diff --git a/src/data/ac_list.json b/src/data/ac_list.json index db7f755..a08dcca 100644 --- a/src/data/ac_list.json +++ b/src/data/ac_list.json @@ -1 +1 @@ -[{"id":11079879,"contest_id":"past201912-open","epoch_second":1584869905,"problem_id":"past201912_b"},{"id":11080153,"contest_id":"past201912-open","epoch_second":1584870520,"problem_id":"past201912_c"},{"id":16805687,"contest_id":"abc178","epoch_second":1600351686,"problem_id":"abc178_a"},{"id":16805811,"contest_id":"abc178","epoch_second":1600352015,"problem_id":"abc178_b"},{"id":19800549,"contest_id":"abc190","epoch_second":1612010250,"problem_id":"abc190_a"},{"id":19802380,"contest_id":"abc190","epoch_second":1612010580,"problem_id":"abc190_b"},{"id":19820846,"contest_id":"APG4b","epoch_second":1612015374,"problem_id":"APG4b_a"},{"id":19844989,"contest_id":"APG4b","epoch_second":1612098929,"problem_id":"APG4b_cv"},{"id":19845118,"contest_id":"APG4b","epoch_second":1612099162,"problem_id":"APG4b_cu"},{"id":19845150,"contest_id":"APG4b","epoch_second":1612099222,"problem_id":"APG4b_ct"},{"id":19845174,"contest_id":"APG4b","epoch_second":1612099269,"problem_id":"APG4b_cs"},{"id":19845220,"contest_id":"APG4b","epoch_second":1612099374,"problem_id":"APG4b_cr"},{"id":19845285,"contest_id":"abc084","epoch_second":1612099507,"problem_id":"abc084_a"},{"id":19845377,"contest_id":"abc076","epoch_second":1612099663,"problem_id":"abc076_a"},{"id":19845421,"contest_id":"abc074","epoch_second":1612099750,"problem_id":"abc074_a"},{"id":19845589,"contest_id":"abc082","epoch_second":1612100110,"problem_id":"abc082_a"},{"id":19845879,"contest_id":"abc081","epoch_second":1612100706,"problem_id":"abc081_a"},{"id":19846080,"contest_id":"APG4b","epoch_second":1612101154,"problem_id":"APG4b_cq"},{"id":19846198,"contest_id":"abc088","epoch_second":1612101465,"problem_id":"abc088_a"},{"id":19846339,"contest_id":"abc088","epoch_second":1612101761,"problem_id":"abc088_a"},{"id":19846390,"contest_id":"abc086","epoch_second":1612101883,"problem_id":"abc086_a"},{"id":19846451,"contest_id":"abc083","epoch_second":1612102033,"problem_id":"abc083_a"},{"id":19846517,"contest_id":"abc080","epoch_second":1612102185,"problem_id":"abc080_a"},{"id":19846652,"contest_id":"abc079","epoch_second":1612102519,"problem_id":"abc079_a"},{"id":19846745,"contest_id":"APG4b","epoch_second":1612102713,"problem_id":"APG4b_cp"},{"id":19846847,"contest_id":"APG4b","epoch_second":1612102960,"problem_id":"APG4b_co"},{"id":19846908,"contest_id":"APG4b","epoch_second":1612103117,"problem_id":"APG4b_cn"},{"id":19846985,"contest_id":"APG4b","epoch_second":1612103300,"problem_id":"APG4b_cm"},{"id":19955570,"contest_id":"abc191","epoch_second":1612612994,"problem_id":"abc191_a"},{"id":19961641,"contest_id":"abc191","epoch_second":1612613203,"problem_id":"abc191_b"},{"id":20295900,"contest_id":"abc192","epoch_second":1613823028,"problem_id":"abc192_a"},{"id":20301704,"contest_id":"abc192","epoch_second":1613823580,"problem_id":"abc192_b"},{"id":20321088,"contest_id":"abc192","epoch_second":1613826087,"problem_id":"abc192_c"},{"id":20522060,"contest_id":"abc193","epoch_second":1614427429,"problem_id":"abc193_a"},{"id":20530482,"contest_id":"abc193","epoch_second":1614428072,"problem_id":"abc193_b"},{"id":20558146,"contest_id":"abs","epoch_second":1614438399,"problem_id":"practice_1"},{"id":20558214,"contest_id":"abs","epoch_second":1614438506,"problem_id":"abc086_a"},{"id":20558343,"contest_id":"abs","epoch_second":1614438730,"problem_id":"abc081_a"},{"id":20558727,"contest_id":"abs","epoch_second":1614439419,"problem_id":"abc081_b"},{"id":20684237,"contest_id":"ahc001","epoch_second":1615020548,"problem_id":"ahc001_a"},{"id":20685001,"contest_id":"ahc001","epoch_second":1615022442,"problem_id":"ahc001_a"},{"id":20693584,"contest_id":"abc194","epoch_second":1615032347,"problem_id":"abc194_a"},{"id":20872782,"contest_id":"abc195","epoch_second":1615636928,"problem_id":"abc195_a"},{"id":20888749,"contest_id":"abc195","epoch_second":1615639431,"problem_id":"abc195_c"},{"id":20891630,"contest_id":"abc195","epoch_second":1615640010,"problem_id":"abc195_b"},{"id":21060134,"contest_id":"abc196","epoch_second":1616241652,"problem_id":"abc196_a"},{"id":21071613,"contest_id":"abc196","epoch_second":1616242031,"problem_id":"abc196_b"},{"id":21076393,"contest_id":"abc196","epoch_second":1616242429,"problem_id":"abc196_c"},{"id":21279466,"contest_id":"utpc2020","epoch_second":1616822903,"problem_id":"utpc2020_a"},{"id":21293252,"contest_id":"abc197","epoch_second":1616846523,"problem_id":"abc197_a"},{"id":21303986,"contest_id":"abc197","epoch_second":1616847819,"problem_id":"abc197_b"},{"id":21312358,"contest_id":"abc197","epoch_second":1616849524,"problem_id":"abc197_d"},{"id":21319750,"contest_id":"abc197","epoch_second":1616851425,"problem_id":"abc197_c"},{"id":21634027,"contest_id":"abc198","epoch_second":1618142437,"problem_id":"abc198_a"},{"id":21640897,"contest_id":"abc198","epoch_second":1618142714,"problem_id":"abc198_b"},{"id":21662300,"contest_id":"abc198","epoch_second":1618144297,"problem_id":"abc198_c"},{"id":21821782,"contest_id":"jsc2021","epoch_second":1618647022,"problem_id":"jsc2021_a"},{"id":21823019,"contest_id":"jsc2021","epoch_second":1618647555,"problem_id":"jsc2021_b"},{"id":21992245,"contest_id":"abc199","epoch_second":1619265667,"problem_id":"abc199_a"},{"id":21999873,"contest_id":"abc199","epoch_second":1619265908,"problem_id":"abc199_b"},{"id":22063393,"contest_id":"ahc002","epoch_second":1619346679,"problem_id":"ahc002_a"},{"id":22063753,"contest_id":"ahc002","epoch_second":1619347225,"problem_id":"ahc002_a"},{"id":22064660,"contest_id":"ahc002","epoch_second":1619348583,"problem_id":"ahc002_a"},{"id":22069122,"contest_id":"ahc002","epoch_second":1619353732,"problem_id":"ahc002_a"},{"id":22073637,"contest_id":"ahc002","epoch_second":1619357950,"problem_id":"ahc002_a"},{"id":22202706,"contest_id":"zone2021","epoch_second":1619871030,"problem_id":"zone2021_a"},{"id":22207104,"contest_id":"zone2021","epoch_second":1619871637,"problem_id":"zone2021_b"},{"id":22407529,"contest_id":"abc200","epoch_second":1620475798,"problem_id":"abc200_a"},{"id":22409308,"contest_id":"abc200","epoch_second":1620475943,"problem_id":"abc200_b"},{"id":22429048,"contest_id":"abc200","epoch_second":1620479416,"problem_id":"abc200_c"},{"id":22605704,"contest_id":"abc201","epoch_second":1621080447,"problem_id":"abc201_a"},{"id":22614384,"contest_id":"abc201","epoch_second":1621081407,"problem_id":"abc201_b"},{"id":22620834,"contest_id":"abc201","epoch_second":1621082695,"problem_id":"abc201_c"},{"id":22779476,"contest_id":"ahc003","epoch_second":1621656011,"problem_id":"ahc003_a"},{"id":22783808,"contest_id":"ahc003","epoch_second":1621667398,"problem_id":"ahc003_a"},{"id":22787318,"contest_id":"ahc003","epoch_second":1621675089,"problem_id":"ahc003_a"},{"id":22788036,"contest_id":"ahc003","epoch_second":1621676932,"problem_id":"ahc003_a"},{"id":22792367,"contest_id":"abc202","epoch_second":1621684857,"problem_id":"abc202_a"},{"id":22801129,"contest_id":"abc202","epoch_second":1621685103,"problem_id":"abc202_b"},{"id":22842801,"contest_id":"ahc003","epoch_second":1621697826,"problem_id":"ahc003_a"},{"id":22906302,"contest_id":"ahc003","epoch_second":1621922261,"problem_id":"ahc003_a"},{"id":22906799,"contest_id":"ahc003","epoch_second":1621924083,"problem_id":"ahc003_a"},{"id":22907260,"contest_id":"ahc003","epoch_second":1621925924,"problem_id":"ahc003_a"},{"id":22907895,"contest_id":"ahc003","epoch_second":1621927967,"problem_id":"ahc003_a"},{"id":22910822,"contest_id":"ahc003","epoch_second":1621937905,"problem_id":"ahc003_a"},{"id":22911478,"contest_id":"ahc003","epoch_second":1621940114,"problem_id":"ahc003_a"},{"id":22925640,"contest_id":"ahc003","epoch_second":1622010353,"problem_id":"ahc003_a"},{"id":23020247,"contest_id":"ahc003","epoch_second":1622340947,"problem_id":"ahc003_a"},{"id":23020788,"contest_id":"ahc003","epoch_second":1622342805,"problem_id":"ahc003_a"},{"id":23021305,"contest_id":"ahc003","epoch_second":1622344628,"problem_id":"ahc003_a"},{"id":23025023,"contest_id":"ahc003","epoch_second":1622355766,"problem_id":"ahc003_a"},{"id":23025933,"contest_id":"ahc003","epoch_second":1622357653,"problem_id":"ahc003_a"},{"id":23034219,"contest_id":"abc203","epoch_second":1622376080,"problem_id":"abc203_a"},{"id":23040604,"contest_id":"abc203","epoch_second":1622376246,"problem_id":"abc203_b"},{"id":23048601,"contest_id":"abc203","epoch_second":1622376674,"problem_id":"abc203_c"},{"id":23171108,"contest_id":"typical90","epoch_second":1622813489,"problem_id":"typical90_a"},{"id":23171462,"contest_id":"typical90","epoch_second":1622814510,"problem_id":"typical90_b"},{"id":23171832,"contest_id":"typical90","epoch_second":1622815459,"problem_id":"typical90_d"},{"id":23172140,"contest_id":"typical90","epoch_second":1622816268,"problem_id":"typical90_j"},{"id":23172477,"contest_id":"typical90","epoch_second":1622817201,"problem_id":"typical90_v"},{"id":23172745,"contest_id":"typical90","epoch_second":1622817936,"problem_id":"typical90_x"},{"id":23172883,"contest_id":"typical90","epoch_second":1622818479,"problem_id":"typical90_aa"},{"id":23172989,"contest_id":"typical90","epoch_second":1622818861,"problem_id":"typical90_ag"},{"id":23173176,"contest_id":"typical90","epoch_second":1622819561,"problem_id":"typical90_bc"},{"id":23210769,"contest_id":"abc204","epoch_second":1622980872,"problem_id":"abc204_a"},{"id":23215639,"contest_id":"abc204","epoch_second":1622981006,"problem_id":"abc204_b"},{"id":23245855,"contest_id":"abc204","epoch_second":1622984896,"problem_id":"abc204_c"},{"id":23396970,"contest_id":"abc205","epoch_second":1623585656,"problem_id":"abc205_a"},{"id":23403526,"contest_id":"abc205","epoch_second":1623585809,"problem_id":"abc205_b"},{"id":23426950,"contest_id":"abc205","epoch_second":1623587319,"problem_id":"abc205_c"},{"id":23447498,"contest_id":"abc205","epoch_second":1623590685,"problem_id":"abc205_d"},{"id":23460207,"contest_id":"abc205","epoch_second":1623601165,"problem_id":"abc205_c"},{"id":23570003,"contest_id":"abc206","epoch_second":1624104101,"problem_id":"abc206_a"},{"id":23576915,"contest_id":"abc206","epoch_second":1624104290,"problem_id":"abc206_b"},{"id":23594275,"contest_id":"abc206","epoch_second":1624105259,"problem_id":"abc206_c"},{"id":23742286,"contest_id":"ahc004","epoch_second":1624682871,"problem_id":"ahc004_a"},{"id":23742672,"contest_id":"ahc004","epoch_second":1624683905,"problem_id":"ahc004_a"},{"id":23742989,"contest_id":"ahc004","epoch_second":1624684557,"problem_id":"ahc004_a"},{"id":23743171,"contest_id":"ahc004","epoch_second":1624685013,"problem_id":"ahc004_a"},{"id":23748860,"contest_id":"ahc004","epoch_second":1624696221,"problem_id":"ahc004_a"},{"id":23749258,"contest_id":"ahc004","epoch_second":1624696983,"problem_id":"ahc004_a"},{"id":23750311,"contest_id":"ahc004","epoch_second":1624698874,"problem_id":"ahc004_a"},{"id":23751453,"contest_id":"ahc004","epoch_second":1624700852,"problem_id":"ahc004_a"},{"id":23752906,"contest_id":"ahc004","epoch_second":1624704607,"problem_id":"ahc004_a"},{"id":23752995,"contest_id":"ahc004","epoch_second":1624704916,"problem_id":"ahc004_a"},{"id":23756680,"contest_id":"abc207","epoch_second":1624708885,"problem_id":"abc207_a"},{"id":23762351,"contest_id":"abc207","epoch_second":1624709175,"problem_id":"abc207_b"},{"id":23776113,"contest_id":"abc207","epoch_second":1624710297,"problem_id":"abc207_c"},{"id":23949227,"contest_id":"abc208","epoch_second":1625400074,"problem_id":"abc208_a"},{"id":23958309,"contest_id":"abc208","epoch_second":1625400401,"problem_id":"abc208_b"},{"id":23964293,"contest_id":"abc208","epoch_second":1625400792,"problem_id":"abc208_c"},{"id":24101976,"contest_id":"abc209","epoch_second":1625918462,"problem_id":"abc209_a"},{"id":24109664,"contest_id":"abc209","epoch_second":1625918628,"problem_id":"abc209_b"},{"id":24119034,"contest_id":"abc209","epoch_second":1625919060,"problem_id":"abc209_c"},{"id":24138951,"contest_id":"abc209","epoch_second":1625923159,"problem_id":"abc209_d"},{"id":24282806,"contest_id":"abc210","epoch_second":1626523457,"problem_id":"abc210_a"},{"id":24287228,"contest_id":"abc210","epoch_second":1626523602,"problem_id":"abc210_b"},{"id":24323800,"contest_id":"abc210","epoch_second":1626528351,"problem_id":"abc210_c"},{"id":24412045,"contest_id":"abc210","epoch_second":1626789473,"problem_id":"abc210_c"},{"id":24412778,"contest_id":"practice2","epoch_second":1626791257,"problem_id":"practice2_a"},{"id":24412863,"contest_id":"practice2","epoch_second":1626791468,"problem_id":"practice2_b"},{"id":24412940,"contest_id":"practice2","epoch_second":1626791645,"problem_id":"practice2_c"},{"id":24478580,"contest_id":"abc211","epoch_second":1627128047,"problem_id":"abc211_a"},{"id":24485829,"contest_id":"abc211","epoch_second":1627128250,"problem_id":"abc211_b"},{"id":24498688,"contest_id":"abc211","epoch_second":1627129322,"problem_id":"abc211_c"},{"id":24644697,"contest_id":"abc212","epoch_second":1627732871,"problem_id":"abc212_a"},{"id":24656788,"contest_id":"abc212","epoch_second":1627733501,"problem_id":"abc212_b"},{"id":24664712,"contest_id":"abc212","epoch_second":1627734181,"problem_id":"abc212_c"},{"id":24691944,"contest_id":"abc212","epoch_second":1627739063,"problem_id":"abc212_d"},{"id":24822693,"contest_id":"ahc005","epoch_second":1628321333,"problem_id":"ahc005_a"},{"id":24822965,"contest_id":"ahc005","epoch_second":1628322086,"problem_id":"ahc005_a"},{"id":24824222,"contest_id":"ahc005","epoch_second":1628324908,"problem_id":"ahc005_a"},{"id":24828534,"contest_id":"ahc005","epoch_second":1628333181,"problem_id":"ahc005_a"},{"id":24897098,"contest_id":"abc213","epoch_second":1628435782,"problem_id":"abc213_a"},{"id":24897279,"contest_id":"abc213","epoch_second":1628436096,"problem_id":"abc213_b"},{"id":24897768,"contest_id":"abc213","epoch_second":1628436960,"problem_id":"abc213_c"},{"id":24898761,"contest_id":"abc213","epoch_second":1628439164,"problem_id":"abc213_d"},{"id":25018032,"contest_id":"abc214","epoch_second":1628942500,"problem_id":"abc214_a"},{"id":25023074,"contest_id":"abc214","epoch_second":1628942646,"problem_id":"abc214_b"},{"id":25038394,"contest_id":"abc214","epoch_second":1628944224,"problem_id":"abc214_c"},{"id":25174137,"contest_id":"abc139","epoch_second":1629466398,"problem_id":"abc139_b"},{"id":25174240,"contest_id":"abc156","epoch_second":1629466657,"problem_id":"abc156_c"},{"id":25174511,"contest_id":"code-festival-2016-qualb","epoch_second":1629467354,"problem_id":"codefestival_2016_qualB_b"},{"id":25174633,"contest_id":"sumitrust2019","epoch_second":1629467649,"problem_id":"sumitb2019_b"},{"id":25174751,"contest_id":"abc121","epoch_second":1629467997,"problem_id":"abc121_b"},{"id":25174834,"contest_id":"panasonic2020","epoch_second":1629468227,"problem_id":"panasonic2020_b"},{"id":25175016,"contest_id":"abc157","epoch_second":1629468699,"problem_id":"abc157_b"},{"id":25175130,"contest_id":"abc086","epoch_second":1629469003,"problem_id":"abc086_b"},{"id":25175322,"contest_id":"abc074","epoch_second":1629469476,"problem_id":"abc074_b"},{"id":25175412,"contest_id":"abc088","epoch_second":1629469670,"problem_id":"abc088_b"},{"id":25175485,"contest_id":"abc068","epoch_second":1629469837,"problem_id":"abc068_b"},{"id":25175644,"contest_id":"abc160","epoch_second":1629470295,"problem_id":"abc160_c"},{"id":25175853,"contest_id":"agc014","epoch_second":1629470875,"problem_id":"agc014_a"},{"id":25175928,"contest_id":"abc161","epoch_second":1629471107,"problem_id":"abc161_c"},{"id":25176023,"contest_id":"abc132","epoch_second":1629471363,"problem_id":"abc132_c"},{"id":25176084,"contest_id":"abc142","epoch_second":1629471555,"problem_id":"abc142_c"},{"id":25176205,"contest_id":"abc138","epoch_second":1629471869,"problem_id":"abc138_c"},{"id":25176379,"contest_id":"abc122","epoch_second":1629472443,"problem_id":"abc122_b"},{"id":25176500,"contest_id":"abc094","epoch_second":1629472858,"problem_id":"abc094_b"},{"id":25176712,"contest_id":"abc116","epoch_second":1629473662,"problem_id":"abc116_b"},{"id":25193250,"contest_id":"abc215","epoch_second":1629547279,"problem_id":"abc215_a"},{"id":25211303,"contest_id":"abc215","epoch_second":1629548029,"problem_id":"abc215_c"},{"id":25213259,"contest_id":"abc215","epoch_second":1629548197,"problem_id":"abc215_b"},{"id":25224221,"contest_id":"abc215","epoch_second":1629549588,"problem_id":"abc215_d"},{"id":25282296,"contest_id":"abc149","epoch_second":1629643853,"problem_id":"abc149_c"},{"id":25282430,"contest_id":"agc027","epoch_second":1629644236,"problem_id":"agc027_a"},{"id":25282575,"contest_id":"abc092","epoch_second":1629644627,"problem_id":"abc092_b"},{"id":25282701,"contest_id":"hitachi2020","epoch_second":1629644949,"problem_id":"hitachi2020_b"},{"id":25282759,"contest_id":"abc150","epoch_second":1629645153,"problem_id":"abc150_c"},{"id":25283300,"contest_id":"abc153","epoch_second":1629647016,"problem_id":"abc153_d"},{"id":25283394,"contest_id":"abc158","epoch_second":1629647455,"problem_id":"abc158_b"},{"id":25283438,"contest_id":"abc114","epoch_second":1629647637,"problem_id":"abc114_b"},{"id":25283642,"contest_id":"abc108","epoch_second":1629648768,"problem_id":"abc108_b"},{"id":25284069,"contest_id":"abc081","epoch_second":1629651348,"problem_id":"abc081_b"},{"id":25317993,"contest_id":"abc063","epoch_second":1629814292,"problem_id":"abc063_b"},{"id":25318056,"contest_id":"abc052","epoch_second":1629814457,"problem_id":"abc052_b"},{"id":25318133,"contest_id":"abc084","epoch_second":1629814636,"problem_id":"abc084_b"},{"id":25318194,"contest_id":"abc087","epoch_second":1629814801,"problem_id":"abc087_b"},{"id":25318295,"contest_id":"abc071","epoch_second":1629815050,"problem_id":"abc071_b"},{"id":25318395,"contest_id":"abc127","epoch_second":1629815336,"problem_id":"abc127_c"},{"id":25318459,"contest_id":"abc141","epoch_second":1629815548,"problem_id":"abc141_c"},{"id":25318590,"contest_id":"abc123","epoch_second":1629815982,"problem_id":"abc123_b"},{"id":25318631,"contest_id":"abc134","epoch_second":1629816198,"problem_id":"abc134_c"},{"id":25318743,"contest_id":"agc002","epoch_second":1629816544,"problem_id":"agc002_a"},{"id":25328874,"contest_id":"abc152","epoch_second":1629881173,"problem_id":"abc152_c"},{"id":25328931,"contest_id":"abc118","epoch_second":1629881369,"problem_id":"abc118_b"},{"id":25328961,"contest_id":"abc044","epoch_second":1629881500,"problem_id":"abc044_b"},{"id":25329148,"contest_id":"abc124","epoch_second":1629882280,"problem_id":"abc124_c"},{"id":25329203,"contest_id":"abc090","epoch_second":1629882499,"problem_id":"abc090_b"},{"id":25329302,"contest_id":"agc024","epoch_second":1629882840,"problem_id":"agc024_a"},{"id":25329383,"contest_id":"abc079","epoch_second":1629883162,"problem_id":"abc079_b"},{"id":25329523,"contest_id":"abc139","epoch_second":1629883676,"problem_id":"abc139_c"},{"id":25329559,"contest_id":"abc062","epoch_second":1629883843,"problem_id":"abc062_b"},{"id":25329610,"contest_id":"abc059","epoch_second":1629884047,"problem_id":"abc059_b"},{"id":25329685,"contest_id":"abc083","epoch_second":1629884408,"problem_id":"abc083_b"},{"id":25329704,"contest_id":"abc083","epoch_second":1629884486,"problem_id":"abc083_a"},{"id":25329790,"contest_id":"abc140","epoch_second":1629884832,"problem_id":"abc140_c"},{"id":25329817,"contest_id":"abc061","epoch_second":1629884955,"problem_id":"abc061_b"},{"id":25329912,"contest_id":"abc109","epoch_second":1629885329,"problem_id":"abc109_b"},{"id":25330031,"contest_id":"abc133","epoch_second":1629885805,"problem_id":"abc133_b"},{"id":25330298,"contest_id":"abc093","epoch_second":1629886938,"problem_id":"abc093_b"},{"id":25330366,"contest_id":"abc158","epoch_second":1629887266,"problem_id":"abc158_c"},{"id":25330454,"contest_id":"abc113","epoch_second":1629887639,"problem_id":"abc113_b"},{"id":25330602,"contest_id":"abc104","epoch_second":1629888351,"problem_id":"abc104_b"},{"id":25330645,"contest_id":"abc050","epoch_second":1629888571,"problem_id":"abc050_b"},{"id":25346857,"contest_id":"abc103","epoch_second":1629971215,"problem_id":"abc103_b"},{"id":25346882,"contest_id":"abc049","epoch_second":1629971341,"problem_id":"abc049_b"},{"id":25346948,"contest_id":"abc148","epoch_second":1629971592,"problem_id":"abc148_d"},{"id":25346995,"contest_id":"abc058","epoch_second":1629971751,"problem_id":"abc058_b"},{"id":25347052,"contest_id":"abc053","epoch_second":1629971942,"problem_id":"abc053_b"},{"id":25347235,"contest_id":"agc003","epoch_second":1629972602,"problem_id":"agc003_a"},{"id":25347329,"contest_id":"abc155","epoch_second":1629973047,"problem_id":"abc155_c"},{"id":25347428,"contest_id":"abc128","epoch_second":1629973522,"problem_id":"abc128_b"},{"id":25347781,"contest_id":"agc037","epoch_second":1629975060,"problem_id":"agc037_a"},{"id":25347891,"contest_id":"sumitrust2019","epoch_second":1629975575,"problem_id":"sumitb2019_c"},{"id":25349940,"contest_id":"abc042","epoch_second":1629982588,"problem_id":"abc042_b"},{"id":25350021,"contest_id":"abc097","epoch_second":1629982859,"problem_id":"abc097_b"},{"id":25350908,"contest_id":"agc021","epoch_second":1629985676,"problem_id":"agc021_a"},{"id":25351159,"contest_id":"abc095","epoch_second":1629986404,"problem_id":"arc096_a"},{"id":25351231,"contest_id":"abc115","epoch_second":1629986627,"problem_id":"abc115_c"},{"id":25360969,"contest_id":"abc151","epoch_second":1630049151,"problem_id":"abc151_c"},{"id":25361034,"contest_id":"agc012","epoch_second":1630049449,"problem_id":"agc012_a"},{"id":25361297,"contest_id":"abc136","epoch_second":1630050342,"problem_id":"abc136_c"},{"id":25361396,"contest_id":"agc041","epoch_second":1630050696,"problem_id":"agc041_a"},{"id":25361547,"contest_id":"abc144","epoch_second":1630051304,"problem_id":"abc144_c"},{"id":25361665,"contest_id":"abc100","epoch_second":1630051743,"problem_id":"abc100_c"},{"id":25361797,"contest_id":"agc019","epoch_second":1630052157,"problem_id":"agc019_a"},{"id":25361892,"contest_id":"abc087","epoch_second":1630052520,"problem_id":"arc090_a"},{"id":25362041,"contest_id":"abc135","epoch_second":1630053033,"problem_id":"abc135_c"},{"id":25362103,"contest_id":"abc100","epoch_second":1630053272,"problem_id":"abc100_b"},{"id":25362164,"contest_id":"abc106","epoch_second":1630053522,"problem_id":"abc106_c"},{"id":25362228,"contest_id":"abc103","epoch_second":1630053750,"problem_id":"abc103_c"},{"id":25362337,"contest_id":"abc091","epoch_second":1630054166,"problem_id":"abc091_b"},{"id":25362377,"contest_id":"arc088","epoch_second":1630054329,"problem_id":"arc088_a"},{"id":25362406,"contest_id":"abc055","epoch_second":1630054463,"problem_id":"abc055_b"},{"id":25362567,"contest_id":"abc145","epoch_second":1630055112,"problem_id":"abc145_c"},{"id":25362858,"contest_id":"abc120","epoch_second":1630056457,"problem_id":"abc120_c"},{"id":25363080,"contest_id":"ddcc2020-qual","epoch_second":1630057364,"problem_id":"ddcc2020_qual_b"},{"id":25363193,"contest_id":"abc079","epoch_second":1630057811,"problem_id":"abc079_c"},{"id":25363468,"contest_id":"abc093","epoch_second":1630059314,"problem_id":"arc094_a"},{"id":25366427,"contest_id":"code-festival-2017-qualc","epoch_second":1630072131,"problem_id":"code_festival_2017_qualc_b"},{"id":25366542,"contest_id":"abc121","epoch_second":1630072513,"problem_id":"abc121_c"},{"id":25366858,"contest_id":"agc004","epoch_second":1630073635,"problem_id":"agc004_a"},{"id":25366889,"contest_id":"abc046","epoch_second":1630073759,"problem_id":"abc046_b"},{"id":25366955,"contest_id":"code-festival-2016-quala","epoch_second":1630073987,"problem_id":"codefestival_2016_qualA_b"},{"id":25367146,"contest_id":"abc065","epoch_second":1630074674,"problem_id":"abc065_b"},{"id":25367324,"contest_id":"agc029","epoch_second":1630075362,"problem_id":"agc029_a"},{"id":25377735,"contest_id":"rcl-contest-2021","epoch_second":1630134268,"problem_id":"rcl_contest_2021_a"},{"id":25377892,"contest_id":"rcl-contest-2021","epoch_second":1630134573,"problem_id":"rcl_contest_2021_a"},{"id":25378107,"contest_id":"rcl-contest-2021","epoch_second":1630134919,"problem_id":"rcl_contest_2021_b"},{"id":25378265,"contest_id":"rcl-contest-2021","epoch_second":1630135222,"problem_id":"rcl_contest_2021_b"},{"id":25378561,"contest_id":"rcl-contest-2021","epoch_second":1630135769,"problem_id":"rcl_contest_2021_a"},{"id":25556549,"contest_id":"abc217","epoch_second":1630756869,"problem_id":"abc217_a"},{"id":25561882,"contest_id":"abc217","epoch_second":1630757023,"problem_id":"abc217_b"},{"id":25565021,"contest_id":"abc217","epoch_second":1630757129,"problem_id":"abc217_c"},{"id":25596505,"contest_id":"abc217","epoch_second":1630760737,"problem_id":"abc217_d"},{"id":25609699,"contest_id":"abc217","epoch_second":1630763288,"problem_id":"abc217_e"},{"id":25627387,"contest_id":"dp","epoch_second":1630822872,"problem_id":"dp_a"},{"id":25627489,"contest_id":"dp","epoch_second":1630823114,"problem_id":"dp_b"},{"id":25627799,"contest_id":"dp","epoch_second":1630823921,"problem_id":"dp_c"},{"id":25628461,"contest_id":"dp","epoch_second":1630825366,"problem_id":"dp_d"},{"id":25628851,"contest_id":"dp","epoch_second":1630826418,"problem_id":"dp_e"},{"id":25645378,"contest_id":"rcl-contest-2021-long","epoch_second":1630901256,"problem_id":"rcl_contest_2021_long_a"},{"id":25647395,"contest_id":"rcl-contest-2021-long","epoch_second":1630910959,"problem_id":"rcl_contest_2021_long_a"},{"id":25661567,"contest_id":"rcl-contest-2021-long","epoch_second":1630978607,"problem_id":"rcl_contest_2021_long_a"},{"id":25661981,"contest_id":"rcl-contest-2021-long","epoch_second":1630981093,"problem_id":"rcl_contest_2021_long_a"},{"id":25662386,"contest_id":"rcl-contest-2021-long","epoch_second":1630982957,"problem_id":"rcl_contest_2021_long_a"},{"id":25662859,"contest_id":"rcl-contest-2021-long","epoch_second":1630984799,"problem_id":"rcl_contest_2021_long_a"},{"id":25667468,"contest_id":"rcl-contest-2021-long","epoch_second":1631003090,"problem_id":"rcl_contest_2021_long_a"},{"id":25668126,"contest_id":"rcl-contest-2021-long","epoch_second":1631005567,"problem_id":"rcl_contest_2021_long_a"},{"id":25668892,"contest_id":"rcl-contest-2021-long","epoch_second":1631008654,"problem_id":"rcl_contest_2021_long_a"},{"id":25670517,"contest_id":"rcl-contest-2021-long","epoch_second":1631014656,"problem_id":"rcl_contest_2021_long_a"},{"id":25672579,"contest_id":"rcl-contest-2021-long","epoch_second":1631019787,"problem_id":"rcl_contest_2021_long_a"},{"id":25674352,"contest_id":"rcl-contest-2021-long","epoch_second":1631023691,"problem_id":"rcl_contest_2021_long_a"},{"id":25676808,"contest_id":"rcl-contest-2021-long","epoch_second":1631031356,"problem_id":"rcl_contest_2021_long_a"},{"id":25681792,"contest_id":"rcl-contest-2021-long","epoch_second":1631071285,"problem_id":"rcl_contest_2021_long_a"},{"id":25682066,"contest_id":"rcl-contest-2021-long","epoch_second":1631073097,"problem_id":"rcl_contest_2021_long_a"},{"id":25692018,"contest_id":"rcl-contest-2021-long","epoch_second":1631107580,"problem_id":"rcl_contest_2021_long_a"},{"id":25699601,"contest_id":"rcl-contest-2021-long","epoch_second":1631159507,"problem_id":"rcl_contest_2021_long_a"},{"id":25704615,"contest_id":"rcl-contest-2021-long","epoch_second":1631180465,"problem_id":"rcl_contest_2021_long_a"},{"id":25743585,"contest_id":"abc218","epoch_second":1631361680,"problem_id":"abc218_a"},{"id":25748113,"contest_id":"abc218","epoch_second":1631361778,"problem_id":"abc218_b"},{"id":25779244,"contest_id":"abc218","epoch_second":1631366528,"problem_id":"abc218_e"},{"id":25972160,"contest_id":"abc219","epoch_second":1632019308,"problem_id":"abc219_a"},{"id":25972194,"contest_id":"abc219","epoch_second":1632019401,"problem_id":"abc219_b"},{"id":25972227,"contest_id":"abc219","epoch_second":1632019490,"problem_id":"abc219_a"},{"id":25972260,"contest_id":"abc219","epoch_second":1632019579,"problem_id":"abc219_b"},{"id":25972361,"contest_id":"abc219","epoch_second":1632019915,"problem_id":"abc219_c"},{"id":25992003,"contest_id":"atc001","epoch_second":1632060958,"problem_id":"dfs_a"},{"id":25992170,"contest_id":"atc001","epoch_second":1632061064,"problem_id":"unionfind_a"},{"id":25992974,"contest_id":"atc001","epoch_second":1632061588,"problem_id":"fft_c"},{"id":25996088,"contest_id":"atc002","epoch_second":1632063537,"problem_id":"abc007_3"},{"id":25996583,"contest_id":"atc002","epoch_second":1632063794,"problem_id":"atc002_b"},{"id":26003705,"contest_id":"practice2","epoch_second":1632104230,"problem_id":"practice2_f"},{"id":26003816,"contest_id":"APG4b","epoch_second":1632104697,"problem_id":"APG4b_cl"},{"id":26003874,"contest_id":"APG4b","epoch_second":1632104893,"problem_id":"APG4b_ck"},{"id":26003936,"contest_id":"APG4b","epoch_second":1632105092,"problem_id":"APG4b_cj"},{"id":26003954,"contest_id":"APG4b","epoch_second":1632105151,"problem_id":"APG4b_ci"},{"id":26004002,"contest_id":"APG4b","epoch_second":1632105298,"problem_id":"APG4b_ch"},{"id":26004059,"contest_id":"APG4b","epoch_second":1632105516,"problem_id":"APG4b_cg"},{"id":26004091,"contest_id":"APG4b","epoch_second":1632105646,"problem_id":"APG4b_cf"},{"id":26004205,"contest_id":"APG4b","epoch_second":1632106126,"problem_id":"APG4b_ce"},{"id":26004314,"contest_id":"APG4b","epoch_second":1632106465,"problem_id":"APG4b_cd"},{"id":26004401,"contest_id":"APG4b","epoch_second":1632106785,"problem_id":"APG4b_cc"},{"id":26004419,"contest_id":"APG4b","epoch_second":1632106860,"problem_id":"APG4b_cb"},{"id":26004437,"contest_id":"APG4b","epoch_second":1632106959,"problem_id":"APG4b_ca"},{"id":26004600,"contest_id":"APG4b","epoch_second":1632107677,"problem_id":"APG4b_bz"},{"id":26004710,"contest_id":"APG4b","epoch_second":1632108153,"problem_id":"APG4b_by"},{"id":26006266,"contest_id":"APG4b","epoch_second":1632115296,"problem_id":"APG4b_bx"},{"id":26007217,"contest_id":"APG4b","epoch_second":1632118667,"problem_id":"APG4b_bw"},{"id":26007612,"contest_id":"abs","epoch_second":1632119755,"problem_id":"abc087_b"},{"id":26007734,"contest_id":"abs","epoch_second":1632120099,"problem_id":"abc083_b"},{"id":26007805,"contest_id":"abs","epoch_second":1632120290,"problem_id":"abc088_b"},{"id":26007864,"contest_id":"abs","epoch_second":1632120455,"problem_id":"abc085_b"},{"id":26007939,"contest_id":"abs","epoch_second":1632120699,"problem_id":"abc085_c"},{"id":26008341,"contest_id":"abs","epoch_second":1632121883,"problem_id":"arc065_a"},{"id":26008504,"contest_id":"abs","epoch_second":1632122343,"problem_id":"arc089_a"},{"id":26021634,"contest_id":"dp","epoch_second":1632187561,"problem_id":"dp_f"},{"id":26021862,"contest_id":"dp","epoch_second":1632189166,"problem_id":"dp_g"},{"id":26022169,"contest_id":"dp","epoch_second":1632191317,"problem_id":"dp_h"},{"id":26022466,"contest_id":"dp","epoch_second":1632192831,"problem_id":"dp_i"},{"id":26121689,"contest_id":"abc220","epoch_second":1632657718,"problem_id":"abc220_a"},{"id":26130196,"contest_id":"abc220","epoch_second":1632658127,"problem_id":"abc220_b"},{"id":26151099,"contest_id":"abc220","epoch_second":1632660131,"problem_id":"abc220_d"},{"id":26151588,"contest_id":"abc220","epoch_second":1632660207,"problem_id":"abc220_c"},{"id":26233687,"contest_id":"abc001","epoch_second":1632968632,"problem_id":"abc001_1"},{"id":26233691,"contest_id":"abc002","epoch_second":1632968669,"problem_id":"abc002_1"},{"id":26233716,"contest_id":"abc003","epoch_second":1632968802,"problem_id":"abc003_1"},{"id":26233721,"contest_id":"abc004","epoch_second":1632968825,"problem_id":"abc004_1"},{"id":26233727,"contest_id":"abc005","epoch_second":1632968857,"problem_id":"abc005_1"},{"id":26233732,"contest_id":"abc006","epoch_second":1632968886,"problem_id":"abc006_1"},{"id":26233734,"contest_id":"abc007","epoch_second":1632968906,"problem_id":"abc007_1"},{"id":26233747,"contest_id":"abc008","epoch_second":1632968966,"problem_id":"abc008_1"},{"id":26233754,"contest_id":"abc009","epoch_second":1632969000,"problem_id":"abc009_1"},{"id":26233760,"contest_id":"abc010","epoch_second":1632969030,"problem_id":"abc010_1"},{"id":26233786,"contest_id":"abc011","epoch_second":1632969188,"problem_id":"abc011_1"},{"id":26233797,"contest_id":"abc012","epoch_second":1632969243,"problem_id":"abc012_1"},{"id":26233803,"contest_id":"abc013","epoch_second":1632969276,"problem_id":"abc013_1"},{"id":26233810,"contest_id":"abc014","epoch_second":1632969363,"problem_id":"abc014_1"},{"id":26233826,"contest_id":"abc015","epoch_second":1632969453,"problem_id":"abc015_1"},{"id":26233831,"contest_id":"abc016","epoch_second":1632969488,"problem_id":"abc016_1"},{"id":26233853,"contest_id":"abc017","epoch_second":1632969594,"problem_id":"abc017_1"},{"id":26233899,"contest_id":"abc018","epoch_second":1632969864,"problem_id":"abc018_1"},{"id":26233921,"contest_id":"abc019","epoch_second":1632970021,"problem_id":"abc019_1"},{"id":26233926,"contest_id":"abc020","epoch_second":1632970065,"problem_id":"abc020_a"},{"id":26233947,"contest_id":"abc021","epoch_second":1632970250,"problem_id":"abc021_a"},{"id":26234049,"contest_id":"abc022","epoch_second":1632970789,"problem_id":"abc022_a"},{"id":26234065,"contest_id":"abc023","epoch_second":1632970874,"problem_id":"abc023_a"},{"id":26234102,"contest_id":"abc024","epoch_second":1632971102,"problem_id":"abc024_a"},{"id":26234190,"contest_id":"abc025","epoch_second":1632971507,"problem_id":"abc025_a"},{"id":26234198,"contest_id":"abc026","epoch_second":1632971551,"problem_id":"abc026_a"},{"id":26234298,"contest_id":"abc027","epoch_second":1632972068,"problem_id":"abc027_a"},{"id":26234307,"contest_id":"abc028","epoch_second":1632972147,"problem_id":"abc028_a"},{"id":26234321,"contest_id":"abc029","epoch_second":1632972203,"problem_id":"abc029_a"},{"id":26234333,"contest_id":"abc030","epoch_second":1632972299,"problem_id":"abc030_a"},{"id":26235765,"contest_id":"abc031","epoch_second":1632979607,"problem_id":"abc031_a"},{"id":26235799,"contest_id":"abc032","epoch_second":1632979818,"problem_id":"abc032_a"},{"id":26235831,"contest_id":"abc033","epoch_second":1632980000,"problem_id":"abc033_a"},{"id":26235840,"contest_id":"abc034","epoch_second":1632980064,"problem_id":"abc034_a"},{"id":26235847,"contest_id":"abc035","epoch_second":1632980110,"problem_id":"abc035_a"},{"id":26235861,"contest_id":"abc036","epoch_second":1632980214,"problem_id":"abc036_a"},{"id":26235905,"contest_id":"abc037","epoch_second":1632980486,"problem_id":"abc037_a"},{"id":26235915,"contest_id":"abc038","epoch_second":1632980551,"problem_id":"abc038_a"},{"id":26235926,"contest_id":"abc039","epoch_second":1632980599,"problem_id":"abc039_a"},{"id":26235948,"contest_id":"abc040","epoch_second":1632980662,"problem_id":"abc040_a"},{"id":26252560,"contest_id":"abc041","epoch_second":1633079175,"problem_id":"abc041_a"},{"id":26252592,"contest_id":"abc042","epoch_second":1633079327,"problem_id":"abc042_a"},{"id":26252599,"contest_id":"abc043","epoch_second":1633079375,"problem_id":"abc043_a"},{"id":26252622,"contest_id":"abc044","epoch_second":1633079478,"problem_id":"abc044_a"},{"id":26252640,"contest_id":"abc045","epoch_second":1633079552,"problem_id":"abc045_a"},{"id":26252664,"contest_id":"abc046","epoch_second":1633079662,"problem_id":"abc046_a"},{"id":26252688,"contest_id":"abc047","epoch_second":1633079753,"problem_id":"abc047_a"},{"id":26252715,"contest_id":"abc048","epoch_second":1633079898,"problem_id":"abc048_a"},{"id":26252756,"contest_id":"abc049","epoch_second":1633080090,"problem_id":"abc049_a"},{"id":26252801,"contest_id":"abc050","epoch_second":1633080267,"problem_id":"abc050_a"},{"id":26252815,"contest_id":"abc051","epoch_second":1633080358,"problem_id":"abc051_a"},{"id":26252831,"contest_id":"abc052","epoch_second":1633080418,"problem_id":"abc052_a"},{"id":26252848,"contest_id":"abc053","epoch_second":1633080504,"problem_id":"abc053_a"},{"id":26252887,"contest_id":"abc054","epoch_second":1633080650,"problem_id":"abc054_a"},{"id":26252897,"contest_id":"abc055","epoch_second":1633080705,"problem_id":"abc055_a"},{"id":26252923,"contest_id":"abc056","epoch_second":1633080824,"problem_id":"abc056_a"},{"id":26252955,"contest_id":"abc057","epoch_second":1633080944,"problem_id":"abc057_a"},{"id":26252975,"contest_id":"abc058","epoch_second":1633081043,"problem_id":"abc058_a"},{"id":26253007,"contest_id":"abc059","epoch_second":1633081239,"problem_id":"abc059_a"},{"id":26253028,"contest_id":"abc060","epoch_second":1633081335,"problem_id":"abc060_a"},{"id":26253071,"contest_id":"abc061","epoch_second":1633081481,"problem_id":"abc061_a"},{"id":26253106,"contest_id":"abc062","epoch_second":1633081686,"problem_id":"abc062_a"},{"id":26253133,"contest_id":"abc063","epoch_second":1633081829,"problem_id":"abc063_a"},{"id":26253161,"contest_id":"abc064","epoch_second":1633081943,"problem_id":"abc064_a"},{"id":26253203,"contest_id":"abc065","epoch_second":1633082149,"problem_id":"abc065_a"},{"id":26253213,"contest_id":"abc066","epoch_second":1633082198,"problem_id":"abc066_a"},{"id":26253239,"contest_id":"abc067","epoch_second":1633082301,"problem_id":"abc067_a"},{"id":26253258,"contest_id":"abc068","epoch_second":1633082415,"problem_id":"abc068_a"},{"id":26253275,"contest_id":"abc069","epoch_second":1633082496,"problem_id":"abc069_a"},{"id":26253301,"contest_id":"abc070","epoch_second":1633082631,"problem_id":"abc070_a"},{"id":26253454,"contest_id":"abc071","epoch_second":1633083522,"problem_id":"abc071_a"},{"id":26253482,"contest_id":"abc072","epoch_second":1633083640,"problem_id":"abc072_a"},{"id":26253494,"contest_id":"abc073","epoch_second":1633083696,"problem_id":"abc073_a"},{"id":26253518,"contest_id":"abc075","epoch_second":1633083800,"problem_id":"abc075_a"},{"id":26253543,"contest_id":"abc077","epoch_second":1633083891,"problem_id":"abc077_a"},{"id":26253578,"contest_id":"abc078","epoch_second":1633084038,"problem_id":"abc078_a"},{"id":26253594,"contest_id":"abc085","epoch_second":1633084121,"problem_id":"abc085_a"},{"id":26253622,"contest_id":"abc087","epoch_second":1633084225,"problem_id":"abc087_a"},{"id":26253678,"contest_id":"abc089","epoch_second":1633084495,"problem_id":"abc089_a"},{"id":26253687,"contest_id":"abc090","epoch_second":1633084577,"problem_id":"abc090_a"},{"id":26253743,"contest_id":"abc091","epoch_second":1633084927,"problem_id":"abc091_a"},{"id":26253761,"contest_id":"abc092","epoch_second":1633085037,"problem_id":"abc092_a"},{"id":26255234,"contest_id":"abc093","epoch_second":1633090928,"problem_id":"abc093_a"},{"id":26255256,"contest_id":"abc094","epoch_second":1633091020,"problem_id":"abc094_a"},{"id":26255285,"contest_id":"abc095","epoch_second":1633091108,"problem_id":"abc095_a"},{"id":26255378,"contest_id":"abc096","epoch_second":1633091384,"problem_id":"abc096_a"},{"id":26255425,"contest_id":"abc097","epoch_second":1633091515,"problem_id":"abc097_a"},{"id":26255447,"contest_id":"abc098","epoch_second":1633091567,"problem_id":"abc098_a"},{"id":26255505,"contest_id":"abc099","epoch_second":1633091697,"problem_id":"abc099_a"},{"id":26255538,"contest_id":"abc100","epoch_second":1633091824,"problem_id":"abc100_a"},{"id":26255936,"contest_id":"abc101","epoch_second":1633092927,"problem_id":"abc101_a"},{"id":26256004,"contest_id":"abc102","epoch_second":1633093129,"problem_id":"abc102_a"},{"id":26256081,"contest_id":"abc103","epoch_second":1633093365,"problem_id":"abc103_a"},{"id":26256100,"contest_id":"abc104","epoch_second":1633093448,"problem_id":"abc104_a"},{"id":26256123,"contest_id":"abc105","epoch_second":1633093551,"problem_id":"abc105_a"},{"id":26256143,"contest_id":"abc106","epoch_second":1633093618,"problem_id":"abc106_a"},{"id":26256189,"contest_id":"abc107","epoch_second":1633093790,"problem_id":"abc107_a"},{"id":26256228,"contest_id":"abc108","epoch_second":1633093944,"problem_id":"abc108_a"},{"id":26256273,"contest_id":"abc109","epoch_second":1633094101,"problem_id":"abc109_a"},{"id":26256338,"contest_id":"abc110","epoch_second":1633094332,"problem_id":"abc110_a"},{"id":26256459,"contest_id":"abc111","epoch_second":1633094769,"problem_id":"abc111_a"},{"id":26256484,"contest_id":"abc112","epoch_second":1633094860,"problem_id":"abc112_a"},{"id":26256520,"contest_id":"abc113","epoch_second":1633094967,"problem_id":"abc113_a"},{"id":26256572,"contest_id":"abc114","epoch_second":1633095124,"problem_id":"abc114_a"},{"id":26256658,"contest_id":"abc115","epoch_second":1633095473,"problem_id":"abc115_a"},{"id":26256679,"contest_id":"abc115","epoch_second":1633095545,"problem_id":"abc115_a"},{"id":26256705,"contest_id":"abc116","epoch_second":1633095634,"problem_id":"abc116_a"},{"id":26256735,"contest_id":"abc117","epoch_second":1633095738,"problem_id":"abc117_a"},{"id":26256758,"contest_id":"abc118","epoch_second":1633095813,"problem_id":"abc118_a"},{"id":26256806,"contest_id":"abc119","epoch_second":1633095954,"problem_id":"abc119_a"},{"id":26256842,"contest_id":"abc120","epoch_second":1633096068,"problem_id":"abc120_a"},{"id":26256904,"contest_id":"abc121","epoch_second":1633096245,"problem_id":"abc121_a"},{"id":26256952,"contest_id":"abc121","epoch_second":1633096371,"problem_id":"abc121_a"},{"id":26256995,"contest_id":"abc122","epoch_second":1633096519,"problem_id":"abc122_a"},{"id":26257060,"contest_id":"abc123","epoch_second":1633096763,"problem_id":"abc123_a"},{"id":26257110,"contest_id":"abc124","epoch_second":1633096956,"problem_id":"abc124_a"},{"id":26257156,"contest_id":"abc125","epoch_second":1633097151,"problem_id":"abc125_a"},{"id":26257173,"contest_id":"abc126","epoch_second":1633097279,"problem_id":"abc126_a"},{"id":26257202,"contest_id":"abc127","epoch_second":1633097436,"problem_id":"abc127_a"},{"id":26257248,"contest_id":"abc128","epoch_second":1633097614,"problem_id":"abc128_a"},{"id":26257258,"contest_id":"abc129","epoch_second":1633097683,"problem_id":"abc129_a"},{"id":26257283,"contest_id":"abc130","epoch_second":1633097765,"problem_id":"abc130_a"},{"id":26257348,"contest_id":"abc131","epoch_second":1633098030,"problem_id":"abc131_a"},{"id":26257414,"contest_id":"abc132","epoch_second":1633098265,"problem_id":"abc132_a"},{"id":26257457,"contest_id":"abc133","epoch_second":1633098431,"problem_id":"abc133_a"},{"id":26257474,"contest_id":"abc134","epoch_second":1633098500,"problem_id":"abc134_a"},{"id":26257784,"contest_id":"abc135","epoch_second":1633099625,"problem_id":"abc135_a"},{"id":26257832,"contest_id":"abc136","epoch_second":1633099809,"problem_id":"abc136_a"},{"id":26257864,"contest_id":"abc137","epoch_second":1633099899,"problem_id":"abc137_a"},{"id":26257921,"contest_id":"abc138","epoch_second":1633100077,"problem_id":"abc138_a"},{"id":26257955,"contest_id":"abc139","epoch_second":1633100183,"problem_id":"abc139_a"},{"id":26257970,"contest_id":"abc140","epoch_second":1633100239,"problem_id":"abc140_a"},{"id":26261128,"contest_id":"abc141","epoch_second":1633131648,"problem_id":"abc141_a"},{"id":26261167,"contest_id":"abc142","epoch_second":1633132107,"problem_id":"abc142_a"},{"id":26261177,"contest_id":"abc143","epoch_second":1633132229,"problem_id":"abc143_a"},{"id":26261183,"contest_id":"abc144","epoch_second":1633132315,"problem_id":"abc144_a"},{"id":26261185,"contest_id":"abc145","epoch_second":1633132370,"problem_id":"abc145_a"},{"id":26261190,"contest_id":"abc146","epoch_second":1633132519,"problem_id":"abc146_a"},{"id":26261202,"contest_id":"abc147","epoch_second":1633132606,"problem_id":"abc147_a"},{"id":26261223,"contest_id":"abc148","epoch_second":1633132986,"problem_id":"abc148_a"},{"id":26261326,"contest_id":"abc148","epoch_second":1633134053,"problem_id":"abc148_a"},{"id":26261343,"contest_id":"abc149","epoch_second":1633134235,"problem_id":"abc149_a"},{"id":26261357,"contest_id":"abc150","epoch_second":1633134326,"problem_id":"abc150_a"},{"id":26261367,"contest_id":"abc151","epoch_second":1633134401,"problem_id":"abc151_a"},{"id":26261379,"contest_id":"abc151","epoch_second":1633134504,"problem_id":"abc151_a"},{"id":26261391,"contest_id":"abc152","epoch_second":1633134575,"problem_id":"abc152_a"},{"id":26261411,"contest_id":"abc153","epoch_second":1633134685,"problem_id":"abc153_a"},{"id":26261432,"contest_id":"abc154","epoch_second":1633134825,"problem_id":"abc154_a"},{"id":26261463,"contest_id":"abc155","epoch_second":1633135043,"problem_id":"abc155_a"},{"id":26261484,"contest_id":"abc156","epoch_second":1633135298,"problem_id":"abc156_a"},{"id":26261497,"contest_id":"abc157","epoch_second":1633135377,"problem_id":"abc157_a"},{"id":26261521,"contest_id":"abc158","epoch_second":1633135594,"problem_id":"abc158_a"},{"id":26261577,"contest_id":"abc159","epoch_second":1633135933,"problem_id":"abc159_a"},{"id":26261592,"contest_id":"abc160","epoch_second":1633136011,"problem_id":"abc160_a"},{"id":26261606,"contest_id":"abc161","epoch_second":1633136161,"problem_id":"abc161_a"},{"id":26261628,"contest_id":"abc162","epoch_second":1633136312,"problem_id":"abc162_a"},{"id":26261685,"contest_id":"abc163","epoch_second":1633136586,"problem_id":"abc163_a"},{"id":26261721,"contest_id":"abc164","epoch_second":1633136762,"problem_id":"abc164_a"},{"id":26261756,"contest_id":"abc165","epoch_second":1633136954,"problem_id":"abc165_a"},{"id":26261812,"contest_id":"abc166","epoch_second":1633137199,"problem_id":"abc166_a"},{"id":26261865,"contest_id":"abc167","epoch_second":1633137585,"problem_id":"abc167_a"},{"id":26261889,"contest_id":"abc168","epoch_second":1633137725,"problem_id":"abc168_a"},{"id":26261900,"contest_id":"abc169","epoch_second":1633137805,"problem_id":"abc169_a"},{"id":26261963,"contest_id":"abc170","epoch_second":1633138170,"problem_id":"abc170_a"},{"id":26264237,"contest_id":"abc171","epoch_second":1633150455,"problem_id":"abc171_a"},{"id":26264254,"contest_id":"abc172","epoch_second":1633150576,"problem_id":"abc172_a"},{"id":26264274,"contest_id":"abc173","epoch_second":1633150661,"problem_id":"abc173_a"},{"id":26264285,"contest_id":"abc174","epoch_second":1633150748,"problem_id":"abc174_a"},{"id":26264329,"contest_id":"abc175","epoch_second":1633150934,"problem_id":"abc175_a"},{"id":26265277,"contest_id":"abc176","epoch_second":1633154921,"problem_id":"abc176_a"},{"id":26265310,"contest_id":"abc177","epoch_second":1633155036,"problem_id":"abc177_a"},{"id":26265404,"contest_id":"abc179","epoch_second":1633155400,"problem_id":"abc179_a"},{"id":26265431,"contest_id":"abc180","epoch_second":1633155516,"problem_id":"abc180_a"},{"id":26265498,"contest_id":"abc181","epoch_second":1633155742,"problem_id":"abc181_a"},{"id":26265676,"contest_id":"abc182","epoch_second":1633156400,"problem_id":"abc182_a"},{"id":26265694,"contest_id":"abc183","epoch_second":1633156456,"problem_id":"abc183_a"},{"id":26265742,"contest_id":"abc184","epoch_second":1633156606,"problem_id":"abc184_a"},{"id":26265765,"contest_id":"abc185","epoch_second":1633156687,"problem_id":"abc185_a"},{"id":26265796,"contest_id":"abc186","epoch_second":1633156813,"problem_id":"abc186_a"},{"id":26265875,"contest_id":"abc187","epoch_second":1633157070,"problem_id":"abc187_a"},{"id":26265897,"contest_id":"abc188","epoch_second":1633157166,"problem_id":"abc188_a"},{"id":26265922,"contest_id":"abc189","epoch_second":1633157260,"problem_id":"abc189_a"},{"id":26265954,"contest_id":"abc213","epoch_second":1633157356,"problem_id":"abc213_a"},{"id":26266045,"contest_id":"abc216","epoch_second":1633157689,"problem_id":"abc216_a"},{"id":26266801,"contest_id":"abc001","epoch_second":1633160157,"problem_id":"abc001_2"},{"id":26268280,"contest_id":"abc002","epoch_second":1633165065,"problem_id":"abc002_2"},{"id":26268484,"contest_id":"abc010","epoch_second":1633165766,"problem_id":"abc010_2"},{"id":26268577,"contest_id":"abc003","epoch_second":1633166072,"problem_id":"abc003_2"},{"id":26268670,"contest_id":"abc004","epoch_second":1633166408,"problem_id":"abc004_2"},{"id":26268819,"contest_id":"abc004","epoch_second":1633166960,"problem_id":"abc004_2"},{"id":26268901,"contest_id":"abc005","epoch_second":1633167189,"problem_id":"abc005_2"},{"id":26268938,"contest_id":"abc006","epoch_second":1633167334,"problem_id":"abc006_2"},{"id":26269000,"contest_id":"abc007","epoch_second":1633167487,"problem_id":"abc007_2"},{"id":26269077,"contest_id":"abc008","epoch_second":1633167803,"problem_id":"abc008_2"},{"id":26269187,"contest_id":"abc009","epoch_second":1633168140,"problem_id":"abc009_2"},{"id":26269233,"contest_id":"abc216","epoch_second":1633168299,"problem_id":"abc216_b"},{"id":26269301,"contest_id":"abc194","epoch_second":1633168528,"problem_id":"abc194_b"},{"id":26275506,"contest_id":"abc221","epoch_second":1633176161,"problem_id":"abc221_a"},{"id":26279289,"contest_id":"abc221","epoch_second":1633176305,"problem_id":"abc221_b"},{"id":26291980,"contest_id":"abc221","epoch_second":1633177168,"problem_id":"abc221_c"},{"id":26307022,"contest_id":"abc221","epoch_second":1633179599,"problem_id":"abc221_d"},{"id":26327185,"contest_id":"abc011","epoch_second":1633223009,"problem_id":"abc011_2"},{"id":26327211,"contest_id":"abc012","epoch_second":1633223108,"problem_id":"abc012_2"},{"id":26327313,"contest_id":"abc013","epoch_second":1633223600,"problem_id":"abc013_2"},{"id":26327374,"contest_id":"abc014","epoch_second":1633223807,"problem_id":"abc014_2"},{"id":26327458,"contest_id":"abc015","epoch_second":1633224100,"problem_id":"abc015_2"},{"id":26327503,"contest_id":"abc016","epoch_second":1633224301,"problem_id":"abc016_2"},{"id":26327809,"contest_id":"abc017","epoch_second":1633225501,"problem_id":"abc017_2"},{"id":26327911,"contest_id":"abc018","epoch_second":1633225873,"problem_id":"abc018_2"},{"id":26328052,"contest_id":"abc019","epoch_second":1633226308,"problem_id":"abc019_2"},{"id":26328888,"contest_id":"abc020","epoch_second":1633228627,"problem_id":"abc020_b"},{"id":26329073,"contest_id":"abc021","epoch_second":1633229078,"problem_id":"abc021_b"},{"id":26329151,"contest_id":"abc022","epoch_second":1633229317,"problem_id":"abc022_b"},{"id":26329383,"contest_id":"abc023","epoch_second":1633230076,"problem_id":"abc023_b"},{"id":26329543,"contest_id":"abc024","epoch_second":1633230587,"problem_id":"abc024_b"},{"id":26329644,"contest_id":"abc025","epoch_second":1633230947,"problem_id":"abc025_b"},{"id":26329733,"contest_id":"abc026","epoch_second":1633231279,"problem_id":"abc026_b"},{"id":26329897,"contest_id":"abc027","epoch_second":1633231992,"problem_id":"abc027_b"},{"id":26329970,"contest_id":"abc028","epoch_second":1633232361,"problem_id":"abc028_b"},{"id":26330002,"contest_id":"abc029","epoch_second":1633232520,"problem_id":"abc029_b"},{"id":26330436,"contest_id":"abc030","epoch_second":1633234306,"problem_id":"abc030_b"},{"id":26331647,"contest_id":"abc031","epoch_second":1633239119,"problem_id":"abc031_b"},{"id":26331737,"contest_id":"abc032","epoch_second":1633239454,"problem_id":"abc032_b"},{"id":26331879,"contest_id":"abc033","epoch_second":1633239867,"problem_id":"abc033_b"},{"id":26331919,"contest_id":"abc034","epoch_second":1633240026,"problem_id":"abc034_b"},{"id":26332129,"contest_id":"abc035","epoch_second":1633240762,"problem_id":"abc035_b"},{"id":26332273,"contest_id":"abc036","epoch_second":1633241316,"problem_id":"abc036_b"},{"id":26332325,"contest_id":"abc037","epoch_second":1633241501,"problem_id":"abc037_b"},{"id":26332367,"contest_id":"abc038","epoch_second":1633241643,"problem_id":"abc038_b"},{"id":26332478,"contest_id":"abc039","epoch_second":1633241968,"problem_id":"abc039_b"},{"id":26332822,"contest_id":"abc040","epoch_second":1633243049,"problem_id":"abc040_b"},{"id":26332873,"contest_id":"abc041","epoch_second":1633243232,"problem_id":"abc041_b"},{"id":26332967,"contest_id":"abc043","epoch_second":1633243601,"problem_id":"abc043_b"},{"id":26333183,"contest_id":"abc045","epoch_second":1633244127,"problem_id":"abc045_b"},{"id":26333392,"contest_id":"abc047","epoch_second":1633244760,"problem_id":"abc047_b"},{"id":26333501,"contest_id":"abc048","epoch_second":1633245079,"problem_id":"abc048_b"},{"id":26333595,"contest_id":"abc051","epoch_second":1633245339,"problem_id":"abc051_b"},{"id":26333766,"contest_id":"abc054","epoch_second":1633245828,"problem_id":"abc054_b"},{"id":26333878,"contest_id":"abc056","epoch_second":1633246092,"problem_id":"abc056_b"},{"id":26343614,"contest_id":"abc057","epoch_second":1633276408,"problem_id":"abc057_b"},{"id":26343673,"contest_id":"abc060","epoch_second":1633276726,"problem_id":"abc060_b"},{"id":26343706,"contest_id":"abc064","epoch_second":1633276900,"problem_id":"abc064_b"},{"id":26357018,"contest_id":"abc066","epoch_second":1633356276,"problem_id":"abc066_b"},{"id":26357087,"contest_id":"abc067","epoch_second":1633356521,"problem_id":"abc067_b"},{"id":26357099,"contest_id":"abc069","epoch_second":1633356585,"problem_id":"abc069_b"},{"id":26357146,"contest_id":"abc070","epoch_second":1633356716,"problem_id":"abc070_b"},{"id":26370556,"contest_id":"abc072","epoch_second":1633438996,"problem_id":"abc072_b"},{"id":26370702,"contest_id":"abc073","epoch_second":1633439504,"problem_id":"abc073_b"},{"id":26370877,"contest_id":"abc075","epoch_second":1633439968,"problem_id":"abc075_b"},{"id":26370912,"contest_id":"abc076","epoch_second":1633440061,"problem_id":"abc076_b"},{"id":26371020,"contest_id":"abc077","epoch_second":1633440400,"problem_id":"abc077_b"},{"id":26371104,"contest_id":"abc078","epoch_second":1633440625,"problem_id":"abc078_b"},{"id":26371172,"contest_id":"abc080","epoch_second":1633440800,"problem_id":"abc080_b"},{"id":26371262,"contest_id":"abc082","epoch_second":1633440999,"problem_id":"abc082_b"},{"id":26371394,"contest_id":"abc089","epoch_second":1633441379,"problem_id":"abc089_b"},{"id":26371498,"contest_id":"abc095","epoch_second":1633441606,"problem_id":"abc095_b"},{"id":26371571,"contest_id":"abc096","epoch_second":1633441804,"problem_id":"abc096_b"},{"id":26371736,"contest_id":"abc098","epoch_second":1633442275,"problem_id":"abc098_b"},{"id":26371851,"contest_id":"abc099","epoch_second":1633442612,"problem_id":"abc099_b"},{"id":26371899,"contest_id":"abc101","epoch_second":1633442800,"problem_id":"abc101_b"},{"id":26371940,"contest_id":"abc102","epoch_second":1633442957,"problem_id":"abc102_b"},{"id":26372173,"contest_id":"abc013","epoch_second":1633443696,"problem_id":"abc013_1"},{"id":26372206,"contest_id":"stage0-2021","epoch_second":1633443839,"problem_id":"stage0_2021_a"},{"id":26386953,"contest_id":"abc197","epoch_second":1633525801,"problem_id":"abc197_a"},{"id":26386995,"contest_id":"abc105","epoch_second":1633525948,"problem_id":"abc105_b"},{"id":26387160,"contest_id":"abc106","epoch_second":1633526456,"problem_id":"abc106_b"},{"id":26387420,"contest_id":"abc107","epoch_second":1633527272,"problem_id":"abc107_b"},{"id":26387560,"contest_id":"abc110","epoch_second":1633527643,"problem_id":"abc110_b"},{"id":26387617,"contest_id":"abc111","epoch_second":1633527805,"problem_id":"abc111_b"},{"id":26387684,"contest_id":"abc112","epoch_second":1633527996,"problem_id":"abc112_b"},{"id":26387755,"contest_id":"abc115","epoch_second":1633528196,"problem_id":"abc115_b"},{"id":26387825,"contest_id":"abc117","epoch_second":1633528367,"problem_id":"abc117_b"},{"id":26387899,"contest_id":"abc119","epoch_second":1633528564,"problem_id":"abc119_b"},{"id":26387982,"contest_id":"abc120","epoch_second":1633528795,"problem_id":"abc120_b"},{"id":26388272,"contest_id":"abl","epoch_second":1633529712,"problem_id":"abl_a"},{"id":26403649,"contest_id":"abc124","epoch_second":1633616755,"problem_id":"abc124_b"},{"id":26403909,"contest_id":"abc010","epoch_second":1633617661,"problem_id":"abc010_1"},{"id":26419457,"contest_id":"abc125","epoch_second":1633705619,"problem_id":"abc125_b"},{"id":26419520,"contest_id":"abc126","epoch_second":1633705863,"problem_id":"abc126_b"},{"id":26419553,"contest_id":"abc127","epoch_second":1633706032,"problem_id":"abc127_b"},{"id":26419672,"contest_id":"abc129","epoch_second":1633706702,"problem_id":"abc129_b"},{"id":26419705,"contest_id":"abc130","epoch_second":1633706889,"problem_id":"abc130_b"},{"id":26467023,"contest_id":"abc222","epoch_second":1633787294,"problem_id":"abc222_a"},{"id":26467154,"contest_id":"abc222","epoch_second":1633787381,"problem_id":"abc222_b"},{"id":26468138,"contest_id":"abc222","epoch_second":1633788222,"problem_id":"abc222_c"},{"id":26494492,"contest_id":"abc222","epoch_second":1633872452,"problem_id":"abc222_d"},{"id":26623840,"contest_id":"abc223","epoch_second":1634472117,"problem_id":"abc223_a"},{"id":26627933,"contest_id":"abc223","epoch_second":1634472299,"problem_id":"abc223_b"},{"id":26637869,"contest_id":"abc223","epoch_second":1634473842,"problem_id":"abc223_c"},{"id":26653863,"contest_id":"abc223","epoch_second":1634478325,"problem_id":"abc223_d"},{"id":26663898,"contest_id":"abc131","epoch_second":1634524951,"problem_id":"abc131_b"},{"id":26663934,"contest_id":"abc132","epoch_second":1634525201,"problem_id":"abc132_b"},{"id":26664088,"contest_id":"abc134","epoch_second":1634526123,"problem_id":"abc134_b"},{"id":26664571,"contest_id":"abc135","epoch_second":1634529029,"problem_id":"abc135_b"},{"id":26664617,"contest_id":"abc136","epoch_second":1634529360,"problem_id":"abc136_b"},{"id":26664658,"contest_id":"abc137","epoch_second":1634529638,"problem_id":"abc137_b"},{"id":26664717,"contest_id":"abc138","epoch_second":1634530040,"problem_id":"abc138_b"},{"id":26664844,"contest_id":"abc140","epoch_second":1634530812,"problem_id":"abc140_b"},{"id":26689910,"contest_id":"abc141","epoch_second":1634651627,"problem_id":"abc141_b"},{"id":26690172,"contest_id":"abc142","epoch_second":1634652267,"problem_id":"abc142_b"},{"id":26690216,"contest_id":"abc143","epoch_second":1634652389,"problem_id":"abc143_b"},{"id":26690254,"contest_id":"abc144","epoch_second":1634652504,"problem_id":"abc144_b"},{"id":26690337,"contest_id":"abc145","epoch_second":1634652725,"problem_id":"abc145_b"},{"id":26690490,"contest_id":"abc146","epoch_second":1634653149,"problem_id":"abc146_b"},{"id":26690552,"contest_id":"abc147","epoch_second":1634653307,"problem_id":"abc147_b"},{"id":26690587,"contest_id":"abc148","epoch_second":1634653434,"problem_id":"abc148_b"},{"id":26690670,"contest_id":"abc149","epoch_second":1634653702,"problem_id":"abc149_b"},{"id":26690708,"contest_id":"abc150","epoch_second":1634653825,"problem_id":"abc150_b"},{"id":26698149,"contest_id":"abc151","epoch_second":1634709371,"problem_id":"abc151_b"},{"id":26698171,"contest_id":"abc152","epoch_second":1634709498,"problem_id":"abc152_b"},{"id":26698229,"contest_id":"abc153","epoch_second":1634709770,"problem_id":"abc153_b"},{"id":26698265,"contest_id":"abc154","epoch_second":1634709930,"problem_id":"abc154_b"},{"id":26698382,"contest_id":"abc155","epoch_second":1634710435,"problem_id":"abc155_b"},{"id":26698428,"contest_id":"abc156","epoch_second":1634710617,"problem_id":"abc156_b"},{"id":26698581,"contest_id":"abc159","epoch_second":1634711133,"problem_id":"abc159_b"},{"id":26698625,"contest_id":"abc160","epoch_second":1634711321,"problem_id":"abc160_b"},{"id":26707526,"contest_id":"abc161","epoch_second":1634742129,"problem_id":"abc161_b"},{"id":26707617,"contest_id":"abc162","epoch_second":1634742467,"problem_id":"abc162_b"},{"id":26707663,"contest_id":"abc163","epoch_second":1634742651,"problem_id":"abc163_b"},{"id":26707740,"contest_id":"abc164","epoch_second":1634742970,"problem_id":"abc164_b"},{"id":26707828,"contest_id":"abc165","epoch_second":1634743393,"problem_id":"abc165_b"},{"id":26716205,"contest_id":"abc166","epoch_second":1634807603,"problem_id":"abc166_b"},{"id":26716498,"contest_id":"abc167","epoch_second":1634809026,"problem_id":"abc167_b"},{"id":26716562,"contest_id":"abc168","epoch_second":1634809442,"problem_id":"abc168_b"},{"id":26716748,"contest_id":"abc169","epoch_second":1634810385,"problem_id":"abc169_b"},{"id":26716774,"contest_id":"abc170","epoch_second":1634810540,"problem_id":"abc170_b"},{"id":26722086,"contest_id":"abc171","epoch_second":1634829974,"problem_id":"abc171_b"},{"id":26735909,"contest_id":"abc172","epoch_second":1634914428,"problem_id":"abc172_b"},{"id":26741335,"contest_id":"abc173","epoch_second":1634955854,"problem_id":"abc173_b"},{"id":26741473,"contest_id":"abc174","epoch_second":1634956454,"problem_id":"abc174_b"},{"id":26741564,"contest_id":"abc175","epoch_second":1634956831,"problem_id":"abc175_b"},{"id":26741622,"contest_id":"abc176","epoch_second":1634956994,"problem_id":"abc176_b"},{"id":26742059,"contest_id":"abc177","epoch_second":1634958633,"problem_id":"abc177_b"},{"id":26754239,"contest_id":"abc224","epoch_second":1634990497,"problem_id":"abc224_a"},{"id":26758151,"contest_id":"abc224","epoch_second":1634990707,"problem_id":"abc224_b"},{"id":26767772,"contest_id":"abc224","epoch_second":1634992108,"problem_id":"abc224_c"},{"id":26784982,"contest_id":"abc179","epoch_second":1635001245,"problem_id":"abc179_b"},{"id":26785101,"contest_id":"abc180","epoch_second":1635001561,"problem_id":"abc180_b"},{"id":26807828,"contest_id":"abc181","epoch_second":1635125871,"problem_id":"abc181_b"},{"id":26808102,"contest_id":"abc182","epoch_second":1635127766,"problem_id":"abc182_b"},{"id":26808168,"contest_id":"abc183","epoch_second":1635128166,"problem_id":"abc183_b"},{"id":26808196,"contest_id":"abc184","epoch_second":1635128311,"problem_id":"abc184_b"},{"id":26826918,"contest_id":"abc185","epoch_second":1635236093,"problem_id":"abc185_b"},{"id":26826971,"contest_id":"abc186","epoch_second":1635236303,"problem_id":"abc186_b"},{"id":26827054,"contest_id":"abc187","epoch_second":1635236656,"problem_id":"abc187_b"},{"id":26827084,"contest_id":"abc188","epoch_second":1635236817,"problem_id":"abc188_b"},{"id":26827190,"contest_id":"abc189","epoch_second":1635237256,"problem_id":"abc189_b"},{"id":26827462,"contest_id":"agc010","epoch_second":1635238559,"problem_id":"agc010_a"},{"id":26827488,"contest_id":"m-solutions2020","epoch_second":1635238685,"problem_id":"m_solutions2020_a"},{"id":26827548,"contest_id":"aising2020","epoch_second":1635238900,"problem_id":"aising2020_a"},{"id":26827567,"contest_id":"arc104","epoch_second":1635239016,"problem_id":"arc104_a"},{"id":26827602,"contest_id":"hhkb2020","epoch_second":1635239178,"problem_id":"hhkb2020_a"},{"id":26846511,"contest_id":"tokiomarine2020","epoch_second":1635342941,"problem_id":"tokiomarine2020_a"},{"id":26846517,"contest_id":"tokiomarine2020","epoch_second":1635342961,"problem_id":"tokiomarine2020_a"},{"id":26846539,"contest_id":"panasonic2020","epoch_second":1635343042,"problem_id":"panasonic2020_a"},{"id":26860677,"contest_id":"keyence2020","epoch_second":1635430368,"problem_id":"keyence2020_a"},{"id":26860686,"contest_id":"m-solutions2019","epoch_second":1635430422,"problem_id":"m_solutions2019_a"},{"id":26860692,"contest_id":"m-solutions2019","epoch_second":1635430444,"problem_id":"m_solutions2019_a"},{"id":26860729,"contest_id":"exawizards2019","epoch_second":1635430563,"problem_id":"exawizards2019_a"},{"id":26860750,"contest_id":"sumitrust2019","epoch_second":1635430638,"problem_id":"sumitb2019_a"},{"id":26860885,"contest_id":"aising2020","epoch_second":1635431159,"problem_id":"aising2020_b"},{"id":26874931,"contest_id":"tenka1-2019-beginner","epoch_second":1635518501,"problem_id":"tenka1_2019_a"},{"id":26874990,"contest_id":"dwacon6th-prelims","epoch_second":1635518770,"problem_id":"dwacon6th_prelims_a"},{"id":26875009,"contest_id":"caddi2018b","epoch_second":1635518860,"problem_id":"caddi2018b_a"},{"id":26875086,"contest_id":"nomura2020","epoch_second":1635519174,"problem_id":"nomura2020_a"},{"id":26875162,"contest_id":"ddcc2020-qual","epoch_second":1635519478,"problem_id":"ddcc2020_qual_a"},{"id":26875197,"contest_id":"nikkei2019-2-qual","epoch_second":1635519646,"problem_id":"nikkei2019_2_qual_a"},{"id":26875205,"contest_id":"nikkei2019-2-qual","epoch_second":1635519692,"problem_id":"nikkei2019_2_qual_a"},{"id":26875224,"contest_id":"diverta2019-2","epoch_second":1635519771,"problem_id":"diverta2019_2_a"},{"id":26875296,"contest_id":"agc025","epoch_second":1635520149,"problem_id":"agc025_a"},{"id":26875362,"contest_id":"arc105","epoch_second":1635520555,"problem_id":"arc105_a"},{"id":26875377,"contest_id":"keyence2019","epoch_second":1635520691,"problem_id":"keyence2019_a"},{"id":26875398,"contest_id":"tenka1-2018-beginner","epoch_second":1635520768,"problem_id":"tenka1_2018_a"},{"id":26957042,"contest_id":"abc225","epoch_second":1635683335,"problem_id":"abc225_a"},{"id":26957106,"contest_id":"diverta2019","epoch_second":1635683406,"problem_id":"diverta2019_a"},{"id":26957317,"contest_id":"diverta2019","epoch_second":1635683640,"problem_id":"diverta2019_a"},{"id":26957410,"contest_id":"exawizards2019","epoch_second":1635683761,"problem_id":"exawizards2019_b"},{"id":26957606,"contest_id":"soundhound2018-summer-qual","epoch_second":1635683966,"problem_id":"soundhound2018_summer_qual_a"},{"id":26957664,"contest_id":"tenka1-2017-beginner","epoch_second":1635684061,"problem_id":"tenka1_2017_a"},{"id":26957852,"contest_id":"hitachi2020","epoch_second":1635684274,"problem_id":"hitachi2020_a"},{"id":26957958,"contest_id":"tenka1-2019-beginner","epoch_second":1635684393,"problem_id":"tenka1_2019_b"},{"id":26958120,"contest_id":"jsc2019-qual","epoch_second":1635684595,"problem_id":"jsc2019_qual_a"},{"id":26958258,"contest_id":"m-solutions2019","epoch_second":1635684757,"problem_id":"m_solutions2019_b"},{"id":26958429,"contest_id":"nikkei2019-qual","epoch_second":1635684960,"problem_id":"nikkei2019_qual_a"},{"id":26958559,"contest_id":"aising2019","epoch_second":1635685117,"problem_id":"aising2019_a"},{"id":26959274,"contest_id":"caddi2018b","epoch_second":1635685990,"problem_id":"caddi2018b_b"},{"id":26959372,"contest_id":"abl","epoch_second":1635686128,"problem_id":"abl_b"},{"id":26959423,"contest_id":"indeednow-quala","epoch_second":1635686195,"problem_id":"indeednow_2015_quala_1"},{"id":26959514,"contest_id":"arc026","epoch_second":1635686330,"problem_id":"arc026_1"},{"id":26959810,"contest_id":"arc117","epoch_second":1635686715,"problem_id":"arc117_a"},{"id":26959955,"contest_id":"tenka1-2013-quala","epoch_second":1635686919,"problem_id":"tenka1_2013_qualA_a"},{"id":26974555,"contest_id":"arc012","epoch_second":1635765046,"problem_id":"arc012_1"},{"id":26974597,"contest_id":"arc002","epoch_second":1635765177,"problem_id":"arc002_1"},{"id":26977254,"contest_id":"abc225","epoch_second":1635772976,"problem_id":"abc225_b"},{"id":26977406,"contest_id":"abc148","epoch_second":1635773314,"problem_id":"abc148_c"},{"id":26977662,"contest_id":"abc148","epoch_second":1635773909,"problem_id":"abc148_a"},{"id":26977848,"contest_id":"abc154","epoch_second":1635774369,"problem_id":"abc154_c"},{"id":26978031,"contest_id":"abc143","epoch_second":1635774852,"problem_id":"abc143_c"},{"id":26978162,"contest_id":"m-solutions2020","epoch_second":1635775274,"problem_id":"m_solutions2020_b"},{"id":26978218,"contest_id":"mujin-pc-2016","epoch_second":1635775402,"problem_id":"mujin_pc_2016_a"},{"id":26978253,"contest_id":"code-festival-2015-qualb","epoch_second":1635775503,"problem_id":"codefestival_2015_qualB_a"},{"id":26978281,"contest_id":"code-festival-2015-quala","epoch_second":1635775591,"problem_id":"codefestival_2015_qualA_a"},{"id":26979943,"contest_id":"arc020","epoch_second":1635780854,"problem_id":"arc020_1"},{"id":26979996,"contest_id":"arc119","epoch_second":1635781106,"problem_id":"arc119_a"},{"id":26980059,"contest_id":"abc153","epoch_second":1635781488,"problem_id":"abc153_c"},{"id":26980075,"contest_id":"code-festival-2017-qualc","epoch_second":1635781597,"problem_id":"code_festival_2017_qualc_a"},{"id":26980083,"contest_id":"code-festival-2014-qualb","epoch_second":1635781659,"problem_id":"code_festival_qualB_a"},{"id":27007562,"contest_id":"future-contest-2022-qual","epoch_second":1635940835,"problem_id":"future_contest_2022_qual_a"},{"id":27008229,"contest_id":"future-contest-2022-qual","epoch_second":1635942686,"problem_id":"future_contest_2022_qual_a"},{"id":27010439,"contest_id":"future-contest-2022-qual","epoch_second":1635949382,"problem_id":"future_contest_2022_qual_a"},{"id":27011083,"contest_id":"future-contest-2022-qual","epoch_second":1635951277,"problem_id":"future_contest_2022_qual_a"},{"id":27011636,"contest_id":"future-contest-2022-qual","epoch_second":1635953382,"problem_id":"future_contest_2022_qual_a"},{"id":27012124,"contest_id":"future-contest-2022-qual","epoch_second":1635955584,"problem_id":"future_contest_2022_qual_a"},{"id":27012199,"contest_id":"abc176","epoch_second":1635955964,"problem_id":"abc176_c"},{"id":27018142,"contest_id":"future-contest-2022-qual","epoch_second":1636002032,"problem_id":"future_contest_2022_qual_a"},{"id":27018578,"contest_id":"future-contest-2022-qual","epoch_second":1636003833,"problem_id":"future_contest_2022_qual_a"},{"id":27019370,"contest_id":"future-contest-2022-qual","epoch_second":1636007835,"problem_id":"future_contest_2022_qual_a"},{"id":27020853,"contest_id":"future-contest-2022-qual","epoch_second":1636014136,"problem_id":"future_contest_2022_qual_a"},{"id":27028032,"contest_id":"arc031","epoch_second":1636041692,"problem_id":"arc031_1"},{"id":27028101,"contest_id":"yahoo-procon2019-qual","epoch_second":1636042072,"problem_id":"yahoo_procon2019_qual_a"},{"id":27028124,"contest_id":"code-festival-2017-qualb","epoch_second":1636042211,"problem_id":"code_festival_2017_qualb_a"},{"id":27028136,"contest_id":"code-formula-2014-qualb","epoch_second":1636042250,"problem_id":"code_formula_2014_qualB_a"},{"id":27032478,"contest_id":"abc164","epoch_second":1636078429,"problem_id":"abc164_c"},{"id":27034046,"contest_id":"tenka1-2018-beginner","epoch_second":1636088665,"problem_id":"tenka1_2018_b"},{"id":27034440,"contest_id":"arc047","epoch_second":1636090458,"problem_id":"arc047_a"},{"id":27034467,"contest_id":"arc053","epoch_second":1636090612,"problem_id":"arc053_a"},{"id":27034544,"contest_id":"agc030","epoch_second":1636091104,"problem_id":"agc030_a"},{"id":27034580,"contest_id":"agc026","epoch_second":1636091356,"problem_id":"agc026_a"},{"id":27034605,"contest_id":"arc027","epoch_second":1636091471,"problem_id":"arc027_1"},{"id":27034630,"contest_id":"arc048","epoch_second":1636091566,"problem_id":"arc048_a"},{"id":27034658,"contest_id":"code-festival-2017-quala","epoch_second":1636091667,"problem_id":"code_festival_2017_quala_a"},{"id":27034879,"contest_id":"hhkb2020","epoch_second":1636092803,"problem_id":"hhkb2020_b"},{"id":27034909,"contest_id":"nomura2020","epoch_second":1636092981,"problem_id":"nomura2020_b"},{"id":27035093,"contest_id":"code-festival-2016-quala","epoch_second":1636093924,"problem_id":"codefestival_2016_qualA_a"},{"id":27042771,"contest_id":"arc037","epoch_second":1636123363,"problem_id":"arc037_a"},{"id":27042816,"contest_id":"tenka1-2012-qualB","epoch_second":1636123503,"problem_id":"tenka1_2012_5"},{"id":27043148,"contest_id":"arc112","epoch_second":1636124603,"problem_id":"arc112_a"},{"id":27043900,"contest_id":"yahoo-procon2019-qual","epoch_second":1636128192,"problem_id":"yahoo_procon2019_qual_b"},{"id":27043995,"contest_id":"nikkei2019-qual","epoch_second":1636128800,"problem_id":"nikkei2019_qual_b"},{"id":27044020,"contest_id":"soundhound2018-summer-qual","epoch_second":1636128925,"problem_id":"soundhound2018_summer_qual_b"},{"id":27044105,"contest_id":"abc159","epoch_second":1636129459,"problem_id":"abc159_c"},{"id":27044126,"contest_id":"code-festival-2016-qualb","epoch_second":1636129581,"problem_id":"codefestival_2016_qualB_a"},{"id":27044339,"contest_id":"arc109","epoch_second":1636130859,"problem_id":"arc109_a"},{"id":27044364,"contest_id":"arc018","epoch_second":1636131063,"problem_id":"arc018_1"},{"id":27044397,"contest_id":"arc110","epoch_second":1636131291,"problem_id":"arc110_a"},{"id":27044476,"contest_id":"abc188","epoch_second":1636131851,"problem_id":"abc188_c"},{"id":27048113,"contest_id":"future-contest-2022-qual","epoch_second":1636165905,"problem_id":"future_contest_2022_qual_a"},{"id":27048486,"contest_id":"future-contest-2022-qual","epoch_second":1636167861,"problem_id":"future_contest_2022_qual_a"},{"id":27058638,"contest_id":"future-contest-2022-qual","epoch_second":1636205469,"problem_id":"future_contest_2022_qual_a"},{"id":27060683,"contest_id":"arc025","epoch_second":1636212412,"problem_id":"arc025_1"},{"id":27061017,"contest_id":"aising2019","epoch_second":1636213725,"problem_id":"aising2019_b"},{"id":27064931,"contest_id":"agc020","epoch_second":1636249962,"problem_id":"agc020_a"},{"id":27064953,"contest_id":"cf16-final","epoch_second":1636250107,"problem_id":"codefestival_2016_final_a"},{"id":27064994,"contest_id":"arc055","epoch_second":1636250325,"problem_id":"arc055_a"},{"id":27065052,"contest_id":"agc054","epoch_second":1636250636,"problem_id":"agc054_a"},{"id":27065164,"contest_id":"abc186","epoch_second":1636251195,"problem_id":"abc186_c"},{"id":27065207,"contest_id":"arc009","epoch_second":1636251462,"problem_id":"arc009_1"},{"id":27074123,"contest_id":"arc107","epoch_second":1636284374,"problem_id":"arc107_a"},{"id":27109509,"contest_id":"arc033","epoch_second":1636291404,"problem_id":"arc033_1"},{"id":27109661,"contest_id":"arc033","epoch_second":1636291443,"problem_id":"arc033_1"},{"id":27110614,"contest_id":"dwacon5th-prelims","epoch_second":1636291674,"problem_id":"dwacon5th_prelims_a"},{"id":27111320,"contest_id":"arc038","epoch_second":1636291842,"problem_id":"arc038_a"},{"id":27116828,"contest_id":"abc226","epoch_second":1636293824,"problem_id":"abc226_a"},{"id":27116910,"contest_id":"abc226","epoch_second":1636293914,"problem_id":"abc226_b"},{"id":27117708,"contest_id":"abc226","epoch_second":1636294704,"problem_id":"abc226_c"},{"id":27118594,"contest_id":"abc226","epoch_second":1636295933,"problem_id":"abc226_d"},{"id":27119291,"contest_id":"abc226","epoch_second":1636297088,"problem_id":"abc226_e"},{"id":27120721,"contest_id":"abc180","epoch_second":1636300326,"problem_id":"abc180_c"},{"id":27120821,"contest_id":"abc216","epoch_second":1636300650,"problem_id":"abc216_c"},{"id":27133148,"contest_id":"future-contest-2022-qual","epoch_second":1636367409,"problem_id":"future_contest_2022_qual_a"},{"id":27137661,"contest_id":"future-contest-2022-qual","epoch_second":1636381013,"problem_id":"future_contest_2022_qual_a"},{"id":27138599,"contest_id":"future-contest-2022-qual","epoch_second":1636383689,"problem_id":"future_contest_2022_qual_a"},{"id":27139180,"contest_id":"arc108","epoch_second":1636385858,"problem_id":"arc108_a"},{"id":27143563,"contest_id":"tenka1-2014-qualb","epoch_second":1636422097,"problem_id":"tenka1_2014_qualB_a"},{"id":27143612,"contest_id":"tenka1-2012-qualA","epoch_second":1636422478,"problem_id":"tenka1_2012_qualA_1"},{"id":27143644,"contest_id":"abc170","epoch_second":1636422719,"problem_id":"abc170_c"},{"id":27143743,"contest_id":"arc116","epoch_second":1636423294,"problem_id":"arc116_a"},{"id":27143858,"contest_id":"keyence2021","epoch_second":1636424109,"problem_id":"keyence2021_a"},{"id":27143886,"contest_id":"arc008","epoch_second":1636424312,"problem_id":"arc008_1"},{"id":27143895,"contest_id":"abc162","epoch_second":1636424444,"problem_id":"abc162_c"},{"id":27143935,"contest_id":"arc041","epoch_second":1636424714,"problem_id":"arc041_a"},{"id":27144282,"contest_id":"arc040","epoch_second":1636426542,"problem_id":"arc040_a"},{"id":27144395,"contest_id":"arc016","epoch_second":1636427195,"problem_id":"arc016_1"},{"id":27144406,"contest_id":"arc050","epoch_second":1636427269,"problem_id":"arc050_a"},{"id":27144503,"contest_id":"arc123","epoch_second":1636428056,"problem_id":"arc123_a"},{"id":27144542,"contest_id":"arc032","epoch_second":1636428239,"problem_id":"arc032_1"},{"id":27144997,"contest_id":"code-formula-2014-quala","epoch_second":1636431299,"problem_id":"code_formula_2014_qualA_a"},{"id":27145028,"contest_id":"arc035","epoch_second":1636431496,"problem_id":"arc035_a"},{"id":27145063,"contest_id":"arc015","epoch_second":1636431694,"problem_id":"arc015_1"},{"id":27145090,"contest_id":"code-festival-2016-qualc","epoch_second":1636431888,"problem_id":"codefestival_2016_qualC_a"},{"id":27145129,"contest_id":"tokiomarine2020","epoch_second":1636432133,"problem_id":"tokiomarine2020_b"},{"id":27145563,"contest_id":"apc001","epoch_second":1636434919,"problem_id":"apc001_a"},{"id":27145673,"contest_id":"arc007","epoch_second":1636435440,"problem_id":"arc007_1"},{"id":27145952,"contest_id":"abc163","epoch_second":1636436860,"problem_id":"abc163_c"},{"id":27146100,"contest_id":"arc006","epoch_second":1636437779,"problem_id":"arc006_1"},{"id":27146128,"contest_id":"indeednow-qualb","epoch_second":1636437954,"problem_id":"indeednow_2015_qualb_1"},{"id":27146350,"contest_id":"arc034","epoch_second":1636439237,"problem_id":"arc034_1"},{"id":27146406,"contest_id":"abc202","epoch_second":1636439497,"problem_id":"abc202_c"},{"id":27151387,"contest_id":"m-solutions2020","epoch_second":1636459692,"problem_id":"m_solutions2020_c"},{"id":27151457,"contest_id":"abc187","epoch_second":1636459935,"problem_id":"abc187_c"},{"id":27151515,"contest_id":"arc052","epoch_second":1636460134,"problem_id":"arc052_a"},{"id":27152139,"contest_id":"code-festival-2014-qualb","epoch_second":1636462386,"problem_id":"code_festival_qualB_b"},{"id":27152176,"contest_id":"tenka1-2013-qualb","epoch_second":1636462530,"problem_id":"tenka1_2013_qualB_a"},{"id":27155165,"contest_id":"future-contest-2022-qual","epoch_second":1636473569,"problem_id":"future_contest_2022_qual_a"},{"id":27158092,"contest_id":"future-contest-2022-qual","epoch_second":1636506106,"problem_id":"future_contest_2022_qual_a"},{"id":27160965,"contest_id":"future-contest-2022-qual","epoch_second":1636524248,"problem_id":"future_contest_2022_qual_a"},{"id":27168577,"contest_id":"arc124","epoch_second":1636555849,"problem_id":"arc124_a"},{"id":27182004,"contest_id":"arc012","epoch_second":1636640795,"problem_id":"arc012_2"},{"id":27182098,"contest_id":"arc046","epoch_second":1636641091,"problem_id":"arc046_a"},{"id":27182202,"contest_id":"code-festival-2015-quala","epoch_second":1636641406,"problem_id":"codefestival_2015_qualA_b"},{"id":27183184,"contest_id":"abc168","epoch_second":1636646316,"problem_id":"abc168_c"},{"id":27185737,"contest_id":"future-contest-2022-qual","epoch_second":1636679002,"problem_id":"future_contest_2022_qual_a"},{"id":27195347,"contest_id":"arc120","epoch_second":1636726916,"problem_id":"arc120_a"},{"id":27195399,"contest_id":"arc017","epoch_second":1636727127,"problem_id":"arc017_1"},{"id":27195542,"contest_id":"tenka1-2017-beginner","epoch_second":1636727580,"problem_id":"tenka1_2017_b"},{"id":27195643,"contest_id":"arc113","epoch_second":1636727923,"problem_id":"arc113_a"},{"id":27195736,"contest_id":"discovery2016-qual","epoch_second":1636728235,"problem_id":"discovery_2016_qual_a"},{"id":27195796,"contest_id":"arc021","epoch_second":1636728523,"problem_id":"arc021_1"},{"id":27195840,"contest_id":"arc028","epoch_second":1636728689,"problem_id":"arc028_1"},{"id":27196376,"contest_id":"indeednow-quala","epoch_second":1636731330,"problem_id":"indeednow_2015_quala_2"},{"id":27196417,"contest_id":"code-festival-2014-quala","epoch_second":1636731529,"problem_id":"code_festival_qualA_b"},{"id":27196447,"contest_id":"arc019","epoch_second":1636731671,"problem_id":"arc019_1"},{"id":27196492,"contest_id":"arc045","epoch_second":1636731917,"problem_id":"arc045_a"},{"id":27200210,"contest_id":"tenka1-2013-quala","epoch_second":1636770660,"problem_id":"tenka1_2013_qualA_b"},{"id":27200303,"contest_id":"arc010","epoch_second":1636770965,"problem_id":"arc010_1"},{"id":27200437,"contest_id":"arc049","epoch_second":1636771412,"problem_id":"arc049_a"},{"id":27200470,"contest_id":"code-festival-2014-final","epoch_second":1636771552,"problem_id":"code_festival_final_b"},{"id":27200478,"contest_id":"code-festival-2014-final","epoch_second":1636771614,"problem_id":"code_festival_final_a"},{"id":27200569,"contest_id":"arc001","epoch_second":1636771957,"problem_id":"arc001_1"},{"id":27200619,"contest_id":"arc014","epoch_second":1636772172,"problem_id":"arc014_1"},{"id":27200676,"contest_id":"agc001","epoch_second":1636772364,"problem_id":"agc001_a"},{"id":27200781,"contest_id":"abc166","epoch_second":1636772824,"problem_id":"abc166_c"},{"id":27200843,"contest_id":"arc023","epoch_second":1636773104,"problem_id":"arc023_1"},{"id":27200939,"contest_id":"agc046","epoch_second":1636773486,"problem_id":"agc046_a"},{"id":27201027,"contest_id":"abc181","epoch_second":1636773896,"problem_id":"abc181_c"},{"id":27203650,"contest_id":"donuts-2015","epoch_second":1636785121,"problem_id":"donuts_2015_1"},{"id":27204250,"contest_id":"future-contest-2022-qual","epoch_second":1636787043,"problem_id":"future_contest_2022_qual_a"},{"id":27205003,"contest_id":"future-contest-2022-qual","epoch_second":1636788844,"problem_id":"future_contest_2022_qual_a"},{"id":27205460,"contest_id":"arc036","epoch_second":1636789973,"problem_id":"arc036_a"},{"id":27205521,"contest_id":"arc024","epoch_second":1636790156,"problem_id":"arc024_1"},{"id":27205586,"contest_id":"abc179","epoch_second":1636790325,"problem_id":"abc179_c"},{"id":27205986,"contest_id":"abc182","epoch_second":1636791398,"problem_id":"abc182_c"},{"id":27207034,"contest_id":"arc106","epoch_second":1636794777,"problem_id":"arc106_a"},{"id":27207119,"contest_id":"abc012","epoch_second":1636795079,"problem_id":"abc012_3"},{"id":27207294,"contest_id":"keyence2021","epoch_second":1636795634,"problem_id":"keyence2021_b"},{"id":27207410,"contest_id":"code-formula-2014-quala","epoch_second":1636796041,"problem_id":"code_formula_2014_qualA_b"},{"id":27207822,"contest_id":"abc225","epoch_second":1636797539,"problem_id":"abc225_c"},{"id":27242703,"contest_id":"abc183","epoch_second":1636816999,"problem_id":"abc183_c"},{"id":27242814,"contest_id":"arc004","epoch_second":1636817274,"problem_id":"arc004_1"},{"id":27246704,"contest_id":"abc227","epoch_second":1636849428,"problem_id":"abc227_a"},{"id":27246721,"contest_id":"abc227","epoch_second":1636849579,"problem_id":"abc227_b"},{"id":27246764,"contest_id":"abc227","epoch_second":1636849804,"problem_id":"abc227_c"},{"id":27247680,"contest_id":"abc227","epoch_second":1636855201,"problem_id":"abc227_d"},{"id":27252206,"contest_id":"ahc006","epoch_second":1636873797,"problem_id":"ahc006_a"},{"id":27252587,"contest_id":"ahc006","epoch_second":1636874694,"problem_id":"ahc006_a"},{"id":27254738,"contest_id":"ahc006","epoch_second":1636878834,"problem_id":"ahc006_a"},{"id":27255189,"contest_id":"ahc006","epoch_second":1636879580,"problem_id":"ahc006_a"},{"id":27258037,"contest_id":"ahc006","epoch_second":1636884217,"problem_id":"ahc006_a"},{"id":27258470,"contest_id":"ahc006","epoch_second":1636884988,"problem_id":"ahc006_a"},{"id":27258947,"contest_id":"ahc006","epoch_second":1636885719,"problem_id":"ahc006_a"},{"id":27264890,"contest_id":"jsc2021","epoch_second":1636901299,"problem_id":"jsc2021_c"},{"id":27264970,"contest_id":"arc022","epoch_second":1636901576,"problem_id":"arc022_1"},{"id":27265031,"contest_id":"arc005","epoch_second":1636901842,"problem_id":"arc005_1"},{"id":27265067,"contest_id":"tenka1-2014-quala","epoch_second":1636901999,"problem_id":"tenka1_2014_qualA_a"},{"id":27265314,"contest_id":"tenka1-2014-quala","epoch_second":1636903279,"problem_id":"tenka1_2014_qualA_a"},{"id":27265463,"contest_id":"arc123","epoch_second":1636904154,"problem_id":"arc123_b"},{"id":27269266,"contest_id":"hhkb2020","epoch_second":1636943342,"problem_id":"hhkb2020_c"},{"id":27269284,"contest_id":"abc139","epoch_second":1636943472,"problem_id":"abc139_d"},{"id":27269326,"contest_id":"arc105","epoch_second":1636943772,"problem_id":"arc105_b"},{"id":27269363,"contest_id":"tenka1-2012-qualC","epoch_second":1636944026,"problem_id":"tenka1_2012_9"},{"id":27269495,"contest_id":"abc185","epoch_second":1636944716,"problem_id":"abc185_c"},{"id":27269534,"contest_id":"dwango2016-prelims","epoch_second":1636944922,"problem_id":"dwango2016qual_a"},{"id":27269611,"contest_id":"aising2020","epoch_second":1636945478,"problem_id":"aising2020_c"},{"id":27269658,"contest_id":"abc193","epoch_second":1636945818,"problem_id":"abc193_c"},{"id":27270079,"contest_id":"abc194","epoch_second":1636949057,"problem_id":"abc194_c"},{"id":27270182,"contest_id":"abc177","epoch_second":1636949776,"problem_id":"abc177_c"},{"id":27274684,"contest_id":"arc011","epoch_second":1636970250,"problem_id":"arc011_1"},{"id":27274831,"contest_id":"abc096","epoch_second":1636970869,"problem_id":"abc096_c"},{"id":27274924,"contest_id":"abc072","epoch_second":1636971320,"problem_id":"arc082_a"},{"id":27275042,"contest_id":"tenka1-2012-qualA","epoch_second":1636971889,"problem_id":"tenka1_2012_qualA_2"},{"id":27280506,"contest_id":"abc175","epoch_second":1636991315,"problem_id":"abc175_c"},{"id":27283517,"contest_id":"arc118","epoch_second":1637024722,"problem_id":"arc118_a"},{"id":27283559,"contest_id":"code-festival-2015-morning-easy","epoch_second":1637025078,"problem_id":"cf_2015_morning_easy_b"},{"id":27283587,"contest_id":"code-festival-2015-morning-easy","epoch_second":1637025244,"problem_id":"cf_2015_morning_easy_a"},{"id":27283752,"contest_id":"arc086","epoch_second":1637026506,"problem_id":"arc086_a"},{"id":27283775,"contest_id":"abl","epoch_second":1637026699,"problem_id":"abl_c"},{"id":27283852,"contest_id":"abc199","epoch_second":1637027326,"problem_id":"abc199_c"},{"id":27292882,"contest_id":"abc186","epoch_second":1637068982,"problem_id":"abc186_d"},{"id":27293000,"contest_id":"cf17-final","epoch_second":1637069440,"problem_id":"cf17_final_a"},{"id":27294901,"contest_id":"arc125","epoch_second":1637077641,"problem_id":"arc125_a"},{"id":27298945,"contest_id":"agc040","epoch_second":1637121148,"problem_id":"agc040_a"},{"id":27298979,"contest_id":"tenka1-2015-qualb","epoch_second":1637121367,"problem_id":"tenka1_2015_qualB_a"},{"id":27299054,"contest_id":"keyence2019","epoch_second":1637121894,"problem_id":"keyence2019_b"},{"id":27299066,"contest_id":"arc003","epoch_second":1637122058,"problem_id":"arc003_1"},{"id":27299115,"contest_id":"abc073","epoch_second":1637122402,"problem_id":"abc073_c"},{"id":27299223,"contest_id":"abc157","epoch_second":1637123144,"problem_id":"abc157_c"},{"id":27299882,"contest_id":"arc121","epoch_second":1637126696,"problem_id":"arc121_a"},{"id":27308072,"contest_id":"arc015","epoch_second":1637160169,"problem_id":"arc015_2"},{"id":27308316,"contest_id":"abc028","epoch_second":1637161201,"problem_id":"abc028_c"},{"id":27308507,"contest_id":"arc126","epoch_second":1637162130,"problem_id":"arc126_a"},{"id":27308593,"contest_id":"abc190","epoch_second":1637162590,"problem_id":"abc190_c"},{"id":27311362,"contest_id":"code-festival-2015-qualb","epoch_second":1637197156,"problem_id":"codefestival_2015_qualB_b"},{"id":27313574,"contest_id":"code-festival-2014-morning-easy","epoch_second":1637214930,"problem_id":"code_festival_morning_easy_a"},{"id":27313599,"contest_id":"code-festival-2014-morning-easy","epoch_second":1637215046,"problem_id":"code_festival_morning_easy_b"},{"id":27316273,"contest_id":"abc088","epoch_second":1637228117,"problem_id":"abc088_c"},{"id":27316419,"contest_id":"abc154","epoch_second":1637228922,"problem_id":"abc154_d"},{"id":27320320,"contest_id":"abc174","epoch_second":1637244329,"problem_id":"abc174_d"},{"id":27320785,"contest_id":"arc104","epoch_second":1637246189,"problem_id":"arc104_b"},{"id":27321381,"contest_id":"tenka1-2015-quala","epoch_second":1637249091,"problem_id":"tenka1_2015_qualA_a"},{"id":27324904,"contest_id":"abc185","epoch_second":1637289070,"problem_id":"abc185_d"},{"id":27325209,"contest_id":"indeednow-qualb","epoch_second":1637291308,"problem_id":"indeednow_2015_qualb_2"},{"id":27339881,"contest_id":"arc039","epoch_second":1637381019,"problem_id":"arc039_a"},{"id":27348397,"contest_id":"abc159","epoch_second":1637397009,"problem_id":"abc159_d"},{"id":27348730,"contest_id":"abc171","epoch_second":1637398116,"problem_id":"abc171_d"},{"id":27348821,"contest_id":"abc063","epoch_second":1637398425,"problem_id":"arc075_a"},{"id":27349032,"contest_id":"arc073","epoch_second":1637399172,"problem_id":"arc073_a"},{"id":27360076,"contest_id":"abc228","epoch_second":1637410245,"problem_id":"abc228_b"},{"id":27369406,"contest_id":"abc228","epoch_second":1637411118,"problem_id":"abc228_c"},{"id":27376299,"contest_id":"abc228","epoch_second":1637411995,"problem_id":"abc228_d"},{"id":27403432,"contest_id":"abc228","epoch_second":1637416905,"problem_id":"abc228_a"},{"id":27404419,"contest_id":"abc228","epoch_second":1637417582,"problem_id":"abc228_e"},{"id":27406064,"contest_id":"arc091","epoch_second":1637419507,"problem_id":"arc091_a"},{"id":27406414,"contest_id":"agc006","epoch_second":1637420083,"problem_id":"agc006_a"},{"id":27407537,"contest_id":"agc039","epoch_second":1637422060,"problem_id":"agc039_a"},{"id":27428332,"contest_id":"abc131","epoch_second":1637499467,"problem_id":"abc131_c"},{"id":27429248,"contest_id":"arc109","epoch_second":1637500195,"problem_id":"arc109_b"},{"id":27429808,"contest_id":"abc039","epoch_second":1637500657,"problem_id":"abc039_c"},{"id":27431879,"contest_id":"arc057","epoch_second":1637502314,"problem_id":"arc057_a"},{"id":27439303,"contest_id":"arc007","epoch_second":1637544154,"problem_id":"arc007_2"},{"id":27439330,"contest_id":"diverta2019","epoch_second":1637544377,"problem_id":"diverta2019_b"},{"id":27439372,"contest_id":"arc016","epoch_second":1637544622,"problem_id":"arc016_2"},{"id":27439475,"contest_id":"abc116","epoch_second":1637545399,"problem_id":"abc116_c"},{"id":27439506,"contest_id":"abc109","epoch_second":1637545694,"problem_id":"abc109_c"},{"id":27439607,"contest_id":"yahoo-procon2019-qual","epoch_second":1637546433,"problem_id":"yahoo_procon2019_qual_c"},{"id":27439658,"contest_id":"arc029","epoch_second":1637546804,"problem_id":"arc029_1"},{"id":27439709,"contest_id":"abc066","epoch_second":1637547169,"problem_id":"arc077_a"},{"id":27439761,"contest_id":"arc030","epoch_second":1637547562,"problem_id":"arc030_1"},{"id":27439960,"contest_id":"abc064","epoch_second":1637548706,"problem_id":"abc064_c"},{"id":27440017,"contest_id":"arc044","epoch_second":1637549054,"problem_id":"arc044_a"},{"id":27440090,"contest_id":"abc171","epoch_second":1637549514,"problem_id":"abc171_c"},{"id":27440920,"contest_id":"arc069","epoch_second":1637555932,"problem_id":"arc069_a"},{"id":27440983,"contest_id":"abc189","epoch_second":1637556380,"problem_id":"abc189_c"},{"id":27441102,"contest_id":"abc094","epoch_second":1637557025,"problem_id":"arc095_a"},{"id":27441197,"contest_id":"code-festival-2017-qualb","epoch_second":1637557403,"problem_id":"code_festival_2017_qualb_b"},{"id":27441854,"contest_id":"arc113","epoch_second":1637560663,"problem_id":"arc113_b"},{"id":27442046,"contest_id":"arc093","epoch_second":1637561331,"problem_id":"arc093_a"},{"id":27449409,"contest_id":"arc080","epoch_second":1637591619,"problem_id":"arc080_a"},{"id":27449786,"contest_id":"arc099","epoch_second":1637592876,"problem_id":"arc099_a"},{"id":27449849,"contest_id":"arc056","epoch_second":1637593108,"problem_id":"arc056_a"},{"id":27449902,"contest_id":"abc029","epoch_second":1637593307,"problem_id":"abc029_c"},{"id":27450002,"contest_id":"arc013","epoch_second":1637593706,"problem_id":"arc013_1"},{"id":27454098,"contest_id":"abc131","epoch_second":1637632533,"problem_id":"abc131_d"},{"id":27454157,"contest_id":"arc081","epoch_second":1637632878,"problem_id":"arc081_a"},{"id":27454442,"contest_id":"abc133","epoch_second":1637634371,"problem_id":"abc133_c"},{"id":27454530,"contest_id":"abc082","epoch_second":1637634863,"problem_id":"arc087_a"},{"id":27454649,"contest_id":"abc167","epoch_second":1637635361,"problem_id":"abc167_c"},{"id":27454699,"contest_id":"abc169","epoch_second":1637635564,"problem_id":"abc169_c"},{"id":27457191,"contest_id":"abc137","epoch_second":1637647989,"problem_id":"abc137_c"},{"id":27457446,"contest_id":"abc181","epoch_second":1637648958,"problem_id":"abc181_d"},{"id":27457528,"contest_id":"abc165","epoch_second":1637649252,"problem_id":"abc165_d"},{"id":27457604,"contest_id":"code-formula-2014-qualb","epoch_second":1637649532,"problem_id":"code_formula_2014_qualB_b"},{"id":27457702,"contest_id":"arc014","epoch_second":1637649862,"problem_id":"arc014_2"},{"id":27469766,"contest_id":"arc117","epoch_second":1637729162,"problem_id":"arc117_b"},{"id":27469855,"contest_id":"abc068","epoch_second":1637729768,"problem_id":"arc079_a"},{"id":27469908,"contest_id":"abc158","epoch_second":1637730183,"problem_id":"abc158_d"},{"id":27477825,"contest_id":"agc013","epoch_second":1637768344,"problem_id":"agc013_a"},{"id":27484613,"contest_id":"abc117","epoch_second":1637827826,"problem_id":"abc117_c"},{"id":27490014,"contest_id":"abc010","epoch_second":1637853136,"problem_id":"abc010_3"},{"id":27499142,"contest_id":"agc015","epoch_second":1637931360,"problem_id":"agc015_a"},{"id":27501700,"contest_id":"abc002","epoch_second":1637942493,"problem_id":"abc002_3"},{"id":27505834,"contest_id":"keyence2020","epoch_second":1637984945,"problem_id":"keyence2020_c"},{"id":27505903,"contest_id":"abc130","epoch_second":1637985388,"problem_id":"abc130_c"},{"id":27506061,"contest_id":"arc115","epoch_second":1637986336,"problem_id":"arc115_b"},{"id":27506175,"contest_id":"abc041","epoch_second":1637987047,"problem_id":"abc041_c"},{"id":27513431,"contest_id":"abc229","epoch_second":1638014517,"problem_id":"abc229_a"},{"id":27515053,"contest_id":"abc229","epoch_second":1638014634,"problem_id":"abc229_b"},{"id":27525725,"contest_id":"abc229","epoch_second":1638015457,"problem_id":"abc229_c"},{"id":27538145,"contest_id":"abc229","epoch_second":1638017705,"problem_id":"abc229_d"},{"id":27542190,"contest_id":"abc229","epoch_second":1638018858,"problem_id":"abc229_e"},{"id":27574813,"contest_id":"arc107","epoch_second":1638104753,"problem_id":"arc107_b"},{"id":27580744,"contest_id":"arc098","epoch_second":1638114813,"problem_id":"arc098_a"},{"id":27584344,"contest_id":"arc130","epoch_second":1638154328,"problem_id":"arc130_a"},{"id":27584555,"contest_id":"arc130","epoch_second":1638155665,"problem_id":"arc130_b"},{"id":27584769,"contest_id":"abc126","epoch_second":1638157186,"problem_id":"abc126_c"},{"id":27588780,"contest_id":"code-festival-2014-quala","epoch_second":1638178212,"problem_id":"code_festival_qualA_c"},{"id":27594974,"contest_id":"agc035","epoch_second":1638201926,"problem_id":"agc035_a"},{"id":27605514,"contest_id":"arc115","epoch_second":1638277745,"problem_id":"arc115_a"},{"id":27605591,"contest_id":"abc089","epoch_second":1638278028,"problem_id":"abc089_c"},{"id":27605693,"contest_id":"abc123","epoch_second":1638278366,"problem_id":"abc123_c"},{"id":27605970,"contest_id":"agc028","epoch_second":1638279180,"problem_id":"agc028_a"},{"id":27606061,"contest_id":"code-festival-2015-qualb","epoch_second":1638279490,"problem_id":"codefestival_2015_qualB_c"},{"id":27606138,"contest_id":"abc118","epoch_second":1638279726,"problem_id":"abc118_c"},{"id":27606550,"contest_id":"arc128","epoch_second":1638281022,"problem_id":"arc128_a"},{"id":27606896,"contest_id":"abc187","epoch_second":1638281984,"problem_id":"abc187_d"},{"id":27607302,"contest_id":"abc178","epoch_second":1638283642,"problem_id":"abc178_c"},{"id":27607507,"contest_id":"abc173","epoch_second":1638284410,"problem_id":"abc173_c"},{"id":27618493,"contest_id":"arc110","epoch_second":1638365472,"problem_id":"arc110_b"},{"id":27618841,"contest_id":"abc072","epoch_second":1638366742,"problem_id":"arc082_b"},{"id":27618920,"contest_id":"abc183","epoch_second":1638366991,"problem_id":"abc183_d"},{"id":27619685,"contest_id":"agc034","epoch_second":1638370035,"problem_id":"agc034_a"},{"id":27620249,"contest_id":"m-solutions2020","epoch_second":1638372757,"problem_id":"m_solutions2020_d"},{"id":27623519,"contest_id":"agc015","epoch_second":1638412301,"problem_id":"agc015_b"},{"id":27623562,"contest_id":"code-formula-2014-final","epoch_second":1638412775,"problem_id":"code_formula_2014_final_c"},{"id":27623567,"contest_id":"code-formula-2014-final","epoch_second":1638412840,"problem_id":"code_formula_2014_final_a"},{"id":27623585,"contest_id":"code-formula-2014-final","epoch_second":1638412934,"problem_id":"code_formula_2014_final_b"},{"id":27623631,"contest_id":"abc058","epoch_second":1638413254,"problem_id":"arc071_a"},{"id":27623752,"contest_id":"arc108","epoch_second":1638414160,"problem_id":"arc108_b"},{"id":27624539,"contest_id":"abc065","epoch_second":1638420640,"problem_id":"arc076_a"},{"id":27624638,"contest_id":"code-festival-2014-final","epoch_second":1638421172,"problem_id":"code_festival_final_c"},{"id":27624712,"contest_id":"abc004","epoch_second":1638421577,"problem_id":"abc004_3"},{"id":27644199,"contest_id":"abc230","epoch_second":1638532935,"problem_id":"abc230_a"},{"id":27646055,"contest_id":"abc230","epoch_second":1638533021,"problem_id":"abc230_b"},{"id":27654619,"contest_id":"abc230","epoch_second":1638533872,"problem_id":"abc230_c"},{"id":27658040,"contest_id":"abc230","epoch_second":1638534485,"problem_id":"abc230_d"},{"id":27673804,"contest_id":"abc230","epoch_second":1638540594,"problem_id":"abc230_e"},{"id":27675924,"contest_id":"abc143","epoch_second":1638544544,"problem_id":"abc143_d"},{"id":27676159,"contest_id":"abc166","epoch_second":1638545263,"problem_id":"abc166_d"},{"id":27676213,"contest_id":"abc070","epoch_second":1638545386,"problem_id":"abc070_c"},{"id":27697294,"contest_id":"abc122","epoch_second":1638631410,"problem_id":"abc122_c"},{"id":27726732,"contest_id":"arc131","epoch_second":1638714835,"problem_id":"arc131_a"},{"id":27726790,"contest_id":"arc131","epoch_second":1638714983,"problem_id":"arc131_a"},{"id":27727598,"contest_id":"arc131","epoch_second":1638717422,"problem_id":"arc131_b"},{"id":27734944,"contest_id":"abc182","epoch_second":1638775668,"problem_id":"abc182_d"},{"id":27735018,"contest_id":"panasonic2020","epoch_second":1638775991,"problem_id":"panasonic2020_c"},{"id":27735471,"contest_id":"keyence2019","epoch_second":1638777808,"problem_id":"keyence2019_c"},{"id":27735625,"contest_id":"arc115","epoch_second":1638778513,"problem_id":"arc115_c"},{"id":27735699,"contest_id":"abc067","epoch_second":1638778779,"problem_id":"arc078_a"},{"id":27741812,"contest_id":"arc059","epoch_second":1638801413,"problem_id":"arc059_a"},{"id":27742255,"contest_id":"abc144","epoch_second":1638803001,"problem_id":"abc144_d"},{"id":27746997,"contest_id":"abc218","epoch_second":1638851264,"problem_id":"abc218_d"},{"id":27747188,"contest_id":"zone2021","epoch_second":1638852337,"problem_id":"zone2021_d"},{"id":27747845,"contest_id":"abc149","epoch_second":1638855377,"problem_id":"abc149_d"},{"id":27748080,"contest_id":"abc173","epoch_second":1638856679,"problem_id":"abc173_d"},{"id":27748341,"contest_id":"abc190","epoch_second":1638857972,"problem_id":"abc190_d"},{"id":27750489,"contest_id":"arc129","epoch_second":1638867992,"problem_id":"arc129_a"},{"id":27750753,"contest_id":"arc122","epoch_second":1638869612,"problem_id":"arc122_b"},{"id":27752627,"contest_id":"abc056","epoch_second":1638878292,"problem_id":"arc070_a"},{"id":27753176,"contest_id":"arc068","epoch_second":1638879701,"problem_id":"arc068_a"},{"id":27753248,"contest_id":"jsc2021","epoch_second":1638879911,"problem_id":"jsc2021_d"},{"id":27753321,"contest_id":"abc146","epoch_second":1638880139,"problem_id":"abc146_c"},{"id":27753715,"contest_id":"agc008","epoch_second":1638881343,"problem_id":"agc008_a"},{"id":27753936,"contest_id":"arc114","epoch_second":1638882092,"problem_id":"arc114_a"},{"id":27753965,"contest_id":"arc003","epoch_second":1638882197,"problem_id":"arc003_2"},{"id":27754090,"contest_id":"code-festival-2015-quala","epoch_second":1638882622,"problem_id":"codefestival_2015_qualA_c"},{"id":27754240,"contest_id":"abc180","epoch_second":1638883081,"problem_id":"abc180_d"},{"id":27754715,"contest_id":"abc078","epoch_second":1638884678,"problem_id":"arc085_a"},{"id":27756210,"contest_id":"abc169","epoch_second":1638889833,"problem_id":"abc169_d"},{"id":27762528,"contest_id":"abc033","epoch_second":1638942952,"problem_id":"abc033_c"},{"id":27762753,"contest_id":"abc211","epoch_second":1638944146,"problem_id":"abc211_d"},{"id":27762842,"contest_id":"abc047","epoch_second":1638944503,"problem_id":"arc063_a"},{"id":27763316,"contest_id":"abc167","epoch_second":1638946533,"problem_id":"abc167_d"},{"id":27763538,"contest_id":"abc189","epoch_second":1638947463,"problem_id":"abc189_d"},{"id":27763752,"contest_id":"arc054","epoch_second":1638948357,"problem_id":"arc054_a"},{"id":27771176,"contest_id":"abc177","epoch_second":1638976392,"problem_id":"abc177_d"},{"id":27774822,"contest_id":"abc171","epoch_second":1639017924,"problem_id":"abc171_e"},{"id":27774881,"contest_id":"arc051","epoch_second":1639018350,"problem_id":"arc051_a"},{"id":27774950,"contest_id":"arc008","epoch_second":1639018870,"problem_id":"arc008_2"},{"id":27775019,"contest_id":"agc009","epoch_second":1639019332,"problem_id":"agc009_a"},{"id":27775909,"contest_id":"abc162","epoch_second":1639025478,"problem_id":"abc162_d"},{"id":27776557,"contest_id":"abc184","epoch_second":1639029170,"problem_id":"abc184_c"},{"id":27776645,"contest_id":"agc052","epoch_second":1639029600,"problem_id":"agc052_a"},{"id":27778608,"contest_id":"abc225","epoch_second":1639038322,"problem_id":"abc225_d"},{"id":27778673,"contest_id":"arc002","epoch_second":1639038567,"problem_id":"arc002_2"},{"id":27779436,"contest_id":"caddi2018","epoch_second":1639042444,"problem_id":"caddi2018_a"},{"id":27779515,"contest_id":"dwango2016-prelims","epoch_second":1639042843,"problem_id":"dwango2016qual_b"},{"id":27780190,"contest_id":"agc022","epoch_second":1639045867,"problem_id":"agc022_a"},{"id":27780310,"contest_id":"agc032","epoch_second":1639046381,"problem_id":"agc032_a"},{"id":27784738,"contest_id":"abc129","epoch_second":1639063835,"problem_id":"abc129_c"},{"id":27798512,"contest_id":"arc033","epoch_second":1639148000,"problem_id":"arc033_2"},{"id":27798596,"contest_id":"arc013","epoch_second":1639148413,"problem_id":"arc013_2"},{"id":27802682,"contest_id":"agc016","epoch_second":1639186738,"problem_id":"agc016_a"},{"id":27802825,"contest_id":"cf17-final","epoch_second":1639187441,"problem_id":"cf17_final_b"},{"id":27802878,"contest_id":"agc017","epoch_second":1639187714,"problem_id":"agc017_a"},{"id":27802997,"contest_id":"agc011","epoch_second":1639188409,"problem_id":"agc011_a"},{"id":27803166,"contest_id":"agc007","epoch_second":1639189256,"problem_id":"agc007_a"},{"id":27803243,"contest_id":"agc031","epoch_second":1639189574,"problem_id":"agc031_a"},{"id":27803311,"contest_id":"agc002","epoch_second":1639189869,"problem_id":"agc002_b"},{"id":27803500,"contest_id":"abc128","epoch_second":1639190632,"problem_id":"abc128_c"},{"id":27806283,"contest_id":"abc061","epoch_second":1639200480,"problem_id":"abc061_c"},{"id":27806921,"contest_id":"cf16-final","epoch_second":1639202681,"problem_id":"codefestival_2016_final_b"},{"id":27807567,"contest_id":"code-festival-2017-quala","epoch_second":1639204539,"problem_id":"code_festival_2017_quala_b"},{"id":27809939,"contest_id":"abc111","epoch_second":1639211427,"problem_id":"arc103_a"},{"id":27814263,"contest_id":"abc231","epoch_second":1639224064,"problem_id":"abc231_a"},{"id":27817394,"contest_id":"abc231","epoch_second":1639224164,"problem_id":"abc231_b"},{"id":27820270,"contest_id":"abc231","epoch_second":1639224306,"problem_id":"abc231_c"},{"id":27852921,"contest_id":"abc231","epoch_second":1639230806,"problem_id":"abc231_d"},{"id":27856423,"contest_id":"abc172","epoch_second":1639237327,"problem_id":"abc172_c"},{"id":27876908,"contest_id":"ahc007","epoch_second":1639300733,"problem_id":"ahc007_a"},{"id":27877109,"contest_id":"ahc007","epoch_second":1639301035,"problem_id":"ahc007_a"},{"id":27877313,"contest_id":"ahc007","epoch_second":1639301349,"problem_id":"ahc007_a"},{"id":27878768,"contest_id":"ahc007","epoch_second":1639303615,"problem_id":"ahc007_a"},{"id":27878973,"contest_id":"ahc007","epoch_second":1639303916,"problem_id":"ahc007_a"},{"id":27879442,"contest_id":"ahc007","epoch_second":1639304585,"problem_id":"ahc007_a"},{"id":27880681,"contest_id":"ahc007","epoch_second":1639306130,"problem_id":"ahc007_a"},{"id":27880955,"contest_id":"ahc007","epoch_second":1639306431,"problem_id":"ahc007_a"},{"id":27886493,"contest_id":"abc037","epoch_second":1639323917,"problem_id":"abc037_c"},{"id":27895528,"contest_id":"abc028","epoch_second":1639389852,"problem_id":"abc028_d"},{"id":27900054,"contest_id":"abc015","epoch_second":1639404526,"problem_id":"abc015_3"},{"id":27901475,"contest_id":"abc174","epoch_second":1639409395,"problem_id":"abc174_c"},{"id":27918789,"contest_id":"code-festival-2014-final","epoch_second":1639533470,"problem_id":"code_festival_final_d"},{"id":27918928,"contest_id":"abc057","epoch_second":1639534478,"problem_id":"abc057_c"},{"id":27919064,"contest_id":"abc084","epoch_second":1639535446,"problem_id":"abc084_c"},{"id":27919145,"contest_id":"arc011","epoch_second":1639536069,"problem_id":"arc011_2"},{"id":27919285,"contest_id":"abc138","epoch_second":1639536912,"problem_id":"abc138_d"},{"id":27919359,"contest_id":"diverta2019","epoch_second":1639537489,"problem_id":"diverta2019_c"},{"id":27919491,"contest_id":"abc134","epoch_second":1639538514,"problem_id":"abc134_d"},{"id":27920970,"contest_id":"abc188","epoch_second":1639545744,"problem_id":"abc188_d"},{"id":27921218,"contest_id":"agc043","epoch_second":1639546919,"problem_id":"agc043_a"},{"id":27921555,"contest_id":"ddcc2020-qual","epoch_second":1639548556,"problem_id":"ddcc2020_qual_c"},{"id":27929151,"contest_id":"arc129","epoch_second":1639580400,"problem_id":"arc129_b"},{"id":27932631,"contest_id":"arc106","epoch_second":1639616588,"problem_id":"arc106_b"},{"id":27933136,"contest_id":"arc122","epoch_second":1639620519,"problem_id":"arc122_a"},{"id":27933207,"contest_id":"arc124","epoch_second":1639620991,"problem_id":"arc124_b"},{"id":27933637,"contest_id":"abc136","epoch_second":1639623647,"problem_id":"abc136_d"},{"id":27934630,"contest_id":"code-festival-2016-qualc","epoch_second":1639630359,"problem_id":"codefestival_2016_qualC_b"},{"id":27934869,"contest_id":"agc023","epoch_second":1639631489,"problem_id":"agc023_a"},{"id":27935007,"contest_id":"keyence2020","epoch_second":1639632132,"problem_id":"keyence2020_b"},{"id":27935163,"contest_id":"jsc2019-qual","epoch_second":1639633054,"problem_id":"jsc2019_qual_b"},{"id":27935251,"contest_id":"abc141","epoch_second":1639633450,"problem_id":"abc141_d"},{"id":27937361,"contest_id":"abc076","epoch_second":1639643199,"problem_id":"abc076_c"},{"id":27937527,"contest_id":"abc127","epoch_second":1639644056,"problem_id":"abc127_d"},{"id":27937729,"contest_id":"abc148","epoch_second":1639645026,"problem_id":"abc148_e"},{"id":27938328,"contest_id":"abc130","epoch_second":1639648307,"problem_id":"abc130_d"},{"id":27938477,"contest_id":"abc001","epoch_second":1639649093,"problem_id":"abc001_3"},{"id":27938651,"contest_id":"abc001","epoch_second":1639650078,"problem_id":"abc001_4"},{"id":27938791,"contest_id":"abc002","epoch_second":1639650923,"problem_id":"abc002_4"},{"id":27942632,"contest_id":"abc003","epoch_second":1639667277,"problem_id":"abc003_3"},{"id":27949528,"contest_id":"abc168","epoch_second":1639726714,"problem_id":"abc168_d"},{"id":27949842,"contest_id":"digitalarts2012","epoch_second":1639727797,"problem_id":"digitalarts_1"},{"id":27965325,"contest_id":"abc016","epoch_second":1639815668,"problem_id":"abc016_3"},{"id":27965584,"contest_id":"arc009","epoch_second":1639816380,"problem_id":"arc009_2"},{"id":27966192,"contest_id":"arc113","epoch_second":1639818247,"problem_id":"arc113_c"},{"id":27966783,"contest_id":"abc142","epoch_second":1639819886,"problem_id":"abc142_d"},{"id":27967032,"contest_id":"abc026","epoch_second":1639820995,"problem_id":"abc026_c"},{"id":27971831,"contest_id":"arc042","epoch_second":1639840064,"problem_id":"arc042_a"},{"id":27971951,"contest_id":"arc043","epoch_second":1639840736,"problem_id":"arc043_a"},{"id":27978798,"contest_id":"arc127","epoch_second":1639898137,"problem_id":"arc127_a"},{"id":27978890,"contest_id":"abc011","epoch_second":1639898504,"problem_id":"abc011_3"},{"id":27979013,"contest_id":"arc006","epoch_second":1639898922,"problem_id":"arc006_2"},{"id":27984152,"contest_id":"abc232","epoch_second":1639915256,"problem_id":"abc232_a"},{"id":27990790,"contest_id":"abc232","epoch_second":1639915651,"problem_id":"abc232_b"},{"id":27994637,"contest_id":"abc232","epoch_second":1639916084,"problem_id":"abc232_c"},{"id":27998416,"contest_id":"abc232","epoch_second":1639916580,"problem_id":"abc232_d"},{"id":28005507,"contest_id":"abc232","epoch_second":1639917860,"problem_id":"abc232_e"},{"id":28031374,"contest_id":"abc005","epoch_second":1639987767,"problem_id":"abc005_3"},{"id":28039769,"contest_id":"code-festival-2015-morning-middle","epoch_second":1640018590,"problem_id":"cf_2015_morning_easy_c"},{"id":28045177,"contest_id":"arc001","epoch_second":1640067624,"problem_id":"arc001_2"},{"id":28053681,"contest_id":"joi2022yo1a","epoch_second":1640101036,"problem_id":"joi2022_yo1a_a"},{"id":28068564,"contest_id":"jag2018summer-day2","epoch_second":1640185944,"problem_id":"jag2018summer_day2_a"},{"id":28083250,"contest_id":"arc116","epoch_second":1640273866,"problem_id":"arc116_b"},{"id":28098210,"contest_id":"sumitrust2019","epoch_second":1640359949,"problem_id":"sumitb2019_d"},{"id":28098831,"contest_id":"abc193","epoch_second":1640363325,"problem_id":"abc193_d"},{"id":28105117,"contest_id":"abc113","epoch_second":1640414870,"problem_id":"abc113_c"},{"id":28151448,"contest_id":"abc233","epoch_second":1640442170,"problem_id":"abc233_b"},{"id":28151493,"contest_id":"abc233","epoch_second":1640442233,"problem_id":"abc233_a"},{"id":28151989,"contest_id":"abc233","epoch_second":1640442945,"problem_id":"abc233_c"},{"id":28152560,"contest_id":"abc233","epoch_second":1640444066,"problem_id":"abc233_d"},{"id":28153465,"contest_id":"abc233","epoch_second":1640446206,"problem_id":"abc233_e"},{"id":28181073,"contest_id":"arc111","epoch_second":1640531082,"problem_id":"arc111_a"},{"id":28196758,"contest_id":"arc132","epoch_second":1640617641,"problem_id":"arc132_a"},{"id":28210820,"contest_id":"abc036","epoch_second":1640706315,"problem_id":"abc036_c"},{"id":28225308,"contest_id":"abc052","epoch_second":1640793025,"problem_id":"arc067_a"},{"id":28242719,"contest_id":"abc177","epoch_second":1640878231,"problem_id":"abc177_e"},{"id":28266861,"contest_id":"abc045","epoch_second":1640963960,"problem_id":"arc061_a"},{"id":28282462,"contest_id":"practice2","epoch_second":1641050546,"problem_id":"practice2_g"},{"id":28299332,"contest_id":"abc178","epoch_second":1641139021,"problem_id":"abc178_d"},{"id":28314189,"contest_id":"abc019","epoch_second":1641226536,"problem_id":"abc019_3"},{"id":28327839,"contest_id":"abc031","epoch_second":1641311401,"problem_id":"abc031_c"},{"id":28341122,"contest_id":"typical90","epoch_second":1641395133,"problem_id":"typical90_bi"},{"id":28344929,"contest_id":"bcu30-2018-qual","epoch_second":1641435639,"problem_id":"bcu30_2018_qual_a"},{"id":28345105,"contest_id":"bcu30-2018","epoch_second":1641436776,"problem_id":"bcu30_2018_a"},{"id":28345232,"contest_id":"bcu30-2018","epoch_second":1641437741,"problem_id":"bcu30_2018_b"},{"id":28362081,"contest_id":"diverta2019-2","epoch_second":1641549224,"problem_id":"diverta2019_2_b"},{"id":28379288,"contest_id":"abc234","epoch_second":1641643282,"problem_id":"abc234_a"},{"id":28382265,"contest_id":"abc234","epoch_second":1641643413,"problem_id":"abc234_b"},{"id":28386099,"contest_id":"abc234","epoch_second":1641643627,"problem_id":"abc234_c"},{"id":28396825,"contest_id":"abc234","epoch_second":1641644723,"problem_id":"abc234_d"},{"id":28410919,"contest_id":"abc234","epoch_second":1641647833,"problem_id":"abc234_e"},{"id":28426021,"contest_id":"abc006","epoch_second":1641693377,"problem_id":"abc006_3"},{"id":28444339,"contest_id":"pakencamp-2020-day1","epoch_second":1641781964,"problem_id":"pakencamp_2020_day1_a"},{"id":28444374,"contest_id":"pakencamp-2020-day1","epoch_second":1641782153,"problem_id":"pakencamp_2020_day1_b"},{"id":28456646,"contest_id":"typical90","epoch_second":1641830280,"problem_id":"typical90_bo"},{"id":28469198,"contest_id":"typical90","epoch_second":1641914539,"problem_id":"typical90_bz"},{"id":28483570,"contest_id":"typical90","epoch_second":1642001788,"problem_id":"typical90_g"},{"id":28496760,"contest_id":"typical90","epoch_second":1642087561,"problem_id":"typical90_n"},{"id":28511436,"contest_id":"typical90","epoch_second":1642175179,"problem_id":"typical90_p"},{"id":28526725,"contest_id":"abc235","epoch_second":1642248103,"problem_id":"abc235_a"},{"id":28530784,"contest_id":"abc235","epoch_second":1642248255,"problem_id":"abc235_b"},{"id":28534569,"contest_id":"abc235","epoch_second":1642248417,"problem_id":"abc235_c"},{"id":28558643,"contest_id":"abc235","epoch_second":1642252208,"problem_id":"abc235_d"},{"id":28567989,"contest_id":"abc235","epoch_second":1642256091,"problem_id":"abc235_e"},{"id":28570928,"contest_id":"typical90","epoch_second":1642262352,"problem_id":"typical90_r"},{"id":28590796,"contest_id":"typical90","epoch_second":1642345384,"problem_id":"typical90_t"},{"id":28606614,"contest_id":"typical90","epoch_second":1642431937,"problem_id":"typical90_af"},{"id":28623173,"contest_id":"typical90","epoch_second":1642518792,"problem_id":"typical90_al"},{"id":28638824,"contest_id":"typical90","epoch_second":1642605485,"problem_id":"typical90_ar"},{"id":28652928,"contest_id":"typical90","epoch_second":1642692403,"problem_id":"typical90_at"},{"id":28666683,"contest_id":"typical90","epoch_second":1642778079,"problem_id":"typical90_av"},{"id":28685960,"contest_id":"arc133","epoch_second":1642854123,"problem_id":"arc133_a"},{"id":28694020,"contest_id":"arc133","epoch_second":1642857773,"problem_id":"arc133_c"},{"id":28699769,"contest_id":"typical90","epoch_second":1642864907,"problem_id":"typical90_ax"},{"id":28717486,"contest_id":"abc236","epoch_second":1642939230,"problem_id":"abc236_a"},{"id":28722427,"contest_id":"abc236","epoch_second":1642939380,"problem_id":"abc236_b"},{"id":28725663,"contest_id":"abc236","epoch_second":1642939488,"problem_id":"abc236_c"},{"id":28758375,"contest_id":"abc236","epoch_second":1642945771,"problem_id":"abc236_d"},{"id":28761777,"contest_id":"typical90","epoch_second":1642950127,"problem_id":"typical90_az"},{"id":28782451,"contest_id":"typical90","epoch_second":1643039587,"problem_id":"typical90_bq"},{"id":28798346,"contest_id":"typical90","epoch_second":1643122878,"problem_id":"typical90_bl"},{"id":28814900,"contest_id":"typical90","epoch_second":1643210702,"problem_id":"typical90_bw"},{"id":28830034,"contest_id":"typical90","epoch_second":1643296782,"problem_id":"typical90_bx"},{"id":28845324,"contest_id":"typical90","epoch_second":1643382941,"problem_id":"typical90_ca"},{"id":28869173,"contest_id":"arc134","epoch_second":1643461207,"problem_id":"arc134_a"},{"id":28881651,"contest_id":"typical90","epoch_second":1643469952,"problem_id":"typical90_cd"},{"id":28901649,"contest_id":"abc237","epoch_second":1643544186,"problem_id":"abc237_a"},{"id":28907420,"contest_id":"abc237","epoch_second":1643544521,"problem_id":"abc237_b"},{"id":28925663,"contest_id":"abc237","epoch_second":1643545791,"problem_id":"abc237_d"},{"id":28927110,"contest_id":"abc237","epoch_second":1643545931,"problem_id":"abc237_c"},{"id":28962226,"contest_id":"abc151","epoch_second":1643559315,"problem_id":"abc151_d"},{"id":28980101,"contest_id":"typical90","epoch_second":1643642602,"problem_id":"typical90_cf"},{"id":28996054,"contest_id":"typical90","epoch_second":1643728896,"problem_id":"typical90_a"},{"id":29012775,"contest_id":"typical90","epoch_second":1643814702,"problem_id":"typical90_c"},{"id":29029345,"contest_id":"typical90","epoch_second":1643900626,"problem_id":"typical90_h"},{"id":29046229,"contest_id":"typical90","epoch_second":1643988574,"problem_id":"typical90_l"},{"id":29065669,"contest_id":"abc238","epoch_second":1644062591,"problem_id":"abc238_a"},{"id":29071594,"contest_id":"abc238","epoch_second":1644062888,"problem_id":"abc238_b"},{"id":29075238,"contest_id":"abc238","epoch_second":1644063195,"problem_id":"abc238_c"},{"id":29096704,"contest_id":"abc238","epoch_second":1644067211,"problem_id":"abc238_d"},{"id":29108321,"contest_id":"typical90","epoch_second":1644074194,"problem_id":"typical90_z"},{"id":29133782,"contest_id":"typical90","epoch_second":1644159932,"problem_id":"typical90_ab"},{"id":29151546,"contest_id":"typical90","epoch_second":1644247051,"problem_id":"typical90_ah"},{"id":29169604,"contest_id":"typical90","epoch_second":1644333875,"problem_id":"typical90_ap"},{"id":29187336,"contest_id":"tenka1-2017-beginner","epoch_second":1644422009,"problem_id":"tenka1_2017_c"},{"id":29204399,"contest_id":"typical90","epoch_second":1644506591,"problem_id":"typical90_cg"},{"id":29225220,"contest_id":"typical90","epoch_second":1644594689,"problem_id":"typical90_br"},{"id":29230521,"contest_id":"ahc008","epoch_second":1644635048,"problem_id":"ahc008_a"},{"id":29232785,"contest_id":"ahc008","epoch_second":1644642854,"problem_id":"ahc008_a"},{"id":29233632,"contest_id":"ahc008","epoch_second":1644645580,"problem_id":"ahc008_a"},{"id":29235163,"contest_id":"ahc008","epoch_second":1644649801,"problem_id":"ahc008_a"},{"id":29237659,"contest_id":"ahc008","epoch_second":1644655863,"problem_id":"ahc008_a"},{"id":29245097,"contest_id":"abc238","epoch_second":1644679970,"problem_id":"abc238_e"},{"id":29259853,"contest_id":"loadchecking","epoch_second":1644746478,"problem_id":"loadchecking_a"},{"id":29260086,"contest_id":"loadchecking","epoch_second":1644746532,"problem_id":"loadchecking_a"},{"id":29260458,"contest_id":"loadchecking","epoch_second":1644746588,"problem_id":"loadchecking_a"},{"id":29262033,"contest_id":"loadchecking","epoch_second":1644746759,"problem_id":"loadchecking_a"},{"id":29263633,"contest_id":"loadchecking","epoch_second":1644746894,"problem_id":"loadchecking_a"},{"id":29263969,"contest_id":"loadchecking","epoch_second":1644746920,"problem_id":"loadchecking_a"},{"id":29269063,"contest_id":"loadchecking","epoch_second":1644747306,"problem_id":"loadchecking_a"},{"id":29269498,"contest_id":"loadchecking","epoch_second":1644747341,"problem_id":"loadchecking_a"},{"id":29272747,"contest_id":"loadchecking","epoch_second":1644747589,"problem_id":"loadchecking_a"},{"id":29273445,"contest_id":"loadchecking","epoch_second":1644747641,"problem_id":"loadchecking_a"},{"id":29274556,"contest_id":"loadchecking","epoch_second":1644747723,"problem_id":"loadchecking_a"},{"id":29275040,"contest_id":"loadchecking","epoch_second":1644747761,"problem_id":"loadchecking_a"},{"id":29278534,"contest_id":"loadchecking","epoch_second":1644748036,"problem_id":"loadchecking_a"},{"id":29278796,"contest_id":"loadchecking","epoch_second":1644748056,"problem_id":"loadchecking_a"},{"id":29278935,"contest_id":"loadchecking","epoch_second":1644748066,"problem_id":"loadchecking_a"},{"id":29279065,"contest_id":"loadchecking","epoch_second":1644748077,"problem_id":"loadchecking_a"},{"id":29279222,"contest_id":"loadchecking","epoch_second":1644748088,"problem_id":"loadchecking_a"},{"id":29279367,"contest_id":"loadchecking","epoch_second":1644748098,"problem_id":"loadchecking_a"},{"id":29281828,"contest_id":"loadchecking","epoch_second":1644748295,"problem_id":"loadchecking_a"},{"id":29281961,"contest_id":"loadchecking","epoch_second":1644748306,"problem_id":"loadchecking_a"},{"id":29282860,"contest_id":"loadchecking","epoch_second":1644748380,"problem_id":"loadchecking_a"},{"id":29283435,"contest_id":"loadchecking","epoch_second":1644748430,"problem_id":"loadchecking_a"},{"id":29286801,"contest_id":"loadchecking","epoch_second":1644748747,"problem_id":"loadchecking_a"},{"id":29286941,"contest_id":"loadchecking","epoch_second":1644748764,"problem_id":"loadchecking_a"},{"id":29287140,"contest_id":"loadchecking","epoch_second":1644748785,"problem_id":"loadchecking_a"},{"id":29287286,"contest_id":"loadchecking","epoch_second":1644748799,"problem_id":"loadchecking_a"},{"id":29288882,"contest_id":"loadchecking","epoch_second":1644748976,"problem_id":"loadchecking_a"},{"id":29288970,"contest_id":"loadchecking","epoch_second":1644748986,"problem_id":"loadchecking_a"},{"id":29289136,"contest_id":"loadchecking","epoch_second":1644749007,"problem_id":"loadchecking_a"},{"id":29289236,"contest_id":"loadchecking","epoch_second":1644749018,"problem_id":"loadchecking_a"},{"id":29289400,"contest_id":"loadchecking","epoch_second":1644749038,"problem_id":"loadchecking_a"},{"id":29289490,"contest_id":"loadchecking","epoch_second":1644749048,"problem_id":"loadchecking_a"},{"id":29289663,"contest_id":"loadchecking","epoch_second":1644749067,"problem_id":"loadchecking_a"},{"id":29289741,"contest_id":"loadchecking","epoch_second":1644749077,"problem_id":"loadchecking_a"},{"id":29289926,"contest_id":"loadchecking","epoch_second":1644749096,"problem_id":"loadchecking_a"},{"id":29290026,"contest_id":"loadchecking","epoch_second":1644749106,"problem_id":"loadchecking_a"},{"id":29290179,"contest_id":"loadchecking","epoch_second":1644749123,"problem_id":"loadchecking_a"},{"id":29290264,"contest_id":"loadchecking","epoch_second":1644749134,"problem_id":"loadchecking_a"},{"id":29290447,"contest_id":"loadchecking","epoch_second":1644749155,"problem_id":"loadchecking_a"},{"id":29290552,"contest_id":"loadchecking","epoch_second":1644749165,"problem_id":"loadchecking_a"},{"id":29290704,"contest_id":"loadchecking","epoch_second":1644749182,"problem_id":"loadchecking_a"},{"id":29290804,"contest_id":"loadchecking","epoch_second":1644749192,"problem_id":"loadchecking_a"},{"id":29290957,"contest_id":"loadchecking","epoch_second":1644749210,"problem_id":"loadchecking_a"},{"id":29291032,"contest_id":"loadchecking","epoch_second":1644749220,"problem_id":"loadchecking_a"},{"id":29291152,"contest_id":"loadchecking","epoch_second":1644749234,"problem_id":"loadchecking_a"},{"id":29291253,"contest_id":"loadchecking","epoch_second":1644749244,"problem_id":"loadchecking_a"},{"id":29291399,"contest_id":"loadchecking","epoch_second":1644749261,"problem_id":"loadchecking_a"},{"id":29291494,"contest_id":"loadchecking","epoch_second":1644749271,"problem_id":"loadchecking_a"},{"id":29291652,"contest_id":"loadchecking","epoch_second":1644749289,"problem_id":"loadchecking_a"},{"id":29291748,"contest_id":"loadchecking","epoch_second":1644749299,"problem_id":"loadchecking_a"},{"id":29291910,"contest_id":"loadchecking","epoch_second":1644749318,"problem_id":"loadchecking_a"},{"id":29292014,"contest_id":"loadchecking","epoch_second":1644749329,"problem_id":"loadchecking_a"},{"id":29292161,"contest_id":"loadchecking","epoch_second":1644749347,"problem_id":"loadchecking_a"},{"id":29292284,"contest_id":"loadchecking","epoch_second":1644749359,"problem_id":"loadchecking_a"},{"id":29292451,"contest_id":"loadchecking","epoch_second":1644749378,"problem_id":"loadchecking_a"},{"id":29293203,"contest_id":"loadchecking","epoch_second":1644749464,"problem_id":"loadchecking_a"},{"id":29293346,"contest_id":"loadchecking","epoch_second":1644749480,"problem_id":"loadchecking_a"},{"id":29312713,"contest_id":"arc135","epoch_second":1644758591,"problem_id":"arc135_a"},{"id":29327090,"contest_id":"ahc008","epoch_second":1644806786,"problem_id":"ahc008_a"},{"id":29331706,"contest_id":"abc024","epoch_second":1644825349,"problem_id":"abc024_c"},{"id":29340367,"contest_id":"arc132","epoch_second":1644850822,"problem_id":"arc132_b"},{"id":29362140,"contest_id":"abc145","epoch_second":1644973494,"problem_id":"abc145_d"},{"id":29363392,"contest_id":"ahc008","epoch_second":1644981639,"problem_id":"ahc008_a"},{"id":29364628,"contest_id":"ahc008","epoch_second":1644988658,"problem_id":"ahc008_a"},{"id":29365081,"contest_id":"ahc008","epoch_second":1644990690,"problem_id":"ahc008_a"},{"id":29379866,"contest_id":"typical90","epoch_second":1645060634,"problem_id":"typical90_bf"},{"id":29392313,"contest_id":"typical90","epoch_second":1645111031,"problem_id":"typical90_bk"},{"id":29402343,"contest_id":"ahc008","epoch_second":1645173961,"problem_id":"ahc008_a"},{"id":29402833,"contest_id":"ahc008","epoch_second":1645176039,"problem_id":"ahc008_a"},{"id":29408953,"contest_id":"arc118","epoch_second":1645198589,"problem_id":"arc118_c"},{"id":29426247,"contest_id":"abc239","epoch_second":1645272092,"problem_id":"abc239_a"},{"id":29430022,"contest_id":"abc239","epoch_second":1645272207,"problem_id":"abc239_b"},{"id":29436306,"contest_id":"abc239","epoch_second":1645272500,"problem_id":"abc239_c"},{"id":29440183,"contest_id":"abc239","epoch_second":1645272760,"problem_id":"abc239_d"},{"id":29457821,"contest_id":"abc239","epoch_second":1645274897,"problem_id":"abc239_e"},{"id":29479946,"contest_id":"typical90","epoch_second":1645283775,"problem_id":"typical90_u"},{"id":29502429,"contest_id":"abc240","epoch_second":1645358447,"problem_id":"abc240_a"},{"id":29503455,"contest_id":"abc240","epoch_second":1645358497,"problem_id":"abc240_b"},{"id":29514632,"contest_id":"abc240","epoch_second":1645358853,"problem_id":"abc240_c"},{"id":29521980,"contest_id":"abc240","epoch_second":1645359555,"problem_id":"abc240_d"},{"id":29526024,"contest_id":"abc240","epoch_second":1645360142,"problem_id":"abc240_e"},{"id":29538063,"contest_id":"abc240","epoch_second":1645362536,"problem_id":"abc240_f"},{"id":29551433,"contest_id":"abc184","epoch_second":1645369351,"problem_id":"abc184_d"},{"id":29573216,"contest_id":"nikkei2019-2-qual","epoch_second":1645457051,"problem_id":"nikkei2019_2_qual_b"},{"id":29591393,"contest_id":"pakencamp-2019-day4","epoch_second":1645542969,"problem_id":"pakencamp_2019_day4_a"},{"id":29609087,"contest_id":"ahc008","epoch_second":1645624162,"problem_id":"ahc008_a"},{"id":29610597,"contest_id":"pakencamp-2019-day3","epoch_second":1645628658,"problem_id":"pakencamp_2019_day3_a"},{"id":29627513,"contest_id":"math-and-algorithm","epoch_second":1645717664,"problem_id":"math_and_algorithm_a"},{"id":29652366,"contest_id":"ahc008","epoch_second":1645856805,"problem_id":"ahc008_a"},{"id":29660472,"contest_id":"abc241","epoch_second":1645876871,"problem_id":"abc241_a"},{"id":29664325,"contest_id":"abc241","epoch_second":1645877021,"problem_id":"abc241_b"},{"id":29671019,"contest_id":"abc241","epoch_second":1645877391,"problem_id":"abc241_c"},{"id":29703865,"contest_id":"abc241","epoch_second":1645881959,"problem_id":"abc241_d"},{"id":29717648,"contest_id":"past201912-open","epoch_second":1645888568,"problem_id":"past201912_a"},{"id":29758673,"contest_id":"arc136","epoch_second":1645972194,"problem_id":"arc136_a"},{"id":29759791,"contest_id":"abc052","epoch_second":1645974694,"problem_id":"arc067_b"},{"id":29782358,"contest_id":"agc038","epoch_second":1646097695,"problem_id":"agc038_a"},{"id":29796882,"contest_id":"iroha2019-day1","epoch_second":1646148558,"problem_id":"iroha2019_day1_a"},{"id":29813899,"contest_id":"iroha2019-day1","epoch_second":1646234004,"problem_id":"iroha2019_day1_b"},{"id":29830959,"contest_id":"iroha2019-day1","epoch_second":1646321744,"problem_id":"iroha2019_day1_c"},{"id":29846994,"contest_id":"past201912-open","epoch_second":1646406851,"problem_id":"past201912_d"},{"id":29863551,"contest_id":"abc242","epoch_second":1646481738,"problem_id":"abc242_a"},{"id":29864244,"contest_id":"abc242","epoch_second":1646481778,"problem_id":"abc242_b"},{"id":29870354,"contest_id":"abc242","epoch_second":1646482024,"problem_id":"abc242_c"},{"id":29904406,"contest_id":"past201912-open","epoch_second":1646494063,"problem_id":"past201912_e"},{"id":29926714,"contest_id":"past201912-open","epoch_second":1646578806,"problem_id":"past201912_f"},{"id":29943899,"contest_id":"past201912-open","epoch_second":1646666798,"problem_id":"past201912_g"},{"id":29961232,"contest_id":"past201912-open","epoch_second":1646754380,"problem_id":"past201912_h"},{"id":29976127,"contest_id":"past201912-open","epoch_second":1646838002,"problem_id":"past201912_i"},{"id":29993146,"contest_id":"past202004-open","epoch_second":1646925587,"problem_id":"past202004_a"},{"id":30010011,"contest_id":"past202004-open","epoch_second":1647010803,"problem_id":"past202004_b"},{"id":30026319,"contest_id":"abc243","epoch_second":1647086513,"problem_id":"abc243_a"},{"id":30027533,"contest_id":"abc243","epoch_second":1647086590,"problem_id":"abc243_b"},{"id":30037136,"contest_id":"abc243","epoch_second":1647087089,"problem_id":"abc243_c"},{"id":30044659,"contest_id":"abc243","epoch_second":1647087720,"problem_id":"abc243_d"},{"id":30085471,"contest_id":"abc243","epoch_second":1647097320,"problem_id":"abc243_e"},{"id":30093541,"contest_id":"abc243","epoch_second":1647136710,"problem_id":"abc243_e"},{"id":30112754,"contest_id":"past202004-open","epoch_second":1647184139,"problem_id":"past202004_c"},{"id":30133944,"contest_id":"past202004-open","epoch_second":1647273510,"problem_id":"past202004_d"},{"id":30150263,"contest_id":"jag2017autumn","epoch_second":1647349861,"problem_id":"jag2017autumn_a"},{"id":30151261,"contest_id":"jag2017autumn","epoch_second":1647352249,"problem_id":"jag2017autumn_b"},{"id":30152172,"contest_id":"jag2017summer-day3","epoch_second":1647354130,"problem_id":"jag2017summer_day3_a"},{"id":30153204,"contest_id":"past202004-open","epoch_second":1647356402,"problem_id":"past202004_e"},{"id":30173584,"contest_id":"past202004-open","epoch_second":1647446585,"problem_id":"past202004_f"},{"id":30192200,"contest_id":"past202004-open","epoch_second":1647532554,"problem_id":"past202004_g"},{"id":30210776,"contest_id":"past202005-open","epoch_second":1647616141,"problem_id":"past202005_a"},{"id":30239331,"contest_id":"arc137","epoch_second":1647694889,"problem_id":"arc137_a"},{"id":30240507,"contest_id":"arc137","epoch_second":1647695403,"problem_id":"arc137_c"},{"id":30244165,"contest_id":"arc137","epoch_second":1647697229,"problem_id":"arc137_b"},{"id":30249707,"contest_id":"past202010-open","epoch_second":1647704462,"problem_id":"past202010_a"},{"id":30266628,"contest_id":"abc244","epoch_second":1647777627,"problem_id":"abc244_a"},{"id":30271381,"contest_id":"abc244","epoch_second":1647777797,"problem_id":"abc244_b"},{"id":30274260,"contest_id":"abc244","epoch_second":1647777999,"problem_id":"abc244_c"},{"id":30279668,"contest_id":"abc244","epoch_second":1647778470,"problem_id":"abc244_d"},{"id":30299494,"contest_id":"abc244","epoch_second":1647781642,"problem_id":"abc244_e"},{"id":30309860,"contest_id":"abc244","epoch_second":1647788137,"problem_id":"abc244_f"},{"id":30310027,"contest_id":"past202012-open","epoch_second":1647788407,"problem_id":"past202012_a"},{"id":30334799,"contest_id":"past202104-open","epoch_second":1647876971,"problem_id":"past202104_a"},{"id":30354034,"contest_id":"past202107-open","epoch_second":1647961112,"problem_id":"past202107_a"},{"id":30354072,"contest_id":"past202109-open","epoch_second":1647961203,"problem_id":"past202109_a"},{"id":30371617,"contest_id":"past202112-open","epoch_second":1648048128,"problem_id":"past202112_a"},{"id":30384089,"contest_id":"abc019","epoch_second":1648119255,"problem_id":"abc019_4"},{"id":30389327,"contest_id":"past202112-open","epoch_second":1648134030,"problem_id":"past202112_b"},{"id":30405371,"contest_id":"past202109-open","epoch_second":1648220500,"problem_id":"past202109_b"},{"id":30413344,"contest_id":"ahc009","epoch_second":1648275436,"problem_id":"ahc009_a"},{"id":30415424,"contest_id":"ahc009","epoch_second":1648279227,"problem_id":"ahc009_a"},{"id":30416384,"contest_id":"ahc009","epoch_second":1648280592,"problem_id":"ahc009_a"},{"id":30417937,"contest_id":"ahc009","epoch_second":1648282600,"problem_id":"ahc009_a"},{"id":30418658,"contest_id":"ahc009","epoch_second":1648283524,"problem_id":"ahc009_a"},{"id":30420155,"contest_id":"ahc009","epoch_second":1648285316,"problem_id":"ahc009_a"},{"id":30420427,"contest_id":"ahc009","epoch_second":1648285616,"problem_id":"ahc009_a"},{"id":30421330,"contest_id":"ahc009","epoch_second":1648286620,"problem_id":"ahc009_a"},{"id":30422230,"contest_id":"ahc009","epoch_second":1648287559,"problem_id":"ahc009_a"},{"id":30422623,"contest_id":"ahc009","epoch_second":1648287946,"problem_id":"ahc009_a"},{"id":30423048,"contest_id":"ahc009","epoch_second":1648288292,"problem_id":"ahc009_a"},{"id":30426479,"contest_id":"abc245","epoch_second":1648296060,"problem_id":"abc245_a"},{"id":30426890,"contest_id":"abc245","epoch_second":1648296107,"problem_id":"abc245_b"},{"id":30438282,"contest_id":"abc245","epoch_second":1648296545,"problem_id":"abc245_c"},{"id":30468295,"contest_id":"abc245","epoch_second":1648300017,"problem_id":"abc245_d"},{"id":30487649,"contest_id":"past202107-open","epoch_second":1648307611,"problem_id":"past202107_b"},{"id":30496091,"contest_id":"ahc009","epoch_second":1648346672,"problem_id":"ahc009_a"},{"id":30496175,"contest_id":"ahc009","epoch_second":1648346986,"problem_id":"ahc009_a"},{"id":30515363,"contest_id":"past202104-open","epoch_second":1648393350,"problem_id":"past202104_b"},{"id":30521148,"contest_id":"pakencamp-2021-day2","epoch_second":1648430267,"problem_id":"pakencamp_2021_day2_a"},{"id":30521167,"contest_id":"pakencamp-2021-day2","epoch_second":1648430340,"problem_id":"pakencamp_2021_day2_b"},{"id":30521208,"contest_id":"pakencamp-2021-day2","epoch_second":1648430469,"problem_id":"pakencamp_2021_day2_c"},{"id":30521369,"contest_id":"pakencamp-2021-day2","epoch_second":1648431056,"problem_id":"pakencamp_2021_day2_d"},{"id":30521635,"contest_id":"pakencamp-2021-day2","epoch_second":1648431960,"problem_id":"pakencamp_2021_day2_e"},{"id":30521852,"contest_id":"pakencamp-2021-day2","epoch_second":1648432635,"problem_id":"pakencamp_2021_day2_f"},{"id":30522167,"contest_id":"pakencamp-2021-day2","epoch_second":1648433707,"problem_id":"pakencamp_2021_day2_g"},{"id":30522915,"contest_id":"pakencamp-2021-day2","epoch_second":1648436316,"problem_id":"pakencamp_2021_day2_h"},{"id":30536382,"contest_id":"past202012-open","epoch_second":1648479955,"problem_id":"past202012_b"},{"id":30544756,"contest_id":"pakencamp-2021-day3","epoch_second":1648534655,"problem_id":"pakencamp_2021_day3_a"},{"id":30544848,"contest_id":"pakencamp-2021-day3","epoch_second":1648534952,"problem_id":"pakencamp_2021_day3_b"},{"id":30555484,"contest_id":"past202010-open","epoch_second":1648566319,"problem_id":"past202010_b"},{"id":30561166,"contest_id":"intro-heuristics","epoch_second":1648605427,"problem_id":"intro_heuristics_b"},{"id":30561278,"contest_id":"intro-heuristics","epoch_second":1648605890,"problem_id":"intro_heuristics_c"},{"id":30561845,"contest_id":"intro-heuristics","epoch_second":1648608096,"problem_id":"intro_heuristics_a"},{"id":30561954,"contest_id":"intro-heuristics","epoch_second":1648608608,"problem_id":"intro_heuristics_a"},{"id":30562081,"contest_id":"intro-heuristics","epoch_second":1648609236,"problem_id":"intro_heuristics_a"},{"id":30562185,"contest_id":"intro-heuristics","epoch_second":1648609815,"problem_id":"intro_heuristics_a"},{"id":30562347,"contest_id":"intro-heuristics","epoch_second":1648610593,"problem_id":"intro_heuristics_a"},{"id":30562599,"contest_id":"intro-heuristics","epoch_second":1648611714,"problem_id":"intro_heuristics_a"},{"id":30562653,"contest_id":"intro-heuristics","epoch_second":1648612132,"problem_id":"intro_heuristics_a"},{"id":30576926,"contest_id":"past202005-open","epoch_second":1648655382,"problem_id":"past202005_b"},{"id":30594323,"contest_id":"past202005-open","epoch_second":1648739020,"problem_id":"past202005_c"},{"id":30600294,"contest_id":"chokudai004","epoch_second":1648777647,"problem_id":"chokudai004_a"},{"id":30600436,"contest_id":"chokudai004","epoch_second":1648778781,"problem_id":"chokudai004_a"},{"id":30600490,"contest_id":"chokudai004","epoch_second":1648779130,"problem_id":"chokudai004_a"},{"id":30600603,"contest_id":"chokudai004","epoch_second":1648780000,"problem_id":"chokudai004_a"},{"id":30611278,"contest_id":"past202010-open","epoch_second":1648825743,"problem_id":"past202010_c"},{"id":30634682,"contest_id":"abc246","epoch_second":1648901454,"problem_id":"abc246_a"},{"id":30636430,"contest_id":"abc246","epoch_second":1648901590,"problem_id":"abc246_b"},{"id":30642412,"contest_id":"abc246","epoch_second":1648902178,"problem_id":"abc246_c"},{"id":30649179,"contest_id":"abc246","epoch_second":1648903101,"problem_id":"abc246_d"},{"id":30684660,"contest_id":"past202012-open","epoch_second":1648945441,"problem_id":"past202012_c"},{"id":30684739,"contest_id":"past202012-open","epoch_second":1648945920,"problem_id":"past202012_c"},{"id":30707584,"contest_id":"past202104-open","epoch_second":1648999205,"problem_id":"past202104_c"},{"id":30726379,"contest_id":"past202107-open","epoch_second":1649085234,"problem_id":"past202107_c"},{"id":30743512,"contest_id":"past202109-open","epoch_second":1649171246,"problem_id":"past202109_c"},{"id":30761838,"contest_id":"past202112-open","epoch_second":1649258765,"problem_id":"past202112_c"},{"id":30778965,"contest_id":"past202005-open","epoch_second":1649345554,"problem_id":"past202005_d"},{"id":30794543,"contest_id":"past202010-open","epoch_second":1649430788,"problem_id":"past202010_d"},{"id":30816416,"contest_id":"arc138","epoch_second":1649508846,"problem_id":"arc138_a"},{"id":30828974,"contest_id":"arc138","epoch_second":1649516475,"problem_id":"arc138_b"},{"id":30846741,"contest_id":"abc247","epoch_second":1649592052,"problem_id":"abc247_a"},{"id":30858970,"contest_id":"abc247","epoch_second":1649592893,"problem_id":"abc247_c"},{"id":30861323,"contest_id":"abc247","epoch_second":1649593095,"problem_id":"abc247_d"},{"id":30868200,"contest_id":"abc247","epoch_second":1649593801,"problem_id":"abc247_b"},{"id":30896411,"contest_id":"abc247","epoch_second":1649602889,"problem_id":"abc247_e"},{"id":30915891,"contest_id":"abc172","epoch_second":1649685450,"problem_id":"abc172_d"},{"id":30917415,"contest_id":"past202012-open","epoch_second":1649689341,"problem_id":"past202012_d"},{"id":30934922,"contest_id":"past202104-open","epoch_second":1649776846,"problem_id":"past202104_d"},{"id":30940320,"contest_id":"math-and-algorithm","epoch_second":1649819953,"problem_id":"math_and_algorithm_b"},{"id":30940329,"contest_id":"math-and-algorithm","epoch_second":1649819996,"problem_id":"math_and_algorithm_c"},{"id":30940334,"contest_id":"math-and-algorithm","epoch_second":1649820031,"problem_id":"math_and_algorithm_d"},{"id":30940348,"contest_id":"math-and-algorithm","epoch_second":1649820103,"problem_id":"math_and_algorithm_e"},{"id":30940354,"contest_id":"math-and-algorithm","epoch_second":1649820139,"problem_id":"math_and_algorithm_f"},{"id":30940367,"contest_id":"math-and-algorithm","epoch_second":1649820219,"problem_id":"math_and_algorithm_g"},{"id":30940386,"contest_id":"math-and-algorithm","epoch_second":1649820366,"problem_id":"math_and_algorithm_h"},{"id":30940446,"contest_id":"math-and-algorithm","epoch_second":1649820689,"problem_id":"math_and_algorithm_i"},{"id":30940462,"contest_id":"math-and-algorithm","epoch_second":1649820778,"problem_id":"math_and_algorithm_j"},{"id":30940512,"contest_id":"math-and-algorithm","epoch_second":1649821039,"problem_id":"math_and_algorithm_k"},{"id":30940544,"contest_id":"math-and-algorithm","epoch_second":1649821223,"problem_id":"math_and_algorithm_l"},{"id":30940592,"contest_id":"math-and-algorithm","epoch_second":1649821408,"problem_id":"math_and_algorithm_m"},{"id":30951532,"contest_id":"past202107-open","epoch_second":1649862283,"problem_id":"past202107_d"},{"id":30954576,"contest_id":"math-and-algorithm","epoch_second":1649896445,"problem_id":"math_and_algorithm_n"},{"id":30954588,"contest_id":"math-and-algorithm","epoch_second":1649896508,"problem_id":"math_and_algorithm_o"},{"id":30954638,"contest_id":"math-and-algorithm","epoch_second":1649896848,"problem_id":"math_and_algorithm_p"},{"id":30954653,"contest_id":"math-and-algorithm","epoch_second":1649896912,"problem_id":"math_and_algorithm_q"},{"id":30954682,"contest_id":"math-and-algorithm","epoch_second":1649897076,"problem_id":"math_and_algorithm_r"},{"id":30954708,"contest_id":"math-and-algorithm","epoch_second":1649897241,"problem_id":"math_and_algorithm_s"},{"id":30954878,"contest_id":"math-and-algorithm","epoch_second":1649898242,"problem_id":"math_and_algorithm_t"},{"id":30954927,"contest_id":"math-and-algorithm","epoch_second":1649898514,"problem_id":"math_and_algorithm_u"},{"id":30955114,"contest_id":"math-and-algorithm","epoch_second":1649899730,"problem_id":"math_and_algorithm_v"},{"id":30955137,"contest_id":"math-and-algorithm","epoch_second":1649899847,"problem_id":"math_and_algorithm_w"},{"id":30955145,"contest_id":"math-and-algorithm","epoch_second":1649899941,"problem_id":"math_and_algorithm_x"},{"id":30955173,"contest_id":"math-and-algorithm","epoch_second":1649900100,"problem_id":"math_and_algorithm_y"},{"id":30955784,"contest_id":"math-and-algorithm","epoch_second":1649903827,"problem_id":"math_and_algorithm_z"},{"id":30955847,"contest_id":"math-and-algorithm","epoch_second":1649904113,"problem_id":"math_and_algorithm_aa"},{"id":30955909,"contest_id":"math-and-algorithm","epoch_second":1649904414,"problem_id":"dp_a"},{"id":30959872,"contest_id":"math-and-algorithm","epoch_second":1649920763,"problem_id":"math_and_algorithm_ab"},{"id":30960325,"contest_id":"math-and-algorithm","epoch_second":1649922142,"problem_id":"dp_d"},{"id":30960640,"contest_id":"math-and-algorithm","epoch_second":1649922936,"problem_id":"math_and_algorithm_ac"},{"id":30960728,"contest_id":"math-and-algorithm","epoch_second":1649923133,"problem_id":"math_and_algorithm_ad"},{"id":30972926,"contest_id":"past202109-open","epoch_second":1649985616,"problem_id":"past202109_d"},{"id":31002994,"contest_id":"abc248","epoch_second":1650110473,"problem_id":"abc248_a"},{"id":31007235,"contest_id":"abc248","epoch_second":1650110613,"problem_id":"abc248_b"},{"id":31015478,"contest_id":"abc248","epoch_second":1650111096,"problem_id":"abc248_c"},{"id":31019340,"contest_id":"abc248","epoch_second":1650111520,"problem_id":"abc248_d"},{"id":31035053,"contest_id":"abc248","epoch_second":1650114515,"problem_id":"abc248_e"},{"id":31062646,"contest_id":"past202112-open","epoch_second":1650183364,"problem_id":"past202112_d"},{"id":31071078,"contest_id":"past202005-open","epoch_second":1650208881,"problem_id":"past202005_e"},{"id":31088987,"contest_id":"past202010-open","epoch_second":1650295387,"problem_id":"past202010_e"},{"id":31105629,"contest_id":"past202104-open","epoch_second":1650382231,"problem_id":"past202104_e"},{"id":31122750,"contest_id":"past202107-open","epoch_second":1650472123,"problem_id":"past202107_e"},{"id":31148869,"contest_id":"past202109-open","epoch_second":1650609392,"problem_id":"past202109_e"},{"id":31160100,"contest_id":"past202112-open","epoch_second":1650644802,"problem_id":"past202112_e"},{"id":31176779,"contest_id":"abc249","epoch_second":1650715657,"problem_id":"abc249_a"},{"id":31178079,"contest_id":"abc249","epoch_second":1650715767,"problem_id":"abc249_b"},{"id":31180274,"contest_id":"abc249","epoch_second":1650715932,"problem_id":"abc249_c"},{"id":31188842,"contest_id":"abc249","epoch_second":1650716723,"problem_id":"abc249_d"},{"id":31215762,"contest_id":"past202012-open","epoch_second":1650728547,"problem_id":"past202012_e"},{"id":31225585,"contest_id":"ahc010","epoch_second":1650780352,"problem_id":"ahc010_a"},{"id":31226400,"contest_id":"ahc010","epoch_second":1650782219,"problem_id":"ahc010_a"},{"id":31227782,"contest_id":"ahc010","epoch_second":1650784999,"problem_id":"ahc010_a"},{"id":31228124,"contest_id":"ahc010","epoch_second":1650785631,"problem_id":"ahc010_a"},{"id":31228547,"contest_id":"ahc010","epoch_second":1650786380,"problem_id":"ahc010_a"},{"id":31229296,"contest_id":"ahc010","epoch_second":1650787582,"problem_id":"ahc010_a"},{"id":31230437,"contest_id":"ahc010","epoch_second":1650789339,"problem_id":"ahc010_a"},{"id":31230735,"contest_id":"ahc010","epoch_second":1650789821,"problem_id":"ahc010_a"},{"id":31231096,"contest_id":"ahc010","epoch_second":1650790369,"problem_id":"ahc010_a"},{"id":31231461,"contest_id":"ahc010","epoch_second":1650790918,"problem_id":"ahc010_a"},{"id":31231679,"contest_id":"ahc010","epoch_second":1650791272,"problem_id":"ahc010_a"},{"id":31233508,"contest_id":"ahc010","epoch_second":1650793800,"problem_id":"ahc010_a"},{"id":31233871,"contest_id":"ahc010","epoch_second":1650794173,"problem_id":"ahc010_a"},{"id":31250474,"contest_id":"past202005-open","epoch_second":1650814591,"problem_id":"past202005_f"},{"id":31256919,"contest_id":"abc125","epoch_second":1650858045,"problem_id":"abc125_c"},{"id":31259217,"contest_id":"abc014","epoch_second":1650866272,"problem_id":"abc014_3"},{"id":31259418,"contest_id":"abc035","epoch_second":1650866902,"problem_id":"abc035_c"},{"id":31259549,"contest_id":"abc038","epoch_second":1650867351,"problem_id":"abc038_c"},{"id":31259681,"contest_id":"abc040","epoch_second":1650867821,"problem_id":"abc040_c"},{"id":31260937,"contest_id":"abc030","epoch_second":1650870649,"problem_id":"abc030_c"},{"id":31270555,"contest_id":"past202010-open","epoch_second":1650900138,"problem_id":"past202010_f"},{"id":31284171,"contest_id":"APG4b","epoch_second":1650966702,"problem_id":"APG4b_a"},{"id":31291409,"contest_id":"past202012-open","epoch_second":1650988453,"problem_id":"past202012_f"},{"id":31310388,"contest_id":"past202104-open","epoch_second":1651076701,"problem_id":"past202104_f"},{"id":31329219,"contest_id":"past202107-open","epoch_second":1651164939,"problem_id":"past202107_f"},{"id":31336311,"contest_id":"dp","epoch_second":1651208835,"problem_id":"dp_b"},{"id":31354497,"contest_id":"past202109-open","epoch_second":1651286245,"problem_id":"past202109_f"},{"id":31368643,"contest_id":"past202112-open","epoch_second":1651332217,"problem_id":"past202112_f"},{"id":31387375,"contest_id":"past202005-open","epoch_second":1651422323,"problem_id":"past202005_g"},{"id":31404529,"contest_id":"past202010-open","epoch_second":1651508280,"problem_id":"past202010_g"},{"id":31409729,"contest_id":"nadafes2022_day1","epoch_second":1651550804,"problem_id":"nadafes2022_day1_a"},{"id":31410416,"contest_id":"nadafes2022_day1","epoch_second":1651552424,"problem_id":"nadafes2022_day1_b"},{"id":31421304,"contest_id":"past202012-open","epoch_second":1651590034,"problem_id":"past202012_g"},{"id":31441149,"contest_id":"past202104-open","epoch_second":1651680853,"problem_id":"past202104_g"},{"id":31458066,"contest_id":"past202107-open","epoch_second":1651764558,"problem_id":"past202107_g"},{"id":31496418,"contest_id":"joi2022yo1b","epoch_second":1651934418,"problem_id":"joi2022_yo1b_a"},{"id":31497504,"contest_id":"past202112-open","epoch_second":1651935606,"problem_id":"past202112_g"},{"id":31514089,"contest_id":"abc250","epoch_second":1652011274,"problem_id":"abc250_a"},{"id":31517712,"contest_id":"abc250","epoch_second":1652011594,"problem_id":"abc250_b"},{"id":31520482,"contest_id":"abc250","epoch_second":1652011862,"problem_id":"abc250_c"},{"id":31528672,"contest_id":"abc250","epoch_second":1652012964,"problem_id":"abc250_d"},{"id":31534510,"contest_id":"abc250","epoch_second":1652014099,"problem_id":"abc250_e"},{"id":31554047,"contest_id":"past202109-open","epoch_second":1652022996,"problem_id":"past202109_g"},{"id":31572306,"contest_id":"abc167","epoch_second":1652102888,"problem_id":"abc167_b"},{"id":31575016,"contest_id":"abc099","epoch_second":1652111448,"problem_id":"abc099_c"},{"id":31592403,"contest_id":"abc107","epoch_second":1652196509,"problem_id":"arc101_a"},{"id":31608741,"contest_id":"judge-update-202004","epoch_second":1652282388,"problem_id":"judge_update_202004_a"},{"id":31625316,"contest_id":"joi2022yo1c","epoch_second":1652369443,"problem_id":"joi2022_yo1c_a"},{"id":31648713,"contest_id":"abc112","epoch_second":1652512053,"problem_id":"abc112_c"},{"id":31654180,"contest_id":"abc251","epoch_second":1652529644,"problem_id":"abc251_a"},{"id":31668351,"contest_id":"abc251","epoch_second":1652530719,"problem_id":"abc251_c"},{"id":31669165,"contest_id":"abc251","epoch_second":1652530829,"problem_id":"abc251_b"},{"id":31682379,"contest_id":"abc251","epoch_second":1652533429,"problem_id":"abc251_d"},{"id":31697858,"contest_id":"abc251","epoch_second":1652543000,"problem_id":"abc251_e"},{"id":31732789,"contest_id":"abc110","epoch_second":1652630060,"problem_id":"abc110_c"},{"id":31751959,"contest_id":"caddi2018b","epoch_second":1652714504,"problem_id":"caddi2018_b"},{"id":31769777,"contest_id":"joi2021yo1c","epoch_second":1652800966,"problem_id":"joi2021_yo1c_a"},{"id":31782491,"contest_id":"APG4b","epoch_second":1652870989,"problem_id":"APG4b_cm"},{"id":31787289,"contest_id":"abc170","epoch_second":1652886706,"problem_id":"abc170_d"},{"id":31803337,"contest_id":"iroha2019-day3","epoch_second":1652972410,"problem_id":"iroha2019_day3_j"},{"id":31832567,"contest_id":"abc252","epoch_second":1653134427,"problem_id":"abc252_a"},{"id":31837746,"contest_id":"abc252","epoch_second":1653134584,"problem_id":"abc252_b"},{"id":31846892,"contest_id":"abc252","epoch_second":1653135209,"problem_id":"abc252_c"},{"id":31859625,"contest_id":"abc252","epoch_second":1653137022,"problem_id":"abc252_d"},{"id":31869722,"contest_id":"abc252","epoch_second":1653139112,"problem_id":"abc252_e"},{"id":31881554,"contest_id":"abc252","epoch_second":1653145666,"problem_id":"abc252_f"},{"id":31902212,"contest_id":"abc252","epoch_second":1653227702,"problem_id":"abc252_e"},{"id":31903933,"contest_id":"arc139","epoch_second":1653233805,"problem_id":"arc139_a"},{"id":31921952,"contest_id":"arc140","epoch_second":1653318846,"problem_id":"arc140_a"},{"id":31937906,"contest_id":"abc204","epoch_second":1653404788,"problem_id":"abc204_d"},{"id":31953661,"contest_id":"agc005","epoch_second":1653493799,"problem_id":"agc005_a"},{"id":31971079,"contest_id":"arc112","epoch_second":1653614389,"problem_id":"arc112_b"},{"id":31996384,"contest_id":"ahc011","epoch_second":1653737741,"problem_id":"ahc011_a"},{"id":32019472,"contest_id":"abc253","epoch_second":1653740519,"problem_id":"abc253_a"},{"id":32020706,"contest_id":"abc253","epoch_second":1653740635,"problem_id":"abc253_b"},{"id":32022253,"contest_id":"abc253","epoch_second":1653740786,"problem_id":"abc253_c"},{"id":32056393,"contest_id":"abc253","epoch_second":1653745315,"problem_id":"abc253_d"},{"id":32056983,"contest_id":"abc253","epoch_second":1653745494,"problem_id":"abc253_e"},{"id":32061993,"contest_id":"ahc011","epoch_second":1653748726,"problem_id":"ahc011_a"},{"id":32064948,"contest_id":"ahc011","epoch_second":1653754531,"problem_id":"ahc011_a"},{"id":32095984,"contest_id":"pakencamp-2019-day3","epoch_second":1653835594,"problem_id":"pakencamp_2019_day3_b"},{"id":32097202,"contest_id":"njpc2017","epoch_second":1653839488,"problem_id":"njpc2017_a"},{"id":32116428,"contest_id":"ahc011","epoch_second":1653926300,"problem_id":"ahc011_a"},{"id":32124240,"contest_id":"ahc011","epoch_second":1653979046,"problem_id":"ahc011_a"},{"id":32125717,"contest_id":"ahc011","epoch_second":1653984331,"problem_id":"ahc011_a"},{"id":32127823,"contest_id":"ahc011","epoch_second":1653992182,"problem_id":"ahc011_a"},{"id":32128301,"contest_id":"ahc011","epoch_second":1653993982,"problem_id":"ahc011_a"},{"id":32128792,"contest_id":"ahc011","epoch_second":1653995789,"problem_id":"ahc011_a"},{"id":32129329,"contest_id":"ahc011","epoch_second":1653997620,"problem_id":"ahc011_a"},{"id":32133298,"contest_id":"chokudai002","epoch_second":1654009162,"problem_id":"chokudai002_a"},{"id":32133448,"contest_id":"typical90","epoch_second":1654009682,"problem_id":"typical90_ad"},{"id":32138264,"contest_id":"ahc011","epoch_second":1654054071,"problem_id":"ahc011_a"},{"id":32138546,"contest_id":"ahc011","epoch_second":1654055871,"problem_id":"ahc011_a"},{"id":32139427,"contest_id":"ahc011","epoch_second":1654059275,"problem_id":"ahc011_a"},{"id":32145068,"contest_id":"ahc011","epoch_second":1654082348,"problem_id":"ahc011_a"},{"id":32148436,"contest_id":"ahc011","epoch_second":1654093594,"problem_id":"ahc011_a"},{"id":32150005,"contest_id":"tricky","epoch_second":1654100448,"problem_id":"tricky_1"},{"id":32153922,"contest_id":"ahc011","epoch_second":1654138336,"problem_id":"ahc011_a"},{"id":32166105,"contest_id":"arc051","epoch_second":1654182248,"problem_id":"arc051_b"},{"id":32183975,"contest_id":"code-festival-2015-relay","epoch_second":1654274234,"problem_id":"cf_2015_relay_a"},{"id":32184573,"contest_id":"ahc011","epoch_second":1654277481,"problem_id":"ahc011_a"},{"id":32210018,"contest_id":"abc254","epoch_second":1654344527,"problem_id":"abc254_a"},{"id":32212186,"contest_id":"abc254","epoch_second":1654344695,"problem_id":"abc254_b"},{"id":32217532,"contest_id":"abc254","epoch_second":1654345224,"problem_id":"abc254_c"},{"id":32247345,"contest_id":"abc254","epoch_second":1654352104,"problem_id":"abc254_e"},{"id":32248777,"contest_id":"ahc011","epoch_second":1654353843,"problem_id":"ahc011_a"},{"id":32249709,"contest_id":"abc254","epoch_second":1654355325,"problem_id":"abc254_d"},{"id":32274710,"contest_id":"abc126","epoch_second":1654442071,"problem_id":"abc126_e"},{"id":32292813,"contest_id":"abc147","epoch_second":1654528602,"problem_id":"abc147_c"},{"id":32309555,"contest_id":"abc125","epoch_second":1654616610,"problem_id":"abc125_d"},{"id":32325087,"contest_id":"abc097","epoch_second":1654700880,"problem_id":"arc097_b"},{"id":32341032,"contest_id":"abc084","epoch_second":1654788048,"problem_id":"abc084_d"},{"id":32358226,"contest_id":"abc194","epoch_second":1654873895,"problem_id":"abc194_d"},{"id":32373353,"contest_id":"abc255","epoch_second":1654948893,"problem_id":"abc255_a"},{"id":32385623,"contest_id":"abc255","epoch_second":1654950176,"problem_id":"abc255_b"},{"id":32404122,"contest_id":"abc255","epoch_second":1654952976,"problem_id":"abc255_c"},{"id":32419208,"contest_id":"abc255","epoch_second":1654956882,"problem_id":"abc255_d"},{"id":32421266,"contest_id":"abc255","epoch_second":1654959740,"problem_id":"abc255_e"},{"id":32443948,"contest_id":"abc012","epoch_second":1655053079,"problem_id":"abc012_4"},{"id":32459229,"contest_id":"arc048","epoch_second":1655133572,"problem_id":"arc048_b"},{"id":32466230,"contest_id":"abc242","epoch_second":1655185199,"problem_id":"abc242_d"},{"id":32475882,"contest_id":"joi2021yo1a","epoch_second":1655219491,"problem_id":"joi2021_yo1a_a"},{"id":32491119,"contest_id":"pakencamp-2020-day2","epoch_second":1655305535,"problem_id":"pakencamp_2020_day2_a"},{"id":32507526,"contest_id":"practice2","epoch_second":1655393447,"problem_id":"practice2_j"},{"id":32523040,"contest_id":"nikkei2019-ex","epoch_second":1655485893,"problem_id":"nikkei2019ex_a"},{"id":32537240,"contest_id":"abc256","epoch_second":1655553652,"problem_id":"abc256_a"},{"id":32543847,"contest_id":"abc256","epoch_second":1655554043,"problem_id":"abc256_b"},{"id":32548744,"contest_id":"abc256","epoch_second":1655554601,"problem_id":"abc256_c"},{"id":32550869,"contest_id":"abc256","epoch_second":1655554898,"problem_id":"abc256_d"},{"id":32556494,"contest_id":"abc256","epoch_second":1655555882,"problem_id":"abc256_e"},{"id":32576116,"contest_id":"abc256","epoch_second":1655565838,"problem_id":"abc256_f"},{"id":32611951,"contest_id":"arc142","epoch_second":1655652144,"problem_id":"arc142_a"},{"id":32629504,"contest_id":"arc142","epoch_second":1655737476,"problem_id":"arc142_b"},{"id":32646414,"contest_id":"abc152","epoch_second":1655824289,"problem_id":"abc152_e"},{"id":32662460,"contest_id":"abc169","epoch_second":1655910018,"problem_id":"abc169_e"},{"id":32679510,"contest_id":"abc120","epoch_second":1655999565,"problem_id":"abc120_d"},{"id":32694149,"contest_id":"abc185","epoch_second":1656084234,"problem_id":"abc185_f"},{"id":32707138,"contest_id":"abc257","epoch_second":1656158476,"problem_id":"abc257_a"},{"id":32712237,"contest_id":"abc257","epoch_second":1656158754,"problem_id":"abc257_b"},{"id":32736932,"contest_id":"abc257","epoch_second":1656162210,"problem_id":"abc257_c"},{"id":32755489,"contest_id":"abc257","epoch_second":1656169987,"problem_id":"abc257_d"},{"id":32774495,"contest_id":"arc143","epoch_second":1656246127,"problem_id":"arc143_a"},{"id":32783954,"contest_id":"abc105","epoch_second":1656255605,"problem_id":"abc105_c"},{"id":32788174,"contest_id":"abc191","epoch_second":1656291112,"problem_id":"abc191_b"},{"id":32803476,"contest_id":"abc214","epoch_second":1656344443,"problem_id":"abc214_d"},{"id":32811956,"contest_id":"arc126","epoch_second":1656397629,"problem_id":"arc126_a"},{"id":32812084,"contest_id":"arc126","epoch_second":1656398025,"problem_id":"arc126_a"},{"id":32821033,"contest_id":"code-festival-2014-final","epoch_second":1656429393,"problem_id":"code_festival_final_e"},{"id":32837922,"contest_id":"arc020","epoch_second":1656515158,"problem_id":"arc020_2"},{"id":32855202,"contest_id":"abc112","epoch_second":1656602971,"problem_id":"abc112_d"},{"id":32872093,"contest_id":"abc153","epoch_second":1656688188,"problem_id":"abc153_e"},{"id":32885990,"contest_id":"abc258","epoch_second":1656763265,"problem_id":"abc258_a"},{"id":32893759,"contest_id":"abc258","epoch_second":1656763708,"problem_id":"abc258_b"},{"id":32903527,"contest_id":"abc258","epoch_second":1656764814,"problem_id":"abc258_c"},{"id":32923230,"contest_id":"abc258","epoch_second":1656767718,"problem_id":"abc258_d"},{"id":32924096,"contest_id":"abc258","epoch_second":1656767866,"problem_id":"abc258_e"},{"id":32935301,"contest_id":"abc258","epoch_second":1656770001,"problem_id":"abc258_d"},{"id":32942674,"contest_id":"abc258","epoch_second":1656777988,"problem_id":"abc258_g"},{"id":32943738,"contest_id":"abc258","epoch_second":1656780792,"problem_id":"abc258_g"},{"id":32953804,"contest_id":"ahc012","epoch_second":1656830111,"problem_id":"ahc012_a"},{"id":32954089,"contest_id":"ahc012","epoch_second":1656830506,"problem_id":"ahc012_a"},{"id":32954428,"contest_id":"ahc012","epoch_second":1656831012,"problem_id":"ahc012_a"},{"id":32954833,"contest_id":"ahc012","epoch_second":1656831620,"problem_id":"ahc012_a"},{"id":32955058,"contest_id":"ahc012","epoch_second":1656831940,"problem_id":"ahc012_a"},{"id":32969530,"contest_id":"arc006","epoch_second":1656860022,"problem_id":"arc006_3"},{"id":32969725,"contest_id":"abc039","epoch_second":1656860610,"problem_id":"abc039_d"},{"id":32982895,"contest_id":"APG4b","epoch_second":1656930668,"problem_id":"APG4b_bz"},{"id":32983015,"contest_id":"APG4b","epoch_second":1656931279,"problem_id":"APG4b_bz"},{"id":32983220,"contest_id":"abc253","epoch_second":1656932188,"problem_id":"abc253_c"},{"id":32987202,"contest_id":"abc219","epoch_second":1656945393,"problem_id":"abc219_c"},{"id":32987378,"contest_id":"abc211","epoch_second":1656946178,"problem_id":"abc211_b"},{"id":32987405,"contest_id":"abc211","epoch_second":1656946287,"problem_id":"abc211_b"},{"id":32987787,"contest_id":"abc193","epoch_second":1656947755,"problem_id":"abc193_c"},{"id":32987903,"contest_id":"abc114","epoch_second":1656948267,"problem_id":"abc114_c"},{"id":33006090,"contest_id":"abc152","epoch_second":1657033270,"problem_id":"abc152_d"},{"id":33024898,"contest_id":"arc041","epoch_second":1657120927,"problem_id":"arc041_b"},{"id":33044681,"contest_id":"abc216","epoch_second":1657209757,"problem_id":"abc216_d"},{"id":33073082,"contest_id":"abc259","epoch_second":1657368112,"problem_id":"abc259_a"},{"id":33076428,"contest_id":"abc259","epoch_second":1657368384,"problem_id":"abc259_b"},{"id":33083954,"contest_id":"abc259","epoch_second":1657369059,"problem_id":"abc259_c"},{"id":33088715,"contest_id":"abc259","epoch_second":1657369565,"problem_id":"abc259_d"},{"id":33115841,"contest_id":"abc259","epoch_second":1657373193,"problem_id":"abc259_e"},{"id":33130575,"contest_id":"abc166","epoch_second":1657380380,"problem_id":"abc166_e"},{"id":33143353,"contest_id":"APG4b","epoch_second":1657439588,"problem_id":"APG4b_ca"},{"id":33143445,"contest_id":"APG4b","epoch_second":1657439859,"problem_id":"APG4b_ca"},{"id":33151828,"contest_id":"abc178","epoch_second":1657471110,"problem_id":"abc178_e"},{"id":33171497,"contest_id":"abc191","epoch_second":1657553734,"problem_id":"abc191_c"},{"id":33183980,"contest_id":"abc259","epoch_second":1657617572,"problem_id":"abc259_a"},{"id":33190420,"contest_id":"abc075","epoch_second":1657639401,"problem_id":"abc075_c"},{"id":33208284,"contest_id":"abc160","epoch_second":1657724441,"problem_id":"abc160_e"},{"id":33218817,"contest_id":"abc045","epoch_second":1657790221,"problem_id":"abc045_a"},{"id":33218892,"contest_id":"abc254","epoch_second":1657790533,"problem_id":"abc254_b"},{"id":33219044,"contest_id":"caddi2018b","epoch_second":1657791060,"problem_id":"caddi2018b_b"},{"id":33219057,"contest_id":"abc028","epoch_second":1657791118,"problem_id":"abc028_a"},{"id":33219111,"contest_id":"abc136","epoch_second":1657791351,"problem_id":"abc136_c"},{"id":33219145,"contest_id":"abc128","epoch_second":1657791476,"problem_id":"abc128_b"},{"id":33219182,"contest_id":"abc253","epoch_second":1657791598,"problem_id":"abc253_c"},{"id":33219353,"contest_id":"arc115","epoch_second":1657792310,"problem_id":"arc115_b"},{"id":33219527,"contest_id":"abc234","epoch_second":1657792994,"problem_id":"abc234_e"},{"id":33220090,"contest_id":"arc119","epoch_second":1657795329,"problem_id":"arc119_b"},{"id":33220474,"contest_id":"abc136","epoch_second":1657796896,"problem_id":"abc136_c"},{"id":33231590,"contest_id":"abc218","epoch_second":1657856351,"problem_id":"abc218_c"},{"id":33243859,"contest_id":"abc161","epoch_second":1657898375,"problem_id":"abc161_d"},{"id":33270159,"contest_id":"arc144","epoch_second":1657977671,"problem_id":"arc144_a"},{"id":33275755,"contest_id":"arc144","epoch_second":1657983603,"problem_id":"arc144_b"},{"id":33291086,"contest_id":"abc260","epoch_second":1658059286,"problem_id":"abc260_a"},{"id":33299644,"contest_id":"abc260","epoch_second":1658060071,"problem_id":"abc260_b"},{"id":33308868,"contest_id":"abc260","epoch_second":1658061874,"problem_id":"abc260_c"},{"id":33312882,"contest_id":"abc260","epoch_second":1658062980,"problem_id":"abc260_d"},{"id":33320908,"contest_id":"abc260","epoch_second":1658065177,"problem_id":"abc260_e"},{"id":33326379,"contest_id":"abc257","epoch_second":1658072513,"problem_id":"abc257_e"},{"id":33348674,"contest_id":"code-festival-2016-quala","epoch_second":1658161199,"problem_id":"codefestival_2016_qualA_c"},{"id":33357577,"contest_id":"practice2","epoch_second":1658215008,"problem_id":"practice2_a"},{"id":33357863,"contest_id":"atc002","epoch_second":1658215906,"problem_id":"atc002_b"},{"id":33358247,"contest_id":"atc002","epoch_second":1658217037,"problem_id":"atc002_b"},{"id":33358614,"contest_id":"atc002","epoch_second":1658218223,"problem_id":"atc002_b"},{"id":33366740,"contest_id":"abc219","epoch_second":1658245051,"problem_id":"abc219_d"},{"id":33383079,"contest_id":"abc102","epoch_second":1658330576,"problem_id":"arc100_a"},{"id":33392762,"contest_id":"abc151","epoch_second":1658395225,"problem_id":"abc151_a"},{"id":33392766,"contest_id":"code-formula-2014-final","epoch_second":1658395243,"problem_id":"code_formula_2014_final_a"},{"id":33392824,"contest_id":"tenka1-2013-quala","epoch_second":1658395477,"problem_id":"tenka1_2013_qualA_a"},{"id":33392832,"contest_id":"abc148","epoch_second":1658395516,"problem_id":"abc148_a"},{"id":33392904,"contest_id":"abc131","epoch_second":1658395823,"problem_id":"abc131_b"},{"id":33392919,"contest_id":"tenka1-2012-qualB","epoch_second":1658395891,"problem_id":"tenka1_2012_5"},{"id":33392957,"contest_id":"code-festival-2014-final","epoch_second":1658396018,"problem_id":"code_festival_final_b"},{"id":33393284,"contest_id":"agc039","epoch_second":1658397185,"problem_id":"agc039_a"},{"id":33393374,"contest_id":"abc117","epoch_second":1658397478,"problem_id":"abc117_c"},{"id":33393584,"contest_id":"abc107","epoch_second":1658398261,"problem_id":"arc101_a"},{"id":33393673,"contest_id":"arc018","epoch_second":1658398626,"problem_id":"arc018_2"},{"id":33398972,"contest_id":"abc020","epoch_second":1658418958,"problem_id":"abc020_c"},{"id":33415086,"contest_id":"arc004","epoch_second":1658502950,"problem_id":"arc004_2"},{"id":33458201,"contest_id":"abc261","epoch_second":1658579817,"problem_id":"abc261_a"},{"id":33459270,"contest_id":"abc261","epoch_second":1658579984,"problem_id":"abc261_b"},{"id":33459945,"contest_id":"abc261","epoch_second":1658580103,"problem_id":"abc261_c"},{"id":33462944,"contest_id":"abc261","epoch_second":1658580662,"problem_id":"abc261_d"},{"id":33468288,"contest_id":"abc261","epoch_second":1658581913,"problem_id":"abc261_f"},{"id":33481349,"contest_id":"abc261","epoch_second":1658592504,"problem_id":"abc261_e"},{"id":33485741,"contest_id":"abc261","epoch_second":1658623829,"problem_id":"abc261_d"},{"id":33502114,"contest_id":"arc017","epoch_second":1658675456,"problem_id":"arc017_2"},{"id":33521643,"contest_id":"chokudai_S002","epoch_second":1658766373,"problem_id":"chokudai_S002_a"},{"id":33538513,"contest_id":"abc077","epoch_second":1658848535,"problem_id":"arc084_a"},{"id":33538523,"contest_id":"abc077","epoch_second":1658848566,"problem_id":"arc084_a"},{"id":33538544,"contest_id":"abc077","epoch_second":1658848672,"problem_id":"arc084_a"},{"id":33557705,"contest_id":"chokudai_S002","epoch_second":1658934016,"problem_id":"chokudai_S002_b"},{"id":33576378,"contest_id":"wupc2019","epoch_second":1659020402,"problem_id":"wupc2019_a"},{"id":33596611,"contest_id":"chokudai_S002","epoch_second":1659109236,"problem_id":"chokudai_S002_c"},{"id":33623301,"contest_id":"arc145","epoch_second":1659185077,"problem_id":"arc145_a"},{"id":33639017,"contest_id":"arc145","epoch_second":1659193255,"problem_id":"arc145_b"},{"id":33658144,"contest_id":"abc262","epoch_second":1659268902,"problem_id":"abc262_a"},{"id":33660323,"contest_id":"abc262","epoch_second":1659268999,"problem_id":"abc262_b"},{"id":33665059,"contest_id":"abc262","epoch_second":1659269292,"problem_id":"abc262_c"},{"id":33681996,"contest_id":"abc262","epoch_second":1659272659,"problem_id":"abc262_d"},{"id":33688195,"contest_id":"abc262","epoch_second":1659274590,"problem_id":"abc262_d"},{"id":33693544,"contest_id":"arc145","epoch_second":1659279711,"problem_id":"arc145_c"},{"id":33716252,"contest_id":"abc156","epoch_second":1659367395,"problem_id":"abc156_d"},{"id":33734415,"contest_id":"pakencamp-2019-day4","epoch_second":1659452764,"problem_id":"pakencamp_2019_day4_b"},{"id":33752717,"contest_id":"chokudai_S002","epoch_second":1659539142,"problem_id":"chokudai_S002_d"},{"id":33770701,"contest_id":"digitalarts2012","epoch_second":1659625296,"problem_id":"digitalarts_2"},{"id":33786947,"contest_id":"abc131","epoch_second":1659712460,"problem_id":"abc131_e"},{"id":33794259,"contest_id":"abc165","epoch_second":1659764664,"problem_id":"abc165_c"},{"id":33807092,"contest_id":"abc263","epoch_second":1659787577,"problem_id":"abc263_a"},{"id":33809159,"contest_id":"abc263","epoch_second":1659787698,"problem_id":"abc263_b"},{"id":33811898,"contest_id":"abc263","epoch_second":1659787887,"problem_id":"abc263_c"},{"id":33845922,"contest_id":"abc263","epoch_second":1659801613,"problem_id":"abc263_d"},{"id":33855683,"contest_id":"abc104","epoch_second":1659855517,"problem_id":"abc104_c"},{"id":33866707,"contest_id":"abc037","epoch_second":1659886899,"problem_id":"abc037_d"},{"id":33886183,"contest_id":"arc025","epoch_second":1659972555,"problem_id":"arc025_2"},{"id":33890117,"contest_id":"arc034","epoch_second":1660005144,"problem_id":"arc034_2"},{"id":33890911,"contest_id":"abc114","epoch_second":1660009041,"problem_id":"abc114_d"},{"id":33891025,"contest_id":"arc034","epoch_second":1660009487,"problem_id":"arc034_3"},{"id":33906221,"contest_id":"ahc013","epoch_second":1660057220,"problem_id":"ahc013_a"},{"id":33906851,"contest_id":"nikkei2019-ex","epoch_second":1660059013,"problem_id":"nikkei2019ex_b"},{"id":33912563,"contest_id":"ahc013","epoch_second":1660097686,"problem_id":"ahc013_a"},{"id":33913503,"contest_id":"ahc013","epoch_second":1660100592,"problem_id":"ahc013_a"},{"id":33914944,"contest_id":"ahc013","epoch_second":1660107047,"problem_id":"ahc013_a"},{"id":33915365,"contest_id":"ahc013","epoch_second":1660108888,"problem_id":"ahc013_a"},{"id":33917564,"contest_id":"ahc013","epoch_second":1660115818,"problem_id":"ahc013_a"},{"id":33919316,"contest_id":"ahc013","epoch_second":1660120887,"problem_id":"ahc013_a"},{"id":33926871,"contest_id":"nikkei2019-ex","epoch_second":1660143614,"problem_id":"nikkei2019ex_c"},{"id":33940204,"contest_id":"ahc013","epoch_second":1660211760,"problem_id":"ahc013_a"},{"id":33945311,"contest_id":"ahc013","epoch_second":1660226603,"problem_id":"ahc013_a"},{"id":33946429,"contest_id":"nikkei2019-ex","epoch_second":1660230094,"problem_id":"nikkei2019ex_d"},{"id":33966280,"contest_id":"ahc013","epoch_second":1660315998,"problem_id":"ahc013_a"},{"id":33966420,"contest_id":"nikkei2019-ex","epoch_second":1660316406,"problem_id":"nikkei2019ex_f"},{"id":33977026,"contest_id":"ahc013","epoch_second":1660373359,"problem_id":"ahc013_a"},{"id":33987096,"contest_id":"abc264","epoch_second":1660392138,"problem_id":"abc264_a"},{"id":33993642,"contest_id":"abc264","epoch_second":1660392664,"problem_id":"abc264_b"},{"id":33995913,"contest_id":"abc264","epoch_second":1660392902,"problem_id":"abc264_c"},{"id":33996949,"contest_id":"abc264","epoch_second":1660393025,"problem_id":"abc264_d"},{"id":34008734,"contest_id":"abc264","epoch_second":1660395062,"problem_id":"abc264_e"},{"id":34025537,"contest_id":"nikkei2019-ex","epoch_second":1660402921,"problem_id":"nikkei2019ex_e"},{"id":34050241,"contest_id":"agc058","epoch_second":1660485562,"problem_id":"agc058_a"},{"id":34053195,"contest_id":"arc022","epoch_second":1660491581,"problem_id":"arc022_2"},{"id":34073261,"contest_id":"abc142","epoch_second":1660575960,"problem_id":"abc142_e"},{"id":34082638,"contest_id":"abc061","epoch_second":1660628899,"problem_id":"abc061_d"},{"id":34095634,"contest_id":"code-festival-2018-quala","epoch_second":1660665437,"problem_id":"code_festival_2018_quala_a"},{"id":34106670,"contest_id":"abc067","epoch_second":1660727455,"problem_id":"abc067_a"},{"id":34106689,"contest_id":"code-festival-2016-qualc","epoch_second":1660727516,"problem_id":"codefestival_2016_qualC_a"},{"id":34106818,"contest_id":"arc124","epoch_second":1660727915,"problem_id":"arc124_a"},{"id":34106874,"contest_id":"agc015","epoch_second":1660728089,"problem_id":"agc015_b"},{"id":34107044,"contest_id":"abc030","epoch_second":1660728609,"problem_id":"abc030_b"},{"id":34107087,"contest_id":"abc003","epoch_second":1660728772,"problem_id":"abc003_3"},{"id":34107253,"contest_id":"abc142","epoch_second":1660729413,"problem_id":"abc142_e"},{"id":34107641,"contest_id":"agc049","epoch_second":1660731013,"problem_id":"agc049_b"},{"id":34113192,"contest_id":"abc088","epoch_second":1660748627,"problem_id":"abc088_d"},{"id":34131431,"contest_id":"abc237","epoch_second":1660836804,"problem_id":"abc237_e"},{"id":34148157,"contest_id":"arc035","epoch_second":1660921947,"problem_id":"arc035_c"},{"id":34183260,"contest_id":"arc146","epoch_second":1661011331,"problem_id":"arc146_a"},{"id":34199506,"contest_id":"abc265","epoch_second":1661083280,"problem_id":"abc265_a"},{"id":34204367,"contest_id":"abc265","epoch_second":1661083553,"problem_id":"abc265_b"},{"id":34207263,"contest_id":"abc265","epoch_second":1661083744,"problem_id":"abc265_c"},{"id":34211728,"contest_id":"abc265","epoch_second":1661084057,"problem_id":"abc265_d"},{"id":34222482,"contest_id":"abc265","epoch_second":1661085069,"problem_id":"abc265_e"},{"id":34252262,"contest_id":"zone2021","epoch_second":1661094407,"problem_id":"zone2021_c"},{"id":34277199,"contest_id":"agc048","epoch_second":1661182738,"problem_id":"agc048_a"},{"id":34296766,"contest_id":"abc146","epoch_second":1661267808,"problem_id":"abc146_d"},{"id":34316047,"contest_id":"arc058","epoch_second":1661354584,"problem_id":"arc058_a"},{"id":34333924,"contest_id":"abc070","epoch_second":1661440350,"problem_id":"abc070_d"},{"id":34352252,"contest_id":"arc032","epoch_second":1661526564,"problem_id":"arc032_2"},{"id":34409945,"contest_id":"abc266","epoch_second":1661613848,"problem_id":"abc266_a"},{"id":34434513,"contest_id":"abc266","epoch_second":1661737782,"problem_id":"abc266_b"},{"id":34447410,"contest_id":"abc266","epoch_second":1661785647,"problem_id":"abc266_c"},{"id":34464468,"contest_id":"abc266","epoch_second":1661872300,"problem_id":"abc266_d"},{"id":34469830,"contest_id":"abc194","epoch_second":1661916386,"problem_id":"abc194_e"},{"id":34481015,"contest_id":"abc266","epoch_second":1661958405,"problem_id":"abc266_e"},{"id":34498090,"contest_id":"past202004-open","epoch_second":1662043848,"problem_id":"past202004_j"},{"id":34498770,"contest_id":"abc266","epoch_second":1662046663,"problem_id":"abc266_f"},{"id":34510196,"contest_id":"arc017","epoch_second":1662114273,"problem_id":"arc017_3"},{"id":34515431,"contest_id":"abc034","epoch_second":1662131285,"problem_id":"abc034_c"},{"id":34531999,"contest_id":"abc267","epoch_second":1662206521,"problem_id":"abc267_a"},{"id":34550900,"contest_id":"abc267","epoch_second":1662208281,"problem_id":"abc267_d"},{"id":34576875,"contest_id":"abc267","epoch_second":1662212551,"problem_id":"abc267_b"},{"id":34582508,"contest_id":"abc267","epoch_second":1662217296,"problem_id":"abc267_c"},{"id":34613645,"contest_id":"arc147","epoch_second":1662296522,"problem_id":"arc147_a"},{"id":34615679,"contest_id":"arc147","epoch_second":1662297511,"problem_id":"arc147_b"},{"id":34622887,"contest_id":"abc115","epoch_second":1662304676,"problem_id":"abc115_d"},{"id":34641361,"contest_id":"arc054","epoch_second":1662390086,"problem_id":"arc054_b"},{"id":34660314,"contest_id":"arc011","epoch_second":1662476437,"problem_id":"arc011_3"},{"id":34665923,"contest_id":"practice2","epoch_second":1662522719,"problem_id":"practice2_k"},{"id":34671303,"contest_id":"abc192","epoch_second":1662541881,"problem_id":"abc192_b"},{"id":34671340,"contest_id":"abc139","epoch_second":1662542000,"problem_id":"abc139_c"},{"id":34671371,"contest_id":"abc127","epoch_second":1662542108,"problem_id":"abc127_c"},{"id":34671402,"contest_id":"abc100","epoch_second":1662542242,"problem_id":"abc100_c"},{"id":34671453,"contest_id":"code-festival-2016-quala","epoch_second":1662542414,"problem_id":"codefestival_2016_qualA_b"},{"id":34671513,"contest_id":"agc019","epoch_second":1662542609,"problem_id":"agc019_a"},{"id":34671555,"contest_id":"abc046","epoch_second":1662542754,"problem_id":"abc046_b"},{"id":34671648,"contest_id":"abc079","epoch_second":1662543107,"problem_id":"abc079_d"},{"id":34671712,"contest_id":"arc037","epoch_second":1662543300,"problem_id":"arc037_b"},{"id":34672166,"contest_id":"arc135","epoch_second":1662545172,"problem_id":"arc135_b"},{"id":34677762,"contest_id":"abc141","epoch_second":1662561747,"problem_id":"abc141_e"},{"id":34678069,"contest_id":"abc141","epoch_second":1662562841,"problem_id":"abc141_e"},{"id":34678616,"contest_id":"arc141","epoch_second":1662564334,"problem_id":"arc141_a"},{"id":34695254,"contest_id":"dwango2015-prelims","epoch_second":1662649227,"problem_id":"dwango2015_prelims_2"},{"id":34695262,"contest_id":"dwango2015-prelims","epoch_second":1662649301,"problem_id":"dwango2015_prelims_1"},{"id":34710643,"contest_id":"abc069","epoch_second":1662737490,"problem_id":"arc080_b"},{"id":34764535,"contest_id":"arc120","epoch_second":1662822325,"problem_id":"arc120_b"},{"id":34764773,"contest_id":"abc094","epoch_second":1662822739,"problem_id":"arc095_b"},{"id":34764935,"contest_id":"abc206","epoch_second":1662823025,"problem_id":"abc206_d"},{"id":34770570,"contest_id":"abc268","epoch_second":1662858778,"problem_id":"abc268_a"},{"id":34770594,"contest_id":"abc268","epoch_second":1662858873,"problem_id":"abc268_b"},{"id":34770708,"contest_id":"abc268","epoch_second":1662859274,"problem_id":"abc268_c"},{"id":34770992,"contest_id":"abc268","epoch_second":1662860224,"problem_id":"abc268_d"},{"id":34795644,"contest_id":"arc148","epoch_second":1662902317,"problem_id":"arc148_a"},{"id":34804265,"contest_id":"arc148","epoch_second":1662908526,"problem_id":"arc148_b"},{"id":34823917,"contest_id":"abc160","epoch_second":1662994958,"problem_id":"abc160_d"},{"id":34841613,"contest_id":"arc134","epoch_second":1663082150,"problem_id":"arc134_b"},{"id":34852415,"contest_id":"abc188","epoch_second":1663146668,"problem_id":"abc188_b"},{"id":34852433,"contest_id":"abc014","epoch_second":1663146716,"problem_id":"abc014_1"},{"id":34852447,"contest_id":"abc002","epoch_second":1663146758,"problem_id":"abc002_2"},{"id":34852461,"contest_id":"abc018","epoch_second":1663146800,"problem_id":"abc018_2"},{"id":34852616,"contest_id":"arc130","epoch_second":1663147317,"problem_id":"arc130_b"},{"id":34852746,"contest_id":"abc079","epoch_second":1663147823,"problem_id":"abc079_d"},{"id":34852897,"contest_id":"abc090","epoch_second":1663148571,"problem_id":"arc091_b"},{"id":34853104,"contest_id":"digitalarts2012","epoch_second":1663149530,"problem_id":"digitalarts_2"},{"id":34859210,"contest_id":"abc133","epoch_second":1663168371,"problem_id":"abc133_d"},{"id":34876951,"contest_id":"agc036","epoch_second":1663253956,"problem_id":"agc036_a"},{"id":34877352,"contest_id":"arc005","epoch_second":1663255377,"problem_id":"arc005_2"},{"id":34895899,"contest_id":"agc018","epoch_second":1663343469,"problem_id":"agc018_a"},{"id":34909340,"contest_id":"ahc014","epoch_second":1663394447,"problem_id":"ahc014_a"},{"id":34918481,"contest_id":"abc269","epoch_second":1663416062,"problem_id":"abc269_a"},{"id":34923789,"contest_id":"abc269","epoch_second":1663416296,"problem_id":"abc269_b"},{"id":34926986,"contest_id":"abc269","epoch_second":1663416594,"problem_id":"abc269_c"},{"id":34932363,"contest_id":"abc269","epoch_second":1663417270,"problem_id":"abc269_d"},{"id":34954039,"contest_id":"abc269","epoch_second":1663422559,"problem_id":"abc269_e"},{"id":34957405,"contest_id":"tenka1-2019-beginner","epoch_second":1663426854,"problem_id":"tenka1_2019_c"},{"id":34959041,"contest_id":"ahc014","epoch_second":1663431179,"problem_id":"ahc014_a"},{"id":34964310,"contest_id":"ahc014","epoch_second":1663467243,"problem_id":"ahc014_a"},{"id":34964878,"contest_id":"ahc014","epoch_second":1663469044,"problem_id":"ahc014_a"},{"id":34966004,"contest_id":"ahc014","epoch_second":1663473356,"problem_id":"ahc014_a"},{"id":34968224,"contest_id":"ahc014","epoch_second":1663480650,"problem_id":"ahc014_a"},{"id":34974101,"contest_id":"ahc014","epoch_second":1663497719,"problem_id":"ahc014_a"},{"id":34980670,"contest_id":"arc131","epoch_second":1663514010,"problem_id":"arc131_c"},{"id":35002041,"contest_id":"discovery2016-qual","epoch_second":1663602456,"problem_id":"discovery_2016_qual_b"},{"id":35006985,"contest_id":"ahc014","epoch_second":1663645196,"problem_id":"ahc014_a"},{"id":35016357,"contest_id":"ahc014","epoch_second":1663680199,"problem_id":"ahc014_a"},{"id":35018368,"contest_id":"arc128","epoch_second":1663686007,"problem_id":"arc128_b"},{"id":35019774,"contest_id":"ahc014","epoch_second":1663691535,"problem_id":"ahc014_a"},{"id":35036481,"contest_id":"abc157","epoch_second":1663775702,"problem_id":"abc157_e"},{"id":35051964,"contest_id":"abc105","epoch_second":1663859582,"problem_id":"abc105_d"},{"id":35057930,"contest_id":"ahc014","epoch_second":1663903719,"problem_id":"ahc014_a"},{"id":35058651,"contest_id":"ahc014","epoch_second":1663907360,"problem_id":"ahc014_a"},{"id":35070829,"contest_id":"chokudai_S001","epoch_second":1663948319,"problem_id":"chokudai_S001_a"},{"id":35071120,"contest_id":"ahc014","epoch_second":1663949855,"problem_id":"ahc014_a"},{"id":35091641,"contest_id":"abc270","epoch_second":1664020854,"problem_id":"abc270_a"},{"id":35097962,"contest_id":"abc270","epoch_second":1664021369,"problem_id":"abc270_b"},{"id":35100908,"contest_id":"abc270","epoch_second":1664021604,"problem_id":"abc270_c"},{"id":35130305,"contest_id":"abc270","epoch_second":1664025653,"problem_id":"abc270_e"},{"id":35134918,"contest_id":"abc270","epoch_second":1664026518,"problem_id":"abc270_d"},{"id":35143363,"contest_id":"abc270","epoch_second":1664032501,"problem_id":"abc270_f"},{"id":35166347,"contest_id":"arc040","epoch_second":1664119330,"problem_id":"arc040_b"},{"id":35184594,"contest_id":"agc033","epoch_second":1664205659,"problem_id":"agc033_a"},{"id":35202539,"contest_id":"arc023","epoch_second":1664290893,"problem_id":"arc023_2"},{"id":35202784,"contest_id":"abc195","epoch_second":1664291723,"problem_id":"abc195_d"},{"id":35202881,"contest_id":"arc035","epoch_second":1664292034,"problem_id":"arc035_b"},{"id":35220116,"contest_id":"abc050","epoch_second":1664378159,"problem_id":"arc066_a"},{"id":35225083,"contest_id":"abc085","epoch_second":1664418256,"problem_id":"abc085_d"},{"id":35225290,"contest_id":"mujin-pc-2016","epoch_second":1664419302,"problem_id":"mujin_pc_2016_b"},{"id":35225508,"contest_id":"abc163","epoch_second":1664420404,"problem_id":"abc163_d"},{"id":35226068,"contest_id":"abc182","epoch_second":1664423487,"problem_id":"abc182_e"},{"id":35238244,"contest_id":"abc198","epoch_second":1664463761,"problem_id":"abc198_e"},{"id":35255806,"contest_id":"abc124","epoch_second":1664553305,"problem_id":"abc124_d"},{"id":35326853,"contest_id":"ahc014","epoch_second":1664592037,"problem_id":"ahc014_b"},{"id":35260653,"contest_id":"ahc014","epoch_second":1664592037,"problem_id":"ahc014_a"},{"id":35271391,"contest_id":"abc271","epoch_second":1664625706,"problem_id":"abc271_a"},{"id":35272695,"contest_id":"abc271","epoch_second":1664625799,"problem_id":"abc271_b"},{"id":35292373,"contest_id":"abc271","epoch_second":1664627604,"problem_id":"abc271_d"},{"id":35321104,"contest_id":"abc271","epoch_second":1664632879,"problem_id":"abc271_c"},{"id":35323478,"contest_id":"abc271","epoch_second":1664635139,"problem_id":"abc271_e"},{"id":35324870,"contest_id":"abc271","epoch_second":1664637281,"problem_id":"abc271_f"},{"id":35350129,"contest_id":"arc149","epoch_second":1664713760,"problem_id":"arc149_a"},{"id":35361279,"contest_id":"arc149","epoch_second":1664723299,"problem_id":"arc149_b"},{"id":35380846,"contest_id":"panasonic2020","epoch_second":1664809895,"problem_id":"panasonic2020_d"},{"id":35400022,"contest_id":"arc036","epoch_second":1664896431,"problem_id":"arc036_b"},{"id":35419967,"contest_id":"arc010","epoch_second":1664982433,"problem_id":"arc010_2"},{"id":35437344,"contest_id":"diverta2019","epoch_second":1665069522,"problem_id":"diverta2019_d"},{"id":35453635,"contest_id":"fuka5","epoch_second":1665158283,"problem_id":"fuka_credit"},{"id":35514604,"contest_id":"abc272","epoch_second":1665241228,"problem_id":"abc272_a"},{"id":35552932,"contest_id":"abc272","epoch_second":1665328272,"problem_id":"abc272_b"},{"id":35574697,"contest_id":"abc272","epoch_second":1665414005,"problem_id":"abc272_c"},{"id":35584275,"contest_id":"abc272","epoch_second":1665474198,"problem_id":"abc272_d"},{"id":35585137,"contest_id":"arc150","epoch_second":1665476717,"problem_id":"arc150_a"},{"id":35594096,"contest_id":"abc032","epoch_second":1665505994,"problem_id":"abc032_c"},{"id":35610054,"contest_id":"arc031","epoch_second":1665587534,"problem_id":"arc031_2"},{"id":35624937,"contest_id":"abc179","epoch_second":1665664179,"problem_id":"abc179_e"},{"id":35628851,"contest_id":"abc241","epoch_second":1665676281,"problem_id":"abc241_e"},{"id":35645675,"contest_id":"s8pc-1","epoch_second":1665761802,"problem_id":"s8pc_1_a"},{"id":35661996,"contest_id":"abc273","epoch_second":1665835289,"problem_id":"abc273_a"},{"id":35667671,"contest_id":"abc273","epoch_second":1665835700,"problem_id":"abc273_b"},{"id":35669740,"contest_id":"abc273","epoch_second":1665835960,"problem_id":"abc273_c"},{"id":35685552,"contest_id":"abc273","epoch_second":1665839152,"problem_id":"abc273_d"},{"id":35691761,"contest_id":"abc273","epoch_second":1665840745,"problem_id":"abc273_e"},{"id":35699417,"contest_id":"abc202","epoch_second":1665847153,"problem_id":"abc202_d"},{"id":35711896,"contest_id":"joi2023yo1a","epoch_second":1665898515,"problem_id":"joi2023_yo1a_a"},{"id":35711962,"contest_id":"joi2023yo1a","epoch_second":1665898567,"problem_id":"joi2023_yo1a_b"},{"id":35712056,"contest_id":"joi2023yo1a","epoch_second":1665898660,"problem_id":"joi2023_yo1a_c"},{"id":35712095,"contest_id":"joi2023yo1a","epoch_second":1665898706,"problem_id":"joi2023_yo1a_d"},{"id":35739515,"contest_id":"arc151","epoch_second":1665939322,"problem_id":"arc151_a"},{"id":35757250,"contest_id":"abc108","epoch_second":1666018930,"problem_id":"arc102_a"},{"id":35775368,"contest_id":"abc005","epoch_second":1666105385,"problem_id":"abc005_4"},{"id":35794060,"contest_id":"abc200","epoch_second":1666192508,"problem_id":"abc200_d"},{"id":35803867,"contest_id":"yahoo-procon2018-final-open","epoch_second":1666251166,"problem_id":"yahoo_procon2018_final_a"},{"id":35814594,"contest_id":"abc053","epoch_second":1666280118,"problem_id":"arc068_b"},{"id":35840321,"contest_id":"tenka1-2012-qualC","epoch_second":1666366557,"problem_id":"tenka1_2012_10"},{"id":35861711,"contest_id":"abc274","epoch_second":1666440071,"problem_id":"abc274_a"},{"id":35863129,"contest_id":"abc274","epoch_second":1666440160,"problem_id":"abc274_b"},{"id":35868823,"contest_id":"abc274","epoch_second":1666440476,"problem_id":"abc274_c"},{"id":35878873,"contest_id":"abc274","epoch_second":1666441634,"problem_id":"abc274_d"},{"id":35904183,"contest_id":"abc274","epoch_second":1666455257,"problem_id":"abc274_e"},{"id":35926696,"contest_id":"tkppc3","epoch_second":1666537601,"problem_id":"tkppc3_a"},{"id":35946620,"contest_id":"abc192","epoch_second":1666623602,"problem_id":"abc192_d"},{"id":35966514,"contest_id":"abc045","epoch_second":1666711938,"problem_id":"arc061_a"},{"id":35966519,"contest_id":"arc061","epoch_second":1666711948,"problem_id":"arc061_a"},{"id":35967106,"contest_id":"abc051","epoch_second":1666714536,"problem_id":"abc051_c"},{"id":35985413,"contest_id":"code-festival-2017-qualc","epoch_second":1666798900,"problem_id":"code_festival_2017_qualc_c"},{"id":36003093,"contest_id":"abc129","epoch_second":1666887522,"problem_id":"abc129_d"},{"id":36003105,"contest_id":"abc129","epoch_second":1666887563,"problem_id":"abc129_d"},{"id":36019628,"contest_id":"arc026","epoch_second":1666971175,"problem_id":"arc026_2"},{"id":36032740,"contest_id":"abc275","epoch_second":1667044846,"problem_id":"abc275_a"},{"id":36034398,"contest_id":"abc275","epoch_second":1667044915,"problem_id":"abc275_b"},{"id":36047621,"contest_id":"abc275","epoch_second":1667045804,"problem_id":"abc275_d"},{"id":36051460,"contest_id":"abc275","epoch_second":1667046299,"problem_id":"abc275_e"},{"id":36068246,"contest_id":"abc275","epoch_second":1667049897,"problem_id":"abc275_c"},{"id":36078117,"contest_id":"pakencamp-2020-day1","epoch_second":1667058179,"problem_id":"pakencamp_2020_day1_c"},{"id":36087165,"contest_id":"ahc015","epoch_second":1667109775,"problem_id":"ahc015_a"},{"id":36088422,"contest_id":"ahc015","epoch_second":1667111729,"problem_id":"ahc015_a"},{"id":36088636,"contest_id":"ahc015","epoch_second":1667112030,"problem_id":"ahc015_a"},{"id":36088818,"contest_id":"ahc015","epoch_second":1667112331,"problem_id":"ahc015_a"},{"id":36088972,"contest_id":"ahc015","epoch_second":1667112631,"problem_id":"ahc015_a"},{"id":36090745,"contest_id":"ahc015","epoch_second":1667115035,"problem_id":"ahc015_a"},{"id":36091406,"contest_id":"ahc015","epoch_second":1667115838,"problem_id":"ahc015_a"},{"id":36091677,"contest_id":"ahc015","epoch_second":1667116184,"problem_id":"ahc015_a"},{"id":36091932,"contest_id":"ahc015","epoch_second":1667116487,"problem_id":"ahc015_a"},{"id":36092169,"contest_id":"ahc015","epoch_second":1667116796,"problem_id":"ahc015_a"},{"id":36092426,"contest_id":"ahc015","epoch_second":1667117144,"problem_id":"ahc015_a"},{"id":36094691,"contest_id":"ahc015","epoch_second":1667119991,"problem_id":"ahc015_a"},{"id":36095201,"contest_id":"ahc015","epoch_second":1667120651,"problem_id":"ahc015_a"},{"id":36095685,"contest_id":"ahc015","epoch_second":1667121238,"problem_id":"ahc015_a"},{"id":36104976,"contest_id":"indeednow-quala","epoch_second":1667145358,"problem_id":"indeednow_2015_quala_3"},{"id":36123541,"contest_id":"abc176","epoch_second":1667228417,"problem_id":"abc176_e"},{"id":36123814,"contest_id":"abc176","epoch_second":1667228971,"problem_id":"abc176_d"},{"id":36131255,"contest_id":"chokudai_S001","epoch_second":1667279548,"problem_id":"chokudai_S001_a"},{"id":36131263,"contest_id":"chokudai_S001","epoch_second":1667279576,"problem_id":"chokudai_S001_b"},{"id":36131281,"contest_id":"chokudai_S001","epoch_second":1667279643,"problem_id":"chokudai_S001_c"},{"id":36131287,"contest_id":"chokudai_S001","epoch_second":1667279670,"problem_id":"chokudai_S001_d"},{"id":36131298,"contest_id":"chokudai_S001","epoch_second":1667279710,"problem_id":"chokudai_S001_e"},{"id":36131365,"contest_id":"chokudai_S001","epoch_second":1667279978,"problem_id":"chokudai_S001_f"},{"id":36131409,"contest_id":"chokudai_S001","epoch_second":1667280125,"problem_id":"chokudai_S001_g"},{"id":36131438,"contest_id":"chokudai_S001","epoch_second":1667280250,"problem_id":"chokudai_S001_h"},{"id":36131599,"contest_id":"chokudai_S001","epoch_second":1667280902,"problem_id":"chokudai_S001_i"},{"id":36131638,"contest_id":"chokudai_S001","epoch_second":1667281092,"problem_id":"chokudai_S001_j"},{"id":36131827,"contest_id":"chokudai_S001","epoch_second":1667281852,"problem_id":"chokudai_S001_k"},{"id":36131971,"contest_id":"chokudai_S001","epoch_second":1667282506,"problem_id":"chokudai_S001_l"},{"id":36142539,"contest_id":"agc011","epoch_second":1667314887,"problem_id":"agc011_b"},{"id":36142642,"contest_id":"abc064","epoch_second":1667315273,"problem_id":"abc064_d"},{"id":36162275,"contest_id":"apc001","epoch_second":1667402679,"problem_id":"apc001_b"},{"id":36183490,"contest_id":"abc048","epoch_second":1667490057,"problem_id":"arc064_a"},{"id":36202481,"contest_id":"tenka1-2018","epoch_second":1667576997,"problem_id":"tenka1_2018_c"},{"id":36221132,"contest_id":"abc276","epoch_second":1667649642,"problem_id":"abc276_a"},{"id":36223590,"contest_id":"abc276","epoch_second":1667649729,"problem_id":"abc276_b"},{"id":36224655,"contest_id":"abc276","epoch_second":1667649768,"problem_id":"abc276_c"},{"id":36228374,"contest_id":"abc276","epoch_second":1667649955,"problem_id":"abc276_d"},{"id":36235747,"contest_id":"abc276","epoch_second":1667650683,"problem_id":"abc276_e"},{"id":36259983,"contest_id":"abc276","epoch_second":1667655386,"problem_id":"abc276_f"},{"id":36267032,"contest_id":"ttpc2022","epoch_second":1667660411,"problem_id":"ttpc2022_a"},{"id":36292088,"contest_id":"ttpc2022","epoch_second":1667748108,"problem_id":"ttpc2022_b"},{"id":36310619,"contest_id":"chokudai_S002","epoch_second":1667833414,"problem_id":"chokudai_S002_e"},{"id":36330222,"contest_id":"arc042","epoch_second":1667921139,"problem_id":"arc042_b"},{"id":36330227,"contest_id":"arc042","epoch_second":1667921169,"problem_id":"arc042_b"},{"id":36349132,"contest_id":"abc140","epoch_second":1668006244,"problem_id":"abc140_d"},{"id":36368960,"contest_id":"nikkei2019-qual","epoch_second":1668093514,"problem_id":"nikkei2019_qual_c"},{"id":36387785,"contest_id":"abc097","epoch_second":1668178848,"problem_id":"arc097_a"},{"id":36405949,"contest_id":"abc277","epoch_second":1668254449,"problem_id":"abc277_a"},{"id":36409750,"contest_id":"abc277","epoch_second":1668254577,"problem_id":"abc277_b"},{"id":36412235,"contest_id":"abc277","epoch_second":1668254744,"problem_id":"abc277_c"},{"id":36421840,"contest_id":"abc277","epoch_second":1668255610,"problem_id":"abc277_d"},{"id":36436967,"contest_id":"abc277","epoch_second":1668258040,"problem_id":"abc277_e"},{"id":36455818,"contest_id":"abc080","epoch_second":1668266180,"problem_id":"abc080_c"},{"id":36462307,"contest_id":"abc277","epoch_second":1668303987,"problem_id":"abc277_e"},{"id":36477477,"contest_id":"ahc016","epoch_second":1668344138,"problem_id":"ahc016_a"},{"id":36481198,"contest_id":"ahc016","epoch_second":1668352783,"problem_id":"ahc016_a"},{"id":36481324,"contest_id":"abc071","epoch_second":1668353263,"problem_id":"arc081_b"},{"id":36481409,"contest_id":"abc071","epoch_second":1668353540,"problem_id":"arc081_a"},{"id":36481814,"contest_id":"ahc016","epoch_second":1668355065,"problem_id":"ahc016_a"},{"id":36486423,"contest_id":"ahc016","epoch_second":1668389982,"problem_id":"ahc016_a"},{"id":36495340,"contest_id":"ahc016","epoch_second":1668422708,"problem_id":"ahc016_a"},{"id":36495909,"contest_id":"ahc016","epoch_second":1668424508,"problem_id":"ahc016_a"},{"id":36501682,"contest_id":"abc157","epoch_second":1668438270,"problem_id":"abc157_d"},{"id":36502498,"contest_id":"ahc016","epoch_second":1668440931,"problem_id":"ahc016_a"},{"id":36521978,"contest_id":"abc121","epoch_second":1668525880,"problem_id":"abc121_d"},{"id":36541240,"contest_id":"agc034","epoch_second":1668612939,"problem_id":"agc034_b"},{"id":36560168,"contest_id":"sumitrust2019","epoch_second":1668698369,"problem_id":"sumitb2019_e"},{"id":36568757,"contest_id":"ahc016","epoch_second":1668756198,"problem_id":"ahc016_a"},{"id":36578293,"contest_id":"abc126","epoch_second":1668787996,"problem_id":"abc126_d"},{"id":36632328,"contest_id":"ahc016","epoch_second":1668863078,"problem_id":"ahc016_a"},{"id":36645167,"contest_id":"abc278","epoch_second":1668865684,"problem_id":"abc278_a"},{"id":36645966,"contest_id":"abc278","epoch_second":1668866112,"problem_id":"abc278_b"},{"id":36646200,"contest_id":"abc278","epoch_second":1668866246,"problem_id":"abc278_c"},{"id":36646648,"contest_id":"abc278","epoch_second":1668866556,"problem_id":"abc278_d"},{"id":36646705,"contest_id":"ahc016","epoch_second":1668866607,"problem_id":"ahc016_a"},{"id":36647922,"contest_id":"abc278","epoch_second":1668867600,"problem_id":"abc278_e"},{"id":36651356,"contest_id":"agc014","epoch_second":1668873980,"problem_id":"agc014_b"},{"id":36662872,"contest_id":"ahc016","epoch_second":1668928832,"problem_id":"ahc016_a"},{"id":36665623,"contest_id":"ahc016","epoch_second":1668934871,"problem_id":"ahc016_a"},{"id":36689227,"contest_id":"ahc016","epoch_second":1668937603,"problem_id":"ahc016_b"},{"id":36666742,"contest_id":"ahc016","epoch_second":1668937603,"problem_id":"ahc016_a"},{"id":36685960,"contest_id":"joi2023yo1b","epoch_second":1668958701,"problem_id":"joi2023_yo1b_a"},{"id":36685966,"contest_id":"joi2023yo1b","epoch_second":1668958746,"problem_id":"joi2023_yo1b_b"},{"id":36685974,"contest_id":"joi2023yo1b","epoch_second":1668958786,"problem_id":"joi2023_yo1b_c"},{"id":36685995,"contest_id":"joi2023yo1b","epoch_second":1668958861,"problem_id":"joi2023_yo1b_d"},{"id":36686055,"contest_id":"joi2021yo1b","epoch_second":1668959186,"problem_id":"joi2021_yo1b_a"},{"id":36686071,"contest_id":"joi2021yo1b","epoch_second":1668959265,"problem_id":"joi2021_yo1b_b"},{"id":36686087,"contest_id":"joi2021yo1b","epoch_second":1668959364,"problem_id":"joi2021_yo1b_c"},{"id":36706886,"contest_id":"abc132","epoch_second":1669045780,"problem_id":"abc132_d"},{"id":36723614,"contest_id":"abc109","epoch_second":1669130006,"problem_id":"abc109_d"},{"id":36743747,"contest_id":"abc147","epoch_second":1669216030,"problem_id":"abc147_d"},{"id":36760596,"contest_id":"agc003","epoch_second":1669302699,"problem_id":"agc003_b"},{"id":36776704,"contest_id":"apc001","epoch_second":1669389294,"problem_id":"apc001_c"},{"id":36792109,"contest_id":"abc279","epoch_second":1669464064,"problem_id":"abc279_a"},{"id":36795316,"contest_id":"abc279","epoch_second":1669464147,"problem_id":"abc279_b"},{"id":36805431,"contest_id":"abc279","epoch_second":1669464892,"problem_id":"abc279_c"},{"id":36812437,"contest_id":"abc279","epoch_second":1669466071,"problem_id":"abc279_d"},{"id":36817260,"contest_id":"abc279","epoch_second":1669467228,"problem_id":"abc279_e"},{"id":36833622,"contest_id":"code-festival-2017-quala","epoch_second":1669479398,"problem_id":"code_festival_2017_quala_c"},{"id":36857674,"contest_id":"arc053","epoch_second":1669609417,"problem_id":"arc053_b"},{"id":36868140,"contest_id":"arc114","epoch_second":1669649041,"problem_id":"arc114_b"},{"id":36884942,"contest_id":"abc216","epoch_second":1669734241,"problem_id":"abc216_e"},{"id":36901505,"contest_id":"arc110","epoch_second":1669821235,"problem_id":"arc110_c"},{"id":36918159,"contest_id":"arc121","epoch_second":1669911288,"problem_id":"arc121_b"},{"id":36932544,"contest_id":"abc181","epoch_second":1669994427,"problem_id":"abc181_e"},{"id":36953753,"contest_id":"abc280","epoch_second":1670069056,"problem_id":"abc280_a"},{"id":36956797,"contest_id":"abc280","epoch_second":1670069176,"problem_id":"abc280_b"},{"id":36962127,"contest_id":"abc280","epoch_second":1670069435,"problem_id":"abc280_c"},{"id":36972168,"contest_id":"abc280","epoch_second":1670070295,"problem_id":"abc280_d"},{"id":36983498,"contest_id":"abc280","epoch_second":1670072028,"problem_id":"abc280_e"},{"id":37001650,"contest_id":"abc280","epoch_second":1670080159,"problem_id":"abc280_f"},{"id":37001994,"contest_id":"arc152","epoch_second":1670080925,"problem_id":"arc152_a"},{"id":37028762,"contest_id":"arc002","epoch_second":1670167105,"problem_id":"arc002_3"},{"id":37046824,"contest_id":"abc208","epoch_second":1670252915,"problem_id":"abc208_d"},{"id":37063829,"contest_id":"abc188","epoch_second":1670338988,"problem_id":"abc188_e"},{"id":37081582,"contest_id":"arc109","epoch_second":1670425409,"problem_id":"arc109_c"},{"id":37099689,"contest_id":"abc184","epoch_second":1670513244,"problem_id":"abc184_e"},{"id":37099864,"contest_id":"abc184","epoch_second":1670513712,"problem_id":"abc184_f"},{"id":37117239,"contest_id":"joi2008ho","epoch_second":1670598938,"problem_id":"joi2008ho_c"},{"id":37143028,"contest_id":"abc281","epoch_second":1670673964,"problem_id":"abc281_a"},{"id":37147401,"contest_id":"abc281","epoch_second":1670674218,"problem_id":"abc281_b"},{"id":37150861,"contest_id":"abc281","epoch_second":1670674449,"problem_id":"abc281_c"},{"id":37158636,"contest_id":"abc281","epoch_second":1670675168,"problem_id":"abc281_d"},{"id":37163653,"contest_id":"abc281","epoch_second":1670675824,"problem_id":"abc281_e"},{"id":37173677,"contest_id":"abc281","epoch_second":1670677596,"problem_id":"abc281_f"},{"id":37187751,"contest_id":"abc281","epoch_second":1670682014,"problem_id":"abc281_e"},{"id":37189599,"contest_id":"joi2023yo1c","epoch_second":1670684731,"problem_id":"joi2023_yo1c_a"},{"id":37189628,"contest_id":"joi2023yo1c","epoch_second":1670684783,"problem_id":"joi2023_yo1c_a"},{"id":37189672,"contest_id":"joi2023yo1c","epoch_second":1670684853,"problem_id":"joi2023_yo1c_b"},{"id":37189745,"contest_id":"joi2023yo1c","epoch_second":1670684953,"problem_id":"joi2023_yo1c_c"},{"id":37189832,"contest_id":"joi2023yo1c","epoch_second":1670685121,"problem_id":"joi2023_yo1c_d"},{"id":37222230,"contest_id":"joi2023yo2","epoch_second":1670773756,"problem_id":"joi2023_yo2_a"},{"id":37222247,"contest_id":"joi2023yo2","epoch_second":1670773814,"problem_id":"joi2023_yo2_a"},{"id":37238739,"contest_id":"joi2023yo2","epoch_second":1670857297,"problem_id":"joi2023_yo2_b"},{"id":37256245,"contest_id":"joi2023yo2","epoch_second":1670945052,"problem_id":"joi2023_yo2_c"},{"id":37273375,"contest_id":"abc192","epoch_second":1671030770,"problem_id":"abc192_e"},{"id":37284874,"contest_id":"abc185","epoch_second":1671099598,"problem_id":"abc185_f"},{"id":37290765,"contest_id":"arc140","epoch_second":1671120847,"problem_id":"arc140_b"},{"id":37306771,"contest_id":"joi2007yo","epoch_second":1671204205,"problem_id":"joi2007yo_d"},{"id":37322441,"contest_id":"abc282","epoch_second":1671278475,"problem_id":"abc282_a"},{"id":37325339,"contest_id":"abc282","epoch_second":1671278571,"problem_id":"abc282_b"},{"id":37327629,"contest_id":"abc282","epoch_second":1671278697,"problem_id":"abc282_c"},{"id":37337033,"contest_id":"abc282","epoch_second":1671279561,"problem_id":"abc282_d"},{"id":37347646,"contest_id":"abc282","epoch_second":1671281719,"problem_id":"abc282_e"},{"id":37363406,"contest_id":"arc118","epoch_second":1671291403,"problem_id":"arc118_b"},{"id":37381875,"contest_id":"abc174","epoch_second":1671375636,"problem_id":"abc174_e"},{"id":37398439,"contest_id":"abc198","epoch_second":1671466086,"problem_id":"abc198_d"},{"id":37414608,"contest_id":"abc137","epoch_second":1671550138,"problem_id":"abc137_d"},{"id":37431570,"contest_id":"abc213","epoch_second":1671637112,"problem_id":"abc213_e"},{"id":37447410,"contest_id":"abc054","epoch_second":1671721281,"problem_id":"abc054_c"},{"id":37463736,"contest_id":"indeednow-qualb","epoch_second":1671807745,"problem_id":"indeednow_2015_qualc_3"},{"id":37530302,"contest_id":"abc283","epoch_second":1671927627,"problem_id":"abc283_a"},{"id":37530312,"contest_id":"abc283","epoch_second":1671927700,"problem_id":"abc283_b"},{"id":37530333,"contest_id":"abc283","epoch_second":1671927820,"problem_id":"abc283_c"},{"id":37530393,"contest_id":"abc283","epoch_second":1671928198,"problem_id":"abc283_d"},{"id":37531274,"contest_id":"abc283","epoch_second":1671932407,"problem_id":"abc283_e"},{"id":37549987,"contest_id":"abc179","epoch_second":1671982417,"problem_id":"abc179_d"},{"id":37567875,"contest_id":"arc019","epoch_second":1672067951,"problem_id":"arc019_2"},{"id":37583222,"contest_id":"abc283","epoch_second":1672143910,"problem_id":"abc283_d"},{"id":37586474,"contest_id":"joi2020yo1a","epoch_second":1672153952,"problem_id":"joi2020_yo1a_a"},{"id":37608349,"contest_id":"abc089","epoch_second":1672280557,"problem_id":"abc089_d"},{"id":37620874,"contest_id":"abc119","epoch_second":1672326072,"problem_id":"abc119_c"},{"id":37640216,"contest_id":"past202203-open","epoch_second":1672414770,"problem_id":"past202203_a"},{"id":37666482,"contest_id":"abc180","epoch_second":1672509621,"problem_id":"abc180_e"},{"id":37681655,"contest_id":"abc046","epoch_second":1672585242,"problem_id":"arc062_b"},{"id":37699850,"contest_id":"abc138","epoch_second":1672673284,"problem_id":"abc138_e"},{"id":37718780,"contest_id":"past202206-open","epoch_second":1672758230,"problem_id":"past202206_a"},{"id":37736575,"contest_id":"tenka1-2014-qualb","epoch_second":1672844414,"problem_id":"tenka1_2014_qualB_b"},{"id":37755704,"contest_id":"arc045","epoch_second":1672932625,"problem_id":"arc045_b"},{"id":37772908,"contest_id":"cf16-final","epoch_second":1673017283,"problem_id":"codefestival_2016_final_c"},{"id":37836902,"contest_id":"abc284","epoch_second":1673097041,"problem_id":"abc284_a"},{"id":37837184,"contest_id":"abc284","epoch_second":1673097083,"problem_id":"abc284_b"},{"id":37837551,"contest_id":"abc284","epoch_second":1673097143,"problem_id":"abc284_c"},{"id":37842224,"contest_id":"abc284","epoch_second":1673097919,"problem_id":"abc284_d"},{"id":37852437,"contest_id":"abc284","epoch_second":1673100245,"problem_id":"abc284_f"},{"id":37856024,"contest_id":"abc284","epoch_second":1673103627,"problem_id":"abc284_e"},{"id":37888914,"contest_id":"abc139","epoch_second":1673195797,"problem_id":"abc139_e"},{"id":37910384,"contest_id":"abc087","epoch_second":1673278014,"problem_id":"arc090_b"},{"id":37928751,"contest_id":"abc246","epoch_second":1673363683,"problem_id":"abc246_e"},{"id":37947694,"contest_id":"past202203-open","epoch_second":1673449484,"problem_id":"past202203_b"},{"id":37966366,"contest_id":"past202203-open","epoch_second":1673536660,"problem_id":"past202203_c"},{"id":37984649,"contest_id":"arc146","epoch_second":1673624043,"problem_id":"arc146_b"},{"id":38022200,"contest_id":"arc153","epoch_second":1673709212,"problem_id":"arc153_a"},{"id":38079329,"contest_id":"abc285","epoch_second":1673792437,"problem_id":"abc285_a"},{"id":38079750,"contest_id":"abc285","epoch_second":1673792955,"problem_id":"abc285_b"},{"id":38079895,"contest_id":"abc285","epoch_second":1673793167,"problem_id":"abc285_c"},{"id":38080179,"contest_id":"abc285","epoch_second":1673793586,"problem_id":"abc285_d"},{"id":38081381,"contest_id":"abc285","epoch_second":1673795918,"problem_id":"abc285_e"},{"id":38082274,"contest_id":"abc285","epoch_second":1673798186,"problem_id":"abc285_f"},{"id":38105210,"contest_id":"aising2020","epoch_second":1673884308,"problem_id":"aising2020_d"},{"id":38123898,"contest_id":"arc094","epoch_second":1673967916,"problem_id":"arc094_c"},{"id":38141077,"contest_id":"joi2007yo","epoch_second":1674054845,"problem_id":"joi2007yo_c"},{"id":38158914,"contest_id":"arc024","epoch_second":1674140811,"problem_id":"arc024_2"},{"id":38175795,"contest_id":"joi2007yo","epoch_second":1674229057,"problem_id":"joi2007yo_a"},{"id":38190692,"contest_id":"abc286","epoch_second":1674302536,"problem_id":"abc286_a"},{"id":38191607,"contest_id":"abc286","epoch_second":1674302613,"problem_id":"abc286_b"},{"id":38195933,"contest_id":"abc286","epoch_second":1674302882,"problem_id":"abc286_c"},{"id":38198124,"contest_id":"abc286","epoch_second":1674303040,"problem_id":"abc286_d"},{"id":38224826,"contest_id":"abc286","epoch_second":1674307978,"problem_id":"abc286_f"},{"id":38229523,"contest_id":"abc286","epoch_second":1674309447,"problem_id":"abc286_e"},{"id":38234030,"contest_id":"joi2022yo1a","epoch_second":1674317504,"problem_id":"joi2022_yo1a_b"},{"id":38269682,"contest_id":"arc154","epoch_second":1674399837,"problem_id":"arc154_a"},{"id":38269905,"contest_id":"arc154","epoch_second":1674400331,"problem_id":"arc154_b"},{"id":38288199,"contest_id":"arc005","epoch_second":1674486287,"problem_id":"arc005_3"},{"id":38307134,"contest_id":"arc028","epoch_second":1674574828,"problem_id":"arc028_2"},{"id":38324499,"contest_id":"abc022","epoch_second":1674661453,"problem_id":"abc022_c"},{"id":38341232,"contest_id":"abc082","epoch_second":1674745866,"problem_id":"arc087_b"},{"id":38359477,"contest_id":"joi2022yo1a","epoch_second":1674833158,"problem_id":"joi2022_yo1a_c"},{"id":38368575,"contest_id":"ahc017","epoch_second":1674890324,"problem_id":"ahc017_a"},{"id":38375444,"contest_id":"abc287","epoch_second":1674907276,"problem_id":"abc287_a"},{"id":38380511,"contest_id":"abc287","epoch_second":1674907448,"problem_id":"abc287_b"},{"id":38385333,"contest_id":"abc287","epoch_second":1674907692,"problem_id":"abc287_c"},{"id":38393362,"contest_id":"abc287","epoch_second":1674908330,"problem_id":"abc287_d"},{"id":38412216,"contest_id":"abc287","epoch_second":1674911098,"problem_id":"abc287_e"},{"id":38428480,"contest_id":"abc287","epoch_second":1674918024,"problem_id":"abc287_g"},{"id":38448754,"contest_id":"ahc017","epoch_second":1674986534,"problem_id":"ahc017_a"},{"id":38467740,"contest_id":"joi2022yo1b","epoch_second":1675004744,"problem_id":"joi2022_yo1b_b"},{"id":38467749,"contest_id":"joi2022yo1b","epoch_second":1675004766,"problem_id":"joi2022_yo1b_c"},{"id":38468185,"contest_id":"ahc017","epoch_second":1675006093,"problem_id":"ahc017_a"},{"id":38468683,"contest_id":"ahc017","epoch_second":1675007893,"problem_id":"ahc017_a"},{"id":38469764,"contest_id":"ahc017","epoch_second":1675013071,"problem_id":"ahc017_a"},{"id":38473035,"contest_id":"ahc017","epoch_second":1675041787,"problem_id":"ahc017_a"},{"id":38476882,"contest_id":"ahc017","epoch_second":1675055252,"problem_id":"ahc017_a"},{"id":38477275,"contest_id":"ahc017","epoch_second":1675057060,"problem_id":"ahc017_a"},{"id":38490048,"contest_id":"abc021","epoch_second":1675091855,"problem_id":"abc021_c"},{"id":38511848,"contest_id":"abc245","epoch_second":1675178839,"problem_id":"abc245_f"},{"id":38512091,"contest_id":"ahc017","epoch_second":1675179710,"problem_id":"ahc017_a"},{"id":38515005,"contest_id":"ahc017","epoch_second":1675200657,"problem_id":"ahc017_a"},{"id":38655716,"contest_id":"ahc017","epoch_second":1675200657,"problem_id":"ahc017_b"},{"id":38531872,"contest_id":"joi2022yo1a","epoch_second":1675263777,"problem_id":"joi2022_yo1a_d"},{"id":38554299,"contest_id":"joi2022yo1b","epoch_second":1675350003,"problem_id":"joi2022_yo1b_d"},{"id":38577154,"contest_id":"abc164","epoch_second":1675438131,"problem_id":"abc164_d"},{"id":38594342,"contest_id":"abc288","epoch_second":1675512026,"problem_id":"abc288_a"},{"id":38597213,"contest_id":"abc288","epoch_second":1675512079,"problem_id":"abc288_b"},{"id":38600064,"contest_id":"abc288","epoch_second":1675512155,"problem_id":"abc288_c"},{"id":38627414,"contest_id":"abc015","epoch_second":1675523539,"problem_id":"abc015_4"},{"id":38652530,"contest_id":"abc026","epoch_second":1675610464,"problem_id":"abc026_d"},{"id":38676987,"contest_id":"abc021","epoch_second":1675696692,"problem_id":"abc021_d"},{"id":38698950,"contest_id":"abc030","epoch_second":1675783329,"problem_id":"abc030_d"},{"id":38699038,"contest_id":"abc030","epoch_second":1675783598,"problem_id":"abc030_d"},{"id":38720573,"contest_id":"abc040","epoch_second":1675868832,"problem_id":"abc040_d"},{"id":38740661,"contest_id":"past202206-open","epoch_second":1675954844,"problem_id":"past202206_b"},{"id":38761113,"contest_id":"past202206-open","epoch_second":1676042224,"problem_id":"past202206_c"},{"id":38779299,"contest_id":"abc289","epoch_second":1676116855,"problem_id":"abc289_a"},{"id":38785342,"contest_id":"abc289","epoch_second":1676117162,"problem_id":"abc289_b"},{"id":38786831,"contest_id":"abc289","epoch_second":1676117326,"problem_id":"abc289_c"},{"id":38788585,"contest_id":"abc289","epoch_second":1676117509,"problem_id":"abc289_d"},{"id":38796337,"contest_id":"abc289","epoch_second":1676118464,"problem_id":"abc289_e"},{"id":38823773,"contest_id":"past202203-open","epoch_second":1676130633,"problem_id":"past202203_d"},{"id":38849979,"contest_id":"past202206-open","epoch_second":1676215026,"problem_id":"past202206_d"},{"id":38871303,"contest_id":"abc044","epoch_second":1676303284,"problem_id":"arc060_a"},{"id":38891386,"contest_id":"abc010","epoch_second":1676386982,"problem_id":"abc010_4"},{"id":38911661,"contest_id":"abc073","epoch_second":1676476694,"problem_id":"abc073_d"},{"id":38931241,"contest_id":"aising2019","epoch_second":1676560664,"problem_id":"aising2019_c"},{"id":38949358,"contest_id":"joig2023-open","epoch_second":1676647122,"problem_id":"joig2023_a"},{"id":38959532,"contest_id":"ahc018","epoch_second":1676701232,"problem_id":"ahc018_a"},{"id":38962337,"contest_id":"ahc018","epoch_second":1676708008,"problem_id":"ahc018_a"},{"id":38963315,"contest_id":"ahc018","epoch_second":1676710494,"problem_id":"ahc018_a"},{"id":38964764,"contest_id":"ahc018","epoch_second":1676714213,"problem_id":"ahc018_a"},{"id":38965423,"contest_id":"ahc018","epoch_second":1676716177,"problem_id":"ahc018_a"},{"id":38988459,"contest_id":"arc156","epoch_second":1676732578,"problem_id":"arc156_a"},{"id":38989344,"contest_id":"ahc018","epoch_second":1676734730,"problem_id":"ahc018_a"},{"id":39009796,"contest_id":"abc290","epoch_second":1676808067,"problem_id":"abc290_a"},{"id":39012983,"contest_id":"abc290","epoch_second":1676808174,"problem_id":"abc290_b"},{"id":39015954,"contest_id":"abc290","epoch_second":1676808309,"problem_id":"abc290_c"},{"id":39029227,"contest_id":"abc290","epoch_second":1676809834,"problem_id":"abc290_d"},{"id":39050053,"contest_id":"abc049","epoch_second":1676819000,"problem_id":"arc065_b"},{"id":39050679,"contest_id":"ahc018","epoch_second":1676820697,"problem_id":"ahc018_a"},{"id":39051484,"contest_id":"ahc018","epoch_second":1676823128,"problem_id":"ahc018_a"},{"id":39063873,"contest_id":"ahc018","epoch_second":1676883029,"problem_id":"ahc018_a"},{"id":39064949,"contest_id":"ahc018","epoch_second":1676886049,"problem_id":"ahc018_a"},{"id":39065862,"contest_id":"ahc018","epoch_second":1676888474,"problem_id":"ahc018_a"},{"id":39074038,"contest_id":"joig2023-open","epoch_second":1676908308,"problem_id":"joig2023_b"},{"id":39074227,"contest_id":"ahc018","epoch_second":1676909072,"problem_id":"ahc018_a"},{"id":39074656,"contest_id":"ahc018","epoch_second":1676910872,"problem_id":"ahc018_a"},{"id":39081243,"contest_id":"ahc018","epoch_second":1676953309,"problem_id":"ahc018_a"},{"id":39083270,"contest_id":"ahc018","epoch_second":1676960595,"problem_id":"ahc018_a"},{"id":39083900,"contest_id":"ahc018","epoch_second":1676962778,"problem_id":"ahc018_a"},{"id":39084466,"contest_id":"ahc018","epoch_second":1676964580,"problem_id":"ahc018_a"},{"id":39095347,"contest_id":"joig2023-open","epoch_second":1676994704,"problem_id":"joig2023_c"},{"id":39117557,"contest_id":"tkppc3","epoch_second":1677081862,"problem_id":"tkppc3_b"},{"id":39125521,"contest_id":"ahc018","epoch_second":1677130250,"problem_id":"ahc018_a"},{"id":39126455,"contest_id":"ahc018","epoch_second":1677133411,"problem_id":"ahc018_a"},{"id":39127217,"contest_id":"ahc018","epoch_second":1677135371,"problem_id":"ahc018_a"},{"id":39128690,"contest_id":"ahc018","epoch_second":1677139401,"problem_id":"ahc018_a"},{"id":39131747,"contest_id":"ahc018","epoch_second":1677148392,"problem_id":"ahc018_a"},{"id":39132503,"contest_id":"ahc018","epoch_second":1677150620,"problem_id":"ahc018_a"},{"id":39138975,"contest_id":"joi2022yo1c","epoch_second":1677165609,"problem_id":"joi2022_yo1c_b"},{"id":39159613,"contest_id":"joi2022yo1c","epoch_second":1677251070,"problem_id":"joi2022_yo1c_c"},{"id":39202686,"contest_id":"arc157","epoch_second":1677338580,"problem_id":"arc157_a"},{"id":39203904,"contest_id":"ahc018","epoch_second":1677342952,"problem_id":"ahc018_a"},{"id":39208167,"contest_id":"ahc018","epoch_second":1677374484,"problem_id":"ahc018_a"},{"id":39209280,"contest_id":"ahc018","epoch_second":1677377836,"problem_id":"ahc018_a"},{"id":39256470,"contest_id":"abc291","epoch_second":1677416364,"problem_id":"abc291_a"},{"id":39257041,"contest_id":"abc291","epoch_second":1677416492,"problem_id":"abc291_b"},{"id":39257257,"contest_id":"abc291","epoch_second":1677416542,"problem_id":"abc291_c"},{"id":39258313,"contest_id":"abc291","epoch_second":1677416772,"problem_id":"abc291_d"},{"id":39269171,"contest_id":"abc291","epoch_second":1677419816,"problem_id":"abc291_e"},{"id":39273044,"contest_id":"abc074","epoch_second":1677424487,"problem_id":"arc083_a"},{"id":39303459,"contest_id":"abc135","epoch_second":1677548967,"problem_id":"abc135_d"},{"id":39320331,"contest_id":"past202209-open","epoch_second":1677597759,"problem_id":"past202209_a"},{"id":39341012,"contest_id":"past202004-open","epoch_second":1677684042,"problem_id":"past202004_h"},{"id":39361570,"contest_id":"past202004-open","epoch_second":1677770121,"problem_id":"past202004_i"},{"id":39381264,"contest_id":"past202005-open","epoch_second":1677856895,"problem_id":"past202005_h"},{"id":39449971,"contest_id":"past202209-open","epoch_second":1677943886,"problem_id":"past202209_b"},{"id":39474855,"contest_id":"abc292","epoch_second":1678028891,"problem_id":"abc292_a"},{"id":39495691,"contest_id":"abc292","epoch_second":1678114942,"problem_id":"abc292_b"},{"id":39519925,"contest_id":"abc292","epoch_second":1678203612,"problem_id":"abc292_c"},{"id":39541179,"contest_id":"abc292","epoch_second":1678287620,"problem_id":"abc292_d"},{"id":39561875,"contest_id":"abc292","epoch_second":1678375259,"problem_id":"abc292_e"},{"id":39581823,"contest_id":"past202209-open","epoch_second":1678461106,"problem_id":"past202209_c"},{"id":39647896,"contest_id":"abc293","epoch_second":1678546832,"problem_id":"abc293_a"},{"id":39686858,"contest_id":"abc293","epoch_second":1678636717,"problem_id":"abc293_b"},{"id":39710456,"contest_id":"abc293","epoch_second":1678722536,"problem_id":"abc293_c"},{"id":39732955,"contest_id":"arc158","epoch_second":1678807901,"problem_id":"arc158_a"},{"id":39754797,"contest_id":"abc293","epoch_second":1678893575,"problem_id":"abc293_d"},{"id":39775657,"contest_id":"arc107","epoch_second":1678981845,"problem_id":"arc107_c"},{"id":39795838,"contest_id":"arc046","epoch_second":1679065854,"problem_id":"arc046_b"},{"id":39816555,"contest_id":"ahc019","epoch_second":1679135549,"problem_id":"ahc019_a"},{"id":39823222,"contest_id":"ahc019","epoch_second":1679151188,"problem_id":"ahc019_a"},{"id":39823841,"contest_id":"typical90","epoch_second":1679152997,"problem_id":"typical90_aq"},{"id":39845807,"contest_id":"abc294","epoch_second":1679227439,"problem_id":"abc294_a"},{"id":39847699,"contest_id":"abc294","epoch_second":1679227531,"problem_id":"abc294_b"},{"id":39849389,"contest_id":"abc294","epoch_second":1679227632,"problem_id":"abc294_c"},{"id":39851496,"contest_id":"abc294","epoch_second":1679227774,"problem_id":"abc294_d"},{"id":39857131,"contest_id":"abc294","epoch_second":1679228301,"problem_id":"abc294_e"},{"id":39885385,"contest_id":"typical90","epoch_second":1679239199,"problem_id":"typical90_bt"},{"id":39894837,"contest_id":"ahc019","epoch_second":1679291066,"problem_id":"ahc019_a"},{"id":39896186,"contest_id":"ahc019","epoch_second":1679295422,"problem_id":"ahc019_a"},{"id":39909403,"contest_id":"typical90","epoch_second":1679327210,"problem_id":"typical90_m"},{"id":39922742,"contest_id":"ahc019","epoch_second":1679388960,"problem_id":"ahc019_a"},{"id":39923615,"contest_id":"ahc019","epoch_second":1679390822,"problem_id":"ahc019_a"},{"id":40300266,"contest_id":"ahc019","epoch_second":1679390822,"problem_id":"ahc019_b"},{"id":39932426,"contest_id":"tessoku-book","epoch_second":1679411403,"problem_id":"tessoku_book_a"},{"id":39953738,"contest_id":"typical90","epoch_second":1679498146,"problem_id":"typical90_ac"},{"id":39974385,"contest_id":"tessoku-book","epoch_second":1679583745,"problem_id":"tessoku_book_b"},{"id":39995301,"contest_id":"tessoku-book","epoch_second":1679670162,"problem_id":"tessoku_book_c"},{"id":40031056,"contest_id":"abc295","epoch_second":1679746353,"problem_id":"abc295_a"},{"id":40032879,"contest_id":"abc295","epoch_second":1679746523,"problem_id":"abc295_b"},{"id":40033594,"contest_id":"abc295","epoch_second":1679746595,"problem_id":"abc295_c"},{"id":40036490,"contest_id":"abc295","epoch_second":1679746934,"problem_id":"abc295_d"},{"id":40059031,"contest_id":"abc295","epoch_second":1679756417,"problem_id":"abc295_g"},{"id":40085334,"contest_id":"tessoku-book","epoch_second":1679843180,"problem_id":"tessoku_book_d"},{"id":40108393,"contest_id":"tessoku-book","epoch_second":1679929366,"problem_id":"tessoku_book_e"},{"id":40116329,"contest_id":"pakencamp-2022-day2","epoch_second":1679979344,"problem_id":"pakencamp_2022_day2_a"},{"id":40117208,"contest_id":"pakencamp-2022-day2","epoch_second":1679981804,"problem_id":"pakencamp_2022_day2_b"},{"id":40129790,"contest_id":"tessoku-book","epoch_second":1680016404,"problem_id":"math_and_algorithm_ai"},{"id":40151662,"contest_id":"tessoku-book","epoch_second":1680103487,"problem_id":"tessoku_book_g"},{"id":40170399,"contest_id":"tessoku-book","epoch_second":1680189389,"problem_id":"tessoku_book_h"},{"id":40189231,"contest_id":"tessoku-book","epoch_second":1680274956,"problem_id":"tessoku_book_i"},{"id":40207086,"contest_id":"abc296","epoch_second":1680350465,"problem_id":"abc296_a"},{"id":40211294,"contest_id":"abc296","epoch_second":1680350628,"problem_id":"abc296_b"},{"id":40213825,"contest_id":"abc296","epoch_second":1680350749,"problem_id":"abc296_c"},{"id":40226154,"contest_id":"abc296","epoch_second":1680351517,"problem_id":"abc296_d"},{"id":40241218,"contest_id":"abc296","epoch_second":1680353165,"problem_id":"abc296_e"},{"id":40272108,"contest_id":"abc296","epoch_second":1680361226,"problem_id":"abc296_f"},{"id":40298931,"contest_id":"tessoku-book","epoch_second":1680451138,"problem_id":"tessoku_book_j"},{"id":40318411,"contest_id":"tessoku-book","epoch_second":1680534246,"problem_id":"tessoku_book_k"},{"id":40338585,"contest_id":"typical90","epoch_second":1680622132,"problem_id":"typical90_bd"},{"id":40356318,"contest_id":"chokudai_S002","epoch_second":1680707206,"problem_id":"chokudai_S002_f"},{"id":40374094,"contest_id":"tessoku-book","epoch_second":1680793210,"problem_id":"tessoku_book_l"},{"id":40393488,"contest_id":"tessoku-book","epoch_second":1680879674,"problem_id":"tessoku_book_m"},{"id":40430443,"contest_id":"arc159","epoch_second":1680966963,"problem_id":"arc159_a"},{"id":40476969,"contest_id":"abc297","epoch_second":1681043809,"problem_id":"abc297_a"},{"id":40478041,"contest_id":"abc297","epoch_second":1681043976,"problem_id":"abc297_b"},{"id":40478827,"contest_id":"abc297","epoch_second":1681044109,"problem_id":"abc297_c"},{"id":40479991,"contest_id":"abc297","epoch_second":1681044320,"problem_id":"abc297_d"},{"id":40483879,"contest_id":"abc297","epoch_second":1681045130,"problem_id":"abc297_e"},{"id":40497552,"contest_id":"tessoku-book","epoch_second":1681052411,"problem_id":"tessoku_book_n"},{"id":40520269,"contest_id":"tessoku-book","epoch_second":1681139604,"problem_id":"tessoku_book_o"},{"id":40546700,"contest_id":"tessoku-book","epoch_second":1681226827,"problem_id":"tessoku_book_p"},{"id":40569770,"contest_id":"tessoku-book","epoch_second":1681311666,"problem_id":"tessoku_book_q"},{"id":40592147,"contest_id":"tessoku-book","epoch_second":1681398283,"problem_id":"tessoku_book_r"},{"id":40613243,"contest_id":"tessoku-book","epoch_second":1681484554,"problem_id":"tessoku_book_s"},{"id":40658660,"contest_id":"abc298","epoch_second":1681562936,"problem_id":"abc298_a"},{"id":40660113,"contest_id":"abc298","epoch_second":1681563148,"problem_id":"abc298_b"},{"id":40661461,"contest_id":"abc298","epoch_second":1681563365,"problem_id":"abc298_c"},{"id":40662510,"contest_id":"abc298","epoch_second":1681563536,"problem_id":"abc298_d"},{"id":40671820,"contest_id":"abc298","epoch_second":1681565283,"problem_id":"abc298_e"},{"id":40681897,"contest_id":"abc298","epoch_second":1681572108,"problem_id":"abc298_f"},{"id":40708426,"contest_id":"math-and-algorithm","epoch_second":1681657971,"problem_id":"math_and_algorithm_ae"},{"id":40731480,"contest_id":"math-and-algorithm","epoch_second":1681744971,"problem_id":"math_and_algorithm_af"},{"id":40752466,"contest_id":"gigacode-2019","epoch_second":1681835271,"problem_id":"gigacode_2019_a"},{"id":40772924,"contest_id":"gigacode-2019","epoch_second":1681917704,"problem_id":"gigacode_2019_b"},{"id":40793438,"contest_id":"math-and-algorithm","epoch_second":1682003650,"problem_id":"math_and_algorithm_ag"},{"id":40793443,"contest_id":"math-and-algorithm","epoch_second":1682003667,"problem_id":"math_and_algorithm_ag"},{"id":40812601,"contest_id":"math-and-algorithm","epoch_second":1682090355,"problem_id":"math_and_algorithm_aj"},{"id":40828943,"contest_id":"abc299","epoch_second":1682164909,"problem_id":"abc299_a"},{"id":40834038,"contest_id":"abc299","epoch_second":1682165191,"problem_id":"abc299_b"},{"id":40840401,"contest_id":"abc299","epoch_second":1682165697,"problem_id":"abc299_c"},{"id":40844727,"contest_id":"abc299","epoch_second":1682165963,"problem_id":"abc299_d"},{"id":40854708,"contest_id":"abc299","epoch_second":1682166830,"problem_id":"abc299_e"},{"id":40884092,"contest_id":"abc224","epoch_second":1682175620,"problem_id":"abc224_d"},{"id":40906874,"contest_id":"diverta2019-2","epoch_second":1682264379,"problem_id":"diverta2019_2_c"},{"id":40927247,"contest_id":"chokudai_S002","epoch_second":1682348634,"problem_id":"chokudai_S002_g"},{"id":40946667,"contest_id":"chokudai_S002","epoch_second":1682435343,"problem_id":"chokudai_S002_h"},{"id":40965896,"contest_id":"tkppc","epoch_second":1682522293,"problem_id":"tkppc2015_a"},{"id":40984849,"contest_id":"iroha2019-day1","epoch_second":1682609476,"problem_id":"iroha2019_day1_d"},{"id":41003445,"contest_id":"tkppc","epoch_second":1682694290,"problem_id":"tkppc2015_b"},{"id":41021247,"contest_id":"abc300","epoch_second":1682769642,"problem_id":"abc300_a"},{"id":41025485,"contest_id":"abc300","epoch_second":1682769804,"problem_id":"abc300_b"},{"id":41029065,"contest_id":"abc300","epoch_second":1682770225,"problem_id":"abc300_c"},{"id":41035167,"contest_id":"abc300","epoch_second":1682771365,"problem_id":"abc300_d"},{"id":41039470,"contest_id":"abc300","epoch_second":1682772335,"problem_id":"abc300_e"},{"id":41056854,"contest_id":"math-and-algorithm","epoch_second":1682782030,"problem_id":"math_and_algorithm_ak"},{"id":41079877,"contest_id":"abc103","epoch_second":1682869713,"problem_id":"abc103_d"},{"id":41103686,"contest_id":"abc078","epoch_second":1682956225,"problem_id":"arc085_b"},{"id":41138682,"contest_id":"joi2020yo1b","epoch_second":1683100681,"problem_id":"joi2020_yo1b_a"},{"id":41147837,"contest_id":"abc062","epoch_second":1683127399,"problem_id":"arc074_a"},{"id":41169149,"contest_id":"abc096","epoch_second":1683213417,"problem_id":"abc096_d"},{"id":41194875,"contest_id":"arc052","epoch_second":1683299535,"problem_id":"arc052_b"},{"id":41216264,"contest_id":"tenka1-2013-qualb","epoch_second":1683385279,"problem_id":"tenka1_2013_qualB_b"},{"id":41236478,"contest_id":"past202212-open","epoch_second":1683471834,"problem_id":"past202212_a"},{"id":41256214,"contest_id":"past202212-open","epoch_second":1683558215,"problem_id":"past202212_b"},{"id":41275171,"contest_id":"past202212-open","epoch_second":1683645259,"problem_id":"past202212_c"},{"id":41292657,"contest_id":"past202209-open","epoch_second":1683731224,"problem_id":"past202209_d"},{"id":41305318,"contest_id":"abc198","epoch_second":1683800648,"problem_id":"abc198_a"},{"id":41305354,"contest_id":"abc128","epoch_second":1683800775,"problem_id":"abc128_a"},{"id":41305384,"contest_id":"abc057","epoch_second":1683800863,"problem_id":"abc057_a"},{"id":41310982,"contest_id":"past202203-open","epoch_second":1683818573,"problem_id":"past202203_e"},{"id":41315804,"contest_id":"abc232","epoch_second":1683859226,"problem_id":"abc232_b"},{"id":41328646,"contest_id":"NYC2015","epoch_second":1683905741,"problem_id":"nyc2015_1"},{"id":41344510,"contest_id":"abc301","epoch_second":1683979318,"problem_id":"abc301_a"},{"id":41346656,"contest_id":"abc301","epoch_second":1683979416,"problem_id":"abc301_b"},{"id":41354168,"contest_id":"abc301","epoch_second":1683979933,"problem_id":"abc301_c"},{"id":41357540,"contest_id":"abc301","epoch_second":1683980247,"problem_id":"abc301_d"},{"id":41377784,"contest_id":"abc301","epoch_second":1683983030,"problem_id":"abc301_e"},{"id":41397968,"contest_id":"abc128","epoch_second":1683991398,"problem_id":"abc128_d"},{"id":41425342,"contest_id":"arc160","epoch_second":1684076612,"problem_id":"arc160_a"},{"id":41447230,"contest_id":"abc173","epoch_second":1684163986,"problem_id":"abc173_e"},{"id":41465826,"contest_id":"past202212-open","epoch_second":1684249850,"problem_id":"past202212_d"},{"id":41484058,"contest_id":"past202206-open","epoch_second":1684335632,"problem_id":"past202206_e"},{"id":41495264,"contest_id":"abc151","epoch_second":1684402121,"problem_id":"abc151_a"},{"id":41495293,"contest_id":"abc127","epoch_second":1684402193,"problem_id":"abc127_b"},{"id":41495327,"contest_id":"abc124","epoch_second":1684402275,"problem_id":"abc124_b"},{"id":41495359,"contest_id":"abc084","epoch_second":1684402365,"problem_id":"abc084_b"},{"id":41495379,"contest_id":"m-solutions2020","epoch_second":1684402416,"problem_id":"m_solutions2020_c"},{"id":41495412,"contest_id":"agc037","epoch_second":1684402485,"problem_id":"agc037_a"},{"id":41495529,"contest_id":"keyence2021","epoch_second":1684402851,"problem_id":"keyence2021_b"},{"id":41495565,"contest_id":"diverta2019","epoch_second":1684402967,"problem_id":"diverta2019_b"},{"id":41502373,"contest_id":"abc046","epoch_second":1684422556,"problem_id":"arc062_a"},{"id":41520534,"contest_id":"past202212-open","epoch_second":1684509373,"problem_id":"past202212_e"},{"id":41524766,"contest_id":"abc106","epoch_second":1684547502,"problem_id":"abc106_c"},{"id":41536649,"contest_id":"abc302","epoch_second":1684584037,"problem_id":"abc302_a"},{"id":41544405,"contest_id":"abc302","epoch_second":1684584516,"problem_id":"abc302_b"},{"id":41545748,"contest_id":"abc302","epoch_second":1684584677,"problem_id":"abc302_c"},{"id":41548326,"contest_id":"abc302","epoch_second":1684584983,"problem_id":"abc302_d"},{"id":41552589,"contest_id":"abc302","epoch_second":1684585495,"problem_id":"abc302_e"},{"id":41561763,"contest_id":"abc302","epoch_second":1684586777,"problem_id":"abc302_f"},{"id":41587114,"contest_id":"dwacon5th-prelims","epoch_second":1684597385,"problem_id":"dwacon5th_prelims_b"},{"id":41613115,"contest_id":"agc062","epoch_second":1684683538,"problem_id":"agc062_a"},{"id":41633987,"contest_id":"past202209-open","epoch_second":1684767894,"problem_id":"past202209_e"},{"id":41656005,"contest_id":"arc030","epoch_second":1684857922,"problem_id":"arc030_2"},{"id":41674573,"contest_id":"math-and-algorithm","epoch_second":1684942662,"problem_id":"math_and_algorithm_bq"},{"id":41692936,"contest_id":"math-and-algorithm","epoch_second":1685030335,"problem_id":"math_and_algorithm_bg"},{"id":41710516,"contest_id":"tessoku-book","epoch_second":1685114180,"problem_id":"tessoku_book_t"},{"id":41726477,"contest_id":"abc303","epoch_second":1685188908,"problem_id":"abc303_a"},{"id":41729149,"contest_id":"abc303","epoch_second":1685189052,"problem_id":"abc303_b"},{"id":41734099,"contest_id":"abc303","epoch_second":1685189356,"problem_id":"abc303_c"},{"id":41742187,"contest_id":"abc303","epoch_second":1685190068,"problem_id":"abc303_d"},{"id":41751097,"contest_id":"abc303","epoch_second":1685191047,"problem_id":"abc303_e"},{"id":41780930,"contest_id":"gwcontest2015","epoch_second":1685201617,"problem_id":"gw2015_a"},{"id":41818082,"contest_id":"abc065","epoch_second":1685286020,"problem_id":"arc076_b"},{"id":41838742,"contest_id":"arc161","epoch_second":1685372782,"problem_id":"arc161_a"},{"id":41859084,"contest_id":"arc161","epoch_second":1685460284,"problem_id":"arc161_b"},{"id":41877069,"contest_id":"bcu30-2019-qual","epoch_second":1685545758,"problem_id":"bcu30_2019_qual_a"},{"id":41896346,"contest_id":"bcu30","epoch_second":1685633435,"problem_id":"bcu30_a"},{"id":41916187,"contest_id":"tessoku-book","epoch_second":1685721102,"problem_id":"math_and_algorithm_ap"},{"id":41934958,"contest_id":"abc304","epoch_second":1685793852,"problem_id":"abc304_a"},{"id":41936914,"contest_id":"abc304","epoch_second":1685793948,"problem_id":"abc304_b"},{"id":41939316,"contest_id":"abc304","epoch_second":1685794081,"problem_id":"abc304_c"},{"id":41944295,"contest_id":"abc304","epoch_second":1685794438,"problem_id":"abc304_d"},{"id":41952307,"contest_id":"abc304","epoch_second":1685795318,"problem_id":"abc304_e"},{"id":41969717,"contest_id":"abc304","epoch_second":1685798541,"problem_id":"abc304_f"},{"id":41981129,"contest_id":"math-and-algorithm","epoch_second":1685806012,"problem_id":"math_and_algorithm_al"},{"id":42005502,"contest_id":"math-and-algorithm","epoch_second":1685892136,"problem_id":"math_and_algorithm_am"},{"id":42025155,"contest_id":"math-and-algorithm","epoch_second":1685977212,"problem_id":"math_and_algorithm_an"},{"id":42044662,"contest_id":"math-and-algorithm","epoch_second":1686064220,"problem_id":"math_and_algorithm_ao"},{"id":42063511,"contest_id":"math-and-algorithm","epoch_second":1686150010,"problem_id":"math_and_algorithm_aq"},{"id":42082917,"contest_id":"past202303-open","epoch_second":1686236870,"problem_id":"past202303_a"},{"id":42102924,"contest_id":"past202303-open","epoch_second":1686324453,"problem_id":"past202303_b"},{"id":42167499,"contest_id":"abc305","epoch_second":1686404790,"problem_id":"abc305_a"},{"id":42167667,"contest_id":"abc305","epoch_second":1686404868,"problem_id":"abc305_b"},{"id":42168221,"contest_id":"abc305","epoch_second":1686405136,"problem_id":"abc305_c"},{"id":42171928,"contest_id":"abc305","epoch_second":1686408622,"problem_id":"abc305_d"},{"id":42172167,"contest_id":"abc305","epoch_second":1686408973,"problem_id":"abc305_e"},{"id":42172772,"contest_id":"abc305","epoch_second":1686409989,"problem_id":"abc305_f"},{"id":42184317,"contest_id":"ahc020","epoch_second":1686463245,"problem_id":"ahc020_a"},{"id":42186701,"contest_id":"ahc020","epoch_second":1686466858,"problem_id":"ahc020_a"},{"id":42187025,"contest_id":"ahc020","epoch_second":1686467280,"problem_id":"ahc020_a"},{"id":42187719,"contest_id":"ahc020","epoch_second":1686468242,"problem_id":"ahc020_a"},{"id":42188103,"contest_id":"ahc020","epoch_second":1686468697,"problem_id":"ahc020_a"},{"id":42190533,"contest_id":"ahc020","epoch_second":1686471505,"problem_id":"ahc020_a"},{"id":42191375,"contest_id":"ahc020","epoch_second":1686472472,"problem_id":"ahc020_a"},{"id":42193765,"contest_id":"ahc020","epoch_second":1686474966,"problem_id":"ahc020_a"},{"id":42194117,"contest_id":"ahc020","epoch_second":1686475328,"problem_id":"ahc020_a"},{"id":42203650,"contest_id":"abc119","epoch_second":1686495672,"problem_id":"abc119_d"},{"id":42224104,"contest_id":"past202303-open","epoch_second":1686583884,"problem_id":"past202303_c"},{"id":42242606,"contest_id":"math-and-algorithm","epoch_second":1686668421,"problem_id":"math_and_algorithm_as"},{"id":42249860,"contest_id":"ahc020","epoch_second":1686717833,"problem_id":"ahc020_a"},{"id":42261930,"contest_id":"agc019","epoch_second":1686755817,"problem_id":"agc019_b"},{"id":42284177,"contest_id":"arc142","epoch_second":1686874591,"problem_id":"arc142_c"},{"id":42299331,"contest_id":"abc055","epoch_second":1686928804,"problem_id":"arc069_b"},{"id":42315636,"contest_id":"abc306","epoch_second":1687003253,"problem_id":"abc306_a"},{"id":42318393,"contest_id":"abc306","epoch_second":1687003306,"problem_id":"abc306_b"},{"id":42324618,"contest_id":"abc306","epoch_second":1687003475,"problem_id":"abc306_c"},{"id":42329939,"contest_id":"abc306","epoch_second":1687003698,"problem_id":"abc306_d"},{"id":42343855,"contest_id":"abc306","epoch_second":1687004843,"problem_id":"abc306_e"},{"id":42359475,"contest_id":"abc306","epoch_second":1687007934,"problem_id":"abc306_f"},{"id":42369779,"contest_id":"arc111","epoch_second":1687015148,"problem_id":"arc111_b"},{"id":42730727,"contest_id":"arc162","epoch_second":1687102290,"problem_id":"arc162_a"},{"id":42751841,"contest_id":"arc162","epoch_second":1687188264,"problem_id":"arc162_b"},{"id":42771652,"contest_id":"dp","epoch_second":1687276045,"problem_id":"dp_j"},{"id":42790921,"contest_id":"jag2013autumn","epoch_second":1687360212,"problem_id":"icpc2013autumn_b"},{"id":42832970,"contest_id":"tdpc","epoch_second":1687448626,"problem_id":"tdpc_contest"},{"id":42874294,"contest_id":"typical90","epoch_second":1687533092,"problem_id":"typical90_ay"},{"id":42905859,"contest_id":"abc307","epoch_second":1687609265,"problem_id":"abc307_a"},{"id":42906289,"contest_id":"abc307","epoch_second":1687609333,"problem_id":"abc307_b"},{"id":42927649,"contest_id":"abc307","epoch_second":1687613761,"problem_id":"abc307_d"},{"id":42932023,"contest_id":"abc307","epoch_second":1687615425,"problem_id":"abc307_c"},{"id":42934428,"contest_id":"abc307","epoch_second":1687618823,"problem_id":"abc307_e"},{"id":42946868,"contest_id":"ahc021","epoch_second":1687674532,"problem_id":"ahc021_a"},{"id":42947907,"contest_id":"ahc021","epoch_second":1687675941,"problem_id":"ahc021_a"},{"id":42948154,"contest_id":"ahc021","epoch_second":1687676245,"problem_id":"ahc021_a"},{"id":42948418,"contest_id":"ahc021","epoch_second":1687676545,"problem_id":"ahc021_a"},{"id":42948670,"contest_id":"ahc021","epoch_second":1687676846,"problem_id":"ahc021_a"},{"id":42948919,"contest_id":"ahc021","epoch_second":1687677153,"problem_id":"ahc021_a"},{"id":42949205,"contest_id":"ahc021","epoch_second":1687677517,"problem_id":"ahc021_a"},{"id":42949822,"contest_id":"ahc021","epoch_second":1687678185,"problem_id":"ahc021_a"},{"id":42951971,"contest_id":"ahc021","epoch_second":1687680564,"problem_id":"ahc021_a"},{"id":42952674,"contest_id":"ahc021","epoch_second":1687681356,"problem_id":"ahc021_a"},{"id":42953149,"contest_id":"ahc021","epoch_second":1687681943,"problem_id":"ahc021_a"},{"id":42953736,"contest_id":"ahc021","epoch_second":1687682609,"problem_id":"ahc021_a"},{"id":42955035,"contest_id":"ahc021","epoch_second":1687684043,"problem_id":"ahc021_a"},{"id":42956562,"contest_id":"ahc021","epoch_second":1687685575,"problem_id":"ahc021_a"},{"id":42956939,"contest_id":"ahc021","epoch_second":1687685921,"problem_id":"ahc021_a"},{"id":42957288,"contest_id":"ahc021","epoch_second":1687686223,"problem_id":"ahc021_a"},{"id":42957644,"contest_id":"ahc021","epoch_second":1687686523,"problem_id":"ahc021_a"},{"id":42958073,"contest_id":"ahc021","epoch_second":1687686828,"problem_id":"ahc021_a"},{"id":42958488,"contest_id":"ahc021","epoch_second":1687687131,"problem_id":"ahc021_a"},{"id":42965887,"contest_id":"abc196","epoch_second":1687706906,"problem_id":"abc196_d"},{"id":42970083,"contest_id":"ahc021","epoch_second":1687742063,"problem_id":"ahc021_a"},{"id":42970238,"contest_id":"ahc021","epoch_second":1687742769,"problem_id":"ahc021_a"},{"id":42970312,"contest_id":"ahc021","epoch_second":1687743112,"problem_id":"ahc021_a"},{"id":42970380,"contest_id":"ahc021","epoch_second":1687743416,"problem_id":"ahc021_a"},{"id":42986819,"contest_id":"abc123","epoch_second":1687791722,"problem_id":"abc123_d"},{"id":43007701,"contest_id":"abc155","epoch_second":1687878192,"problem_id":"abc155_e"},{"id":43032639,"contest_id":"abc060","epoch_second":1687968515,"problem_id":"arc073_b"},{"id":43051996,"contest_id":"joi2022yo2","epoch_second":1688052640,"problem_id":"joi2022_yo2_a"},{"id":43071284,"contest_id":"code-festival-2018-quala","epoch_second":1688138111,"problem_id":"code_festival_2018_quala_b"},{"id":43079441,"contest_id":"abc219","epoch_second":1688190848,"problem_id":"abc219_a"},{"id":43079449,"contest_id":"abc174","epoch_second":1688190871,"problem_id":"abc174_a"},{"id":43079459,"contest_id":"abc192","epoch_second":1688190902,"problem_id":"abc192_a"},{"id":43079468,"contest_id":"abc164","epoch_second":1688190934,"problem_id":"abc164_a"},{"id":43079485,"contest_id":"abc251","epoch_second":1688190974,"problem_id":"abc251_a"},{"id":43079498,"contest_id":"abc234","epoch_second":1688191018,"problem_id":"abc234_a"},{"id":43079504,"contest_id":"abc256","epoch_second":1688191036,"problem_id":"abc256_a"},{"id":43079519,"contest_id":"abc300","epoch_second":1688191079,"problem_id":"abc300_a"},{"id":43079537,"contest_id":"abc222","epoch_second":1688191115,"problem_id":"abc222_b"},{"id":43079546,"contest_id":"abc084","epoch_second":1688191138,"problem_id":"abc084_a"},{"id":43079614,"contest_id":"abc151","epoch_second":1688191320,"problem_id":"abc151_a"},{"id":43079654,"contest_id":"abc247","epoch_second":1688191409,"problem_id":"abc247_a"},{"id":43079664,"contest_id":"abc154","epoch_second":1688191429,"problem_id":"abc154_b"},{"id":43079678,"contest_id":"abc177","epoch_second":1688191464,"problem_id":"abc177_a"},{"id":43079686,"contest_id":"abc115","epoch_second":1688191490,"problem_id":"abc115_a"},{"id":43079735,"contest_id":"abc121","epoch_second":1688191677,"problem_id":"abc121_a"},{"id":43079752,"contest_id":"abc138","epoch_second":1688191713,"problem_id":"abc138_a"},{"id":43079763,"contest_id":"abc063","epoch_second":1688191740,"problem_id":"abc063_a"},{"id":43079769,"contest_id":"abc172","epoch_second":1688191776,"problem_id":"abc172_b"},{"id":43079787,"contest_id":"abc108","epoch_second":1688191812,"problem_id":"abc108_a"},{"id":43079813,"contest_id":"abc239","epoch_second":1688191913,"problem_id":"abc239_a"},{"id":43079825,"contest_id":"abc095","epoch_second":1688191951,"problem_id":"abc095_a"},{"id":43079850,"contest_id":"abc280","epoch_second":1688192046,"problem_id":"abc280_b"},{"id":43079881,"contest_id":"tenka1-2019-beginner","epoch_second":1688192117,"problem_id":"tenka1_2019_a"},{"id":43079892,"contest_id":"abc129","epoch_second":1688192151,"problem_id":"abc129_a"},{"id":43079900,"contest_id":"abc268","epoch_second":1688192183,"problem_id":"abc268_b"},{"id":43079945,"contest_id":"abc263","epoch_second":1688192306,"problem_id":"abc263_a"},{"id":43079966,"contest_id":"abc142","epoch_second":1688192370,"problem_id":"abc142_a"},{"id":43079988,"contest_id":"abc236","epoch_second":1688192434,"problem_id":"abc236_b"},{"id":43080039,"contest_id":"abc227","epoch_second":1688192560,"problem_id":"abc227_b"},{"id":43080067,"contest_id":"abc111","epoch_second":1688192638,"problem_id":"abc111_a"},{"id":43080081,"contest_id":"abc201","epoch_second":1688192707,"problem_id":"abc201_b"},{"id":43080089,"contest_id":"abc213","epoch_second":1688192737,"problem_id":"abc213_a"},{"id":43080169,"contest_id":"abc259","epoch_second":1688192957,"problem_id":"abc259_a"},{"id":43080193,"contest_id":"abc283","epoch_second":1688193029,"problem_id":"abc283_b"},{"id":43080224,"contest_id":"keyence2019","epoch_second":1688193112,"problem_id":"keyence2019_a"},{"id":43080264,"contest_id":"abc193","epoch_second":1688193220,"problem_id":"abc193_b"},{"id":43080286,"contest_id":"abc216","epoch_second":1688193274,"problem_id":"abc216_b"},{"id":43080309,"contest_id":"abc196","epoch_second":1688193325,"problem_id":"abc196_b"},{"id":43080337,"contest_id":"abc245","epoch_second":1688193391,"problem_id":"abc245_b"},{"id":43080361,"contest_id":"abc053","epoch_second":1688193457,"problem_id":"abc053_a"},{"id":43080386,"contest_id":"abc229","epoch_second":1688193539,"problem_id":"abc229_b"},{"id":43080409,"contest_id":"abc174","epoch_second":1688193587,"problem_id":"abc174_b"},{"id":43080426,"contest_id":"abc288","epoch_second":1688193626,"problem_id":"abc288_b"},{"id":43080446,"contest_id":"abc069","epoch_second":1688193678,"problem_id":"abc069_a"},{"id":43080498,"contest_id":"abc234","epoch_second":1688193789,"problem_id":"abc234_b"},{"id":43080515,"contest_id":"abc073","epoch_second":1688193827,"problem_id":"abc073_a"},{"id":43080545,"contest_id":"abc274","epoch_second":1688193899,"problem_id":"abc274_b"},{"id":43080566,"contest_id":"abc217","epoch_second":1688193946,"problem_id":"abc217_c"},{"id":43080599,"contest_id":"abc097","epoch_second":1688194017,"problem_id":"abc097_a"},{"id":43080645,"contest_id":"abc261","epoch_second":1688194127,"problem_id":"abc261_a"},{"id":43080686,"contest_id":"abc181","epoch_second":1688194243,"problem_id":"abc181_b"},{"id":43080694,"contest_id":"abc004","epoch_second":1688194265,"problem_id":"abc004_1"},{"id":43080708,"contest_id":"abc048","epoch_second":1688194299,"problem_id":"abc048_a"},{"id":43080746,"contest_id":"arc012","epoch_second":1688194390,"problem_id":"arc012_1"},{"id":43080754,"contest_id":"abc008","epoch_second":1688194409,"problem_id":"abc008_1"},{"id":43080785,"contest_id":"abc239","epoch_second":1688194494,"problem_id":"abc239_b"},{"id":43080916,"contest_id":"abc221","epoch_second":1688194853,"problem_id":"abc221_b"},{"id":43080932,"contest_id":"abc138","epoch_second":1688194909,"problem_id":"abc138_b"},{"id":43080950,"contest_id":"abc039","epoch_second":1688194943,"problem_id":"abc039_a"},{"id":43081010,"contest_id":"abc125","epoch_second":1688195145,"problem_id":"abc125_b"},{"id":43081050,"contest_id":"abc225","epoch_second":1688195231,"problem_id":"abc225_b"},{"id":43081105,"contest_id":"abc205","epoch_second":1688195355,"problem_id":"abc205_c"},{"id":43081189,"contest_id":"abc212","epoch_second":1688195551,"problem_id":"abc212_b"},{"id":43081250,"contest_id":"abc293","epoch_second":1688195714,"problem_id":"abc293_b"},{"id":43081377,"contest_id":"abc281","epoch_second":1688196025,"problem_id":"abc281_b"},{"id":43081403,"contest_id":"abc069","epoch_second":1688196073,"problem_id":"abc069_b"},{"id":43081432,"contest_id":"abc215","epoch_second":1688196124,"problem_id":"abc215_b"},{"id":43081477,"contest_id":"arc119","epoch_second":1688196250,"problem_id":"arc119_a"},{"id":43081524,"contest_id":"abc130","epoch_second":1688196348,"problem_id":"abc130_b"},{"id":43081562,"contest_id":"abc026","epoch_second":1688196435,"problem_id":"abc026_a"},{"id":43081594,"contest_id":"abc176","epoch_second":1688196513,"problem_id":"abc176_c"},{"id":43081616,"contest_id":"yahoo-procon2019-qual","epoch_second":1688196575,"problem_id":"yahoo_procon2019_qual_a"},{"id":43081671,"contest_id":"abc261","epoch_second":1688196705,"problem_id":"abc261_b"},{"id":43081687,"contest_id":"abc043","epoch_second":1688196740,"problem_id":"abc043_a"},{"id":43081699,"contest_id":"abc010","epoch_second":1688196761,"problem_id":"abc010_1"},{"id":43081765,"contest_id":"arc153","epoch_second":1688196935,"problem_id":"arc153_a"},{"id":43081792,"contest_id":"abc021","epoch_second":1688196989,"problem_id":"abc021_a"},{"id":43081869,"contest_id":"abc140","epoch_second":1688197155,"problem_id":"abc140_b"},{"id":43081898,"contest_id":"abc121","epoch_second":1688197249,"problem_id":"abc121_b"},{"id":43081961,"contest_id":"tenka1-2018-beginner","epoch_second":1688197376,"problem_id":"tenka1_2018_b"},{"id":43082005,"contest_id":"abc232","epoch_second":1688197471,"problem_id":"abc232_b"},{"id":43082036,"contest_id":"abc077","epoch_second":1688197563,"problem_id":"abc077_a"},{"id":43082085,"contest_id":"abc166","epoch_second":1688197667,"problem_id":"abc166_b"},{"id":43082128,"contest_id":"arc047","epoch_second":1688197761,"problem_id":"arc047_a"},{"id":43082168,"contest_id":"abc223","epoch_second":1688197858,"problem_id":"abc223_b"},{"id":43082182,"contest_id":"abc031","epoch_second":1688197895,"problem_id":"abc031_a"},{"id":43082211,"contest_id":"abc080","epoch_second":1688197959,"problem_id":"abc080_b"},{"id":43082230,"contest_id":"arc053","epoch_second":1688197995,"problem_id":"arc053_a"},{"id":43082266,"contest_id":"agc030","epoch_second":1688198085,"problem_id":"agc030_a"},{"id":43082299,"contest_id":"abc013","epoch_second":1688198159,"problem_id":"abc013_1"},{"id":43082347,"contest_id":"abc159","epoch_second":1688198294,"problem_id":"abc159_b"},{"id":43082390,"contest_id":"agc026","epoch_second":1688198403,"problem_id":"agc026_a"},{"id":43082399,"contest_id":"abc073","epoch_second":1688198444,"problem_id":"abc073_b"},{"id":43082408,"contest_id":"abc015","epoch_second":1688198466,"problem_id":"abc015_1"},{"id":43082462,"contest_id":"abc297","epoch_second":1688198588,"problem_id":"abc297_c"},{"id":43082507,"contest_id":"abc120","epoch_second":1688198714,"problem_id":"abc120_b"},{"id":43082656,"contest_id":"abc207","epoch_second":1688199075,"problem_id":"abc207_b"},{"id":43082781,"contest_id":"arc131","epoch_second":1688199349,"problem_id":"arc131_b"},{"id":43082803,"contest_id":"abc064","epoch_second":1688199412,"problem_id":"abc064_b"},{"id":43104779,"contest_id":"abc308","epoch_second":1688213731,"problem_id":"abc308_a"},{"id":43107183,"contest_id":"abc308","epoch_second":1688213889,"problem_id":"abc308_b"},{"id":43116467,"contest_id":"abc308","epoch_second":1688214624,"problem_id":"abc308_c"},{"id":43120435,"contest_id":"abc308","epoch_second":1688214981,"problem_id":"abc308_d"},{"id":43131077,"contest_id":"abc308","epoch_second":1688216154,"problem_id":"abc308_e"},{"id":43148703,"contest_id":"abc308","epoch_second":1688218602,"problem_id":"abc308_f"},{"id":43160960,"contest_id":"joi2022yo2","epoch_second":1688225025,"problem_id":"joi2022_yo2_b"},{"id":43194931,"contest_id":"arc163","epoch_second":1688302913,"problem_id":"arc163_a"},{"id":43196819,"contest_id":"arc163","epoch_second":1688303891,"problem_id":"arc163_b"},{"id":43204121,"contest_id":"arc163","epoch_second":1688310732,"problem_id":"arc163_c"},{"id":43230296,"contest_id":"joi2022yo1c","epoch_second":1688396987,"problem_id":"joi2022_yo1c_d"},{"id":43254461,"contest_id":"jag2016-domestic","epoch_second":1688484532,"problem_id":"jag2016secretspring_a"},{"id":43277744,"contest_id":"math-and-algorithm","epoch_second":1688571087,"problem_id":"math_and_algorithm_bc"},{"id":43298907,"contest_id":"pakencamp-2022-day1","epoch_second":1688655642,"problem_id":"pakencamp_2022_day1_a"},{"id":43320481,"contest_id":"pakencamp-2022-day1","epoch_second":1688749276,"problem_id":"pakencamp_2022_day1_b"},{"id":43329671,"contest_id":"xmascon18","epoch_second":1688798359,"problem_id":"xmascon18_a"},{"id":43362400,"contest_id":"abc309","epoch_second":1688819548,"problem_id":"abc309_a"},{"id":43364667,"contest_id":"abc309","epoch_second":1688819820,"problem_id":"abc309_b"},{"id":43366989,"contest_id":"abc309","epoch_second":1688820101,"problem_id":"abc309_c"},{"id":43369354,"contest_id":"abc309","epoch_second":1688820401,"problem_id":"abc309_d"},{"id":43382311,"contest_id":"abc309","epoch_second":1688822422,"problem_id":"abc309_e"},{"id":43396377,"contest_id":"abc309","epoch_second":1688828989,"problem_id":"abc309_f"},{"id":43430413,"contest_id":"arc164","epoch_second":1688908715,"problem_id":"arc164_a"},{"id":43434481,"contest_id":"arc164","epoch_second":1688910852,"problem_id":"arc164_c"},{"id":43438853,"contest_id":"arc164","epoch_second":1688917740,"problem_id":"arc164_b"},{"id":43465724,"contest_id":"soundhound2018-summer-qual","epoch_second":1689001443,"problem_id":"soundhound2018_summer_qual_c"},{"id":43490604,"contest_id":"abc091","epoch_second":1689089374,"problem_id":"arc092_a"},{"id":43514122,"contest_id":"past202303-open","epoch_second":1689174043,"problem_id":"past202303_e"},{"id":43537935,"contest_id":"abc059","epoch_second":1689261291,"problem_id":"arc072_a"},{"id":43562642,"contest_id":"abc100","epoch_second":1689348570,"problem_id":"abc100_d"},{"id":43598506,"contest_id":"abc310","epoch_second":1689423646,"problem_id":"abc310_a"},{"id":43601888,"contest_id":"abc310","epoch_second":1689423974,"problem_id":"abc310_b"},{"id":43604375,"contest_id":"abc310","epoch_second":1689424231,"problem_id":"abc310_c"},{"id":43649309,"contest_id":"abc310","epoch_second":1689433292,"problem_id":"abc310_d"},{"id":43675682,"contest_id":"donuts-2015","epoch_second":1689520632,"problem_id":"donuts_2015_3"},{"id":43700956,"contest_id":"abc017","epoch_second":1689606115,"problem_id":"abc017_3"},{"id":43731250,"contest_id":"abc054","epoch_second":1689694209,"problem_id":"abc054_d"},{"id":43757127,"contest_id":"arc151","epoch_second":1689779283,"problem_id":"arc151_b"},{"id":43776758,"contest_id":"abc166","epoch_second":1689849059,"problem_id":"abc166_a"},{"id":43783994,"contest_id":"abc310","epoch_second":1689866282,"problem_id":"abc310_e"},{"id":43807906,"contest_id":"arc136","epoch_second":1689951918,"problem_id":"arc136_b"},{"id":43884768,"contest_id":"abc311","epoch_second":1690038418,"problem_id":"abc311_a"},{"id":43912004,"contest_id":"abc311","epoch_second":1690124406,"problem_id":"abc311_b"},{"id":43936390,"contest_id":"abc311","epoch_second":1690211073,"problem_id":"abc311_c"},{"id":43956830,"contest_id":"abc311","epoch_second":1690298283,"problem_id":"abc311_d"},{"id":43976450,"contest_id":"abc311","epoch_second":1690383704,"problem_id":"abc311_e"},{"id":43996660,"contest_id":"abc134","epoch_second":1690470133,"problem_id":"abc134_e"},{"id":44015201,"contest_id":"arc021","epoch_second":1690556567,"problem_id":"arc021_2"},{"id":44031842,"contest_id":"abc312","epoch_second":1690632053,"problem_id":"abc312_a"},{"id":44052879,"contest_id":"abc312","epoch_second":1690633936,"problem_id":"abc312_b"},{"id":44055952,"contest_id":"abc312","epoch_second":1690634346,"problem_id":"abc312_d"},{"id":44058578,"contest_id":"abc312","epoch_second":1690634702,"problem_id":"abc312_c"},{"id":44074849,"contest_id":"abc312","epoch_second":1690637259,"problem_id":"abc312_f"},{"id":44087229,"contest_id":"abc312","epoch_second":1690643421,"problem_id":"abc312_e"},{"id":44120150,"contest_id":"past202303-open","epoch_second":1690729881,"problem_id":"past202303_d"},{"id":44144380,"contest_id":"past202303-open","epoch_second":1690815667,"problem_id":"past202303_f"},{"id":44166943,"contest_id":"agc063","epoch_second":1690902275,"problem_id":"agc063_a"},{"id":44190175,"contest_id":"past202203-open","epoch_second":1690989296,"problem_id":"past202203_f"},{"id":44213446,"contest_id":"abc063","epoch_second":1691074893,"problem_id":"arc075_b"},{"id":44235935,"contest_id":"abc099","epoch_second":1691161388,"problem_id":"abc099_d"},{"id":44255697,"contest_id":"abc313","epoch_second":1691236910,"problem_id":"abc313_a"},{"id":44261870,"contest_id":"abc313","epoch_second":1691237150,"problem_id":"abc313_b"},{"id":44272667,"contest_id":"abc313","epoch_second":1691237903,"problem_id":"abc313_c"},{"id":44313629,"contest_id":"abc313","epoch_second":1691248427,"problem_id":"abc313_d"},{"id":44323452,"contest_id":"codequeen2023-final-open","epoch_second":1691296252,"problem_id":"codequeen2023_final_a"},{"id":44323812,"contest_id":"codequeen2023-final-open","epoch_second":1691296448,"problem_id":"codequeen2023_final_b"},{"id":44324517,"contest_id":"codequeen2023-final-open","epoch_second":1691297235,"problem_id":"codequeen2023_final_c"},{"id":44334511,"contest_id":"newjudge-2308-algorithm","epoch_second":1691319664,"problem_id":"abc264_a"},{"id":44334777,"contest_id":"newjudge-2308-algorithm","epoch_second":1691319854,"problem_id":"abc273_b"},{"id":44334891,"contest_id":"newjudge-2308-algorithm","epoch_second":1691319955,"problem_id":"abc244_c"},{"id":44335128,"contest_id":"newjudge-2308-algorithm","epoch_second":1691320173,"problem_id":"abc309_d"},{"id":44335731,"contest_id":"newjudge-2308-algorithm","epoch_second":1691320767,"problem_id":"abc304_e"},{"id":44344746,"contest_id":"abc260","epoch_second":1691334316,"problem_id":"abc260_f"},{"id":44369740,"contest_id":"abc231","epoch_second":1691420499,"problem_id":"abc231_f"},{"id":44398812,"contest_id":"abc190","epoch_second":1691537316,"problem_id":"abc190_f"},{"id":44399198,"contest_id":"abc143","epoch_second":1691539854,"problem_id":"abc143_a"},{"id":44399205,"contest_id":"abc046","epoch_second":1691539878,"problem_id":"abc046_a"},{"id":44399229,"contest_id":"abc166","epoch_second":1691539975,"problem_id":"abc166_c"},{"id":44399271,"contest_id":"abc278","epoch_second":1691540127,"problem_id":"abc278_c"},{"id":44399343,"contest_id":"abc185","epoch_second":1691540390,"problem_id":"abc185_d"},{"id":44399395,"contest_id":"abc253","epoch_second":1691540621,"problem_id":"abc253_d"},{"id":44399440,"contest_id":"abc270","epoch_second":1691540805,"problem_id":"abc270_c"},{"id":44399666,"contest_id":"abc094","epoch_second":1691541638,"problem_id":"arc095_b"},{"id":44418314,"contest_id":"abc201","epoch_second":1691593579,"problem_id":"abc201_d"},{"id":44441918,"contest_id":"abc191","epoch_second":1691679988,"problem_id":"abc191_e"},{"id":44445950,"contest_id":"abc198","epoch_second":1691712702,"problem_id":"abc198_b"},{"id":44445965,"contest_id":"abc182","epoch_second":1691712788,"problem_id":"abc182_b"},{"id":44445980,"contest_id":"abc168","epoch_second":1691712848,"problem_id":"abc168_c"},{"id":44446002,"contest_id":"aising2020","epoch_second":1691713006,"problem_id":"aising2020_c"},{"id":44446104,"contest_id":"abc252","epoch_second":1691713501,"problem_id":"abc252_c"},{"id":44446146,"contest_id":"abc256","epoch_second":1691713711,"problem_id":"abc256_c"},{"id":44446170,"contest_id":"zone2021","epoch_second":1691713811,"problem_id":"zone2021_d"},{"id":44446327,"contest_id":"abc239","epoch_second":1691714579,"problem_id":"abc239_e"},{"id":44450821,"contest_id":"ahc022","epoch_second":1691727194,"problem_id":"ahc022_a"},{"id":44451463,"contest_id":"ahc022","epoch_second":1691729089,"problem_id":"ahc022_a"},{"id":44456871,"contest_id":"ahc022","epoch_second":1691741000,"problem_id":"ahc022_a"},{"id":44467614,"contest_id":"arc033","epoch_second":1691767004,"problem_id":"arc033_3"},{"id":44513349,"contest_id":"abc314","epoch_second":1691843982,"problem_id":"abc314_a"},{"id":44515297,"contest_id":"abc314","epoch_second":1691844250,"problem_id":"abc314_b"},{"id":44517355,"contest_id":"abc314","epoch_second":1691844547,"problem_id":"abc314_c"},{"id":44520343,"contest_id":"abc314","epoch_second":1691844997,"problem_id":"abc314_d"},{"id":44539257,"contest_id":"ahc022","epoch_second":1691851531,"problem_id":"ahc022_a"},{"id":44540026,"contest_id":"joi2020yo1c","epoch_second":1691853408,"problem_id":"joi2020_yo1c_a"},{"id":44540034,"contest_id":"ahc022","epoch_second":1691853421,"problem_id":"ahc022_a"},{"id":44546685,"contest_id":"ahc022","epoch_second":1691892925,"problem_id":"ahc022_a"},{"id":44547951,"contest_id":"ahc022","epoch_second":1691896440,"problem_id":"ahc022_a"},{"id":44552145,"contest_id":"ahc022","epoch_second":1691909082,"problem_id":"ahc022_a"},{"id":44553410,"contest_id":"ahc022","epoch_second":1691912017,"problem_id":"ahc022_a"},{"id":44555325,"contest_id":"ahc022","epoch_second":1691916548,"problem_id":"ahc022_a"},{"id":44556632,"contest_id":"ahc022","epoch_second":1691919900,"problem_id":"ahc022_a"},{"id":44557391,"contest_id":"ahc022","epoch_second":1691921705,"problem_id":"ahc022_a"},{"id":44566178,"contest_id":"ahc022","epoch_second":1691934436,"problem_id":"ahc022_a"},{"id":44568250,"contest_id":"ahc022","epoch_second":1691937164,"problem_id":"ahc022_a"},{"id":44570836,"contest_id":"joi2007yo","epoch_second":1691941805,"problem_id":"joi2007yo_b"},{"id":44574528,"contest_id":"abc107","epoch_second":1691971829,"problem_id":"abc107_a"},{"id":44574545,"contest_id":"abc226","epoch_second":1691971920,"problem_id":"abc226_b"},{"id":44574574,"contest_id":"abc187","epoch_second":1691972110,"problem_id":"abc187_c"},{"id":44574754,"contest_id":"abc222","epoch_second":1691972964,"problem_id":"abc222_c"},{"id":44574917,"contest_id":"abc096","epoch_second":1691973573,"problem_id":"abc096_c"},{"id":44575017,"contest_id":"abc278","epoch_second":1691973820,"problem_id":"abc278_d"},{"id":44575134,"contest_id":"abc233","epoch_second":1691974133,"problem_id":"abc233_c"},{"id":44575408,"contest_id":"abc109","epoch_second":1691974980,"problem_id":"abc109_d"},{"id":44596018,"contest_id":"otemae2019","epoch_second":1692027971,"problem_id":"otemae2019_a"},{"id":44609755,"contest_id":"ahc022","epoch_second":1692084257,"problem_id":"ahc022_a"},{"id":44610690,"contest_id":"ahc022","epoch_second":1692086149,"problem_id":"ahc022_a"},{"id":44611616,"contest_id":"ahc022","epoch_second":1692087969,"problem_id":"ahc022_a"},{"id":44613241,"contest_id":"ahc022","epoch_second":1692091276,"problem_id":"ahc022_a"},{"id":44613965,"contest_id":"ahc022","epoch_second":1692093076,"problem_id":"ahc022_a"},{"id":44614695,"contest_id":"ahc022","epoch_second":1692094882,"problem_id":"ahc022_a"},{"id":44615355,"contest_id":"ahc022","epoch_second":1692096683,"problem_id":"ahc022_a"},{"id":44618545,"contest_id":"ahc022","epoch_second":1692103038,"problem_id":"ahc022_a"},{"id":44622538,"contest_id":"abc267","epoch_second":1692111884,"problem_id":"abc267_e"},{"id":44626484,"contest_id":"abc236","epoch_second":1692144637,"problem_id":"abc236_a"},{"id":44626501,"contest_id":"abc065","epoch_second":1692144728,"problem_id":"abc065_a"},{"id":44626516,"contest_id":"abc202","epoch_second":1692144822,"problem_id":"abc202_c"},{"id":44626546,"contest_id":"abc183","epoch_second":1692145007,"problem_id":"abc183_c"},{"id":44626592,"contest_id":"abc259","epoch_second":1692145219,"problem_id":"abc259_c"},{"id":44626642,"contest_id":"abc254","epoch_second":1692145424,"problem_id":"abc254_c"},{"id":44626672,"contest_id":"abc248","epoch_second":1692145551,"problem_id":"abc248_c"},{"id":44626792,"contest_id":"abc112","epoch_second":1692146137,"problem_id":"abc112_c"},{"id":44626825,"contest_id":"abc046","epoch_second":1692146305,"problem_id":"arc062_a"},{"id":44627012,"contest_id":"ahc022","epoch_second":1692147120,"problem_id":"ahc022_a"},{"id":44628273,"contest_id":"ahc022","epoch_second":1692150787,"problem_id":"ahc022_a"},{"id":44629566,"contest_id":"ahc022","epoch_second":1692154203,"problem_id":"ahc022_a"},{"id":44630191,"contest_id":"ahc022","epoch_second":1692156005,"problem_id":"ahc022_a"},{"id":44637890,"contest_id":"ahc022","epoch_second":1692175538,"problem_id":"ahc022_a"},{"id":44640484,"contest_id":"ahc022","epoch_second":1692183798,"problem_id":"ahc022_a"},{"id":44646560,"contest_id":"abc151","epoch_second":1692198165,"problem_id":"abc151_e"},{"id":44650618,"contest_id":"abc160","epoch_second":1692231044,"problem_id":"abc160_b"},{"id":44650636,"contest_id":"abc192","epoch_second":1692231132,"problem_id":"abc192_c"},{"id":44650730,"contest_id":"abc055","epoch_second":1692231629,"problem_id":"abc055_b"},{"id":44650731,"contest_id":"abc228","epoch_second":1692231632,"problem_id":"abc228_c"},{"id":44650747,"contest_id":"abc198","epoch_second":1692231719,"problem_id":"abc198_c"},{"id":44650789,"contest_id":"abc094","epoch_second":1692231926,"problem_id":"arc095_a"},{"id":44650828,"contest_id":"abc299","epoch_second":1692232110,"problem_id":"abc299_d"},{"id":44650997,"contest_id":"abc277","epoch_second":1692232891,"problem_id":"abc277_e"},{"id":44653345,"contest_id":"ahc022","epoch_second":1692240623,"problem_id":"ahc022_a"},{"id":44656243,"contest_id":"ahc022","epoch_second":1692250092,"problem_id":"ahc022_a"},{"id":44657131,"contest_id":"ahc022","epoch_second":1692252500,"problem_id":"ahc022_a"},{"id":44659841,"contest_id":"ahc022","epoch_second":1692258591,"problem_id":"ahc022_a"},{"id":44660727,"contest_id":"ahc022","epoch_second":1692260454,"problem_id":"ahc022_a"},{"id":44661614,"contest_id":"ahc022","epoch_second":1692262685,"problem_id":"ahc022_a"},{"id":44669591,"contest_id":"agc064","epoch_second":1692285488,"problem_id":"agc064_a"},{"id":44670345,"contest_id":"ahc022","epoch_second":1692289230,"problem_id":"ahc022_a"},{"id":44670683,"contest_id":"ahc022","epoch_second":1692291394,"problem_id":"ahc022_a"},{"id":44690205,"contest_id":"abc186","epoch_second":1692372309,"problem_id":"abc186_e"},{"id":44695746,"contest_id":"ahc022","epoch_second":1692413329,"problem_id":"ahc022_a"},{"id":44698241,"contest_id":"ahc022","epoch_second":1692421879,"problem_id":"ahc022_a"},{"id":44698854,"contest_id":"ahc022","epoch_second":1692423826,"problem_id":"ahc022_a"},{"id":44700187,"contest_id":"ahc022","epoch_second":1692427289,"problem_id":"ahc022_a"},{"id":44707429,"contest_id":"abc315","epoch_second":1692446454,"problem_id":"abc315_a"},{"id":44711609,"contest_id":"abc315","epoch_second":1692446586,"problem_id":"abc315_b"},{"id":44720026,"contest_id":"abc315","epoch_second":1692447085,"problem_id":"abc315_c"},{"id":44733612,"contest_id":"abc315","epoch_second":1692448393,"problem_id":"abc315_e"},{"id":44746275,"contest_id":"abc315","epoch_second":1692449958,"problem_id":"abc315_f"},{"id":44757829,"contest_id":"abc315","epoch_second":1692451649,"problem_id":"abc315_d"},{"id":44770996,"contest_id":"abc175","epoch_second":1692458965,"problem_id":"abc175_d"},{"id":44786352,"contest_id":"ahc022","epoch_second":1692517988,"problem_id":"ahc022_a"},{"id":44787165,"contest_id":"ahc022","epoch_second":1692519790,"problem_id":"ahc022_a"},{"id":44787971,"contest_id":"ahc022","epoch_second":1692521600,"problem_id":"ahc022_a"},{"id":44799047,"contest_id":"ahc022","epoch_second":1692521600,"problem_id":"ahc022_b"},{"id":44796870,"contest_id":"past202212-open","epoch_second":1692544906,"problem_id":"past202212_f"},{"id":44806058,"contest_id":"abc117","epoch_second":1692576945,"problem_id":"abc117_a"},{"id":44806074,"contest_id":"abc206","epoch_second":1692577003,"problem_id":"abc206_c"},{"id":44806109,"contest_id":"abc195","epoch_second":1692577166,"problem_id":"abc195_c"},{"id":44806178,"contest_id":"abc194","epoch_second":1692577459,"problem_id":"abc194_c"},{"id":44806219,"contest_id":"abc154","epoch_second":1692577671,"problem_id":"abc154_d"},{"id":44806246,"contest_id":"abc063","epoch_second":1692577794,"problem_id":"arc075_a"},{"id":44806294,"contest_id":"abc258","epoch_second":1692578051,"problem_id":"abc258_d"},{"id":44806415,"contest_id":"abc271","epoch_second":1692578621,"problem_id":"abc271_d"},{"id":44830230,"contest_id":"abc242","epoch_second":1692632686,"problem_id":"abc242_e"},{"id":44833537,"contest_id":"abc134","epoch_second":1692663085,"problem_id":"abc134_b"},{"id":44833543,"contest_id":"abc234","epoch_second":1692663125,"problem_id":"abc234_c"},{"id":44833566,"contest_id":"tenka1-2017-beginner","epoch_second":1692663232,"problem_id":"tenka1_2017_b"},{"id":44833596,"contest_id":"abc262","epoch_second":1692663438,"problem_id":"abc262_c"},{"id":44833613,"contest_id":"abc292","epoch_second":1692663533,"problem_id":"abc292_c"},{"id":44833643,"contest_id":"abc234","epoch_second":1692663728,"problem_id":"abc234_d"},{"id":44833720,"contest_id":"m-solutions2020","epoch_second":1692664052,"problem_id":"m_solutions2020_d"},{"id":44833747,"contest_id":"abc070","epoch_second":1692664211,"problem_id":"abc070_d"},{"id":44852586,"contest_id":"abc215","epoch_second":1692717946,"problem_id":"abc215_e"},{"id":44874328,"contest_id":"past202209-open","epoch_second":1692802914,"problem_id":"past202209_f"},{"id":44881005,"contest_id":"aising2019","epoch_second":1692835875,"problem_id":"aising2019_a"},{"id":44881029,"contest_id":"abc161","epoch_second":1692835963,"problem_id":"abc161_b"},{"id":44881046,"contest_id":"abc181","epoch_second":1692836085,"problem_id":"abc181_c"},{"id":44881115,"contest_id":"abc185","epoch_second":1692836284,"problem_id":"abc185_c"},{"id":44881192,"contest_id":"abc260","epoch_second":1692836546,"problem_id":"abc260_c"},{"id":44881382,"contest_id":"abc255","epoch_second":1692837063,"problem_id":"abc255_c"},{"id":44881493,"contest_id":"abc122","epoch_second":1692837330,"problem_id":"abc122_c"},{"id":44881522,"contest_id":"abc052","epoch_second":1692837435,"problem_id":"arc067_b"},{"id":44899186,"contest_id":"arc126","epoch_second":1692889779,"problem_id":"arc126_b"},{"id":44918581,"contest_id":"agc056","epoch_second":1692975745,"problem_id":"agc056_a"},{"id":44925151,"contest_id":"maximum-cup-2023","epoch_second":1693022587,"problem_id":"maximum_cup_2023_a"},{"id":44949428,"contest_id":"abc317","epoch_second":1693051865,"problem_id":"abc317_a"},{"id":44950515,"contest_id":"abc317","epoch_second":1693051960,"problem_id":"abc317_b"},{"id":44952342,"contest_id":"abc317","epoch_second":1693052148,"problem_id":"abc317_c"},{"id":44956070,"contest_id":"abc317","epoch_second":1693052634,"problem_id":"abc317_d"},{"id":44962411,"contest_id":"abc317","epoch_second":1693053743,"problem_id":"abc317_e"},{"id":44984305,"contest_id":"joi2021yo1a","epoch_second":1693064714,"problem_id":"joi2021_yo1a_b"},{"id":44993685,"contest_id":"toyota2023summer-final-open","epoch_second":1693110295,"problem_id":"toyota2023summer_final_a"},{"id":44994091,"contest_id":"toyota2023summer-final-open","epoch_second":1693111004,"problem_id":"toyota2023summer_final_a"},{"id":44994286,"contest_id":"toyota2023summer-final-open","epoch_second":1693111305,"problem_id":"toyota2023summer_final_a"},{"id":45007717,"contest_id":"maximum-cup-2023","epoch_second":1693148469,"problem_id":"maximum_cup_2023_h"},{"id":45028477,"contest_id":"acl1","epoch_second":1693235324,"problem_id":"acl1_a"},{"id":45050247,"contest_id":"joi2020yo1a","epoch_second":1693322087,"problem_id":"joi2020_yo1a_b"},{"id":45071406,"contest_id":"joi2021yo1a","epoch_second":1693409720,"problem_id":"joi2021_yo1a_c"},{"id":45090586,"contest_id":"abc246","epoch_second":1693494138,"problem_id":"abc246_f"},{"id":45109831,"contest_id":"math-and-algorithm","epoch_second":1693581159,"problem_id":"math_and_algorithm_ar"},{"id":45145145,"contest_id":"abc318","epoch_second":1693657057,"problem_id":"abc318_a"},{"id":45147130,"contest_id":"abc318","epoch_second":1693657220,"problem_id":"abc318_b"},{"id":45150887,"contest_id":"abc318","epoch_second":1693657538,"problem_id":"abc318_c"},{"id":45165481,"contest_id":"abc318","epoch_second":1693658814,"problem_id":"abc318_d"},{"id":45175948,"contest_id":"abc318","epoch_second":1693659783,"problem_id":"abc318_e"},{"id":45201118,"contest_id":"abc257","epoch_second":1693668956,"problem_id":"abc257_f"},{"id":45227897,"contest_id":"math-and-algorithm","epoch_second":1693753626,"problem_id":"math_and_algorithm_ay"},{"id":45250727,"contest_id":"math-and-algorithm","epoch_second":1693841611,"problem_id":"math_and_algorithm_bh"},{"id":45255018,"contest_id":"abc070","epoch_second":1693872674,"problem_id":"abc070_a"},{"id":45255020,"contest_id":"abc180","epoch_second":1693872723,"problem_id":"abc180_c"},{"id":45255046,"contest_id":"abc247","epoch_second":1693872879,"problem_id":"abc247_b"},{"id":45255091,"contest_id":"jsc2021","epoch_second":1693873160,"problem_id":"jsc2021_c"},{"id":45255111,"contest_id":"abc288","epoch_second":1693873253,"problem_id":"abc288_c"},{"id":45255172,"contest_id":"abc230","epoch_second":1693873543,"problem_id":"abc230_c"},{"id":45255196,"contest_id":"abc220","epoch_second":1693873668,"problem_id":"abc220_d"},{"id":45255249,"contest_id":"abc261","epoch_second":1693874023,"problem_id":"abc261_d"},{"id":45272337,"contest_id":"abc210","epoch_second":1693929055,"problem_id":"abc210_d"},{"id":45276347,"contest_id":"abc250","epoch_second":1693959086,"problem_id":"abc250_a"},{"id":45276399,"contest_id":"abc263","epoch_second":1693959351,"problem_id":"abc263_c"},{"id":45276428,"contest_id":"abc170","epoch_second":1693959531,"problem_id":"abc170_c"},{"id":45276453,"contest_id":"abc224","epoch_second":1693959704,"problem_id":"abc224_c"},{"id":45276465,"contest_id":"abc159","epoch_second":1693959798,"problem_id":"abc159_d"},{"id":45276488,"contest_id":"abc131","epoch_second":1693959945,"problem_id":"abc131_d"},{"id":45276518,"contest_id":"abc189","epoch_second":1693960136,"problem_id":"abc189_d"},{"id":45276574,"contest_id":"abc188","epoch_second":1693960483,"problem_id":"abc188_d"},{"id":45278240,"contest_id":"ahc023","epoch_second":1693968697,"problem_id":"asprocon10_a"},{"id":45292539,"contest_id":"agc047","epoch_second":1694012839,"problem_id":"agc047_a"},{"id":45309219,"contest_id":"ahc023","epoch_second":1694089740,"problem_id":"asprocon10_a"},{"id":45309980,"contest_id":"ahc023","epoch_second":1694091541,"problem_id":"asprocon10_a"},{"id":45312698,"contest_id":"ahc023","epoch_second":1694098564,"problem_id":"asprocon10_a"},{"id":45312991,"contest_id":"abc117","epoch_second":1694099588,"problem_id":"abc117_d"},{"id":45317670,"contest_id":"ahc023","epoch_second":1694136137,"problem_id":"asprocon10_a"},{"id":45448706,"contest_id":"ahc023","epoch_second":1694137963,"problem_id":"asprocon10_b"},{"id":45318081,"contest_id":"ahc023","epoch_second":1694137963,"problem_id":"asprocon10_a"},{"id":45333718,"contest_id":"wtf22-day1-open","epoch_second":1694186775,"problem_id":"wtf22_day1_a"},{"id":45351267,"contest_id":"abc319","epoch_second":1694260892,"problem_id":"abc319_a"},{"id":45354958,"contest_id":"abc319","epoch_second":1694261063,"problem_id":"abc319_b"},{"id":45382288,"contest_id":"abc319","epoch_second":1694263087,"problem_id":"abc319_d"},{"id":45394335,"contest_id":"abc319","epoch_second":1694263985,"problem_id":"abc319_c"},{"id":45401096,"contest_id":"abc319","epoch_second":1694264571,"problem_id":"abc319_e"},{"id":45423088,"contest_id":"abc113","epoch_second":1694271859,"problem_id":"abc113_d"},{"id":45451524,"contest_id":"abc075","epoch_second":1694359513,"problem_id":"abc075_d"},{"id":45471562,"contest_id":"abc231","epoch_second":1694444455,"problem_id":"abc231_e"},{"id":45475106,"contest_id":"abc190","epoch_second":1694477710,"problem_id":"abc190_b"},{"id":45475108,"contest_id":"abc282","epoch_second":1694477712,"problem_id":"abc282_c"},{"id":45475128,"contest_id":"abc219","epoch_second":1694477803,"problem_id":"abc219_c"},{"id":45475157,"contest_id":"abc269","epoch_second":1694478003,"problem_id":"abc269_c"},{"id":45475172,"contest_id":"abc088","epoch_second":1694478097,"problem_id":"abc088_c"},{"id":45475190,"contest_id":"abc240","epoch_second":1694478255,"problem_id":"abc240_d"},{"id":45475215,"contest_id":"abc049","epoch_second":1694478435,"problem_id":"arc065_a"},{"id":45475256,"contest_id":"abc187","epoch_second":1694478728,"problem_id":"abc187_d"},{"id":45490683,"contest_id":"arc058","epoch_second":1694531125,"problem_id":"arc058_b"},{"id":45511475,"contest_id":"abc110","epoch_second":1694618914,"problem_id":"abc110_d"},{"id":45529920,"contest_id":"jag2015autumn","epoch_second":1694703993,"problem_id":"icpc2015autumn_b"},{"id":45552631,"contest_id":"abc150","epoch_second":1694790107,"problem_id":"abc150_d"},{"id":45587947,"contest_id":"abc320","epoch_second":1694865869,"problem_id":"abc320_a"},{"id":45589652,"contest_id":"abc320","epoch_second":1694865952,"problem_id":"abc320_b"},{"id":45603105,"contest_id":"abc320","epoch_second":1694866941,"problem_id":"abc320_d"},{"id":45607804,"contest_id":"abc320","epoch_second":1694867263,"problem_id":"abc320_c"},{"id":45618391,"contest_id":"abc320","epoch_second":1694868082,"problem_id":"abc320_e"},{"id":45650211,"contest_id":"joi2020yo1b","epoch_second":1694878090,"problem_id":"joi2020_yo1b_b"},{"id":45671845,"contest_id":"arc165","epoch_second":1694952763,"problem_id":"arc165_a"},{"id":45687706,"contest_id":"arc165","epoch_second":1694963940,"problem_id":"arc165_b"},{"id":45717372,"contest_id":"abc045","epoch_second":1695082236,"problem_id":"abc045_a"},{"id":45717375,"contest_id":"abc177","epoch_second":1695082276,"problem_id":"abc177_b"},{"id":45717388,"contest_id":"abc155","epoch_second":1695082357,"problem_id":"abc155_c"},{"id":45717409,"contest_id":"abc100","epoch_second":1695082507,"problem_id":"abc100_c"},{"id":45717422,"contest_id":"abc150","epoch_second":1695082579,"problem_id":"abc150_c"},{"id":45717469,"contest_id":"abc250","epoch_second":1695082824,"problem_id":"abc250_c"},{"id":45717484,"contest_id":"abc130","epoch_second":1695082929,"problem_id":"abc130_c"},{"id":45717615,"contest_id":"abc290","epoch_second":1695083772,"problem_id":"abc290_d"},{"id":45717844,"contest_id":"abc263","epoch_second":1695085362,"problem_id":"abc263_e"},{"id":45735669,"contest_id":"arc160","epoch_second":1695136340,"problem_id":"arc160_b"},{"id":45739866,"contest_id":"abc251","epoch_second":1695168951,"problem_id":"abc251_b"},{"id":45739898,"contest_id":"abc265","epoch_second":1695169095,"problem_id":"abc265_c"},{"id":45739937,"contest_id":"abc190","epoch_second":1695169230,"problem_id":"abc190_a"},{"id":45739978,"contest_id":"abc255","epoch_second":1695169404,"problem_id":"abc255_b"},{"id":45740002,"contest_id":"abl","epoch_second":1695169495,"problem_id":"abl_c"},{"id":45740049,"contest_id":"abc242","epoch_second":1695169666,"problem_id":"abc242_c"},{"id":45740089,"contest_id":"abc227","epoch_second":1695169836,"problem_id":"abc227_c"},{"id":45740377,"contest_id":"abc254","epoch_second":1695171096,"problem_id":"abc254_d"},{"id":45758124,"contest_id":"joi2021yo1c","epoch_second":1695223581,"problem_id":"joi2021_yo1c_b"},{"id":45762003,"contest_id":"abc187","epoch_second":1695255181,"problem_id":"abc187_b"},{"id":45762016,"contest_id":"hhkb2020","epoch_second":1695255296,"problem_id":"hhkb2020_b"},{"id":45762034,"contest_id":"abc262","epoch_second":1695255402,"problem_id":"abc262_b"},{"id":45762073,"contest_id":"abc193","epoch_second":1695255519,"problem_id":"abc193_c"},{"id":45762166,"contest_id":"abc175","epoch_second":1695255937,"problem_id":"abc175_c"},{"id":45762226,"contest_id":"abc256","epoch_second":1695256237,"problem_id":"abc256_d"},{"id":45762269,"contest_id":"abc213","epoch_second":1695256430,"problem_id":"abc213_d"},{"id":45762369,"contest_id":"abc246","epoch_second":1695256858,"problem_id":"abc246_d"},{"id":45780236,"contest_id":"agc053","epoch_second":1695309858,"problem_id":"agc053_a"},{"id":45783420,"contest_id":"abc091","epoch_second":1695341449,"problem_id":"abc091_a"},{"id":45783427,"contest_id":"aising2019","epoch_second":1695341509,"problem_id":"aising2019_b"},{"id":45783451,"contest_id":"abc239","epoch_second":1695341681,"problem_id":"abc239_d"},{"id":45783475,"contest_id":"abc024","epoch_second":1695341814,"problem_id":"abc024_b"},{"id":45783493,"contest_id":"code-festival-2014-morning-easy","epoch_second":1695341895,"problem_id":"code_festival_morning_easy_a"},{"id":45783518,"contest_id":"abc258","epoch_second":1695342068,"problem_id":"abc258_b"},{"id":45783600,"contest_id":"abc241","epoch_second":1695342533,"problem_id":"abc241_d"},{"id":45783641,"contest_id":"abc268","epoch_second":1695342795,"problem_id":"abc268_c"},{"id":45784376,"contest_id":"abc164","epoch_second":1695347196,"problem_id":"abc164_c"},{"id":45799216,"contest_id":"abc197","epoch_second":1695394974,"problem_id":"abc197_e"},{"id":45807870,"contest_id":"joi2024yo1a","epoch_second":1695447156,"problem_id":"joi2024_yo1a_a"},{"id":45807928,"contest_id":"joi2024yo1a","epoch_second":1695447378,"problem_id":"joi2024_yo1a_b"},{"id":45807981,"contest_id":"joi2024yo1a","epoch_second":1695447508,"problem_id":"joi2024_yo1a_c"},{"id":45807993,"contest_id":"joi2024yo1a","epoch_second":1695447541,"problem_id":"joi2024_yo1a_d"},{"id":45816671,"contest_id":"abc321","epoch_second":1695470468,"problem_id":"abc321_a"},{"id":45823331,"contest_id":"abc321","epoch_second":1695470752,"problem_id":"abc321_b"},{"id":45839696,"contest_id":"abc321","epoch_second":1695471877,"problem_id":"abc321_d"},{"id":45856055,"contest_id":"abc321","epoch_second":1695473113,"problem_id":"abc321_c"},{"id":45879193,"contest_id":"abc321","epoch_second":1695475522,"problem_id":"abc321_e"},{"id":45893686,"contest_id":"abc081","epoch_second":1695483639,"problem_id":"arc086_b"},{"id":45915406,"contest_id":"ahc024","epoch_second":1695547214,"problem_id":"ahc024_a"},{"id":45925902,"contest_id":"joi2021yo1c","epoch_second":1695567825,"problem_id":"joi2021_yo1c_c"},{"id":45929800,"contest_id":"joi2024yo1a","epoch_second":1695600630,"problem_id":"joi2024_yo1a_a"},{"id":45929812,"contest_id":"joi2024yo1a","epoch_second":1695600710,"problem_id":"joi2024_yo1a_b"},{"id":45929814,"contest_id":"joi2024yo1a","epoch_second":1695600716,"problem_id":"joi2024_yo1a_c"},{"id":45929822,"contest_id":"joi2024yo1a","epoch_second":1695600744,"problem_id":"joi2024_yo1a_d"},{"id":45929836,"contest_id":"abc159","epoch_second":1695600806,"problem_id":"abc159_c"},{"id":45929857,"contest_id":"abc189","epoch_second":1695600873,"problem_id":"abc189_b"},{"id":45929875,"contest_id":"arc147","epoch_second":1695600982,"problem_id":"arc147_a"},{"id":45929969,"contest_id":"arc125","epoch_second":1695601421,"problem_id":"arc125_a"},{"id":45948915,"contest_id":"arc155","epoch_second":1695655537,"problem_id":"arc155_a"},{"id":45952599,"contest_id":"joi2023yo1a","epoch_second":1695687028,"problem_id":"joi2023_yo1a_a"},{"id":45952603,"contest_id":"joi2023yo1a","epoch_second":1695687052,"problem_id":"joi2023_yo1a_b"},{"id":45952620,"contest_id":"joi2023yo1a","epoch_second":1695687145,"problem_id":"joi2023_yo1a_c"},{"id":45952635,"contest_id":"joi2023yo1a","epoch_second":1695687213,"problem_id":"joi2023_yo1a_d"},{"id":45952644,"contest_id":"abc132","epoch_second":1695687282,"problem_id":"abc132_b"},{"id":45952717,"contest_id":"arc136","epoch_second":1695687672,"problem_id":"arc136_a"},{"id":45952750,"contest_id":"arc105","epoch_second":1695687842,"problem_id":"arc105_b"},{"id":45952790,"contest_id":"abc231","epoch_second":1695688047,"problem_id":"abc231_d"},{"id":45971234,"contest_id":"joi2020yo1a","epoch_second":1695740969,"problem_id":"joi2020_yo1a_c"},{"id":45992851,"contest_id":"abc279","epoch_second":1695826964,"problem_id":"abc279_f"},{"id":46015756,"contest_id":"abc278","epoch_second":1695913328,"problem_id":"abc278_f"},{"id":46037086,"contest_id":"joi2020yo1c","epoch_second":1695999662,"problem_id":"joi2020_yo1c_b"},{"id":46057111,"contest_id":"abc322","epoch_second":1696075250,"problem_id":"abc322_a"},{"id":46060324,"contest_id":"abc322","epoch_second":1696075359,"problem_id":"abc322_b"},{"id":46063490,"contest_id":"abc322","epoch_second":1696075473,"problem_id":"abc322_c"},{"id":46086227,"contest_id":"abc322","epoch_second":1696076622,"problem_id":"abc322_d"},{"id":46098117,"contest_id":"abc322","epoch_second":1696077492,"problem_id":"abc322_e"},{"id":46114928,"contest_id":"abc322","epoch_second":1696080153,"problem_id":"abc322_f"},{"id":46124755,"contest_id":"joi2020yo1b","epoch_second":1696086369,"problem_id":"joi2020_yo1b_c"},{"id":46147065,"contest_id":"dp","epoch_second":1696172640,"problem_id":"dp_k"},{"id":46169143,"contest_id":"pakencamp-2020-day1","epoch_second":1696260219,"problem_id":"pakencamp_2020_day1_d"},{"id":46192900,"contest_id":"joi2016yo","epoch_second":1696346245,"problem_id":"joi2016yo_a"},{"id":46218018,"contest_id":"joi2020yo2","epoch_second":1696432725,"problem_id":"joi2020_yo2_a"},{"id":46241215,"contest_id":"joi2006yo","epoch_second":1696518980,"problem_id":"joi2006yo_a"},{"id":46261980,"contest_id":"abc237","epoch_second":1696604769,"problem_id":"abc237_f"},{"id":46281109,"contest_id":"abc323","epoch_second":1696680116,"problem_id":"abc323_a"},{"id":46286840,"contest_id":"abc323","epoch_second":1696680332,"problem_id":"abc323_b"},{"id":46295320,"contest_id":"abc323","epoch_second":1696680786,"problem_id":"abc323_c"},{"id":46299159,"contest_id":"abc323","epoch_second":1696680993,"problem_id":"abc323_d"},{"id":46324245,"contest_id":"abc323","epoch_second":1696682512,"problem_id":"abc323_e"},{"id":46358242,"contest_id":"abc255","epoch_second":1696693745,"problem_id":"abc255_f"},{"id":46358544,"contest_id":"pakencamp-2020-day1","epoch_second":1696694517,"problem_id":"pakencamp_2020_day1_d"},{"id":46358732,"contest_id":"pakencamp-2020-day1","epoch_second":1696695070,"problem_id":"pakencamp_2020_day1_d"},{"id":46383918,"contest_id":"arc166","epoch_second":1696770282,"problem_id":"arc166_a"},{"id":46384964,"contest_id":"arc166","epoch_second":1696770947,"problem_id":"arc166_b"},{"id":46391354,"contest_id":"arc022","epoch_second":1696777491,"problem_id":"arc022_3"},{"id":46415924,"contest_id":"arc027","epoch_second":1696864356,"problem_id":"arc027_2"},{"id":46439210,"contest_id":"abc080","epoch_second":1696952702,"problem_id":"abc080_d"},{"id":46460373,"contest_id":"arc039","epoch_second":1697037305,"problem_id":"arc039_b"},{"id":46473353,"contest_id":"abc214","epoch_second":1697102505,"problem_id":"abc214_a"},{"id":46473368,"contest_id":"aising2020","epoch_second":1697102540,"problem_id":"aising2020_b"},{"id":46473388,"contest_id":"abc038","epoch_second":1697102584,"problem_id":"abc038_b"},{"id":46473573,"contest_id":"abc177","epoch_second":1697103048,"problem_id":"abc177_e"},{"id":46473630,"contest_id":"abc289","epoch_second":1697103224,"problem_id":"abc289_d"},{"id":46473764,"contest_id":"abc149","epoch_second":1697103723,"problem_id":"abc149_d"},{"id":46473980,"contest_id":"abc223","epoch_second":1697104405,"problem_id":"abc223_c"},{"id":46474051,"contest_id":"abc088","epoch_second":1697104695,"problem_id":"abc088_d"},{"id":46481326,"contest_id":"past202206-open","epoch_second":1697124949,"problem_id":"past202206_f"},{"id":46500633,"contest_id":"past202203-open","epoch_second":1697211232,"problem_id":"past202203_g"},{"id":46580231,"contest_id":"abc324","epoch_second":1697290347,"problem_id":"abc324_e"},{"id":46582370,"contest_id":"abc324","epoch_second":1697290634,"problem_id":"abc324_d"},{"id":46591823,"contest_id":"abc324","epoch_second":1697295704,"problem_id":"abc324_c"},{"id":46617205,"contest_id":"ahc025","epoch_second":1697355218,"problem_id":"ahc025_a"},{"id":46618193,"contest_id":"ahc025","epoch_second":1697357052,"problem_id":"ahc025_a"},{"id":46636157,"contest_id":"ahc025","epoch_second":1697376680,"problem_id":"ahc025_a"},{"id":46642176,"contest_id":"arc167","epoch_second":1697382165,"problem_id":"arc167_a"},{"id":46649247,"contest_id":"ahc025","epoch_second":1697421485,"problem_id":"ahc025_a"},{"id":46668800,"contest_id":"abc324","epoch_second":1697469400,"problem_id":"abc324_b"},{"id":46683557,"contest_id":"adt_all_20231017_2","epoch_second":1697531480,"problem_id":"abc258_a"},{"id":46683662,"contest_id":"adt_all_20231017_2","epoch_second":1697531574,"problem_id":"abc308_a"},{"id":46683709,"contest_id":"adt_all_20231017_2","epoch_second":1697531622,"problem_id":"abc222_b"},{"id":46683836,"contest_id":"adt_all_20231017_2","epoch_second":1697531748,"problem_id":"abc250_b"},{"id":46683972,"contest_id":"adt_all_20231017_2","epoch_second":1697531909,"problem_id":"abc280_c"},{"id":46684219,"contest_id":"adt_all_20231017_2","epoch_second":1697532180,"problem_id":"abc279_c"},{"id":46684567,"contest_id":"adt_all_20231017_2","epoch_second":1697532570,"problem_id":"abc307_d"},{"id":46684862,"contest_id":"adt_all_20231017_2","epoch_second":1697532994,"problem_id":"abc319_e"},{"id":46685440,"contest_id":"adt_all_20231017_2","epoch_second":1697533902,"problem_id":"abc278_f"},{"id":46694925,"contest_id":"arc167","epoch_second":1697555064,"problem_id":"arc167_b"},{"id":46720876,"contest_id":"past202206-open","epoch_second":1697641680,"problem_id":"past202206_g"},{"id":46746791,"contest_id":"past202209-open","epoch_second":1697729834,"problem_id":"past202209_g"},{"id":46767401,"contest_id":"ahc025","epoch_second":1697810887,"problem_id":"ahc025_a"},{"id":46768093,"contest_id":"ahc025","epoch_second":1697812694,"problem_id":"ahc025_a"},{"id":46768659,"contest_id":"abc324","epoch_second":1697814203,"problem_id":"abc324_a"},{"id":46768748,"contest_id":"ahc025","epoch_second":1697814514,"problem_id":"ahc025_a"},{"id":46773344,"contest_id":"ahc025","epoch_second":1697845701,"problem_id":"ahc025_a"},{"id":46773645,"contest_id":"ahc025","epoch_second":1697847585,"problem_id":"ahc025_a"},{"id":46859649,"contest_id":"ahc025","epoch_second":1697865029,"problem_id":"ahc025_b"},{"id":46778964,"contest_id":"ahc025","epoch_second":1697865029,"problem_id":"ahc025_a"},{"id":46803071,"contest_id":"abc325","epoch_second":1697890543,"problem_id":"abc325_a"},{"id":46804730,"contest_id":"abc325","epoch_second":1697890739,"problem_id":"abc325_b"},{"id":46806394,"contest_id":"abc325","epoch_second":1697890955,"problem_id":"abc325_c"},{"id":46818239,"contest_id":"abc325","epoch_second":1697892965,"problem_id":"abc325_e"},{"id":46820568,"contest_id":"abc325","epoch_second":1697893457,"problem_id":"abc325_d"},{"id":46836996,"contest_id":"abc013","epoch_second":1697901548,"problem_id":"abc013_3"},{"id":46863339,"contest_id":"typical90","epoch_second":1697987049,"problem_id":"typical90_aj"},{"id":46883992,"contest_id":"abl","epoch_second":1698073262,"problem_id":"abl_d"},{"id":46908202,"contest_id":"gigacode-2019","epoch_second":1698161657,"problem_id":"gigacode_2019_c"},{"id":46930158,"contest_id":"joi2024yo1b","epoch_second":1698248458,"problem_id":"joi2024_yo1b_a"},{"id":46943478,"contest_id":"adt_all_20231026_2","epoch_second":1698312686,"problem_id":"abc305_a"},{"id":46943505,"contest_id":"adt_all_20231026_2","epoch_second":1698312735,"problem_id":"abc293_a"},{"id":46943600,"contest_id":"adt_all_20231026_2","epoch_second":1698312872,"problem_id":"abc244_b"},{"id":46943787,"contest_id":"adt_all_20231026_2","epoch_second":1698313226,"problem_id":"abc285_b"},{"id":46943857,"contest_id":"adt_all_20231026_2","epoch_second":1698313349,"problem_id":"abc251_c"},{"id":46944023,"contest_id":"adt_all_20231026_2","epoch_second":1698313646,"problem_id":"abc221_c"},{"id":46944205,"contest_id":"adt_all_20231026_2","epoch_second":1698313991,"problem_id":"abc243_d"},{"id":46952592,"contest_id":"abc143","epoch_second":1698335172,"problem_id":"abc143_e"},{"id":46973132,"contest_id":"arc007","epoch_second":1698420327,"problem_id":"arc007_3"},{"id":47029519,"contest_id":"abc326","epoch_second":1698497447,"problem_id":"abc326_a"},{"id":47030097,"contest_id":"abc326","epoch_second":1698497550,"problem_id":"abc326_b"},{"id":47030637,"contest_id":"abc326","epoch_second":1698497655,"problem_id":"abc326_c"},{"id":47043862,"contest_id":"abc326","epoch_second":1698500893,"problem_id":"abc326_d"},{"id":47047569,"contest_id":"abc326","epoch_second":1698505236,"problem_id":"abc326_e"},{"id":47074423,"contest_id":"joi2024yo1b","epoch_second":1698592483,"problem_id":"joi2024_yo1b_b"},{"id":47096362,"contest_id":"abc326","epoch_second":1698679788,"problem_id":"abc326_f"},{"id":47119272,"contest_id":"joig2022-open","epoch_second":1698765938,"problem_id":"joig2022_a"},{"id":47141471,"contest_id":"joi2024yo1b","epoch_second":1698851868,"problem_id":"joi2024_yo1b_c"},{"id":47163160,"contest_id":"joi2024yo1b","epoch_second":1698937992,"problem_id":"joi2024_yo1b_d"},{"id":47187180,"contest_id":"joi2006yo","epoch_second":1699024369,"problem_id":"joi2006yo_b"},{"id":47281503,"contest_id":"abc327","epoch_second":1699110561,"problem_id":"abc327_a"},{"id":47297509,"contest_id":"ahc026","epoch_second":1699165300,"problem_id":"ahc026_a"},{"id":47297705,"contest_id":"ahc026","epoch_second":1699165625,"problem_id":"ahc026_a"},{"id":47298140,"contest_id":"ahc026","epoch_second":1699166282,"problem_id":"ahc026_a"},{"id":47298603,"contest_id":"ahc026","epoch_second":1699166897,"problem_id":"ahc026_a"},{"id":47298875,"contest_id":"ahc026","epoch_second":1699167221,"problem_id":"ahc026_a"},{"id":47299401,"contest_id":"ahc026","epoch_second":1699167851,"problem_id":"ahc026_a"},{"id":47299668,"contest_id":"ahc026","epoch_second":1699168151,"problem_id":"ahc026_a"},{"id":47299944,"contest_id":"ahc026","epoch_second":1699168476,"problem_id":"ahc026_a"},{"id":47301123,"contest_id":"ahc026","epoch_second":1699169871,"problem_id":"ahc026_a"},{"id":47304201,"contest_id":"ahc026","epoch_second":1699173257,"problem_id":"ahc026_a"},{"id":47304723,"contest_id":"ahc026","epoch_second":1699173876,"problem_id":"ahc026_a"},{"id":47305104,"contest_id":"ahc026","epoch_second":1699174379,"problem_id":"ahc026_a"},{"id":47305340,"contest_id":"ahc026","epoch_second":1699174681,"problem_id":"ahc026_a"},{"id":47305625,"contest_id":"ahc026","epoch_second":1699174982,"problem_id":"ahc026_a"},{"id":47305854,"contest_id":"ahc026","epoch_second":1699175288,"problem_id":"ahc026_a"},{"id":47306090,"contest_id":"ahc026","epoch_second":1699175595,"problem_id":"ahc026_a"},{"id":47306330,"contest_id":"ahc026","epoch_second":1699175895,"problem_id":"ahc026_a"},{"id":47317205,"contest_id":"abc327","epoch_second":1699198026,"problem_id":"abc327_b"},{"id":47341854,"contest_id":"abc327","epoch_second":1699283954,"problem_id":"abc327_c"},{"id":47364422,"contest_id":"abc327","epoch_second":1699371020,"problem_id":"abc327_d"},{"id":47386900,"contest_id":"abc327","epoch_second":1699458197,"problem_id":"abc327_e"},{"id":47410116,"contest_id":"past202303-open","epoch_second":1699542986,"problem_id":"past202303_g"},{"id":47433776,"contest_id":"typical90","epoch_second":1699631522,"problem_id":"typical90_bh"},{"id":47466258,"contest_id":"abc328","epoch_second":1699704753,"problem_id":"abc328_a"},{"id":47469070,"contest_id":"abc328","epoch_second":1699704971,"problem_id":"abc328_b"},{"id":47470461,"contest_id":"abc328","epoch_second":1699705083,"problem_id":"abc328_c"},{"id":47471337,"contest_id":"abc328","epoch_second":1699705164,"problem_id":"abc328_d"},{"id":47490921,"contest_id":"abc328","epoch_second":1699707596,"problem_id":"abc328_f"},{"id":47495950,"contest_id":"abc328","epoch_second":1699708470,"problem_id":"abc328_e"},{"id":47510682,"contest_id":"snuke21","epoch_second":1699714935,"problem_id":"snuke21_a"},{"id":47537571,"contest_id":"abc074","epoch_second":1699803081,"problem_id":"arc083_b"},{"id":47559290,"contest_id":"abc122","epoch_second":1699888437,"problem_id":"abc122_d"},{"id":47581992,"contest_id":"abc027","epoch_second":1699977583,"problem_id":"abc027_c"},{"id":47603915,"contest_id":"abc018","epoch_second":1700061719,"problem_id":"abc018_3"},{"id":47625238,"contest_id":"abc023","epoch_second":1700148098,"problem_id":"abc023_c"},{"id":47645675,"contest_id":"abc041","epoch_second":1700233439,"problem_id":"abc041_d"},{"id":47672065,"contest_id":"abc329","epoch_second":1700308826,"problem_id":"abc329_a"},{"id":47676742,"contest_id":"abc329","epoch_second":1700308916,"problem_id":"abc329_b"},{"id":47681979,"contest_id":"abc329","epoch_second":1700309061,"problem_id":"abc329_c"},{"id":47688636,"contest_id":"abc329","epoch_second":1700309376,"problem_id":"abc329_d"},{"id":47701247,"contest_id":"abc329","epoch_second":1700310435,"problem_id":"abc329_e"},{"id":47707173,"contest_id":"abc329","epoch_second":1700311194,"problem_id":"abc329_f"},{"id":47736933,"contest_id":"abc029","epoch_second":1700322056,"problem_id":"abc029_d"},{"id":47768258,"contest_id":"arc168","epoch_second":1700406059,"problem_id":"arc168_a"},{"id":47788472,"contest_id":"past15-open","epoch_second":1700492498,"problem_id":"past202306_a"},{"id":47809788,"contest_id":"past15-open","epoch_second":1700580620,"problem_id":"past202306_b"},{"id":47830774,"contest_id":"past15-open","epoch_second":1700667753,"problem_id":"past202306_c"},{"id":47853509,"contest_id":"abc092","epoch_second":1700754175,"problem_id":"arc093_b"},{"id":47871840,"contest_id":"math-and-algorithm","epoch_second":1700838807,"problem_id":"math_and_algorithm_az"},{"id":47923551,"contest_id":"abc330","epoch_second":1700916455,"problem_id":"abc330_e"},{"id":47929908,"contest_id":"abc330","epoch_second":1700917476,"problem_id":"abc330_f"},{"id":47931678,"contest_id":"abc330","epoch_second":1700917779,"problem_id":"abc330_d"},{"id":47932287,"contest_id":"abc330","epoch_second":1700917883,"problem_id":"abc330_c"},{"id":47932948,"contest_id":"abc330","epoch_second":1700917996,"problem_id":"abc330_b"},{"id":47933178,"contest_id":"abc330","epoch_second":1700918037,"problem_id":"abc330_a"},{"id":47948531,"contest_id":"past202005-open","epoch_second":1700924879,"problem_id":"past202005_i"},{"id":47975509,"contest_id":"past202212-open","epoch_second":1701011688,"problem_id":"past202212_g"},{"id":47995756,"contest_id":"past15-open","epoch_second":1701100907,"problem_id":"past202306_d"},{"id":48016337,"contest_id":"past15-open","epoch_second":1701185197,"problem_id":"past202306_e"},{"id":48038443,"contest_id":"past15-open","epoch_second":1701271919,"problem_id":"past202306_f"},{"id":48057758,"contest_id":"past15-open","epoch_second":1701356595,"problem_id":"past202306_g"},{"id":48075828,"contest_id":"joi2024yo1c","epoch_second":1701443130,"problem_id":"joi2024_yo1c_a"},{"id":48096801,"contest_id":"abc331","epoch_second":1701518450,"problem_id":"abc331_a"},{"id":48105793,"contest_id":"abc331","epoch_second":1701518875,"problem_id":"abc331_b"},{"id":48107196,"contest_id":"abc331","epoch_second":1701518955,"problem_id":"abc331_c"},{"id":48130965,"contest_id":"abc331","epoch_second":1701521704,"problem_id":"abc331_e"},{"id":48137618,"contest_id":"abc331","epoch_second":1701522953,"problem_id":"abc331_d"},{"id":48151110,"contest_id":"joi2024yo1c","epoch_second":1701529233,"problem_id":"joi2024_yo1c_b"},{"id":48179301,"contest_id":"joi2024yo1c","epoch_second":1701618560,"problem_id":"joi2024_yo1c_c"},{"id":48197822,"contest_id":"joi2024yo1c","epoch_second":1701702786,"problem_id":"joi2024_yo1c_d"},{"id":48218902,"contest_id":"joig2023-open","epoch_second":1701789859,"problem_id":"joig2023_d"},{"id":48238006,"contest_id":"past202303-open","epoch_second":1701875605,"problem_id":"past202303_h"},{"id":48258292,"contest_id":"past202010-open","epoch_second":1701963518,"problem_id":"past202010_h"},{"id":48278344,"contest_id":"past16-open","epoch_second":1702050244,"problem_id":"past202309_a"},{"id":48327552,"contest_id":"arc169","epoch_second":1702134072,"problem_id":"arc169_a"},{"id":48363199,"contest_id":"abc332","epoch_second":1702209673,"problem_id":"abc332_a"},{"id":48366490,"contest_id":"abc332","epoch_second":1702209801,"problem_id":"abc332_b"},{"id":48371032,"contest_id":"abc332","epoch_second":1702210079,"problem_id":"abc332_c"},{"id":48377509,"contest_id":"abc332","epoch_second":1702210617,"problem_id":"abc332_d"},{"id":48406676,"contest_id":"abc332","epoch_second":1702217428,"problem_id":"abc332_f"},{"id":48411331,"contest_id":"abc332","epoch_second":1702221656,"problem_id":"abc332_e"},{"id":48433494,"contest_id":"past16-open","epoch_second":1702307038,"problem_id":"past202309_b"},{"id":48456177,"contest_id":"past16-open","epoch_second":1702395349,"problem_id":"past202309_c"},{"id":48476105,"contest_id":"past16-open","epoch_second":1702482414,"problem_id":"past202309_d"},{"id":48497038,"contest_id":"past16-open","epoch_second":1702570329,"problem_id":"past202309_e"},{"id":48514641,"contest_id":"past16-open","epoch_second":1702653036,"problem_id":"past202309_f"},{"id":48532334,"contest_id":"abc333","epoch_second":1702728024,"problem_id":"abc333_a"},{"id":48539410,"contest_id":"abc333","epoch_second":1702728209,"problem_id":"abc333_b"},{"id":48556911,"contest_id":"abc333","epoch_second":1702729231,"problem_id":"abc333_c"},{"id":48565756,"contest_id":"abc333","epoch_second":1702729846,"problem_id":"abc333_d"},{"id":48572754,"contest_id":"abc333","epoch_second":1702730363,"problem_id":"abc333_e"},{"id":48599317,"contest_id":"past16-open","epoch_second":1702741837,"problem_id":"past202309_g"},{"id":48626847,"contest_id":"past202012-open","epoch_second":1702826700,"problem_id":"past202012_h"},{"id":48645357,"contest_id":"past202104-open","epoch_second":1702913855,"problem_id":"past202104_h"},{"id":48663689,"contest_id":"joi2024yo2","epoch_second":1702999129,"problem_id":"joi2024_yo2_a"},{"id":48681479,"contest_id":"joi2024yo2","epoch_second":1703088251,"problem_id":"joi2024_yo2_b"},{"id":48699582,"contest_id":"abc006","epoch_second":1703173707,"problem_id":"abc006_4"},{"id":48716397,"contest_id":"past16-open","epoch_second":1703261702,"problem_id":"past202309_h"},{"id":48725470,"contest_id":"ahc029","epoch_second":1703313777,"problem_id":"ahc029_a"},{"id":48727673,"contest_id":"ahc029","epoch_second":1703318685,"problem_id":"ahc029_a"},{"id":48729482,"contest_id":"ahc029","epoch_second":1703322669,"problem_id":"ahc029_a"},{"id":48730272,"contest_id":"ahc029","epoch_second":1703325104,"problem_id":"ahc029_a"},{"id":48732885,"contest_id":"abc334","epoch_second":1703332840,"problem_id":"abc334_a"},{"id":48747875,"contest_id":"abc334","epoch_second":1703333705,"problem_id":"abc334_b"},{"id":48775017,"contest_id":"abc334","epoch_second":1703335710,"problem_id":"abc334_c"},{"id":48776332,"contest_id":"abc334","epoch_second":1703335854,"problem_id":"abc334_d"},{"id":48780179,"contest_id":"abc334","epoch_second":1703336293,"problem_id":"abc334_e"},{"id":48802856,"contest_id":"abc334","epoch_second":1703341062,"problem_id":"abc334_f"},{"id":48804963,"contest_id":"past15-open","epoch_second":1703344036,"problem_id":"past202306_h"},{"id":48812613,"contest_id":"ahc029","epoch_second":1703385636,"problem_id":"ahc029_a"},{"id":48867253,"contest_id":"ahc029","epoch_second":1703388795,"problem_id":"ahc029_b"},{"id":48813761,"contest_id":"ahc029","epoch_second":1703388795,"problem_id":"ahc029_a"},{"id":48830778,"contest_id":"past202212-open","epoch_second":1703432665,"problem_id":"past202212_h"},{"id":48847640,"contest_id":"abc313","epoch_second":1703516772,"problem_id":"abc313_e"},{"id":48870769,"contest_id":"past202203-open","epoch_second":1703604806,"problem_id":"past202203_h"},{"id":48888493,"contest_id":"abc166","epoch_second":1703692418,"problem_id":"abc166_f"},{"id":48905049,"contest_id":"abc245","epoch_second":1703776217,"problem_id":"abc245_e"},{"id":48920946,"contest_id":"past202206-open","epoch_second":1703864004,"problem_id":"past202206_h"},{"id":48939995,"contest_id":"past202112-open","epoch_second":1703950869,"problem_id":"past202112_h"},{"id":48962810,"contest_id":"abc153","epoch_second":1704043613,"problem_id":"abc153_f"},{"id":48975659,"contest_id":"past202005-open","epoch_second":1704122836,"problem_id":"past202005_j"},{"id":48990904,"contest_id":"arc059","epoch_second":1704207949,"problem_id":"arc059_b"},{"id":49007958,"contest_id":"abc045","epoch_second":1704294654,"problem_id":"arc061_b"},{"id":49025442,"contest_id":"arc161","epoch_second":1704381632,"problem_id":"arc161_d"},{"id":49042160,"contest_id":"joi2024yo2","epoch_second":1704468648,"problem_id":"joi2024_yo2_c"},{"id":49059428,"contest_id":"abc335","epoch_second":1704542429,"problem_id":"abc335_a"},{"id":49061439,"contest_id":"abc335","epoch_second":1704542472,"problem_id":"abc335_b"},{"id":49069328,"contest_id":"abc335","epoch_second":1704542699,"problem_id":"abc335_c"},{"id":49074729,"contest_id":"abc335","epoch_second":1704543057,"problem_id":"abc335_d"},{"id":49127286,"contest_id":"abc335","epoch_second":1704553606,"problem_id":"abc335_e"},{"id":49150468,"contest_id":"abc008","epoch_second":1704641755,"problem_id":"abc008_3"},{"id":49170570,"contest_id":"abc025","epoch_second":1704728020,"problem_id":"abc025_c"},{"id":49188065,"contest_id":"abc009","epoch_second":1704815196,"problem_id":"abc009_3"},{"id":49204787,"contest_id":"cf16-exhibition-final","epoch_second":1704899064,"problem_id":"cf16_exhibition_final_a"},{"id":49216031,"contest_id":"abc204","epoch_second":1704966668,"problem_id":"abc204_a"},{"id":49216039,"contest_id":"abc268","epoch_second":1704966700,"problem_id":"abc268_a"},{"id":49216127,"contest_id":"abc157","epoch_second":1704966936,"problem_id":"abc157_c"},{"id":49216160,"contest_id":"past201912-open","epoch_second":1704967060,"problem_id":"past201912_d"},{"id":49216176,"contest_id":"abc071","epoch_second":1704967109,"problem_id":"abc071_a"},{"id":49216206,"contest_id":"abc266","epoch_second":1704967188,"problem_id":"abc266_b"},{"id":49216335,"contest_id":"abc280","epoch_second":1704967642,"problem_id":"abc280_d"},{"id":49216352,"contest_id":"joi2024yo2","epoch_second":1704967731,"problem_id":"joi2024_yo2_a"},{"id":49216391,"contest_id":"abc074","epoch_second":1704967904,"problem_id":"abc074_b"},{"id":49216487,"contest_id":"abc132","epoch_second":1704968292,"problem_id":"abc132_d"},{"id":49216801,"contest_id":"joi2024yo2","epoch_second":1704969685,"problem_id":"joi2024_yo2_b"},{"id":49221774,"contest_id":"abc221","epoch_second":1704985684,"problem_id":"abc221_e"},{"id":49238333,"contest_id":"past202109-open","epoch_second":1705073254,"problem_id":"past202109_h"},{"id":49247776,"contest_id":"ahc028","epoch_second":1705129672,"problem_id":"ahc028_a"},{"id":49250555,"contest_id":"ahc028","epoch_second":1705133804,"problem_id":"ahc028_a"},{"id":49250909,"contest_id":"ahc028","epoch_second":1705134323,"problem_id":"ahc028_a"},{"id":49251205,"contest_id":"ahc028","epoch_second":1705134749,"problem_id":"ahc028_a"},{"id":49251513,"contest_id":"ahc028","epoch_second":1705135175,"problem_id":"ahc028_a"},{"id":49252933,"contest_id":"ahc028","epoch_second":1705136971,"problem_id":"ahc028_a"},{"id":49253232,"contest_id":"ahc028","epoch_second":1705137367,"problem_id":"ahc028_a"},{"id":49253472,"contest_id":"ahc028","epoch_second":1705137667,"problem_id":"ahc028_a"},{"id":49253796,"contest_id":"ahc028","epoch_second":1705138057,"problem_id":"ahc028_a"},{"id":49254509,"contest_id":"ahc028","epoch_second":1705138867,"problem_id":"ahc028_a"},{"id":49254828,"contest_id":"ahc028","epoch_second":1705139183,"problem_id":"ahc028_a"},{"id":49262675,"contest_id":"code-festival-2015-morning-easy","epoch_second":1705162906,"problem_id":"cf_2015_morning_easy_d"},{"id":49266544,"contest_id":"ahc028","epoch_second":1705200889,"problem_id":"ahc028_a"},{"id":49267123,"contest_id":"ahc028","epoch_second":1705203800,"problem_id":"ahc028_a"},{"id":49320433,"contest_id":"abc336","epoch_second":1705245400,"problem_id":"abc336_a"},{"id":49340904,"contest_id":"abc336","epoch_second":1705331595,"problem_id":"abc336_b"},{"id":49359746,"contest_id":"abc336","epoch_second":1705419253,"problem_id":"abc336_c"},{"id":49378205,"contest_id":"abc336","epoch_second":1705503732,"problem_id":"abc336_d"},{"id":49398387,"contest_id":"abc336","epoch_second":1705592278,"problem_id":"abc336_e"},{"id":49415995,"contest_id":"arc106","epoch_second":1705678991,"problem_id":"arc106_c"},{"id":49432750,"contest_id":"abc337","epoch_second":1705752054,"problem_id":"abc337_a"},{"id":49439306,"contest_id":"abc337","epoch_second":1705752245,"problem_id":"abc337_b"},{"id":49446648,"contest_id":"abc337","epoch_second":1705752506,"problem_id":"abc337_c"},{"id":49476380,"contest_id":"abc337","epoch_second":1705754216,"problem_id":"abc337_d"},{"id":49512508,"contest_id":"abc337","epoch_second":1705759349,"problem_id":"abc337_e"},{"id":49516613,"contest_id":"bitflyer2018-final-open","epoch_second":1705763842,"problem_id":"bitflyer2018_final_a"},{"id":49562961,"contest_id":"abc154","epoch_second":1705850746,"problem_id":"abc154_e"},{"id":49587537,"contest_id":"abc183","epoch_second":1705937748,"problem_id":"abc183_e"},{"id":49601568,"contest_id":"abc289","epoch_second":1706002435,"problem_id":"abc289_c"},{"id":49609548,"contest_id":"donuts-2015","epoch_second":1706023603,"problem_id":"donuts_2015_2"},{"id":49631518,"contest_id":"arc170","epoch_second":1706110363,"problem_id":"arc170_a"},{"id":49654068,"contest_id":"arc170","epoch_second":1706196142,"problem_id":"arc170_b"},{"id":49674490,"contest_id":"code-festival-2014-morning-easy","epoch_second":1706282738,"problem_id":"code_festival_morning_easy_c"},{"id":49691687,"contest_id":"abc338","epoch_second":1706356898,"problem_id":"abc338_a"},{"id":49693391,"contest_id":"abc338","epoch_second":1706356951,"problem_id":"abc338_b"},{"id":49703641,"contest_id":"abc338","epoch_second":1706357372,"problem_id":"abc338_c"},{"id":49743700,"contest_id":"abc338","epoch_second":1706363916,"problem_id":"abc338_d"},{"id":49745081,"contest_id":"abc338","epoch_second":1706364886,"problem_id":"abc338_e"},{"id":49748280,"contest_id":"abc338","epoch_second":1706370120,"problem_id":"abc338_f"},{"id":49773522,"contest_id":"code-festival-2018-qualb","epoch_second":1706459038,"problem_id":"code_festival_2018_qualb_a"},{"id":49796302,"contest_id":"abc183","epoch_second":1706542672,"problem_id":"abc183_f"},{"id":49819585,"contest_id":"abc118","epoch_second":1706627782,"problem_id":"abc118_d"},{"id":49846536,"contest_id":"arc040","epoch_second":1706714862,"problem_id":"arc040_c"},{"id":49869978,"contest_id":"abc223","epoch_second":1706802122,"problem_id":"abc223_f"},{"id":49893254,"contest_id":"bcu30-2019","epoch_second":1706889352,"problem_id":"bcu30_2019_a"},{"id":49913887,"contest_id":"abc339","epoch_second":1706961718,"problem_id":"abc339_a"},{"id":49918866,"contest_id":"abc339","epoch_second":1706961961,"problem_id":"abc339_b"},{"id":49919589,"contest_id":"abc339","epoch_second":1706962014,"problem_id":"abc339_c"},{"id":49942629,"contest_id":"abc339","epoch_second":1706963741,"problem_id":"abc339_e"},{"id":49947555,"contest_id":"abc339","epoch_second":1706964243,"problem_id":"abc339_f"},{"id":49963909,"contest_id":"abc339","epoch_second":1706966724,"problem_id":"abc339_d"},{"id":49977648,"contest_id":"abc275","epoch_second":1706975405,"problem_id":"abc275_f"},{"id":50019673,"contest_id":"arc171","epoch_second":1707059474,"problem_id":"arc171_a"},{"id":50043676,"contest_id":"abc325","epoch_second":1707145886,"problem_id":"abc325_f"},{"id":50065552,"contest_id":"joi2008yo","epoch_second":1707232378,"problem_id":"joi2008yo_a"},{"id":50085317,"contest_id":"joig2024-open","epoch_second":1707319274,"problem_id":"joig2024_a"},{"id":50103345,"contest_id":"joi2009yo","epoch_second":1707404407,"problem_id":"joi2009yo_a"},{"id":50121340,"contest_id":"abc291","epoch_second":1707491674,"problem_id":"abc291_f"},{"id":50165020,"contest_id":"abc340","epoch_second":1707568846,"problem_id":"abc340_a"},{"id":50165344,"contest_id":"abc340","epoch_second":1707568906,"problem_id":"abc340_b"},{"id":50167523,"contest_id":"abc340","epoch_second":1707569340,"problem_id":"abc340_c"},{"id":50168343,"contest_id":"abc340","epoch_second":1707569505,"problem_id":"abc340_d"},{"id":50171316,"contest_id":"abc340","epoch_second":1707570136,"problem_id":"abc340_e"},{"id":50178386,"contest_id":"abc340","epoch_second":1707571833,"problem_id":"abc340_f"},{"id":50188344,"contest_id":"joig2024-open","epoch_second":1707579113,"problem_id":"joig2024_b"},{"id":50212937,"contest_id":"abc007","epoch_second":1707665226,"problem_id":"abc007_4"},{"id":50234189,"contest_id":"joi2006ho","epoch_second":1707751220,"problem_id":"joi2006ho_a"},{"id":50253834,"contest_id":"joi2006ho","epoch_second":1707838304,"problem_id":"joi2006ho_b"},{"id":50273983,"contest_id":"joi2014yo","epoch_second":1707928488,"problem_id":"joi2014yo_a"},{"id":50292450,"contest_id":"abc272","epoch_second":1708009823,"problem_id":"abc272_e"},{"id":50296528,"contest_id":"abc205","epoch_second":1708041676,"problem_id":"abc205_c"},{"id":50296577,"contest_id":"abc225","epoch_second":1708042001,"problem_id":"abc225_c"},{"id":50296586,"contest_id":"abc106","epoch_second":1708042062,"problem_id":"abc106_c"},{"id":50296701,"contest_id":"abc006","epoch_second":1708042770,"problem_id":"abc006_2"},{"id":50296736,"contest_id":"abc265","epoch_second":1708043015,"problem_id":"abc265_e"},{"id":50296881,"contest_id":"abc144","epoch_second":1708043790,"problem_id":"abc144_d"},{"id":50311116,"contest_id":"abc066","epoch_second":1708095843,"problem_id":"arc077_b"},{"id":50328153,"contest_id":"abc341","epoch_second":1708171228,"problem_id":"abc341_a"},{"id":50333184,"contest_id":"abc341","epoch_second":1708171337,"problem_id":"abc341_b"},{"id":50336776,"contest_id":"abc341","epoch_second":1708171480,"problem_id":"abc341_c"},{"id":50367542,"contest_id":"abc341","epoch_second":1708173810,"problem_id":"abc341_d"},{"id":50375241,"contest_id":"abc341","epoch_second":1708174751,"problem_id":"abc341_e"},{"id":50395546,"contest_id":"abc341","epoch_second":1708182007,"problem_id":"abc341_f"},{"id":50431398,"contest_id":"arc172","epoch_second":1708269273,"problem_id":"arc172_a"},{"id":50435926,"contest_id":"abc093","epoch_second":1708300872,"problem_id":"abc093_a"},{"id":50435941,"contest_id":"m-solutions2020","epoch_second":1708300917,"problem_id":"m_solutions2020_c"},{"id":50436029,"contest_id":"abc174","epoch_second":1708301367,"problem_id":"abc174_d"},{"id":50436098,"contest_id":"abc072","epoch_second":1708301689,"problem_id":"arc082_b"},{"id":50436215,"contest_id":"abc304","epoch_second":1708302115,"problem_id":"abc304_e"},{"id":50436277,"contest_id":"abc310","epoch_second":1708302390,"problem_id":"abc310_e"},{"id":50436391,"contest_id":"abc243","epoch_second":1708302986,"problem_id":"abc243_e"},{"id":50456977,"contest_id":"tenka1-2018-beginner","epoch_second":1708356024,"problem_id":"tenka1_2018_d"},{"id":50457253,"contest_id":"arc137","epoch_second":1708357369,"problem_id":"arc137_c"},{"id":50457624,"contest_id":"abc258","epoch_second":1708359329,"problem_id":"abc258_g"},{"id":50460244,"contest_id":"abc076","epoch_second":1708387249,"problem_id":"abc076_a"},{"id":50460247,"contest_id":"abc179","epoch_second":1708387321,"problem_id":"abc179_c"},{"id":50460298,"contest_id":"abc250","epoch_second":1708387623,"problem_id":"abc250_c"},{"id":50460364,"contest_id":"abc258","epoch_second":1708387989,"problem_id":"abc258_d"},{"id":50460469,"contest_id":"abc235","epoch_second":1708388514,"problem_id":"abc235_d"},{"id":50460664,"contest_id":"abc323","epoch_second":1708389650,"problem_id":"abc323_e"},{"id":50477215,"contest_id":"typical90","epoch_second":1708441085,"problem_id":"typical90_a"},{"id":50477262,"contest_id":"typical90","epoch_second":1708441206,"problem_id":"typical90_b"},{"id":50477341,"contest_id":"typical90","epoch_second":1708441400,"problem_id":"typical90_c"},{"id":50477363,"contest_id":"typical90","epoch_second":1708441487,"problem_id":"typical90_d"},{"id":50477449,"contest_id":"typical90","epoch_second":1708441795,"problem_id":"typical90_f"},{"id":50500601,"contest_id":"typical90","epoch_second":1708528147,"problem_id":"typical90_g"},{"id":50500699,"contest_id":"typical90","epoch_second":1708528553,"problem_id":"typical90_h"},{"id":50500738,"contest_id":"typical90","epoch_second":1708528718,"problem_id":"typical90_j"},{"id":50500862,"contest_id":"typical90","epoch_second":1708529227,"problem_id":"typical90_k"},{"id":50520064,"contest_id":"abc032","epoch_second":1708614397,"problem_id":"abc032_d"},{"id":50541571,"contest_id":"language-test-ver1","epoch_second":1708704180,"problem_id":"test001_a"},{"id":50616790,"contest_id":"abc342","epoch_second":1708787164,"problem_id":"abc342_a"},{"id":50644904,"contest_id":"abc256","epoch_second":1708873842,"problem_id":"abc256_f"},{"id":50644992,"contest_id":"abc342","epoch_second":1708874104,"problem_id":"abc342_b"},{"id":50650387,"contest_id":"abc227","epoch_second":1708912045,"problem_id":"abc227_d"},{"id":50650611,"contest_id":"abc061","epoch_second":1708913196,"problem_id":"abc061_d"},{"id":50655826,"contest_id":"abc228","epoch_second":1708933242,"problem_id":"abc228_e"},{"id":50656179,"contest_id":"abc244","epoch_second":1708934228,"problem_id":"abc244_f"},{"id":50656712,"contest_id":"abc270","epoch_second":1708935740,"problem_id":"abc270_f"},{"id":50665790,"contest_id":"abc342","epoch_second":1708959650,"problem_id":"abc342_c"},{"id":50691826,"contest_id":"abc342","epoch_second":1709076979,"problem_id":"abc342_d"},{"id":50709020,"contest_id":"abc342","epoch_second":1709132437,"problem_id":"abc342_e"},{"id":50729654,"contest_id":"typical90","epoch_second":1709219825,"problem_id":"typical90_l"},{"id":50729678,"contest_id":"typical90","epoch_second":1709219977,"problem_id":"typical90_m"},{"id":50729698,"contest_id":"tessoku-book","epoch_second":1709220100,"problem_id":"tessoku_book_y"},{"id":50747444,"contest_id":"abc013","epoch_second":1709305333,"problem_id":"abc013_4"},{"id":50762335,"contest_id":"abc287","epoch_second":1709369438,"problem_id":"abc287_g"},{"id":50762849,"contest_id":"abc238","epoch_second":1709370592,"problem_id":"abc238_e"},{"id":50766898,"contest_id":"abc343","epoch_second":1709380835,"problem_id":"abc343_a"},{"id":50769616,"contest_id":"abc343","epoch_second":1709380886,"problem_id":"abc343_b"},{"id":50773501,"contest_id":"abc343","epoch_second":1709380962,"problem_id":"abc343_c"},{"id":50782111,"contest_id":"abc343","epoch_second":1709381222,"problem_id":"abc343_d"},{"id":50802774,"contest_id":"abc343","epoch_second":1709382354,"problem_id":"abc343_f"},{"id":50835410,"contest_id":"abc343","epoch_second":1709386001,"problem_id":"abc343_g"},{"id":50850289,"contest_id":"abc343","epoch_second":1709392487,"problem_id":"abc343_e"},{"id":50886249,"contest_id":"tessoku-book","epoch_second":1709479884,"problem_id":"tessoku_book_bz"},{"id":50908669,"contest_id":"tessoku-book","epoch_second":1709564515,"problem_id":"tessoku_book_x"},{"id":50933336,"contest_id":"tessoku-book","epoch_second":1709651542,"problem_id":"tessoku_book_z"},{"id":50956696,"contest_id":"tessoku-book","epoch_second":1709737832,"problem_id":"tessoku_book_w"},{"id":50960644,"contest_id":"abc153","epoch_second":1709769704,"problem_id":"abc153_c"},{"id":50960683,"contest_id":"abc255","epoch_second":1709770132,"problem_id":"abc255_b"},{"id":50960734,"contest_id":"abc249","epoch_second":1709770448,"problem_id":"abc249_c"},{"id":50960758,"contest_id":"abc129","epoch_second":1709770557,"problem_id":"abc129_c"},{"id":50960815,"contest_id":"abc317","epoch_second":1709770865,"problem_id":"abc317_d"},{"id":50960902,"contest_id":"abc300","epoch_second":1709771307,"problem_id":"abc300_e"},{"id":50961185,"contest_id":"abc294","epoch_second":1709772774,"problem_id":"abc294_g"},{"id":50979667,"contest_id":"tessoku-book","epoch_second":1709828524,"problem_id":"tessoku_book_ab"},{"id":50999823,"contest_id":"tessoku-book","epoch_second":1709914100,"problem_id":"tessoku_book_u"},{"id":51101478,"contest_id":"abc344","epoch_second":1709997911,"problem_id":"abc344_a"},{"id":51140230,"contest_id":"abc344","epoch_second":1710083706,"problem_id":"abc344_b"},{"id":51162645,"contest_id":"abc344","epoch_second":1710169424,"problem_id":"abc344_c"},{"id":51184716,"contest_id":"abc344","epoch_second":1710255798,"problem_id":"abc344_d"},{"id":51207454,"contest_id":"abc344","epoch_second":1710342853,"problem_id":"abc344_e"},{"id":51229954,"contest_id":"tupc2023","epoch_second":1710429679,"problem_id":"tupc2023_a"},{"id":51251595,"contest_id":"tessoku-book","epoch_second":1710515606,"problem_id":"tessoku_book_v"},{"id":51337867,"contest_id":"abc345","epoch_second":1710595243,"problem_id":"abc345_a"},{"id":51338299,"contest_id":"abc345","epoch_second":1710595302,"problem_id":"abc345_b"},{"id":51342035,"contest_id":"abc345","epoch_second":1710595791,"problem_id":"abc345_c"},{"id":51356663,"contest_id":"abc345","epoch_second":1710602580,"problem_id":"abc345_d"},{"id":51368948,"contest_id":"utpc2023","epoch_second":1710649376,"problem_id":"utpc2023_l"},{"id":51369845,"contest_id":"utpc2023","epoch_second":1710651253,"problem_id":"utpc2023_n"},{"id":51401168,"contest_id":"arc174","epoch_second":1710687904,"problem_id":"arc174_a"},{"id":51425920,"contest_id":"arc174","epoch_second":1710774123,"problem_id":"arc174_b"},{"id":51451619,"contest_id":"tessoku-book","epoch_second":1710861846,"problem_id":"tessoku_book_ad"},{"id":51475767,"contest_id":"tessoku-book","epoch_second":1710947500,"problem_id":"tessoku_book_ae"},{"id":51498311,"contest_id":"tessoku-book","epoch_second":1711034152,"problem_id":"tessoku_book_ca"},{"id":51520589,"contest_id":"tessoku-book","epoch_second":1711119685,"problem_id":"tessoku_book_cb"},{"id":51618788,"contest_id":"abc346","epoch_second":1711207280,"problem_id":"abc346_a"}] \ No newline at end of file +[{"id":11079879,"contest_id":"past201912-open","epoch_second":1584869905,"problem_id":"past201912_b"},{"id":11080153,"contest_id":"past201912-open","epoch_second":1584870520,"problem_id":"past201912_c"},{"id":16805687,"contest_id":"abc178","epoch_second":1600351686,"problem_id":"abc178_a"},{"id":16805811,"contest_id":"abc178","epoch_second":1600352015,"problem_id":"abc178_b"},{"id":19800549,"contest_id":"abc190","epoch_second":1612010250,"problem_id":"abc190_a"},{"id":19802380,"contest_id":"abc190","epoch_second":1612010580,"problem_id":"abc190_b"},{"id":19820846,"contest_id":"APG4b","epoch_second":1612015374,"problem_id":"APG4b_a"},{"id":19844989,"contest_id":"APG4b","epoch_second":1612098929,"problem_id":"APG4b_cv"},{"id":19845118,"contest_id":"APG4b","epoch_second":1612099162,"problem_id":"APG4b_cu"},{"id":19845150,"contest_id":"APG4b","epoch_second":1612099222,"problem_id":"APG4b_ct"},{"id":19845174,"contest_id":"APG4b","epoch_second":1612099269,"problem_id":"APG4b_cs"},{"id":19845220,"contest_id":"APG4b","epoch_second":1612099374,"problem_id":"APG4b_cr"},{"id":19845285,"contest_id":"abc084","epoch_second":1612099507,"problem_id":"abc084_a"},{"id":19845377,"contest_id":"abc076","epoch_second":1612099663,"problem_id":"abc076_a"},{"id":19845421,"contest_id":"abc074","epoch_second":1612099750,"problem_id":"abc074_a"},{"id":19845589,"contest_id":"abc082","epoch_second":1612100110,"problem_id":"abc082_a"},{"id":19845879,"contest_id":"abc081","epoch_second":1612100706,"problem_id":"abc081_a"},{"id":19846080,"contest_id":"APG4b","epoch_second":1612101154,"problem_id":"APG4b_cq"},{"id":19846198,"contest_id":"abc088","epoch_second":1612101465,"problem_id":"abc088_a"},{"id":19846339,"contest_id":"abc088","epoch_second":1612101761,"problem_id":"abc088_a"},{"id":19846390,"contest_id":"abc086","epoch_second":1612101883,"problem_id":"abc086_a"},{"id":19846451,"contest_id":"abc083","epoch_second":1612102033,"problem_id":"abc083_a"},{"id":19846517,"contest_id":"abc080","epoch_second":1612102185,"problem_id":"abc080_a"},{"id":19846652,"contest_id":"abc079","epoch_second":1612102519,"problem_id":"abc079_a"},{"id":19846745,"contest_id":"APG4b","epoch_second":1612102713,"problem_id":"APG4b_cp"},{"id":19846847,"contest_id":"APG4b","epoch_second":1612102960,"problem_id":"APG4b_co"},{"id":19846908,"contest_id":"APG4b","epoch_second":1612103117,"problem_id":"APG4b_cn"},{"id":19846985,"contest_id":"APG4b","epoch_second":1612103300,"problem_id":"APG4b_cm"},{"id":19955570,"contest_id":"abc191","epoch_second":1612612994,"problem_id":"abc191_a"},{"id":19961641,"contest_id":"abc191","epoch_second":1612613203,"problem_id":"abc191_b"},{"id":20295900,"contest_id":"abc192","epoch_second":1613823028,"problem_id":"abc192_a"},{"id":20301704,"contest_id":"abc192","epoch_second":1613823580,"problem_id":"abc192_b"},{"id":20321088,"contest_id":"abc192","epoch_second":1613826087,"problem_id":"abc192_c"},{"id":20522060,"contest_id":"abc193","epoch_second":1614427429,"problem_id":"abc193_a"},{"id":20530482,"contest_id":"abc193","epoch_second":1614428072,"problem_id":"abc193_b"},{"id":20558146,"contest_id":"abs","epoch_second":1614438399,"problem_id":"practice_1"},{"id":20558214,"contest_id":"abs","epoch_second":1614438506,"problem_id":"abc086_a"},{"id":20558343,"contest_id":"abs","epoch_second":1614438730,"problem_id":"abc081_a"},{"id":20558727,"contest_id":"abs","epoch_second":1614439419,"problem_id":"abc081_b"},{"id":20684237,"contest_id":"ahc001","epoch_second":1615020548,"problem_id":"ahc001_a"},{"id":20685001,"contest_id":"ahc001","epoch_second":1615022442,"problem_id":"ahc001_a"},{"id":20693584,"contest_id":"abc194","epoch_second":1615032347,"problem_id":"abc194_a"},{"id":20872782,"contest_id":"abc195","epoch_second":1615636928,"problem_id":"abc195_a"},{"id":20888749,"contest_id":"abc195","epoch_second":1615639431,"problem_id":"abc195_c"},{"id":20891630,"contest_id":"abc195","epoch_second":1615640010,"problem_id":"abc195_b"},{"id":21060134,"contest_id":"abc196","epoch_second":1616241652,"problem_id":"abc196_a"},{"id":21071613,"contest_id":"abc196","epoch_second":1616242031,"problem_id":"abc196_b"},{"id":21076393,"contest_id":"abc196","epoch_second":1616242429,"problem_id":"abc196_c"},{"id":21279466,"contest_id":"utpc2020","epoch_second":1616822903,"problem_id":"utpc2020_a"},{"id":21293252,"contest_id":"abc197","epoch_second":1616846523,"problem_id":"abc197_a"},{"id":21303986,"contest_id":"abc197","epoch_second":1616847819,"problem_id":"abc197_b"},{"id":21312358,"contest_id":"abc197","epoch_second":1616849524,"problem_id":"abc197_d"},{"id":21319750,"contest_id":"abc197","epoch_second":1616851425,"problem_id":"abc197_c"},{"id":21634027,"contest_id":"abc198","epoch_second":1618142437,"problem_id":"abc198_a"},{"id":21640897,"contest_id":"abc198","epoch_second":1618142714,"problem_id":"abc198_b"},{"id":21662300,"contest_id":"abc198","epoch_second":1618144297,"problem_id":"abc198_c"},{"id":21821782,"contest_id":"jsc2021","epoch_second":1618647022,"problem_id":"jsc2021_a"},{"id":21823019,"contest_id":"jsc2021","epoch_second":1618647555,"problem_id":"jsc2021_b"},{"id":21992245,"contest_id":"abc199","epoch_second":1619265667,"problem_id":"abc199_a"},{"id":21999873,"contest_id":"abc199","epoch_second":1619265908,"problem_id":"abc199_b"},{"id":22063393,"contest_id":"ahc002","epoch_second":1619346679,"problem_id":"ahc002_a"},{"id":22063753,"contest_id":"ahc002","epoch_second":1619347225,"problem_id":"ahc002_a"},{"id":22064660,"contest_id":"ahc002","epoch_second":1619348583,"problem_id":"ahc002_a"},{"id":22069122,"contest_id":"ahc002","epoch_second":1619353732,"problem_id":"ahc002_a"},{"id":22073637,"contest_id":"ahc002","epoch_second":1619357950,"problem_id":"ahc002_a"},{"id":22202706,"contest_id":"zone2021","epoch_second":1619871030,"problem_id":"zone2021_a"},{"id":22207104,"contest_id":"zone2021","epoch_second":1619871637,"problem_id":"zone2021_b"},{"id":22407529,"contest_id":"abc200","epoch_second":1620475798,"problem_id":"abc200_a"},{"id":22409308,"contest_id":"abc200","epoch_second":1620475943,"problem_id":"abc200_b"},{"id":22429048,"contest_id":"abc200","epoch_second":1620479416,"problem_id":"abc200_c"},{"id":22605704,"contest_id":"abc201","epoch_second":1621080447,"problem_id":"abc201_a"},{"id":22614384,"contest_id":"abc201","epoch_second":1621081407,"problem_id":"abc201_b"},{"id":22620834,"contest_id":"abc201","epoch_second":1621082695,"problem_id":"abc201_c"},{"id":22779476,"contest_id":"ahc003","epoch_second":1621656011,"problem_id":"ahc003_a"},{"id":22783808,"contest_id":"ahc003","epoch_second":1621667398,"problem_id":"ahc003_a"},{"id":22787318,"contest_id":"ahc003","epoch_second":1621675089,"problem_id":"ahc003_a"},{"id":22788036,"contest_id":"ahc003","epoch_second":1621676932,"problem_id":"ahc003_a"},{"id":22792367,"contest_id":"abc202","epoch_second":1621684857,"problem_id":"abc202_a"},{"id":22801129,"contest_id":"abc202","epoch_second":1621685103,"problem_id":"abc202_b"},{"id":22842801,"contest_id":"ahc003","epoch_second":1621697826,"problem_id":"ahc003_a"},{"id":22906302,"contest_id":"ahc003","epoch_second":1621922261,"problem_id":"ahc003_a"},{"id":22906799,"contest_id":"ahc003","epoch_second":1621924083,"problem_id":"ahc003_a"},{"id":22907260,"contest_id":"ahc003","epoch_second":1621925924,"problem_id":"ahc003_a"},{"id":22907895,"contest_id":"ahc003","epoch_second":1621927967,"problem_id":"ahc003_a"},{"id":22910822,"contest_id":"ahc003","epoch_second":1621937905,"problem_id":"ahc003_a"},{"id":22911478,"contest_id":"ahc003","epoch_second":1621940114,"problem_id":"ahc003_a"},{"id":22925640,"contest_id":"ahc003","epoch_second":1622010353,"problem_id":"ahc003_a"},{"id":23020247,"contest_id":"ahc003","epoch_second":1622340947,"problem_id":"ahc003_a"},{"id":23020788,"contest_id":"ahc003","epoch_second":1622342805,"problem_id":"ahc003_a"},{"id":23021305,"contest_id":"ahc003","epoch_second":1622344628,"problem_id":"ahc003_a"},{"id":23025023,"contest_id":"ahc003","epoch_second":1622355766,"problem_id":"ahc003_a"},{"id":23025933,"contest_id":"ahc003","epoch_second":1622357653,"problem_id":"ahc003_a"},{"id":23034219,"contest_id":"abc203","epoch_second":1622376080,"problem_id":"abc203_a"},{"id":23040604,"contest_id":"abc203","epoch_second":1622376246,"problem_id":"abc203_b"},{"id":23048601,"contest_id":"abc203","epoch_second":1622376674,"problem_id":"abc203_c"},{"id":23171108,"contest_id":"typical90","epoch_second":1622813489,"problem_id":"typical90_a"},{"id":23171462,"contest_id":"typical90","epoch_second":1622814510,"problem_id":"typical90_b"},{"id":23171832,"contest_id":"typical90","epoch_second":1622815459,"problem_id":"typical90_d"},{"id":23172140,"contest_id":"typical90","epoch_second":1622816268,"problem_id":"typical90_j"},{"id":23172477,"contest_id":"typical90","epoch_second":1622817201,"problem_id":"typical90_v"},{"id":23172745,"contest_id":"typical90","epoch_second":1622817936,"problem_id":"typical90_x"},{"id":23172883,"contest_id":"typical90","epoch_second":1622818479,"problem_id":"typical90_aa"},{"id":23172989,"contest_id":"typical90","epoch_second":1622818861,"problem_id":"typical90_ag"},{"id":23173176,"contest_id":"typical90","epoch_second":1622819561,"problem_id":"typical90_bc"},{"id":23210769,"contest_id":"abc204","epoch_second":1622980872,"problem_id":"abc204_a"},{"id":23215639,"contest_id":"abc204","epoch_second":1622981006,"problem_id":"abc204_b"},{"id":23245855,"contest_id":"abc204","epoch_second":1622984896,"problem_id":"abc204_c"},{"id":23396970,"contest_id":"abc205","epoch_second":1623585656,"problem_id":"abc205_a"},{"id":23403526,"contest_id":"abc205","epoch_second":1623585809,"problem_id":"abc205_b"},{"id":23426950,"contest_id":"abc205","epoch_second":1623587319,"problem_id":"abc205_c"},{"id":23447498,"contest_id":"abc205","epoch_second":1623590685,"problem_id":"abc205_d"},{"id":23460207,"contest_id":"abc205","epoch_second":1623601165,"problem_id":"abc205_c"},{"id":23570003,"contest_id":"abc206","epoch_second":1624104101,"problem_id":"abc206_a"},{"id":23576915,"contest_id":"abc206","epoch_second":1624104290,"problem_id":"abc206_b"},{"id":23594275,"contest_id":"abc206","epoch_second":1624105259,"problem_id":"abc206_c"},{"id":23742286,"contest_id":"ahc004","epoch_second":1624682871,"problem_id":"ahc004_a"},{"id":23742672,"contest_id":"ahc004","epoch_second":1624683905,"problem_id":"ahc004_a"},{"id":23742989,"contest_id":"ahc004","epoch_second":1624684557,"problem_id":"ahc004_a"},{"id":23743171,"contest_id":"ahc004","epoch_second":1624685013,"problem_id":"ahc004_a"},{"id":23748860,"contest_id":"ahc004","epoch_second":1624696221,"problem_id":"ahc004_a"},{"id":23749258,"contest_id":"ahc004","epoch_second":1624696983,"problem_id":"ahc004_a"},{"id":23750311,"contest_id":"ahc004","epoch_second":1624698874,"problem_id":"ahc004_a"},{"id":23751453,"contest_id":"ahc004","epoch_second":1624700852,"problem_id":"ahc004_a"},{"id":23752906,"contest_id":"ahc004","epoch_second":1624704607,"problem_id":"ahc004_a"},{"id":23752995,"contest_id":"ahc004","epoch_second":1624704916,"problem_id":"ahc004_a"},{"id":23756680,"contest_id":"abc207","epoch_second":1624708885,"problem_id":"abc207_a"},{"id":23762351,"contest_id":"abc207","epoch_second":1624709175,"problem_id":"abc207_b"},{"id":23776113,"contest_id":"abc207","epoch_second":1624710297,"problem_id":"abc207_c"},{"id":23949227,"contest_id":"abc208","epoch_second":1625400074,"problem_id":"abc208_a"},{"id":23958309,"contest_id":"abc208","epoch_second":1625400401,"problem_id":"abc208_b"},{"id":23964293,"contest_id":"abc208","epoch_second":1625400792,"problem_id":"abc208_c"},{"id":24101976,"contest_id":"abc209","epoch_second":1625918462,"problem_id":"abc209_a"},{"id":24109664,"contest_id":"abc209","epoch_second":1625918628,"problem_id":"abc209_b"},{"id":24119034,"contest_id":"abc209","epoch_second":1625919060,"problem_id":"abc209_c"},{"id":24138951,"contest_id":"abc209","epoch_second":1625923159,"problem_id":"abc209_d"},{"id":24282806,"contest_id":"abc210","epoch_second":1626523457,"problem_id":"abc210_a"},{"id":24287228,"contest_id":"abc210","epoch_second":1626523602,"problem_id":"abc210_b"},{"id":24323800,"contest_id":"abc210","epoch_second":1626528351,"problem_id":"abc210_c"},{"id":24412045,"contest_id":"abc210","epoch_second":1626789473,"problem_id":"abc210_c"},{"id":24412778,"contest_id":"practice2","epoch_second":1626791257,"problem_id":"practice2_a"},{"id":24412863,"contest_id":"practice2","epoch_second":1626791468,"problem_id":"practice2_b"},{"id":24412940,"contest_id":"practice2","epoch_second":1626791645,"problem_id":"practice2_c"},{"id":24478580,"contest_id":"abc211","epoch_second":1627128047,"problem_id":"abc211_a"},{"id":24485829,"contest_id":"abc211","epoch_second":1627128250,"problem_id":"abc211_b"},{"id":24498688,"contest_id":"abc211","epoch_second":1627129322,"problem_id":"abc211_c"},{"id":24644697,"contest_id":"abc212","epoch_second":1627732871,"problem_id":"abc212_a"},{"id":24656788,"contest_id":"abc212","epoch_second":1627733501,"problem_id":"abc212_b"},{"id":24664712,"contest_id":"abc212","epoch_second":1627734181,"problem_id":"abc212_c"},{"id":24691944,"contest_id":"abc212","epoch_second":1627739063,"problem_id":"abc212_d"},{"id":24822693,"contest_id":"ahc005","epoch_second":1628321333,"problem_id":"ahc005_a"},{"id":24822965,"contest_id":"ahc005","epoch_second":1628322086,"problem_id":"ahc005_a"},{"id":24824222,"contest_id":"ahc005","epoch_second":1628324908,"problem_id":"ahc005_a"},{"id":24828534,"contest_id":"ahc005","epoch_second":1628333181,"problem_id":"ahc005_a"},{"id":24897098,"contest_id":"abc213","epoch_second":1628435782,"problem_id":"abc213_a"},{"id":24897279,"contest_id":"abc213","epoch_second":1628436096,"problem_id":"abc213_b"},{"id":24897768,"contest_id":"abc213","epoch_second":1628436960,"problem_id":"abc213_c"},{"id":24898761,"contest_id":"abc213","epoch_second":1628439164,"problem_id":"abc213_d"},{"id":25018032,"contest_id":"abc214","epoch_second":1628942500,"problem_id":"abc214_a"},{"id":25023074,"contest_id":"abc214","epoch_second":1628942646,"problem_id":"abc214_b"},{"id":25038394,"contest_id":"abc214","epoch_second":1628944224,"problem_id":"abc214_c"},{"id":25174137,"contest_id":"abc139","epoch_second":1629466398,"problem_id":"abc139_b"},{"id":25174240,"contest_id":"abc156","epoch_second":1629466657,"problem_id":"abc156_c"},{"id":25174511,"contest_id":"code-festival-2016-qualb","epoch_second":1629467354,"problem_id":"codefestival_2016_qualB_b"},{"id":25174633,"contest_id":"sumitrust2019","epoch_second":1629467649,"problem_id":"sumitb2019_b"},{"id":25174751,"contest_id":"abc121","epoch_second":1629467997,"problem_id":"abc121_b"},{"id":25174834,"contest_id":"panasonic2020","epoch_second":1629468227,"problem_id":"panasonic2020_b"},{"id":25175016,"contest_id":"abc157","epoch_second":1629468699,"problem_id":"abc157_b"},{"id":25175130,"contest_id":"abc086","epoch_second":1629469003,"problem_id":"abc086_b"},{"id":25175322,"contest_id":"abc074","epoch_second":1629469476,"problem_id":"abc074_b"},{"id":25175412,"contest_id":"abc088","epoch_second":1629469670,"problem_id":"abc088_b"},{"id":25175485,"contest_id":"abc068","epoch_second":1629469837,"problem_id":"abc068_b"},{"id":25175644,"contest_id":"abc160","epoch_second":1629470295,"problem_id":"abc160_c"},{"id":25175853,"contest_id":"agc014","epoch_second":1629470875,"problem_id":"agc014_a"},{"id":25175928,"contest_id":"abc161","epoch_second":1629471107,"problem_id":"abc161_c"},{"id":25176023,"contest_id":"abc132","epoch_second":1629471363,"problem_id":"abc132_c"},{"id":25176084,"contest_id":"abc142","epoch_second":1629471555,"problem_id":"abc142_c"},{"id":25176205,"contest_id":"abc138","epoch_second":1629471869,"problem_id":"abc138_c"},{"id":25176379,"contest_id":"abc122","epoch_second":1629472443,"problem_id":"abc122_b"},{"id":25176500,"contest_id":"abc094","epoch_second":1629472858,"problem_id":"abc094_b"},{"id":25176712,"contest_id":"abc116","epoch_second":1629473662,"problem_id":"abc116_b"},{"id":25193250,"contest_id":"abc215","epoch_second":1629547279,"problem_id":"abc215_a"},{"id":25211303,"contest_id":"abc215","epoch_second":1629548029,"problem_id":"abc215_c"},{"id":25213259,"contest_id":"abc215","epoch_second":1629548197,"problem_id":"abc215_b"},{"id":25224221,"contest_id":"abc215","epoch_second":1629549588,"problem_id":"abc215_d"},{"id":25282296,"contest_id":"abc149","epoch_second":1629643853,"problem_id":"abc149_c"},{"id":25282430,"contest_id":"agc027","epoch_second":1629644236,"problem_id":"agc027_a"},{"id":25282575,"contest_id":"abc092","epoch_second":1629644627,"problem_id":"abc092_b"},{"id":25282701,"contest_id":"hitachi2020","epoch_second":1629644949,"problem_id":"hitachi2020_b"},{"id":25282759,"contest_id":"abc150","epoch_second":1629645153,"problem_id":"abc150_c"},{"id":25283300,"contest_id":"abc153","epoch_second":1629647016,"problem_id":"abc153_d"},{"id":25283394,"contest_id":"abc158","epoch_second":1629647455,"problem_id":"abc158_b"},{"id":25283438,"contest_id":"abc114","epoch_second":1629647637,"problem_id":"abc114_b"},{"id":25283642,"contest_id":"abc108","epoch_second":1629648768,"problem_id":"abc108_b"},{"id":25284069,"contest_id":"abc081","epoch_second":1629651348,"problem_id":"abc081_b"},{"id":25317993,"contest_id":"abc063","epoch_second":1629814292,"problem_id":"abc063_b"},{"id":25318056,"contest_id":"abc052","epoch_second":1629814457,"problem_id":"abc052_b"},{"id":25318133,"contest_id":"abc084","epoch_second":1629814636,"problem_id":"abc084_b"},{"id":25318194,"contest_id":"abc087","epoch_second":1629814801,"problem_id":"abc087_b"},{"id":25318295,"contest_id":"abc071","epoch_second":1629815050,"problem_id":"abc071_b"},{"id":25318395,"contest_id":"abc127","epoch_second":1629815336,"problem_id":"abc127_c"},{"id":25318459,"contest_id":"abc141","epoch_second":1629815548,"problem_id":"abc141_c"},{"id":25318590,"contest_id":"abc123","epoch_second":1629815982,"problem_id":"abc123_b"},{"id":25318631,"contest_id":"abc134","epoch_second":1629816198,"problem_id":"abc134_c"},{"id":25318743,"contest_id":"agc002","epoch_second":1629816544,"problem_id":"agc002_a"},{"id":25328874,"contest_id":"abc152","epoch_second":1629881173,"problem_id":"abc152_c"},{"id":25328931,"contest_id":"abc118","epoch_second":1629881369,"problem_id":"abc118_b"},{"id":25328961,"contest_id":"abc044","epoch_second":1629881500,"problem_id":"abc044_b"},{"id":25329148,"contest_id":"abc124","epoch_second":1629882280,"problem_id":"abc124_c"},{"id":25329203,"contest_id":"abc090","epoch_second":1629882499,"problem_id":"abc090_b"},{"id":25329302,"contest_id":"agc024","epoch_second":1629882840,"problem_id":"agc024_a"},{"id":25329383,"contest_id":"abc079","epoch_second":1629883162,"problem_id":"abc079_b"},{"id":25329523,"contest_id":"abc139","epoch_second":1629883676,"problem_id":"abc139_c"},{"id":25329559,"contest_id":"abc062","epoch_second":1629883843,"problem_id":"abc062_b"},{"id":25329610,"contest_id":"abc059","epoch_second":1629884047,"problem_id":"abc059_b"},{"id":25329685,"contest_id":"abc083","epoch_second":1629884408,"problem_id":"abc083_b"},{"id":25329704,"contest_id":"abc083","epoch_second":1629884486,"problem_id":"abc083_a"},{"id":25329790,"contest_id":"abc140","epoch_second":1629884832,"problem_id":"abc140_c"},{"id":25329817,"contest_id":"abc061","epoch_second":1629884955,"problem_id":"abc061_b"},{"id":25329912,"contest_id":"abc109","epoch_second":1629885329,"problem_id":"abc109_b"},{"id":25330031,"contest_id":"abc133","epoch_second":1629885805,"problem_id":"abc133_b"},{"id":25330298,"contest_id":"abc093","epoch_second":1629886938,"problem_id":"abc093_b"},{"id":25330366,"contest_id":"abc158","epoch_second":1629887266,"problem_id":"abc158_c"},{"id":25330454,"contest_id":"abc113","epoch_second":1629887639,"problem_id":"abc113_b"},{"id":25330602,"contest_id":"abc104","epoch_second":1629888351,"problem_id":"abc104_b"},{"id":25330645,"contest_id":"abc050","epoch_second":1629888571,"problem_id":"abc050_b"},{"id":25346857,"contest_id":"abc103","epoch_second":1629971215,"problem_id":"abc103_b"},{"id":25346882,"contest_id":"abc049","epoch_second":1629971341,"problem_id":"abc049_b"},{"id":25346948,"contest_id":"abc148","epoch_second":1629971592,"problem_id":"abc148_d"},{"id":25346995,"contest_id":"abc058","epoch_second":1629971751,"problem_id":"abc058_b"},{"id":25347052,"contest_id":"abc053","epoch_second":1629971942,"problem_id":"abc053_b"},{"id":25347235,"contest_id":"agc003","epoch_second":1629972602,"problem_id":"agc003_a"},{"id":25347329,"contest_id":"abc155","epoch_second":1629973047,"problem_id":"abc155_c"},{"id":25347428,"contest_id":"abc128","epoch_second":1629973522,"problem_id":"abc128_b"},{"id":25347781,"contest_id":"agc037","epoch_second":1629975060,"problem_id":"agc037_a"},{"id":25347891,"contest_id":"sumitrust2019","epoch_second":1629975575,"problem_id":"sumitb2019_c"},{"id":25349940,"contest_id":"abc042","epoch_second":1629982588,"problem_id":"abc042_b"},{"id":25350021,"contest_id":"abc097","epoch_second":1629982859,"problem_id":"abc097_b"},{"id":25350908,"contest_id":"agc021","epoch_second":1629985676,"problem_id":"agc021_a"},{"id":25351159,"contest_id":"abc095","epoch_second":1629986404,"problem_id":"arc096_a"},{"id":25351231,"contest_id":"abc115","epoch_second":1629986627,"problem_id":"abc115_c"},{"id":25360969,"contest_id":"abc151","epoch_second":1630049151,"problem_id":"abc151_c"},{"id":25361034,"contest_id":"agc012","epoch_second":1630049449,"problem_id":"agc012_a"},{"id":25361297,"contest_id":"abc136","epoch_second":1630050342,"problem_id":"abc136_c"},{"id":25361396,"contest_id":"agc041","epoch_second":1630050696,"problem_id":"agc041_a"},{"id":25361547,"contest_id":"abc144","epoch_second":1630051304,"problem_id":"abc144_c"},{"id":25361665,"contest_id":"abc100","epoch_second":1630051743,"problem_id":"abc100_c"},{"id":25361797,"contest_id":"agc019","epoch_second":1630052157,"problem_id":"agc019_a"},{"id":25361892,"contest_id":"abc087","epoch_second":1630052520,"problem_id":"arc090_a"},{"id":25362041,"contest_id":"abc135","epoch_second":1630053033,"problem_id":"abc135_c"},{"id":25362103,"contest_id":"abc100","epoch_second":1630053272,"problem_id":"abc100_b"},{"id":25362164,"contest_id":"abc106","epoch_second":1630053522,"problem_id":"abc106_c"},{"id":25362228,"contest_id":"abc103","epoch_second":1630053750,"problem_id":"abc103_c"},{"id":25362337,"contest_id":"abc091","epoch_second":1630054166,"problem_id":"abc091_b"},{"id":25362377,"contest_id":"arc088","epoch_second":1630054329,"problem_id":"arc088_a"},{"id":25362406,"contest_id":"abc055","epoch_second":1630054463,"problem_id":"abc055_b"},{"id":25362567,"contest_id":"abc145","epoch_second":1630055112,"problem_id":"abc145_c"},{"id":25362858,"contest_id":"abc120","epoch_second":1630056457,"problem_id":"abc120_c"},{"id":25363080,"contest_id":"ddcc2020-qual","epoch_second":1630057364,"problem_id":"ddcc2020_qual_b"},{"id":25363193,"contest_id":"abc079","epoch_second":1630057811,"problem_id":"abc079_c"},{"id":25363468,"contest_id":"abc093","epoch_second":1630059314,"problem_id":"arc094_a"},{"id":25366427,"contest_id":"code-festival-2017-qualc","epoch_second":1630072131,"problem_id":"code_festival_2017_qualc_b"},{"id":25366542,"contest_id":"abc121","epoch_second":1630072513,"problem_id":"abc121_c"},{"id":25366858,"contest_id":"agc004","epoch_second":1630073635,"problem_id":"agc004_a"},{"id":25366889,"contest_id":"abc046","epoch_second":1630073759,"problem_id":"abc046_b"},{"id":25366955,"contest_id":"code-festival-2016-quala","epoch_second":1630073987,"problem_id":"codefestival_2016_qualA_b"},{"id":25367146,"contest_id":"abc065","epoch_second":1630074674,"problem_id":"abc065_b"},{"id":25367324,"contest_id":"agc029","epoch_second":1630075362,"problem_id":"agc029_a"},{"id":25377735,"contest_id":"rcl-contest-2021","epoch_second":1630134268,"problem_id":"rcl_contest_2021_a"},{"id":25377892,"contest_id":"rcl-contest-2021","epoch_second":1630134573,"problem_id":"rcl_contest_2021_a"},{"id":25378107,"contest_id":"rcl-contest-2021","epoch_second":1630134919,"problem_id":"rcl_contest_2021_b"},{"id":25378265,"contest_id":"rcl-contest-2021","epoch_second":1630135222,"problem_id":"rcl_contest_2021_b"},{"id":25378561,"contest_id":"rcl-contest-2021","epoch_second":1630135769,"problem_id":"rcl_contest_2021_a"},{"id":25556549,"contest_id":"abc217","epoch_second":1630756869,"problem_id":"abc217_a"},{"id":25561882,"contest_id":"abc217","epoch_second":1630757023,"problem_id":"abc217_b"},{"id":25565021,"contest_id":"abc217","epoch_second":1630757129,"problem_id":"abc217_c"},{"id":25596505,"contest_id":"abc217","epoch_second":1630760737,"problem_id":"abc217_d"},{"id":25609699,"contest_id":"abc217","epoch_second":1630763288,"problem_id":"abc217_e"},{"id":25627387,"contest_id":"dp","epoch_second":1630822872,"problem_id":"dp_a"},{"id":25627489,"contest_id":"dp","epoch_second":1630823114,"problem_id":"dp_b"},{"id":25627799,"contest_id":"dp","epoch_second":1630823921,"problem_id":"dp_c"},{"id":25628461,"contest_id":"dp","epoch_second":1630825366,"problem_id":"dp_d"},{"id":25628851,"contest_id":"dp","epoch_second":1630826418,"problem_id":"dp_e"},{"id":25645378,"contest_id":"rcl-contest-2021-long","epoch_second":1630901256,"problem_id":"rcl_contest_2021_long_a"},{"id":25647395,"contest_id":"rcl-contest-2021-long","epoch_second":1630910959,"problem_id":"rcl_contest_2021_long_a"},{"id":25661567,"contest_id":"rcl-contest-2021-long","epoch_second":1630978607,"problem_id":"rcl_contest_2021_long_a"},{"id":25661981,"contest_id":"rcl-contest-2021-long","epoch_second":1630981093,"problem_id":"rcl_contest_2021_long_a"},{"id":25662386,"contest_id":"rcl-contest-2021-long","epoch_second":1630982957,"problem_id":"rcl_contest_2021_long_a"},{"id":25662859,"contest_id":"rcl-contest-2021-long","epoch_second":1630984799,"problem_id":"rcl_contest_2021_long_a"},{"id":25667468,"contest_id":"rcl-contest-2021-long","epoch_second":1631003090,"problem_id":"rcl_contest_2021_long_a"},{"id":25668126,"contest_id":"rcl-contest-2021-long","epoch_second":1631005567,"problem_id":"rcl_contest_2021_long_a"},{"id":25668892,"contest_id":"rcl-contest-2021-long","epoch_second":1631008654,"problem_id":"rcl_contest_2021_long_a"},{"id":25670517,"contest_id":"rcl-contest-2021-long","epoch_second":1631014656,"problem_id":"rcl_contest_2021_long_a"},{"id":25672579,"contest_id":"rcl-contest-2021-long","epoch_second":1631019787,"problem_id":"rcl_contest_2021_long_a"},{"id":25674352,"contest_id":"rcl-contest-2021-long","epoch_second":1631023691,"problem_id":"rcl_contest_2021_long_a"},{"id":25676808,"contest_id":"rcl-contest-2021-long","epoch_second":1631031356,"problem_id":"rcl_contest_2021_long_a"},{"id":25681792,"contest_id":"rcl-contest-2021-long","epoch_second":1631071285,"problem_id":"rcl_contest_2021_long_a"},{"id":25682066,"contest_id":"rcl-contest-2021-long","epoch_second":1631073097,"problem_id":"rcl_contest_2021_long_a"},{"id":25692018,"contest_id":"rcl-contest-2021-long","epoch_second":1631107580,"problem_id":"rcl_contest_2021_long_a"},{"id":25699601,"contest_id":"rcl-contest-2021-long","epoch_second":1631159507,"problem_id":"rcl_contest_2021_long_a"},{"id":25704615,"contest_id":"rcl-contest-2021-long","epoch_second":1631180465,"problem_id":"rcl_contest_2021_long_a"},{"id":25743585,"contest_id":"abc218","epoch_second":1631361680,"problem_id":"abc218_a"},{"id":25748113,"contest_id":"abc218","epoch_second":1631361778,"problem_id":"abc218_b"},{"id":25779244,"contest_id":"abc218","epoch_second":1631366528,"problem_id":"abc218_e"},{"id":25972160,"contest_id":"abc219","epoch_second":1632019308,"problem_id":"abc219_a"},{"id":25972194,"contest_id":"abc219","epoch_second":1632019401,"problem_id":"abc219_b"},{"id":25972227,"contest_id":"abc219","epoch_second":1632019490,"problem_id":"abc219_a"},{"id":25972260,"contest_id":"abc219","epoch_second":1632019579,"problem_id":"abc219_b"},{"id":25972361,"contest_id":"abc219","epoch_second":1632019915,"problem_id":"abc219_c"},{"id":25992003,"contest_id":"atc001","epoch_second":1632060958,"problem_id":"dfs_a"},{"id":25992170,"contest_id":"atc001","epoch_second":1632061064,"problem_id":"unionfind_a"},{"id":25992974,"contest_id":"atc001","epoch_second":1632061588,"problem_id":"fft_c"},{"id":25996088,"contest_id":"atc002","epoch_second":1632063537,"problem_id":"abc007_3"},{"id":25996583,"contest_id":"atc002","epoch_second":1632063794,"problem_id":"atc002_b"},{"id":26003705,"contest_id":"practice2","epoch_second":1632104230,"problem_id":"practice2_f"},{"id":26003816,"contest_id":"APG4b","epoch_second":1632104697,"problem_id":"APG4b_cl"},{"id":26003874,"contest_id":"APG4b","epoch_second":1632104893,"problem_id":"APG4b_ck"},{"id":26003936,"contest_id":"APG4b","epoch_second":1632105092,"problem_id":"APG4b_cj"},{"id":26003954,"contest_id":"APG4b","epoch_second":1632105151,"problem_id":"APG4b_ci"},{"id":26004002,"contest_id":"APG4b","epoch_second":1632105298,"problem_id":"APG4b_ch"},{"id":26004059,"contest_id":"APG4b","epoch_second":1632105516,"problem_id":"APG4b_cg"},{"id":26004091,"contest_id":"APG4b","epoch_second":1632105646,"problem_id":"APG4b_cf"},{"id":26004205,"contest_id":"APG4b","epoch_second":1632106126,"problem_id":"APG4b_ce"},{"id":26004314,"contest_id":"APG4b","epoch_second":1632106465,"problem_id":"APG4b_cd"},{"id":26004401,"contest_id":"APG4b","epoch_second":1632106785,"problem_id":"APG4b_cc"},{"id":26004419,"contest_id":"APG4b","epoch_second":1632106860,"problem_id":"APG4b_cb"},{"id":26004437,"contest_id":"APG4b","epoch_second":1632106959,"problem_id":"APG4b_ca"},{"id":26004600,"contest_id":"APG4b","epoch_second":1632107677,"problem_id":"APG4b_bz"},{"id":26004710,"contest_id":"APG4b","epoch_second":1632108153,"problem_id":"APG4b_by"},{"id":26006266,"contest_id":"APG4b","epoch_second":1632115296,"problem_id":"APG4b_bx"},{"id":26007217,"contest_id":"APG4b","epoch_second":1632118667,"problem_id":"APG4b_bw"},{"id":26007612,"contest_id":"abs","epoch_second":1632119755,"problem_id":"abc087_b"},{"id":26007734,"contest_id":"abs","epoch_second":1632120099,"problem_id":"abc083_b"},{"id":26007805,"contest_id":"abs","epoch_second":1632120290,"problem_id":"abc088_b"},{"id":26007864,"contest_id":"abs","epoch_second":1632120455,"problem_id":"abc085_b"},{"id":26007939,"contest_id":"abs","epoch_second":1632120699,"problem_id":"abc085_c"},{"id":26008341,"contest_id":"abs","epoch_second":1632121883,"problem_id":"arc065_a"},{"id":26008504,"contest_id":"abs","epoch_second":1632122343,"problem_id":"arc089_a"},{"id":26021634,"contest_id":"dp","epoch_second":1632187561,"problem_id":"dp_f"},{"id":26021862,"contest_id":"dp","epoch_second":1632189166,"problem_id":"dp_g"},{"id":26022169,"contest_id":"dp","epoch_second":1632191317,"problem_id":"dp_h"},{"id":26022466,"contest_id":"dp","epoch_second":1632192831,"problem_id":"dp_i"},{"id":26121689,"contest_id":"abc220","epoch_second":1632657718,"problem_id":"abc220_a"},{"id":26130196,"contest_id":"abc220","epoch_second":1632658127,"problem_id":"abc220_b"},{"id":26151099,"contest_id":"abc220","epoch_second":1632660131,"problem_id":"abc220_d"},{"id":26151588,"contest_id":"abc220","epoch_second":1632660207,"problem_id":"abc220_c"},{"id":26233687,"contest_id":"abc001","epoch_second":1632968632,"problem_id":"abc001_1"},{"id":26233691,"contest_id":"abc002","epoch_second":1632968669,"problem_id":"abc002_1"},{"id":26233716,"contest_id":"abc003","epoch_second":1632968802,"problem_id":"abc003_1"},{"id":26233721,"contest_id":"abc004","epoch_second":1632968825,"problem_id":"abc004_1"},{"id":26233727,"contest_id":"abc005","epoch_second":1632968857,"problem_id":"abc005_1"},{"id":26233732,"contest_id":"abc006","epoch_second":1632968886,"problem_id":"abc006_1"},{"id":26233734,"contest_id":"abc007","epoch_second":1632968906,"problem_id":"abc007_1"},{"id":26233747,"contest_id":"abc008","epoch_second":1632968966,"problem_id":"abc008_1"},{"id":26233754,"contest_id":"abc009","epoch_second":1632969000,"problem_id":"abc009_1"},{"id":26233760,"contest_id":"abc010","epoch_second":1632969030,"problem_id":"abc010_1"},{"id":26233786,"contest_id":"abc011","epoch_second":1632969188,"problem_id":"abc011_1"},{"id":26233797,"contest_id":"abc012","epoch_second":1632969243,"problem_id":"abc012_1"},{"id":26233803,"contest_id":"abc013","epoch_second":1632969276,"problem_id":"abc013_1"},{"id":26233810,"contest_id":"abc014","epoch_second":1632969363,"problem_id":"abc014_1"},{"id":26233826,"contest_id":"abc015","epoch_second":1632969453,"problem_id":"abc015_1"},{"id":26233831,"contest_id":"abc016","epoch_second":1632969488,"problem_id":"abc016_1"},{"id":26233853,"contest_id":"abc017","epoch_second":1632969594,"problem_id":"abc017_1"},{"id":26233899,"contest_id":"abc018","epoch_second":1632969864,"problem_id":"abc018_1"},{"id":26233921,"contest_id":"abc019","epoch_second":1632970021,"problem_id":"abc019_1"},{"id":26233926,"contest_id":"abc020","epoch_second":1632970065,"problem_id":"abc020_a"},{"id":26233947,"contest_id":"abc021","epoch_second":1632970250,"problem_id":"abc021_a"},{"id":26234049,"contest_id":"abc022","epoch_second":1632970789,"problem_id":"abc022_a"},{"id":26234065,"contest_id":"abc023","epoch_second":1632970874,"problem_id":"abc023_a"},{"id":26234102,"contest_id":"abc024","epoch_second":1632971102,"problem_id":"abc024_a"},{"id":26234190,"contest_id":"abc025","epoch_second":1632971507,"problem_id":"abc025_a"},{"id":26234198,"contest_id":"abc026","epoch_second":1632971551,"problem_id":"abc026_a"},{"id":26234298,"contest_id":"abc027","epoch_second":1632972068,"problem_id":"abc027_a"},{"id":26234307,"contest_id":"abc028","epoch_second":1632972147,"problem_id":"abc028_a"},{"id":26234321,"contest_id":"abc029","epoch_second":1632972203,"problem_id":"abc029_a"},{"id":26234333,"contest_id":"abc030","epoch_second":1632972299,"problem_id":"abc030_a"},{"id":26235765,"contest_id":"abc031","epoch_second":1632979607,"problem_id":"abc031_a"},{"id":26235799,"contest_id":"abc032","epoch_second":1632979818,"problem_id":"abc032_a"},{"id":26235831,"contest_id":"abc033","epoch_second":1632980000,"problem_id":"abc033_a"},{"id":26235840,"contest_id":"abc034","epoch_second":1632980064,"problem_id":"abc034_a"},{"id":26235847,"contest_id":"abc035","epoch_second":1632980110,"problem_id":"abc035_a"},{"id":26235861,"contest_id":"abc036","epoch_second":1632980214,"problem_id":"abc036_a"},{"id":26235905,"contest_id":"abc037","epoch_second":1632980486,"problem_id":"abc037_a"},{"id":26235915,"contest_id":"abc038","epoch_second":1632980551,"problem_id":"abc038_a"},{"id":26235926,"contest_id":"abc039","epoch_second":1632980599,"problem_id":"abc039_a"},{"id":26235948,"contest_id":"abc040","epoch_second":1632980662,"problem_id":"abc040_a"},{"id":26252560,"contest_id":"abc041","epoch_second":1633079175,"problem_id":"abc041_a"},{"id":26252592,"contest_id":"abc042","epoch_second":1633079327,"problem_id":"abc042_a"},{"id":26252599,"contest_id":"abc043","epoch_second":1633079375,"problem_id":"abc043_a"},{"id":26252622,"contest_id":"abc044","epoch_second":1633079478,"problem_id":"abc044_a"},{"id":26252640,"contest_id":"abc045","epoch_second":1633079552,"problem_id":"abc045_a"},{"id":26252664,"contest_id":"abc046","epoch_second":1633079662,"problem_id":"abc046_a"},{"id":26252688,"contest_id":"abc047","epoch_second":1633079753,"problem_id":"abc047_a"},{"id":26252715,"contest_id":"abc048","epoch_second":1633079898,"problem_id":"abc048_a"},{"id":26252756,"contest_id":"abc049","epoch_second":1633080090,"problem_id":"abc049_a"},{"id":26252801,"contest_id":"abc050","epoch_second":1633080267,"problem_id":"abc050_a"},{"id":26252815,"contest_id":"abc051","epoch_second":1633080358,"problem_id":"abc051_a"},{"id":26252831,"contest_id":"abc052","epoch_second":1633080418,"problem_id":"abc052_a"},{"id":26252848,"contest_id":"abc053","epoch_second":1633080504,"problem_id":"abc053_a"},{"id":26252887,"contest_id":"abc054","epoch_second":1633080650,"problem_id":"abc054_a"},{"id":26252897,"contest_id":"abc055","epoch_second":1633080705,"problem_id":"abc055_a"},{"id":26252923,"contest_id":"abc056","epoch_second":1633080824,"problem_id":"abc056_a"},{"id":26252955,"contest_id":"abc057","epoch_second":1633080944,"problem_id":"abc057_a"},{"id":26252975,"contest_id":"abc058","epoch_second":1633081043,"problem_id":"abc058_a"},{"id":26253007,"contest_id":"abc059","epoch_second":1633081239,"problem_id":"abc059_a"},{"id":26253028,"contest_id":"abc060","epoch_second":1633081335,"problem_id":"abc060_a"},{"id":26253071,"contest_id":"abc061","epoch_second":1633081481,"problem_id":"abc061_a"},{"id":26253106,"contest_id":"abc062","epoch_second":1633081686,"problem_id":"abc062_a"},{"id":26253133,"contest_id":"abc063","epoch_second":1633081829,"problem_id":"abc063_a"},{"id":26253161,"contest_id":"abc064","epoch_second":1633081943,"problem_id":"abc064_a"},{"id":26253203,"contest_id":"abc065","epoch_second":1633082149,"problem_id":"abc065_a"},{"id":26253213,"contest_id":"abc066","epoch_second":1633082198,"problem_id":"abc066_a"},{"id":26253239,"contest_id":"abc067","epoch_second":1633082301,"problem_id":"abc067_a"},{"id":26253258,"contest_id":"abc068","epoch_second":1633082415,"problem_id":"abc068_a"},{"id":26253275,"contest_id":"abc069","epoch_second":1633082496,"problem_id":"abc069_a"},{"id":26253301,"contest_id":"abc070","epoch_second":1633082631,"problem_id":"abc070_a"},{"id":26253454,"contest_id":"abc071","epoch_second":1633083522,"problem_id":"abc071_a"},{"id":26253482,"contest_id":"abc072","epoch_second":1633083640,"problem_id":"abc072_a"},{"id":26253494,"contest_id":"abc073","epoch_second":1633083696,"problem_id":"abc073_a"},{"id":26253518,"contest_id":"abc075","epoch_second":1633083800,"problem_id":"abc075_a"},{"id":26253543,"contest_id":"abc077","epoch_second":1633083891,"problem_id":"abc077_a"},{"id":26253578,"contest_id":"abc078","epoch_second":1633084038,"problem_id":"abc078_a"},{"id":26253594,"contest_id":"abc085","epoch_second":1633084121,"problem_id":"abc085_a"},{"id":26253622,"contest_id":"abc087","epoch_second":1633084225,"problem_id":"abc087_a"},{"id":26253678,"contest_id":"abc089","epoch_second":1633084495,"problem_id":"abc089_a"},{"id":26253687,"contest_id":"abc090","epoch_second":1633084577,"problem_id":"abc090_a"},{"id":26253743,"contest_id":"abc091","epoch_second":1633084927,"problem_id":"abc091_a"},{"id":26253761,"contest_id":"abc092","epoch_second":1633085037,"problem_id":"abc092_a"},{"id":26255234,"contest_id":"abc093","epoch_second":1633090928,"problem_id":"abc093_a"},{"id":26255256,"contest_id":"abc094","epoch_second":1633091020,"problem_id":"abc094_a"},{"id":26255285,"contest_id":"abc095","epoch_second":1633091108,"problem_id":"abc095_a"},{"id":26255378,"contest_id":"abc096","epoch_second":1633091384,"problem_id":"abc096_a"},{"id":26255425,"contest_id":"abc097","epoch_second":1633091515,"problem_id":"abc097_a"},{"id":26255447,"contest_id":"abc098","epoch_second":1633091567,"problem_id":"abc098_a"},{"id":26255505,"contest_id":"abc099","epoch_second":1633091697,"problem_id":"abc099_a"},{"id":26255538,"contest_id":"abc100","epoch_second":1633091824,"problem_id":"abc100_a"},{"id":26255936,"contest_id":"abc101","epoch_second":1633092927,"problem_id":"abc101_a"},{"id":26256004,"contest_id":"abc102","epoch_second":1633093129,"problem_id":"abc102_a"},{"id":26256081,"contest_id":"abc103","epoch_second":1633093365,"problem_id":"abc103_a"},{"id":26256100,"contest_id":"abc104","epoch_second":1633093448,"problem_id":"abc104_a"},{"id":26256123,"contest_id":"abc105","epoch_second":1633093551,"problem_id":"abc105_a"},{"id":26256143,"contest_id":"abc106","epoch_second":1633093618,"problem_id":"abc106_a"},{"id":26256189,"contest_id":"abc107","epoch_second":1633093790,"problem_id":"abc107_a"},{"id":26256228,"contest_id":"abc108","epoch_second":1633093944,"problem_id":"abc108_a"},{"id":26256273,"contest_id":"abc109","epoch_second":1633094101,"problem_id":"abc109_a"},{"id":26256338,"contest_id":"abc110","epoch_second":1633094332,"problem_id":"abc110_a"},{"id":26256459,"contest_id":"abc111","epoch_second":1633094769,"problem_id":"abc111_a"},{"id":26256484,"contest_id":"abc112","epoch_second":1633094860,"problem_id":"abc112_a"},{"id":26256520,"contest_id":"abc113","epoch_second":1633094967,"problem_id":"abc113_a"},{"id":26256572,"contest_id":"abc114","epoch_second":1633095124,"problem_id":"abc114_a"},{"id":26256658,"contest_id":"abc115","epoch_second":1633095473,"problem_id":"abc115_a"},{"id":26256679,"contest_id":"abc115","epoch_second":1633095545,"problem_id":"abc115_a"},{"id":26256705,"contest_id":"abc116","epoch_second":1633095634,"problem_id":"abc116_a"},{"id":26256735,"contest_id":"abc117","epoch_second":1633095738,"problem_id":"abc117_a"},{"id":26256758,"contest_id":"abc118","epoch_second":1633095813,"problem_id":"abc118_a"},{"id":26256806,"contest_id":"abc119","epoch_second":1633095954,"problem_id":"abc119_a"},{"id":26256842,"contest_id":"abc120","epoch_second":1633096068,"problem_id":"abc120_a"},{"id":26256904,"contest_id":"abc121","epoch_second":1633096245,"problem_id":"abc121_a"},{"id":26256952,"contest_id":"abc121","epoch_second":1633096371,"problem_id":"abc121_a"},{"id":26256995,"contest_id":"abc122","epoch_second":1633096519,"problem_id":"abc122_a"},{"id":26257060,"contest_id":"abc123","epoch_second":1633096763,"problem_id":"abc123_a"},{"id":26257110,"contest_id":"abc124","epoch_second":1633096956,"problem_id":"abc124_a"},{"id":26257156,"contest_id":"abc125","epoch_second":1633097151,"problem_id":"abc125_a"},{"id":26257173,"contest_id":"abc126","epoch_second":1633097279,"problem_id":"abc126_a"},{"id":26257202,"contest_id":"abc127","epoch_second":1633097436,"problem_id":"abc127_a"},{"id":26257248,"contest_id":"abc128","epoch_second":1633097614,"problem_id":"abc128_a"},{"id":26257258,"contest_id":"abc129","epoch_second":1633097683,"problem_id":"abc129_a"},{"id":26257283,"contest_id":"abc130","epoch_second":1633097765,"problem_id":"abc130_a"},{"id":26257348,"contest_id":"abc131","epoch_second":1633098030,"problem_id":"abc131_a"},{"id":26257414,"contest_id":"abc132","epoch_second":1633098265,"problem_id":"abc132_a"},{"id":26257457,"contest_id":"abc133","epoch_second":1633098431,"problem_id":"abc133_a"},{"id":26257474,"contest_id":"abc134","epoch_second":1633098500,"problem_id":"abc134_a"},{"id":26257784,"contest_id":"abc135","epoch_second":1633099625,"problem_id":"abc135_a"},{"id":26257832,"contest_id":"abc136","epoch_second":1633099809,"problem_id":"abc136_a"},{"id":26257864,"contest_id":"abc137","epoch_second":1633099899,"problem_id":"abc137_a"},{"id":26257921,"contest_id":"abc138","epoch_second":1633100077,"problem_id":"abc138_a"},{"id":26257955,"contest_id":"abc139","epoch_second":1633100183,"problem_id":"abc139_a"},{"id":26257970,"contest_id":"abc140","epoch_second":1633100239,"problem_id":"abc140_a"},{"id":26261128,"contest_id":"abc141","epoch_second":1633131648,"problem_id":"abc141_a"},{"id":26261167,"contest_id":"abc142","epoch_second":1633132107,"problem_id":"abc142_a"},{"id":26261177,"contest_id":"abc143","epoch_second":1633132229,"problem_id":"abc143_a"},{"id":26261183,"contest_id":"abc144","epoch_second":1633132315,"problem_id":"abc144_a"},{"id":26261185,"contest_id":"abc145","epoch_second":1633132370,"problem_id":"abc145_a"},{"id":26261190,"contest_id":"abc146","epoch_second":1633132519,"problem_id":"abc146_a"},{"id":26261202,"contest_id":"abc147","epoch_second":1633132606,"problem_id":"abc147_a"},{"id":26261223,"contest_id":"abc148","epoch_second":1633132986,"problem_id":"abc148_a"},{"id":26261326,"contest_id":"abc148","epoch_second":1633134053,"problem_id":"abc148_a"},{"id":26261343,"contest_id":"abc149","epoch_second":1633134235,"problem_id":"abc149_a"},{"id":26261357,"contest_id":"abc150","epoch_second":1633134326,"problem_id":"abc150_a"},{"id":26261367,"contest_id":"abc151","epoch_second":1633134401,"problem_id":"abc151_a"},{"id":26261379,"contest_id":"abc151","epoch_second":1633134504,"problem_id":"abc151_a"},{"id":26261391,"contest_id":"abc152","epoch_second":1633134575,"problem_id":"abc152_a"},{"id":26261411,"contest_id":"abc153","epoch_second":1633134685,"problem_id":"abc153_a"},{"id":26261432,"contest_id":"abc154","epoch_second":1633134825,"problem_id":"abc154_a"},{"id":26261463,"contest_id":"abc155","epoch_second":1633135043,"problem_id":"abc155_a"},{"id":26261484,"contest_id":"abc156","epoch_second":1633135298,"problem_id":"abc156_a"},{"id":26261497,"contest_id":"abc157","epoch_second":1633135377,"problem_id":"abc157_a"},{"id":26261521,"contest_id":"abc158","epoch_second":1633135594,"problem_id":"abc158_a"},{"id":26261577,"contest_id":"abc159","epoch_second":1633135933,"problem_id":"abc159_a"},{"id":26261592,"contest_id":"abc160","epoch_second":1633136011,"problem_id":"abc160_a"},{"id":26261606,"contest_id":"abc161","epoch_second":1633136161,"problem_id":"abc161_a"},{"id":26261628,"contest_id":"abc162","epoch_second":1633136312,"problem_id":"abc162_a"},{"id":26261685,"contest_id":"abc163","epoch_second":1633136586,"problem_id":"abc163_a"},{"id":26261721,"contest_id":"abc164","epoch_second":1633136762,"problem_id":"abc164_a"},{"id":26261756,"contest_id":"abc165","epoch_second":1633136954,"problem_id":"abc165_a"},{"id":26261812,"contest_id":"abc166","epoch_second":1633137199,"problem_id":"abc166_a"},{"id":26261865,"contest_id":"abc167","epoch_second":1633137585,"problem_id":"abc167_a"},{"id":26261889,"contest_id":"abc168","epoch_second":1633137725,"problem_id":"abc168_a"},{"id":26261900,"contest_id":"abc169","epoch_second":1633137805,"problem_id":"abc169_a"},{"id":26261963,"contest_id":"abc170","epoch_second":1633138170,"problem_id":"abc170_a"},{"id":26264237,"contest_id":"abc171","epoch_second":1633150455,"problem_id":"abc171_a"},{"id":26264254,"contest_id":"abc172","epoch_second":1633150576,"problem_id":"abc172_a"},{"id":26264274,"contest_id":"abc173","epoch_second":1633150661,"problem_id":"abc173_a"},{"id":26264285,"contest_id":"abc174","epoch_second":1633150748,"problem_id":"abc174_a"},{"id":26264329,"contest_id":"abc175","epoch_second":1633150934,"problem_id":"abc175_a"},{"id":26265277,"contest_id":"abc176","epoch_second":1633154921,"problem_id":"abc176_a"},{"id":26265310,"contest_id":"abc177","epoch_second":1633155036,"problem_id":"abc177_a"},{"id":26265404,"contest_id":"abc179","epoch_second":1633155400,"problem_id":"abc179_a"},{"id":26265431,"contest_id":"abc180","epoch_second":1633155516,"problem_id":"abc180_a"},{"id":26265498,"contest_id":"abc181","epoch_second":1633155742,"problem_id":"abc181_a"},{"id":26265676,"contest_id":"abc182","epoch_second":1633156400,"problem_id":"abc182_a"},{"id":26265694,"contest_id":"abc183","epoch_second":1633156456,"problem_id":"abc183_a"},{"id":26265742,"contest_id":"abc184","epoch_second":1633156606,"problem_id":"abc184_a"},{"id":26265765,"contest_id":"abc185","epoch_second":1633156687,"problem_id":"abc185_a"},{"id":26265796,"contest_id":"abc186","epoch_second":1633156813,"problem_id":"abc186_a"},{"id":26265875,"contest_id":"abc187","epoch_second":1633157070,"problem_id":"abc187_a"},{"id":26265897,"contest_id":"abc188","epoch_second":1633157166,"problem_id":"abc188_a"},{"id":26265922,"contest_id":"abc189","epoch_second":1633157260,"problem_id":"abc189_a"},{"id":26265954,"contest_id":"abc213","epoch_second":1633157356,"problem_id":"abc213_a"},{"id":26266045,"contest_id":"abc216","epoch_second":1633157689,"problem_id":"abc216_a"},{"id":26266801,"contest_id":"abc001","epoch_second":1633160157,"problem_id":"abc001_2"},{"id":26268280,"contest_id":"abc002","epoch_second":1633165065,"problem_id":"abc002_2"},{"id":26268484,"contest_id":"abc010","epoch_second":1633165766,"problem_id":"abc010_2"},{"id":26268577,"contest_id":"abc003","epoch_second":1633166072,"problem_id":"abc003_2"},{"id":26268670,"contest_id":"abc004","epoch_second":1633166408,"problem_id":"abc004_2"},{"id":26268819,"contest_id":"abc004","epoch_second":1633166960,"problem_id":"abc004_2"},{"id":26268901,"contest_id":"abc005","epoch_second":1633167189,"problem_id":"abc005_2"},{"id":26268938,"contest_id":"abc006","epoch_second":1633167334,"problem_id":"abc006_2"},{"id":26269000,"contest_id":"abc007","epoch_second":1633167487,"problem_id":"abc007_2"},{"id":26269077,"contest_id":"abc008","epoch_second":1633167803,"problem_id":"abc008_2"},{"id":26269187,"contest_id":"abc009","epoch_second":1633168140,"problem_id":"abc009_2"},{"id":26269233,"contest_id":"abc216","epoch_second":1633168299,"problem_id":"abc216_b"},{"id":26269301,"contest_id":"abc194","epoch_second":1633168528,"problem_id":"abc194_b"},{"id":26275506,"contest_id":"abc221","epoch_second":1633176161,"problem_id":"abc221_a"},{"id":26279289,"contest_id":"abc221","epoch_second":1633176305,"problem_id":"abc221_b"},{"id":26291980,"contest_id":"abc221","epoch_second":1633177168,"problem_id":"abc221_c"},{"id":26307022,"contest_id":"abc221","epoch_second":1633179599,"problem_id":"abc221_d"},{"id":26327185,"contest_id":"abc011","epoch_second":1633223009,"problem_id":"abc011_2"},{"id":26327211,"contest_id":"abc012","epoch_second":1633223108,"problem_id":"abc012_2"},{"id":26327313,"contest_id":"abc013","epoch_second":1633223600,"problem_id":"abc013_2"},{"id":26327374,"contest_id":"abc014","epoch_second":1633223807,"problem_id":"abc014_2"},{"id":26327458,"contest_id":"abc015","epoch_second":1633224100,"problem_id":"abc015_2"},{"id":26327503,"contest_id":"abc016","epoch_second":1633224301,"problem_id":"abc016_2"},{"id":26327809,"contest_id":"abc017","epoch_second":1633225501,"problem_id":"abc017_2"},{"id":26327911,"contest_id":"abc018","epoch_second":1633225873,"problem_id":"abc018_2"},{"id":26328052,"contest_id":"abc019","epoch_second":1633226308,"problem_id":"abc019_2"},{"id":26328888,"contest_id":"abc020","epoch_second":1633228627,"problem_id":"abc020_b"},{"id":26329073,"contest_id":"abc021","epoch_second":1633229078,"problem_id":"abc021_b"},{"id":26329151,"contest_id":"abc022","epoch_second":1633229317,"problem_id":"abc022_b"},{"id":26329383,"contest_id":"abc023","epoch_second":1633230076,"problem_id":"abc023_b"},{"id":26329543,"contest_id":"abc024","epoch_second":1633230587,"problem_id":"abc024_b"},{"id":26329644,"contest_id":"abc025","epoch_second":1633230947,"problem_id":"abc025_b"},{"id":26329733,"contest_id":"abc026","epoch_second":1633231279,"problem_id":"abc026_b"},{"id":26329897,"contest_id":"abc027","epoch_second":1633231992,"problem_id":"abc027_b"},{"id":26329970,"contest_id":"abc028","epoch_second":1633232361,"problem_id":"abc028_b"},{"id":26330002,"contest_id":"abc029","epoch_second":1633232520,"problem_id":"abc029_b"},{"id":26330436,"contest_id":"abc030","epoch_second":1633234306,"problem_id":"abc030_b"},{"id":26331647,"contest_id":"abc031","epoch_second":1633239119,"problem_id":"abc031_b"},{"id":26331737,"contest_id":"abc032","epoch_second":1633239454,"problem_id":"abc032_b"},{"id":26331879,"contest_id":"abc033","epoch_second":1633239867,"problem_id":"abc033_b"},{"id":26331919,"contest_id":"abc034","epoch_second":1633240026,"problem_id":"abc034_b"},{"id":26332129,"contest_id":"abc035","epoch_second":1633240762,"problem_id":"abc035_b"},{"id":26332273,"contest_id":"abc036","epoch_second":1633241316,"problem_id":"abc036_b"},{"id":26332325,"contest_id":"abc037","epoch_second":1633241501,"problem_id":"abc037_b"},{"id":26332367,"contest_id":"abc038","epoch_second":1633241643,"problem_id":"abc038_b"},{"id":26332478,"contest_id":"abc039","epoch_second":1633241968,"problem_id":"abc039_b"},{"id":26332822,"contest_id":"abc040","epoch_second":1633243049,"problem_id":"abc040_b"},{"id":26332873,"contest_id":"abc041","epoch_second":1633243232,"problem_id":"abc041_b"},{"id":26332967,"contest_id":"abc043","epoch_second":1633243601,"problem_id":"abc043_b"},{"id":26333183,"contest_id":"abc045","epoch_second":1633244127,"problem_id":"abc045_b"},{"id":26333392,"contest_id":"abc047","epoch_second":1633244760,"problem_id":"abc047_b"},{"id":26333501,"contest_id":"abc048","epoch_second":1633245079,"problem_id":"abc048_b"},{"id":26333595,"contest_id":"abc051","epoch_second":1633245339,"problem_id":"abc051_b"},{"id":26333766,"contest_id":"abc054","epoch_second":1633245828,"problem_id":"abc054_b"},{"id":26333878,"contest_id":"abc056","epoch_second":1633246092,"problem_id":"abc056_b"},{"id":26343614,"contest_id":"abc057","epoch_second":1633276408,"problem_id":"abc057_b"},{"id":26343673,"contest_id":"abc060","epoch_second":1633276726,"problem_id":"abc060_b"},{"id":26343706,"contest_id":"abc064","epoch_second":1633276900,"problem_id":"abc064_b"},{"id":26357018,"contest_id":"abc066","epoch_second":1633356276,"problem_id":"abc066_b"},{"id":26357087,"contest_id":"abc067","epoch_second":1633356521,"problem_id":"abc067_b"},{"id":26357099,"contest_id":"abc069","epoch_second":1633356585,"problem_id":"abc069_b"},{"id":26357146,"contest_id":"abc070","epoch_second":1633356716,"problem_id":"abc070_b"},{"id":26370556,"contest_id":"abc072","epoch_second":1633438996,"problem_id":"abc072_b"},{"id":26370702,"contest_id":"abc073","epoch_second":1633439504,"problem_id":"abc073_b"},{"id":26370877,"contest_id":"abc075","epoch_second":1633439968,"problem_id":"abc075_b"},{"id":26370912,"contest_id":"abc076","epoch_second":1633440061,"problem_id":"abc076_b"},{"id":26371020,"contest_id":"abc077","epoch_second":1633440400,"problem_id":"abc077_b"},{"id":26371104,"contest_id":"abc078","epoch_second":1633440625,"problem_id":"abc078_b"},{"id":26371172,"contest_id":"abc080","epoch_second":1633440800,"problem_id":"abc080_b"},{"id":26371262,"contest_id":"abc082","epoch_second":1633440999,"problem_id":"abc082_b"},{"id":26371394,"contest_id":"abc089","epoch_second":1633441379,"problem_id":"abc089_b"},{"id":26371498,"contest_id":"abc095","epoch_second":1633441606,"problem_id":"abc095_b"},{"id":26371571,"contest_id":"abc096","epoch_second":1633441804,"problem_id":"abc096_b"},{"id":26371736,"contest_id":"abc098","epoch_second":1633442275,"problem_id":"abc098_b"},{"id":26371851,"contest_id":"abc099","epoch_second":1633442612,"problem_id":"abc099_b"},{"id":26371899,"contest_id":"abc101","epoch_second":1633442800,"problem_id":"abc101_b"},{"id":26371940,"contest_id":"abc102","epoch_second":1633442957,"problem_id":"abc102_b"},{"id":26372173,"contest_id":"abc013","epoch_second":1633443696,"problem_id":"abc013_1"},{"id":26372206,"contest_id":"stage0-2021","epoch_second":1633443839,"problem_id":"stage0_2021_a"},{"id":26386953,"contest_id":"abc197","epoch_second":1633525801,"problem_id":"abc197_a"},{"id":26386995,"contest_id":"abc105","epoch_second":1633525948,"problem_id":"abc105_b"},{"id":26387160,"contest_id":"abc106","epoch_second":1633526456,"problem_id":"abc106_b"},{"id":26387420,"contest_id":"abc107","epoch_second":1633527272,"problem_id":"abc107_b"},{"id":26387560,"contest_id":"abc110","epoch_second":1633527643,"problem_id":"abc110_b"},{"id":26387617,"contest_id":"abc111","epoch_second":1633527805,"problem_id":"abc111_b"},{"id":26387684,"contest_id":"abc112","epoch_second":1633527996,"problem_id":"abc112_b"},{"id":26387755,"contest_id":"abc115","epoch_second":1633528196,"problem_id":"abc115_b"},{"id":26387825,"contest_id":"abc117","epoch_second":1633528367,"problem_id":"abc117_b"},{"id":26387899,"contest_id":"abc119","epoch_second":1633528564,"problem_id":"abc119_b"},{"id":26387982,"contest_id":"abc120","epoch_second":1633528795,"problem_id":"abc120_b"},{"id":26388272,"contest_id":"abl","epoch_second":1633529712,"problem_id":"abl_a"},{"id":26403649,"contest_id":"abc124","epoch_second":1633616755,"problem_id":"abc124_b"},{"id":26403909,"contest_id":"abc010","epoch_second":1633617661,"problem_id":"abc010_1"},{"id":26419457,"contest_id":"abc125","epoch_second":1633705619,"problem_id":"abc125_b"},{"id":26419520,"contest_id":"abc126","epoch_second":1633705863,"problem_id":"abc126_b"},{"id":26419553,"contest_id":"abc127","epoch_second":1633706032,"problem_id":"abc127_b"},{"id":26419672,"contest_id":"abc129","epoch_second":1633706702,"problem_id":"abc129_b"},{"id":26419705,"contest_id":"abc130","epoch_second":1633706889,"problem_id":"abc130_b"},{"id":26467023,"contest_id":"abc222","epoch_second":1633787294,"problem_id":"abc222_a"},{"id":26467154,"contest_id":"abc222","epoch_second":1633787381,"problem_id":"abc222_b"},{"id":26468138,"contest_id":"abc222","epoch_second":1633788222,"problem_id":"abc222_c"},{"id":26494492,"contest_id":"abc222","epoch_second":1633872452,"problem_id":"abc222_d"},{"id":26623840,"contest_id":"abc223","epoch_second":1634472117,"problem_id":"abc223_a"},{"id":26627933,"contest_id":"abc223","epoch_second":1634472299,"problem_id":"abc223_b"},{"id":26637869,"contest_id":"abc223","epoch_second":1634473842,"problem_id":"abc223_c"},{"id":26653863,"contest_id":"abc223","epoch_second":1634478325,"problem_id":"abc223_d"},{"id":26663898,"contest_id":"abc131","epoch_second":1634524951,"problem_id":"abc131_b"},{"id":26663934,"contest_id":"abc132","epoch_second":1634525201,"problem_id":"abc132_b"},{"id":26664088,"contest_id":"abc134","epoch_second":1634526123,"problem_id":"abc134_b"},{"id":26664571,"contest_id":"abc135","epoch_second":1634529029,"problem_id":"abc135_b"},{"id":26664617,"contest_id":"abc136","epoch_second":1634529360,"problem_id":"abc136_b"},{"id":26664658,"contest_id":"abc137","epoch_second":1634529638,"problem_id":"abc137_b"},{"id":26664717,"contest_id":"abc138","epoch_second":1634530040,"problem_id":"abc138_b"},{"id":26664844,"contest_id":"abc140","epoch_second":1634530812,"problem_id":"abc140_b"},{"id":26689910,"contest_id":"abc141","epoch_second":1634651627,"problem_id":"abc141_b"},{"id":26690172,"contest_id":"abc142","epoch_second":1634652267,"problem_id":"abc142_b"},{"id":26690216,"contest_id":"abc143","epoch_second":1634652389,"problem_id":"abc143_b"},{"id":26690254,"contest_id":"abc144","epoch_second":1634652504,"problem_id":"abc144_b"},{"id":26690337,"contest_id":"abc145","epoch_second":1634652725,"problem_id":"abc145_b"},{"id":26690490,"contest_id":"abc146","epoch_second":1634653149,"problem_id":"abc146_b"},{"id":26690552,"contest_id":"abc147","epoch_second":1634653307,"problem_id":"abc147_b"},{"id":26690587,"contest_id":"abc148","epoch_second":1634653434,"problem_id":"abc148_b"},{"id":26690670,"contest_id":"abc149","epoch_second":1634653702,"problem_id":"abc149_b"},{"id":26690708,"contest_id":"abc150","epoch_second":1634653825,"problem_id":"abc150_b"},{"id":26698149,"contest_id":"abc151","epoch_second":1634709371,"problem_id":"abc151_b"},{"id":26698171,"contest_id":"abc152","epoch_second":1634709498,"problem_id":"abc152_b"},{"id":26698229,"contest_id":"abc153","epoch_second":1634709770,"problem_id":"abc153_b"},{"id":26698265,"contest_id":"abc154","epoch_second":1634709930,"problem_id":"abc154_b"},{"id":26698382,"contest_id":"abc155","epoch_second":1634710435,"problem_id":"abc155_b"},{"id":26698428,"contest_id":"abc156","epoch_second":1634710617,"problem_id":"abc156_b"},{"id":26698581,"contest_id":"abc159","epoch_second":1634711133,"problem_id":"abc159_b"},{"id":26698625,"contest_id":"abc160","epoch_second":1634711321,"problem_id":"abc160_b"},{"id":26707526,"contest_id":"abc161","epoch_second":1634742129,"problem_id":"abc161_b"},{"id":26707617,"contest_id":"abc162","epoch_second":1634742467,"problem_id":"abc162_b"},{"id":26707663,"contest_id":"abc163","epoch_second":1634742651,"problem_id":"abc163_b"},{"id":26707740,"contest_id":"abc164","epoch_second":1634742970,"problem_id":"abc164_b"},{"id":26707828,"contest_id":"abc165","epoch_second":1634743393,"problem_id":"abc165_b"},{"id":26716205,"contest_id":"abc166","epoch_second":1634807603,"problem_id":"abc166_b"},{"id":26716498,"contest_id":"abc167","epoch_second":1634809026,"problem_id":"abc167_b"},{"id":26716562,"contest_id":"abc168","epoch_second":1634809442,"problem_id":"abc168_b"},{"id":26716748,"contest_id":"abc169","epoch_second":1634810385,"problem_id":"abc169_b"},{"id":26716774,"contest_id":"abc170","epoch_second":1634810540,"problem_id":"abc170_b"},{"id":26722086,"contest_id":"abc171","epoch_second":1634829974,"problem_id":"abc171_b"},{"id":26735909,"contest_id":"abc172","epoch_second":1634914428,"problem_id":"abc172_b"},{"id":26741335,"contest_id":"abc173","epoch_second":1634955854,"problem_id":"abc173_b"},{"id":26741473,"contest_id":"abc174","epoch_second":1634956454,"problem_id":"abc174_b"},{"id":26741564,"contest_id":"abc175","epoch_second":1634956831,"problem_id":"abc175_b"},{"id":26741622,"contest_id":"abc176","epoch_second":1634956994,"problem_id":"abc176_b"},{"id":26742059,"contest_id":"abc177","epoch_second":1634958633,"problem_id":"abc177_b"},{"id":26754239,"contest_id":"abc224","epoch_second":1634990497,"problem_id":"abc224_a"},{"id":26758151,"contest_id":"abc224","epoch_second":1634990707,"problem_id":"abc224_b"},{"id":26767772,"contest_id":"abc224","epoch_second":1634992108,"problem_id":"abc224_c"},{"id":26784982,"contest_id":"abc179","epoch_second":1635001245,"problem_id":"abc179_b"},{"id":26785101,"contest_id":"abc180","epoch_second":1635001561,"problem_id":"abc180_b"},{"id":26807828,"contest_id":"abc181","epoch_second":1635125871,"problem_id":"abc181_b"},{"id":26808102,"contest_id":"abc182","epoch_second":1635127766,"problem_id":"abc182_b"},{"id":26808168,"contest_id":"abc183","epoch_second":1635128166,"problem_id":"abc183_b"},{"id":26808196,"contest_id":"abc184","epoch_second":1635128311,"problem_id":"abc184_b"},{"id":26826918,"contest_id":"abc185","epoch_second":1635236093,"problem_id":"abc185_b"},{"id":26826971,"contest_id":"abc186","epoch_second":1635236303,"problem_id":"abc186_b"},{"id":26827054,"contest_id":"abc187","epoch_second":1635236656,"problem_id":"abc187_b"},{"id":26827084,"contest_id":"abc188","epoch_second":1635236817,"problem_id":"abc188_b"},{"id":26827190,"contest_id":"abc189","epoch_second":1635237256,"problem_id":"abc189_b"},{"id":26827462,"contest_id":"agc010","epoch_second":1635238559,"problem_id":"agc010_a"},{"id":26827488,"contest_id":"m-solutions2020","epoch_second":1635238685,"problem_id":"m_solutions2020_a"},{"id":26827548,"contest_id":"aising2020","epoch_second":1635238900,"problem_id":"aising2020_a"},{"id":26827567,"contest_id":"arc104","epoch_second":1635239016,"problem_id":"arc104_a"},{"id":26827602,"contest_id":"hhkb2020","epoch_second":1635239178,"problem_id":"hhkb2020_a"},{"id":26846511,"contest_id":"tokiomarine2020","epoch_second":1635342941,"problem_id":"tokiomarine2020_a"},{"id":26846517,"contest_id":"tokiomarine2020","epoch_second":1635342961,"problem_id":"tokiomarine2020_a"},{"id":26846539,"contest_id":"panasonic2020","epoch_second":1635343042,"problem_id":"panasonic2020_a"},{"id":26860677,"contest_id":"keyence2020","epoch_second":1635430368,"problem_id":"keyence2020_a"},{"id":26860686,"contest_id":"m-solutions2019","epoch_second":1635430422,"problem_id":"m_solutions2019_a"},{"id":26860692,"contest_id":"m-solutions2019","epoch_second":1635430444,"problem_id":"m_solutions2019_a"},{"id":26860729,"contest_id":"exawizards2019","epoch_second":1635430563,"problem_id":"exawizards2019_a"},{"id":26860750,"contest_id":"sumitrust2019","epoch_second":1635430638,"problem_id":"sumitb2019_a"},{"id":26860885,"contest_id":"aising2020","epoch_second":1635431159,"problem_id":"aising2020_b"},{"id":26874931,"contest_id":"tenka1-2019-beginner","epoch_second":1635518501,"problem_id":"tenka1_2019_a"},{"id":26874990,"contest_id":"dwacon6th-prelims","epoch_second":1635518770,"problem_id":"dwacon6th_prelims_a"},{"id":26875009,"contest_id":"caddi2018b","epoch_second":1635518860,"problem_id":"caddi2018b_a"},{"id":26875086,"contest_id":"nomura2020","epoch_second":1635519174,"problem_id":"nomura2020_a"},{"id":26875162,"contest_id":"ddcc2020-qual","epoch_second":1635519478,"problem_id":"ddcc2020_qual_a"},{"id":26875197,"contest_id":"nikkei2019-2-qual","epoch_second":1635519646,"problem_id":"nikkei2019_2_qual_a"},{"id":26875205,"contest_id":"nikkei2019-2-qual","epoch_second":1635519692,"problem_id":"nikkei2019_2_qual_a"},{"id":26875224,"contest_id":"diverta2019-2","epoch_second":1635519771,"problem_id":"diverta2019_2_a"},{"id":26875296,"contest_id":"agc025","epoch_second":1635520149,"problem_id":"agc025_a"},{"id":26875362,"contest_id":"arc105","epoch_second":1635520555,"problem_id":"arc105_a"},{"id":26875377,"contest_id":"keyence2019","epoch_second":1635520691,"problem_id":"keyence2019_a"},{"id":26875398,"contest_id":"tenka1-2018-beginner","epoch_second":1635520768,"problem_id":"tenka1_2018_a"},{"id":26957042,"contest_id":"abc225","epoch_second":1635683335,"problem_id":"abc225_a"},{"id":26957106,"contest_id":"diverta2019","epoch_second":1635683406,"problem_id":"diverta2019_a"},{"id":26957317,"contest_id":"diverta2019","epoch_second":1635683640,"problem_id":"diverta2019_a"},{"id":26957410,"contest_id":"exawizards2019","epoch_second":1635683761,"problem_id":"exawizards2019_b"},{"id":26957606,"contest_id":"soundhound2018-summer-qual","epoch_second":1635683966,"problem_id":"soundhound2018_summer_qual_a"},{"id":26957664,"contest_id":"tenka1-2017-beginner","epoch_second":1635684061,"problem_id":"tenka1_2017_a"},{"id":26957852,"contest_id":"hitachi2020","epoch_second":1635684274,"problem_id":"hitachi2020_a"},{"id":26957958,"contest_id":"tenka1-2019-beginner","epoch_second":1635684393,"problem_id":"tenka1_2019_b"},{"id":26958120,"contest_id":"jsc2019-qual","epoch_second":1635684595,"problem_id":"jsc2019_qual_a"},{"id":26958258,"contest_id":"m-solutions2019","epoch_second":1635684757,"problem_id":"m_solutions2019_b"},{"id":26958429,"contest_id":"nikkei2019-qual","epoch_second":1635684960,"problem_id":"nikkei2019_qual_a"},{"id":26958559,"contest_id":"aising2019","epoch_second":1635685117,"problem_id":"aising2019_a"},{"id":26959274,"contest_id":"caddi2018b","epoch_second":1635685990,"problem_id":"caddi2018b_b"},{"id":26959372,"contest_id":"abl","epoch_second":1635686128,"problem_id":"abl_b"},{"id":26959423,"contest_id":"indeednow-quala","epoch_second":1635686195,"problem_id":"indeednow_2015_quala_1"},{"id":26959514,"contest_id":"arc026","epoch_second":1635686330,"problem_id":"arc026_1"},{"id":26959810,"contest_id":"arc117","epoch_second":1635686715,"problem_id":"arc117_a"},{"id":26959955,"contest_id":"tenka1-2013-quala","epoch_second":1635686919,"problem_id":"tenka1_2013_qualA_a"},{"id":26974555,"contest_id":"arc012","epoch_second":1635765046,"problem_id":"arc012_1"},{"id":26974597,"contest_id":"arc002","epoch_second":1635765177,"problem_id":"arc002_1"},{"id":26977254,"contest_id":"abc225","epoch_second":1635772976,"problem_id":"abc225_b"},{"id":26977406,"contest_id":"abc148","epoch_second":1635773314,"problem_id":"abc148_c"},{"id":26977662,"contest_id":"abc148","epoch_second":1635773909,"problem_id":"abc148_a"},{"id":26977848,"contest_id":"abc154","epoch_second":1635774369,"problem_id":"abc154_c"},{"id":26978031,"contest_id":"abc143","epoch_second":1635774852,"problem_id":"abc143_c"},{"id":26978162,"contest_id":"m-solutions2020","epoch_second":1635775274,"problem_id":"m_solutions2020_b"},{"id":26978218,"contest_id":"mujin-pc-2016","epoch_second":1635775402,"problem_id":"mujin_pc_2016_a"},{"id":26978253,"contest_id":"code-festival-2015-qualb","epoch_second":1635775503,"problem_id":"codefestival_2015_qualB_a"},{"id":26978281,"contest_id":"code-festival-2015-quala","epoch_second":1635775591,"problem_id":"codefestival_2015_qualA_a"},{"id":26979943,"contest_id":"arc020","epoch_second":1635780854,"problem_id":"arc020_1"},{"id":26979996,"contest_id":"arc119","epoch_second":1635781106,"problem_id":"arc119_a"},{"id":26980059,"contest_id":"abc153","epoch_second":1635781488,"problem_id":"abc153_c"},{"id":26980075,"contest_id":"code-festival-2017-qualc","epoch_second":1635781597,"problem_id":"code_festival_2017_qualc_a"},{"id":26980083,"contest_id":"code-festival-2014-qualb","epoch_second":1635781659,"problem_id":"code_festival_qualB_a"},{"id":27007562,"contest_id":"future-contest-2022-qual","epoch_second":1635940835,"problem_id":"future_contest_2022_qual_a"},{"id":27008229,"contest_id":"future-contest-2022-qual","epoch_second":1635942686,"problem_id":"future_contest_2022_qual_a"},{"id":27010439,"contest_id":"future-contest-2022-qual","epoch_second":1635949382,"problem_id":"future_contest_2022_qual_a"},{"id":27011083,"contest_id":"future-contest-2022-qual","epoch_second":1635951277,"problem_id":"future_contest_2022_qual_a"},{"id":27011636,"contest_id":"future-contest-2022-qual","epoch_second":1635953382,"problem_id":"future_contest_2022_qual_a"},{"id":27012124,"contest_id":"future-contest-2022-qual","epoch_second":1635955584,"problem_id":"future_contest_2022_qual_a"},{"id":27012199,"contest_id":"abc176","epoch_second":1635955964,"problem_id":"abc176_c"},{"id":27018142,"contest_id":"future-contest-2022-qual","epoch_second":1636002032,"problem_id":"future_contest_2022_qual_a"},{"id":27018578,"contest_id":"future-contest-2022-qual","epoch_second":1636003833,"problem_id":"future_contest_2022_qual_a"},{"id":27019370,"contest_id":"future-contest-2022-qual","epoch_second":1636007835,"problem_id":"future_contest_2022_qual_a"},{"id":27020853,"contest_id":"future-contest-2022-qual","epoch_second":1636014136,"problem_id":"future_contest_2022_qual_a"},{"id":27028032,"contest_id":"arc031","epoch_second":1636041692,"problem_id":"arc031_1"},{"id":27028101,"contest_id":"yahoo-procon2019-qual","epoch_second":1636042072,"problem_id":"yahoo_procon2019_qual_a"},{"id":27028124,"contest_id":"code-festival-2017-qualb","epoch_second":1636042211,"problem_id":"code_festival_2017_qualb_a"},{"id":27028136,"contest_id":"code-formula-2014-qualb","epoch_second":1636042250,"problem_id":"code_formula_2014_qualB_a"},{"id":27032478,"contest_id":"abc164","epoch_second":1636078429,"problem_id":"abc164_c"},{"id":27034046,"contest_id":"tenka1-2018-beginner","epoch_second":1636088665,"problem_id":"tenka1_2018_b"},{"id":27034440,"contest_id":"arc047","epoch_second":1636090458,"problem_id":"arc047_a"},{"id":27034467,"contest_id":"arc053","epoch_second":1636090612,"problem_id":"arc053_a"},{"id":27034544,"contest_id":"agc030","epoch_second":1636091104,"problem_id":"agc030_a"},{"id":27034580,"contest_id":"agc026","epoch_second":1636091356,"problem_id":"agc026_a"},{"id":27034605,"contest_id":"arc027","epoch_second":1636091471,"problem_id":"arc027_1"},{"id":27034630,"contest_id":"arc048","epoch_second":1636091566,"problem_id":"arc048_a"},{"id":27034658,"contest_id":"code-festival-2017-quala","epoch_second":1636091667,"problem_id":"code_festival_2017_quala_a"},{"id":27034879,"contest_id":"hhkb2020","epoch_second":1636092803,"problem_id":"hhkb2020_b"},{"id":27034909,"contest_id":"nomura2020","epoch_second":1636092981,"problem_id":"nomura2020_b"},{"id":27035093,"contest_id":"code-festival-2016-quala","epoch_second":1636093924,"problem_id":"codefestival_2016_qualA_a"},{"id":27042771,"contest_id":"arc037","epoch_second":1636123363,"problem_id":"arc037_a"},{"id":27042816,"contest_id":"tenka1-2012-qualB","epoch_second":1636123503,"problem_id":"tenka1_2012_5"},{"id":27043148,"contest_id":"arc112","epoch_second":1636124603,"problem_id":"arc112_a"},{"id":27043900,"contest_id":"yahoo-procon2019-qual","epoch_second":1636128192,"problem_id":"yahoo_procon2019_qual_b"},{"id":27043995,"contest_id":"nikkei2019-qual","epoch_second":1636128800,"problem_id":"nikkei2019_qual_b"},{"id":27044020,"contest_id":"soundhound2018-summer-qual","epoch_second":1636128925,"problem_id":"soundhound2018_summer_qual_b"},{"id":27044105,"contest_id":"abc159","epoch_second":1636129459,"problem_id":"abc159_c"},{"id":27044126,"contest_id":"code-festival-2016-qualb","epoch_second":1636129581,"problem_id":"codefestival_2016_qualB_a"},{"id":27044339,"contest_id":"arc109","epoch_second":1636130859,"problem_id":"arc109_a"},{"id":27044364,"contest_id":"arc018","epoch_second":1636131063,"problem_id":"arc018_1"},{"id":27044397,"contest_id":"arc110","epoch_second":1636131291,"problem_id":"arc110_a"},{"id":27044476,"contest_id":"abc188","epoch_second":1636131851,"problem_id":"abc188_c"},{"id":27048113,"contest_id":"future-contest-2022-qual","epoch_second":1636165905,"problem_id":"future_contest_2022_qual_a"},{"id":27048486,"contest_id":"future-contest-2022-qual","epoch_second":1636167861,"problem_id":"future_contest_2022_qual_a"},{"id":27058638,"contest_id":"future-contest-2022-qual","epoch_second":1636205469,"problem_id":"future_contest_2022_qual_a"},{"id":27060683,"contest_id":"arc025","epoch_second":1636212412,"problem_id":"arc025_1"},{"id":27061017,"contest_id":"aising2019","epoch_second":1636213725,"problem_id":"aising2019_b"},{"id":27064931,"contest_id":"agc020","epoch_second":1636249962,"problem_id":"agc020_a"},{"id":27064953,"contest_id":"cf16-final","epoch_second":1636250107,"problem_id":"codefestival_2016_final_a"},{"id":27064994,"contest_id":"arc055","epoch_second":1636250325,"problem_id":"arc055_a"},{"id":27065052,"contest_id":"agc054","epoch_second":1636250636,"problem_id":"agc054_a"},{"id":27065164,"contest_id":"abc186","epoch_second":1636251195,"problem_id":"abc186_c"},{"id":27065207,"contest_id":"arc009","epoch_second":1636251462,"problem_id":"arc009_1"},{"id":27074123,"contest_id":"arc107","epoch_second":1636284374,"problem_id":"arc107_a"},{"id":27109509,"contest_id":"arc033","epoch_second":1636291404,"problem_id":"arc033_1"},{"id":27109661,"contest_id":"arc033","epoch_second":1636291443,"problem_id":"arc033_1"},{"id":27110614,"contest_id":"dwacon5th-prelims","epoch_second":1636291674,"problem_id":"dwacon5th_prelims_a"},{"id":27111320,"contest_id":"arc038","epoch_second":1636291842,"problem_id":"arc038_a"},{"id":27116828,"contest_id":"abc226","epoch_second":1636293824,"problem_id":"abc226_a"},{"id":27116910,"contest_id":"abc226","epoch_second":1636293914,"problem_id":"abc226_b"},{"id":27117708,"contest_id":"abc226","epoch_second":1636294704,"problem_id":"abc226_c"},{"id":27118594,"contest_id":"abc226","epoch_second":1636295933,"problem_id":"abc226_d"},{"id":27119291,"contest_id":"abc226","epoch_second":1636297088,"problem_id":"abc226_e"},{"id":27120721,"contest_id":"abc180","epoch_second":1636300326,"problem_id":"abc180_c"},{"id":27120821,"contest_id":"abc216","epoch_second":1636300650,"problem_id":"abc216_c"},{"id":27133148,"contest_id":"future-contest-2022-qual","epoch_second":1636367409,"problem_id":"future_contest_2022_qual_a"},{"id":27137661,"contest_id":"future-contest-2022-qual","epoch_second":1636381013,"problem_id":"future_contest_2022_qual_a"},{"id":27138599,"contest_id":"future-contest-2022-qual","epoch_second":1636383689,"problem_id":"future_contest_2022_qual_a"},{"id":27139180,"contest_id":"arc108","epoch_second":1636385858,"problem_id":"arc108_a"},{"id":27143563,"contest_id":"tenka1-2014-qualb","epoch_second":1636422097,"problem_id":"tenka1_2014_qualB_a"},{"id":27143612,"contest_id":"tenka1-2012-qualA","epoch_second":1636422478,"problem_id":"tenka1_2012_qualA_1"},{"id":27143644,"contest_id":"abc170","epoch_second":1636422719,"problem_id":"abc170_c"},{"id":27143743,"contest_id":"arc116","epoch_second":1636423294,"problem_id":"arc116_a"},{"id":27143858,"contest_id":"keyence2021","epoch_second":1636424109,"problem_id":"keyence2021_a"},{"id":27143886,"contest_id":"arc008","epoch_second":1636424312,"problem_id":"arc008_1"},{"id":27143895,"contest_id":"abc162","epoch_second":1636424444,"problem_id":"abc162_c"},{"id":27143935,"contest_id":"arc041","epoch_second":1636424714,"problem_id":"arc041_a"},{"id":27144282,"contest_id":"arc040","epoch_second":1636426542,"problem_id":"arc040_a"},{"id":27144395,"contest_id":"arc016","epoch_second":1636427195,"problem_id":"arc016_1"},{"id":27144406,"contest_id":"arc050","epoch_second":1636427269,"problem_id":"arc050_a"},{"id":27144503,"contest_id":"arc123","epoch_second":1636428056,"problem_id":"arc123_a"},{"id":27144542,"contest_id":"arc032","epoch_second":1636428239,"problem_id":"arc032_1"},{"id":27144997,"contest_id":"code-formula-2014-quala","epoch_second":1636431299,"problem_id":"code_formula_2014_qualA_a"},{"id":27145028,"contest_id":"arc035","epoch_second":1636431496,"problem_id":"arc035_a"},{"id":27145063,"contest_id":"arc015","epoch_second":1636431694,"problem_id":"arc015_1"},{"id":27145090,"contest_id":"code-festival-2016-qualc","epoch_second":1636431888,"problem_id":"codefestival_2016_qualC_a"},{"id":27145129,"contest_id":"tokiomarine2020","epoch_second":1636432133,"problem_id":"tokiomarine2020_b"},{"id":27145563,"contest_id":"apc001","epoch_second":1636434919,"problem_id":"apc001_a"},{"id":27145673,"contest_id":"arc007","epoch_second":1636435440,"problem_id":"arc007_1"},{"id":27145952,"contest_id":"abc163","epoch_second":1636436860,"problem_id":"abc163_c"},{"id":27146100,"contest_id":"arc006","epoch_second":1636437779,"problem_id":"arc006_1"},{"id":27146128,"contest_id":"indeednow-qualb","epoch_second":1636437954,"problem_id":"indeednow_2015_qualb_1"},{"id":27146350,"contest_id":"arc034","epoch_second":1636439237,"problem_id":"arc034_1"},{"id":27146406,"contest_id":"abc202","epoch_second":1636439497,"problem_id":"abc202_c"},{"id":27151387,"contest_id":"m-solutions2020","epoch_second":1636459692,"problem_id":"m_solutions2020_c"},{"id":27151457,"contest_id":"abc187","epoch_second":1636459935,"problem_id":"abc187_c"},{"id":27151515,"contest_id":"arc052","epoch_second":1636460134,"problem_id":"arc052_a"},{"id":27152139,"contest_id":"code-festival-2014-qualb","epoch_second":1636462386,"problem_id":"code_festival_qualB_b"},{"id":27152176,"contest_id":"tenka1-2013-qualb","epoch_second":1636462530,"problem_id":"tenka1_2013_qualB_a"},{"id":27155165,"contest_id":"future-contest-2022-qual","epoch_second":1636473569,"problem_id":"future_contest_2022_qual_a"},{"id":27158092,"contest_id":"future-contest-2022-qual","epoch_second":1636506106,"problem_id":"future_contest_2022_qual_a"},{"id":27160965,"contest_id":"future-contest-2022-qual","epoch_second":1636524248,"problem_id":"future_contest_2022_qual_a"},{"id":27168577,"contest_id":"arc124","epoch_second":1636555849,"problem_id":"arc124_a"},{"id":27182004,"contest_id":"arc012","epoch_second":1636640795,"problem_id":"arc012_2"},{"id":27182098,"contest_id":"arc046","epoch_second":1636641091,"problem_id":"arc046_a"},{"id":27182202,"contest_id":"code-festival-2015-quala","epoch_second":1636641406,"problem_id":"codefestival_2015_qualA_b"},{"id":27183184,"contest_id":"abc168","epoch_second":1636646316,"problem_id":"abc168_c"},{"id":27185737,"contest_id":"future-contest-2022-qual","epoch_second":1636679002,"problem_id":"future_contest_2022_qual_a"},{"id":27195347,"contest_id":"arc120","epoch_second":1636726916,"problem_id":"arc120_a"},{"id":27195399,"contest_id":"arc017","epoch_second":1636727127,"problem_id":"arc017_1"},{"id":27195542,"contest_id":"tenka1-2017-beginner","epoch_second":1636727580,"problem_id":"tenka1_2017_b"},{"id":27195643,"contest_id":"arc113","epoch_second":1636727923,"problem_id":"arc113_a"},{"id":27195736,"contest_id":"discovery2016-qual","epoch_second":1636728235,"problem_id":"discovery_2016_qual_a"},{"id":27195796,"contest_id":"arc021","epoch_second":1636728523,"problem_id":"arc021_1"},{"id":27195840,"contest_id":"arc028","epoch_second":1636728689,"problem_id":"arc028_1"},{"id":27196376,"contest_id":"indeednow-quala","epoch_second":1636731330,"problem_id":"indeednow_2015_quala_2"},{"id":27196417,"contest_id":"code-festival-2014-quala","epoch_second":1636731529,"problem_id":"code_festival_qualA_b"},{"id":27196447,"contest_id":"arc019","epoch_second":1636731671,"problem_id":"arc019_1"},{"id":27196492,"contest_id":"arc045","epoch_second":1636731917,"problem_id":"arc045_a"},{"id":27200210,"contest_id":"tenka1-2013-quala","epoch_second":1636770660,"problem_id":"tenka1_2013_qualA_b"},{"id":27200303,"contest_id":"arc010","epoch_second":1636770965,"problem_id":"arc010_1"},{"id":27200437,"contest_id":"arc049","epoch_second":1636771412,"problem_id":"arc049_a"},{"id":27200470,"contest_id":"code-festival-2014-final","epoch_second":1636771552,"problem_id":"code_festival_final_b"},{"id":27200478,"contest_id":"code-festival-2014-final","epoch_second":1636771614,"problem_id":"code_festival_final_a"},{"id":27200569,"contest_id":"arc001","epoch_second":1636771957,"problem_id":"arc001_1"},{"id":27200619,"contest_id":"arc014","epoch_second":1636772172,"problem_id":"arc014_1"},{"id":27200676,"contest_id":"agc001","epoch_second":1636772364,"problem_id":"agc001_a"},{"id":27200781,"contest_id":"abc166","epoch_second":1636772824,"problem_id":"abc166_c"},{"id":27200843,"contest_id":"arc023","epoch_second":1636773104,"problem_id":"arc023_1"},{"id":27200939,"contest_id":"agc046","epoch_second":1636773486,"problem_id":"agc046_a"},{"id":27201027,"contest_id":"abc181","epoch_second":1636773896,"problem_id":"abc181_c"},{"id":27203650,"contest_id":"donuts-2015","epoch_second":1636785121,"problem_id":"donuts_2015_1"},{"id":27204250,"contest_id":"future-contest-2022-qual","epoch_second":1636787043,"problem_id":"future_contest_2022_qual_a"},{"id":27205003,"contest_id":"future-contest-2022-qual","epoch_second":1636788844,"problem_id":"future_contest_2022_qual_a"},{"id":27205460,"contest_id":"arc036","epoch_second":1636789973,"problem_id":"arc036_a"},{"id":27205521,"contest_id":"arc024","epoch_second":1636790156,"problem_id":"arc024_1"},{"id":27205586,"contest_id":"abc179","epoch_second":1636790325,"problem_id":"abc179_c"},{"id":27205986,"contest_id":"abc182","epoch_second":1636791398,"problem_id":"abc182_c"},{"id":27207034,"contest_id":"arc106","epoch_second":1636794777,"problem_id":"arc106_a"},{"id":27207119,"contest_id":"abc012","epoch_second":1636795079,"problem_id":"abc012_3"},{"id":27207294,"contest_id":"keyence2021","epoch_second":1636795634,"problem_id":"keyence2021_b"},{"id":27207410,"contest_id":"code-formula-2014-quala","epoch_second":1636796041,"problem_id":"code_formula_2014_qualA_b"},{"id":27207822,"contest_id":"abc225","epoch_second":1636797539,"problem_id":"abc225_c"},{"id":27242703,"contest_id":"abc183","epoch_second":1636816999,"problem_id":"abc183_c"},{"id":27242814,"contest_id":"arc004","epoch_second":1636817274,"problem_id":"arc004_1"},{"id":27246704,"contest_id":"abc227","epoch_second":1636849428,"problem_id":"abc227_a"},{"id":27246721,"contest_id":"abc227","epoch_second":1636849579,"problem_id":"abc227_b"},{"id":27246764,"contest_id":"abc227","epoch_second":1636849804,"problem_id":"abc227_c"},{"id":27247680,"contest_id":"abc227","epoch_second":1636855201,"problem_id":"abc227_d"},{"id":27252206,"contest_id":"ahc006","epoch_second":1636873797,"problem_id":"ahc006_a"},{"id":27252587,"contest_id":"ahc006","epoch_second":1636874694,"problem_id":"ahc006_a"},{"id":27254738,"contest_id":"ahc006","epoch_second":1636878834,"problem_id":"ahc006_a"},{"id":27255189,"contest_id":"ahc006","epoch_second":1636879580,"problem_id":"ahc006_a"},{"id":27258037,"contest_id":"ahc006","epoch_second":1636884217,"problem_id":"ahc006_a"},{"id":27258470,"contest_id":"ahc006","epoch_second":1636884988,"problem_id":"ahc006_a"},{"id":27258947,"contest_id":"ahc006","epoch_second":1636885719,"problem_id":"ahc006_a"},{"id":27264890,"contest_id":"jsc2021","epoch_second":1636901299,"problem_id":"jsc2021_c"},{"id":27264970,"contest_id":"arc022","epoch_second":1636901576,"problem_id":"arc022_1"},{"id":27265031,"contest_id":"arc005","epoch_second":1636901842,"problem_id":"arc005_1"},{"id":27265067,"contest_id":"tenka1-2014-quala","epoch_second":1636901999,"problem_id":"tenka1_2014_qualA_a"},{"id":27265314,"contest_id":"tenka1-2014-quala","epoch_second":1636903279,"problem_id":"tenka1_2014_qualA_a"},{"id":27265463,"contest_id":"arc123","epoch_second":1636904154,"problem_id":"arc123_b"},{"id":27269266,"contest_id":"hhkb2020","epoch_second":1636943342,"problem_id":"hhkb2020_c"},{"id":27269284,"contest_id":"abc139","epoch_second":1636943472,"problem_id":"abc139_d"},{"id":27269326,"contest_id":"arc105","epoch_second":1636943772,"problem_id":"arc105_b"},{"id":27269363,"contest_id":"tenka1-2012-qualC","epoch_second":1636944026,"problem_id":"tenka1_2012_9"},{"id":27269495,"contest_id":"abc185","epoch_second":1636944716,"problem_id":"abc185_c"},{"id":27269534,"contest_id":"dwango2016-prelims","epoch_second":1636944922,"problem_id":"dwango2016qual_a"},{"id":27269611,"contest_id":"aising2020","epoch_second":1636945478,"problem_id":"aising2020_c"},{"id":27269658,"contest_id":"abc193","epoch_second":1636945818,"problem_id":"abc193_c"},{"id":27270079,"contest_id":"abc194","epoch_second":1636949057,"problem_id":"abc194_c"},{"id":27270182,"contest_id":"abc177","epoch_second":1636949776,"problem_id":"abc177_c"},{"id":27274684,"contest_id":"arc011","epoch_second":1636970250,"problem_id":"arc011_1"},{"id":27274831,"contest_id":"abc096","epoch_second":1636970869,"problem_id":"abc096_c"},{"id":27274924,"contest_id":"abc072","epoch_second":1636971320,"problem_id":"arc082_a"},{"id":27275042,"contest_id":"tenka1-2012-qualA","epoch_second":1636971889,"problem_id":"tenka1_2012_qualA_2"},{"id":27280506,"contest_id":"abc175","epoch_second":1636991315,"problem_id":"abc175_c"},{"id":27283517,"contest_id":"arc118","epoch_second":1637024722,"problem_id":"arc118_a"},{"id":27283559,"contest_id":"code-festival-2015-morning-easy","epoch_second":1637025078,"problem_id":"cf_2015_morning_easy_b"},{"id":27283587,"contest_id":"code-festival-2015-morning-easy","epoch_second":1637025244,"problem_id":"cf_2015_morning_easy_a"},{"id":27283752,"contest_id":"arc086","epoch_second":1637026506,"problem_id":"arc086_a"},{"id":27283775,"contest_id":"abl","epoch_second":1637026699,"problem_id":"abl_c"},{"id":27283852,"contest_id":"abc199","epoch_second":1637027326,"problem_id":"abc199_c"},{"id":27292882,"contest_id":"abc186","epoch_second":1637068982,"problem_id":"abc186_d"},{"id":27293000,"contest_id":"cf17-final","epoch_second":1637069440,"problem_id":"cf17_final_a"},{"id":27294901,"contest_id":"arc125","epoch_second":1637077641,"problem_id":"arc125_a"},{"id":27298945,"contest_id":"agc040","epoch_second":1637121148,"problem_id":"agc040_a"},{"id":27298979,"contest_id":"tenka1-2015-qualb","epoch_second":1637121367,"problem_id":"tenka1_2015_qualB_a"},{"id":27299054,"contest_id":"keyence2019","epoch_second":1637121894,"problem_id":"keyence2019_b"},{"id":27299066,"contest_id":"arc003","epoch_second":1637122058,"problem_id":"arc003_1"},{"id":27299115,"contest_id":"abc073","epoch_second":1637122402,"problem_id":"abc073_c"},{"id":27299223,"contest_id":"abc157","epoch_second":1637123144,"problem_id":"abc157_c"},{"id":27299882,"contest_id":"arc121","epoch_second":1637126696,"problem_id":"arc121_a"},{"id":27308072,"contest_id":"arc015","epoch_second":1637160169,"problem_id":"arc015_2"},{"id":27308316,"contest_id":"abc028","epoch_second":1637161201,"problem_id":"abc028_c"},{"id":27308507,"contest_id":"arc126","epoch_second":1637162130,"problem_id":"arc126_a"},{"id":27308593,"contest_id":"abc190","epoch_second":1637162590,"problem_id":"abc190_c"},{"id":27311362,"contest_id":"code-festival-2015-qualb","epoch_second":1637197156,"problem_id":"codefestival_2015_qualB_b"},{"id":27313574,"contest_id":"code-festival-2014-morning-easy","epoch_second":1637214930,"problem_id":"code_festival_morning_easy_a"},{"id":27313599,"contest_id":"code-festival-2014-morning-easy","epoch_second":1637215046,"problem_id":"code_festival_morning_easy_b"},{"id":27316273,"contest_id":"abc088","epoch_second":1637228117,"problem_id":"abc088_c"},{"id":27316419,"contest_id":"abc154","epoch_second":1637228922,"problem_id":"abc154_d"},{"id":27320320,"contest_id":"abc174","epoch_second":1637244329,"problem_id":"abc174_d"},{"id":27320785,"contest_id":"arc104","epoch_second":1637246189,"problem_id":"arc104_b"},{"id":27321381,"contest_id":"tenka1-2015-quala","epoch_second":1637249091,"problem_id":"tenka1_2015_qualA_a"},{"id":27324904,"contest_id":"abc185","epoch_second":1637289070,"problem_id":"abc185_d"},{"id":27325209,"contest_id":"indeednow-qualb","epoch_second":1637291308,"problem_id":"indeednow_2015_qualb_2"},{"id":27339881,"contest_id":"arc039","epoch_second":1637381019,"problem_id":"arc039_a"},{"id":27348397,"contest_id":"abc159","epoch_second":1637397009,"problem_id":"abc159_d"},{"id":27348730,"contest_id":"abc171","epoch_second":1637398116,"problem_id":"abc171_d"},{"id":27348821,"contest_id":"abc063","epoch_second":1637398425,"problem_id":"arc075_a"},{"id":27349032,"contest_id":"arc073","epoch_second":1637399172,"problem_id":"arc073_a"},{"id":27360076,"contest_id":"abc228","epoch_second":1637410245,"problem_id":"abc228_b"},{"id":27369406,"contest_id":"abc228","epoch_second":1637411118,"problem_id":"abc228_c"},{"id":27376299,"contest_id":"abc228","epoch_second":1637411995,"problem_id":"abc228_d"},{"id":27403432,"contest_id":"abc228","epoch_second":1637416905,"problem_id":"abc228_a"},{"id":27404419,"contest_id":"abc228","epoch_second":1637417582,"problem_id":"abc228_e"},{"id":27406064,"contest_id":"arc091","epoch_second":1637419507,"problem_id":"arc091_a"},{"id":27406414,"contest_id":"agc006","epoch_second":1637420083,"problem_id":"agc006_a"},{"id":27407537,"contest_id":"agc039","epoch_second":1637422060,"problem_id":"agc039_a"},{"id":27428332,"contest_id":"abc131","epoch_second":1637499467,"problem_id":"abc131_c"},{"id":27429248,"contest_id":"arc109","epoch_second":1637500195,"problem_id":"arc109_b"},{"id":27429808,"contest_id":"abc039","epoch_second":1637500657,"problem_id":"abc039_c"},{"id":27431879,"contest_id":"arc057","epoch_second":1637502314,"problem_id":"arc057_a"},{"id":27439303,"contest_id":"arc007","epoch_second":1637544154,"problem_id":"arc007_2"},{"id":27439330,"contest_id":"diverta2019","epoch_second":1637544377,"problem_id":"diverta2019_b"},{"id":27439372,"contest_id":"arc016","epoch_second":1637544622,"problem_id":"arc016_2"},{"id":27439475,"contest_id":"abc116","epoch_second":1637545399,"problem_id":"abc116_c"},{"id":27439506,"contest_id":"abc109","epoch_second":1637545694,"problem_id":"abc109_c"},{"id":27439607,"contest_id":"yahoo-procon2019-qual","epoch_second":1637546433,"problem_id":"yahoo_procon2019_qual_c"},{"id":27439658,"contest_id":"arc029","epoch_second":1637546804,"problem_id":"arc029_1"},{"id":27439709,"contest_id":"abc066","epoch_second":1637547169,"problem_id":"arc077_a"},{"id":27439761,"contest_id":"arc030","epoch_second":1637547562,"problem_id":"arc030_1"},{"id":27439960,"contest_id":"abc064","epoch_second":1637548706,"problem_id":"abc064_c"},{"id":27440017,"contest_id":"arc044","epoch_second":1637549054,"problem_id":"arc044_a"},{"id":27440090,"contest_id":"abc171","epoch_second":1637549514,"problem_id":"abc171_c"},{"id":27440920,"contest_id":"arc069","epoch_second":1637555932,"problem_id":"arc069_a"},{"id":27440983,"contest_id":"abc189","epoch_second":1637556380,"problem_id":"abc189_c"},{"id":27441102,"contest_id":"abc094","epoch_second":1637557025,"problem_id":"arc095_a"},{"id":27441197,"contest_id":"code-festival-2017-qualb","epoch_second":1637557403,"problem_id":"code_festival_2017_qualb_b"},{"id":27441854,"contest_id":"arc113","epoch_second":1637560663,"problem_id":"arc113_b"},{"id":27442046,"contest_id":"arc093","epoch_second":1637561331,"problem_id":"arc093_a"},{"id":27449409,"contest_id":"arc080","epoch_second":1637591619,"problem_id":"arc080_a"},{"id":27449786,"contest_id":"arc099","epoch_second":1637592876,"problem_id":"arc099_a"},{"id":27449849,"contest_id":"arc056","epoch_second":1637593108,"problem_id":"arc056_a"},{"id":27449902,"contest_id":"abc029","epoch_second":1637593307,"problem_id":"abc029_c"},{"id":27450002,"contest_id":"arc013","epoch_second":1637593706,"problem_id":"arc013_1"},{"id":27454098,"contest_id":"abc131","epoch_second":1637632533,"problem_id":"abc131_d"},{"id":27454157,"contest_id":"arc081","epoch_second":1637632878,"problem_id":"arc081_a"},{"id":27454442,"contest_id":"abc133","epoch_second":1637634371,"problem_id":"abc133_c"},{"id":27454530,"contest_id":"abc082","epoch_second":1637634863,"problem_id":"arc087_a"},{"id":27454649,"contest_id":"abc167","epoch_second":1637635361,"problem_id":"abc167_c"},{"id":27454699,"contest_id":"abc169","epoch_second":1637635564,"problem_id":"abc169_c"},{"id":27457191,"contest_id":"abc137","epoch_second":1637647989,"problem_id":"abc137_c"},{"id":27457446,"contest_id":"abc181","epoch_second":1637648958,"problem_id":"abc181_d"},{"id":27457528,"contest_id":"abc165","epoch_second":1637649252,"problem_id":"abc165_d"},{"id":27457604,"contest_id":"code-formula-2014-qualb","epoch_second":1637649532,"problem_id":"code_formula_2014_qualB_b"},{"id":27457702,"contest_id":"arc014","epoch_second":1637649862,"problem_id":"arc014_2"},{"id":27469766,"contest_id":"arc117","epoch_second":1637729162,"problem_id":"arc117_b"},{"id":27469855,"contest_id":"abc068","epoch_second":1637729768,"problem_id":"arc079_a"},{"id":27469908,"contest_id":"abc158","epoch_second":1637730183,"problem_id":"abc158_d"},{"id":27477825,"contest_id":"agc013","epoch_second":1637768344,"problem_id":"agc013_a"},{"id":27484613,"contest_id":"abc117","epoch_second":1637827826,"problem_id":"abc117_c"},{"id":27490014,"contest_id":"abc010","epoch_second":1637853136,"problem_id":"abc010_3"},{"id":27499142,"contest_id":"agc015","epoch_second":1637931360,"problem_id":"agc015_a"},{"id":27501700,"contest_id":"abc002","epoch_second":1637942493,"problem_id":"abc002_3"},{"id":27505834,"contest_id":"keyence2020","epoch_second":1637984945,"problem_id":"keyence2020_c"},{"id":27505903,"contest_id":"abc130","epoch_second":1637985388,"problem_id":"abc130_c"},{"id":27506061,"contest_id":"arc115","epoch_second":1637986336,"problem_id":"arc115_b"},{"id":27506175,"contest_id":"abc041","epoch_second":1637987047,"problem_id":"abc041_c"},{"id":27513431,"contest_id":"abc229","epoch_second":1638014517,"problem_id":"abc229_a"},{"id":27515053,"contest_id":"abc229","epoch_second":1638014634,"problem_id":"abc229_b"},{"id":27525725,"contest_id":"abc229","epoch_second":1638015457,"problem_id":"abc229_c"},{"id":27538145,"contest_id":"abc229","epoch_second":1638017705,"problem_id":"abc229_d"},{"id":27542190,"contest_id":"abc229","epoch_second":1638018858,"problem_id":"abc229_e"},{"id":27574813,"contest_id":"arc107","epoch_second":1638104753,"problem_id":"arc107_b"},{"id":27580744,"contest_id":"arc098","epoch_second":1638114813,"problem_id":"arc098_a"},{"id":27584344,"contest_id":"arc130","epoch_second":1638154328,"problem_id":"arc130_a"},{"id":27584555,"contest_id":"arc130","epoch_second":1638155665,"problem_id":"arc130_b"},{"id":27584769,"contest_id":"abc126","epoch_second":1638157186,"problem_id":"abc126_c"},{"id":27588780,"contest_id":"code-festival-2014-quala","epoch_second":1638178212,"problem_id":"code_festival_qualA_c"},{"id":27594974,"contest_id":"agc035","epoch_second":1638201926,"problem_id":"agc035_a"},{"id":27605514,"contest_id":"arc115","epoch_second":1638277745,"problem_id":"arc115_a"},{"id":27605591,"contest_id":"abc089","epoch_second":1638278028,"problem_id":"abc089_c"},{"id":27605693,"contest_id":"abc123","epoch_second":1638278366,"problem_id":"abc123_c"},{"id":27605970,"contest_id":"agc028","epoch_second":1638279180,"problem_id":"agc028_a"},{"id":27606061,"contest_id":"code-festival-2015-qualb","epoch_second":1638279490,"problem_id":"codefestival_2015_qualB_c"},{"id":27606138,"contest_id":"abc118","epoch_second":1638279726,"problem_id":"abc118_c"},{"id":27606550,"contest_id":"arc128","epoch_second":1638281022,"problem_id":"arc128_a"},{"id":27606896,"contest_id":"abc187","epoch_second":1638281984,"problem_id":"abc187_d"},{"id":27607302,"contest_id":"abc178","epoch_second":1638283642,"problem_id":"abc178_c"},{"id":27607507,"contest_id":"abc173","epoch_second":1638284410,"problem_id":"abc173_c"},{"id":27618493,"contest_id":"arc110","epoch_second":1638365472,"problem_id":"arc110_b"},{"id":27618841,"contest_id":"abc072","epoch_second":1638366742,"problem_id":"arc082_b"},{"id":27618920,"contest_id":"abc183","epoch_second":1638366991,"problem_id":"abc183_d"},{"id":27619685,"contest_id":"agc034","epoch_second":1638370035,"problem_id":"agc034_a"},{"id":27620249,"contest_id":"m-solutions2020","epoch_second":1638372757,"problem_id":"m_solutions2020_d"},{"id":27623519,"contest_id":"agc015","epoch_second":1638412301,"problem_id":"agc015_b"},{"id":27623562,"contest_id":"code-formula-2014-final","epoch_second":1638412775,"problem_id":"code_formula_2014_final_c"},{"id":27623567,"contest_id":"code-formula-2014-final","epoch_second":1638412840,"problem_id":"code_formula_2014_final_a"},{"id":27623585,"contest_id":"code-formula-2014-final","epoch_second":1638412934,"problem_id":"code_formula_2014_final_b"},{"id":27623631,"contest_id":"abc058","epoch_second":1638413254,"problem_id":"arc071_a"},{"id":27623752,"contest_id":"arc108","epoch_second":1638414160,"problem_id":"arc108_b"},{"id":27624539,"contest_id":"abc065","epoch_second":1638420640,"problem_id":"arc076_a"},{"id":27624638,"contest_id":"code-festival-2014-final","epoch_second":1638421172,"problem_id":"code_festival_final_c"},{"id":27624712,"contest_id":"abc004","epoch_second":1638421577,"problem_id":"abc004_3"},{"id":27644199,"contest_id":"abc230","epoch_second":1638532935,"problem_id":"abc230_a"},{"id":27646055,"contest_id":"abc230","epoch_second":1638533021,"problem_id":"abc230_b"},{"id":27654619,"contest_id":"abc230","epoch_second":1638533872,"problem_id":"abc230_c"},{"id":27658040,"contest_id":"abc230","epoch_second":1638534485,"problem_id":"abc230_d"},{"id":27673804,"contest_id":"abc230","epoch_second":1638540594,"problem_id":"abc230_e"},{"id":27675924,"contest_id":"abc143","epoch_second":1638544544,"problem_id":"abc143_d"},{"id":27676159,"contest_id":"abc166","epoch_second":1638545263,"problem_id":"abc166_d"},{"id":27676213,"contest_id":"abc070","epoch_second":1638545386,"problem_id":"abc070_c"},{"id":27697294,"contest_id":"abc122","epoch_second":1638631410,"problem_id":"abc122_c"},{"id":27726732,"contest_id":"arc131","epoch_second":1638714835,"problem_id":"arc131_a"},{"id":27726790,"contest_id":"arc131","epoch_second":1638714983,"problem_id":"arc131_a"},{"id":27727598,"contest_id":"arc131","epoch_second":1638717422,"problem_id":"arc131_b"},{"id":27734944,"contest_id":"abc182","epoch_second":1638775668,"problem_id":"abc182_d"},{"id":27735018,"contest_id":"panasonic2020","epoch_second":1638775991,"problem_id":"panasonic2020_c"},{"id":27735471,"contest_id":"keyence2019","epoch_second":1638777808,"problem_id":"keyence2019_c"},{"id":27735625,"contest_id":"arc115","epoch_second":1638778513,"problem_id":"arc115_c"},{"id":27735699,"contest_id":"abc067","epoch_second":1638778779,"problem_id":"arc078_a"},{"id":27741812,"contest_id":"arc059","epoch_second":1638801413,"problem_id":"arc059_a"},{"id":27742255,"contest_id":"abc144","epoch_second":1638803001,"problem_id":"abc144_d"},{"id":27746997,"contest_id":"abc218","epoch_second":1638851264,"problem_id":"abc218_d"},{"id":27747188,"contest_id":"zone2021","epoch_second":1638852337,"problem_id":"zone2021_d"},{"id":27747845,"contest_id":"abc149","epoch_second":1638855377,"problem_id":"abc149_d"},{"id":27748080,"contest_id":"abc173","epoch_second":1638856679,"problem_id":"abc173_d"},{"id":27748341,"contest_id":"abc190","epoch_second":1638857972,"problem_id":"abc190_d"},{"id":27750489,"contest_id":"arc129","epoch_second":1638867992,"problem_id":"arc129_a"},{"id":27750753,"contest_id":"arc122","epoch_second":1638869612,"problem_id":"arc122_b"},{"id":27752627,"contest_id":"abc056","epoch_second":1638878292,"problem_id":"arc070_a"},{"id":27753176,"contest_id":"arc068","epoch_second":1638879701,"problem_id":"arc068_a"},{"id":27753248,"contest_id":"jsc2021","epoch_second":1638879911,"problem_id":"jsc2021_d"},{"id":27753321,"contest_id":"abc146","epoch_second":1638880139,"problem_id":"abc146_c"},{"id":27753715,"contest_id":"agc008","epoch_second":1638881343,"problem_id":"agc008_a"},{"id":27753936,"contest_id":"arc114","epoch_second":1638882092,"problem_id":"arc114_a"},{"id":27753965,"contest_id":"arc003","epoch_second":1638882197,"problem_id":"arc003_2"},{"id":27754090,"contest_id":"code-festival-2015-quala","epoch_second":1638882622,"problem_id":"codefestival_2015_qualA_c"},{"id":27754240,"contest_id":"abc180","epoch_second":1638883081,"problem_id":"abc180_d"},{"id":27754715,"contest_id":"abc078","epoch_second":1638884678,"problem_id":"arc085_a"},{"id":27756210,"contest_id":"abc169","epoch_second":1638889833,"problem_id":"abc169_d"},{"id":27762528,"contest_id":"abc033","epoch_second":1638942952,"problem_id":"abc033_c"},{"id":27762753,"contest_id":"abc211","epoch_second":1638944146,"problem_id":"abc211_d"},{"id":27762842,"contest_id":"abc047","epoch_second":1638944503,"problem_id":"arc063_a"},{"id":27763316,"contest_id":"abc167","epoch_second":1638946533,"problem_id":"abc167_d"},{"id":27763538,"contest_id":"abc189","epoch_second":1638947463,"problem_id":"abc189_d"},{"id":27763752,"contest_id":"arc054","epoch_second":1638948357,"problem_id":"arc054_a"},{"id":27771176,"contest_id":"abc177","epoch_second":1638976392,"problem_id":"abc177_d"},{"id":27774822,"contest_id":"abc171","epoch_second":1639017924,"problem_id":"abc171_e"},{"id":27774881,"contest_id":"arc051","epoch_second":1639018350,"problem_id":"arc051_a"},{"id":27774950,"contest_id":"arc008","epoch_second":1639018870,"problem_id":"arc008_2"},{"id":27775019,"contest_id":"agc009","epoch_second":1639019332,"problem_id":"agc009_a"},{"id":27775909,"contest_id":"abc162","epoch_second":1639025478,"problem_id":"abc162_d"},{"id":27776557,"contest_id":"abc184","epoch_second":1639029170,"problem_id":"abc184_c"},{"id":27776645,"contest_id":"agc052","epoch_second":1639029600,"problem_id":"agc052_a"},{"id":27778608,"contest_id":"abc225","epoch_second":1639038322,"problem_id":"abc225_d"},{"id":27778673,"contest_id":"arc002","epoch_second":1639038567,"problem_id":"arc002_2"},{"id":27779436,"contest_id":"caddi2018","epoch_second":1639042444,"problem_id":"caddi2018_a"},{"id":27779515,"contest_id":"dwango2016-prelims","epoch_second":1639042843,"problem_id":"dwango2016qual_b"},{"id":27780190,"contest_id":"agc022","epoch_second":1639045867,"problem_id":"agc022_a"},{"id":27780310,"contest_id":"agc032","epoch_second":1639046381,"problem_id":"agc032_a"},{"id":27784738,"contest_id":"abc129","epoch_second":1639063835,"problem_id":"abc129_c"},{"id":27798512,"contest_id":"arc033","epoch_second":1639148000,"problem_id":"arc033_2"},{"id":27798596,"contest_id":"arc013","epoch_second":1639148413,"problem_id":"arc013_2"},{"id":27802682,"contest_id":"agc016","epoch_second":1639186738,"problem_id":"agc016_a"},{"id":27802825,"contest_id":"cf17-final","epoch_second":1639187441,"problem_id":"cf17_final_b"},{"id":27802878,"contest_id":"agc017","epoch_second":1639187714,"problem_id":"agc017_a"},{"id":27802997,"contest_id":"agc011","epoch_second":1639188409,"problem_id":"agc011_a"},{"id":27803166,"contest_id":"agc007","epoch_second":1639189256,"problem_id":"agc007_a"},{"id":27803243,"contest_id":"agc031","epoch_second":1639189574,"problem_id":"agc031_a"},{"id":27803311,"contest_id":"agc002","epoch_second":1639189869,"problem_id":"agc002_b"},{"id":27803500,"contest_id":"abc128","epoch_second":1639190632,"problem_id":"abc128_c"},{"id":27806283,"contest_id":"abc061","epoch_second":1639200480,"problem_id":"abc061_c"},{"id":27806921,"contest_id":"cf16-final","epoch_second":1639202681,"problem_id":"codefestival_2016_final_b"},{"id":27807567,"contest_id":"code-festival-2017-quala","epoch_second":1639204539,"problem_id":"code_festival_2017_quala_b"},{"id":27809939,"contest_id":"abc111","epoch_second":1639211427,"problem_id":"arc103_a"},{"id":27814263,"contest_id":"abc231","epoch_second":1639224064,"problem_id":"abc231_a"},{"id":27817394,"contest_id":"abc231","epoch_second":1639224164,"problem_id":"abc231_b"},{"id":27820270,"contest_id":"abc231","epoch_second":1639224306,"problem_id":"abc231_c"},{"id":27852921,"contest_id":"abc231","epoch_second":1639230806,"problem_id":"abc231_d"},{"id":27856423,"contest_id":"abc172","epoch_second":1639237327,"problem_id":"abc172_c"},{"id":27876908,"contest_id":"ahc007","epoch_second":1639300733,"problem_id":"ahc007_a"},{"id":27877109,"contest_id":"ahc007","epoch_second":1639301035,"problem_id":"ahc007_a"},{"id":27877313,"contest_id":"ahc007","epoch_second":1639301349,"problem_id":"ahc007_a"},{"id":27878768,"contest_id":"ahc007","epoch_second":1639303615,"problem_id":"ahc007_a"},{"id":27878973,"contest_id":"ahc007","epoch_second":1639303916,"problem_id":"ahc007_a"},{"id":27879442,"contest_id":"ahc007","epoch_second":1639304585,"problem_id":"ahc007_a"},{"id":27880681,"contest_id":"ahc007","epoch_second":1639306130,"problem_id":"ahc007_a"},{"id":27880955,"contest_id":"ahc007","epoch_second":1639306431,"problem_id":"ahc007_a"},{"id":27886493,"contest_id":"abc037","epoch_second":1639323917,"problem_id":"abc037_c"},{"id":27895528,"contest_id":"abc028","epoch_second":1639389852,"problem_id":"abc028_d"},{"id":27900054,"contest_id":"abc015","epoch_second":1639404526,"problem_id":"abc015_3"},{"id":27901475,"contest_id":"abc174","epoch_second":1639409395,"problem_id":"abc174_c"},{"id":27918789,"contest_id":"code-festival-2014-final","epoch_second":1639533470,"problem_id":"code_festival_final_d"},{"id":27918928,"contest_id":"abc057","epoch_second":1639534478,"problem_id":"abc057_c"},{"id":27919064,"contest_id":"abc084","epoch_second":1639535446,"problem_id":"abc084_c"},{"id":27919145,"contest_id":"arc011","epoch_second":1639536069,"problem_id":"arc011_2"},{"id":27919285,"contest_id":"abc138","epoch_second":1639536912,"problem_id":"abc138_d"},{"id":27919359,"contest_id":"diverta2019","epoch_second":1639537489,"problem_id":"diverta2019_c"},{"id":27919491,"contest_id":"abc134","epoch_second":1639538514,"problem_id":"abc134_d"},{"id":27920970,"contest_id":"abc188","epoch_second":1639545744,"problem_id":"abc188_d"},{"id":27921218,"contest_id":"agc043","epoch_second":1639546919,"problem_id":"agc043_a"},{"id":27921555,"contest_id":"ddcc2020-qual","epoch_second":1639548556,"problem_id":"ddcc2020_qual_c"},{"id":27929151,"contest_id":"arc129","epoch_second":1639580400,"problem_id":"arc129_b"},{"id":27932631,"contest_id":"arc106","epoch_second":1639616588,"problem_id":"arc106_b"},{"id":27933136,"contest_id":"arc122","epoch_second":1639620519,"problem_id":"arc122_a"},{"id":27933207,"contest_id":"arc124","epoch_second":1639620991,"problem_id":"arc124_b"},{"id":27933637,"contest_id":"abc136","epoch_second":1639623647,"problem_id":"abc136_d"},{"id":27934630,"contest_id":"code-festival-2016-qualc","epoch_second":1639630359,"problem_id":"codefestival_2016_qualC_b"},{"id":27934869,"contest_id":"agc023","epoch_second":1639631489,"problem_id":"agc023_a"},{"id":27935007,"contest_id":"keyence2020","epoch_second":1639632132,"problem_id":"keyence2020_b"},{"id":27935163,"contest_id":"jsc2019-qual","epoch_second":1639633054,"problem_id":"jsc2019_qual_b"},{"id":27935251,"contest_id":"abc141","epoch_second":1639633450,"problem_id":"abc141_d"},{"id":27937361,"contest_id":"abc076","epoch_second":1639643199,"problem_id":"abc076_c"},{"id":27937527,"contest_id":"abc127","epoch_second":1639644056,"problem_id":"abc127_d"},{"id":27937729,"contest_id":"abc148","epoch_second":1639645026,"problem_id":"abc148_e"},{"id":27938328,"contest_id":"abc130","epoch_second":1639648307,"problem_id":"abc130_d"},{"id":27938477,"contest_id":"abc001","epoch_second":1639649093,"problem_id":"abc001_3"},{"id":27938651,"contest_id":"abc001","epoch_second":1639650078,"problem_id":"abc001_4"},{"id":27938791,"contest_id":"abc002","epoch_second":1639650923,"problem_id":"abc002_4"},{"id":27942632,"contest_id":"abc003","epoch_second":1639667277,"problem_id":"abc003_3"},{"id":27949528,"contest_id":"abc168","epoch_second":1639726714,"problem_id":"abc168_d"},{"id":27949842,"contest_id":"digitalarts2012","epoch_second":1639727797,"problem_id":"digitalarts_1"},{"id":27965325,"contest_id":"abc016","epoch_second":1639815668,"problem_id":"abc016_3"},{"id":27965584,"contest_id":"arc009","epoch_second":1639816380,"problem_id":"arc009_2"},{"id":27966192,"contest_id":"arc113","epoch_second":1639818247,"problem_id":"arc113_c"},{"id":27966783,"contest_id":"abc142","epoch_second":1639819886,"problem_id":"abc142_d"},{"id":27967032,"contest_id":"abc026","epoch_second":1639820995,"problem_id":"abc026_c"},{"id":27971831,"contest_id":"arc042","epoch_second":1639840064,"problem_id":"arc042_a"},{"id":27971951,"contest_id":"arc043","epoch_second":1639840736,"problem_id":"arc043_a"},{"id":27978798,"contest_id":"arc127","epoch_second":1639898137,"problem_id":"arc127_a"},{"id":27978890,"contest_id":"abc011","epoch_second":1639898504,"problem_id":"abc011_3"},{"id":27979013,"contest_id":"arc006","epoch_second":1639898922,"problem_id":"arc006_2"},{"id":27984152,"contest_id":"abc232","epoch_second":1639915256,"problem_id":"abc232_a"},{"id":27990790,"contest_id":"abc232","epoch_second":1639915651,"problem_id":"abc232_b"},{"id":27994637,"contest_id":"abc232","epoch_second":1639916084,"problem_id":"abc232_c"},{"id":27998416,"contest_id":"abc232","epoch_second":1639916580,"problem_id":"abc232_d"},{"id":28005507,"contest_id":"abc232","epoch_second":1639917860,"problem_id":"abc232_e"},{"id":28031374,"contest_id":"abc005","epoch_second":1639987767,"problem_id":"abc005_3"},{"id":28039769,"contest_id":"code-festival-2015-morning-middle","epoch_second":1640018590,"problem_id":"cf_2015_morning_easy_c"},{"id":28045177,"contest_id":"arc001","epoch_second":1640067624,"problem_id":"arc001_2"},{"id":28053681,"contest_id":"joi2022yo1a","epoch_second":1640101036,"problem_id":"joi2022_yo1a_a"},{"id":28068564,"contest_id":"jag2018summer-day2","epoch_second":1640185944,"problem_id":"jag2018summer_day2_a"},{"id":28083250,"contest_id":"arc116","epoch_second":1640273866,"problem_id":"arc116_b"},{"id":28098210,"contest_id":"sumitrust2019","epoch_second":1640359949,"problem_id":"sumitb2019_d"},{"id":28098831,"contest_id":"abc193","epoch_second":1640363325,"problem_id":"abc193_d"},{"id":28105117,"contest_id":"abc113","epoch_second":1640414870,"problem_id":"abc113_c"},{"id":28151448,"contest_id":"abc233","epoch_second":1640442170,"problem_id":"abc233_b"},{"id":28151493,"contest_id":"abc233","epoch_second":1640442233,"problem_id":"abc233_a"},{"id":28151989,"contest_id":"abc233","epoch_second":1640442945,"problem_id":"abc233_c"},{"id":28152560,"contest_id":"abc233","epoch_second":1640444066,"problem_id":"abc233_d"},{"id":28153465,"contest_id":"abc233","epoch_second":1640446206,"problem_id":"abc233_e"},{"id":28181073,"contest_id":"arc111","epoch_second":1640531082,"problem_id":"arc111_a"},{"id":28196758,"contest_id":"arc132","epoch_second":1640617641,"problem_id":"arc132_a"},{"id":28210820,"contest_id":"abc036","epoch_second":1640706315,"problem_id":"abc036_c"},{"id":28225308,"contest_id":"abc052","epoch_second":1640793025,"problem_id":"arc067_a"},{"id":28242719,"contest_id":"abc177","epoch_second":1640878231,"problem_id":"abc177_e"},{"id":28266861,"contest_id":"abc045","epoch_second":1640963960,"problem_id":"arc061_a"},{"id":28282462,"contest_id":"practice2","epoch_second":1641050546,"problem_id":"practice2_g"},{"id":28299332,"contest_id":"abc178","epoch_second":1641139021,"problem_id":"abc178_d"},{"id":28314189,"contest_id":"abc019","epoch_second":1641226536,"problem_id":"abc019_3"},{"id":28327839,"contest_id":"abc031","epoch_second":1641311401,"problem_id":"abc031_c"},{"id":28341122,"contest_id":"typical90","epoch_second":1641395133,"problem_id":"typical90_bi"},{"id":28344929,"contest_id":"bcu30-2018-qual","epoch_second":1641435639,"problem_id":"bcu30_2018_qual_a"},{"id":28345105,"contest_id":"bcu30-2018","epoch_second":1641436776,"problem_id":"bcu30_2018_a"},{"id":28345232,"contest_id":"bcu30-2018","epoch_second":1641437741,"problem_id":"bcu30_2018_b"},{"id":28362081,"contest_id":"diverta2019-2","epoch_second":1641549224,"problem_id":"diverta2019_2_b"},{"id":28379288,"contest_id":"abc234","epoch_second":1641643282,"problem_id":"abc234_a"},{"id":28382265,"contest_id":"abc234","epoch_second":1641643413,"problem_id":"abc234_b"},{"id":28386099,"contest_id":"abc234","epoch_second":1641643627,"problem_id":"abc234_c"},{"id":28396825,"contest_id":"abc234","epoch_second":1641644723,"problem_id":"abc234_d"},{"id":28410919,"contest_id":"abc234","epoch_second":1641647833,"problem_id":"abc234_e"},{"id":28426021,"contest_id":"abc006","epoch_second":1641693377,"problem_id":"abc006_3"},{"id":28444339,"contest_id":"pakencamp-2020-day1","epoch_second":1641781964,"problem_id":"pakencamp_2020_day1_a"},{"id":28444374,"contest_id":"pakencamp-2020-day1","epoch_second":1641782153,"problem_id":"pakencamp_2020_day1_b"},{"id":28456646,"contest_id":"typical90","epoch_second":1641830280,"problem_id":"typical90_bo"},{"id":28469198,"contest_id":"typical90","epoch_second":1641914539,"problem_id":"typical90_bz"},{"id":28483570,"contest_id":"typical90","epoch_second":1642001788,"problem_id":"typical90_g"},{"id":28496760,"contest_id":"typical90","epoch_second":1642087561,"problem_id":"typical90_n"},{"id":28511436,"contest_id":"typical90","epoch_second":1642175179,"problem_id":"typical90_p"},{"id":28526725,"contest_id":"abc235","epoch_second":1642248103,"problem_id":"abc235_a"},{"id":28530784,"contest_id":"abc235","epoch_second":1642248255,"problem_id":"abc235_b"},{"id":28534569,"contest_id":"abc235","epoch_second":1642248417,"problem_id":"abc235_c"},{"id":28558643,"contest_id":"abc235","epoch_second":1642252208,"problem_id":"abc235_d"},{"id":28567989,"contest_id":"abc235","epoch_second":1642256091,"problem_id":"abc235_e"},{"id":28570928,"contest_id":"typical90","epoch_second":1642262352,"problem_id":"typical90_r"},{"id":28590796,"contest_id":"typical90","epoch_second":1642345384,"problem_id":"typical90_t"},{"id":28606614,"contest_id":"typical90","epoch_second":1642431937,"problem_id":"typical90_af"},{"id":28623173,"contest_id":"typical90","epoch_second":1642518792,"problem_id":"typical90_al"},{"id":28638824,"contest_id":"typical90","epoch_second":1642605485,"problem_id":"typical90_ar"},{"id":28652928,"contest_id":"typical90","epoch_second":1642692403,"problem_id":"typical90_at"},{"id":28666683,"contest_id":"typical90","epoch_second":1642778079,"problem_id":"typical90_av"},{"id":28685960,"contest_id":"arc133","epoch_second":1642854123,"problem_id":"arc133_a"},{"id":28694020,"contest_id":"arc133","epoch_second":1642857773,"problem_id":"arc133_c"},{"id":28699769,"contest_id":"typical90","epoch_second":1642864907,"problem_id":"typical90_ax"},{"id":28717486,"contest_id":"abc236","epoch_second":1642939230,"problem_id":"abc236_a"},{"id":28722427,"contest_id":"abc236","epoch_second":1642939380,"problem_id":"abc236_b"},{"id":28725663,"contest_id":"abc236","epoch_second":1642939488,"problem_id":"abc236_c"},{"id":28758375,"contest_id":"abc236","epoch_second":1642945771,"problem_id":"abc236_d"},{"id":28761777,"contest_id":"typical90","epoch_second":1642950127,"problem_id":"typical90_az"},{"id":28782451,"contest_id":"typical90","epoch_second":1643039587,"problem_id":"typical90_bq"},{"id":28798346,"contest_id":"typical90","epoch_second":1643122878,"problem_id":"typical90_bl"},{"id":28814900,"contest_id":"typical90","epoch_second":1643210702,"problem_id":"typical90_bw"},{"id":28830034,"contest_id":"typical90","epoch_second":1643296782,"problem_id":"typical90_bx"},{"id":28845324,"contest_id":"typical90","epoch_second":1643382941,"problem_id":"typical90_ca"},{"id":28869173,"contest_id":"arc134","epoch_second":1643461207,"problem_id":"arc134_a"},{"id":28881651,"contest_id":"typical90","epoch_second":1643469952,"problem_id":"typical90_cd"},{"id":28901649,"contest_id":"abc237","epoch_second":1643544186,"problem_id":"abc237_a"},{"id":28907420,"contest_id":"abc237","epoch_second":1643544521,"problem_id":"abc237_b"},{"id":28925663,"contest_id":"abc237","epoch_second":1643545791,"problem_id":"abc237_d"},{"id":28927110,"contest_id":"abc237","epoch_second":1643545931,"problem_id":"abc237_c"},{"id":28962226,"contest_id":"abc151","epoch_second":1643559315,"problem_id":"abc151_d"},{"id":28980101,"contest_id":"typical90","epoch_second":1643642602,"problem_id":"typical90_cf"},{"id":28996054,"contest_id":"typical90","epoch_second":1643728896,"problem_id":"typical90_a"},{"id":29012775,"contest_id":"typical90","epoch_second":1643814702,"problem_id":"typical90_c"},{"id":29029345,"contest_id":"typical90","epoch_second":1643900626,"problem_id":"typical90_h"},{"id":29046229,"contest_id":"typical90","epoch_second":1643988574,"problem_id":"typical90_l"},{"id":29065669,"contest_id":"abc238","epoch_second":1644062591,"problem_id":"abc238_a"},{"id":29071594,"contest_id":"abc238","epoch_second":1644062888,"problem_id":"abc238_b"},{"id":29075238,"contest_id":"abc238","epoch_second":1644063195,"problem_id":"abc238_c"},{"id":29096704,"contest_id":"abc238","epoch_second":1644067211,"problem_id":"abc238_d"},{"id":29108321,"contest_id":"typical90","epoch_second":1644074194,"problem_id":"typical90_z"},{"id":29133782,"contest_id":"typical90","epoch_second":1644159932,"problem_id":"typical90_ab"},{"id":29151546,"contest_id":"typical90","epoch_second":1644247051,"problem_id":"typical90_ah"},{"id":29169604,"contest_id":"typical90","epoch_second":1644333875,"problem_id":"typical90_ap"},{"id":29187336,"contest_id":"tenka1-2017-beginner","epoch_second":1644422009,"problem_id":"tenka1_2017_c"},{"id":29204399,"contest_id":"typical90","epoch_second":1644506591,"problem_id":"typical90_cg"},{"id":29225220,"contest_id":"typical90","epoch_second":1644594689,"problem_id":"typical90_br"},{"id":29230521,"contest_id":"ahc008","epoch_second":1644635048,"problem_id":"ahc008_a"},{"id":29232785,"contest_id":"ahc008","epoch_second":1644642854,"problem_id":"ahc008_a"},{"id":29233632,"contest_id":"ahc008","epoch_second":1644645580,"problem_id":"ahc008_a"},{"id":29235163,"contest_id":"ahc008","epoch_second":1644649801,"problem_id":"ahc008_a"},{"id":29237659,"contest_id":"ahc008","epoch_second":1644655863,"problem_id":"ahc008_a"},{"id":29245097,"contest_id":"abc238","epoch_second":1644679970,"problem_id":"abc238_e"},{"id":29259853,"contest_id":"loadchecking","epoch_second":1644746478,"problem_id":"loadchecking_a"},{"id":29260086,"contest_id":"loadchecking","epoch_second":1644746532,"problem_id":"loadchecking_a"},{"id":29260458,"contest_id":"loadchecking","epoch_second":1644746588,"problem_id":"loadchecking_a"},{"id":29262033,"contest_id":"loadchecking","epoch_second":1644746759,"problem_id":"loadchecking_a"},{"id":29263633,"contest_id":"loadchecking","epoch_second":1644746894,"problem_id":"loadchecking_a"},{"id":29263969,"contest_id":"loadchecking","epoch_second":1644746920,"problem_id":"loadchecking_a"},{"id":29269063,"contest_id":"loadchecking","epoch_second":1644747306,"problem_id":"loadchecking_a"},{"id":29269498,"contest_id":"loadchecking","epoch_second":1644747341,"problem_id":"loadchecking_a"},{"id":29272747,"contest_id":"loadchecking","epoch_second":1644747589,"problem_id":"loadchecking_a"},{"id":29273445,"contest_id":"loadchecking","epoch_second":1644747641,"problem_id":"loadchecking_a"},{"id":29274556,"contest_id":"loadchecking","epoch_second":1644747723,"problem_id":"loadchecking_a"},{"id":29275040,"contest_id":"loadchecking","epoch_second":1644747761,"problem_id":"loadchecking_a"},{"id":29278534,"contest_id":"loadchecking","epoch_second":1644748036,"problem_id":"loadchecking_a"},{"id":29278796,"contest_id":"loadchecking","epoch_second":1644748056,"problem_id":"loadchecking_a"},{"id":29278935,"contest_id":"loadchecking","epoch_second":1644748066,"problem_id":"loadchecking_a"},{"id":29279065,"contest_id":"loadchecking","epoch_second":1644748077,"problem_id":"loadchecking_a"},{"id":29279222,"contest_id":"loadchecking","epoch_second":1644748088,"problem_id":"loadchecking_a"},{"id":29279367,"contest_id":"loadchecking","epoch_second":1644748098,"problem_id":"loadchecking_a"},{"id":29281828,"contest_id":"loadchecking","epoch_second":1644748295,"problem_id":"loadchecking_a"},{"id":29281961,"contest_id":"loadchecking","epoch_second":1644748306,"problem_id":"loadchecking_a"},{"id":29282860,"contest_id":"loadchecking","epoch_second":1644748380,"problem_id":"loadchecking_a"},{"id":29283435,"contest_id":"loadchecking","epoch_second":1644748430,"problem_id":"loadchecking_a"},{"id":29286801,"contest_id":"loadchecking","epoch_second":1644748747,"problem_id":"loadchecking_a"},{"id":29286941,"contest_id":"loadchecking","epoch_second":1644748764,"problem_id":"loadchecking_a"},{"id":29287140,"contest_id":"loadchecking","epoch_second":1644748785,"problem_id":"loadchecking_a"},{"id":29287286,"contest_id":"loadchecking","epoch_second":1644748799,"problem_id":"loadchecking_a"},{"id":29288882,"contest_id":"loadchecking","epoch_second":1644748976,"problem_id":"loadchecking_a"},{"id":29288970,"contest_id":"loadchecking","epoch_second":1644748986,"problem_id":"loadchecking_a"},{"id":29289136,"contest_id":"loadchecking","epoch_second":1644749007,"problem_id":"loadchecking_a"},{"id":29289236,"contest_id":"loadchecking","epoch_second":1644749018,"problem_id":"loadchecking_a"},{"id":29289400,"contest_id":"loadchecking","epoch_second":1644749038,"problem_id":"loadchecking_a"},{"id":29289490,"contest_id":"loadchecking","epoch_second":1644749048,"problem_id":"loadchecking_a"},{"id":29289663,"contest_id":"loadchecking","epoch_second":1644749067,"problem_id":"loadchecking_a"},{"id":29289741,"contest_id":"loadchecking","epoch_second":1644749077,"problem_id":"loadchecking_a"},{"id":29289926,"contest_id":"loadchecking","epoch_second":1644749096,"problem_id":"loadchecking_a"},{"id":29290026,"contest_id":"loadchecking","epoch_second":1644749106,"problem_id":"loadchecking_a"},{"id":29290179,"contest_id":"loadchecking","epoch_second":1644749123,"problem_id":"loadchecking_a"},{"id":29290264,"contest_id":"loadchecking","epoch_second":1644749134,"problem_id":"loadchecking_a"},{"id":29290447,"contest_id":"loadchecking","epoch_second":1644749155,"problem_id":"loadchecking_a"},{"id":29290552,"contest_id":"loadchecking","epoch_second":1644749165,"problem_id":"loadchecking_a"},{"id":29290704,"contest_id":"loadchecking","epoch_second":1644749182,"problem_id":"loadchecking_a"},{"id":29290804,"contest_id":"loadchecking","epoch_second":1644749192,"problem_id":"loadchecking_a"},{"id":29290957,"contest_id":"loadchecking","epoch_second":1644749210,"problem_id":"loadchecking_a"},{"id":29291032,"contest_id":"loadchecking","epoch_second":1644749220,"problem_id":"loadchecking_a"},{"id":29291152,"contest_id":"loadchecking","epoch_second":1644749234,"problem_id":"loadchecking_a"},{"id":29291253,"contest_id":"loadchecking","epoch_second":1644749244,"problem_id":"loadchecking_a"},{"id":29291399,"contest_id":"loadchecking","epoch_second":1644749261,"problem_id":"loadchecking_a"},{"id":29291494,"contest_id":"loadchecking","epoch_second":1644749271,"problem_id":"loadchecking_a"},{"id":29291652,"contest_id":"loadchecking","epoch_second":1644749289,"problem_id":"loadchecking_a"},{"id":29291748,"contest_id":"loadchecking","epoch_second":1644749299,"problem_id":"loadchecking_a"},{"id":29291910,"contest_id":"loadchecking","epoch_second":1644749318,"problem_id":"loadchecking_a"},{"id":29292014,"contest_id":"loadchecking","epoch_second":1644749329,"problem_id":"loadchecking_a"},{"id":29292161,"contest_id":"loadchecking","epoch_second":1644749347,"problem_id":"loadchecking_a"},{"id":29292284,"contest_id":"loadchecking","epoch_second":1644749359,"problem_id":"loadchecking_a"},{"id":29292451,"contest_id":"loadchecking","epoch_second":1644749378,"problem_id":"loadchecking_a"},{"id":29293203,"contest_id":"loadchecking","epoch_second":1644749464,"problem_id":"loadchecking_a"},{"id":29293346,"contest_id":"loadchecking","epoch_second":1644749480,"problem_id":"loadchecking_a"},{"id":29312713,"contest_id":"arc135","epoch_second":1644758591,"problem_id":"arc135_a"},{"id":29327090,"contest_id":"ahc008","epoch_second":1644806786,"problem_id":"ahc008_a"},{"id":29331706,"contest_id":"abc024","epoch_second":1644825349,"problem_id":"abc024_c"},{"id":29340367,"contest_id":"arc132","epoch_second":1644850822,"problem_id":"arc132_b"},{"id":29362140,"contest_id":"abc145","epoch_second":1644973494,"problem_id":"abc145_d"},{"id":29363392,"contest_id":"ahc008","epoch_second":1644981639,"problem_id":"ahc008_a"},{"id":29364628,"contest_id":"ahc008","epoch_second":1644988658,"problem_id":"ahc008_a"},{"id":29365081,"contest_id":"ahc008","epoch_second":1644990690,"problem_id":"ahc008_a"},{"id":29379866,"contest_id":"typical90","epoch_second":1645060634,"problem_id":"typical90_bf"},{"id":29392313,"contest_id":"typical90","epoch_second":1645111031,"problem_id":"typical90_bk"},{"id":29402343,"contest_id":"ahc008","epoch_second":1645173961,"problem_id":"ahc008_a"},{"id":29402833,"contest_id":"ahc008","epoch_second":1645176039,"problem_id":"ahc008_a"},{"id":29408953,"contest_id":"arc118","epoch_second":1645198589,"problem_id":"arc118_c"},{"id":29426247,"contest_id":"abc239","epoch_second":1645272092,"problem_id":"abc239_a"},{"id":29430022,"contest_id":"abc239","epoch_second":1645272207,"problem_id":"abc239_b"},{"id":29436306,"contest_id":"abc239","epoch_second":1645272500,"problem_id":"abc239_c"},{"id":29440183,"contest_id":"abc239","epoch_second":1645272760,"problem_id":"abc239_d"},{"id":29457821,"contest_id":"abc239","epoch_second":1645274897,"problem_id":"abc239_e"},{"id":29479946,"contest_id":"typical90","epoch_second":1645283775,"problem_id":"typical90_u"},{"id":29502429,"contest_id":"abc240","epoch_second":1645358447,"problem_id":"abc240_a"},{"id":29503455,"contest_id":"abc240","epoch_second":1645358497,"problem_id":"abc240_b"},{"id":29514632,"contest_id":"abc240","epoch_second":1645358853,"problem_id":"abc240_c"},{"id":29521980,"contest_id":"abc240","epoch_second":1645359555,"problem_id":"abc240_d"},{"id":29526024,"contest_id":"abc240","epoch_second":1645360142,"problem_id":"abc240_e"},{"id":29538063,"contest_id":"abc240","epoch_second":1645362536,"problem_id":"abc240_f"},{"id":29551433,"contest_id":"abc184","epoch_second":1645369351,"problem_id":"abc184_d"},{"id":29573216,"contest_id":"nikkei2019-2-qual","epoch_second":1645457051,"problem_id":"nikkei2019_2_qual_b"},{"id":29591393,"contest_id":"pakencamp-2019-day4","epoch_second":1645542969,"problem_id":"pakencamp_2019_day4_a"},{"id":29609087,"contest_id":"ahc008","epoch_second":1645624162,"problem_id":"ahc008_a"},{"id":29610597,"contest_id":"pakencamp-2019-day3","epoch_second":1645628658,"problem_id":"pakencamp_2019_day3_a"},{"id":29627513,"contest_id":"math-and-algorithm","epoch_second":1645717664,"problem_id":"math_and_algorithm_a"},{"id":29652366,"contest_id":"ahc008","epoch_second":1645856805,"problem_id":"ahc008_a"},{"id":29660472,"contest_id":"abc241","epoch_second":1645876871,"problem_id":"abc241_a"},{"id":29664325,"contest_id":"abc241","epoch_second":1645877021,"problem_id":"abc241_b"},{"id":29671019,"contest_id":"abc241","epoch_second":1645877391,"problem_id":"abc241_c"},{"id":29703865,"contest_id":"abc241","epoch_second":1645881959,"problem_id":"abc241_d"},{"id":29717648,"contest_id":"past201912-open","epoch_second":1645888568,"problem_id":"past201912_a"},{"id":29758673,"contest_id":"arc136","epoch_second":1645972194,"problem_id":"arc136_a"},{"id":29759791,"contest_id":"abc052","epoch_second":1645974694,"problem_id":"arc067_b"},{"id":29782358,"contest_id":"agc038","epoch_second":1646097695,"problem_id":"agc038_a"},{"id":29796882,"contest_id":"iroha2019-day1","epoch_second":1646148558,"problem_id":"iroha2019_day1_a"},{"id":29813899,"contest_id":"iroha2019-day1","epoch_second":1646234004,"problem_id":"iroha2019_day1_b"},{"id":29830959,"contest_id":"iroha2019-day1","epoch_second":1646321744,"problem_id":"iroha2019_day1_c"},{"id":29846994,"contest_id":"past201912-open","epoch_second":1646406851,"problem_id":"past201912_d"},{"id":29863551,"contest_id":"abc242","epoch_second":1646481738,"problem_id":"abc242_a"},{"id":29864244,"contest_id":"abc242","epoch_second":1646481778,"problem_id":"abc242_b"},{"id":29870354,"contest_id":"abc242","epoch_second":1646482024,"problem_id":"abc242_c"},{"id":29904406,"contest_id":"past201912-open","epoch_second":1646494063,"problem_id":"past201912_e"},{"id":29926714,"contest_id":"past201912-open","epoch_second":1646578806,"problem_id":"past201912_f"},{"id":29943899,"contest_id":"past201912-open","epoch_second":1646666798,"problem_id":"past201912_g"},{"id":29961232,"contest_id":"past201912-open","epoch_second":1646754380,"problem_id":"past201912_h"},{"id":29976127,"contest_id":"past201912-open","epoch_second":1646838002,"problem_id":"past201912_i"},{"id":29993146,"contest_id":"past202004-open","epoch_second":1646925587,"problem_id":"past202004_a"},{"id":30010011,"contest_id":"past202004-open","epoch_second":1647010803,"problem_id":"past202004_b"},{"id":30026319,"contest_id":"abc243","epoch_second":1647086513,"problem_id":"abc243_a"},{"id":30027533,"contest_id":"abc243","epoch_second":1647086590,"problem_id":"abc243_b"},{"id":30037136,"contest_id":"abc243","epoch_second":1647087089,"problem_id":"abc243_c"},{"id":30044659,"contest_id":"abc243","epoch_second":1647087720,"problem_id":"abc243_d"},{"id":30085471,"contest_id":"abc243","epoch_second":1647097320,"problem_id":"abc243_e"},{"id":30093541,"contest_id":"abc243","epoch_second":1647136710,"problem_id":"abc243_e"},{"id":30112754,"contest_id":"past202004-open","epoch_second":1647184139,"problem_id":"past202004_c"},{"id":30133944,"contest_id":"past202004-open","epoch_second":1647273510,"problem_id":"past202004_d"},{"id":30150263,"contest_id":"jag2017autumn","epoch_second":1647349861,"problem_id":"jag2017autumn_a"},{"id":30151261,"contest_id":"jag2017autumn","epoch_second":1647352249,"problem_id":"jag2017autumn_b"},{"id":30152172,"contest_id":"jag2017summer-day3","epoch_second":1647354130,"problem_id":"jag2017summer_day3_a"},{"id":30153204,"contest_id":"past202004-open","epoch_second":1647356402,"problem_id":"past202004_e"},{"id":30173584,"contest_id":"past202004-open","epoch_second":1647446585,"problem_id":"past202004_f"},{"id":30192200,"contest_id":"past202004-open","epoch_second":1647532554,"problem_id":"past202004_g"},{"id":30210776,"contest_id":"past202005-open","epoch_second":1647616141,"problem_id":"past202005_a"},{"id":30239331,"contest_id":"arc137","epoch_second":1647694889,"problem_id":"arc137_a"},{"id":30240507,"contest_id":"arc137","epoch_second":1647695403,"problem_id":"arc137_c"},{"id":30244165,"contest_id":"arc137","epoch_second":1647697229,"problem_id":"arc137_b"},{"id":30249707,"contest_id":"past202010-open","epoch_second":1647704462,"problem_id":"past202010_a"},{"id":30266628,"contest_id":"abc244","epoch_second":1647777627,"problem_id":"abc244_a"},{"id":30271381,"contest_id":"abc244","epoch_second":1647777797,"problem_id":"abc244_b"},{"id":30274260,"contest_id":"abc244","epoch_second":1647777999,"problem_id":"abc244_c"},{"id":30279668,"contest_id":"abc244","epoch_second":1647778470,"problem_id":"abc244_d"},{"id":30299494,"contest_id":"abc244","epoch_second":1647781642,"problem_id":"abc244_e"},{"id":30309860,"contest_id":"abc244","epoch_second":1647788137,"problem_id":"abc244_f"},{"id":30310027,"contest_id":"past202012-open","epoch_second":1647788407,"problem_id":"past202012_a"},{"id":30334799,"contest_id":"past202104-open","epoch_second":1647876971,"problem_id":"past202104_a"},{"id":30354034,"contest_id":"past202107-open","epoch_second":1647961112,"problem_id":"past202107_a"},{"id":30354072,"contest_id":"past202109-open","epoch_second":1647961203,"problem_id":"past202109_a"},{"id":30371617,"contest_id":"past202112-open","epoch_second":1648048128,"problem_id":"past202112_a"},{"id":30384089,"contest_id":"abc019","epoch_second":1648119255,"problem_id":"abc019_4"},{"id":30389327,"contest_id":"past202112-open","epoch_second":1648134030,"problem_id":"past202112_b"},{"id":30405371,"contest_id":"past202109-open","epoch_second":1648220500,"problem_id":"past202109_b"},{"id":30413344,"contest_id":"ahc009","epoch_second":1648275436,"problem_id":"ahc009_a"},{"id":30415424,"contest_id":"ahc009","epoch_second":1648279227,"problem_id":"ahc009_a"},{"id":30416384,"contest_id":"ahc009","epoch_second":1648280592,"problem_id":"ahc009_a"},{"id":30417937,"contest_id":"ahc009","epoch_second":1648282600,"problem_id":"ahc009_a"},{"id":30418658,"contest_id":"ahc009","epoch_second":1648283524,"problem_id":"ahc009_a"},{"id":30420155,"contest_id":"ahc009","epoch_second":1648285316,"problem_id":"ahc009_a"},{"id":30420427,"contest_id":"ahc009","epoch_second":1648285616,"problem_id":"ahc009_a"},{"id":30421330,"contest_id":"ahc009","epoch_second":1648286620,"problem_id":"ahc009_a"},{"id":30422230,"contest_id":"ahc009","epoch_second":1648287559,"problem_id":"ahc009_a"},{"id":30422623,"contest_id":"ahc009","epoch_second":1648287946,"problem_id":"ahc009_a"},{"id":30423048,"contest_id":"ahc009","epoch_second":1648288292,"problem_id":"ahc009_a"},{"id":30426479,"contest_id":"abc245","epoch_second":1648296060,"problem_id":"abc245_a"},{"id":30426890,"contest_id":"abc245","epoch_second":1648296107,"problem_id":"abc245_b"},{"id":30438282,"contest_id":"abc245","epoch_second":1648296545,"problem_id":"abc245_c"},{"id":30468295,"contest_id":"abc245","epoch_second":1648300017,"problem_id":"abc245_d"},{"id":30487649,"contest_id":"past202107-open","epoch_second":1648307611,"problem_id":"past202107_b"},{"id":30496091,"contest_id":"ahc009","epoch_second":1648346672,"problem_id":"ahc009_a"},{"id":30496175,"contest_id":"ahc009","epoch_second":1648346986,"problem_id":"ahc009_a"},{"id":30515363,"contest_id":"past202104-open","epoch_second":1648393350,"problem_id":"past202104_b"},{"id":30521148,"contest_id":"pakencamp-2021-day2","epoch_second":1648430267,"problem_id":"pakencamp_2021_day2_a"},{"id":30521167,"contest_id":"pakencamp-2021-day2","epoch_second":1648430340,"problem_id":"pakencamp_2021_day2_b"},{"id":30521208,"contest_id":"pakencamp-2021-day2","epoch_second":1648430469,"problem_id":"pakencamp_2021_day2_c"},{"id":30521369,"contest_id":"pakencamp-2021-day2","epoch_second":1648431056,"problem_id":"pakencamp_2021_day2_d"},{"id":30521635,"contest_id":"pakencamp-2021-day2","epoch_second":1648431960,"problem_id":"pakencamp_2021_day2_e"},{"id":30521852,"contest_id":"pakencamp-2021-day2","epoch_second":1648432635,"problem_id":"pakencamp_2021_day2_f"},{"id":30522167,"contest_id":"pakencamp-2021-day2","epoch_second":1648433707,"problem_id":"pakencamp_2021_day2_g"},{"id":30522915,"contest_id":"pakencamp-2021-day2","epoch_second":1648436316,"problem_id":"pakencamp_2021_day2_h"},{"id":30536382,"contest_id":"past202012-open","epoch_second":1648479955,"problem_id":"past202012_b"},{"id":30544756,"contest_id":"pakencamp-2021-day3","epoch_second":1648534655,"problem_id":"pakencamp_2021_day3_a"},{"id":30544848,"contest_id":"pakencamp-2021-day3","epoch_second":1648534952,"problem_id":"pakencamp_2021_day3_b"},{"id":30555484,"contest_id":"past202010-open","epoch_second":1648566319,"problem_id":"past202010_b"},{"id":30561166,"contest_id":"intro-heuristics","epoch_second":1648605427,"problem_id":"intro_heuristics_b"},{"id":30561278,"contest_id":"intro-heuristics","epoch_second":1648605890,"problem_id":"intro_heuristics_c"},{"id":30561845,"contest_id":"intro-heuristics","epoch_second":1648608096,"problem_id":"intro_heuristics_a"},{"id":30561954,"contest_id":"intro-heuristics","epoch_second":1648608608,"problem_id":"intro_heuristics_a"},{"id":30562081,"contest_id":"intro-heuristics","epoch_second":1648609236,"problem_id":"intro_heuristics_a"},{"id":30562185,"contest_id":"intro-heuristics","epoch_second":1648609815,"problem_id":"intro_heuristics_a"},{"id":30562347,"contest_id":"intro-heuristics","epoch_second":1648610593,"problem_id":"intro_heuristics_a"},{"id":30562599,"contest_id":"intro-heuristics","epoch_second":1648611714,"problem_id":"intro_heuristics_a"},{"id":30562653,"contest_id":"intro-heuristics","epoch_second":1648612132,"problem_id":"intro_heuristics_a"},{"id":30576926,"contest_id":"past202005-open","epoch_second":1648655382,"problem_id":"past202005_b"},{"id":30594323,"contest_id":"past202005-open","epoch_second":1648739020,"problem_id":"past202005_c"},{"id":30600294,"contest_id":"chokudai004","epoch_second":1648777647,"problem_id":"chokudai004_a"},{"id":30600436,"contest_id":"chokudai004","epoch_second":1648778781,"problem_id":"chokudai004_a"},{"id":30600490,"contest_id":"chokudai004","epoch_second":1648779130,"problem_id":"chokudai004_a"},{"id":30600603,"contest_id":"chokudai004","epoch_second":1648780000,"problem_id":"chokudai004_a"},{"id":30611278,"contest_id":"past202010-open","epoch_second":1648825743,"problem_id":"past202010_c"},{"id":30634682,"contest_id":"abc246","epoch_second":1648901454,"problem_id":"abc246_a"},{"id":30636430,"contest_id":"abc246","epoch_second":1648901590,"problem_id":"abc246_b"},{"id":30642412,"contest_id":"abc246","epoch_second":1648902178,"problem_id":"abc246_c"},{"id":30649179,"contest_id":"abc246","epoch_second":1648903101,"problem_id":"abc246_d"},{"id":30684660,"contest_id":"past202012-open","epoch_second":1648945441,"problem_id":"past202012_c"},{"id":30684739,"contest_id":"past202012-open","epoch_second":1648945920,"problem_id":"past202012_c"},{"id":30707584,"contest_id":"past202104-open","epoch_second":1648999205,"problem_id":"past202104_c"},{"id":30726379,"contest_id":"past202107-open","epoch_second":1649085234,"problem_id":"past202107_c"},{"id":30743512,"contest_id":"past202109-open","epoch_second":1649171246,"problem_id":"past202109_c"},{"id":30761838,"contest_id":"past202112-open","epoch_second":1649258765,"problem_id":"past202112_c"},{"id":30778965,"contest_id":"past202005-open","epoch_second":1649345554,"problem_id":"past202005_d"},{"id":30794543,"contest_id":"past202010-open","epoch_second":1649430788,"problem_id":"past202010_d"},{"id":30816416,"contest_id":"arc138","epoch_second":1649508846,"problem_id":"arc138_a"},{"id":30828974,"contest_id":"arc138","epoch_second":1649516475,"problem_id":"arc138_b"},{"id":30846741,"contest_id":"abc247","epoch_second":1649592052,"problem_id":"abc247_a"},{"id":30858970,"contest_id":"abc247","epoch_second":1649592893,"problem_id":"abc247_c"},{"id":30861323,"contest_id":"abc247","epoch_second":1649593095,"problem_id":"abc247_d"},{"id":30868200,"contest_id":"abc247","epoch_second":1649593801,"problem_id":"abc247_b"},{"id":30896411,"contest_id":"abc247","epoch_second":1649602889,"problem_id":"abc247_e"},{"id":30915891,"contest_id":"abc172","epoch_second":1649685450,"problem_id":"abc172_d"},{"id":30917415,"contest_id":"past202012-open","epoch_second":1649689341,"problem_id":"past202012_d"},{"id":30934922,"contest_id":"past202104-open","epoch_second":1649776846,"problem_id":"past202104_d"},{"id":30940320,"contest_id":"math-and-algorithm","epoch_second":1649819953,"problem_id":"math_and_algorithm_b"},{"id":30940329,"contest_id":"math-and-algorithm","epoch_second":1649819996,"problem_id":"math_and_algorithm_c"},{"id":30940334,"contest_id":"math-and-algorithm","epoch_second":1649820031,"problem_id":"math_and_algorithm_d"},{"id":30940348,"contest_id":"math-and-algorithm","epoch_second":1649820103,"problem_id":"math_and_algorithm_e"},{"id":30940354,"contest_id":"math-and-algorithm","epoch_second":1649820139,"problem_id":"math_and_algorithm_f"},{"id":30940367,"contest_id":"math-and-algorithm","epoch_second":1649820219,"problem_id":"math_and_algorithm_g"},{"id":30940386,"contest_id":"math-and-algorithm","epoch_second":1649820366,"problem_id":"math_and_algorithm_h"},{"id":30940446,"contest_id":"math-and-algorithm","epoch_second":1649820689,"problem_id":"math_and_algorithm_i"},{"id":30940462,"contest_id":"math-and-algorithm","epoch_second":1649820778,"problem_id":"math_and_algorithm_j"},{"id":30940512,"contest_id":"math-and-algorithm","epoch_second":1649821039,"problem_id":"math_and_algorithm_k"},{"id":30940544,"contest_id":"math-and-algorithm","epoch_second":1649821223,"problem_id":"math_and_algorithm_l"},{"id":30940592,"contest_id":"math-and-algorithm","epoch_second":1649821408,"problem_id":"math_and_algorithm_m"},{"id":30951532,"contest_id":"past202107-open","epoch_second":1649862283,"problem_id":"past202107_d"},{"id":30954576,"contest_id":"math-and-algorithm","epoch_second":1649896445,"problem_id":"math_and_algorithm_n"},{"id":30954588,"contest_id":"math-and-algorithm","epoch_second":1649896508,"problem_id":"math_and_algorithm_o"},{"id":30954638,"contest_id":"math-and-algorithm","epoch_second":1649896848,"problem_id":"math_and_algorithm_p"},{"id":30954653,"contest_id":"math-and-algorithm","epoch_second":1649896912,"problem_id":"math_and_algorithm_q"},{"id":30954682,"contest_id":"math-and-algorithm","epoch_second":1649897076,"problem_id":"math_and_algorithm_r"},{"id":30954708,"contest_id":"math-and-algorithm","epoch_second":1649897241,"problem_id":"math_and_algorithm_s"},{"id":30954878,"contest_id":"math-and-algorithm","epoch_second":1649898242,"problem_id":"math_and_algorithm_t"},{"id":30954927,"contest_id":"math-and-algorithm","epoch_second":1649898514,"problem_id":"math_and_algorithm_u"},{"id":30955114,"contest_id":"math-and-algorithm","epoch_second":1649899730,"problem_id":"math_and_algorithm_v"},{"id":30955137,"contest_id":"math-and-algorithm","epoch_second":1649899847,"problem_id":"math_and_algorithm_w"},{"id":30955145,"contest_id":"math-and-algorithm","epoch_second":1649899941,"problem_id":"math_and_algorithm_x"},{"id":30955173,"contest_id":"math-and-algorithm","epoch_second":1649900100,"problem_id":"math_and_algorithm_y"},{"id":30955784,"contest_id":"math-and-algorithm","epoch_second":1649903827,"problem_id":"math_and_algorithm_z"},{"id":30955847,"contest_id":"math-and-algorithm","epoch_second":1649904113,"problem_id":"math_and_algorithm_aa"},{"id":30955909,"contest_id":"math-and-algorithm","epoch_second":1649904414,"problem_id":"dp_a"},{"id":30959872,"contest_id":"math-and-algorithm","epoch_second":1649920763,"problem_id":"math_and_algorithm_ab"},{"id":30960325,"contest_id":"math-and-algorithm","epoch_second":1649922142,"problem_id":"dp_d"},{"id":30960640,"contest_id":"math-and-algorithm","epoch_second":1649922936,"problem_id":"math_and_algorithm_ac"},{"id":30960728,"contest_id":"math-and-algorithm","epoch_second":1649923133,"problem_id":"math_and_algorithm_ad"},{"id":30972926,"contest_id":"past202109-open","epoch_second":1649985616,"problem_id":"past202109_d"},{"id":31002994,"contest_id":"abc248","epoch_second":1650110473,"problem_id":"abc248_a"},{"id":31007235,"contest_id":"abc248","epoch_second":1650110613,"problem_id":"abc248_b"},{"id":31015478,"contest_id":"abc248","epoch_second":1650111096,"problem_id":"abc248_c"},{"id":31019340,"contest_id":"abc248","epoch_second":1650111520,"problem_id":"abc248_d"},{"id":31035053,"contest_id":"abc248","epoch_second":1650114515,"problem_id":"abc248_e"},{"id":31062646,"contest_id":"past202112-open","epoch_second":1650183364,"problem_id":"past202112_d"},{"id":31071078,"contest_id":"past202005-open","epoch_second":1650208881,"problem_id":"past202005_e"},{"id":31088987,"contest_id":"past202010-open","epoch_second":1650295387,"problem_id":"past202010_e"},{"id":31105629,"contest_id":"past202104-open","epoch_second":1650382231,"problem_id":"past202104_e"},{"id":31122750,"contest_id":"past202107-open","epoch_second":1650472123,"problem_id":"past202107_e"},{"id":31148869,"contest_id":"past202109-open","epoch_second":1650609392,"problem_id":"past202109_e"},{"id":31160100,"contest_id":"past202112-open","epoch_second":1650644802,"problem_id":"past202112_e"},{"id":31176779,"contest_id":"abc249","epoch_second":1650715657,"problem_id":"abc249_a"},{"id":31178079,"contest_id":"abc249","epoch_second":1650715767,"problem_id":"abc249_b"},{"id":31180274,"contest_id":"abc249","epoch_second":1650715932,"problem_id":"abc249_c"},{"id":31188842,"contest_id":"abc249","epoch_second":1650716723,"problem_id":"abc249_d"},{"id":31215762,"contest_id":"past202012-open","epoch_second":1650728547,"problem_id":"past202012_e"},{"id":31225585,"contest_id":"ahc010","epoch_second":1650780352,"problem_id":"ahc010_a"},{"id":31226400,"contest_id":"ahc010","epoch_second":1650782219,"problem_id":"ahc010_a"},{"id":31227782,"contest_id":"ahc010","epoch_second":1650784999,"problem_id":"ahc010_a"},{"id":31228124,"contest_id":"ahc010","epoch_second":1650785631,"problem_id":"ahc010_a"},{"id":31228547,"contest_id":"ahc010","epoch_second":1650786380,"problem_id":"ahc010_a"},{"id":31229296,"contest_id":"ahc010","epoch_second":1650787582,"problem_id":"ahc010_a"},{"id":31230437,"contest_id":"ahc010","epoch_second":1650789339,"problem_id":"ahc010_a"},{"id":31230735,"contest_id":"ahc010","epoch_second":1650789821,"problem_id":"ahc010_a"},{"id":31231096,"contest_id":"ahc010","epoch_second":1650790369,"problem_id":"ahc010_a"},{"id":31231461,"contest_id":"ahc010","epoch_second":1650790918,"problem_id":"ahc010_a"},{"id":31231679,"contest_id":"ahc010","epoch_second":1650791272,"problem_id":"ahc010_a"},{"id":31233508,"contest_id":"ahc010","epoch_second":1650793800,"problem_id":"ahc010_a"},{"id":31233871,"contest_id":"ahc010","epoch_second":1650794173,"problem_id":"ahc010_a"},{"id":31250474,"contest_id":"past202005-open","epoch_second":1650814591,"problem_id":"past202005_f"},{"id":31256919,"contest_id":"abc125","epoch_second":1650858045,"problem_id":"abc125_c"},{"id":31259217,"contest_id":"abc014","epoch_second":1650866272,"problem_id":"abc014_3"},{"id":31259418,"contest_id":"abc035","epoch_second":1650866902,"problem_id":"abc035_c"},{"id":31259549,"contest_id":"abc038","epoch_second":1650867351,"problem_id":"abc038_c"},{"id":31259681,"contest_id":"abc040","epoch_second":1650867821,"problem_id":"abc040_c"},{"id":31260937,"contest_id":"abc030","epoch_second":1650870649,"problem_id":"abc030_c"},{"id":31270555,"contest_id":"past202010-open","epoch_second":1650900138,"problem_id":"past202010_f"},{"id":31284171,"contest_id":"APG4b","epoch_second":1650966702,"problem_id":"APG4b_a"},{"id":31291409,"contest_id":"past202012-open","epoch_second":1650988453,"problem_id":"past202012_f"},{"id":31310388,"contest_id":"past202104-open","epoch_second":1651076701,"problem_id":"past202104_f"},{"id":31329219,"contest_id":"past202107-open","epoch_second":1651164939,"problem_id":"past202107_f"},{"id":31336311,"contest_id":"dp","epoch_second":1651208835,"problem_id":"dp_b"},{"id":31354497,"contest_id":"past202109-open","epoch_second":1651286245,"problem_id":"past202109_f"},{"id":31368643,"contest_id":"past202112-open","epoch_second":1651332217,"problem_id":"past202112_f"},{"id":31387375,"contest_id":"past202005-open","epoch_second":1651422323,"problem_id":"past202005_g"},{"id":31404529,"contest_id":"past202010-open","epoch_second":1651508280,"problem_id":"past202010_g"},{"id":31409729,"contest_id":"nadafes2022_day1","epoch_second":1651550804,"problem_id":"nadafes2022_day1_a"},{"id":31410416,"contest_id":"nadafes2022_day1","epoch_second":1651552424,"problem_id":"nadafes2022_day1_b"},{"id":31421304,"contest_id":"past202012-open","epoch_second":1651590034,"problem_id":"past202012_g"},{"id":31441149,"contest_id":"past202104-open","epoch_second":1651680853,"problem_id":"past202104_g"},{"id":31458066,"contest_id":"past202107-open","epoch_second":1651764558,"problem_id":"past202107_g"},{"id":31496418,"contest_id":"joi2022yo1b","epoch_second":1651934418,"problem_id":"joi2022_yo1b_a"},{"id":31497504,"contest_id":"past202112-open","epoch_second":1651935606,"problem_id":"past202112_g"},{"id":31514089,"contest_id":"abc250","epoch_second":1652011274,"problem_id":"abc250_a"},{"id":31517712,"contest_id":"abc250","epoch_second":1652011594,"problem_id":"abc250_b"},{"id":31520482,"contest_id":"abc250","epoch_second":1652011862,"problem_id":"abc250_c"},{"id":31528672,"contest_id":"abc250","epoch_second":1652012964,"problem_id":"abc250_d"},{"id":31534510,"contest_id":"abc250","epoch_second":1652014099,"problem_id":"abc250_e"},{"id":31554047,"contest_id":"past202109-open","epoch_second":1652022996,"problem_id":"past202109_g"},{"id":31572306,"contest_id":"abc167","epoch_second":1652102888,"problem_id":"abc167_b"},{"id":31575016,"contest_id":"abc099","epoch_second":1652111448,"problem_id":"abc099_c"},{"id":31592403,"contest_id":"abc107","epoch_second":1652196509,"problem_id":"arc101_a"},{"id":31608741,"contest_id":"judge-update-202004","epoch_second":1652282388,"problem_id":"judge_update_202004_a"},{"id":31625316,"contest_id":"joi2022yo1c","epoch_second":1652369443,"problem_id":"joi2022_yo1c_a"},{"id":31648713,"contest_id":"abc112","epoch_second":1652512053,"problem_id":"abc112_c"},{"id":31654180,"contest_id":"abc251","epoch_second":1652529644,"problem_id":"abc251_a"},{"id":31668351,"contest_id":"abc251","epoch_second":1652530719,"problem_id":"abc251_c"},{"id":31669165,"contest_id":"abc251","epoch_second":1652530829,"problem_id":"abc251_b"},{"id":31682379,"contest_id":"abc251","epoch_second":1652533429,"problem_id":"abc251_d"},{"id":31697858,"contest_id":"abc251","epoch_second":1652543000,"problem_id":"abc251_e"},{"id":31732789,"contest_id":"abc110","epoch_second":1652630060,"problem_id":"abc110_c"},{"id":31751959,"contest_id":"caddi2018b","epoch_second":1652714504,"problem_id":"caddi2018_b"},{"id":31769777,"contest_id":"joi2021yo1c","epoch_second":1652800966,"problem_id":"joi2021_yo1c_a"},{"id":31782491,"contest_id":"APG4b","epoch_second":1652870989,"problem_id":"APG4b_cm"},{"id":31787289,"contest_id":"abc170","epoch_second":1652886706,"problem_id":"abc170_d"},{"id":31803337,"contest_id":"iroha2019-day3","epoch_second":1652972410,"problem_id":"iroha2019_day3_j"},{"id":31832567,"contest_id":"abc252","epoch_second":1653134427,"problem_id":"abc252_a"},{"id":31837746,"contest_id":"abc252","epoch_second":1653134584,"problem_id":"abc252_b"},{"id":31846892,"contest_id":"abc252","epoch_second":1653135209,"problem_id":"abc252_c"},{"id":31859625,"contest_id":"abc252","epoch_second":1653137022,"problem_id":"abc252_d"},{"id":31869722,"contest_id":"abc252","epoch_second":1653139112,"problem_id":"abc252_e"},{"id":31881554,"contest_id":"abc252","epoch_second":1653145666,"problem_id":"abc252_f"},{"id":31902212,"contest_id":"abc252","epoch_second":1653227702,"problem_id":"abc252_e"},{"id":31903933,"contest_id":"arc139","epoch_second":1653233805,"problem_id":"arc139_a"},{"id":31921952,"contest_id":"arc140","epoch_second":1653318846,"problem_id":"arc140_a"},{"id":31937906,"contest_id":"abc204","epoch_second":1653404788,"problem_id":"abc204_d"},{"id":31953661,"contest_id":"agc005","epoch_second":1653493799,"problem_id":"agc005_a"},{"id":31971079,"contest_id":"arc112","epoch_second":1653614389,"problem_id":"arc112_b"},{"id":31996384,"contest_id":"ahc011","epoch_second":1653737741,"problem_id":"ahc011_a"},{"id":32019472,"contest_id":"abc253","epoch_second":1653740519,"problem_id":"abc253_a"},{"id":32020706,"contest_id":"abc253","epoch_second":1653740635,"problem_id":"abc253_b"},{"id":32022253,"contest_id":"abc253","epoch_second":1653740786,"problem_id":"abc253_c"},{"id":32056393,"contest_id":"abc253","epoch_second":1653745315,"problem_id":"abc253_d"},{"id":32056983,"contest_id":"abc253","epoch_second":1653745494,"problem_id":"abc253_e"},{"id":32061993,"contest_id":"ahc011","epoch_second":1653748726,"problem_id":"ahc011_a"},{"id":32064948,"contest_id":"ahc011","epoch_second":1653754531,"problem_id":"ahc011_a"},{"id":32095984,"contest_id":"pakencamp-2019-day3","epoch_second":1653835594,"problem_id":"pakencamp_2019_day3_b"},{"id":32097202,"contest_id":"njpc2017","epoch_second":1653839488,"problem_id":"njpc2017_a"},{"id":32116428,"contest_id":"ahc011","epoch_second":1653926300,"problem_id":"ahc011_a"},{"id":32124240,"contest_id":"ahc011","epoch_second":1653979046,"problem_id":"ahc011_a"},{"id":32125717,"contest_id":"ahc011","epoch_second":1653984331,"problem_id":"ahc011_a"},{"id":32127823,"contest_id":"ahc011","epoch_second":1653992182,"problem_id":"ahc011_a"},{"id":32128301,"contest_id":"ahc011","epoch_second":1653993982,"problem_id":"ahc011_a"},{"id":32128792,"contest_id":"ahc011","epoch_second":1653995789,"problem_id":"ahc011_a"},{"id":32129329,"contest_id":"ahc011","epoch_second":1653997620,"problem_id":"ahc011_a"},{"id":32133298,"contest_id":"chokudai002","epoch_second":1654009162,"problem_id":"chokudai002_a"},{"id":32133448,"contest_id":"typical90","epoch_second":1654009682,"problem_id":"typical90_ad"},{"id":32138264,"contest_id":"ahc011","epoch_second":1654054071,"problem_id":"ahc011_a"},{"id":32138546,"contest_id":"ahc011","epoch_second":1654055871,"problem_id":"ahc011_a"},{"id":32139427,"contest_id":"ahc011","epoch_second":1654059275,"problem_id":"ahc011_a"},{"id":32145068,"contest_id":"ahc011","epoch_second":1654082348,"problem_id":"ahc011_a"},{"id":32148436,"contest_id":"ahc011","epoch_second":1654093594,"problem_id":"ahc011_a"},{"id":32150005,"contest_id":"tricky","epoch_second":1654100448,"problem_id":"tricky_1"},{"id":32153922,"contest_id":"ahc011","epoch_second":1654138336,"problem_id":"ahc011_a"},{"id":32166105,"contest_id":"arc051","epoch_second":1654182248,"problem_id":"arc051_b"},{"id":32183975,"contest_id":"code-festival-2015-relay","epoch_second":1654274234,"problem_id":"cf_2015_relay_a"},{"id":32184573,"contest_id":"ahc011","epoch_second":1654277481,"problem_id":"ahc011_a"},{"id":32210018,"contest_id":"abc254","epoch_second":1654344527,"problem_id":"abc254_a"},{"id":32212186,"contest_id":"abc254","epoch_second":1654344695,"problem_id":"abc254_b"},{"id":32217532,"contest_id":"abc254","epoch_second":1654345224,"problem_id":"abc254_c"},{"id":32247345,"contest_id":"abc254","epoch_second":1654352104,"problem_id":"abc254_e"},{"id":32248777,"contest_id":"ahc011","epoch_second":1654353843,"problem_id":"ahc011_a"},{"id":32249709,"contest_id":"abc254","epoch_second":1654355325,"problem_id":"abc254_d"},{"id":32274710,"contest_id":"abc126","epoch_second":1654442071,"problem_id":"abc126_e"},{"id":32292813,"contest_id":"abc147","epoch_second":1654528602,"problem_id":"abc147_c"},{"id":32309555,"contest_id":"abc125","epoch_second":1654616610,"problem_id":"abc125_d"},{"id":32325087,"contest_id":"abc097","epoch_second":1654700880,"problem_id":"arc097_b"},{"id":32341032,"contest_id":"abc084","epoch_second":1654788048,"problem_id":"abc084_d"},{"id":32358226,"contest_id":"abc194","epoch_second":1654873895,"problem_id":"abc194_d"},{"id":32373353,"contest_id":"abc255","epoch_second":1654948893,"problem_id":"abc255_a"},{"id":32385623,"contest_id":"abc255","epoch_second":1654950176,"problem_id":"abc255_b"},{"id":32404122,"contest_id":"abc255","epoch_second":1654952976,"problem_id":"abc255_c"},{"id":32419208,"contest_id":"abc255","epoch_second":1654956882,"problem_id":"abc255_d"},{"id":32421266,"contest_id":"abc255","epoch_second":1654959740,"problem_id":"abc255_e"},{"id":32443948,"contest_id":"abc012","epoch_second":1655053079,"problem_id":"abc012_4"},{"id":32459229,"contest_id":"arc048","epoch_second":1655133572,"problem_id":"arc048_b"},{"id":32466230,"contest_id":"abc242","epoch_second":1655185199,"problem_id":"abc242_d"},{"id":32475882,"contest_id":"joi2021yo1a","epoch_second":1655219491,"problem_id":"joi2021_yo1a_a"},{"id":32491119,"contest_id":"pakencamp-2020-day2","epoch_second":1655305535,"problem_id":"pakencamp_2020_day2_a"},{"id":32507526,"contest_id":"practice2","epoch_second":1655393447,"problem_id":"practice2_j"},{"id":32523040,"contest_id":"nikkei2019-ex","epoch_second":1655485893,"problem_id":"nikkei2019ex_a"},{"id":32537240,"contest_id":"abc256","epoch_second":1655553652,"problem_id":"abc256_a"},{"id":32543847,"contest_id":"abc256","epoch_second":1655554043,"problem_id":"abc256_b"},{"id":32548744,"contest_id":"abc256","epoch_second":1655554601,"problem_id":"abc256_c"},{"id":32550869,"contest_id":"abc256","epoch_second":1655554898,"problem_id":"abc256_d"},{"id":32556494,"contest_id":"abc256","epoch_second":1655555882,"problem_id":"abc256_e"},{"id":32576116,"contest_id":"abc256","epoch_second":1655565838,"problem_id":"abc256_f"},{"id":32611951,"contest_id":"arc142","epoch_second":1655652144,"problem_id":"arc142_a"},{"id":32629504,"contest_id":"arc142","epoch_second":1655737476,"problem_id":"arc142_b"},{"id":32646414,"contest_id":"abc152","epoch_second":1655824289,"problem_id":"abc152_e"},{"id":32662460,"contest_id":"abc169","epoch_second":1655910018,"problem_id":"abc169_e"},{"id":32679510,"contest_id":"abc120","epoch_second":1655999565,"problem_id":"abc120_d"},{"id":32694149,"contest_id":"abc185","epoch_second":1656084234,"problem_id":"abc185_f"},{"id":32707138,"contest_id":"abc257","epoch_second":1656158476,"problem_id":"abc257_a"},{"id":32712237,"contest_id":"abc257","epoch_second":1656158754,"problem_id":"abc257_b"},{"id":32736932,"contest_id":"abc257","epoch_second":1656162210,"problem_id":"abc257_c"},{"id":32755489,"contest_id":"abc257","epoch_second":1656169987,"problem_id":"abc257_d"},{"id":32774495,"contest_id":"arc143","epoch_second":1656246127,"problem_id":"arc143_a"},{"id":32783954,"contest_id":"abc105","epoch_second":1656255605,"problem_id":"abc105_c"},{"id":32788174,"contest_id":"abc191","epoch_second":1656291112,"problem_id":"abc191_b"},{"id":32803476,"contest_id":"abc214","epoch_second":1656344443,"problem_id":"abc214_d"},{"id":32811956,"contest_id":"arc126","epoch_second":1656397629,"problem_id":"arc126_a"},{"id":32812084,"contest_id":"arc126","epoch_second":1656398025,"problem_id":"arc126_a"},{"id":32821033,"contest_id":"code-festival-2014-final","epoch_second":1656429393,"problem_id":"code_festival_final_e"},{"id":32837922,"contest_id":"arc020","epoch_second":1656515158,"problem_id":"arc020_2"},{"id":32855202,"contest_id":"abc112","epoch_second":1656602971,"problem_id":"abc112_d"},{"id":32872093,"contest_id":"abc153","epoch_second":1656688188,"problem_id":"abc153_e"},{"id":32885990,"contest_id":"abc258","epoch_second":1656763265,"problem_id":"abc258_a"},{"id":32893759,"contest_id":"abc258","epoch_second":1656763708,"problem_id":"abc258_b"},{"id":32903527,"contest_id":"abc258","epoch_second":1656764814,"problem_id":"abc258_c"},{"id":32923230,"contest_id":"abc258","epoch_second":1656767718,"problem_id":"abc258_d"},{"id":32924096,"contest_id":"abc258","epoch_second":1656767866,"problem_id":"abc258_e"},{"id":32935301,"contest_id":"abc258","epoch_second":1656770001,"problem_id":"abc258_d"},{"id":32942674,"contest_id":"abc258","epoch_second":1656777988,"problem_id":"abc258_g"},{"id":32943738,"contest_id":"abc258","epoch_second":1656780792,"problem_id":"abc258_g"},{"id":32953804,"contest_id":"ahc012","epoch_second":1656830111,"problem_id":"ahc012_a"},{"id":32954089,"contest_id":"ahc012","epoch_second":1656830506,"problem_id":"ahc012_a"},{"id":32954428,"contest_id":"ahc012","epoch_second":1656831012,"problem_id":"ahc012_a"},{"id":32954833,"contest_id":"ahc012","epoch_second":1656831620,"problem_id":"ahc012_a"},{"id":32955058,"contest_id":"ahc012","epoch_second":1656831940,"problem_id":"ahc012_a"},{"id":32969530,"contest_id":"arc006","epoch_second":1656860022,"problem_id":"arc006_3"},{"id":32969725,"contest_id":"abc039","epoch_second":1656860610,"problem_id":"abc039_d"},{"id":32982895,"contest_id":"APG4b","epoch_second":1656930668,"problem_id":"APG4b_bz"},{"id":32983015,"contest_id":"APG4b","epoch_second":1656931279,"problem_id":"APG4b_bz"},{"id":32983220,"contest_id":"abc253","epoch_second":1656932188,"problem_id":"abc253_c"},{"id":32987202,"contest_id":"abc219","epoch_second":1656945393,"problem_id":"abc219_c"},{"id":32987378,"contest_id":"abc211","epoch_second":1656946178,"problem_id":"abc211_b"},{"id":32987405,"contest_id":"abc211","epoch_second":1656946287,"problem_id":"abc211_b"},{"id":32987787,"contest_id":"abc193","epoch_second":1656947755,"problem_id":"abc193_c"},{"id":32987903,"contest_id":"abc114","epoch_second":1656948267,"problem_id":"abc114_c"},{"id":33006090,"contest_id":"abc152","epoch_second":1657033270,"problem_id":"abc152_d"},{"id":33024898,"contest_id":"arc041","epoch_second":1657120927,"problem_id":"arc041_b"},{"id":33044681,"contest_id":"abc216","epoch_second":1657209757,"problem_id":"abc216_d"},{"id":33073082,"contest_id":"abc259","epoch_second":1657368112,"problem_id":"abc259_a"},{"id":33076428,"contest_id":"abc259","epoch_second":1657368384,"problem_id":"abc259_b"},{"id":33083954,"contest_id":"abc259","epoch_second":1657369059,"problem_id":"abc259_c"},{"id":33088715,"contest_id":"abc259","epoch_second":1657369565,"problem_id":"abc259_d"},{"id":33115841,"contest_id":"abc259","epoch_second":1657373193,"problem_id":"abc259_e"},{"id":33130575,"contest_id":"abc166","epoch_second":1657380380,"problem_id":"abc166_e"},{"id":33143353,"contest_id":"APG4b","epoch_second":1657439588,"problem_id":"APG4b_ca"},{"id":33143445,"contest_id":"APG4b","epoch_second":1657439859,"problem_id":"APG4b_ca"},{"id":33151828,"contest_id":"abc178","epoch_second":1657471110,"problem_id":"abc178_e"},{"id":33171497,"contest_id":"abc191","epoch_second":1657553734,"problem_id":"abc191_c"},{"id":33183980,"contest_id":"abc259","epoch_second":1657617572,"problem_id":"abc259_a"},{"id":33190420,"contest_id":"abc075","epoch_second":1657639401,"problem_id":"abc075_c"},{"id":33208284,"contest_id":"abc160","epoch_second":1657724441,"problem_id":"abc160_e"},{"id":33218817,"contest_id":"abc045","epoch_second":1657790221,"problem_id":"abc045_a"},{"id":33218892,"contest_id":"abc254","epoch_second":1657790533,"problem_id":"abc254_b"},{"id":33219044,"contest_id":"caddi2018b","epoch_second":1657791060,"problem_id":"caddi2018b_b"},{"id":33219057,"contest_id":"abc028","epoch_second":1657791118,"problem_id":"abc028_a"},{"id":33219111,"contest_id":"abc136","epoch_second":1657791351,"problem_id":"abc136_c"},{"id":33219145,"contest_id":"abc128","epoch_second":1657791476,"problem_id":"abc128_b"},{"id":33219182,"contest_id":"abc253","epoch_second":1657791598,"problem_id":"abc253_c"},{"id":33219353,"contest_id":"arc115","epoch_second":1657792310,"problem_id":"arc115_b"},{"id":33219527,"contest_id":"abc234","epoch_second":1657792994,"problem_id":"abc234_e"},{"id":33220090,"contest_id":"arc119","epoch_second":1657795329,"problem_id":"arc119_b"},{"id":33220474,"contest_id":"abc136","epoch_second":1657796896,"problem_id":"abc136_c"},{"id":33231590,"contest_id":"abc218","epoch_second":1657856351,"problem_id":"abc218_c"},{"id":33243859,"contest_id":"abc161","epoch_second":1657898375,"problem_id":"abc161_d"},{"id":33270159,"contest_id":"arc144","epoch_second":1657977671,"problem_id":"arc144_a"},{"id":33275755,"contest_id":"arc144","epoch_second":1657983603,"problem_id":"arc144_b"},{"id":33291086,"contest_id":"abc260","epoch_second":1658059286,"problem_id":"abc260_a"},{"id":33299644,"contest_id":"abc260","epoch_second":1658060071,"problem_id":"abc260_b"},{"id":33308868,"contest_id":"abc260","epoch_second":1658061874,"problem_id":"abc260_c"},{"id":33312882,"contest_id":"abc260","epoch_second":1658062980,"problem_id":"abc260_d"},{"id":33320908,"contest_id":"abc260","epoch_second":1658065177,"problem_id":"abc260_e"},{"id":33326379,"contest_id":"abc257","epoch_second":1658072513,"problem_id":"abc257_e"},{"id":33348674,"contest_id":"code-festival-2016-quala","epoch_second":1658161199,"problem_id":"codefestival_2016_qualA_c"},{"id":33357577,"contest_id":"practice2","epoch_second":1658215008,"problem_id":"practice2_a"},{"id":33357863,"contest_id":"atc002","epoch_second":1658215906,"problem_id":"atc002_b"},{"id":33358247,"contest_id":"atc002","epoch_second":1658217037,"problem_id":"atc002_b"},{"id":33358614,"contest_id":"atc002","epoch_second":1658218223,"problem_id":"atc002_b"},{"id":33366740,"contest_id":"abc219","epoch_second":1658245051,"problem_id":"abc219_d"},{"id":33383079,"contest_id":"abc102","epoch_second":1658330576,"problem_id":"arc100_a"},{"id":33392762,"contest_id":"abc151","epoch_second":1658395225,"problem_id":"abc151_a"},{"id":33392766,"contest_id":"code-formula-2014-final","epoch_second":1658395243,"problem_id":"code_formula_2014_final_a"},{"id":33392824,"contest_id":"tenka1-2013-quala","epoch_second":1658395477,"problem_id":"tenka1_2013_qualA_a"},{"id":33392832,"contest_id":"abc148","epoch_second":1658395516,"problem_id":"abc148_a"},{"id":33392904,"contest_id":"abc131","epoch_second":1658395823,"problem_id":"abc131_b"},{"id":33392919,"contest_id":"tenka1-2012-qualB","epoch_second":1658395891,"problem_id":"tenka1_2012_5"},{"id":33392957,"contest_id":"code-festival-2014-final","epoch_second":1658396018,"problem_id":"code_festival_final_b"},{"id":33393284,"contest_id":"agc039","epoch_second":1658397185,"problem_id":"agc039_a"},{"id":33393374,"contest_id":"abc117","epoch_second":1658397478,"problem_id":"abc117_c"},{"id":33393584,"contest_id":"abc107","epoch_second":1658398261,"problem_id":"arc101_a"},{"id":33393673,"contest_id":"arc018","epoch_second":1658398626,"problem_id":"arc018_2"},{"id":33398972,"contest_id":"abc020","epoch_second":1658418958,"problem_id":"abc020_c"},{"id":33415086,"contest_id":"arc004","epoch_second":1658502950,"problem_id":"arc004_2"},{"id":33458201,"contest_id":"abc261","epoch_second":1658579817,"problem_id":"abc261_a"},{"id":33459270,"contest_id":"abc261","epoch_second":1658579984,"problem_id":"abc261_b"},{"id":33459945,"contest_id":"abc261","epoch_second":1658580103,"problem_id":"abc261_c"},{"id":33462944,"contest_id":"abc261","epoch_second":1658580662,"problem_id":"abc261_d"},{"id":33468288,"contest_id":"abc261","epoch_second":1658581913,"problem_id":"abc261_f"},{"id":33481349,"contest_id":"abc261","epoch_second":1658592504,"problem_id":"abc261_e"},{"id":33485741,"contest_id":"abc261","epoch_second":1658623829,"problem_id":"abc261_d"},{"id":33502114,"contest_id":"arc017","epoch_second":1658675456,"problem_id":"arc017_2"},{"id":33521643,"contest_id":"chokudai_S002","epoch_second":1658766373,"problem_id":"chokudai_S002_a"},{"id":33538513,"contest_id":"abc077","epoch_second":1658848535,"problem_id":"arc084_a"},{"id":33538523,"contest_id":"abc077","epoch_second":1658848566,"problem_id":"arc084_a"},{"id":33538544,"contest_id":"abc077","epoch_second":1658848672,"problem_id":"arc084_a"},{"id":33557705,"contest_id":"chokudai_S002","epoch_second":1658934016,"problem_id":"chokudai_S002_b"},{"id":33576378,"contest_id":"wupc2019","epoch_second":1659020402,"problem_id":"wupc2019_a"},{"id":33596611,"contest_id":"chokudai_S002","epoch_second":1659109236,"problem_id":"chokudai_S002_c"},{"id":33623301,"contest_id":"arc145","epoch_second":1659185077,"problem_id":"arc145_a"},{"id":33639017,"contest_id":"arc145","epoch_second":1659193255,"problem_id":"arc145_b"},{"id":33658144,"contest_id":"abc262","epoch_second":1659268902,"problem_id":"abc262_a"},{"id":33660323,"contest_id":"abc262","epoch_second":1659268999,"problem_id":"abc262_b"},{"id":33665059,"contest_id":"abc262","epoch_second":1659269292,"problem_id":"abc262_c"},{"id":33681996,"contest_id":"abc262","epoch_second":1659272659,"problem_id":"abc262_d"},{"id":33688195,"contest_id":"abc262","epoch_second":1659274590,"problem_id":"abc262_d"},{"id":33693544,"contest_id":"arc145","epoch_second":1659279711,"problem_id":"arc145_c"},{"id":33716252,"contest_id":"abc156","epoch_second":1659367395,"problem_id":"abc156_d"},{"id":33734415,"contest_id":"pakencamp-2019-day4","epoch_second":1659452764,"problem_id":"pakencamp_2019_day4_b"},{"id":33752717,"contest_id":"chokudai_S002","epoch_second":1659539142,"problem_id":"chokudai_S002_d"},{"id":33770701,"contest_id":"digitalarts2012","epoch_second":1659625296,"problem_id":"digitalarts_2"},{"id":33786947,"contest_id":"abc131","epoch_second":1659712460,"problem_id":"abc131_e"},{"id":33794259,"contest_id":"abc165","epoch_second":1659764664,"problem_id":"abc165_c"},{"id":33807092,"contest_id":"abc263","epoch_second":1659787577,"problem_id":"abc263_a"},{"id":33809159,"contest_id":"abc263","epoch_second":1659787698,"problem_id":"abc263_b"},{"id":33811898,"contest_id":"abc263","epoch_second":1659787887,"problem_id":"abc263_c"},{"id":33845922,"contest_id":"abc263","epoch_second":1659801613,"problem_id":"abc263_d"},{"id":33855683,"contest_id":"abc104","epoch_second":1659855517,"problem_id":"abc104_c"},{"id":33866707,"contest_id":"abc037","epoch_second":1659886899,"problem_id":"abc037_d"},{"id":33886183,"contest_id":"arc025","epoch_second":1659972555,"problem_id":"arc025_2"},{"id":33890117,"contest_id":"arc034","epoch_second":1660005144,"problem_id":"arc034_2"},{"id":33890911,"contest_id":"abc114","epoch_second":1660009041,"problem_id":"abc114_d"},{"id":33891025,"contest_id":"arc034","epoch_second":1660009487,"problem_id":"arc034_3"},{"id":33906221,"contest_id":"ahc013","epoch_second":1660057220,"problem_id":"ahc013_a"},{"id":33906851,"contest_id":"nikkei2019-ex","epoch_second":1660059013,"problem_id":"nikkei2019ex_b"},{"id":33912563,"contest_id":"ahc013","epoch_second":1660097686,"problem_id":"ahc013_a"},{"id":33913503,"contest_id":"ahc013","epoch_second":1660100592,"problem_id":"ahc013_a"},{"id":33914944,"contest_id":"ahc013","epoch_second":1660107047,"problem_id":"ahc013_a"},{"id":33915365,"contest_id":"ahc013","epoch_second":1660108888,"problem_id":"ahc013_a"},{"id":33917564,"contest_id":"ahc013","epoch_second":1660115818,"problem_id":"ahc013_a"},{"id":33919316,"contest_id":"ahc013","epoch_second":1660120887,"problem_id":"ahc013_a"},{"id":33926871,"contest_id":"nikkei2019-ex","epoch_second":1660143614,"problem_id":"nikkei2019ex_c"},{"id":33940204,"contest_id":"ahc013","epoch_second":1660211760,"problem_id":"ahc013_a"},{"id":33945311,"contest_id":"ahc013","epoch_second":1660226603,"problem_id":"ahc013_a"},{"id":33946429,"contest_id":"nikkei2019-ex","epoch_second":1660230094,"problem_id":"nikkei2019ex_d"},{"id":33966280,"contest_id":"ahc013","epoch_second":1660315998,"problem_id":"ahc013_a"},{"id":33966420,"contest_id":"nikkei2019-ex","epoch_second":1660316406,"problem_id":"nikkei2019ex_f"},{"id":33977026,"contest_id":"ahc013","epoch_second":1660373359,"problem_id":"ahc013_a"},{"id":33987096,"contest_id":"abc264","epoch_second":1660392138,"problem_id":"abc264_a"},{"id":33993642,"contest_id":"abc264","epoch_second":1660392664,"problem_id":"abc264_b"},{"id":33995913,"contest_id":"abc264","epoch_second":1660392902,"problem_id":"abc264_c"},{"id":33996949,"contest_id":"abc264","epoch_second":1660393025,"problem_id":"abc264_d"},{"id":34008734,"contest_id":"abc264","epoch_second":1660395062,"problem_id":"abc264_e"},{"id":34025537,"contest_id":"nikkei2019-ex","epoch_second":1660402921,"problem_id":"nikkei2019ex_e"},{"id":34050241,"contest_id":"agc058","epoch_second":1660485562,"problem_id":"agc058_a"},{"id":34053195,"contest_id":"arc022","epoch_second":1660491581,"problem_id":"arc022_2"},{"id":34073261,"contest_id":"abc142","epoch_second":1660575960,"problem_id":"abc142_e"},{"id":34082638,"contest_id":"abc061","epoch_second":1660628899,"problem_id":"abc061_d"},{"id":34095634,"contest_id":"code-festival-2018-quala","epoch_second":1660665437,"problem_id":"code_festival_2018_quala_a"},{"id":34106670,"contest_id":"abc067","epoch_second":1660727455,"problem_id":"abc067_a"},{"id":34106689,"contest_id":"code-festival-2016-qualc","epoch_second":1660727516,"problem_id":"codefestival_2016_qualC_a"},{"id":34106818,"contest_id":"arc124","epoch_second":1660727915,"problem_id":"arc124_a"},{"id":34106874,"contest_id":"agc015","epoch_second":1660728089,"problem_id":"agc015_b"},{"id":34107044,"contest_id":"abc030","epoch_second":1660728609,"problem_id":"abc030_b"},{"id":34107087,"contest_id":"abc003","epoch_second":1660728772,"problem_id":"abc003_3"},{"id":34107253,"contest_id":"abc142","epoch_second":1660729413,"problem_id":"abc142_e"},{"id":34107641,"contest_id":"agc049","epoch_second":1660731013,"problem_id":"agc049_b"},{"id":34113192,"contest_id":"abc088","epoch_second":1660748627,"problem_id":"abc088_d"},{"id":34131431,"contest_id":"abc237","epoch_second":1660836804,"problem_id":"abc237_e"},{"id":34148157,"contest_id":"arc035","epoch_second":1660921947,"problem_id":"arc035_c"},{"id":34183260,"contest_id":"arc146","epoch_second":1661011331,"problem_id":"arc146_a"},{"id":34199506,"contest_id":"abc265","epoch_second":1661083280,"problem_id":"abc265_a"},{"id":34204367,"contest_id":"abc265","epoch_second":1661083553,"problem_id":"abc265_b"},{"id":34207263,"contest_id":"abc265","epoch_second":1661083744,"problem_id":"abc265_c"},{"id":34211728,"contest_id":"abc265","epoch_second":1661084057,"problem_id":"abc265_d"},{"id":34222482,"contest_id":"abc265","epoch_second":1661085069,"problem_id":"abc265_e"},{"id":34252262,"contest_id":"zone2021","epoch_second":1661094407,"problem_id":"zone2021_c"},{"id":34277199,"contest_id":"agc048","epoch_second":1661182738,"problem_id":"agc048_a"},{"id":34296766,"contest_id":"abc146","epoch_second":1661267808,"problem_id":"abc146_d"},{"id":34316047,"contest_id":"arc058","epoch_second":1661354584,"problem_id":"arc058_a"},{"id":34333924,"contest_id":"abc070","epoch_second":1661440350,"problem_id":"abc070_d"},{"id":34352252,"contest_id":"arc032","epoch_second":1661526564,"problem_id":"arc032_2"},{"id":34409945,"contest_id":"abc266","epoch_second":1661613848,"problem_id":"abc266_a"},{"id":34434513,"contest_id":"abc266","epoch_second":1661737782,"problem_id":"abc266_b"},{"id":34447410,"contest_id":"abc266","epoch_second":1661785647,"problem_id":"abc266_c"},{"id":34464468,"contest_id":"abc266","epoch_second":1661872300,"problem_id":"abc266_d"},{"id":34469830,"contest_id":"abc194","epoch_second":1661916386,"problem_id":"abc194_e"},{"id":34481015,"contest_id":"abc266","epoch_second":1661958405,"problem_id":"abc266_e"},{"id":34498090,"contest_id":"past202004-open","epoch_second":1662043848,"problem_id":"past202004_j"},{"id":34498770,"contest_id":"abc266","epoch_second":1662046663,"problem_id":"abc266_f"},{"id":34510196,"contest_id":"arc017","epoch_second":1662114273,"problem_id":"arc017_3"},{"id":34515431,"contest_id":"abc034","epoch_second":1662131285,"problem_id":"abc034_c"},{"id":34531999,"contest_id":"abc267","epoch_second":1662206521,"problem_id":"abc267_a"},{"id":34550900,"contest_id":"abc267","epoch_second":1662208281,"problem_id":"abc267_d"},{"id":34576875,"contest_id":"abc267","epoch_second":1662212551,"problem_id":"abc267_b"},{"id":34582508,"contest_id":"abc267","epoch_second":1662217296,"problem_id":"abc267_c"},{"id":34613645,"contest_id":"arc147","epoch_second":1662296522,"problem_id":"arc147_a"},{"id":34615679,"contest_id":"arc147","epoch_second":1662297511,"problem_id":"arc147_b"},{"id":34622887,"contest_id":"abc115","epoch_second":1662304676,"problem_id":"abc115_d"},{"id":34641361,"contest_id":"arc054","epoch_second":1662390086,"problem_id":"arc054_b"},{"id":34660314,"contest_id":"arc011","epoch_second":1662476437,"problem_id":"arc011_3"},{"id":34665923,"contest_id":"practice2","epoch_second":1662522719,"problem_id":"practice2_k"},{"id":34671303,"contest_id":"abc192","epoch_second":1662541881,"problem_id":"abc192_b"},{"id":34671340,"contest_id":"abc139","epoch_second":1662542000,"problem_id":"abc139_c"},{"id":34671371,"contest_id":"abc127","epoch_second":1662542108,"problem_id":"abc127_c"},{"id":34671402,"contest_id":"abc100","epoch_second":1662542242,"problem_id":"abc100_c"},{"id":34671453,"contest_id":"code-festival-2016-quala","epoch_second":1662542414,"problem_id":"codefestival_2016_qualA_b"},{"id":34671513,"contest_id":"agc019","epoch_second":1662542609,"problem_id":"agc019_a"},{"id":34671555,"contest_id":"abc046","epoch_second":1662542754,"problem_id":"abc046_b"},{"id":34671648,"contest_id":"abc079","epoch_second":1662543107,"problem_id":"abc079_d"},{"id":34671712,"contest_id":"arc037","epoch_second":1662543300,"problem_id":"arc037_b"},{"id":34672166,"contest_id":"arc135","epoch_second":1662545172,"problem_id":"arc135_b"},{"id":34677762,"contest_id":"abc141","epoch_second":1662561747,"problem_id":"abc141_e"},{"id":34678069,"contest_id":"abc141","epoch_second":1662562841,"problem_id":"abc141_e"},{"id":34678616,"contest_id":"arc141","epoch_second":1662564334,"problem_id":"arc141_a"},{"id":34695254,"contest_id":"dwango2015-prelims","epoch_second":1662649227,"problem_id":"dwango2015_prelims_2"},{"id":34695262,"contest_id":"dwango2015-prelims","epoch_second":1662649301,"problem_id":"dwango2015_prelims_1"},{"id":34710643,"contest_id":"abc069","epoch_second":1662737490,"problem_id":"arc080_b"},{"id":34764535,"contest_id":"arc120","epoch_second":1662822325,"problem_id":"arc120_b"},{"id":34764773,"contest_id":"abc094","epoch_second":1662822739,"problem_id":"arc095_b"},{"id":34764935,"contest_id":"abc206","epoch_second":1662823025,"problem_id":"abc206_d"},{"id":34770570,"contest_id":"abc268","epoch_second":1662858778,"problem_id":"abc268_a"},{"id":34770594,"contest_id":"abc268","epoch_second":1662858873,"problem_id":"abc268_b"},{"id":34770708,"contest_id":"abc268","epoch_second":1662859274,"problem_id":"abc268_c"},{"id":34770992,"contest_id":"abc268","epoch_second":1662860224,"problem_id":"abc268_d"},{"id":34795644,"contest_id":"arc148","epoch_second":1662902317,"problem_id":"arc148_a"},{"id":34804265,"contest_id":"arc148","epoch_second":1662908526,"problem_id":"arc148_b"},{"id":34823917,"contest_id":"abc160","epoch_second":1662994958,"problem_id":"abc160_d"},{"id":34841613,"contest_id":"arc134","epoch_second":1663082150,"problem_id":"arc134_b"},{"id":34852415,"contest_id":"abc188","epoch_second":1663146668,"problem_id":"abc188_b"},{"id":34852433,"contest_id":"abc014","epoch_second":1663146716,"problem_id":"abc014_1"},{"id":34852447,"contest_id":"abc002","epoch_second":1663146758,"problem_id":"abc002_2"},{"id":34852461,"contest_id":"abc018","epoch_second":1663146800,"problem_id":"abc018_2"},{"id":34852616,"contest_id":"arc130","epoch_second":1663147317,"problem_id":"arc130_b"},{"id":34852746,"contest_id":"abc079","epoch_second":1663147823,"problem_id":"abc079_d"},{"id":34852897,"contest_id":"abc090","epoch_second":1663148571,"problem_id":"arc091_b"},{"id":34853104,"contest_id":"digitalarts2012","epoch_second":1663149530,"problem_id":"digitalarts_2"},{"id":34859210,"contest_id":"abc133","epoch_second":1663168371,"problem_id":"abc133_d"},{"id":34876951,"contest_id":"agc036","epoch_second":1663253956,"problem_id":"agc036_a"},{"id":34877352,"contest_id":"arc005","epoch_second":1663255377,"problem_id":"arc005_2"},{"id":34895899,"contest_id":"agc018","epoch_second":1663343469,"problem_id":"agc018_a"},{"id":34909340,"contest_id":"ahc014","epoch_second":1663394447,"problem_id":"ahc014_a"},{"id":34918481,"contest_id":"abc269","epoch_second":1663416062,"problem_id":"abc269_a"},{"id":34923789,"contest_id":"abc269","epoch_second":1663416296,"problem_id":"abc269_b"},{"id":34926986,"contest_id":"abc269","epoch_second":1663416594,"problem_id":"abc269_c"},{"id":34932363,"contest_id":"abc269","epoch_second":1663417270,"problem_id":"abc269_d"},{"id":34954039,"contest_id":"abc269","epoch_second":1663422559,"problem_id":"abc269_e"},{"id":34957405,"contest_id":"tenka1-2019-beginner","epoch_second":1663426854,"problem_id":"tenka1_2019_c"},{"id":34959041,"contest_id":"ahc014","epoch_second":1663431179,"problem_id":"ahc014_a"},{"id":34964310,"contest_id":"ahc014","epoch_second":1663467243,"problem_id":"ahc014_a"},{"id":34964878,"contest_id":"ahc014","epoch_second":1663469044,"problem_id":"ahc014_a"},{"id":34966004,"contest_id":"ahc014","epoch_second":1663473356,"problem_id":"ahc014_a"},{"id":34968224,"contest_id":"ahc014","epoch_second":1663480650,"problem_id":"ahc014_a"},{"id":34974101,"contest_id":"ahc014","epoch_second":1663497719,"problem_id":"ahc014_a"},{"id":34980670,"contest_id":"arc131","epoch_second":1663514010,"problem_id":"arc131_c"},{"id":35002041,"contest_id":"discovery2016-qual","epoch_second":1663602456,"problem_id":"discovery_2016_qual_b"},{"id":35006985,"contest_id":"ahc014","epoch_second":1663645196,"problem_id":"ahc014_a"},{"id":35016357,"contest_id":"ahc014","epoch_second":1663680199,"problem_id":"ahc014_a"},{"id":35018368,"contest_id":"arc128","epoch_second":1663686007,"problem_id":"arc128_b"},{"id":35019774,"contest_id":"ahc014","epoch_second":1663691535,"problem_id":"ahc014_a"},{"id":35036481,"contest_id":"abc157","epoch_second":1663775702,"problem_id":"abc157_e"},{"id":35051964,"contest_id":"abc105","epoch_second":1663859582,"problem_id":"abc105_d"},{"id":35057930,"contest_id":"ahc014","epoch_second":1663903719,"problem_id":"ahc014_a"},{"id":35058651,"contest_id":"ahc014","epoch_second":1663907360,"problem_id":"ahc014_a"},{"id":35070829,"contest_id":"chokudai_S001","epoch_second":1663948319,"problem_id":"chokudai_S001_a"},{"id":35071120,"contest_id":"ahc014","epoch_second":1663949855,"problem_id":"ahc014_a"},{"id":35091641,"contest_id":"abc270","epoch_second":1664020854,"problem_id":"abc270_a"},{"id":35097962,"contest_id":"abc270","epoch_second":1664021369,"problem_id":"abc270_b"},{"id":35100908,"contest_id":"abc270","epoch_second":1664021604,"problem_id":"abc270_c"},{"id":35130305,"contest_id":"abc270","epoch_second":1664025653,"problem_id":"abc270_e"},{"id":35134918,"contest_id":"abc270","epoch_second":1664026518,"problem_id":"abc270_d"},{"id":35143363,"contest_id":"abc270","epoch_second":1664032501,"problem_id":"abc270_f"},{"id":35166347,"contest_id":"arc040","epoch_second":1664119330,"problem_id":"arc040_b"},{"id":35184594,"contest_id":"agc033","epoch_second":1664205659,"problem_id":"agc033_a"},{"id":35202539,"contest_id":"arc023","epoch_second":1664290893,"problem_id":"arc023_2"},{"id":35202784,"contest_id":"abc195","epoch_second":1664291723,"problem_id":"abc195_d"},{"id":35202881,"contest_id":"arc035","epoch_second":1664292034,"problem_id":"arc035_b"},{"id":35220116,"contest_id":"abc050","epoch_second":1664378159,"problem_id":"arc066_a"},{"id":35225083,"contest_id":"abc085","epoch_second":1664418256,"problem_id":"abc085_d"},{"id":35225290,"contest_id":"mujin-pc-2016","epoch_second":1664419302,"problem_id":"mujin_pc_2016_b"},{"id":35225508,"contest_id":"abc163","epoch_second":1664420404,"problem_id":"abc163_d"},{"id":35226068,"contest_id":"abc182","epoch_second":1664423487,"problem_id":"abc182_e"},{"id":35238244,"contest_id":"abc198","epoch_second":1664463761,"problem_id":"abc198_e"},{"id":35255806,"contest_id":"abc124","epoch_second":1664553305,"problem_id":"abc124_d"},{"id":35326853,"contest_id":"ahc014","epoch_second":1664592037,"problem_id":"ahc014_b"},{"id":35260653,"contest_id":"ahc014","epoch_second":1664592037,"problem_id":"ahc014_a"},{"id":35271391,"contest_id":"abc271","epoch_second":1664625706,"problem_id":"abc271_a"},{"id":35272695,"contest_id":"abc271","epoch_second":1664625799,"problem_id":"abc271_b"},{"id":35292373,"contest_id":"abc271","epoch_second":1664627604,"problem_id":"abc271_d"},{"id":35321104,"contest_id":"abc271","epoch_second":1664632879,"problem_id":"abc271_c"},{"id":35323478,"contest_id":"abc271","epoch_second":1664635139,"problem_id":"abc271_e"},{"id":35324870,"contest_id":"abc271","epoch_second":1664637281,"problem_id":"abc271_f"},{"id":35350129,"contest_id":"arc149","epoch_second":1664713760,"problem_id":"arc149_a"},{"id":35361279,"contest_id":"arc149","epoch_second":1664723299,"problem_id":"arc149_b"},{"id":35380846,"contest_id":"panasonic2020","epoch_second":1664809895,"problem_id":"panasonic2020_d"},{"id":35400022,"contest_id":"arc036","epoch_second":1664896431,"problem_id":"arc036_b"},{"id":35419967,"contest_id":"arc010","epoch_second":1664982433,"problem_id":"arc010_2"},{"id":35437344,"contest_id":"diverta2019","epoch_second":1665069522,"problem_id":"diverta2019_d"},{"id":35453635,"contest_id":"fuka5","epoch_second":1665158283,"problem_id":"fuka_credit"},{"id":35514604,"contest_id":"abc272","epoch_second":1665241228,"problem_id":"abc272_a"},{"id":35552932,"contest_id":"abc272","epoch_second":1665328272,"problem_id":"abc272_b"},{"id":35574697,"contest_id":"abc272","epoch_second":1665414005,"problem_id":"abc272_c"},{"id":35584275,"contest_id":"abc272","epoch_second":1665474198,"problem_id":"abc272_d"},{"id":35585137,"contest_id":"arc150","epoch_second":1665476717,"problem_id":"arc150_a"},{"id":35594096,"contest_id":"abc032","epoch_second":1665505994,"problem_id":"abc032_c"},{"id":35610054,"contest_id":"arc031","epoch_second":1665587534,"problem_id":"arc031_2"},{"id":35624937,"contest_id":"abc179","epoch_second":1665664179,"problem_id":"abc179_e"},{"id":35628851,"contest_id":"abc241","epoch_second":1665676281,"problem_id":"abc241_e"},{"id":35645675,"contest_id":"s8pc-1","epoch_second":1665761802,"problem_id":"s8pc_1_a"},{"id":35661996,"contest_id":"abc273","epoch_second":1665835289,"problem_id":"abc273_a"},{"id":35667671,"contest_id":"abc273","epoch_second":1665835700,"problem_id":"abc273_b"},{"id":35669740,"contest_id":"abc273","epoch_second":1665835960,"problem_id":"abc273_c"},{"id":35685552,"contest_id":"abc273","epoch_second":1665839152,"problem_id":"abc273_d"},{"id":35691761,"contest_id":"abc273","epoch_second":1665840745,"problem_id":"abc273_e"},{"id":35699417,"contest_id":"abc202","epoch_second":1665847153,"problem_id":"abc202_d"},{"id":35711896,"contest_id":"joi2023yo1a","epoch_second":1665898515,"problem_id":"joi2023_yo1a_a"},{"id":35711962,"contest_id":"joi2023yo1a","epoch_second":1665898567,"problem_id":"joi2023_yo1a_b"},{"id":35712056,"contest_id":"joi2023yo1a","epoch_second":1665898660,"problem_id":"joi2023_yo1a_c"},{"id":35712095,"contest_id":"joi2023yo1a","epoch_second":1665898706,"problem_id":"joi2023_yo1a_d"},{"id":35739515,"contest_id":"arc151","epoch_second":1665939322,"problem_id":"arc151_a"},{"id":35757250,"contest_id":"abc108","epoch_second":1666018930,"problem_id":"arc102_a"},{"id":35775368,"contest_id":"abc005","epoch_second":1666105385,"problem_id":"abc005_4"},{"id":35794060,"contest_id":"abc200","epoch_second":1666192508,"problem_id":"abc200_d"},{"id":35803867,"contest_id":"yahoo-procon2018-final-open","epoch_second":1666251166,"problem_id":"yahoo_procon2018_final_a"},{"id":35814594,"contest_id":"abc053","epoch_second":1666280118,"problem_id":"arc068_b"},{"id":35840321,"contest_id":"tenka1-2012-qualC","epoch_second":1666366557,"problem_id":"tenka1_2012_10"},{"id":35861711,"contest_id":"abc274","epoch_second":1666440071,"problem_id":"abc274_a"},{"id":35863129,"contest_id":"abc274","epoch_second":1666440160,"problem_id":"abc274_b"},{"id":35868823,"contest_id":"abc274","epoch_second":1666440476,"problem_id":"abc274_c"},{"id":35878873,"contest_id":"abc274","epoch_second":1666441634,"problem_id":"abc274_d"},{"id":35904183,"contest_id":"abc274","epoch_second":1666455257,"problem_id":"abc274_e"},{"id":35926696,"contest_id":"tkppc3","epoch_second":1666537601,"problem_id":"tkppc3_a"},{"id":35946620,"contest_id":"abc192","epoch_second":1666623602,"problem_id":"abc192_d"},{"id":35966514,"contest_id":"abc045","epoch_second":1666711938,"problem_id":"arc061_a"},{"id":35966519,"contest_id":"arc061","epoch_second":1666711948,"problem_id":"arc061_a"},{"id":35967106,"contest_id":"abc051","epoch_second":1666714536,"problem_id":"abc051_c"},{"id":35985413,"contest_id":"code-festival-2017-qualc","epoch_second":1666798900,"problem_id":"code_festival_2017_qualc_c"},{"id":36003093,"contest_id":"abc129","epoch_second":1666887522,"problem_id":"abc129_d"},{"id":36003105,"contest_id":"abc129","epoch_second":1666887563,"problem_id":"abc129_d"},{"id":36019628,"contest_id":"arc026","epoch_second":1666971175,"problem_id":"arc026_2"},{"id":36032740,"contest_id":"abc275","epoch_second":1667044846,"problem_id":"abc275_a"},{"id":36034398,"contest_id":"abc275","epoch_second":1667044915,"problem_id":"abc275_b"},{"id":36047621,"contest_id":"abc275","epoch_second":1667045804,"problem_id":"abc275_d"},{"id":36051460,"contest_id":"abc275","epoch_second":1667046299,"problem_id":"abc275_e"},{"id":36068246,"contest_id":"abc275","epoch_second":1667049897,"problem_id":"abc275_c"},{"id":36078117,"contest_id":"pakencamp-2020-day1","epoch_second":1667058179,"problem_id":"pakencamp_2020_day1_c"},{"id":36087165,"contest_id":"ahc015","epoch_second":1667109775,"problem_id":"ahc015_a"},{"id":36088422,"contest_id":"ahc015","epoch_second":1667111729,"problem_id":"ahc015_a"},{"id":36088636,"contest_id":"ahc015","epoch_second":1667112030,"problem_id":"ahc015_a"},{"id":36088818,"contest_id":"ahc015","epoch_second":1667112331,"problem_id":"ahc015_a"},{"id":36088972,"contest_id":"ahc015","epoch_second":1667112631,"problem_id":"ahc015_a"},{"id":36090745,"contest_id":"ahc015","epoch_second":1667115035,"problem_id":"ahc015_a"},{"id":36091406,"contest_id":"ahc015","epoch_second":1667115838,"problem_id":"ahc015_a"},{"id":36091677,"contest_id":"ahc015","epoch_second":1667116184,"problem_id":"ahc015_a"},{"id":36091932,"contest_id":"ahc015","epoch_second":1667116487,"problem_id":"ahc015_a"},{"id":36092169,"contest_id":"ahc015","epoch_second":1667116796,"problem_id":"ahc015_a"},{"id":36092426,"contest_id":"ahc015","epoch_second":1667117144,"problem_id":"ahc015_a"},{"id":36094691,"contest_id":"ahc015","epoch_second":1667119991,"problem_id":"ahc015_a"},{"id":36095201,"contest_id":"ahc015","epoch_second":1667120651,"problem_id":"ahc015_a"},{"id":36095685,"contest_id":"ahc015","epoch_second":1667121238,"problem_id":"ahc015_a"},{"id":36104976,"contest_id":"indeednow-quala","epoch_second":1667145358,"problem_id":"indeednow_2015_quala_3"},{"id":36123541,"contest_id":"abc176","epoch_second":1667228417,"problem_id":"abc176_e"},{"id":36123814,"contest_id":"abc176","epoch_second":1667228971,"problem_id":"abc176_d"},{"id":36131255,"contest_id":"chokudai_S001","epoch_second":1667279548,"problem_id":"chokudai_S001_a"},{"id":36131263,"contest_id":"chokudai_S001","epoch_second":1667279576,"problem_id":"chokudai_S001_b"},{"id":36131281,"contest_id":"chokudai_S001","epoch_second":1667279643,"problem_id":"chokudai_S001_c"},{"id":36131287,"contest_id":"chokudai_S001","epoch_second":1667279670,"problem_id":"chokudai_S001_d"},{"id":36131298,"contest_id":"chokudai_S001","epoch_second":1667279710,"problem_id":"chokudai_S001_e"},{"id":36131365,"contest_id":"chokudai_S001","epoch_second":1667279978,"problem_id":"chokudai_S001_f"},{"id":36131409,"contest_id":"chokudai_S001","epoch_second":1667280125,"problem_id":"chokudai_S001_g"},{"id":36131438,"contest_id":"chokudai_S001","epoch_second":1667280250,"problem_id":"chokudai_S001_h"},{"id":36131599,"contest_id":"chokudai_S001","epoch_second":1667280902,"problem_id":"chokudai_S001_i"},{"id":36131638,"contest_id":"chokudai_S001","epoch_second":1667281092,"problem_id":"chokudai_S001_j"},{"id":36131827,"contest_id":"chokudai_S001","epoch_second":1667281852,"problem_id":"chokudai_S001_k"},{"id":36131971,"contest_id":"chokudai_S001","epoch_second":1667282506,"problem_id":"chokudai_S001_l"},{"id":36142539,"contest_id":"agc011","epoch_second":1667314887,"problem_id":"agc011_b"},{"id":36142642,"contest_id":"abc064","epoch_second":1667315273,"problem_id":"abc064_d"},{"id":36162275,"contest_id":"apc001","epoch_second":1667402679,"problem_id":"apc001_b"},{"id":36183490,"contest_id":"abc048","epoch_second":1667490057,"problem_id":"arc064_a"},{"id":36202481,"contest_id":"tenka1-2018","epoch_second":1667576997,"problem_id":"tenka1_2018_c"},{"id":36221132,"contest_id":"abc276","epoch_second":1667649642,"problem_id":"abc276_a"},{"id":36223590,"contest_id":"abc276","epoch_second":1667649729,"problem_id":"abc276_b"},{"id":36224655,"contest_id":"abc276","epoch_second":1667649768,"problem_id":"abc276_c"},{"id":36228374,"contest_id":"abc276","epoch_second":1667649955,"problem_id":"abc276_d"},{"id":36235747,"contest_id":"abc276","epoch_second":1667650683,"problem_id":"abc276_e"},{"id":36259983,"contest_id":"abc276","epoch_second":1667655386,"problem_id":"abc276_f"},{"id":36267032,"contest_id":"ttpc2022","epoch_second":1667660411,"problem_id":"ttpc2022_a"},{"id":36292088,"contest_id":"ttpc2022","epoch_second":1667748108,"problem_id":"ttpc2022_b"},{"id":36310619,"contest_id":"chokudai_S002","epoch_second":1667833414,"problem_id":"chokudai_S002_e"},{"id":36330222,"contest_id":"arc042","epoch_second":1667921139,"problem_id":"arc042_b"},{"id":36330227,"contest_id":"arc042","epoch_second":1667921169,"problem_id":"arc042_b"},{"id":36349132,"contest_id":"abc140","epoch_second":1668006244,"problem_id":"abc140_d"},{"id":36368960,"contest_id":"nikkei2019-qual","epoch_second":1668093514,"problem_id":"nikkei2019_qual_c"},{"id":36387785,"contest_id":"abc097","epoch_second":1668178848,"problem_id":"arc097_a"},{"id":36405949,"contest_id":"abc277","epoch_second":1668254449,"problem_id":"abc277_a"},{"id":36409750,"contest_id":"abc277","epoch_second":1668254577,"problem_id":"abc277_b"},{"id":36412235,"contest_id":"abc277","epoch_second":1668254744,"problem_id":"abc277_c"},{"id":36421840,"contest_id":"abc277","epoch_second":1668255610,"problem_id":"abc277_d"},{"id":36436967,"contest_id":"abc277","epoch_second":1668258040,"problem_id":"abc277_e"},{"id":36455818,"contest_id":"abc080","epoch_second":1668266180,"problem_id":"abc080_c"},{"id":36462307,"contest_id":"abc277","epoch_second":1668303987,"problem_id":"abc277_e"},{"id":36477477,"contest_id":"ahc016","epoch_second":1668344138,"problem_id":"ahc016_a"},{"id":36481198,"contest_id":"ahc016","epoch_second":1668352783,"problem_id":"ahc016_a"},{"id":36481324,"contest_id":"abc071","epoch_second":1668353263,"problem_id":"arc081_b"},{"id":36481409,"contest_id":"abc071","epoch_second":1668353540,"problem_id":"arc081_a"},{"id":36481814,"contest_id":"ahc016","epoch_second":1668355065,"problem_id":"ahc016_a"},{"id":36486423,"contest_id":"ahc016","epoch_second":1668389982,"problem_id":"ahc016_a"},{"id":36495340,"contest_id":"ahc016","epoch_second":1668422708,"problem_id":"ahc016_a"},{"id":36495909,"contest_id":"ahc016","epoch_second":1668424508,"problem_id":"ahc016_a"},{"id":36501682,"contest_id":"abc157","epoch_second":1668438270,"problem_id":"abc157_d"},{"id":36502498,"contest_id":"ahc016","epoch_second":1668440931,"problem_id":"ahc016_a"},{"id":36521978,"contest_id":"abc121","epoch_second":1668525880,"problem_id":"abc121_d"},{"id":36541240,"contest_id":"agc034","epoch_second":1668612939,"problem_id":"agc034_b"},{"id":36560168,"contest_id":"sumitrust2019","epoch_second":1668698369,"problem_id":"sumitb2019_e"},{"id":36568757,"contest_id":"ahc016","epoch_second":1668756198,"problem_id":"ahc016_a"},{"id":36578293,"contest_id":"abc126","epoch_second":1668787996,"problem_id":"abc126_d"},{"id":36632328,"contest_id":"ahc016","epoch_second":1668863078,"problem_id":"ahc016_a"},{"id":36645167,"contest_id":"abc278","epoch_second":1668865684,"problem_id":"abc278_a"},{"id":36645966,"contest_id":"abc278","epoch_second":1668866112,"problem_id":"abc278_b"},{"id":36646200,"contest_id":"abc278","epoch_second":1668866246,"problem_id":"abc278_c"},{"id":36646648,"contest_id":"abc278","epoch_second":1668866556,"problem_id":"abc278_d"},{"id":36646705,"contest_id":"ahc016","epoch_second":1668866607,"problem_id":"ahc016_a"},{"id":36647922,"contest_id":"abc278","epoch_second":1668867600,"problem_id":"abc278_e"},{"id":36651356,"contest_id":"agc014","epoch_second":1668873980,"problem_id":"agc014_b"},{"id":36662872,"contest_id":"ahc016","epoch_second":1668928832,"problem_id":"ahc016_a"},{"id":36665623,"contest_id":"ahc016","epoch_second":1668934871,"problem_id":"ahc016_a"},{"id":36689227,"contest_id":"ahc016","epoch_second":1668937603,"problem_id":"ahc016_b"},{"id":36666742,"contest_id":"ahc016","epoch_second":1668937603,"problem_id":"ahc016_a"},{"id":36685960,"contest_id":"joi2023yo1b","epoch_second":1668958701,"problem_id":"joi2023_yo1b_a"},{"id":36685966,"contest_id":"joi2023yo1b","epoch_second":1668958746,"problem_id":"joi2023_yo1b_b"},{"id":36685974,"contest_id":"joi2023yo1b","epoch_second":1668958786,"problem_id":"joi2023_yo1b_c"},{"id":36685995,"contest_id":"joi2023yo1b","epoch_second":1668958861,"problem_id":"joi2023_yo1b_d"},{"id":36686055,"contest_id":"joi2021yo1b","epoch_second":1668959186,"problem_id":"joi2021_yo1b_a"},{"id":36686071,"contest_id":"joi2021yo1b","epoch_second":1668959265,"problem_id":"joi2021_yo1b_b"},{"id":36686087,"contest_id":"joi2021yo1b","epoch_second":1668959364,"problem_id":"joi2021_yo1b_c"},{"id":36706886,"contest_id":"abc132","epoch_second":1669045780,"problem_id":"abc132_d"},{"id":36723614,"contest_id":"abc109","epoch_second":1669130006,"problem_id":"abc109_d"},{"id":36743747,"contest_id":"abc147","epoch_second":1669216030,"problem_id":"abc147_d"},{"id":36760596,"contest_id":"agc003","epoch_second":1669302699,"problem_id":"agc003_b"},{"id":36776704,"contest_id":"apc001","epoch_second":1669389294,"problem_id":"apc001_c"},{"id":36792109,"contest_id":"abc279","epoch_second":1669464064,"problem_id":"abc279_a"},{"id":36795316,"contest_id":"abc279","epoch_second":1669464147,"problem_id":"abc279_b"},{"id":36805431,"contest_id":"abc279","epoch_second":1669464892,"problem_id":"abc279_c"},{"id":36812437,"contest_id":"abc279","epoch_second":1669466071,"problem_id":"abc279_d"},{"id":36817260,"contest_id":"abc279","epoch_second":1669467228,"problem_id":"abc279_e"},{"id":36833622,"contest_id":"code-festival-2017-quala","epoch_second":1669479398,"problem_id":"code_festival_2017_quala_c"},{"id":36857674,"contest_id":"arc053","epoch_second":1669609417,"problem_id":"arc053_b"},{"id":36868140,"contest_id":"arc114","epoch_second":1669649041,"problem_id":"arc114_b"},{"id":36884942,"contest_id":"abc216","epoch_second":1669734241,"problem_id":"abc216_e"},{"id":36901505,"contest_id":"arc110","epoch_second":1669821235,"problem_id":"arc110_c"},{"id":36918159,"contest_id":"arc121","epoch_second":1669911288,"problem_id":"arc121_b"},{"id":36932544,"contest_id":"abc181","epoch_second":1669994427,"problem_id":"abc181_e"},{"id":36953753,"contest_id":"abc280","epoch_second":1670069056,"problem_id":"abc280_a"},{"id":36956797,"contest_id":"abc280","epoch_second":1670069176,"problem_id":"abc280_b"},{"id":36962127,"contest_id":"abc280","epoch_second":1670069435,"problem_id":"abc280_c"},{"id":36972168,"contest_id":"abc280","epoch_second":1670070295,"problem_id":"abc280_d"},{"id":36983498,"contest_id":"abc280","epoch_second":1670072028,"problem_id":"abc280_e"},{"id":37001650,"contest_id":"abc280","epoch_second":1670080159,"problem_id":"abc280_f"},{"id":37001994,"contest_id":"arc152","epoch_second":1670080925,"problem_id":"arc152_a"},{"id":37028762,"contest_id":"arc002","epoch_second":1670167105,"problem_id":"arc002_3"},{"id":37046824,"contest_id":"abc208","epoch_second":1670252915,"problem_id":"abc208_d"},{"id":37063829,"contest_id":"abc188","epoch_second":1670338988,"problem_id":"abc188_e"},{"id":37081582,"contest_id":"arc109","epoch_second":1670425409,"problem_id":"arc109_c"},{"id":37099689,"contest_id":"abc184","epoch_second":1670513244,"problem_id":"abc184_e"},{"id":37099864,"contest_id":"abc184","epoch_second":1670513712,"problem_id":"abc184_f"},{"id":37117239,"contest_id":"joi2008ho","epoch_second":1670598938,"problem_id":"joi2008ho_c"},{"id":37143028,"contest_id":"abc281","epoch_second":1670673964,"problem_id":"abc281_a"},{"id":37147401,"contest_id":"abc281","epoch_second":1670674218,"problem_id":"abc281_b"},{"id":37150861,"contest_id":"abc281","epoch_second":1670674449,"problem_id":"abc281_c"},{"id":37158636,"contest_id":"abc281","epoch_second":1670675168,"problem_id":"abc281_d"},{"id":37163653,"contest_id":"abc281","epoch_second":1670675824,"problem_id":"abc281_e"},{"id":37173677,"contest_id":"abc281","epoch_second":1670677596,"problem_id":"abc281_f"},{"id":37187751,"contest_id":"abc281","epoch_second":1670682014,"problem_id":"abc281_e"},{"id":37189599,"contest_id":"joi2023yo1c","epoch_second":1670684731,"problem_id":"joi2023_yo1c_a"},{"id":37189628,"contest_id":"joi2023yo1c","epoch_second":1670684783,"problem_id":"joi2023_yo1c_a"},{"id":37189672,"contest_id":"joi2023yo1c","epoch_second":1670684853,"problem_id":"joi2023_yo1c_b"},{"id":37189745,"contest_id":"joi2023yo1c","epoch_second":1670684953,"problem_id":"joi2023_yo1c_c"},{"id":37189832,"contest_id":"joi2023yo1c","epoch_second":1670685121,"problem_id":"joi2023_yo1c_d"},{"id":37222230,"contest_id":"joi2023yo2","epoch_second":1670773756,"problem_id":"joi2023_yo2_a"},{"id":37222247,"contest_id":"joi2023yo2","epoch_second":1670773814,"problem_id":"joi2023_yo2_a"},{"id":37238739,"contest_id":"joi2023yo2","epoch_second":1670857297,"problem_id":"joi2023_yo2_b"},{"id":37256245,"contest_id":"joi2023yo2","epoch_second":1670945052,"problem_id":"joi2023_yo2_c"},{"id":37273375,"contest_id":"abc192","epoch_second":1671030770,"problem_id":"abc192_e"},{"id":37284874,"contest_id":"abc185","epoch_second":1671099598,"problem_id":"abc185_f"},{"id":37290765,"contest_id":"arc140","epoch_second":1671120847,"problem_id":"arc140_b"},{"id":37306771,"contest_id":"joi2007yo","epoch_second":1671204205,"problem_id":"joi2007yo_d"},{"id":37322441,"contest_id":"abc282","epoch_second":1671278475,"problem_id":"abc282_a"},{"id":37325339,"contest_id":"abc282","epoch_second":1671278571,"problem_id":"abc282_b"},{"id":37327629,"contest_id":"abc282","epoch_second":1671278697,"problem_id":"abc282_c"},{"id":37337033,"contest_id":"abc282","epoch_second":1671279561,"problem_id":"abc282_d"},{"id":37347646,"contest_id":"abc282","epoch_second":1671281719,"problem_id":"abc282_e"},{"id":37363406,"contest_id":"arc118","epoch_second":1671291403,"problem_id":"arc118_b"},{"id":37381875,"contest_id":"abc174","epoch_second":1671375636,"problem_id":"abc174_e"},{"id":37398439,"contest_id":"abc198","epoch_second":1671466086,"problem_id":"abc198_d"},{"id":37414608,"contest_id":"abc137","epoch_second":1671550138,"problem_id":"abc137_d"},{"id":37431570,"contest_id":"abc213","epoch_second":1671637112,"problem_id":"abc213_e"},{"id":37447410,"contest_id":"abc054","epoch_second":1671721281,"problem_id":"abc054_c"},{"id":37463736,"contest_id":"indeednow-qualb","epoch_second":1671807745,"problem_id":"indeednow_2015_qualc_3"},{"id":37530302,"contest_id":"abc283","epoch_second":1671927627,"problem_id":"abc283_a"},{"id":37530312,"contest_id":"abc283","epoch_second":1671927700,"problem_id":"abc283_b"},{"id":37530333,"contest_id":"abc283","epoch_second":1671927820,"problem_id":"abc283_c"},{"id":37530393,"contest_id":"abc283","epoch_second":1671928198,"problem_id":"abc283_d"},{"id":37531274,"contest_id":"abc283","epoch_second":1671932407,"problem_id":"abc283_e"},{"id":37549987,"contest_id":"abc179","epoch_second":1671982417,"problem_id":"abc179_d"},{"id":37567875,"contest_id":"arc019","epoch_second":1672067951,"problem_id":"arc019_2"},{"id":37583222,"contest_id":"abc283","epoch_second":1672143910,"problem_id":"abc283_d"},{"id":37586474,"contest_id":"joi2020yo1a","epoch_second":1672153952,"problem_id":"joi2020_yo1a_a"},{"id":37608349,"contest_id":"abc089","epoch_second":1672280557,"problem_id":"abc089_d"},{"id":37620874,"contest_id":"abc119","epoch_second":1672326072,"problem_id":"abc119_c"},{"id":37640216,"contest_id":"past202203-open","epoch_second":1672414770,"problem_id":"past202203_a"},{"id":37666482,"contest_id":"abc180","epoch_second":1672509621,"problem_id":"abc180_e"},{"id":37681655,"contest_id":"abc046","epoch_second":1672585242,"problem_id":"arc062_b"},{"id":37699850,"contest_id":"abc138","epoch_second":1672673284,"problem_id":"abc138_e"},{"id":37718780,"contest_id":"past202206-open","epoch_second":1672758230,"problem_id":"past202206_a"},{"id":37736575,"contest_id":"tenka1-2014-qualb","epoch_second":1672844414,"problem_id":"tenka1_2014_qualB_b"},{"id":37755704,"contest_id":"arc045","epoch_second":1672932625,"problem_id":"arc045_b"},{"id":37772908,"contest_id":"cf16-final","epoch_second":1673017283,"problem_id":"codefestival_2016_final_c"},{"id":37836902,"contest_id":"abc284","epoch_second":1673097041,"problem_id":"abc284_a"},{"id":37837184,"contest_id":"abc284","epoch_second":1673097083,"problem_id":"abc284_b"},{"id":37837551,"contest_id":"abc284","epoch_second":1673097143,"problem_id":"abc284_c"},{"id":37842224,"contest_id":"abc284","epoch_second":1673097919,"problem_id":"abc284_d"},{"id":37852437,"contest_id":"abc284","epoch_second":1673100245,"problem_id":"abc284_f"},{"id":37856024,"contest_id":"abc284","epoch_second":1673103627,"problem_id":"abc284_e"},{"id":37888914,"contest_id":"abc139","epoch_second":1673195797,"problem_id":"abc139_e"},{"id":37910384,"contest_id":"abc087","epoch_second":1673278014,"problem_id":"arc090_b"},{"id":37928751,"contest_id":"abc246","epoch_second":1673363683,"problem_id":"abc246_e"},{"id":37947694,"contest_id":"past202203-open","epoch_second":1673449484,"problem_id":"past202203_b"},{"id":37966366,"contest_id":"past202203-open","epoch_second":1673536660,"problem_id":"past202203_c"},{"id":37984649,"contest_id":"arc146","epoch_second":1673624043,"problem_id":"arc146_b"},{"id":38022200,"contest_id":"arc153","epoch_second":1673709212,"problem_id":"arc153_a"},{"id":38079329,"contest_id":"abc285","epoch_second":1673792437,"problem_id":"abc285_a"},{"id":38079750,"contest_id":"abc285","epoch_second":1673792955,"problem_id":"abc285_b"},{"id":38079895,"contest_id":"abc285","epoch_second":1673793167,"problem_id":"abc285_c"},{"id":38080179,"contest_id":"abc285","epoch_second":1673793586,"problem_id":"abc285_d"},{"id":38081381,"contest_id":"abc285","epoch_second":1673795918,"problem_id":"abc285_e"},{"id":38082274,"contest_id":"abc285","epoch_second":1673798186,"problem_id":"abc285_f"},{"id":38105210,"contest_id":"aising2020","epoch_second":1673884308,"problem_id":"aising2020_d"},{"id":38123898,"contest_id":"arc094","epoch_second":1673967916,"problem_id":"arc094_c"},{"id":38141077,"contest_id":"joi2007yo","epoch_second":1674054845,"problem_id":"joi2007yo_c"},{"id":38158914,"contest_id":"arc024","epoch_second":1674140811,"problem_id":"arc024_2"},{"id":38175795,"contest_id":"joi2007yo","epoch_second":1674229057,"problem_id":"joi2007yo_a"},{"id":38190692,"contest_id":"abc286","epoch_second":1674302536,"problem_id":"abc286_a"},{"id":38191607,"contest_id":"abc286","epoch_second":1674302613,"problem_id":"abc286_b"},{"id":38195933,"contest_id":"abc286","epoch_second":1674302882,"problem_id":"abc286_c"},{"id":38198124,"contest_id":"abc286","epoch_second":1674303040,"problem_id":"abc286_d"},{"id":38224826,"contest_id":"abc286","epoch_second":1674307978,"problem_id":"abc286_f"},{"id":38229523,"contest_id":"abc286","epoch_second":1674309447,"problem_id":"abc286_e"},{"id":38234030,"contest_id":"joi2022yo1a","epoch_second":1674317504,"problem_id":"joi2022_yo1a_b"},{"id":38269682,"contest_id":"arc154","epoch_second":1674399837,"problem_id":"arc154_a"},{"id":38269905,"contest_id":"arc154","epoch_second":1674400331,"problem_id":"arc154_b"},{"id":38288199,"contest_id":"arc005","epoch_second":1674486287,"problem_id":"arc005_3"},{"id":38307134,"contest_id":"arc028","epoch_second":1674574828,"problem_id":"arc028_2"},{"id":38324499,"contest_id":"abc022","epoch_second":1674661453,"problem_id":"abc022_c"},{"id":38341232,"contest_id":"abc082","epoch_second":1674745866,"problem_id":"arc087_b"},{"id":38359477,"contest_id":"joi2022yo1a","epoch_second":1674833158,"problem_id":"joi2022_yo1a_c"},{"id":38368575,"contest_id":"ahc017","epoch_second":1674890324,"problem_id":"ahc017_a"},{"id":38375444,"contest_id":"abc287","epoch_second":1674907276,"problem_id":"abc287_a"},{"id":38380511,"contest_id":"abc287","epoch_second":1674907448,"problem_id":"abc287_b"},{"id":38385333,"contest_id":"abc287","epoch_second":1674907692,"problem_id":"abc287_c"},{"id":38393362,"contest_id":"abc287","epoch_second":1674908330,"problem_id":"abc287_d"},{"id":38412216,"contest_id":"abc287","epoch_second":1674911098,"problem_id":"abc287_e"},{"id":38428480,"contest_id":"abc287","epoch_second":1674918024,"problem_id":"abc287_g"},{"id":38448754,"contest_id":"ahc017","epoch_second":1674986534,"problem_id":"ahc017_a"},{"id":38467740,"contest_id":"joi2022yo1b","epoch_second":1675004744,"problem_id":"joi2022_yo1b_b"},{"id":38467749,"contest_id":"joi2022yo1b","epoch_second":1675004766,"problem_id":"joi2022_yo1b_c"},{"id":38468185,"contest_id":"ahc017","epoch_second":1675006093,"problem_id":"ahc017_a"},{"id":38468683,"contest_id":"ahc017","epoch_second":1675007893,"problem_id":"ahc017_a"},{"id":38469764,"contest_id":"ahc017","epoch_second":1675013071,"problem_id":"ahc017_a"},{"id":38473035,"contest_id":"ahc017","epoch_second":1675041787,"problem_id":"ahc017_a"},{"id":38476882,"contest_id":"ahc017","epoch_second":1675055252,"problem_id":"ahc017_a"},{"id":38477275,"contest_id":"ahc017","epoch_second":1675057060,"problem_id":"ahc017_a"},{"id":38490048,"contest_id":"abc021","epoch_second":1675091855,"problem_id":"abc021_c"},{"id":38511848,"contest_id":"abc245","epoch_second":1675178839,"problem_id":"abc245_f"},{"id":38512091,"contest_id":"ahc017","epoch_second":1675179710,"problem_id":"ahc017_a"},{"id":38515005,"contest_id":"ahc017","epoch_second":1675200657,"problem_id":"ahc017_a"},{"id":38655716,"contest_id":"ahc017","epoch_second":1675200657,"problem_id":"ahc017_b"},{"id":38531872,"contest_id":"joi2022yo1a","epoch_second":1675263777,"problem_id":"joi2022_yo1a_d"},{"id":38554299,"contest_id":"joi2022yo1b","epoch_second":1675350003,"problem_id":"joi2022_yo1b_d"},{"id":38577154,"contest_id":"abc164","epoch_second":1675438131,"problem_id":"abc164_d"},{"id":38594342,"contest_id":"abc288","epoch_second":1675512026,"problem_id":"abc288_a"},{"id":38597213,"contest_id":"abc288","epoch_second":1675512079,"problem_id":"abc288_b"},{"id":38600064,"contest_id":"abc288","epoch_second":1675512155,"problem_id":"abc288_c"},{"id":38627414,"contest_id":"abc015","epoch_second":1675523539,"problem_id":"abc015_4"},{"id":38652530,"contest_id":"abc026","epoch_second":1675610464,"problem_id":"abc026_d"},{"id":38676987,"contest_id":"abc021","epoch_second":1675696692,"problem_id":"abc021_d"},{"id":38698950,"contest_id":"abc030","epoch_second":1675783329,"problem_id":"abc030_d"},{"id":38699038,"contest_id":"abc030","epoch_second":1675783598,"problem_id":"abc030_d"},{"id":38720573,"contest_id":"abc040","epoch_second":1675868832,"problem_id":"abc040_d"},{"id":38740661,"contest_id":"past202206-open","epoch_second":1675954844,"problem_id":"past202206_b"},{"id":38761113,"contest_id":"past202206-open","epoch_second":1676042224,"problem_id":"past202206_c"},{"id":38779299,"contest_id":"abc289","epoch_second":1676116855,"problem_id":"abc289_a"},{"id":38785342,"contest_id":"abc289","epoch_second":1676117162,"problem_id":"abc289_b"},{"id":38786831,"contest_id":"abc289","epoch_second":1676117326,"problem_id":"abc289_c"},{"id":38788585,"contest_id":"abc289","epoch_second":1676117509,"problem_id":"abc289_d"},{"id":38796337,"contest_id":"abc289","epoch_second":1676118464,"problem_id":"abc289_e"},{"id":38823773,"contest_id":"past202203-open","epoch_second":1676130633,"problem_id":"past202203_d"},{"id":38849979,"contest_id":"past202206-open","epoch_second":1676215026,"problem_id":"past202206_d"},{"id":38871303,"contest_id":"abc044","epoch_second":1676303284,"problem_id":"arc060_a"},{"id":38891386,"contest_id":"abc010","epoch_second":1676386982,"problem_id":"abc010_4"},{"id":38911661,"contest_id":"abc073","epoch_second":1676476694,"problem_id":"abc073_d"},{"id":38931241,"contest_id":"aising2019","epoch_second":1676560664,"problem_id":"aising2019_c"},{"id":38949358,"contest_id":"joig2023-open","epoch_second":1676647122,"problem_id":"joig2023_a"},{"id":38959532,"contest_id":"ahc018","epoch_second":1676701232,"problem_id":"ahc018_a"},{"id":38962337,"contest_id":"ahc018","epoch_second":1676708008,"problem_id":"ahc018_a"},{"id":38963315,"contest_id":"ahc018","epoch_second":1676710494,"problem_id":"ahc018_a"},{"id":38964764,"contest_id":"ahc018","epoch_second":1676714213,"problem_id":"ahc018_a"},{"id":38965423,"contest_id":"ahc018","epoch_second":1676716177,"problem_id":"ahc018_a"},{"id":38988459,"contest_id":"arc156","epoch_second":1676732578,"problem_id":"arc156_a"},{"id":38989344,"contest_id":"ahc018","epoch_second":1676734730,"problem_id":"ahc018_a"},{"id":39009796,"contest_id":"abc290","epoch_second":1676808067,"problem_id":"abc290_a"},{"id":39012983,"contest_id":"abc290","epoch_second":1676808174,"problem_id":"abc290_b"},{"id":39015954,"contest_id":"abc290","epoch_second":1676808309,"problem_id":"abc290_c"},{"id":39029227,"contest_id":"abc290","epoch_second":1676809834,"problem_id":"abc290_d"},{"id":39050053,"contest_id":"abc049","epoch_second":1676819000,"problem_id":"arc065_b"},{"id":39050679,"contest_id":"ahc018","epoch_second":1676820697,"problem_id":"ahc018_a"},{"id":39051484,"contest_id":"ahc018","epoch_second":1676823128,"problem_id":"ahc018_a"},{"id":39063873,"contest_id":"ahc018","epoch_second":1676883029,"problem_id":"ahc018_a"},{"id":39064949,"contest_id":"ahc018","epoch_second":1676886049,"problem_id":"ahc018_a"},{"id":39065862,"contest_id":"ahc018","epoch_second":1676888474,"problem_id":"ahc018_a"},{"id":39074038,"contest_id":"joig2023-open","epoch_second":1676908308,"problem_id":"joig2023_b"},{"id":39074227,"contest_id":"ahc018","epoch_second":1676909072,"problem_id":"ahc018_a"},{"id":39074656,"contest_id":"ahc018","epoch_second":1676910872,"problem_id":"ahc018_a"},{"id":39081243,"contest_id":"ahc018","epoch_second":1676953309,"problem_id":"ahc018_a"},{"id":39083270,"contest_id":"ahc018","epoch_second":1676960595,"problem_id":"ahc018_a"},{"id":39083900,"contest_id":"ahc018","epoch_second":1676962778,"problem_id":"ahc018_a"},{"id":39084466,"contest_id":"ahc018","epoch_second":1676964580,"problem_id":"ahc018_a"},{"id":39095347,"contest_id":"joig2023-open","epoch_second":1676994704,"problem_id":"joig2023_c"},{"id":39117557,"contest_id":"tkppc3","epoch_second":1677081862,"problem_id":"tkppc3_b"},{"id":39125521,"contest_id":"ahc018","epoch_second":1677130250,"problem_id":"ahc018_a"},{"id":39126455,"contest_id":"ahc018","epoch_second":1677133411,"problem_id":"ahc018_a"},{"id":39127217,"contest_id":"ahc018","epoch_second":1677135371,"problem_id":"ahc018_a"},{"id":39128690,"contest_id":"ahc018","epoch_second":1677139401,"problem_id":"ahc018_a"},{"id":39131747,"contest_id":"ahc018","epoch_second":1677148392,"problem_id":"ahc018_a"},{"id":39132503,"contest_id":"ahc018","epoch_second":1677150620,"problem_id":"ahc018_a"},{"id":39138975,"contest_id":"joi2022yo1c","epoch_second":1677165609,"problem_id":"joi2022_yo1c_b"},{"id":39159613,"contest_id":"joi2022yo1c","epoch_second":1677251070,"problem_id":"joi2022_yo1c_c"},{"id":39202686,"contest_id":"arc157","epoch_second":1677338580,"problem_id":"arc157_a"},{"id":39203904,"contest_id":"ahc018","epoch_second":1677342952,"problem_id":"ahc018_a"},{"id":39208167,"contest_id":"ahc018","epoch_second":1677374484,"problem_id":"ahc018_a"},{"id":39209280,"contest_id":"ahc018","epoch_second":1677377836,"problem_id":"ahc018_a"},{"id":39256470,"contest_id":"abc291","epoch_second":1677416364,"problem_id":"abc291_a"},{"id":39257041,"contest_id":"abc291","epoch_second":1677416492,"problem_id":"abc291_b"},{"id":39257257,"contest_id":"abc291","epoch_second":1677416542,"problem_id":"abc291_c"},{"id":39258313,"contest_id":"abc291","epoch_second":1677416772,"problem_id":"abc291_d"},{"id":39269171,"contest_id":"abc291","epoch_second":1677419816,"problem_id":"abc291_e"},{"id":39273044,"contest_id":"abc074","epoch_second":1677424487,"problem_id":"arc083_a"},{"id":39303459,"contest_id":"abc135","epoch_second":1677548967,"problem_id":"abc135_d"},{"id":39320331,"contest_id":"past202209-open","epoch_second":1677597759,"problem_id":"past202209_a"},{"id":39341012,"contest_id":"past202004-open","epoch_second":1677684042,"problem_id":"past202004_h"},{"id":39361570,"contest_id":"past202004-open","epoch_second":1677770121,"problem_id":"past202004_i"},{"id":39381264,"contest_id":"past202005-open","epoch_second":1677856895,"problem_id":"past202005_h"},{"id":39449971,"contest_id":"past202209-open","epoch_second":1677943886,"problem_id":"past202209_b"},{"id":39474855,"contest_id":"abc292","epoch_second":1678028891,"problem_id":"abc292_a"},{"id":39495691,"contest_id":"abc292","epoch_second":1678114942,"problem_id":"abc292_b"},{"id":39519925,"contest_id":"abc292","epoch_second":1678203612,"problem_id":"abc292_c"},{"id":39541179,"contest_id":"abc292","epoch_second":1678287620,"problem_id":"abc292_d"},{"id":39561875,"contest_id":"abc292","epoch_second":1678375259,"problem_id":"abc292_e"},{"id":39581823,"contest_id":"past202209-open","epoch_second":1678461106,"problem_id":"past202209_c"},{"id":39647896,"contest_id":"abc293","epoch_second":1678546832,"problem_id":"abc293_a"},{"id":39686858,"contest_id":"abc293","epoch_second":1678636717,"problem_id":"abc293_b"},{"id":39710456,"contest_id":"abc293","epoch_second":1678722536,"problem_id":"abc293_c"},{"id":39732955,"contest_id":"arc158","epoch_second":1678807901,"problem_id":"arc158_a"},{"id":39754797,"contest_id":"abc293","epoch_second":1678893575,"problem_id":"abc293_d"},{"id":39775657,"contest_id":"arc107","epoch_second":1678981845,"problem_id":"arc107_c"},{"id":39795838,"contest_id":"arc046","epoch_second":1679065854,"problem_id":"arc046_b"},{"id":39816555,"contest_id":"ahc019","epoch_second":1679135549,"problem_id":"ahc019_a"},{"id":39823222,"contest_id":"ahc019","epoch_second":1679151188,"problem_id":"ahc019_a"},{"id":39823841,"contest_id":"typical90","epoch_second":1679152997,"problem_id":"typical90_aq"},{"id":39845807,"contest_id":"abc294","epoch_second":1679227439,"problem_id":"abc294_a"},{"id":39847699,"contest_id":"abc294","epoch_second":1679227531,"problem_id":"abc294_b"},{"id":39849389,"contest_id":"abc294","epoch_second":1679227632,"problem_id":"abc294_c"},{"id":39851496,"contest_id":"abc294","epoch_second":1679227774,"problem_id":"abc294_d"},{"id":39857131,"contest_id":"abc294","epoch_second":1679228301,"problem_id":"abc294_e"},{"id":39885385,"contest_id":"typical90","epoch_second":1679239199,"problem_id":"typical90_bt"},{"id":39894837,"contest_id":"ahc019","epoch_second":1679291066,"problem_id":"ahc019_a"},{"id":39896186,"contest_id":"ahc019","epoch_second":1679295422,"problem_id":"ahc019_a"},{"id":39909403,"contest_id":"typical90","epoch_second":1679327210,"problem_id":"typical90_m"},{"id":39922742,"contest_id":"ahc019","epoch_second":1679388960,"problem_id":"ahc019_a"},{"id":39923615,"contest_id":"ahc019","epoch_second":1679390822,"problem_id":"ahc019_a"},{"id":40300266,"contest_id":"ahc019","epoch_second":1679390822,"problem_id":"ahc019_b"},{"id":39932426,"contest_id":"tessoku-book","epoch_second":1679411403,"problem_id":"tessoku_book_a"},{"id":39953738,"contest_id":"typical90","epoch_second":1679498146,"problem_id":"typical90_ac"},{"id":39974385,"contest_id":"tessoku-book","epoch_second":1679583745,"problem_id":"tessoku_book_b"},{"id":39995301,"contest_id":"tessoku-book","epoch_second":1679670162,"problem_id":"tessoku_book_c"},{"id":40031056,"contest_id":"abc295","epoch_second":1679746353,"problem_id":"abc295_a"},{"id":40032879,"contest_id":"abc295","epoch_second":1679746523,"problem_id":"abc295_b"},{"id":40033594,"contest_id":"abc295","epoch_second":1679746595,"problem_id":"abc295_c"},{"id":40036490,"contest_id":"abc295","epoch_second":1679746934,"problem_id":"abc295_d"},{"id":40059031,"contest_id":"abc295","epoch_second":1679756417,"problem_id":"abc295_g"},{"id":40085334,"contest_id":"tessoku-book","epoch_second":1679843180,"problem_id":"tessoku_book_d"},{"id":40108393,"contest_id":"tessoku-book","epoch_second":1679929366,"problem_id":"tessoku_book_e"},{"id":40116329,"contest_id":"pakencamp-2022-day2","epoch_second":1679979344,"problem_id":"pakencamp_2022_day2_a"},{"id":40117208,"contest_id":"pakencamp-2022-day2","epoch_second":1679981804,"problem_id":"pakencamp_2022_day2_b"},{"id":40129790,"contest_id":"tessoku-book","epoch_second":1680016404,"problem_id":"math_and_algorithm_ai"},{"id":40151662,"contest_id":"tessoku-book","epoch_second":1680103487,"problem_id":"tessoku_book_g"},{"id":40170399,"contest_id":"tessoku-book","epoch_second":1680189389,"problem_id":"tessoku_book_h"},{"id":40189231,"contest_id":"tessoku-book","epoch_second":1680274956,"problem_id":"tessoku_book_i"},{"id":40207086,"contest_id":"abc296","epoch_second":1680350465,"problem_id":"abc296_a"},{"id":40211294,"contest_id":"abc296","epoch_second":1680350628,"problem_id":"abc296_b"},{"id":40213825,"contest_id":"abc296","epoch_second":1680350749,"problem_id":"abc296_c"},{"id":40226154,"contest_id":"abc296","epoch_second":1680351517,"problem_id":"abc296_d"},{"id":40241218,"contest_id":"abc296","epoch_second":1680353165,"problem_id":"abc296_e"},{"id":40272108,"contest_id":"abc296","epoch_second":1680361226,"problem_id":"abc296_f"},{"id":40298931,"contest_id":"tessoku-book","epoch_second":1680451138,"problem_id":"tessoku_book_j"},{"id":40318411,"contest_id":"tessoku-book","epoch_second":1680534246,"problem_id":"tessoku_book_k"},{"id":40338585,"contest_id":"typical90","epoch_second":1680622132,"problem_id":"typical90_bd"},{"id":40356318,"contest_id":"chokudai_S002","epoch_second":1680707206,"problem_id":"chokudai_S002_f"},{"id":40374094,"contest_id":"tessoku-book","epoch_second":1680793210,"problem_id":"tessoku_book_l"},{"id":40393488,"contest_id":"tessoku-book","epoch_second":1680879674,"problem_id":"tessoku_book_m"},{"id":40430443,"contest_id":"arc159","epoch_second":1680966963,"problem_id":"arc159_a"},{"id":40476969,"contest_id":"abc297","epoch_second":1681043809,"problem_id":"abc297_a"},{"id":40478041,"contest_id":"abc297","epoch_second":1681043976,"problem_id":"abc297_b"},{"id":40478827,"contest_id":"abc297","epoch_second":1681044109,"problem_id":"abc297_c"},{"id":40479991,"contest_id":"abc297","epoch_second":1681044320,"problem_id":"abc297_d"},{"id":40483879,"contest_id":"abc297","epoch_second":1681045130,"problem_id":"abc297_e"},{"id":40497552,"contest_id":"tessoku-book","epoch_second":1681052411,"problem_id":"tessoku_book_n"},{"id":40520269,"contest_id":"tessoku-book","epoch_second":1681139604,"problem_id":"tessoku_book_o"},{"id":40546700,"contest_id":"tessoku-book","epoch_second":1681226827,"problem_id":"tessoku_book_p"},{"id":40569770,"contest_id":"tessoku-book","epoch_second":1681311666,"problem_id":"tessoku_book_q"},{"id":40592147,"contest_id":"tessoku-book","epoch_second":1681398283,"problem_id":"tessoku_book_r"},{"id":40613243,"contest_id":"tessoku-book","epoch_second":1681484554,"problem_id":"tessoku_book_s"},{"id":40658660,"contest_id":"abc298","epoch_second":1681562936,"problem_id":"abc298_a"},{"id":40660113,"contest_id":"abc298","epoch_second":1681563148,"problem_id":"abc298_b"},{"id":40661461,"contest_id":"abc298","epoch_second":1681563365,"problem_id":"abc298_c"},{"id":40662510,"contest_id":"abc298","epoch_second":1681563536,"problem_id":"abc298_d"},{"id":40671820,"contest_id":"abc298","epoch_second":1681565283,"problem_id":"abc298_e"},{"id":40681897,"contest_id":"abc298","epoch_second":1681572108,"problem_id":"abc298_f"},{"id":40708426,"contest_id":"math-and-algorithm","epoch_second":1681657971,"problem_id":"math_and_algorithm_ae"},{"id":40731480,"contest_id":"math-and-algorithm","epoch_second":1681744971,"problem_id":"math_and_algorithm_af"},{"id":40752466,"contest_id":"gigacode-2019","epoch_second":1681835271,"problem_id":"gigacode_2019_a"},{"id":40772924,"contest_id":"gigacode-2019","epoch_second":1681917704,"problem_id":"gigacode_2019_b"},{"id":40793438,"contest_id":"math-and-algorithm","epoch_second":1682003650,"problem_id":"math_and_algorithm_ag"},{"id":40793443,"contest_id":"math-and-algorithm","epoch_second":1682003667,"problem_id":"math_and_algorithm_ag"},{"id":40812601,"contest_id":"math-and-algorithm","epoch_second":1682090355,"problem_id":"math_and_algorithm_aj"},{"id":40828943,"contest_id":"abc299","epoch_second":1682164909,"problem_id":"abc299_a"},{"id":40834038,"contest_id":"abc299","epoch_second":1682165191,"problem_id":"abc299_b"},{"id":40840401,"contest_id":"abc299","epoch_second":1682165697,"problem_id":"abc299_c"},{"id":40844727,"contest_id":"abc299","epoch_second":1682165963,"problem_id":"abc299_d"},{"id":40854708,"contest_id":"abc299","epoch_second":1682166830,"problem_id":"abc299_e"},{"id":40884092,"contest_id":"abc224","epoch_second":1682175620,"problem_id":"abc224_d"},{"id":40906874,"contest_id":"diverta2019-2","epoch_second":1682264379,"problem_id":"diverta2019_2_c"},{"id":40927247,"contest_id":"chokudai_S002","epoch_second":1682348634,"problem_id":"chokudai_S002_g"},{"id":40946667,"contest_id":"chokudai_S002","epoch_second":1682435343,"problem_id":"chokudai_S002_h"},{"id":40965896,"contest_id":"tkppc","epoch_second":1682522293,"problem_id":"tkppc2015_a"},{"id":40984849,"contest_id":"iroha2019-day1","epoch_second":1682609476,"problem_id":"iroha2019_day1_d"},{"id":41003445,"contest_id":"tkppc","epoch_second":1682694290,"problem_id":"tkppc2015_b"},{"id":41021247,"contest_id":"abc300","epoch_second":1682769642,"problem_id":"abc300_a"},{"id":41025485,"contest_id":"abc300","epoch_second":1682769804,"problem_id":"abc300_b"},{"id":41029065,"contest_id":"abc300","epoch_second":1682770225,"problem_id":"abc300_c"},{"id":41035167,"contest_id":"abc300","epoch_second":1682771365,"problem_id":"abc300_d"},{"id":41039470,"contest_id":"abc300","epoch_second":1682772335,"problem_id":"abc300_e"},{"id":41056854,"contest_id":"math-and-algorithm","epoch_second":1682782030,"problem_id":"math_and_algorithm_ak"},{"id":41079877,"contest_id":"abc103","epoch_second":1682869713,"problem_id":"abc103_d"},{"id":41103686,"contest_id":"abc078","epoch_second":1682956225,"problem_id":"arc085_b"},{"id":41138682,"contest_id":"joi2020yo1b","epoch_second":1683100681,"problem_id":"joi2020_yo1b_a"},{"id":41147837,"contest_id":"abc062","epoch_second":1683127399,"problem_id":"arc074_a"},{"id":41169149,"contest_id":"abc096","epoch_second":1683213417,"problem_id":"abc096_d"},{"id":41194875,"contest_id":"arc052","epoch_second":1683299535,"problem_id":"arc052_b"},{"id":41216264,"contest_id":"tenka1-2013-qualb","epoch_second":1683385279,"problem_id":"tenka1_2013_qualB_b"},{"id":41236478,"contest_id":"past202212-open","epoch_second":1683471834,"problem_id":"past202212_a"},{"id":41256214,"contest_id":"past202212-open","epoch_second":1683558215,"problem_id":"past202212_b"},{"id":41275171,"contest_id":"past202212-open","epoch_second":1683645259,"problem_id":"past202212_c"},{"id":41292657,"contest_id":"past202209-open","epoch_second":1683731224,"problem_id":"past202209_d"},{"id":41305318,"contest_id":"abc198","epoch_second":1683800648,"problem_id":"abc198_a"},{"id":41305354,"contest_id":"abc128","epoch_second":1683800775,"problem_id":"abc128_a"},{"id":41305384,"contest_id":"abc057","epoch_second":1683800863,"problem_id":"abc057_a"},{"id":41310982,"contest_id":"past202203-open","epoch_second":1683818573,"problem_id":"past202203_e"},{"id":41315804,"contest_id":"abc232","epoch_second":1683859226,"problem_id":"abc232_b"},{"id":41328646,"contest_id":"NYC2015","epoch_second":1683905741,"problem_id":"nyc2015_1"},{"id":41344510,"contest_id":"abc301","epoch_second":1683979318,"problem_id":"abc301_a"},{"id":41346656,"contest_id":"abc301","epoch_second":1683979416,"problem_id":"abc301_b"},{"id":41354168,"contest_id":"abc301","epoch_second":1683979933,"problem_id":"abc301_c"},{"id":41357540,"contest_id":"abc301","epoch_second":1683980247,"problem_id":"abc301_d"},{"id":41377784,"contest_id":"abc301","epoch_second":1683983030,"problem_id":"abc301_e"},{"id":41397968,"contest_id":"abc128","epoch_second":1683991398,"problem_id":"abc128_d"},{"id":41425342,"contest_id":"arc160","epoch_second":1684076612,"problem_id":"arc160_a"},{"id":41447230,"contest_id":"abc173","epoch_second":1684163986,"problem_id":"abc173_e"},{"id":41465826,"contest_id":"past202212-open","epoch_second":1684249850,"problem_id":"past202212_d"},{"id":41484058,"contest_id":"past202206-open","epoch_second":1684335632,"problem_id":"past202206_e"},{"id":41495264,"contest_id":"abc151","epoch_second":1684402121,"problem_id":"abc151_a"},{"id":41495293,"contest_id":"abc127","epoch_second":1684402193,"problem_id":"abc127_b"},{"id":41495327,"contest_id":"abc124","epoch_second":1684402275,"problem_id":"abc124_b"},{"id":41495359,"contest_id":"abc084","epoch_second":1684402365,"problem_id":"abc084_b"},{"id":41495379,"contest_id":"m-solutions2020","epoch_second":1684402416,"problem_id":"m_solutions2020_c"},{"id":41495412,"contest_id":"agc037","epoch_second":1684402485,"problem_id":"agc037_a"},{"id":41495529,"contest_id":"keyence2021","epoch_second":1684402851,"problem_id":"keyence2021_b"},{"id":41495565,"contest_id":"diverta2019","epoch_second":1684402967,"problem_id":"diverta2019_b"},{"id":41502373,"contest_id":"abc046","epoch_second":1684422556,"problem_id":"arc062_a"},{"id":41520534,"contest_id":"past202212-open","epoch_second":1684509373,"problem_id":"past202212_e"},{"id":41524766,"contest_id":"abc106","epoch_second":1684547502,"problem_id":"abc106_c"},{"id":41536649,"contest_id":"abc302","epoch_second":1684584037,"problem_id":"abc302_a"},{"id":41544405,"contest_id":"abc302","epoch_second":1684584516,"problem_id":"abc302_b"},{"id":41545748,"contest_id":"abc302","epoch_second":1684584677,"problem_id":"abc302_c"},{"id":41548326,"contest_id":"abc302","epoch_second":1684584983,"problem_id":"abc302_d"},{"id":41552589,"contest_id":"abc302","epoch_second":1684585495,"problem_id":"abc302_e"},{"id":41561763,"contest_id":"abc302","epoch_second":1684586777,"problem_id":"abc302_f"},{"id":41587114,"contest_id":"dwacon5th-prelims","epoch_second":1684597385,"problem_id":"dwacon5th_prelims_b"},{"id":41613115,"contest_id":"agc062","epoch_second":1684683538,"problem_id":"agc062_a"},{"id":41633987,"contest_id":"past202209-open","epoch_second":1684767894,"problem_id":"past202209_e"},{"id":41656005,"contest_id":"arc030","epoch_second":1684857922,"problem_id":"arc030_2"},{"id":41674573,"contest_id":"math-and-algorithm","epoch_second":1684942662,"problem_id":"math_and_algorithm_bq"},{"id":41692936,"contest_id":"math-and-algorithm","epoch_second":1685030335,"problem_id":"math_and_algorithm_bg"},{"id":41710516,"contest_id":"tessoku-book","epoch_second":1685114180,"problem_id":"tessoku_book_t"},{"id":41726477,"contest_id":"abc303","epoch_second":1685188908,"problem_id":"abc303_a"},{"id":41729149,"contest_id":"abc303","epoch_second":1685189052,"problem_id":"abc303_b"},{"id":41734099,"contest_id":"abc303","epoch_second":1685189356,"problem_id":"abc303_c"},{"id":41742187,"contest_id":"abc303","epoch_second":1685190068,"problem_id":"abc303_d"},{"id":41751097,"contest_id":"abc303","epoch_second":1685191047,"problem_id":"abc303_e"},{"id":41780930,"contest_id":"gwcontest2015","epoch_second":1685201617,"problem_id":"gw2015_a"},{"id":41818082,"contest_id":"abc065","epoch_second":1685286020,"problem_id":"arc076_b"},{"id":41838742,"contest_id":"arc161","epoch_second":1685372782,"problem_id":"arc161_a"},{"id":41859084,"contest_id":"arc161","epoch_second":1685460284,"problem_id":"arc161_b"},{"id":41877069,"contest_id":"bcu30-2019-qual","epoch_second":1685545758,"problem_id":"bcu30_2019_qual_a"},{"id":41896346,"contest_id":"bcu30","epoch_second":1685633435,"problem_id":"bcu30_a"},{"id":41916187,"contest_id":"tessoku-book","epoch_second":1685721102,"problem_id":"math_and_algorithm_ap"},{"id":41934958,"contest_id":"abc304","epoch_second":1685793852,"problem_id":"abc304_a"},{"id":41936914,"contest_id":"abc304","epoch_second":1685793948,"problem_id":"abc304_b"},{"id":41939316,"contest_id":"abc304","epoch_second":1685794081,"problem_id":"abc304_c"},{"id":41944295,"contest_id":"abc304","epoch_second":1685794438,"problem_id":"abc304_d"},{"id":41952307,"contest_id":"abc304","epoch_second":1685795318,"problem_id":"abc304_e"},{"id":41969717,"contest_id":"abc304","epoch_second":1685798541,"problem_id":"abc304_f"},{"id":41981129,"contest_id":"math-and-algorithm","epoch_second":1685806012,"problem_id":"math_and_algorithm_al"},{"id":42005502,"contest_id":"math-and-algorithm","epoch_second":1685892136,"problem_id":"math_and_algorithm_am"},{"id":42025155,"contest_id":"math-and-algorithm","epoch_second":1685977212,"problem_id":"math_and_algorithm_an"},{"id":42044662,"contest_id":"math-and-algorithm","epoch_second":1686064220,"problem_id":"math_and_algorithm_ao"},{"id":42063511,"contest_id":"math-and-algorithm","epoch_second":1686150010,"problem_id":"math_and_algorithm_aq"},{"id":42082917,"contest_id":"past202303-open","epoch_second":1686236870,"problem_id":"past202303_a"},{"id":42102924,"contest_id":"past202303-open","epoch_second":1686324453,"problem_id":"past202303_b"},{"id":42167499,"contest_id":"abc305","epoch_second":1686404790,"problem_id":"abc305_a"},{"id":42167667,"contest_id":"abc305","epoch_second":1686404868,"problem_id":"abc305_b"},{"id":42168221,"contest_id":"abc305","epoch_second":1686405136,"problem_id":"abc305_c"},{"id":42171928,"contest_id":"abc305","epoch_second":1686408622,"problem_id":"abc305_d"},{"id":42172167,"contest_id":"abc305","epoch_second":1686408973,"problem_id":"abc305_e"},{"id":42172772,"contest_id":"abc305","epoch_second":1686409989,"problem_id":"abc305_f"},{"id":42184317,"contest_id":"ahc020","epoch_second":1686463245,"problem_id":"ahc020_a"},{"id":42186701,"contest_id":"ahc020","epoch_second":1686466858,"problem_id":"ahc020_a"},{"id":42187025,"contest_id":"ahc020","epoch_second":1686467280,"problem_id":"ahc020_a"},{"id":42187719,"contest_id":"ahc020","epoch_second":1686468242,"problem_id":"ahc020_a"},{"id":42188103,"contest_id":"ahc020","epoch_second":1686468697,"problem_id":"ahc020_a"},{"id":42190533,"contest_id":"ahc020","epoch_second":1686471505,"problem_id":"ahc020_a"},{"id":42191375,"contest_id":"ahc020","epoch_second":1686472472,"problem_id":"ahc020_a"},{"id":42193765,"contest_id":"ahc020","epoch_second":1686474966,"problem_id":"ahc020_a"},{"id":42194117,"contest_id":"ahc020","epoch_second":1686475328,"problem_id":"ahc020_a"},{"id":42203650,"contest_id":"abc119","epoch_second":1686495672,"problem_id":"abc119_d"},{"id":42224104,"contest_id":"past202303-open","epoch_second":1686583884,"problem_id":"past202303_c"},{"id":42242606,"contest_id":"math-and-algorithm","epoch_second":1686668421,"problem_id":"math_and_algorithm_as"},{"id":42249860,"contest_id":"ahc020","epoch_second":1686717833,"problem_id":"ahc020_a"},{"id":42261930,"contest_id":"agc019","epoch_second":1686755817,"problem_id":"agc019_b"},{"id":42284177,"contest_id":"arc142","epoch_second":1686874591,"problem_id":"arc142_c"},{"id":42299331,"contest_id":"abc055","epoch_second":1686928804,"problem_id":"arc069_b"},{"id":42315636,"contest_id":"abc306","epoch_second":1687003253,"problem_id":"abc306_a"},{"id":42318393,"contest_id":"abc306","epoch_second":1687003306,"problem_id":"abc306_b"},{"id":42324618,"contest_id":"abc306","epoch_second":1687003475,"problem_id":"abc306_c"},{"id":42329939,"contest_id":"abc306","epoch_second":1687003698,"problem_id":"abc306_d"},{"id":42343855,"contest_id":"abc306","epoch_second":1687004843,"problem_id":"abc306_e"},{"id":42359475,"contest_id":"abc306","epoch_second":1687007934,"problem_id":"abc306_f"},{"id":42369779,"contest_id":"arc111","epoch_second":1687015148,"problem_id":"arc111_b"},{"id":42730727,"contest_id":"arc162","epoch_second":1687102290,"problem_id":"arc162_a"},{"id":42751841,"contest_id":"arc162","epoch_second":1687188264,"problem_id":"arc162_b"},{"id":42771652,"contest_id":"dp","epoch_second":1687276045,"problem_id":"dp_j"},{"id":42790921,"contest_id":"jag2013autumn","epoch_second":1687360212,"problem_id":"icpc2013autumn_b"},{"id":42832970,"contest_id":"tdpc","epoch_second":1687448626,"problem_id":"tdpc_contest"},{"id":42874294,"contest_id":"typical90","epoch_second":1687533092,"problem_id":"typical90_ay"},{"id":42905859,"contest_id":"abc307","epoch_second":1687609265,"problem_id":"abc307_a"},{"id":42906289,"contest_id":"abc307","epoch_second":1687609333,"problem_id":"abc307_b"},{"id":42927649,"contest_id":"abc307","epoch_second":1687613761,"problem_id":"abc307_d"},{"id":42932023,"contest_id":"abc307","epoch_second":1687615425,"problem_id":"abc307_c"},{"id":42934428,"contest_id":"abc307","epoch_second":1687618823,"problem_id":"abc307_e"},{"id":42946868,"contest_id":"ahc021","epoch_second":1687674532,"problem_id":"ahc021_a"},{"id":42947907,"contest_id":"ahc021","epoch_second":1687675941,"problem_id":"ahc021_a"},{"id":42948154,"contest_id":"ahc021","epoch_second":1687676245,"problem_id":"ahc021_a"},{"id":42948418,"contest_id":"ahc021","epoch_second":1687676545,"problem_id":"ahc021_a"},{"id":42948670,"contest_id":"ahc021","epoch_second":1687676846,"problem_id":"ahc021_a"},{"id":42948919,"contest_id":"ahc021","epoch_second":1687677153,"problem_id":"ahc021_a"},{"id":42949205,"contest_id":"ahc021","epoch_second":1687677517,"problem_id":"ahc021_a"},{"id":42949822,"contest_id":"ahc021","epoch_second":1687678185,"problem_id":"ahc021_a"},{"id":42951971,"contest_id":"ahc021","epoch_second":1687680564,"problem_id":"ahc021_a"},{"id":42952674,"contest_id":"ahc021","epoch_second":1687681356,"problem_id":"ahc021_a"},{"id":42953149,"contest_id":"ahc021","epoch_second":1687681943,"problem_id":"ahc021_a"},{"id":42953736,"contest_id":"ahc021","epoch_second":1687682609,"problem_id":"ahc021_a"},{"id":42955035,"contest_id":"ahc021","epoch_second":1687684043,"problem_id":"ahc021_a"},{"id":42956562,"contest_id":"ahc021","epoch_second":1687685575,"problem_id":"ahc021_a"},{"id":42956939,"contest_id":"ahc021","epoch_second":1687685921,"problem_id":"ahc021_a"},{"id":42957288,"contest_id":"ahc021","epoch_second":1687686223,"problem_id":"ahc021_a"},{"id":42957644,"contest_id":"ahc021","epoch_second":1687686523,"problem_id":"ahc021_a"},{"id":42958073,"contest_id":"ahc021","epoch_second":1687686828,"problem_id":"ahc021_a"},{"id":42958488,"contest_id":"ahc021","epoch_second":1687687131,"problem_id":"ahc021_a"},{"id":42965887,"contest_id":"abc196","epoch_second":1687706906,"problem_id":"abc196_d"},{"id":42970083,"contest_id":"ahc021","epoch_second":1687742063,"problem_id":"ahc021_a"},{"id":42970238,"contest_id":"ahc021","epoch_second":1687742769,"problem_id":"ahc021_a"},{"id":42970312,"contest_id":"ahc021","epoch_second":1687743112,"problem_id":"ahc021_a"},{"id":42970380,"contest_id":"ahc021","epoch_second":1687743416,"problem_id":"ahc021_a"},{"id":42986819,"contest_id":"abc123","epoch_second":1687791722,"problem_id":"abc123_d"},{"id":43007701,"contest_id":"abc155","epoch_second":1687878192,"problem_id":"abc155_e"},{"id":43032639,"contest_id":"abc060","epoch_second":1687968515,"problem_id":"arc073_b"},{"id":43051996,"contest_id":"joi2022yo2","epoch_second":1688052640,"problem_id":"joi2022_yo2_a"},{"id":43071284,"contest_id":"code-festival-2018-quala","epoch_second":1688138111,"problem_id":"code_festival_2018_quala_b"},{"id":43079441,"contest_id":"abc219","epoch_second":1688190848,"problem_id":"abc219_a"},{"id":43079449,"contest_id":"abc174","epoch_second":1688190871,"problem_id":"abc174_a"},{"id":43079459,"contest_id":"abc192","epoch_second":1688190902,"problem_id":"abc192_a"},{"id":43079468,"contest_id":"abc164","epoch_second":1688190934,"problem_id":"abc164_a"},{"id":43079485,"contest_id":"abc251","epoch_second":1688190974,"problem_id":"abc251_a"},{"id":43079498,"contest_id":"abc234","epoch_second":1688191018,"problem_id":"abc234_a"},{"id":43079504,"contest_id":"abc256","epoch_second":1688191036,"problem_id":"abc256_a"},{"id":43079519,"contest_id":"abc300","epoch_second":1688191079,"problem_id":"abc300_a"},{"id":43079537,"contest_id":"abc222","epoch_second":1688191115,"problem_id":"abc222_b"},{"id":43079546,"contest_id":"abc084","epoch_second":1688191138,"problem_id":"abc084_a"},{"id":43079614,"contest_id":"abc151","epoch_second":1688191320,"problem_id":"abc151_a"},{"id":43079654,"contest_id":"abc247","epoch_second":1688191409,"problem_id":"abc247_a"},{"id":43079664,"contest_id":"abc154","epoch_second":1688191429,"problem_id":"abc154_b"},{"id":43079678,"contest_id":"abc177","epoch_second":1688191464,"problem_id":"abc177_a"},{"id":43079686,"contest_id":"abc115","epoch_second":1688191490,"problem_id":"abc115_a"},{"id":43079735,"contest_id":"abc121","epoch_second":1688191677,"problem_id":"abc121_a"},{"id":43079752,"contest_id":"abc138","epoch_second":1688191713,"problem_id":"abc138_a"},{"id":43079763,"contest_id":"abc063","epoch_second":1688191740,"problem_id":"abc063_a"},{"id":43079769,"contest_id":"abc172","epoch_second":1688191776,"problem_id":"abc172_b"},{"id":43079787,"contest_id":"abc108","epoch_second":1688191812,"problem_id":"abc108_a"},{"id":43079813,"contest_id":"abc239","epoch_second":1688191913,"problem_id":"abc239_a"},{"id":43079825,"contest_id":"abc095","epoch_second":1688191951,"problem_id":"abc095_a"},{"id":43079850,"contest_id":"abc280","epoch_second":1688192046,"problem_id":"abc280_b"},{"id":43079881,"contest_id":"tenka1-2019-beginner","epoch_second":1688192117,"problem_id":"tenka1_2019_a"},{"id":43079892,"contest_id":"abc129","epoch_second":1688192151,"problem_id":"abc129_a"},{"id":43079900,"contest_id":"abc268","epoch_second":1688192183,"problem_id":"abc268_b"},{"id":43079945,"contest_id":"abc263","epoch_second":1688192306,"problem_id":"abc263_a"},{"id":43079966,"contest_id":"abc142","epoch_second":1688192370,"problem_id":"abc142_a"},{"id":43079988,"contest_id":"abc236","epoch_second":1688192434,"problem_id":"abc236_b"},{"id":43080039,"contest_id":"abc227","epoch_second":1688192560,"problem_id":"abc227_b"},{"id":43080067,"contest_id":"abc111","epoch_second":1688192638,"problem_id":"abc111_a"},{"id":43080081,"contest_id":"abc201","epoch_second":1688192707,"problem_id":"abc201_b"},{"id":43080089,"contest_id":"abc213","epoch_second":1688192737,"problem_id":"abc213_a"},{"id":43080169,"contest_id":"abc259","epoch_second":1688192957,"problem_id":"abc259_a"},{"id":43080193,"contest_id":"abc283","epoch_second":1688193029,"problem_id":"abc283_b"},{"id":43080224,"contest_id":"keyence2019","epoch_second":1688193112,"problem_id":"keyence2019_a"},{"id":43080264,"contest_id":"abc193","epoch_second":1688193220,"problem_id":"abc193_b"},{"id":43080286,"contest_id":"abc216","epoch_second":1688193274,"problem_id":"abc216_b"},{"id":43080309,"contest_id":"abc196","epoch_second":1688193325,"problem_id":"abc196_b"},{"id":43080337,"contest_id":"abc245","epoch_second":1688193391,"problem_id":"abc245_b"},{"id":43080361,"contest_id":"abc053","epoch_second":1688193457,"problem_id":"abc053_a"},{"id":43080386,"contest_id":"abc229","epoch_second":1688193539,"problem_id":"abc229_b"},{"id":43080409,"contest_id":"abc174","epoch_second":1688193587,"problem_id":"abc174_b"},{"id":43080426,"contest_id":"abc288","epoch_second":1688193626,"problem_id":"abc288_b"},{"id":43080446,"contest_id":"abc069","epoch_second":1688193678,"problem_id":"abc069_a"},{"id":43080498,"contest_id":"abc234","epoch_second":1688193789,"problem_id":"abc234_b"},{"id":43080515,"contest_id":"abc073","epoch_second":1688193827,"problem_id":"abc073_a"},{"id":43080545,"contest_id":"abc274","epoch_second":1688193899,"problem_id":"abc274_b"},{"id":43080566,"contest_id":"abc217","epoch_second":1688193946,"problem_id":"abc217_c"},{"id":43080599,"contest_id":"abc097","epoch_second":1688194017,"problem_id":"abc097_a"},{"id":43080645,"contest_id":"abc261","epoch_second":1688194127,"problem_id":"abc261_a"},{"id":43080686,"contest_id":"abc181","epoch_second":1688194243,"problem_id":"abc181_b"},{"id":43080694,"contest_id":"abc004","epoch_second":1688194265,"problem_id":"abc004_1"},{"id":43080708,"contest_id":"abc048","epoch_second":1688194299,"problem_id":"abc048_a"},{"id":43080746,"contest_id":"arc012","epoch_second":1688194390,"problem_id":"arc012_1"},{"id":43080754,"contest_id":"abc008","epoch_second":1688194409,"problem_id":"abc008_1"},{"id":43080785,"contest_id":"abc239","epoch_second":1688194494,"problem_id":"abc239_b"},{"id":43080916,"contest_id":"abc221","epoch_second":1688194853,"problem_id":"abc221_b"},{"id":43080932,"contest_id":"abc138","epoch_second":1688194909,"problem_id":"abc138_b"},{"id":43080950,"contest_id":"abc039","epoch_second":1688194943,"problem_id":"abc039_a"},{"id":43081010,"contest_id":"abc125","epoch_second":1688195145,"problem_id":"abc125_b"},{"id":43081050,"contest_id":"abc225","epoch_second":1688195231,"problem_id":"abc225_b"},{"id":43081105,"contest_id":"abc205","epoch_second":1688195355,"problem_id":"abc205_c"},{"id":43081189,"contest_id":"abc212","epoch_second":1688195551,"problem_id":"abc212_b"},{"id":43081250,"contest_id":"abc293","epoch_second":1688195714,"problem_id":"abc293_b"},{"id":43081377,"contest_id":"abc281","epoch_second":1688196025,"problem_id":"abc281_b"},{"id":43081403,"contest_id":"abc069","epoch_second":1688196073,"problem_id":"abc069_b"},{"id":43081432,"contest_id":"abc215","epoch_second":1688196124,"problem_id":"abc215_b"},{"id":43081477,"contest_id":"arc119","epoch_second":1688196250,"problem_id":"arc119_a"},{"id":43081524,"contest_id":"abc130","epoch_second":1688196348,"problem_id":"abc130_b"},{"id":43081562,"contest_id":"abc026","epoch_second":1688196435,"problem_id":"abc026_a"},{"id":43081594,"contest_id":"abc176","epoch_second":1688196513,"problem_id":"abc176_c"},{"id":43081616,"contest_id":"yahoo-procon2019-qual","epoch_second":1688196575,"problem_id":"yahoo_procon2019_qual_a"},{"id":43081671,"contest_id":"abc261","epoch_second":1688196705,"problem_id":"abc261_b"},{"id":43081687,"contest_id":"abc043","epoch_second":1688196740,"problem_id":"abc043_a"},{"id":43081699,"contest_id":"abc010","epoch_second":1688196761,"problem_id":"abc010_1"},{"id":43081765,"contest_id":"arc153","epoch_second":1688196935,"problem_id":"arc153_a"},{"id":43081792,"contest_id":"abc021","epoch_second":1688196989,"problem_id":"abc021_a"},{"id":43081869,"contest_id":"abc140","epoch_second":1688197155,"problem_id":"abc140_b"},{"id":43081898,"contest_id":"abc121","epoch_second":1688197249,"problem_id":"abc121_b"},{"id":43081961,"contest_id":"tenka1-2018-beginner","epoch_second":1688197376,"problem_id":"tenka1_2018_b"},{"id":43082005,"contest_id":"abc232","epoch_second":1688197471,"problem_id":"abc232_b"},{"id":43082036,"contest_id":"abc077","epoch_second":1688197563,"problem_id":"abc077_a"},{"id":43082085,"contest_id":"abc166","epoch_second":1688197667,"problem_id":"abc166_b"},{"id":43082128,"contest_id":"arc047","epoch_second":1688197761,"problem_id":"arc047_a"},{"id":43082168,"contest_id":"abc223","epoch_second":1688197858,"problem_id":"abc223_b"},{"id":43082182,"contest_id":"abc031","epoch_second":1688197895,"problem_id":"abc031_a"},{"id":43082211,"contest_id":"abc080","epoch_second":1688197959,"problem_id":"abc080_b"},{"id":43082230,"contest_id":"arc053","epoch_second":1688197995,"problem_id":"arc053_a"},{"id":43082266,"contest_id":"agc030","epoch_second":1688198085,"problem_id":"agc030_a"},{"id":43082299,"contest_id":"abc013","epoch_second":1688198159,"problem_id":"abc013_1"},{"id":43082347,"contest_id":"abc159","epoch_second":1688198294,"problem_id":"abc159_b"},{"id":43082390,"contest_id":"agc026","epoch_second":1688198403,"problem_id":"agc026_a"},{"id":43082399,"contest_id":"abc073","epoch_second":1688198444,"problem_id":"abc073_b"},{"id":43082408,"contest_id":"abc015","epoch_second":1688198466,"problem_id":"abc015_1"},{"id":43082462,"contest_id":"abc297","epoch_second":1688198588,"problem_id":"abc297_c"},{"id":43082507,"contest_id":"abc120","epoch_second":1688198714,"problem_id":"abc120_b"},{"id":43082656,"contest_id":"abc207","epoch_second":1688199075,"problem_id":"abc207_b"},{"id":43082781,"contest_id":"arc131","epoch_second":1688199349,"problem_id":"arc131_b"},{"id":43082803,"contest_id":"abc064","epoch_second":1688199412,"problem_id":"abc064_b"},{"id":43104779,"contest_id":"abc308","epoch_second":1688213731,"problem_id":"abc308_a"},{"id":43107183,"contest_id":"abc308","epoch_second":1688213889,"problem_id":"abc308_b"},{"id":43116467,"contest_id":"abc308","epoch_second":1688214624,"problem_id":"abc308_c"},{"id":43120435,"contest_id":"abc308","epoch_second":1688214981,"problem_id":"abc308_d"},{"id":43131077,"contest_id":"abc308","epoch_second":1688216154,"problem_id":"abc308_e"},{"id":43148703,"contest_id":"abc308","epoch_second":1688218602,"problem_id":"abc308_f"},{"id":43160960,"contest_id":"joi2022yo2","epoch_second":1688225025,"problem_id":"joi2022_yo2_b"},{"id":43194931,"contest_id":"arc163","epoch_second":1688302913,"problem_id":"arc163_a"},{"id":43196819,"contest_id":"arc163","epoch_second":1688303891,"problem_id":"arc163_b"},{"id":43204121,"contest_id":"arc163","epoch_second":1688310732,"problem_id":"arc163_c"},{"id":43230296,"contest_id":"joi2022yo1c","epoch_second":1688396987,"problem_id":"joi2022_yo1c_d"},{"id":43254461,"contest_id":"jag2016-domestic","epoch_second":1688484532,"problem_id":"jag2016secretspring_a"},{"id":43277744,"contest_id":"math-and-algorithm","epoch_second":1688571087,"problem_id":"math_and_algorithm_bc"},{"id":43298907,"contest_id":"pakencamp-2022-day1","epoch_second":1688655642,"problem_id":"pakencamp_2022_day1_a"},{"id":43320481,"contest_id":"pakencamp-2022-day1","epoch_second":1688749276,"problem_id":"pakencamp_2022_day1_b"},{"id":43329671,"contest_id":"xmascon18","epoch_second":1688798359,"problem_id":"xmascon18_a"},{"id":43362400,"contest_id":"abc309","epoch_second":1688819548,"problem_id":"abc309_a"},{"id":43364667,"contest_id":"abc309","epoch_second":1688819820,"problem_id":"abc309_b"},{"id":43366989,"contest_id":"abc309","epoch_second":1688820101,"problem_id":"abc309_c"},{"id":43369354,"contest_id":"abc309","epoch_second":1688820401,"problem_id":"abc309_d"},{"id":43382311,"contest_id":"abc309","epoch_second":1688822422,"problem_id":"abc309_e"},{"id":43396377,"contest_id":"abc309","epoch_second":1688828989,"problem_id":"abc309_f"},{"id":43430413,"contest_id":"arc164","epoch_second":1688908715,"problem_id":"arc164_a"},{"id":43434481,"contest_id":"arc164","epoch_second":1688910852,"problem_id":"arc164_c"},{"id":43438853,"contest_id":"arc164","epoch_second":1688917740,"problem_id":"arc164_b"},{"id":43465724,"contest_id":"soundhound2018-summer-qual","epoch_second":1689001443,"problem_id":"soundhound2018_summer_qual_c"},{"id":43490604,"contest_id":"abc091","epoch_second":1689089374,"problem_id":"arc092_a"},{"id":43514122,"contest_id":"past202303-open","epoch_second":1689174043,"problem_id":"past202303_e"},{"id":43537935,"contest_id":"abc059","epoch_second":1689261291,"problem_id":"arc072_a"},{"id":43562642,"contest_id":"abc100","epoch_second":1689348570,"problem_id":"abc100_d"},{"id":43598506,"contest_id":"abc310","epoch_second":1689423646,"problem_id":"abc310_a"},{"id":43601888,"contest_id":"abc310","epoch_second":1689423974,"problem_id":"abc310_b"},{"id":43604375,"contest_id":"abc310","epoch_second":1689424231,"problem_id":"abc310_c"},{"id":43649309,"contest_id":"abc310","epoch_second":1689433292,"problem_id":"abc310_d"},{"id":43675682,"contest_id":"donuts-2015","epoch_second":1689520632,"problem_id":"donuts_2015_3"},{"id":43700956,"contest_id":"abc017","epoch_second":1689606115,"problem_id":"abc017_3"},{"id":43731250,"contest_id":"abc054","epoch_second":1689694209,"problem_id":"abc054_d"},{"id":43757127,"contest_id":"arc151","epoch_second":1689779283,"problem_id":"arc151_b"},{"id":43776758,"contest_id":"abc166","epoch_second":1689849059,"problem_id":"abc166_a"},{"id":43783994,"contest_id":"abc310","epoch_second":1689866282,"problem_id":"abc310_e"},{"id":43807906,"contest_id":"arc136","epoch_second":1689951918,"problem_id":"arc136_b"},{"id":43884768,"contest_id":"abc311","epoch_second":1690038418,"problem_id":"abc311_a"},{"id":43912004,"contest_id":"abc311","epoch_second":1690124406,"problem_id":"abc311_b"},{"id":43936390,"contest_id":"abc311","epoch_second":1690211073,"problem_id":"abc311_c"},{"id":43956830,"contest_id":"abc311","epoch_second":1690298283,"problem_id":"abc311_d"},{"id":43976450,"contest_id":"abc311","epoch_second":1690383704,"problem_id":"abc311_e"},{"id":43996660,"contest_id":"abc134","epoch_second":1690470133,"problem_id":"abc134_e"},{"id":44015201,"contest_id":"arc021","epoch_second":1690556567,"problem_id":"arc021_2"},{"id":44031842,"contest_id":"abc312","epoch_second":1690632053,"problem_id":"abc312_a"},{"id":44052879,"contest_id":"abc312","epoch_second":1690633936,"problem_id":"abc312_b"},{"id":44055952,"contest_id":"abc312","epoch_second":1690634346,"problem_id":"abc312_d"},{"id":44058578,"contest_id":"abc312","epoch_second":1690634702,"problem_id":"abc312_c"},{"id":44074849,"contest_id":"abc312","epoch_second":1690637259,"problem_id":"abc312_f"},{"id":44087229,"contest_id":"abc312","epoch_second":1690643421,"problem_id":"abc312_e"},{"id":44120150,"contest_id":"past202303-open","epoch_second":1690729881,"problem_id":"past202303_d"},{"id":44144380,"contest_id":"past202303-open","epoch_second":1690815667,"problem_id":"past202303_f"},{"id":44166943,"contest_id":"agc063","epoch_second":1690902275,"problem_id":"agc063_a"},{"id":44190175,"contest_id":"past202203-open","epoch_second":1690989296,"problem_id":"past202203_f"},{"id":44213446,"contest_id":"abc063","epoch_second":1691074893,"problem_id":"arc075_b"},{"id":44235935,"contest_id":"abc099","epoch_second":1691161388,"problem_id":"abc099_d"},{"id":44255697,"contest_id":"abc313","epoch_second":1691236910,"problem_id":"abc313_a"},{"id":44261870,"contest_id":"abc313","epoch_second":1691237150,"problem_id":"abc313_b"},{"id":44272667,"contest_id":"abc313","epoch_second":1691237903,"problem_id":"abc313_c"},{"id":44313629,"contest_id":"abc313","epoch_second":1691248427,"problem_id":"abc313_d"},{"id":44323452,"contest_id":"codequeen2023-final-open","epoch_second":1691296252,"problem_id":"codequeen2023_final_a"},{"id":44323812,"contest_id":"codequeen2023-final-open","epoch_second":1691296448,"problem_id":"codequeen2023_final_b"},{"id":44324517,"contest_id":"codequeen2023-final-open","epoch_second":1691297235,"problem_id":"codequeen2023_final_c"},{"id":44334511,"contest_id":"newjudge-2308-algorithm","epoch_second":1691319664,"problem_id":"abc264_a"},{"id":44334777,"contest_id":"newjudge-2308-algorithm","epoch_second":1691319854,"problem_id":"abc273_b"},{"id":44334891,"contest_id":"newjudge-2308-algorithm","epoch_second":1691319955,"problem_id":"abc244_c"},{"id":44335128,"contest_id":"newjudge-2308-algorithm","epoch_second":1691320173,"problem_id":"abc309_d"},{"id":44335731,"contest_id":"newjudge-2308-algorithm","epoch_second":1691320767,"problem_id":"abc304_e"},{"id":44344746,"contest_id":"abc260","epoch_second":1691334316,"problem_id":"abc260_f"},{"id":44369740,"contest_id":"abc231","epoch_second":1691420499,"problem_id":"abc231_f"},{"id":44398812,"contest_id":"abc190","epoch_second":1691537316,"problem_id":"abc190_f"},{"id":44399198,"contest_id":"abc143","epoch_second":1691539854,"problem_id":"abc143_a"},{"id":44399205,"contest_id":"abc046","epoch_second":1691539878,"problem_id":"abc046_a"},{"id":44399229,"contest_id":"abc166","epoch_second":1691539975,"problem_id":"abc166_c"},{"id":44399271,"contest_id":"abc278","epoch_second":1691540127,"problem_id":"abc278_c"},{"id":44399343,"contest_id":"abc185","epoch_second":1691540390,"problem_id":"abc185_d"},{"id":44399395,"contest_id":"abc253","epoch_second":1691540621,"problem_id":"abc253_d"},{"id":44399440,"contest_id":"abc270","epoch_second":1691540805,"problem_id":"abc270_c"},{"id":44399666,"contest_id":"abc094","epoch_second":1691541638,"problem_id":"arc095_b"},{"id":44418314,"contest_id":"abc201","epoch_second":1691593579,"problem_id":"abc201_d"},{"id":44441918,"contest_id":"abc191","epoch_second":1691679988,"problem_id":"abc191_e"},{"id":44445950,"contest_id":"abc198","epoch_second":1691712702,"problem_id":"abc198_b"},{"id":44445965,"contest_id":"abc182","epoch_second":1691712788,"problem_id":"abc182_b"},{"id":44445980,"contest_id":"abc168","epoch_second":1691712848,"problem_id":"abc168_c"},{"id":44446002,"contest_id":"aising2020","epoch_second":1691713006,"problem_id":"aising2020_c"},{"id":44446104,"contest_id":"abc252","epoch_second":1691713501,"problem_id":"abc252_c"},{"id":44446146,"contest_id":"abc256","epoch_second":1691713711,"problem_id":"abc256_c"},{"id":44446170,"contest_id":"zone2021","epoch_second":1691713811,"problem_id":"zone2021_d"},{"id":44446327,"contest_id":"abc239","epoch_second":1691714579,"problem_id":"abc239_e"},{"id":44450821,"contest_id":"ahc022","epoch_second":1691727194,"problem_id":"ahc022_a"},{"id":44451463,"contest_id":"ahc022","epoch_second":1691729089,"problem_id":"ahc022_a"},{"id":44456871,"contest_id":"ahc022","epoch_second":1691741000,"problem_id":"ahc022_a"},{"id":44467614,"contest_id":"arc033","epoch_second":1691767004,"problem_id":"arc033_3"},{"id":44513349,"contest_id":"abc314","epoch_second":1691843982,"problem_id":"abc314_a"},{"id":44515297,"contest_id":"abc314","epoch_second":1691844250,"problem_id":"abc314_b"},{"id":44517355,"contest_id":"abc314","epoch_second":1691844547,"problem_id":"abc314_c"},{"id":44520343,"contest_id":"abc314","epoch_second":1691844997,"problem_id":"abc314_d"},{"id":44539257,"contest_id":"ahc022","epoch_second":1691851531,"problem_id":"ahc022_a"},{"id":44540026,"contest_id":"joi2020yo1c","epoch_second":1691853408,"problem_id":"joi2020_yo1c_a"},{"id":44540034,"contest_id":"ahc022","epoch_second":1691853421,"problem_id":"ahc022_a"},{"id":44546685,"contest_id":"ahc022","epoch_second":1691892925,"problem_id":"ahc022_a"},{"id":44547951,"contest_id":"ahc022","epoch_second":1691896440,"problem_id":"ahc022_a"},{"id":44552145,"contest_id":"ahc022","epoch_second":1691909082,"problem_id":"ahc022_a"},{"id":44553410,"contest_id":"ahc022","epoch_second":1691912017,"problem_id":"ahc022_a"},{"id":44555325,"contest_id":"ahc022","epoch_second":1691916548,"problem_id":"ahc022_a"},{"id":44556632,"contest_id":"ahc022","epoch_second":1691919900,"problem_id":"ahc022_a"},{"id":44557391,"contest_id":"ahc022","epoch_second":1691921705,"problem_id":"ahc022_a"},{"id":44566178,"contest_id":"ahc022","epoch_second":1691934436,"problem_id":"ahc022_a"},{"id":44568250,"contest_id":"ahc022","epoch_second":1691937164,"problem_id":"ahc022_a"},{"id":44570836,"contest_id":"joi2007yo","epoch_second":1691941805,"problem_id":"joi2007yo_b"},{"id":44574528,"contest_id":"abc107","epoch_second":1691971829,"problem_id":"abc107_a"},{"id":44574545,"contest_id":"abc226","epoch_second":1691971920,"problem_id":"abc226_b"},{"id":44574574,"contest_id":"abc187","epoch_second":1691972110,"problem_id":"abc187_c"},{"id":44574754,"contest_id":"abc222","epoch_second":1691972964,"problem_id":"abc222_c"},{"id":44574917,"contest_id":"abc096","epoch_second":1691973573,"problem_id":"abc096_c"},{"id":44575017,"contest_id":"abc278","epoch_second":1691973820,"problem_id":"abc278_d"},{"id":44575134,"contest_id":"abc233","epoch_second":1691974133,"problem_id":"abc233_c"},{"id":44575408,"contest_id":"abc109","epoch_second":1691974980,"problem_id":"abc109_d"},{"id":44596018,"contest_id":"otemae2019","epoch_second":1692027971,"problem_id":"otemae2019_a"},{"id":44609755,"contest_id":"ahc022","epoch_second":1692084257,"problem_id":"ahc022_a"},{"id":44610690,"contest_id":"ahc022","epoch_second":1692086149,"problem_id":"ahc022_a"},{"id":44611616,"contest_id":"ahc022","epoch_second":1692087969,"problem_id":"ahc022_a"},{"id":44613241,"contest_id":"ahc022","epoch_second":1692091276,"problem_id":"ahc022_a"},{"id":44613965,"contest_id":"ahc022","epoch_second":1692093076,"problem_id":"ahc022_a"},{"id":44614695,"contest_id":"ahc022","epoch_second":1692094882,"problem_id":"ahc022_a"},{"id":44615355,"contest_id":"ahc022","epoch_second":1692096683,"problem_id":"ahc022_a"},{"id":44618545,"contest_id":"ahc022","epoch_second":1692103038,"problem_id":"ahc022_a"},{"id":44622538,"contest_id":"abc267","epoch_second":1692111884,"problem_id":"abc267_e"},{"id":44626484,"contest_id":"abc236","epoch_second":1692144637,"problem_id":"abc236_a"},{"id":44626501,"contest_id":"abc065","epoch_second":1692144728,"problem_id":"abc065_a"},{"id":44626516,"contest_id":"abc202","epoch_second":1692144822,"problem_id":"abc202_c"},{"id":44626546,"contest_id":"abc183","epoch_second":1692145007,"problem_id":"abc183_c"},{"id":44626592,"contest_id":"abc259","epoch_second":1692145219,"problem_id":"abc259_c"},{"id":44626642,"contest_id":"abc254","epoch_second":1692145424,"problem_id":"abc254_c"},{"id":44626672,"contest_id":"abc248","epoch_second":1692145551,"problem_id":"abc248_c"},{"id":44626792,"contest_id":"abc112","epoch_second":1692146137,"problem_id":"abc112_c"},{"id":44626825,"contest_id":"abc046","epoch_second":1692146305,"problem_id":"arc062_a"},{"id":44627012,"contest_id":"ahc022","epoch_second":1692147120,"problem_id":"ahc022_a"},{"id":44628273,"contest_id":"ahc022","epoch_second":1692150787,"problem_id":"ahc022_a"},{"id":44629566,"contest_id":"ahc022","epoch_second":1692154203,"problem_id":"ahc022_a"},{"id":44630191,"contest_id":"ahc022","epoch_second":1692156005,"problem_id":"ahc022_a"},{"id":44637890,"contest_id":"ahc022","epoch_second":1692175538,"problem_id":"ahc022_a"},{"id":44640484,"contest_id":"ahc022","epoch_second":1692183798,"problem_id":"ahc022_a"},{"id":44646560,"contest_id":"abc151","epoch_second":1692198165,"problem_id":"abc151_e"},{"id":44650618,"contest_id":"abc160","epoch_second":1692231044,"problem_id":"abc160_b"},{"id":44650636,"contest_id":"abc192","epoch_second":1692231132,"problem_id":"abc192_c"},{"id":44650730,"contest_id":"abc055","epoch_second":1692231629,"problem_id":"abc055_b"},{"id":44650731,"contest_id":"abc228","epoch_second":1692231632,"problem_id":"abc228_c"},{"id":44650747,"contest_id":"abc198","epoch_second":1692231719,"problem_id":"abc198_c"},{"id":44650789,"contest_id":"abc094","epoch_second":1692231926,"problem_id":"arc095_a"},{"id":44650828,"contest_id":"abc299","epoch_second":1692232110,"problem_id":"abc299_d"},{"id":44650997,"contest_id":"abc277","epoch_second":1692232891,"problem_id":"abc277_e"},{"id":44653345,"contest_id":"ahc022","epoch_second":1692240623,"problem_id":"ahc022_a"},{"id":44656243,"contest_id":"ahc022","epoch_second":1692250092,"problem_id":"ahc022_a"},{"id":44657131,"contest_id":"ahc022","epoch_second":1692252500,"problem_id":"ahc022_a"},{"id":44659841,"contest_id":"ahc022","epoch_second":1692258591,"problem_id":"ahc022_a"},{"id":44660727,"contest_id":"ahc022","epoch_second":1692260454,"problem_id":"ahc022_a"},{"id":44661614,"contest_id":"ahc022","epoch_second":1692262685,"problem_id":"ahc022_a"},{"id":44669591,"contest_id":"agc064","epoch_second":1692285488,"problem_id":"agc064_a"},{"id":44670345,"contest_id":"ahc022","epoch_second":1692289230,"problem_id":"ahc022_a"},{"id":44670683,"contest_id":"ahc022","epoch_second":1692291394,"problem_id":"ahc022_a"},{"id":44690205,"contest_id":"abc186","epoch_second":1692372309,"problem_id":"abc186_e"},{"id":44695746,"contest_id":"ahc022","epoch_second":1692413329,"problem_id":"ahc022_a"},{"id":44698241,"contest_id":"ahc022","epoch_second":1692421879,"problem_id":"ahc022_a"},{"id":44698854,"contest_id":"ahc022","epoch_second":1692423826,"problem_id":"ahc022_a"},{"id":44700187,"contest_id":"ahc022","epoch_second":1692427289,"problem_id":"ahc022_a"},{"id":44707429,"contest_id":"abc315","epoch_second":1692446454,"problem_id":"abc315_a"},{"id":44711609,"contest_id":"abc315","epoch_second":1692446586,"problem_id":"abc315_b"},{"id":44720026,"contest_id":"abc315","epoch_second":1692447085,"problem_id":"abc315_c"},{"id":44733612,"contest_id":"abc315","epoch_second":1692448393,"problem_id":"abc315_e"},{"id":44746275,"contest_id":"abc315","epoch_second":1692449958,"problem_id":"abc315_f"},{"id":44757829,"contest_id":"abc315","epoch_second":1692451649,"problem_id":"abc315_d"},{"id":44770996,"contest_id":"abc175","epoch_second":1692458965,"problem_id":"abc175_d"},{"id":44786352,"contest_id":"ahc022","epoch_second":1692517988,"problem_id":"ahc022_a"},{"id":44787165,"contest_id":"ahc022","epoch_second":1692519790,"problem_id":"ahc022_a"},{"id":44787971,"contest_id":"ahc022","epoch_second":1692521600,"problem_id":"ahc022_a"},{"id":44799047,"contest_id":"ahc022","epoch_second":1692521600,"problem_id":"ahc022_b"},{"id":44796870,"contest_id":"past202212-open","epoch_second":1692544906,"problem_id":"past202212_f"},{"id":44806058,"contest_id":"abc117","epoch_second":1692576945,"problem_id":"abc117_a"},{"id":44806074,"contest_id":"abc206","epoch_second":1692577003,"problem_id":"abc206_c"},{"id":44806109,"contest_id":"abc195","epoch_second":1692577166,"problem_id":"abc195_c"},{"id":44806178,"contest_id":"abc194","epoch_second":1692577459,"problem_id":"abc194_c"},{"id":44806219,"contest_id":"abc154","epoch_second":1692577671,"problem_id":"abc154_d"},{"id":44806246,"contest_id":"abc063","epoch_second":1692577794,"problem_id":"arc075_a"},{"id":44806294,"contest_id":"abc258","epoch_second":1692578051,"problem_id":"abc258_d"},{"id":44806415,"contest_id":"abc271","epoch_second":1692578621,"problem_id":"abc271_d"},{"id":44830230,"contest_id":"abc242","epoch_second":1692632686,"problem_id":"abc242_e"},{"id":44833537,"contest_id":"abc134","epoch_second":1692663085,"problem_id":"abc134_b"},{"id":44833543,"contest_id":"abc234","epoch_second":1692663125,"problem_id":"abc234_c"},{"id":44833566,"contest_id":"tenka1-2017-beginner","epoch_second":1692663232,"problem_id":"tenka1_2017_b"},{"id":44833596,"contest_id":"abc262","epoch_second":1692663438,"problem_id":"abc262_c"},{"id":44833613,"contest_id":"abc292","epoch_second":1692663533,"problem_id":"abc292_c"},{"id":44833643,"contest_id":"abc234","epoch_second":1692663728,"problem_id":"abc234_d"},{"id":44833720,"contest_id":"m-solutions2020","epoch_second":1692664052,"problem_id":"m_solutions2020_d"},{"id":44833747,"contest_id":"abc070","epoch_second":1692664211,"problem_id":"abc070_d"},{"id":44852586,"contest_id":"abc215","epoch_second":1692717946,"problem_id":"abc215_e"},{"id":44874328,"contest_id":"past202209-open","epoch_second":1692802914,"problem_id":"past202209_f"},{"id":44881005,"contest_id":"aising2019","epoch_second":1692835875,"problem_id":"aising2019_a"},{"id":44881029,"contest_id":"abc161","epoch_second":1692835963,"problem_id":"abc161_b"},{"id":44881046,"contest_id":"abc181","epoch_second":1692836085,"problem_id":"abc181_c"},{"id":44881115,"contest_id":"abc185","epoch_second":1692836284,"problem_id":"abc185_c"},{"id":44881192,"contest_id":"abc260","epoch_second":1692836546,"problem_id":"abc260_c"},{"id":44881382,"contest_id":"abc255","epoch_second":1692837063,"problem_id":"abc255_c"},{"id":44881493,"contest_id":"abc122","epoch_second":1692837330,"problem_id":"abc122_c"},{"id":44881522,"contest_id":"abc052","epoch_second":1692837435,"problem_id":"arc067_b"},{"id":44899186,"contest_id":"arc126","epoch_second":1692889779,"problem_id":"arc126_b"},{"id":44918581,"contest_id":"agc056","epoch_second":1692975745,"problem_id":"agc056_a"},{"id":44925151,"contest_id":"maximum-cup-2023","epoch_second":1693022587,"problem_id":"maximum_cup_2023_a"},{"id":44949428,"contest_id":"abc317","epoch_second":1693051865,"problem_id":"abc317_a"},{"id":44950515,"contest_id":"abc317","epoch_second":1693051960,"problem_id":"abc317_b"},{"id":44952342,"contest_id":"abc317","epoch_second":1693052148,"problem_id":"abc317_c"},{"id":44956070,"contest_id":"abc317","epoch_second":1693052634,"problem_id":"abc317_d"},{"id":44962411,"contest_id":"abc317","epoch_second":1693053743,"problem_id":"abc317_e"},{"id":44984305,"contest_id":"joi2021yo1a","epoch_second":1693064714,"problem_id":"joi2021_yo1a_b"},{"id":44993685,"contest_id":"toyota2023summer-final-open","epoch_second":1693110295,"problem_id":"toyota2023summer_final_a"},{"id":44994091,"contest_id":"toyota2023summer-final-open","epoch_second":1693111004,"problem_id":"toyota2023summer_final_a"},{"id":44994286,"contest_id":"toyota2023summer-final-open","epoch_second":1693111305,"problem_id":"toyota2023summer_final_a"},{"id":45007717,"contest_id":"maximum-cup-2023","epoch_second":1693148469,"problem_id":"maximum_cup_2023_h"},{"id":45028477,"contest_id":"acl1","epoch_second":1693235324,"problem_id":"acl1_a"},{"id":45050247,"contest_id":"joi2020yo1a","epoch_second":1693322087,"problem_id":"joi2020_yo1a_b"},{"id":45071406,"contest_id":"joi2021yo1a","epoch_second":1693409720,"problem_id":"joi2021_yo1a_c"},{"id":45090586,"contest_id":"abc246","epoch_second":1693494138,"problem_id":"abc246_f"},{"id":45109831,"contest_id":"math-and-algorithm","epoch_second":1693581159,"problem_id":"math_and_algorithm_ar"},{"id":45145145,"contest_id":"abc318","epoch_second":1693657057,"problem_id":"abc318_a"},{"id":45147130,"contest_id":"abc318","epoch_second":1693657220,"problem_id":"abc318_b"},{"id":45150887,"contest_id":"abc318","epoch_second":1693657538,"problem_id":"abc318_c"},{"id":45165481,"contest_id":"abc318","epoch_second":1693658814,"problem_id":"abc318_d"},{"id":45175948,"contest_id":"abc318","epoch_second":1693659783,"problem_id":"abc318_e"},{"id":45201118,"contest_id":"abc257","epoch_second":1693668956,"problem_id":"abc257_f"},{"id":45227897,"contest_id":"math-and-algorithm","epoch_second":1693753626,"problem_id":"math_and_algorithm_ay"},{"id":45250727,"contest_id":"math-and-algorithm","epoch_second":1693841611,"problem_id":"math_and_algorithm_bh"},{"id":45255018,"contest_id":"abc070","epoch_second":1693872674,"problem_id":"abc070_a"},{"id":45255020,"contest_id":"abc180","epoch_second":1693872723,"problem_id":"abc180_c"},{"id":45255046,"contest_id":"abc247","epoch_second":1693872879,"problem_id":"abc247_b"},{"id":45255091,"contest_id":"jsc2021","epoch_second":1693873160,"problem_id":"jsc2021_c"},{"id":45255111,"contest_id":"abc288","epoch_second":1693873253,"problem_id":"abc288_c"},{"id":45255172,"contest_id":"abc230","epoch_second":1693873543,"problem_id":"abc230_c"},{"id":45255196,"contest_id":"abc220","epoch_second":1693873668,"problem_id":"abc220_d"},{"id":45255249,"contest_id":"abc261","epoch_second":1693874023,"problem_id":"abc261_d"},{"id":45272337,"contest_id":"abc210","epoch_second":1693929055,"problem_id":"abc210_d"},{"id":45276347,"contest_id":"abc250","epoch_second":1693959086,"problem_id":"abc250_a"},{"id":45276399,"contest_id":"abc263","epoch_second":1693959351,"problem_id":"abc263_c"},{"id":45276428,"contest_id":"abc170","epoch_second":1693959531,"problem_id":"abc170_c"},{"id":45276453,"contest_id":"abc224","epoch_second":1693959704,"problem_id":"abc224_c"},{"id":45276465,"contest_id":"abc159","epoch_second":1693959798,"problem_id":"abc159_d"},{"id":45276488,"contest_id":"abc131","epoch_second":1693959945,"problem_id":"abc131_d"},{"id":45276518,"contest_id":"abc189","epoch_second":1693960136,"problem_id":"abc189_d"},{"id":45276574,"contest_id":"abc188","epoch_second":1693960483,"problem_id":"abc188_d"},{"id":45278240,"contest_id":"ahc023","epoch_second":1693968697,"problem_id":"asprocon10_a"},{"id":45292539,"contest_id":"agc047","epoch_second":1694012839,"problem_id":"agc047_a"},{"id":45309219,"contest_id":"ahc023","epoch_second":1694089740,"problem_id":"asprocon10_a"},{"id":45309980,"contest_id":"ahc023","epoch_second":1694091541,"problem_id":"asprocon10_a"},{"id":45312698,"contest_id":"ahc023","epoch_second":1694098564,"problem_id":"asprocon10_a"},{"id":45312991,"contest_id":"abc117","epoch_second":1694099588,"problem_id":"abc117_d"},{"id":45317670,"contest_id":"ahc023","epoch_second":1694136137,"problem_id":"asprocon10_a"},{"id":45448706,"contest_id":"ahc023","epoch_second":1694137963,"problem_id":"asprocon10_b"},{"id":45318081,"contest_id":"ahc023","epoch_second":1694137963,"problem_id":"asprocon10_a"},{"id":45333718,"contest_id":"wtf22-day1-open","epoch_second":1694186775,"problem_id":"wtf22_day1_a"},{"id":45351267,"contest_id":"abc319","epoch_second":1694260892,"problem_id":"abc319_a"},{"id":45354958,"contest_id":"abc319","epoch_second":1694261063,"problem_id":"abc319_b"},{"id":45382288,"contest_id":"abc319","epoch_second":1694263087,"problem_id":"abc319_d"},{"id":45394335,"contest_id":"abc319","epoch_second":1694263985,"problem_id":"abc319_c"},{"id":45401096,"contest_id":"abc319","epoch_second":1694264571,"problem_id":"abc319_e"},{"id":45423088,"contest_id":"abc113","epoch_second":1694271859,"problem_id":"abc113_d"},{"id":45451524,"contest_id":"abc075","epoch_second":1694359513,"problem_id":"abc075_d"},{"id":45471562,"contest_id":"abc231","epoch_second":1694444455,"problem_id":"abc231_e"},{"id":45475106,"contest_id":"abc190","epoch_second":1694477710,"problem_id":"abc190_b"},{"id":45475108,"contest_id":"abc282","epoch_second":1694477712,"problem_id":"abc282_c"},{"id":45475128,"contest_id":"abc219","epoch_second":1694477803,"problem_id":"abc219_c"},{"id":45475157,"contest_id":"abc269","epoch_second":1694478003,"problem_id":"abc269_c"},{"id":45475172,"contest_id":"abc088","epoch_second":1694478097,"problem_id":"abc088_c"},{"id":45475190,"contest_id":"abc240","epoch_second":1694478255,"problem_id":"abc240_d"},{"id":45475215,"contest_id":"abc049","epoch_second":1694478435,"problem_id":"arc065_a"},{"id":45475256,"contest_id":"abc187","epoch_second":1694478728,"problem_id":"abc187_d"},{"id":45490683,"contest_id":"arc058","epoch_second":1694531125,"problem_id":"arc058_b"},{"id":45511475,"contest_id":"abc110","epoch_second":1694618914,"problem_id":"abc110_d"},{"id":45529920,"contest_id":"jag2015autumn","epoch_second":1694703993,"problem_id":"icpc2015autumn_b"},{"id":45552631,"contest_id":"abc150","epoch_second":1694790107,"problem_id":"abc150_d"},{"id":45587947,"contest_id":"abc320","epoch_second":1694865869,"problem_id":"abc320_a"},{"id":45589652,"contest_id":"abc320","epoch_second":1694865952,"problem_id":"abc320_b"},{"id":45603105,"contest_id":"abc320","epoch_second":1694866941,"problem_id":"abc320_d"},{"id":45607804,"contest_id":"abc320","epoch_second":1694867263,"problem_id":"abc320_c"},{"id":45618391,"contest_id":"abc320","epoch_second":1694868082,"problem_id":"abc320_e"},{"id":45650211,"contest_id":"joi2020yo1b","epoch_second":1694878090,"problem_id":"joi2020_yo1b_b"},{"id":45671845,"contest_id":"arc165","epoch_second":1694952763,"problem_id":"arc165_a"},{"id":45687706,"contest_id":"arc165","epoch_second":1694963940,"problem_id":"arc165_b"},{"id":45717372,"contest_id":"abc045","epoch_second":1695082236,"problem_id":"abc045_a"},{"id":45717375,"contest_id":"abc177","epoch_second":1695082276,"problem_id":"abc177_b"},{"id":45717388,"contest_id":"abc155","epoch_second":1695082357,"problem_id":"abc155_c"},{"id":45717409,"contest_id":"abc100","epoch_second":1695082507,"problem_id":"abc100_c"},{"id":45717422,"contest_id":"abc150","epoch_second":1695082579,"problem_id":"abc150_c"},{"id":45717469,"contest_id":"abc250","epoch_second":1695082824,"problem_id":"abc250_c"},{"id":45717484,"contest_id":"abc130","epoch_second":1695082929,"problem_id":"abc130_c"},{"id":45717615,"contest_id":"abc290","epoch_second":1695083772,"problem_id":"abc290_d"},{"id":45717844,"contest_id":"abc263","epoch_second":1695085362,"problem_id":"abc263_e"},{"id":45735669,"contest_id":"arc160","epoch_second":1695136340,"problem_id":"arc160_b"},{"id":45739866,"contest_id":"abc251","epoch_second":1695168951,"problem_id":"abc251_b"},{"id":45739898,"contest_id":"abc265","epoch_second":1695169095,"problem_id":"abc265_c"},{"id":45739937,"contest_id":"abc190","epoch_second":1695169230,"problem_id":"abc190_a"},{"id":45739978,"contest_id":"abc255","epoch_second":1695169404,"problem_id":"abc255_b"},{"id":45740002,"contest_id":"abl","epoch_second":1695169495,"problem_id":"abl_c"},{"id":45740049,"contest_id":"abc242","epoch_second":1695169666,"problem_id":"abc242_c"},{"id":45740089,"contest_id":"abc227","epoch_second":1695169836,"problem_id":"abc227_c"},{"id":45740377,"contest_id":"abc254","epoch_second":1695171096,"problem_id":"abc254_d"},{"id":45758124,"contest_id":"joi2021yo1c","epoch_second":1695223581,"problem_id":"joi2021_yo1c_b"},{"id":45762003,"contest_id":"abc187","epoch_second":1695255181,"problem_id":"abc187_b"},{"id":45762016,"contest_id":"hhkb2020","epoch_second":1695255296,"problem_id":"hhkb2020_b"},{"id":45762034,"contest_id":"abc262","epoch_second":1695255402,"problem_id":"abc262_b"},{"id":45762073,"contest_id":"abc193","epoch_second":1695255519,"problem_id":"abc193_c"},{"id":45762166,"contest_id":"abc175","epoch_second":1695255937,"problem_id":"abc175_c"},{"id":45762226,"contest_id":"abc256","epoch_second":1695256237,"problem_id":"abc256_d"},{"id":45762269,"contest_id":"abc213","epoch_second":1695256430,"problem_id":"abc213_d"},{"id":45762369,"contest_id":"abc246","epoch_second":1695256858,"problem_id":"abc246_d"},{"id":45780236,"contest_id":"agc053","epoch_second":1695309858,"problem_id":"agc053_a"},{"id":45783420,"contest_id":"abc091","epoch_second":1695341449,"problem_id":"abc091_a"},{"id":45783427,"contest_id":"aising2019","epoch_second":1695341509,"problem_id":"aising2019_b"},{"id":45783451,"contest_id":"abc239","epoch_second":1695341681,"problem_id":"abc239_d"},{"id":45783475,"contest_id":"abc024","epoch_second":1695341814,"problem_id":"abc024_b"},{"id":45783493,"contest_id":"code-festival-2014-morning-easy","epoch_second":1695341895,"problem_id":"code_festival_morning_easy_a"},{"id":45783518,"contest_id":"abc258","epoch_second":1695342068,"problem_id":"abc258_b"},{"id":45783600,"contest_id":"abc241","epoch_second":1695342533,"problem_id":"abc241_d"},{"id":45783641,"contest_id":"abc268","epoch_second":1695342795,"problem_id":"abc268_c"},{"id":45784376,"contest_id":"abc164","epoch_second":1695347196,"problem_id":"abc164_c"},{"id":45799216,"contest_id":"abc197","epoch_second":1695394974,"problem_id":"abc197_e"},{"id":45807870,"contest_id":"joi2024yo1a","epoch_second":1695447156,"problem_id":"joi2024_yo1a_a"},{"id":45807928,"contest_id":"joi2024yo1a","epoch_second":1695447378,"problem_id":"joi2024_yo1a_b"},{"id":45807981,"contest_id":"joi2024yo1a","epoch_second":1695447508,"problem_id":"joi2024_yo1a_c"},{"id":45807993,"contest_id":"joi2024yo1a","epoch_second":1695447541,"problem_id":"joi2024_yo1a_d"},{"id":45816671,"contest_id":"abc321","epoch_second":1695470468,"problem_id":"abc321_a"},{"id":45823331,"contest_id":"abc321","epoch_second":1695470752,"problem_id":"abc321_b"},{"id":45839696,"contest_id":"abc321","epoch_second":1695471877,"problem_id":"abc321_d"},{"id":45856055,"contest_id":"abc321","epoch_second":1695473113,"problem_id":"abc321_c"},{"id":45879193,"contest_id":"abc321","epoch_second":1695475522,"problem_id":"abc321_e"},{"id":45893686,"contest_id":"abc081","epoch_second":1695483639,"problem_id":"arc086_b"},{"id":45915406,"contest_id":"ahc024","epoch_second":1695547214,"problem_id":"ahc024_a"},{"id":45925902,"contest_id":"joi2021yo1c","epoch_second":1695567825,"problem_id":"joi2021_yo1c_c"},{"id":45929800,"contest_id":"joi2024yo1a","epoch_second":1695600630,"problem_id":"joi2024_yo1a_a"},{"id":45929812,"contest_id":"joi2024yo1a","epoch_second":1695600710,"problem_id":"joi2024_yo1a_b"},{"id":45929814,"contest_id":"joi2024yo1a","epoch_second":1695600716,"problem_id":"joi2024_yo1a_c"},{"id":45929822,"contest_id":"joi2024yo1a","epoch_second":1695600744,"problem_id":"joi2024_yo1a_d"},{"id":45929836,"contest_id":"abc159","epoch_second":1695600806,"problem_id":"abc159_c"},{"id":45929857,"contest_id":"abc189","epoch_second":1695600873,"problem_id":"abc189_b"},{"id":45929875,"contest_id":"arc147","epoch_second":1695600982,"problem_id":"arc147_a"},{"id":45929969,"contest_id":"arc125","epoch_second":1695601421,"problem_id":"arc125_a"},{"id":45948915,"contest_id":"arc155","epoch_second":1695655537,"problem_id":"arc155_a"},{"id":45952599,"contest_id":"joi2023yo1a","epoch_second":1695687028,"problem_id":"joi2023_yo1a_a"},{"id":45952603,"contest_id":"joi2023yo1a","epoch_second":1695687052,"problem_id":"joi2023_yo1a_b"},{"id":45952620,"contest_id":"joi2023yo1a","epoch_second":1695687145,"problem_id":"joi2023_yo1a_c"},{"id":45952635,"contest_id":"joi2023yo1a","epoch_second":1695687213,"problem_id":"joi2023_yo1a_d"},{"id":45952644,"contest_id":"abc132","epoch_second":1695687282,"problem_id":"abc132_b"},{"id":45952717,"contest_id":"arc136","epoch_second":1695687672,"problem_id":"arc136_a"},{"id":45952750,"contest_id":"arc105","epoch_second":1695687842,"problem_id":"arc105_b"},{"id":45952790,"contest_id":"abc231","epoch_second":1695688047,"problem_id":"abc231_d"},{"id":45971234,"contest_id":"joi2020yo1a","epoch_second":1695740969,"problem_id":"joi2020_yo1a_c"},{"id":45992851,"contest_id":"abc279","epoch_second":1695826964,"problem_id":"abc279_f"},{"id":46015756,"contest_id":"abc278","epoch_second":1695913328,"problem_id":"abc278_f"},{"id":46037086,"contest_id":"joi2020yo1c","epoch_second":1695999662,"problem_id":"joi2020_yo1c_b"},{"id":46057111,"contest_id":"abc322","epoch_second":1696075250,"problem_id":"abc322_a"},{"id":46060324,"contest_id":"abc322","epoch_second":1696075359,"problem_id":"abc322_b"},{"id":46063490,"contest_id":"abc322","epoch_second":1696075473,"problem_id":"abc322_c"},{"id":46086227,"contest_id":"abc322","epoch_second":1696076622,"problem_id":"abc322_d"},{"id":46098117,"contest_id":"abc322","epoch_second":1696077492,"problem_id":"abc322_e"},{"id":46114928,"contest_id":"abc322","epoch_second":1696080153,"problem_id":"abc322_f"},{"id":46124755,"contest_id":"joi2020yo1b","epoch_second":1696086369,"problem_id":"joi2020_yo1b_c"},{"id":46147065,"contest_id":"dp","epoch_second":1696172640,"problem_id":"dp_k"},{"id":46169143,"contest_id":"pakencamp-2020-day1","epoch_second":1696260219,"problem_id":"pakencamp_2020_day1_d"},{"id":46192900,"contest_id":"joi2016yo","epoch_second":1696346245,"problem_id":"joi2016yo_a"},{"id":46218018,"contest_id":"joi2020yo2","epoch_second":1696432725,"problem_id":"joi2020_yo2_a"},{"id":46241215,"contest_id":"joi2006yo","epoch_second":1696518980,"problem_id":"joi2006yo_a"},{"id":46261980,"contest_id":"abc237","epoch_second":1696604769,"problem_id":"abc237_f"},{"id":46281109,"contest_id":"abc323","epoch_second":1696680116,"problem_id":"abc323_a"},{"id":46286840,"contest_id":"abc323","epoch_second":1696680332,"problem_id":"abc323_b"},{"id":46295320,"contest_id":"abc323","epoch_second":1696680786,"problem_id":"abc323_c"},{"id":46299159,"contest_id":"abc323","epoch_second":1696680993,"problem_id":"abc323_d"},{"id":46324245,"contest_id":"abc323","epoch_second":1696682512,"problem_id":"abc323_e"},{"id":46358242,"contest_id":"abc255","epoch_second":1696693745,"problem_id":"abc255_f"},{"id":46358544,"contest_id":"pakencamp-2020-day1","epoch_second":1696694517,"problem_id":"pakencamp_2020_day1_d"},{"id":46358732,"contest_id":"pakencamp-2020-day1","epoch_second":1696695070,"problem_id":"pakencamp_2020_day1_d"},{"id":46383918,"contest_id":"arc166","epoch_second":1696770282,"problem_id":"arc166_a"},{"id":46384964,"contest_id":"arc166","epoch_second":1696770947,"problem_id":"arc166_b"},{"id":46391354,"contest_id":"arc022","epoch_second":1696777491,"problem_id":"arc022_3"},{"id":46415924,"contest_id":"arc027","epoch_second":1696864356,"problem_id":"arc027_2"},{"id":46439210,"contest_id":"abc080","epoch_second":1696952702,"problem_id":"abc080_d"},{"id":46460373,"contest_id":"arc039","epoch_second":1697037305,"problem_id":"arc039_b"},{"id":46473353,"contest_id":"abc214","epoch_second":1697102505,"problem_id":"abc214_a"},{"id":46473368,"contest_id":"aising2020","epoch_second":1697102540,"problem_id":"aising2020_b"},{"id":46473388,"contest_id":"abc038","epoch_second":1697102584,"problem_id":"abc038_b"},{"id":46473573,"contest_id":"abc177","epoch_second":1697103048,"problem_id":"abc177_e"},{"id":46473630,"contest_id":"abc289","epoch_second":1697103224,"problem_id":"abc289_d"},{"id":46473764,"contest_id":"abc149","epoch_second":1697103723,"problem_id":"abc149_d"},{"id":46473980,"contest_id":"abc223","epoch_second":1697104405,"problem_id":"abc223_c"},{"id":46474051,"contest_id":"abc088","epoch_second":1697104695,"problem_id":"abc088_d"},{"id":46481326,"contest_id":"past202206-open","epoch_second":1697124949,"problem_id":"past202206_f"},{"id":46500633,"contest_id":"past202203-open","epoch_second":1697211232,"problem_id":"past202203_g"},{"id":46580231,"contest_id":"abc324","epoch_second":1697290347,"problem_id":"abc324_e"},{"id":46582370,"contest_id":"abc324","epoch_second":1697290634,"problem_id":"abc324_d"},{"id":46591823,"contest_id":"abc324","epoch_second":1697295704,"problem_id":"abc324_c"},{"id":46617205,"contest_id":"ahc025","epoch_second":1697355218,"problem_id":"ahc025_a"},{"id":46618193,"contest_id":"ahc025","epoch_second":1697357052,"problem_id":"ahc025_a"},{"id":46636157,"contest_id":"ahc025","epoch_second":1697376680,"problem_id":"ahc025_a"},{"id":46642176,"contest_id":"arc167","epoch_second":1697382165,"problem_id":"arc167_a"},{"id":46649247,"contest_id":"ahc025","epoch_second":1697421485,"problem_id":"ahc025_a"},{"id":46668800,"contest_id":"abc324","epoch_second":1697469400,"problem_id":"abc324_b"},{"id":46683557,"contest_id":"adt_all_20231017_2","epoch_second":1697531480,"problem_id":"abc258_a"},{"id":46683662,"contest_id":"adt_all_20231017_2","epoch_second":1697531574,"problem_id":"abc308_a"},{"id":46683709,"contest_id":"adt_all_20231017_2","epoch_second":1697531622,"problem_id":"abc222_b"},{"id":46683836,"contest_id":"adt_all_20231017_2","epoch_second":1697531748,"problem_id":"abc250_b"},{"id":46683972,"contest_id":"adt_all_20231017_2","epoch_second":1697531909,"problem_id":"abc280_c"},{"id":46684219,"contest_id":"adt_all_20231017_2","epoch_second":1697532180,"problem_id":"abc279_c"},{"id":46684567,"contest_id":"adt_all_20231017_2","epoch_second":1697532570,"problem_id":"abc307_d"},{"id":46684862,"contest_id":"adt_all_20231017_2","epoch_second":1697532994,"problem_id":"abc319_e"},{"id":46685440,"contest_id":"adt_all_20231017_2","epoch_second":1697533902,"problem_id":"abc278_f"},{"id":46694925,"contest_id":"arc167","epoch_second":1697555064,"problem_id":"arc167_b"},{"id":46720876,"contest_id":"past202206-open","epoch_second":1697641680,"problem_id":"past202206_g"},{"id":46746791,"contest_id":"past202209-open","epoch_second":1697729834,"problem_id":"past202209_g"},{"id":46767401,"contest_id":"ahc025","epoch_second":1697810887,"problem_id":"ahc025_a"},{"id":46768093,"contest_id":"ahc025","epoch_second":1697812694,"problem_id":"ahc025_a"},{"id":46768659,"contest_id":"abc324","epoch_second":1697814203,"problem_id":"abc324_a"},{"id":46768748,"contest_id":"ahc025","epoch_second":1697814514,"problem_id":"ahc025_a"},{"id":46773344,"contest_id":"ahc025","epoch_second":1697845701,"problem_id":"ahc025_a"},{"id":46773645,"contest_id":"ahc025","epoch_second":1697847585,"problem_id":"ahc025_a"},{"id":46859649,"contest_id":"ahc025","epoch_second":1697865029,"problem_id":"ahc025_b"},{"id":46778964,"contest_id":"ahc025","epoch_second":1697865029,"problem_id":"ahc025_a"},{"id":46803071,"contest_id":"abc325","epoch_second":1697890543,"problem_id":"abc325_a"},{"id":46804730,"contest_id":"abc325","epoch_second":1697890739,"problem_id":"abc325_b"},{"id":46806394,"contest_id":"abc325","epoch_second":1697890955,"problem_id":"abc325_c"},{"id":46818239,"contest_id":"abc325","epoch_second":1697892965,"problem_id":"abc325_e"},{"id":46820568,"contest_id":"abc325","epoch_second":1697893457,"problem_id":"abc325_d"},{"id":46836996,"contest_id":"abc013","epoch_second":1697901548,"problem_id":"abc013_3"},{"id":46863339,"contest_id":"typical90","epoch_second":1697987049,"problem_id":"typical90_aj"},{"id":46883992,"contest_id":"abl","epoch_second":1698073262,"problem_id":"abl_d"},{"id":46908202,"contest_id":"gigacode-2019","epoch_second":1698161657,"problem_id":"gigacode_2019_c"},{"id":46930158,"contest_id":"joi2024yo1b","epoch_second":1698248458,"problem_id":"joi2024_yo1b_a"},{"id":46943478,"contest_id":"adt_all_20231026_2","epoch_second":1698312686,"problem_id":"abc305_a"},{"id":46943505,"contest_id":"adt_all_20231026_2","epoch_second":1698312735,"problem_id":"abc293_a"},{"id":46943600,"contest_id":"adt_all_20231026_2","epoch_second":1698312872,"problem_id":"abc244_b"},{"id":46943787,"contest_id":"adt_all_20231026_2","epoch_second":1698313226,"problem_id":"abc285_b"},{"id":46943857,"contest_id":"adt_all_20231026_2","epoch_second":1698313349,"problem_id":"abc251_c"},{"id":46944023,"contest_id":"adt_all_20231026_2","epoch_second":1698313646,"problem_id":"abc221_c"},{"id":46944205,"contest_id":"adt_all_20231026_2","epoch_second":1698313991,"problem_id":"abc243_d"},{"id":46952592,"contest_id":"abc143","epoch_second":1698335172,"problem_id":"abc143_e"},{"id":46973132,"contest_id":"arc007","epoch_second":1698420327,"problem_id":"arc007_3"},{"id":47029519,"contest_id":"abc326","epoch_second":1698497447,"problem_id":"abc326_a"},{"id":47030097,"contest_id":"abc326","epoch_second":1698497550,"problem_id":"abc326_b"},{"id":47030637,"contest_id":"abc326","epoch_second":1698497655,"problem_id":"abc326_c"},{"id":47043862,"contest_id":"abc326","epoch_second":1698500893,"problem_id":"abc326_d"},{"id":47047569,"contest_id":"abc326","epoch_second":1698505236,"problem_id":"abc326_e"},{"id":47074423,"contest_id":"joi2024yo1b","epoch_second":1698592483,"problem_id":"joi2024_yo1b_b"},{"id":47096362,"contest_id":"abc326","epoch_second":1698679788,"problem_id":"abc326_f"},{"id":47119272,"contest_id":"joig2022-open","epoch_second":1698765938,"problem_id":"joig2022_a"},{"id":47141471,"contest_id":"joi2024yo1b","epoch_second":1698851868,"problem_id":"joi2024_yo1b_c"},{"id":47163160,"contest_id":"joi2024yo1b","epoch_second":1698937992,"problem_id":"joi2024_yo1b_d"},{"id":47187180,"contest_id":"joi2006yo","epoch_second":1699024369,"problem_id":"joi2006yo_b"},{"id":47281503,"contest_id":"abc327","epoch_second":1699110561,"problem_id":"abc327_a"},{"id":47297509,"contest_id":"ahc026","epoch_second":1699165300,"problem_id":"ahc026_a"},{"id":47297705,"contest_id":"ahc026","epoch_second":1699165625,"problem_id":"ahc026_a"},{"id":47298140,"contest_id":"ahc026","epoch_second":1699166282,"problem_id":"ahc026_a"},{"id":47298603,"contest_id":"ahc026","epoch_second":1699166897,"problem_id":"ahc026_a"},{"id":47298875,"contest_id":"ahc026","epoch_second":1699167221,"problem_id":"ahc026_a"},{"id":47299401,"contest_id":"ahc026","epoch_second":1699167851,"problem_id":"ahc026_a"},{"id":47299668,"contest_id":"ahc026","epoch_second":1699168151,"problem_id":"ahc026_a"},{"id":47299944,"contest_id":"ahc026","epoch_second":1699168476,"problem_id":"ahc026_a"},{"id":47301123,"contest_id":"ahc026","epoch_second":1699169871,"problem_id":"ahc026_a"},{"id":47304201,"contest_id":"ahc026","epoch_second":1699173257,"problem_id":"ahc026_a"},{"id":47304723,"contest_id":"ahc026","epoch_second":1699173876,"problem_id":"ahc026_a"},{"id":47305104,"contest_id":"ahc026","epoch_second":1699174379,"problem_id":"ahc026_a"},{"id":47305340,"contest_id":"ahc026","epoch_second":1699174681,"problem_id":"ahc026_a"},{"id":47305625,"contest_id":"ahc026","epoch_second":1699174982,"problem_id":"ahc026_a"},{"id":47305854,"contest_id":"ahc026","epoch_second":1699175288,"problem_id":"ahc026_a"},{"id":47306090,"contest_id":"ahc026","epoch_second":1699175595,"problem_id":"ahc026_a"},{"id":47306330,"contest_id":"ahc026","epoch_second":1699175895,"problem_id":"ahc026_a"},{"id":47317205,"contest_id":"abc327","epoch_second":1699198026,"problem_id":"abc327_b"},{"id":47341854,"contest_id":"abc327","epoch_second":1699283954,"problem_id":"abc327_c"},{"id":47364422,"contest_id":"abc327","epoch_second":1699371020,"problem_id":"abc327_d"},{"id":47386900,"contest_id":"abc327","epoch_second":1699458197,"problem_id":"abc327_e"},{"id":47410116,"contest_id":"past202303-open","epoch_second":1699542986,"problem_id":"past202303_g"},{"id":47433776,"contest_id":"typical90","epoch_second":1699631522,"problem_id":"typical90_bh"},{"id":47466258,"contest_id":"abc328","epoch_second":1699704753,"problem_id":"abc328_a"},{"id":47469070,"contest_id":"abc328","epoch_second":1699704971,"problem_id":"abc328_b"},{"id":47470461,"contest_id":"abc328","epoch_second":1699705083,"problem_id":"abc328_c"},{"id":47471337,"contest_id":"abc328","epoch_second":1699705164,"problem_id":"abc328_d"},{"id":47490921,"contest_id":"abc328","epoch_second":1699707596,"problem_id":"abc328_f"},{"id":47495950,"contest_id":"abc328","epoch_second":1699708470,"problem_id":"abc328_e"},{"id":47510682,"contest_id":"snuke21","epoch_second":1699714935,"problem_id":"snuke21_a"},{"id":47537571,"contest_id":"abc074","epoch_second":1699803081,"problem_id":"arc083_b"},{"id":47559290,"contest_id":"abc122","epoch_second":1699888437,"problem_id":"abc122_d"},{"id":47581992,"contest_id":"abc027","epoch_second":1699977583,"problem_id":"abc027_c"},{"id":47603915,"contest_id":"abc018","epoch_second":1700061719,"problem_id":"abc018_3"},{"id":47625238,"contest_id":"abc023","epoch_second":1700148098,"problem_id":"abc023_c"},{"id":47645675,"contest_id":"abc041","epoch_second":1700233439,"problem_id":"abc041_d"},{"id":47672065,"contest_id":"abc329","epoch_second":1700308826,"problem_id":"abc329_a"},{"id":47676742,"contest_id":"abc329","epoch_second":1700308916,"problem_id":"abc329_b"},{"id":47681979,"contest_id":"abc329","epoch_second":1700309061,"problem_id":"abc329_c"},{"id":47688636,"contest_id":"abc329","epoch_second":1700309376,"problem_id":"abc329_d"},{"id":47701247,"contest_id":"abc329","epoch_second":1700310435,"problem_id":"abc329_e"},{"id":47707173,"contest_id":"abc329","epoch_second":1700311194,"problem_id":"abc329_f"},{"id":47736933,"contest_id":"abc029","epoch_second":1700322056,"problem_id":"abc029_d"},{"id":47768258,"contest_id":"arc168","epoch_second":1700406059,"problem_id":"arc168_a"},{"id":47788472,"contest_id":"past15-open","epoch_second":1700492498,"problem_id":"past202306_a"},{"id":47809788,"contest_id":"past15-open","epoch_second":1700580620,"problem_id":"past202306_b"},{"id":47830774,"contest_id":"past15-open","epoch_second":1700667753,"problem_id":"past202306_c"},{"id":47853509,"contest_id":"abc092","epoch_second":1700754175,"problem_id":"arc093_b"},{"id":47871840,"contest_id":"math-and-algorithm","epoch_second":1700838807,"problem_id":"math_and_algorithm_az"},{"id":47923551,"contest_id":"abc330","epoch_second":1700916455,"problem_id":"abc330_e"},{"id":47929908,"contest_id":"abc330","epoch_second":1700917476,"problem_id":"abc330_f"},{"id":47931678,"contest_id":"abc330","epoch_second":1700917779,"problem_id":"abc330_d"},{"id":47932287,"contest_id":"abc330","epoch_second":1700917883,"problem_id":"abc330_c"},{"id":47932948,"contest_id":"abc330","epoch_second":1700917996,"problem_id":"abc330_b"},{"id":47933178,"contest_id":"abc330","epoch_second":1700918037,"problem_id":"abc330_a"},{"id":47948531,"contest_id":"past202005-open","epoch_second":1700924879,"problem_id":"past202005_i"},{"id":47975509,"contest_id":"past202212-open","epoch_second":1701011688,"problem_id":"past202212_g"},{"id":47995756,"contest_id":"past15-open","epoch_second":1701100907,"problem_id":"past202306_d"},{"id":48016337,"contest_id":"past15-open","epoch_second":1701185197,"problem_id":"past202306_e"},{"id":48038443,"contest_id":"past15-open","epoch_second":1701271919,"problem_id":"past202306_f"},{"id":48057758,"contest_id":"past15-open","epoch_second":1701356595,"problem_id":"past202306_g"},{"id":48075828,"contest_id":"joi2024yo1c","epoch_second":1701443130,"problem_id":"joi2024_yo1c_a"},{"id":48096801,"contest_id":"abc331","epoch_second":1701518450,"problem_id":"abc331_a"},{"id":48105793,"contest_id":"abc331","epoch_second":1701518875,"problem_id":"abc331_b"},{"id":48107196,"contest_id":"abc331","epoch_second":1701518955,"problem_id":"abc331_c"},{"id":48130965,"contest_id":"abc331","epoch_second":1701521704,"problem_id":"abc331_e"},{"id":48137618,"contest_id":"abc331","epoch_second":1701522953,"problem_id":"abc331_d"},{"id":48151110,"contest_id":"joi2024yo1c","epoch_second":1701529233,"problem_id":"joi2024_yo1c_b"},{"id":48179301,"contest_id":"joi2024yo1c","epoch_second":1701618560,"problem_id":"joi2024_yo1c_c"},{"id":48197822,"contest_id":"joi2024yo1c","epoch_second":1701702786,"problem_id":"joi2024_yo1c_d"},{"id":48218902,"contest_id":"joig2023-open","epoch_second":1701789859,"problem_id":"joig2023_d"},{"id":48238006,"contest_id":"past202303-open","epoch_second":1701875605,"problem_id":"past202303_h"},{"id":48258292,"contest_id":"past202010-open","epoch_second":1701963518,"problem_id":"past202010_h"},{"id":48278344,"contest_id":"past16-open","epoch_second":1702050244,"problem_id":"past202309_a"},{"id":48327552,"contest_id":"arc169","epoch_second":1702134072,"problem_id":"arc169_a"},{"id":48363199,"contest_id":"abc332","epoch_second":1702209673,"problem_id":"abc332_a"},{"id":48366490,"contest_id":"abc332","epoch_second":1702209801,"problem_id":"abc332_b"},{"id":48371032,"contest_id":"abc332","epoch_second":1702210079,"problem_id":"abc332_c"},{"id":48377509,"contest_id":"abc332","epoch_second":1702210617,"problem_id":"abc332_d"},{"id":48406676,"contest_id":"abc332","epoch_second":1702217428,"problem_id":"abc332_f"},{"id":48411331,"contest_id":"abc332","epoch_second":1702221656,"problem_id":"abc332_e"},{"id":48433494,"contest_id":"past16-open","epoch_second":1702307038,"problem_id":"past202309_b"},{"id":48456177,"contest_id":"past16-open","epoch_second":1702395349,"problem_id":"past202309_c"},{"id":48476105,"contest_id":"past16-open","epoch_second":1702482414,"problem_id":"past202309_d"},{"id":48497038,"contest_id":"past16-open","epoch_second":1702570329,"problem_id":"past202309_e"},{"id":48514641,"contest_id":"past16-open","epoch_second":1702653036,"problem_id":"past202309_f"},{"id":48532334,"contest_id":"abc333","epoch_second":1702728024,"problem_id":"abc333_a"},{"id":48539410,"contest_id":"abc333","epoch_second":1702728209,"problem_id":"abc333_b"},{"id":48556911,"contest_id":"abc333","epoch_second":1702729231,"problem_id":"abc333_c"},{"id":48565756,"contest_id":"abc333","epoch_second":1702729846,"problem_id":"abc333_d"},{"id":48572754,"contest_id":"abc333","epoch_second":1702730363,"problem_id":"abc333_e"},{"id":48599317,"contest_id":"past16-open","epoch_second":1702741837,"problem_id":"past202309_g"},{"id":48626847,"contest_id":"past202012-open","epoch_second":1702826700,"problem_id":"past202012_h"},{"id":48645357,"contest_id":"past202104-open","epoch_second":1702913855,"problem_id":"past202104_h"},{"id":48663689,"contest_id":"joi2024yo2","epoch_second":1702999129,"problem_id":"joi2024_yo2_a"},{"id":48681479,"contest_id":"joi2024yo2","epoch_second":1703088251,"problem_id":"joi2024_yo2_b"},{"id":48699582,"contest_id":"abc006","epoch_second":1703173707,"problem_id":"abc006_4"},{"id":48716397,"contest_id":"past16-open","epoch_second":1703261702,"problem_id":"past202309_h"},{"id":48725470,"contest_id":"ahc029","epoch_second":1703313777,"problem_id":"ahc029_a"},{"id":48727673,"contest_id":"ahc029","epoch_second":1703318685,"problem_id":"ahc029_a"},{"id":48729482,"contest_id":"ahc029","epoch_second":1703322669,"problem_id":"ahc029_a"},{"id":48730272,"contest_id":"ahc029","epoch_second":1703325104,"problem_id":"ahc029_a"},{"id":48732885,"contest_id":"abc334","epoch_second":1703332840,"problem_id":"abc334_a"},{"id":48747875,"contest_id":"abc334","epoch_second":1703333705,"problem_id":"abc334_b"},{"id":48775017,"contest_id":"abc334","epoch_second":1703335710,"problem_id":"abc334_c"},{"id":48776332,"contest_id":"abc334","epoch_second":1703335854,"problem_id":"abc334_d"},{"id":48780179,"contest_id":"abc334","epoch_second":1703336293,"problem_id":"abc334_e"},{"id":48802856,"contest_id":"abc334","epoch_second":1703341062,"problem_id":"abc334_f"},{"id":48804963,"contest_id":"past15-open","epoch_second":1703344036,"problem_id":"past202306_h"},{"id":48812613,"contest_id":"ahc029","epoch_second":1703385636,"problem_id":"ahc029_a"},{"id":48867253,"contest_id":"ahc029","epoch_second":1703388795,"problem_id":"ahc029_b"},{"id":48813761,"contest_id":"ahc029","epoch_second":1703388795,"problem_id":"ahc029_a"},{"id":48830778,"contest_id":"past202212-open","epoch_second":1703432665,"problem_id":"past202212_h"},{"id":48847640,"contest_id":"abc313","epoch_second":1703516772,"problem_id":"abc313_e"},{"id":48870769,"contest_id":"past202203-open","epoch_second":1703604806,"problem_id":"past202203_h"},{"id":48888493,"contest_id":"abc166","epoch_second":1703692418,"problem_id":"abc166_f"},{"id":48905049,"contest_id":"abc245","epoch_second":1703776217,"problem_id":"abc245_e"},{"id":48920946,"contest_id":"past202206-open","epoch_second":1703864004,"problem_id":"past202206_h"},{"id":48939995,"contest_id":"past202112-open","epoch_second":1703950869,"problem_id":"past202112_h"},{"id":48962810,"contest_id":"abc153","epoch_second":1704043613,"problem_id":"abc153_f"},{"id":48975659,"contest_id":"past202005-open","epoch_second":1704122836,"problem_id":"past202005_j"},{"id":48990904,"contest_id":"arc059","epoch_second":1704207949,"problem_id":"arc059_b"},{"id":49007958,"contest_id":"abc045","epoch_second":1704294654,"problem_id":"arc061_b"},{"id":49025442,"contest_id":"arc161","epoch_second":1704381632,"problem_id":"arc161_d"},{"id":49042160,"contest_id":"joi2024yo2","epoch_second":1704468648,"problem_id":"joi2024_yo2_c"},{"id":49059428,"contest_id":"abc335","epoch_second":1704542429,"problem_id":"abc335_a"},{"id":49061439,"contest_id":"abc335","epoch_second":1704542472,"problem_id":"abc335_b"},{"id":49069328,"contest_id":"abc335","epoch_second":1704542699,"problem_id":"abc335_c"},{"id":49074729,"contest_id":"abc335","epoch_second":1704543057,"problem_id":"abc335_d"},{"id":49127286,"contest_id":"abc335","epoch_second":1704553606,"problem_id":"abc335_e"},{"id":49150468,"contest_id":"abc008","epoch_second":1704641755,"problem_id":"abc008_3"},{"id":49170570,"contest_id":"abc025","epoch_second":1704728020,"problem_id":"abc025_c"},{"id":49188065,"contest_id":"abc009","epoch_second":1704815196,"problem_id":"abc009_3"},{"id":49204787,"contest_id":"cf16-exhibition-final","epoch_second":1704899064,"problem_id":"cf16_exhibition_final_a"},{"id":49216031,"contest_id":"abc204","epoch_second":1704966668,"problem_id":"abc204_a"},{"id":49216039,"contest_id":"abc268","epoch_second":1704966700,"problem_id":"abc268_a"},{"id":49216127,"contest_id":"abc157","epoch_second":1704966936,"problem_id":"abc157_c"},{"id":49216160,"contest_id":"past201912-open","epoch_second":1704967060,"problem_id":"past201912_d"},{"id":49216176,"contest_id":"abc071","epoch_second":1704967109,"problem_id":"abc071_a"},{"id":49216206,"contest_id":"abc266","epoch_second":1704967188,"problem_id":"abc266_b"},{"id":49216335,"contest_id":"abc280","epoch_second":1704967642,"problem_id":"abc280_d"},{"id":49216352,"contest_id":"joi2024yo2","epoch_second":1704967731,"problem_id":"joi2024_yo2_a"},{"id":49216391,"contest_id":"abc074","epoch_second":1704967904,"problem_id":"abc074_b"},{"id":49216487,"contest_id":"abc132","epoch_second":1704968292,"problem_id":"abc132_d"},{"id":49216801,"contest_id":"joi2024yo2","epoch_second":1704969685,"problem_id":"joi2024_yo2_b"},{"id":49221774,"contest_id":"abc221","epoch_second":1704985684,"problem_id":"abc221_e"},{"id":49238333,"contest_id":"past202109-open","epoch_second":1705073254,"problem_id":"past202109_h"},{"id":49247776,"contest_id":"ahc028","epoch_second":1705129672,"problem_id":"ahc028_a"},{"id":49250555,"contest_id":"ahc028","epoch_second":1705133804,"problem_id":"ahc028_a"},{"id":49250909,"contest_id":"ahc028","epoch_second":1705134323,"problem_id":"ahc028_a"},{"id":49251205,"contest_id":"ahc028","epoch_second":1705134749,"problem_id":"ahc028_a"},{"id":49251513,"contest_id":"ahc028","epoch_second":1705135175,"problem_id":"ahc028_a"},{"id":49252933,"contest_id":"ahc028","epoch_second":1705136971,"problem_id":"ahc028_a"},{"id":49253232,"contest_id":"ahc028","epoch_second":1705137367,"problem_id":"ahc028_a"},{"id":49253472,"contest_id":"ahc028","epoch_second":1705137667,"problem_id":"ahc028_a"},{"id":49253796,"contest_id":"ahc028","epoch_second":1705138057,"problem_id":"ahc028_a"},{"id":49254509,"contest_id":"ahc028","epoch_second":1705138867,"problem_id":"ahc028_a"},{"id":49254828,"contest_id":"ahc028","epoch_second":1705139183,"problem_id":"ahc028_a"},{"id":49262675,"contest_id":"code-festival-2015-morning-easy","epoch_second":1705162906,"problem_id":"cf_2015_morning_easy_d"},{"id":49266544,"contest_id":"ahc028","epoch_second":1705200889,"problem_id":"ahc028_a"},{"id":49267123,"contest_id":"ahc028","epoch_second":1705203800,"problem_id":"ahc028_a"},{"id":49320433,"contest_id":"abc336","epoch_second":1705245400,"problem_id":"abc336_a"},{"id":49340904,"contest_id":"abc336","epoch_second":1705331595,"problem_id":"abc336_b"},{"id":49359746,"contest_id":"abc336","epoch_second":1705419253,"problem_id":"abc336_c"},{"id":49378205,"contest_id":"abc336","epoch_second":1705503732,"problem_id":"abc336_d"},{"id":49398387,"contest_id":"abc336","epoch_second":1705592278,"problem_id":"abc336_e"},{"id":49415995,"contest_id":"arc106","epoch_second":1705678991,"problem_id":"arc106_c"},{"id":49432750,"contest_id":"abc337","epoch_second":1705752054,"problem_id":"abc337_a"},{"id":49439306,"contest_id":"abc337","epoch_second":1705752245,"problem_id":"abc337_b"},{"id":49446648,"contest_id":"abc337","epoch_second":1705752506,"problem_id":"abc337_c"},{"id":49476380,"contest_id":"abc337","epoch_second":1705754216,"problem_id":"abc337_d"},{"id":49512508,"contest_id":"abc337","epoch_second":1705759349,"problem_id":"abc337_e"},{"id":49516613,"contest_id":"bitflyer2018-final-open","epoch_second":1705763842,"problem_id":"bitflyer2018_final_a"},{"id":49562961,"contest_id":"abc154","epoch_second":1705850746,"problem_id":"abc154_e"},{"id":49587537,"contest_id":"abc183","epoch_second":1705937748,"problem_id":"abc183_e"},{"id":49601568,"contest_id":"abc289","epoch_second":1706002435,"problem_id":"abc289_c"},{"id":49609548,"contest_id":"donuts-2015","epoch_second":1706023603,"problem_id":"donuts_2015_2"},{"id":49631518,"contest_id":"arc170","epoch_second":1706110363,"problem_id":"arc170_a"},{"id":49654068,"contest_id":"arc170","epoch_second":1706196142,"problem_id":"arc170_b"},{"id":49674490,"contest_id":"code-festival-2014-morning-easy","epoch_second":1706282738,"problem_id":"code_festival_morning_easy_c"},{"id":49691687,"contest_id":"abc338","epoch_second":1706356898,"problem_id":"abc338_a"},{"id":49693391,"contest_id":"abc338","epoch_second":1706356951,"problem_id":"abc338_b"},{"id":49703641,"contest_id":"abc338","epoch_second":1706357372,"problem_id":"abc338_c"},{"id":49743700,"contest_id":"abc338","epoch_second":1706363916,"problem_id":"abc338_d"},{"id":49745081,"contest_id":"abc338","epoch_second":1706364886,"problem_id":"abc338_e"},{"id":49748280,"contest_id":"abc338","epoch_second":1706370120,"problem_id":"abc338_f"},{"id":49773522,"contest_id":"code-festival-2018-qualb","epoch_second":1706459038,"problem_id":"code_festival_2018_qualb_a"},{"id":49796302,"contest_id":"abc183","epoch_second":1706542672,"problem_id":"abc183_f"},{"id":49819585,"contest_id":"abc118","epoch_second":1706627782,"problem_id":"abc118_d"},{"id":49846536,"contest_id":"arc040","epoch_second":1706714862,"problem_id":"arc040_c"},{"id":49869978,"contest_id":"abc223","epoch_second":1706802122,"problem_id":"abc223_f"},{"id":49893254,"contest_id":"bcu30-2019","epoch_second":1706889352,"problem_id":"bcu30_2019_a"},{"id":49913887,"contest_id":"abc339","epoch_second":1706961718,"problem_id":"abc339_a"},{"id":49918866,"contest_id":"abc339","epoch_second":1706961961,"problem_id":"abc339_b"},{"id":49919589,"contest_id":"abc339","epoch_second":1706962014,"problem_id":"abc339_c"},{"id":49942629,"contest_id":"abc339","epoch_second":1706963741,"problem_id":"abc339_e"},{"id":49947555,"contest_id":"abc339","epoch_second":1706964243,"problem_id":"abc339_f"},{"id":49963909,"contest_id":"abc339","epoch_second":1706966724,"problem_id":"abc339_d"},{"id":49977648,"contest_id":"abc275","epoch_second":1706975405,"problem_id":"abc275_f"},{"id":50019673,"contest_id":"arc171","epoch_second":1707059474,"problem_id":"arc171_a"},{"id":50043676,"contest_id":"abc325","epoch_second":1707145886,"problem_id":"abc325_f"},{"id":50065552,"contest_id":"joi2008yo","epoch_second":1707232378,"problem_id":"joi2008yo_a"},{"id":50085317,"contest_id":"joig2024-open","epoch_second":1707319274,"problem_id":"joig2024_a"},{"id":50103345,"contest_id":"joi2009yo","epoch_second":1707404407,"problem_id":"joi2009yo_a"},{"id":50121340,"contest_id":"abc291","epoch_second":1707491674,"problem_id":"abc291_f"},{"id":50165020,"contest_id":"abc340","epoch_second":1707568846,"problem_id":"abc340_a"},{"id":50165344,"contest_id":"abc340","epoch_second":1707568906,"problem_id":"abc340_b"},{"id":50167523,"contest_id":"abc340","epoch_second":1707569340,"problem_id":"abc340_c"},{"id":50168343,"contest_id":"abc340","epoch_second":1707569505,"problem_id":"abc340_d"},{"id":50171316,"contest_id":"abc340","epoch_second":1707570136,"problem_id":"abc340_e"},{"id":50178386,"contest_id":"abc340","epoch_second":1707571833,"problem_id":"abc340_f"},{"id":50188344,"contest_id":"joig2024-open","epoch_second":1707579113,"problem_id":"joig2024_b"},{"id":50212937,"contest_id":"abc007","epoch_second":1707665226,"problem_id":"abc007_4"},{"id":50234189,"contest_id":"joi2006ho","epoch_second":1707751220,"problem_id":"joi2006ho_a"},{"id":50253834,"contest_id":"joi2006ho","epoch_second":1707838304,"problem_id":"joi2006ho_b"},{"id":50273983,"contest_id":"joi2014yo","epoch_second":1707928488,"problem_id":"joi2014yo_a"},{"id":50292450,"contest_id":"abc272","epoch_second":1708009823,"problem_id":"abc272_e"},{"id":50296528,"contest_id":"abc205","epoch_second":1708041676,"problem_id":"abc205_c"},{"id":50296577,"contest_id":"abc225","epoch_second":1708042001,"problem_id":"abc225_c"},{"id":50296586,"contest_id":"abc106","epoch_second":1708042062,"problem_id":"abc106_c"},{"id":50296701,"contest_id":"abc006","epoch_second":1708042770,"problem_id":"abc006_2"},{"id":50296736,"contest_id":"abc265","epoch_second":1708043015,"problem_id":"abc265_e"},{"id":50296881,"contest_id":"abc144","epoch_second":1708043790,"problem_id":"abc144_d"},{"id":50311116,"contest_id":"abc066","epoch_second":1708095843,"problem_id":"arc077_b"},{"id":50328153,"contest_id":"abc341","epoch_second":1708171228,"problem_id":"abc341_a"},{"id":50333184,"contest_id":"abc341","epoch_second":1708171337,"problem_id":"abc341_b"},{"id":50336776,"contest_id":"abc341","epoch_second":1708171480,"problem_id":"abc341_c"},{"id":50367542,"contest_id":"abc341","epoch_second":1708173810,"problem_id":"abc341_d"},{"id":50375241,"contest_id":"abc341","epoch_second":1708174751,"problem_id":"abc341_e"},{"id":50395546,"contest_id":"abc341","epoch_second":1708182007,"problem_id":"abc341_f"},{"id":50431398,"contest_id":"arc172","epoch_second":1708269273,"problem_id":"arc172_a"},{"id":50435926,"contest_id":"abc093","epoch_second":1708300872,"problem_id":"abc093_a"},{"id":50435941,"contest_id":"m-solutions2020","epoch_second":1708300917,"problem_id":"m_solutions2020_c"},{"id":50436029,"contest_id":"abc174","epoch_second":1708301367,"problem_id":"abc174_d"},{"id":50436098,"contest_id":"abc072","epoch_second":1708301689,"problem_id":"arc082_b"},{"id":50436215,"contest_id":"abc304","epoch_second":1708302115,"problem_id":"abc304_e"},{"id":50436277,"contest_id":"abc310","epoch_second":1708302390,"problem_id":"abc310_e"},{"id":50436391,"contest_id":"abc243","epoch_second":1708302986,"problem_id":"abc243_e"},{"id":50456977,"contest_id":"tenka1-2018-beginner","epoch_second":1708356024,"problem_id":"tenka1_2018_d"},{"id":50457253,"contest_id":"arc137","epoch_second":1708357369,"problem_id":"arc137_c"},{"id":50457624,"contest_id":"abc258","epoch_second":1708359329,"problem_id":"abc258_g"},{"id":50460244,"contest_id":"abc076","epoch_second":1708387249,"problem_id":"abc076_a"},{"id":50460247,"contest_id":"abc179","epoch_second":1708387321,"problem_id":"abc179_c"},{"id":50460298,"contest_id":"abc250","epoch_second":1708387623,"problem_id":"abc250_c"},{"id":50460364,"contest_id":"abc258","epoch_second":1708387989,"problem_id":"abc258_d"},{"id":50460469,"contest_id":"abc235","epoch_second":1708388514,"problem_id":"abc235_d"},{"id":50460664,"contest_id":"abc323","epoch_second":1708389650,"problem_id":"abc323_e"},{"id":50477215,"contest_id":"typical90","epoch_second":1708441085,"problem_id":"typical90_a"},{"id":50477262,"contest_id":"typical90","epoch_second":1708441206,"problem_id":"typical90_b"},{"id":50477341,"contest_id":"typical90","epoch_second":1708441400,"problem_id":"typical90_c"},{"id":50477363,"contest_id":"typical90","epoch_second":1708441487,"problem_id":"typical90_d"},{"id":50477449,"contest_id":"typical90","epoch_second":1708441795,"problem_id":"typical90_f"},{"id":50500601,"contest_id":"typical90","epoch_second":1708528147,"problem_id":"typical90_g"},{"id":50500699,"contest_id":"typical90","epoch_second":1708528553,"problem_id":"typical90_h"},{"id":50500738,"contest_id":"typical90","epoch_second":1708528718,"problem_id":"typical90_j"},{"id":50500862,"contest_id":"typical90","epoch_second":1708529227,"problem_id":"typical90_k"},{"id":50520064,"contest_id":"abc032","epoch_second":1708614397,"problem_id":"abc032_d"},{"id":50541571,"contest_id":"language-test-ver1","epoch_second":1708704180,"problem_id":"test001_a"},{"id":50616790,"contest_id":"abc342","epoch_second":1708787164,"problem_id":"abc342_a"},{"id":50644904,"contest_id":"abc256","epoch_second":1708873842,"problem_id":"abc256_f"},{"id":50644992,"contest_id":"abc342","epoch_second":1708874104,"problem_id":"abc342_b"},{"id":50650387,"contest_id":"abc227","epoch_second":1708912045,"problem_id":"abc227_d"},{"id":50650611,"contest_id":"abc061","epoch_second":1708913196,"problem_id":"abc061_d"},{"id":50655826,"contest_id":"abc228","epoch_second":1708933242,"problem_id":"abc228_e"},{"id":50656179,"contest_id":"abc244","epoch_second":1708934228,"problem_id":"abc244_f"},{"id":50656712,"contest_id":"abc270","epoch_second":1708935740,"problem_id":"abc270_f"},{"id":50665790,"contest_id":"abc342","epoch_second":1708959650,"problem_id":"abc342_c"},{"id":50691826,"contest_id":"abc342","epoch_second":1709076979,"problem_id":"abc342_d"},{"id":50709020,"contest_id":"abc342","epoch_second":1709132437,"problem_id":"abc342_e"},{"id":50729654,"contest_id":"typical90","epoch_second":1709219825,"problem_id":"typical90_l"},{"id":50729678,"contest_id":"typical90","epoch_second":1709219977,"problem_id":"typical90_m"},{"id":50729698,"contest_id":"tessoku-book","epoch_second":1709220100,"problem_id":"tessoku_book_y"},{"id":50747444,"contest_id":"abc013","epoch_second":1709305333,"problem_id":"abc013_4"},{"id":50762335,"contest_id":"abc287","epoch_second":1709369438,"problem_id":"abc287_g"},{"id":50762849,"contest_id":"abc238","epoch_second":1709370592,"problem_id":"abc238_e"},{"id":50766898,"contest_id":"abc343","epoch_second":1709380835,"problem_id":"abc343_a"},{"id":50769616,"contest_id":"abc343","epoch_second":1709380886,"problem_id":"abc343_b"},{"id":50773501,"contest_id":"abc343","epoch_second":1709380962,"problem_id":"abc343_c"},{"id":50782111,"contest_id":"abc343","epoch_second":1709381222,"problem_id":"abc343_d"},{"id":50802774,"contest_id":"abc343","epoch_second":1709382354,"problem_id":"abc343_f"},{"id":50835410,"contest_id":"abc343","epoch_second":1709386001,"problem_id":"abc343_g"},{"id":50850289,"contest_id":"abc343","epoch_second":1709392487,"problem_id":"abc343_e"},{"id":50886249,"contest_id":"tessoku-book","epoch_second":1709479884,"problem_id":"tessoku_book_bz"},{"id":50908669,"contest_id":"tessoku-book","epoch_second":1709564515,"problem_id":"tessoku_book_x"},{"id":50933336,"contest_id":"tessoku-book","epoch_second":1709651542,"problem_id":"tessoku_book_z"},{"id":50956696,"contest_id":"tessoku-book","epoch_second":1709737832,"problem_id":"tessoku_book_w"},{"id":50960644,"contest_id":"abc153","epoch_second":1709769704,"problem_id":"abc153_c"},{"id":50960683,"contest_id":"abc255","epoch_second":1709770132,"problem_id":"abc255_b"},{"id":50960734,"contest_id":"abc249","epoch_second":1709770448,"problem_id":"abc249_c"},{"id":50960758,"contest_id":"abc129","epoch_second":1709770557,"problem_id":"abc129_c"},{"id":50960815,"contest_id":"abc317","epoch_second":1709770865,"problem_id":"abc317_d"},{"id":50960902,"contest_id":"abc300","epoch_second":1709771307,"problem_id":"abc300_e"},{"id":50961185,"contest_id":"abc294","epoch_second":1709772774,"problem_id":"abc294_g"},{"id":50979667,"contest_id":"tessoku-book","epoch_second":1709828524,"problem_id":"tessoku_book_ab"},{"id":50999823,"contest_id":"tessoku-book","epoch_second":1709914100,"problem_id":"tessoku_book_u"},{"id":51101478,"contest_id":"abc344","epoch_second":1709997911,"problem_id":"abc344_a"},{"id":51140230,"contest_id":"abc344","epoch_second":1710083706,"problem_id":"abc344_b"},{"id":51162645,"contest_id":"abc344","epoch_second":1710169424,"problem_id":"abc344_c"},{"id":51184716,"contest_id":"abc344","epoch_second":1710255798,"problem_id":"abc344_d"},{"id":51207454,"contest_id":"abc344","epoch_second":1710342853,"problem_id":"abc344_e"},{"id":51229954,"contest_id":"tupc2023","epoch_second":1710429679,"problem_id":"tupc2023_a"},{"id":51251595,"contest_id":"tessoku-book","epoch_second":1710515606,"problem_id":"tessoku_book_v"},{"id":51337867,"contest_id":"abc345","epoch_second":1710595243,"problem_id":"abc345_a"},{"id":51338299,"contest_id":"abc345","epoch_second":1710595302,"problem_id":"abc345_b"},{"id":51342035,"contest_id":"abc345","epoch_second":1710595791,"problem_id":"abc345_c"},{"id":51356663,"contest_id":"abc345","epoch_second":1710602580,"problem_id":"abc345_d"},{"id":51368948,"contest_id":"utpc2023","epoch_second":1710649376,"problem_id":"utpc2023_l"},{"id":51369845,"contest_id":"utpc2023","epoch_second":1710651253,"problem_id":"utpc2023_n"},{"id":51401168,"contest_id":"arc174","epoch_second":1710687904,"problem_id":"arc174_a"},{"id":51425920,"contest_id":"arc174","epoch_second":1710774123,"problem_id":"arc174_b"},{"id":51451619,"contest_id":"tessoku-book","epoch_second":1710861846,"problem_id":"tessoku_book_ad"},{"id":51475767,"contest_id":"tessoku-book","epoch_second":1710947500,"problem_id":"tessoku_book_ae"},{"id":51498311,"contest_id":"tessoku-book","epoch_second":1711034152,"problem_id":"tessoku_book_ca"},{"id":51520589,"contest_id":"tessoku-book","epoch_second":1711119685,"problem_id":"tessoku_book_cb"},{"id":51618788,"contest_id":"abc346","epoch_second":1711207280,"problem_id":"abc346_a"},{"id":51660702,"contest_id":"abc346","epoch_second":1711295307,"problem_id":"abc346_b"},{"id":51685061,"contest_id":"abc346","epoch_second":1711379552,"problem_id":"abc346_c"},{"id":51712755,"contest_id":"abc346","epoch_second":1711467398,"problem_id":"abc346_d"},{"id":51736944,"contest_id":"pakencamp-2023-day1","epoch_second":1711554019,"problem_id":"pakencamp_2023_day1_a"},{"id":51758758,"contest_id":"arc001","epoch_second":1711639429,"problem_id":"arc001_3"},{"id":51778571,"contest_id":"pakencamp-2023-day1","epoch_second":1711725927,"problem_id":"pakencamp_2023_day1_b"},{"id":51798765,"contest_id":"abc347","epoch_second":1711800042,"problem_id":"abc347_a"},{"id":51800409,"contest_id":"abc347","epoch_second":1711800086,"problem_id":"abc347_b"},{"id":51819270,"contest_id":"abc347","epoch_second":1711800894,"problem_id":"abc347_c"},{"id":51828420,"contest_id":"abc347","epoch_second":1711801533,"problem_id":"abc347_d"},{"id":51833574,"contest_id":"abc347","epoch_second":1711801914,"problem_id":"abc347_e"},{"id":51887825,"contest_id":"pakencamp-2023-day1","epoch_second":1711812401,"problem_id":"pakencamp_2023_day1_c"}] \ No newline at end of file diff --git a/src/data/problem_models.json b/src/data/problem_models.json index 0620fbc..3d52fad 100644 --- a/src/data/problem_models.json +++ b/src/data/problem_models.json @@ -1 +1 @@ -{"abc138_a":{"slope":-0.0007168608759555057,"intercept":5.865100960838195,"variance":0.926552668651041,"difficulty":-848,"discrimination":0.004479398673070138,"irt_loglikelihood":-260.5412324380486,"irt_users":4554,"is_experimental":false},"abc138_b":{"slope":-0.000824396428693272,"intercept":6.368909012937863,"variance":0.5230470966650067,"difficulty":-364,"discrimination":0.004479398673070138,"irt_loglikelihood":-736.6811268411792,"irt_users":4554,"is_experimental":false},"abc138_c":{"slope":-0.0008681111956810556,"intercept":7.003321371802847,"variance":0.40808430724507255,"difficulty":-96,"discrimination":0.004479398673070138,"irt_loglikelihood":-1112.8355439379536,"irt_users":4647,"is_experimental":false},"abc138_d":{"slope":-0.0011986025321558905,"intercept":8.48597477902844,"variance":0.4317652846787837,"difficulty":920,"discrimination":0.004479398673070138,"irt_loglikelihood":-1747.6784092163878,"irt_users":4647,"is_experimental":false},"abc138_e":{"slope":-0.0008026907206904856,"intercept":8.657393170033716,"variance":0.29513209036031335,"difficulty":1257,"discrimination":0.004479398673070138,"irt_loglikelihood":-1260.5311462497962,"irt_users":4647,"is_experimental":false},"abc138_f":{"slope":-0.0005593022662270254,"intercept":9.029416056770344,"variance":0.19902364269201955,"difficulty":2431,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.53699248758963,"irt_users":4647,"is_experimental":false},"abc042_a":{"slope":-0.0008453995343341607,"intercept":7.088821643632739,"variance":1.0946859786418772,"difficulty":-201,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.28670632524375,"irt_users":236,"is_experimental":false},"abc042_b":{"slope":-0.0008020809076869094,"intercept":7.067602461242034,"variance":0.8569659955079904,"difficulty":616,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.07525251144496,"irt_users":236,"is_experimental":false},"arc058_a":{"slope":-0.0009567447067257116,"intercept":8.311525693337833,"variance":0.7853673530023945,"difficulty":1174,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.66125421733,"irt_users":475,"is_experimental":false},"arc058_b":{"slope":-0.0009345603502090826,"intercept":9.25564461796856,"variance":0.38680823775880746,"difficulty":1905,"discrimination":0.004479398673070138,"irt_loglikelihood":-178.60351012853033,"irt_users":475,"is_experimental":false},"abc043_a":{"slope":-0.001114915314191286,"intercept":6.837473158822148,"variance":1.3418890079133348,"difficulty":-272,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.494100972966116,"irt_users":201,"is_experimental":false},"abc043_b":{"slope":-0.0008262240863386058,"intercept":7.346462829012189,"variance":0.5404239132480965,"difficulty":512,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.01291971090939,"irt_users":201,"is_experimental":false},"arc059_a":{"slope":-0.001150727951376417,"intercept":8.168204104319486,"variance":0.5945835590150373,"difficulty":712,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.62537588987809,"irt_users":467,"is_experimental":false},"arc059_b":{"slope":-0.0011298162385196724,"intercept":9.101009920489009,"variance":0.518105517041059,"difficulty":1374,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.41927944084904,"irt_users":467,"is_experimental":false},"abc044_a":{"slope":-0.0010029383445292243,"intercept":7.253817133139643,"variance":0.8965564228245024,"difficulty":-334,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.027915472282917,"irt_users":216,"is_experimental":false},"abc044_b":{"slope":-0.001387854865526418,"intercept":7.675891528626909,"variance":0.4731868377438511,"difficulty":243,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.948504608454506,"irt_users":216,"is_experimental":false},"arc060_a":{"slope":-0.001106750023031465,"intercept":9.112720386692061,"variance":0.5080032906794247,"difficulty":1583,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.1136062332288,"irt_users":515,"is_experimental":false},"abc045_a":{"slope":-0.00107415897694853,"intercept":6.793994996383827,"variance":1.2859209268124945,"difficulty":-687,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.21467198447731,"irt_users":255,"is_experimental":false},"abc045_b":{"slope":-0.0008130792627503298,"intercept":7.856647989519601,"variance":0.416558870526632,"difficulty":635,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.67147816545526,"irt_users":255,"is_experimental":false},"arc061_a":{"slope":-0.001147939716145901,"intercept":9.009607166307154,"variance":0.42641680397033144,"difficulty":1089,"discrimination":0.004479398673070138,"irt_loglikelihood":-178.26683175299863,"irt_users":598,"is_experimental":false},"arc061_b":{"slope":-0.0008803866102862186,"intercept":9.027964956321295,"variance":0.29947100797917625,"difficulty":1682,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.9478105535204,"irt_users":598,"is_experimental":false},"abc046_a":{"slope":-0.0009018878641298102,"intercept":7.214341556754009,"variance":1.1769246688404098,"difficulty":-112,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.532652581978116,"irt_users":254,"is_experimental":false},"abc046_b":{"slope":-0.0010969334591324938,"intercept":7.491065528406361,"variance":0.566289334598413,"difficulty":633,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.99301448635686,"irt_users":254,"is_experimental":false},"arc062_a":{"slope":-0.0013005981235174211,"intercept":9.485321285215441,"variance":0.3990710330551291,"difficulty":1346,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.70777677112326,"irt_users":602,"is_experimental":false},"arc062_b":{"slope":-0.0009017884414580198,"intercept":8.363653917695379,"variance":0.41354244777774807,"difficulty":1256,"discrimination":0.004479398673070138,"irt_loglikelihood":-272.72352012052033,"irt_users":602,"is_experimental":false},"abc047_a":{"slope":-0.0009564199740699476,"intercept":7.234130818788347,"variance":0.8395982279316765,"difficulty":-115,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.74113724134616,"irt_users":252,"is_experimental":false},"abc047_b":{"slope":-0.0008667214719864652,"intercept":8.285453700793479,"variance":0.3301222882779298,"difficulty":726,"discrimination":0.004479398673070138,"irt_loglikelihood":-136.83616708427274,"irt_users":252,"is_experimental":false},"arc063_a":{"slope":-0.0011323525158146498,"intercept":7.946105569108558,"variance":0.6905841267419421,"difficulty":755,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.09321657077194,"irt_users":632,"is_experimental":false},"arc063_b":{"slope":-0.0008094499761454413,"intercept":8.597238960352719,"variance":0.33338835629944163,"difficulty":1376,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.69050548780191,"irt_users":632,"is_experimental":false},"abc048_a":{"slope":-0.0007002848420076405,"intercept":6.901290131925901,"variance":1.2227083124767975,"difficulty":-401,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.314655237020698,"irt_users":207,"is_experimental":false},"abc048_b":{"slope":-0.001259935655355085,"intercept":8.393742998511819,"variance":0.6331432050602648,"difficulty":861,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.78919878122386,"irt_users":207,"is_experimental":false},"arc064_a":{"slope":-0.0010668068641755892,"intercept":8.673791117483189,"variance":0.5285764485090747,"difficulty":1164,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.25249918756145,"irt_users":595,"is_experimental":false},"arc064_b":{"slope":-0.00045542761602754153,"intercept":8.103930111958793,"variance":0.45768254631675104,"difficulty":1814,"discrimination":0.004479398673070138,"irt_loglikelihood":-321.75963544739926,"irt_users":595,"is_experimental":false},"abc049_a":{"slope":-0.0008575738815120228,"intercept":6.73961406597115,"variance":0.9294140357838575,"is_experimental":false},"abc049_b":{"slope":-0.0008958314032843364,"intercept":7.163343254759762,"variance":0.6197340748259192,"difficulty":219,"discrimination":0.004479398673070138,"irt_loglikelihood":-52.02963431243479,"irt_users":198,"is_experimental":false},"arc065_a":{"slope":-0.0009254285639746258,"intercept":8.558031345265737,"variance":0.5045705653935092,"difficulty":930,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.88360720687325,"irt_users":594,"is_experimental":false},"arc065_b":{"slope":-0.0010336744689158357,"intercept":9.584066659818584,"variance":0.43901503596840397,"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.97246458706798,"irt_users":594,"is_experimental":false},"abc050_a":{"slope":-0.0007777649754199721,"intercept":6.6917051760563915,"variance":1.4999997169284687,"difficulty":-284,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.519281029941553,"irt_users":187,"is_experimental":false},"abc050_b":{"slope":-0.0010363582103849968,"intercept":7.61917787383034,"variance":0.26213789292767,"difficulty":187,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.99069017271611,"irt_users":187,"is_experimental":false},"arc066_a":{"slope":-0.0011138409614852355,"intercept":8.851656845653478,"variance":0.3440850228841366,"difficulty":952,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.05964863469134,"irt_users":474,"is_experimental":false},"abc051_a":{"slope":-0.0007897034092276506,"intercept":6.737912711127255,"variance":1.357760364961564,"difficulty":-359,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.815858994657958,"irt_users":307,"is_experimental":false},"abc051_b":{"slope":-0.0012560625007950795,"intercept":8.245996166791342,"variance":0.77670540412273,"difficulty":784,"discrimination":0.004479398673070138,"irt_loglikelihood":-169.53005579563347,"irt_users":307,"is_experimental":false},"abc051_c":{"slope":-0.000700661064607121,"intercept":8.023669729549843,"variance":0.3465520576508919,"difficulty":968,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.97134497395484,"irt_users":497,"is_experimental":false},"abc051_d":{"slope":-0.0010764064268973287,"intercept":9.159220951813644,"variance":0.3411917578132208,"difficulty":1566,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.38582508082098,"irt_users":497,"is_experimental":false},"abc052_a":{"slope":-0.0005874194902154306,"intercept":6.255305764697538,"variance":1.140710040526209,"difficulty":-600,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.530375830169033,"irt_users":234,"is_experimental":false},"abc052_b":{"slope":-0.0010135900008176142,"intercept":6.947647190551066,"variance":0.45020155936070794,"difficulty":24,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.65998815390683,"irt_users":234,"is_experimental":false},"arc067_a":{"slope":-0.0012833357121921985,"intercept":8.909634780368842,"variance":0.5095441415418769,"difficulty":967,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.24887421396946,"irt_users":583,"is_experimental":false},"arc067_b":{"slope":-0.0010194956690811976,"intercept":8.257430288506765,"variance":0.4226384828929551,"difficulty":1060,"discrimination":0.004479398673070138,"irt_loglikelihood":-228.84438669746285,"irt_users":583,"is_experimental":false},"abc053_a":{"slope":-0.000734698292485906,"intercept":6.440370668406675,"variance":1.43521666189645,"difficulty":-510,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.560325885020742,"irt_users":248,"is_experimental":false},"abc053_b":{"slope":-0.0010491341272136543,"intercept":7.286098473400458,"variance":0.5313702359909696,"difficulty":44,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.15041718429055,"irt_users":248,"is_experimental":false},"arc068_a":{"slope":-0.0008711868773215745,"intercept":8.149764128365256,"variance":0.5329176857415913,"difficulty":745,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.12699517741905,"irt_users":638,"is_experimental":false},"arc068_b":{"slope":-0.0008132819452440136,"intercept":8.40648564264055,"variance":0.4134503526866365,"difficulty":1084,"discrimination":0.004479398673070138,"irt_loglikelihood":-247.59312118430992,"irt_users":638,"is_experimental":false},"abc054_a":{"slope":-0.0008225240940846805,"intercept":7.163818396518904,"variance":0.8770166532564361,"difficulty":-141,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.81521406918422,"irt_users":394,"is_experimental":false},"abc054_b":{"slope":-0.00110817800551425,"intercept":8.472319218600365,"variance":0.46345476926295726,"difficulty":893,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.53858595688976,"irt_users":394,"is_experimental":false},"abc054_c":{"slope":-0.0011105867662000745,"intercept":8.612868463382442,"variance":0.4267052814472443,"difficulty":1244,"discrimination":0.004479398673070138,"irt_loglikelihood":-252.75507149713124,"irt_users":606,"is_experimental":false},"abc054_d":{"slope":-0.0006816730556129373,"intercept":8.5395433739546,"variance":0.48789146264412825,"difficulty":1655,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.50733649982567,"irt_users":606,"is_experimental":false},"abc055_a":{"slope":-0.000864784618537538,"intercept":6.658357165039926,"variance":1.064044419462854,"difficulty":-736,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.2350104338273695,"irt_users":295,"is_experimental":false},"abc055_b":{"slope":-0.001176886533808589,"intercept":7.218849967373919,"variance":0.5877776495013387,"difficulty":326,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.27341386726653,"irt_users":295,"is_experimental":false},"arc069_a":{"slope":-0.0008852937220712359,"intercept":7.943998306807798,"variance":0.5737772433432807,"difficulty":561,"discrimination":0.004479398673070138,"irt_loglikelihood":-172.0835418283485,"irt_users":794,"is_experimental":false},"arc069_b":{"slope":-0.0008971106959786772,"intercept":9.102163968435582,"variance":0.2868214481233958,"difficulty":1344,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.7426862360855,"irt_users":794,"is_experimental":false},"abc056_a":{"slope":-0.0009851105431133802,"intercept":7.034787619772876,"variance":0.7312874747102411,"difficulty":-372,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.318324935956745,"irt_users":259,"is_experimental":false},"abc056_b":{"slope":-0.000881336153842939,"intercept":7.2103414054787125,"variance":0.3542270848736328,"difficulty":-92,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.909920789987545,"irt_users":259,"is_experimental":false},"arc070_a":{"slope":-0.0009688312262104166,"intercept":7.999265162447145,"variance":0.6944436572552999,"difficulty":731,"discrimination":0.004479398673070138,"irt_loglikelihood":-277.3371196012052,"irt_users":734,"is_experimental":false},"arc070_b":{"slope":-0.0008017423709032036,"intercept":9.564363951078183,"variance":0.24908351823806574,"difficulty":2015,"discrimination":0.004479398673070138,"irt_loglikelihood":-219.55174707916467,"irt_users":734,"is_experimental":false},"abc057_a":{"slope":-0.0008377881645707844,"intercept":6.623174267426635,"variance":1.4342074669217337,"difficulty":-777,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.847581863977279,"irt_users":372,"is_experimental":false},"abc057_b":{"slope":-0.001036136291080498,"intercept":7.905135965116786,"variance":0.33444598985769075,"difficulty":434,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.24852942010256,"irt_users":372,"is_experimental":false},"abc057_c":{"slope":-0.0010494556319898308,"intercept":8.053658410566126,"variance":0.558661964209098,"difficulty":904,"discrimination":0.004479398673070138,"irt_loglikelihood":-272.33014294900676,"irt_users":569,"is_experimental":false},"abc057_d":{"slope":-0.0007565312544074862,"intercept":9.175242643783884,"variance":0.3369681404736222,"difficulty":1658,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.48532707138946,"irt_users":569,"is_experimental":false},"abc058_a":{"slope":-0.0005850523683307382,"intercept":6.4854548327379336,"variance":1.304628040183931,"difficulty":-473,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.01705661720836,"irt_users":321,"is_experimental":false},"abc058_b":{"slope":-0.0008972525021705051,"intercept":7.137268908012059,"variance":0.47048217963492206,"difficulty":155,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.6656656946321,"irt_users":321,"is_experimental":false},"arc071_a":{"slope":-0.0011539478267002803,"intercept":8.437602031055256,"variance":0.4127439646078589,"difficulty":680,"discrimination":0.004479398673070138,"irt_loglikelihood":-227.2091407024313,"irt_users":807,"is_experimental":false},"arc071_b":{"slope":-0.0012457874992872085,"intercept":9.5418403273356,"variance":0.382637012651983,"difficulty":1641,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.1926867441679,"irt_users":807,"is_experimental":false},"abc059_a":{"slope":-0.0010574425951803787,"intercept":7.297279137186878,"variance":1.0311998601287358,"difficulty":-257,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.04114664499007,"irt_users":337,"is_experimental":false},"abc059_b":{"slope":-0.0006946452096513934,"intercept":7.049780317014196,"variance":0.8148924620065036,"difficulty":158,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.9005167466672,"irt_users":337,"is_experimental":false},"arc072_a":{"slope":-0.0010307791202377365,"intercept":9.193835966793085,"variance":0.4319806310679064,"difficulty":1409,"discrimination":0.004479398673070138,"irt_loglikelihood":-325.35700549462945,"irt_users":810,"is_experimental":false},"arc072_b":{"slope":-0.0006475480629305309,"intercept":8.611712221465922,"variance":0.3566240643172549,"difficulty":1749,"discrimination":0.004479398673070138,"irt_loglikelihood":-290.0071876707825,"irt_users":810,"is_experimental":false},"abc060_a":{"slope":-0.0007734631801284391,"intercept":6.828577718818975,"variance":1.1224287434601141,"difficulty":-376,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.805819544951614,"irt_users":330,"is_experimental":false},"abc060_b":{"slope":-0.0008743485990420715,"intercept":7.561800225868863,"variance":0.4496434985510739,"difficulty":503,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.3000216169645,"irt_users":330,"is_experimental":false},"arc073_a":{"slope":-0.0008571627634699598,"intercept":7.7239727541074545,"variance":0.512051561936334,"difficulty":512,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.87336055639744,"irt_users":803,"is_experimental":false},"arc073_b":{"slope":-0.0007894820422092307,"intercept":8.77755657588255,"variance":0.3763617077846755,"difficulty":1477,"discrimination":0.004479398673070138,"irt_loglikelihood":-258.0870442091824,"irt_users":803,"is_experimental":false},"abc061_a":{"slope":-0.0007963365844803875,"intercept":6.597331172313906,"variance":1.3939866144879511,"difficulty":-229,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.27539904663061,"irt_users":525,"is_experimental":false},"abc061_b":{"slope":-0.0010878861723679265,"intercept":7.273374976517448,"variance":0.5359651110804659,"difficulty":108,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.40446083489292,"irt_users":525,"is_experimental":false},"abc061_c":{"slope":-0.0010626686060327762,"intercept":8.47059448819322,"variance":0.5607991348415163,"difficulty":808,"discrimination":0.004479398673070138,"irt_loglikelihood":-347.9713305086055,"irt_users":738,"is_experimental":false},"abc061_d":{"slope":-0.0007607342290356431,"intercept":9.340292254096177,"variance":0.44567945206119647,"difficulty":1838,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.76020707029852,"irt_users":738,"is_experimental":false},"abc062_a":{"slope":-0.0010773002821891074,"intercept":7.551288617256196,"variance":0.7057949950432851,"difficulty":-257,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.27362894512093,"irt_users":428,"is_experimental":false},"abc062_b":{"slope":-0.0011139322146297207,"intercept":7.3480526469701655,"variance":0.4851233314563538,"difficulty":99,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.36854995662944,"irt_users":428,"is_experimental":false},"arc074_a":{"slope":-0.0010807206694809983,"intercept":9.070271920980973,"variance":0.3984629082736399,"difficulty":1223,"discrimination":0.004479398673070138,"irt_loglikelihood":-326.91388196517835,"irt_users":867,"is_experimental":false},"arc074_b":{"slope":-0.00082997532592093,"intercept":8.975260403318975,"variance":0.30618126035761895,"difficulty":1730,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.9710530234554,"irt_users":867,"is_experimental":false},"abc063_a":{"slope":-0.0010378269266435327,"intercept":6.512663246716022,"variance":1.3237466044757469,"difficulty":-762,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.467102842093267,"irt_users":443,"is_experimental":false},"abc063_b":{"slope":-0.0013589237339584213,"intercept":7.261428116783465,"variance":0.5846936126629613,"difficulty":-140,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.823937906630626,"irt_users":443,"is_experimental":false},"arc075_a":{"slope":-0.0009404734290053562,"intercept":7.916019442481711,"variance":0.5201109176119877,"difficulty":507,"discrimination":0.004479398673070138,"irt_loglikelihood":-289.19001716355865,"irt_users":1052,"is_experimental":false},"arc075_b":{"slope":-0.0011673927023998477,"intercept":9.233268727185544,"variance":0.4737733670414134,"difficulty":1544,"discrimination":0.004479398673070138,"irt_loglikelihood":-332.110753086966,"irt_users":1052,"is_experimental":false},"abc064_a":{"slope":-0.0008368524785069367,"intercept":6.5925056162419535,"variance":1.0284959858602722,"difficulty":-482,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.72903428596232,"irt_users":711,"is_experimental":false},"abc064_b":{"slope":-0.000879667413662441,"intercept":6.5338144051651845,"variance":0.3876013402164285,"difficulty":-155,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.6545062658117,"irt_users":711,"is_experimental":false},"abc064_c":{"slope":-0.0008784696655558915,"intercept":8.456058214217698,"variance":0.38105537538883993,"difficulty":559,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.4939840912138,"irt_users":971,"is_experimental":false},"abc064_d":{"slope":-0.0007947855141250488,"intercept":8.137352758827305,"variance":0.4610761326110898,"difficulty":969,"discrimination":0.004479398673070138,"irt_loglikelihood":-478.8461958540492,"irt_users":971,"is_experimental":false},"abc065_a":{"slope":-0.0006294113216846093,"intercept":7.238936850136192,"variance":0.6505650810100404,"difficulty":-4,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.56235500630828,"irt_users":470,"is_experimental":false},"abc065_b":{"slope":-0.0007909827887203389,"intercept":7.6526270686853435,"variance":0.41712722021978077,"difficulty":459,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.62209282740614,"irt_users":470,"is_experimental":false},"arc076_a":{"slope":-0.0009410505028162285,"intercept":8.032634576917372,"variance":0.47735028168756105,"difficulty":684,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.24007801343555,"irt_users":1120,"is_experimental":false},"arc076_b":{"slope":-0.0009471446548331731,"intercept":9.118648954100172,"variance":0.42099468058583517,"difficulty":1615,"discrimination":0.004479398673070138,"irt_loglikelihood":-383.25302469539065,"irt_users":1120,"is_experimental":false},"abc066_a":{"slope":-0.001277834058538472,"intercept":6.978015938651299,"variance":0.954738333366023,"difficulty":-405,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.78439316983931,"irt_users":495,"is_experimental":false},"abc066_b":{"slope":-0.0008966394775073964,"intercept":7.64724111612709,"variance":0.4137627049280492,"difficulty":384,"discrimination":0.004479398673070138,"irt_loglikelihood":-200.8197160150288,"irt_users":495,"is_experimental":false},"arc077_a":{"slope":-0.0009747681553366496,"intercept":8.108207068772089,"variance":0.4375480353679897,"difficulty":552,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.81465731371003,"irt_users":1216,"is_experimental":false},"arc077_b":{"slope":-0.000845865393501375,"intercept":9.162575671039455,"variance":0.28402048370355365,"difficulty":1715,"discrimination":0.004479398673070138,"irt_loglikelihood":-346.20222215633544,"irt_users":1216,"is_experimental":false},"abc067_a":{"slope":-0.0009359763492980087,"intercept":6.912567686418331,"variance":0.9312568769416137,"difficulty":-339,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.1230797249171,"irt_users":518,"is_experimental":false},"abc067_b":{"slope":-0.0011677153856690307,"intercept":7.043516495489402,"variance":0.5202574959206941,"difficulty":-158,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.45022752660566,"irt_users":518,"is_experimental":false},"arc078_a":{"slope":-0.0010909750961680788,"intercept":8.207527808816192,"variance":0.6749289839626619,"difficulty":710,"discrimination":0.004479398673070138,"irt_loglikelihood":-502.10450393840233,"irt_users":1276,"is_experimental":false},"arc078_b":{"slope":-0.0009623022014286945,"intercept":9.237814109050994,"variance":0.3434721900466968,"difficulty":1431,"discrimination":0.004479398673070138,"irt_loglikelihood":-430.87641614028763,"irt_users":1276,"is_experimental":false},"abc068_a":{"slope":-0.0009193864155994263,"intercept":6.183297884988991,"variance":1.4543271625631953,"difficulty":-838,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.719137304329612,"irt_users":526,"is_experimental":false},"abc068_b":{"slope":-0.0010735746450917145,"intercept":7.1419300484612505,"variance":0.548624151464379,"difficulty":-118,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.33013183161022,"irt_users":526,"is_experimental":false},"arc079_a":{"slope":-0.0009464030364979748,"intercept":7.877499835825321,"variance":0.5397464261555142,"difficulty":609,"discrimination":0.004479398673070138,"irt_loglikelihood":-384.36399895496675,"irt_users":1295,"is_experimental":false},"arc079_b":{"slope":-0.0007705297493294884,"intercept":9.003489553871885,"variance":0.333517329678636,"difficulty":1545,"discrimination":0.004479398673070138,"irt_loglikelihood":-574.49982010597,"irt_users":1295,"is_experimental":false},"abc069_a":{"slope":-0.0008992293673332682,"intercept":6.336886872432015,"variance":1.293418652265978,"difficulty":-470,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.59455242213225,"irt_users":486,"is_experimental":false},"abc069_b":{"slope":-0.0010679538167740223,"intercept":6.365495010719617,"variance":0.5813962775053937,"difficulty":-317,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.1802784662659,"irt_users":486,"is_experimental":false},"arc080_a":{"slope":-0.0008347101565681876,"intercept":8.088678511899618,"variance":0.49673501292833966,"difficulty":578,"discrimination":0.004479398673070138,"irt_loglikelihood":-406.2848534527479,"irt_users":1234,"is_experimental":false},"arc080_b":{"slope":-0.0009445685010804551,"intercept":8.251256587418547,"variance":0.3425092349032982,"difficulty":852,"discrimination":0.004479398673070138,"irt_loglikelihood":-382.6834381272297,"irt_users":1234,"is_experimental":false},"abc070_a":{"slope":-0.0007928298003867221,"intercept":6.439089585575604,"variance":1.1930505235528035,"difficulty":-646,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.76445206065579,"irt_users":660,"is_experimental":false},"abc070_b":{"slope":-0.0010008165937303523,"intercept":7.266441457504061,"variance":0.5831083977104425,"difficulty":-93,"discrimination":0.004479398673070138,"irt_loglikelihood":-137.23845872774632,"irt_users":660,"is_experimental":false},"abc070_c":{"slope":-0.0012447396724159796,"intercept":8.104776443960136,"variance":0.692463580834577,"difficulty":697,"discrimination":0.004479398673070138,"irt_loglikelihood":-408.6935322900616,"irt_users":916,"is_experimental":false},"abc070_d":{"slope":-0.0009408740688888748,"intercept":8.465895006954254,"variance":0.4574346939742032,"difficulty":1182,"discrimination":0.004479398673070138,"irt_loglikelihood":-362.0265685410406,"irt_users":916,"is_experimental":false},"abc071_a":{"slope":-0.0008783389833360176,"intercept":6.594369682318507,"variance":0.9788915903860376,"difficulty":-610,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.16785384418762,"irt_users":532,"is_experimental":false},"abc071_b":{"slope":-0.0011162076089600683,"intercept":7.342629049471239,"variance":0.5974078827557706,"difficulty":115,"discrimination":0.004479398673070138,"irt_loglikelihood":-183.4722527156567,"irt_users":532,"is_experimental":false},"arc081_a":{"slope":-0.0009128916086718235,"intercept":8.038263565278463,"variance":0.5597009626480681,"difficulty":589,"discrimination":0.004479398673070138,"irt_loglikelihood":-420.61585642596054,"irt_users":1379,"is_experimental":false},"arc081_b":{"slope":-0.0007243720864222024,"intercept":8.41400206023368,"variance":0.31037684732724435,"difficulty":1165,"discrimination":0.004479398673070138,"irt_loglikelihood":-603.7528972374857,"irt_users":1379,"is_experimental":false},"abc072_a":{"slope":-0.0009191733399104229,"intercept":6.490614784940276,"variance":1.2928102888661523,"difficulty":-654,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.536774605488503,"irt_users":489,"is_experimental":false},"abc072_b":{"slope":-0.0012030151738734128,"intercept":6.532799212270087,"variance":0.5635823746960196,"difficulty":-297,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.01509437318142,"irt_users":489,"is_experimental":false},"arc082_a":{"slope":-0.0010007493358560654,"intercept":7.7081706778313865,"variance":0.6142593778811187,"difficulty":407,"discrimination":0.004479398673070138,"irt_loglikelihood":-306.9956237716833,"irt_users":1390,"is_experimental":false},"arc082_b":{"slope":-0.0007871807487318458,"intercept":7.79298415209305,"variance":0.46026502927588814,"difficulty":656,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.74811149035224,"irt_users":1390,"is_experimental":false},"abc073_a":{"slope":-0.0008824357422879992,"intercept":6.48412470941913,"variance":1.2236848357900976,"difficulty":-458,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.13868863606872,"irt_users":770,"is_experimental":false},"abc073_b":{"slope":-0.0007632375406559968,"intercept":6.20973431279239,"variance":0.41039685374181584,"difficulty":-179,"discrimination":0.004479398673070138,"irt_loglikelihood":-126.67033990479806,"irt_users":770,"is_experimental":false},"abc073_c":{"slope":-0.0012221957610495811,"intercept":7.684522354965696,"variance":0.8743653321468112,"difficulty":454,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.2932282385159,"irt_users":1051,"is_experimental":false},"abc073_d":{"slope":-0.0008950515492037096,"intercept":8.829311892679335,"variance":0.4731425973987259,"difficulty":1345,"discrimination":0.004479398673070138,"irt_loglikelihood":-393.20103342953854,"irt_users":1051,"is_experimental":false},"abc074_a":{"slope":-0.0009309018809529298,"intercept":6.2418189575832,"variance":1.3651545006927317,"difficulty":-1025,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.848299052548796,"irt_users":557,"is_experimental":false},"abc074_b":{"slope":-0.0008664616330218562,"intercept":7.164016604637361,"variance":0.3237974269188391,"difficulty":32,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.9733012802628,"irt_users":557,"is_experimental":false},"arc083_a":{"slope":-0.0007785422366193589,"intercept":8.97081874252546,"variance":0.2875595298458758,"difficulty":1255,"discrimination":0.004479398673070138,"irt_loglikelihood":-501.55498453782667,"irt_users":1229,"is_experimental":false},"arc083_b":{"slope":-0.0007019267568720277,"intercept":8.748442870264943,"variance":0.342305857212327,"difficulty":1563,"discrimination":0.004479398673070138,"irt_loglikelihood":-432.78723878618894,"irt_users":1229,"is_experimental":false},"abc075_a":{"slope":-0.0008403651380309193,"intercept":6.377374229240301,"variance":1.1681855404436698,"difficulty":-506,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.82472149151358,"irt_users":655,"is_experimental":false},"abc075_b":{"slope":-0.001047461001979154,"intercept":7.956524435810222,"variance":0.37972545060832663,"difficulty":368,"discrimination":0.004479398673070138,"irt_loglikelihood":-228.55635587784715,"irt_users":655,"is_experimental":false},"abc075_c":{"slope":-0.0010226202410762823,"intercept":8.434882992934401,"variance":0.5189685564227438,"difficulty":1067,"discrimination":0.004479398673070138,"irt_loglikelihood":-429.3164334791779,"irt_users":927,"is_experimental":false},"abc075_d":{"slope":-0.0008066753008133808,"intercept":8.635289233192976,"variance":0.38376629753191016,"difficulty":1470,"discrimination":0.004479398673070138,"irt_loglikelihood":-303.5918035526755,"irt_users":927,"is_experimental":false},"abc076_a":{"slope":-0.0007437824202732642,"intercept":6.391674957615953,"variance":1.1558978556421518,"difficulty":-452,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.07232972546298,"irt_users":685,"is_experimental":false},"abc076_b":{"slope":-0.0006826860753416492,"intercept":6.424511027148557,"variance":0.46896457155647686,"difficulty":-137,"discrimination":0.004479398673070138,"irt_loglikelihood":-127.78256306667701,"irt_users":685,"is_experimental":false},"abc076_c":{"slope":-0.0010190872350952643,"intercept":8.567402507450769,"variance":0.4025887318689304,"difficulty":846,"discrimination":0.004479398673070138,"irt_loglikelihood":-436.2953183859843,"irt_users":959,"is_experimental":false},"abc076_d":{"slope":-0.0006145047387329229,"intercept":9.076178837738414,"variance":0.21706542141226934,"difficulty":1884,"discrimination":0.004479398673070138,"irt_loglikelihood":-215.75807228991468,"irt_users":959,"is_experimental":false},"abc077_a":{"slope":-0.001263384536350388,"intercept":7.1563016368351935,"variance":0.8564085635501082,"difficulty":-228,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.76162390754942,"irt_users":580,"is_experimental":false},"abc077_b":{"slope":-0.0011164602422518936,"intercept":6.952302668638193,"variance":0.8373345465119532,"difficulty":-117,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.73273609472076,"irt_users":580,"is_experimental":false},"arc084_a":{"slope":-0.0011453402103443705,"intercept":9.031552620353406,"variance":0.5022499539845432,"difficulty":1096,"discrimination":0.004479398673070138,"irt_loglikelihood":-434.46778042586294,"irt_users":1167,"is_experimental":false},"abc078_a":{"slope":-0.0013348380998148893,"intercept":7.130726378833312,"variance":0.9770841889600502,"difficulty":-528,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.38135103402842,"irt_users":635,"is_experimental":false},"abc078_b":{"slope":-0.0011098873031472427,"intercept":6.955732479285951,"variance":0.4430869026176191,"difficulty":-334,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.06647823490007,"irt_users":635,"is_experimental":false},"arc085_a":{"slope":-0.000676552700859352,"intercept":7.790610006343147,"variance":0.6645276590944922,"difficulty":752,"discrimination":0.004479398673070138,"irt_loglikelihood":-645.4871604393437,"irt_users":1218,"is_experimental":false},"arc085_b":{"slope":-0.0005439586127990751,"intercept":8.52117902869965,"variance":0.35226242035480865,"difficulty":1550,"discrimination":0.004479398673070138,"irt_loglikelihood":-513.8247560665851,"irt_users":1218,"is_experimental":false},"abc079_a":{"slope":-0.0010244320401186322,"intercept":7.395856918545958,"variance":1.020906506734141,"difficulty":-145,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.09945602972917,"irt_users":828,"is_experimental":false},"abc079_b":{"slope":-0.0011034336271137743,"intercept":7.155395216037261,"variance":0.5945183543100964,"difficulty":50,"discrimination":0.004479398673070138,"irt_loglikelihood":-217.385215862,"irt_users":828,"is_experimental":false},"abc079_c":{"slope":-0.0008536290870368189,"intercept":7.699107801060225,"variance":0.35560367461840475,"difficulty":331,"discrimination":0.004479398673070138,"irt_loglikelihood":-317.8140422776112,"irt_users":1096,"is_experimental":false},"abc079_d":{"slope":-0.0010506855931644546,"intercept":8.360859524531065,"variance":0.40629977084482116,"difficulty":949,"discrimination":0.004479398673070138,"irt_loglikelihood":-410.45933969554295,"irt_users":1096,"is_experimental":false},"abc080_a":{"slope":-0.0009815025579790362,"intercept":6.4679236721064015,"variance":1.3153706082867704,"difficulty":-824,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.265418184682005,"irt_users":621,"is_experimental":false},"abc080_b":{"slope":-0.0009793036720314367,"intercept":6.7737007169961005,"variance":0.6357312258019375,"difficulty":-205,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.11546118808441,"irt_users":621,"is_experimental":false},"abc080_c":{"slope":-0.0010892359289447363,"intercept":8.981633264880948,"variance":0.281383275787363,"difficulty":1130,"discrimination":0.004479398673070138,"irt_loglikelihood":-390.83427507500386,"irt_users":830,"is_experimental":false},"abc080_d":{"slope":-0.0005424641484931591,"intercept":8.400632564143361,"variance":0.3753607789225297,"difficulty":1383,"discrimination":0.004479398673070138,"irt_loglikelihood":-338.6739222784015,"irt_users":830,"is_experimental":false},"abc081_a":{"slope":-0.0012560511287701163,"intercept":6.7347841454659685,"variance":1.0991792571945418,"difficulty":-418,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.28629530380297,"irt_users":490,"is_experimental":false},"abc081_b":{"slope":-0.0010761498805285953,"intercept":7.113642037478609,"variance":0.4051235429205029,"difficulty":-12,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.06778052513019,"irt_users":490,"is_experimental":false},"arc086_a":{"slope":-0.0010432138221985806,"intercept":7.980753609268163,"variance":0.5207469002492873,"difficulty":430,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.05707270158425,"irt_users":1169,"is_experimental":false},"arc086_b":{"slope":-0.0007445986166160788,"intercept":9.017848960542603,"variance":0.31002095213064984,"difficulty":1567,"discrimination":0.004479398673070138,"irt_loglikelihood":-427.08574869230296,"irt_users":1169,"is_experimental":false},"abc082_a":{"slope":-0.0011964310918064736,"intercept":6.966400499421338,"variance":0.997385003131258,"difficulty":-413,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.49592068074705,"irt_users":521,"is_experimental":false},"abc082_b":{"slope":-0.0011213775566878343,"intercept":7.883948335340583,"variance":0.6279273867715686,"difficulty":497,"discrimination":0.004479398673070138,"irt_loglikelihood":-270.5020451928513,"irt_users":521,"is_experimental":false},"arc087_a":{"slope":-0.0009539922577682251,"intercept":7.729165461114857,"variance":0.6855936070774397,"difficulty":593,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.7467163207231,"irt_users":1086,"is_experimental":false},"arc087_b":{"slope":-0.0007111234880807335,"intercept":9.056898401401595,"variance":0.2913076617268965,"difficulty":1508,"discrimination":0.004479398673070138,"irt_loglikelihood":-338.62286653432994,"irt_users":1086,"is_experimental":false},"abc083_a":{"slope":-0.0009616000915905879,"intercept":6.539915510404954,"variance":0.9357065832699718,"difficulty":-984,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.904855700601207,"irt_users":553,"is_experimental":false},"abc083_b":{"slope":-0.001378057783703484,"intercept":7.553728447779609,"variance":0.42928467713164215,"difficulty":62,"discrimination":0.004479398673070138,"irt_loglikelihood":-170.76579611603827,"irt_users":553,"is_experimental":false},"arc088_a":{"slope":-0.0007947429022145166,"intercept":7.14490756593724,"variance":0.6749158642906516,"difficulty":392,"discrimination":0.004479398673070138,"irt_loglikelihood":-369.746000197569,"irt_users":1210,"is_experimental":false},"arc088_b":{"slope":-0.0007500674902235565,"intercept":8.956609511878272,"variance":0.47810073845867335,"difficulty":1646,"discrimination":0.004479398673070138,"irt_loglikelihood":-496.9281280825721,"irt_users":1210,"is_experimental":false},"abc084_a":{"slope":-0.0007152130101584456,"intercept":5.98738290904007,"variance":1.4645957575141866,"difficulty":-968,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.221220083019487,"irt_users":684,"is_experimental":false},"abc084_b":{"slope":-0.0008685438508499436,"intercept":7.110249412606938,"variance":0.4585720102071955,"difficulty":-6,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.94375334459087,"irt_users":684,"is_experimental":false},"abc084_c":{"slope":-0.0009016026111931162,"intercept":8.388464597472964,"variance":0.2896255033591935,"difficulty":908,"discrimination":0.004479398673070138,"irt_loglikelihood":-439.66825549773597,"irt_users":932,"is_experimental":false},"abc084_d":{"slope":-0.0010392359545794002,"intercept":8.42231149824566,"variance":0.546507737047166,"difficulty":980,"discrimination":0.004479398673070138,"irt_loglikelihood":-384.6881187242689,"irt_users":932,"is_experimental":false},"abc085_a":{"slope":-0.0008182732776380705,"intercept":6.295651763936897,"variance":1.2812321286367325,"difficulty":-465,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.5175020245763,"irt_users":721,"is_experimental":false},"abc085_b":{"slope":-0.0009410183426092233,"intercept":6.674195021180764,"variance":0.4014181658100438,"difficulty":-106,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.7374187284429,"irt_users":721,"is_experimental":false},"abc085_c":{"slope":-0.000892199470688278,"intercept":7.961812604802512,"variance":0.5353243454559119,"difficulty":584,"discrimination":0.004479398673070138,"irt_loglikelihood":-442.33752627380215,"irt_users":998,"is_experimental":false},"abc085_d":{"slope":-0.0007699556668332975,"intercept":8.300675693227417,"variance":0.4612195651055737,"difficulty":954,"discrimination":0.004479398673070138,"irt_loglikelihood":-533.7447750794422,"irt_users":998,"is_experimental":false},"abc086_a":{"slope":-0.0009694213949899889,"intercept":6.266004367074035,"variance":1.2869131883392857,"difficulty":-864,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.416511794690194,"irt_users":702,"is_experimental":false},"abc086_b":{"slope":-0.0010510962643607523,"intercept":7.0978537048076005,"variance":0.5696322590195639,"difficulty":-146,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.5584178060802,"irt_users":702,"is_experimental":false},"arc089_a":{"slope":-0.0009258240135584056,"intercept":7.862063998120424,"variance":0.41926330728547373,"difficulty":397,"discrimination":0.004479398673070138,"irt_loglikelihood":-375.2027281035654,"irt_users":1531,"is_experimental":false},"arc089_b":{"slope":-0.0007565533272212504,"intercept":9.462658645809864,"variance":0.22087262053615073,"difficulty":1797,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.02087800503045,"irt_users":1531,"is_experimental":false},"abc087_a":{"slope":-0.0011102604869708957,"intercept":6.479723474247176,"variance":0.9168162799150867,"difficulty":-812,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.8349287644006,"irt_users":769,"is_experimental":false},"abc087_b":{"slope":-0.0007858208892672104,"intercept":6.9538574972953295,"variance":0.5610326419527433,"difficulty":161,"discrimination":0.004479398673070138,"irt_loglikelihood":-354.78310495555826,"irt_users":769,"is_experimental":false},"arc090_a":{"slope":-0.0009296139915017965,"intercept":7.590855987564497,"variance":0.4623445517355212,"difficulty":300,"discrimination":0.004479398673070138,"irt_loglikelihood":-403.3093540777313,"irt_users":1672,"is_experimental":false},"arc090_b":{"slope":-0.0010489968683695837,"intercept":9.23477324770212,"variance":0.4353819293904329,"difficulty":1452,"discrimination":0.004479398673070138,"irt_loglikelihood":-481.80060867390523,"irt_users":1672,"is_experimental":false},"abc088_a":{"slope":-0.00085440246966892,"intercept":6.62131217153313,"variance":1.121630797938072,"difficulty":-535,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.4138191518499,"irt_users":638,"is_experimental":false},"abc088_b":{"slope":-0.0008836438296067466,"intercept":6.834405711426723,"variance":0.4097636405204054,"difficulty":-182,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.16355785397758,"irt_users":638,"is_experimental":false},"abc088_c":{"slope":-0.0008131772965875672,"intercept":7.808026936180626,"variance":0.311294071334949,"difficulty":477,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.50579112971866,"irt_users":895,"is_experimental":false},"abc088_d":{"slope":-0.0008091959943822755,"intercept":8.446622925995582,"variance":0.2749892585740184,"difficulty":999,"discrimination":0.004479398673070138,"irt_loglikelihood":-401.0000041120692,"irt_users":895,"is_experimental":false},"abc089_a":{"slope":-0.0008862797330538958,"intercept":6.117206460394147,"variance":1.268340014774226,"difficulty":-515,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.81422585390791,"irt_users":750,"is_experimental":false},"abc089_b":{"slope":-0.0007922543632881461,"intercept":6.573836512110579,"variance":0.4943495208335905,"difficulty":-187,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.45496006370594,"irt_users":750,"is_experimental":false},"abc089_c":{"slope":-0.0011012791374176135,"intercept":8.209013398170352,"variance":0.41248253662162554,"difficulty":642,"discrimination":0.004479398673070138,"irt_loglikelihood":-443.3767784517917,"irt_users":988,"is_experimental":false},"abc089_d":{"slope":-0.0008810929750971627,"intercept":8.84792212085171,"variance":0.32422873895894766,"difficulty":1220,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.99133718014536,"irt_users":988,"is_experimental":false},"abc090_a":{"slope":-0.0011782079898320882,"intercept":6.686507130798563,"variance":1.1547093729355087,"difficulty":-454,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.66301009724673,"irt_users":728,"is_experimental":false},"abc090_b":{"slope":-0.0011480359906008636,"intercept":7.218076861107448,"variance":0.6121694184467811,"difficulty":8,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.90794113575998,"irt_users":728,"is_experimental":false},"arc091_a":{"slope":-0.0008325168498883775,"intercept":7.981246955131255,"variance":0.40422150321829003,"difficulty":514,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.4192115144946,"irt_users":1563,"is_experimental":false},"arc091_b":{"slope":-0.0008285117724227391,"intercept":8.583658810609627,"variance":0.3514007355401808,"difficulty":1129,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.4724497031525,"irt_users":1563,"is_experimental":false},"abc091_a":{"slope":-0.0008417051869435938,"intercept":6.323227742734926,"variance":1.19889137459038,"difficulty":-746,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.90918923209458,"irt_users":832,"is_experimental":false},"abc091_b":{"slope":-0.001065777670066046,"intercept":7.779188152730647,"variance":0.46288555680329646,"difficulty":310,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.23188399849676,"irt_users":832,"is_experimental":false},"arc092_a":{"slope":-0.0011749005802329897,"intercept":9.05328113144372,"variance":0.5757991175644261,"difficulty":1268,"discrimination":0.004479398673070138,"irt_loglikelihood":-553.8872779505604,"irt_users":1556,"is_experimental":false},"arc092_b":{"slope":-0.000576772489096772,"intercept":9.016075919332083,"variance":0.2769670996505435,"difficulty":2207,"discrimination":0.004479398673070138,"irt_loglikelihood":-263.7010224856624,"irt_users":1556,"is_experimental":false},"abc092_a":{"slope":-0.0010003137969749004,"intercept":6.425637324132486,"variance":0.8949762372147739,"difficulty":-827,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.08621475562857,"irt_users":900,"is_experimental":false},"abc092_b":{"slope":-0.0010297807825865811,"intercept":7.213970296741156,"variance":0.31044780456589677,"difficulty":-149,"discrimination":0.004479398673070138,"irt_loglikelihood":-167.18606524952745,"irt_users":900,"is_experimental":false},"arc093_a":{"slope":-0.0010326742506704151,"intercept":8.255739364555685,"variance":0.38255515555603165,"difficulty":577,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.3982481734193,"irt_users":1628,"is_experimental":false},"arc093_b":{"slope":-0.0007243762900490202,"intercept":8.803861774046716,"variance":0.30104403545358815,"difficulty":1445,"discrimination":0.004479398673070138,"irt_loglikelihood":-587.866279848287,"irt_users":1628,"is_experimental":false},"abc093_a":{"slope":-0.001294713154714362,"intercept":7.018744241539201,"variance":0.8336845289167314,"difficulty":-452,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.84133785561966,"irt_users":895,"is_experimental":false},"abc093_b":{"slope":-0.0010245404244393682,"intercept":7.441086368047597,"variance":0.5109078298587236,"difficulty":27,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.9632009885158,"irt_users":895,"is_experimental":false},"arc094_a":{"slope":-0.0007167193034265152,"intercept":7.59030913322017,"variance":0.44351339276709023,"difficulty":301,"discrimination":0.004479398673070138,"irt_loglikelihood":-406.33415641616534,"irt_users":1636,"is_experimental":false},"arc094_b":{"slope":-0.0005442568447325777,"intercept":8.866210311529434,"variance":0.2802259764739959,"difficulty":1869,"discrimination":0.004479398673070138,"irt_loglikelihood":-466.4402486476029,"irt_users":1636,"is_experimental":false},"abc094_a":{"slope":-0.0011394984112452814,"intercept":6.953461061060257,"variance":0.7047618153980866,"difficulty":-452,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.92854255022843,"irt_users":919,"is_experimental":false},"abc094_b":{"slope":-0.0010138718882867271,"intercept":7.2536382651082025,"variance":0.31766349723502935,"difficulty":-56,"discrimination":0.004479398673070138,"irt_loglikelihood":-252.5793676857934,"irt_users":919,"is_experimental":false},"arc095_a":{"slope":-0.0009406894052892356,"intercept":7.930546705388314,"variance":0.4223273029881699,"difficulty":566,"discrimination":0.004479398673070138,"irt_loglikelihood":-563.6048193237679,"irt_users":1765,"is_experimental":false},"arc095_b":{"slope":-0.0009071484569215605,"intercept":8.273771598111537,"variance":0.47208817135321124,"difficulty":867,"discrimination":0.004479398673070138,"irt_loglikelihood":-743.6056702068004,"irt_users":1765,"is_experimental":false},"abc095_a":{"slope":-0.001153815933779931,"intercept":6.653792011157222,"variance":0.9315474528828297,"difficulty":-766,"discrimination":0.004479398673070138,"irt_loglikelihood":-75.87243611866842,"irt_users":1009,"is_experimental":false},"abc095_b":{"slope":-0.0010632587136438455,"intercept":6.947427492494523,"variance":0.3579189195047425,"difficulty":-234,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.20198423697215,"irt_users":1009,"is_experimental":false},"arc096_a":{"slope":-0.0008229225384834899,"intercept":7.771755138019665,"variance":0.4076513462566072,"difficulty":273,"discrimination":0.004479398673070138,"irt_loglikelihood":-572.3164038397551,"irt_users":1958,"is_experimental":false},"arc096_b":{"slope":-0.000902085703124762,"intercept":9.186440878088792,"variance":0.20410778349398995,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.6631645511625,"irt_users":1958,"is_experimental":false},"abc096_a":{"slope":-0.0008194995664830542,"intercept":6.609841919105136,"variance":1.0504938729705775,"difficulty":-222,"discrimination":0.004479398673070138,"irt_loglikelihood":-269.82651383128194,"irt_users":1249,"is_experimental":false},"abc096_b":{"slope":-0.0009940902156100682,"intercept":6.959470395903696,"variance":0.44334150220772417,"difficulty":-207,"discrimination":0.004479398673070138,"irt_loglikelihood":-235.01342346375552,"irt_users":1249,"is_experimental":false},"abc096_c":{"slope":-0.001066787353953524,"intercept":8.03386765983809,"variance":0.37519819714860114,"difficulty":407,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.4096633253599,"irt_users":1518,"is_experimental":false},"abc096_d":{"slope":-0.0009037168176291551,"intercept":8.449101361264509,"variance":0.5393634391857032,"difficulty":1226,"discrimination":0.004479398673070138,"irt_loglikelihood":-630.7125043310681,"irt_users":1518,"is_experimental":false},"abc097_a":{"slope":-0.001231806619673281,"intercept":7.211054846217772,"variance":0.7308103221442399,"difficulty":-429,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.2780308747985,"irt_users":1064,"is_experimental":false},"abc097_b":{"slope":-0.0010534954824246306,"intercept":7.874185677223198,"variance":0.5161671598613777,"difficulty":207,"discrimination":0.004479398673070138,"irt_loglikelihood":-423.6314920114549,"irt_users":1064,"is_experimental":false},"arc097_a":{"slope":-0.0010285553286695746,"intercept":8.774130635775348,"variance":0.4752384353278312,"difficulty":1108,"discrimination":0.004479398673070138,"irt_loglikelihood":-744.4305106234974,"irt_users":1860,"is_experimental":false},"arc097_b":{"slope":-0.0010187310511820583,"intercept":8.63258849723942,"variance":0.3949052416931405,"difficulty":1270,"discrimination":0.004479398673070138,"irt_loglikelihood":-554.3451129551697,"irt_users":1860,"is_experimental":false},"abc098_a":{"slope":-0.0012641752346957812,"intercept":6.61016414356081,"variance":1.2140788278419254,"difficulty":-614,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.23567591011005,"irt_users":1065,"is_experimental":false},"abc098_b":{"slope":-0.0011532728542701439,"intercept":7.86795887823048,"variance":0.4352339615608786,"difficulty":358,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.91456942001537,"irt_users":1065,"is_experimental":false},"arc098_a":{"slope":-0.0010593375819382053,"intercept":8.249018585797035,"variance":0.4477334738592204,"difficulty":635,"discrimination":0.004479398673070138,"irt_loglikelihood":-647.6479417243495,"irt_users":1973,"is_experimental":false},"arc098_b":{"slope":-0.0011428052026327589,"intercept":9.2169294174036,"variance":0.47578028988922005,"difficulty":1404,"discrimination":0.004479398673070138,"irt_loglikelihood":-519.4895783350488,"irt_users":1973,"is_experimental":false},"abc099_a":{"slope":-0.0006479785973607575,"intercept":6.192560620133652,"variance":1.1311846878372929,"difficulty":-714,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.36106012762015,"irt_users":1433,"is_experimental":false},"abc099_b":{"slope":-0.0007115151288392584,"intercept":6.8628961723645885,"variance":0.5824261473831693,"difficulty":-46,"discrimination":0.004479398673070138,"irt_loglikelihood":-508.8060259954469,"irt_users":1433,"is_experimental":false},"abc099_c":{"slope":-0.0012249997100420103,"intercept":8.83462148096812,"variance":0.5403238340312744,"difficulty":1101,"discrimination":0.004479398673070138,"irt_loglikelihood":-724.8023738387323,"irt_users":1725,"is_experimental":false},"abc099_d":{"slope":-0.0009311388883295668,"intercept":8.832684682483652,"variance":0.26372420273705593,"difficulty":1345,"discrimination":0.004479398673070138,"irt_loglikelihood":-498.7305441405247,"irt_users":1725,"is_experimental":false},"abc100_a":{"slope":-0.0008735166412327984,"intercept":6.999389319650202,"variance":0.9287092398543073,"difficulty":-382,"discrimination":0.004479398673070138,"irt_loglikelihood":-261.52843101044857,"irt_users":1705,"is_experimental":false},"abc100_b":{"slope":-0.0008372103870379177,"intercept":7.932427775337168,"variance":0.5173275767755449,"difficulty":376,"discrimination":0.004479398673070138,"irt_loglikelihood":-862.1935517777139,"irt_users":1705,"is_experimental":false},"abc100_c":{"slope":-0.0008726702564120275,"intercept":7.506233748939859,"variance":0.42337815838560383,"difficulty":320,"discrimination":0.004479398673070138,"irt_loglikelihood":-762.0218383431891,"irt_users":2099,"is_experimental":false},"abc100_d":{"slope":-0.0006168952029151891,"intercept":8.128990279931427,"variance":0.38384093589996565,"difficulty":1331,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.8651945103082,"irt_users":2099,"is_experimental":false},"abc101_a":{"slope":-0.0011423055792904985,"intercept":6.722219909476036,"variance":0.9975189561223579,"difficulty":-545,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.121957728792,"irt_users":1449,"is_experimental":false},"abc101_b":{"slope":-0.0009998961757787814,"intercept":6.876614943966807,"variance":0.6302160799544844,"difficulty":-227,"discrimination":0.004479398673070138,"irt_loglikelihood":-267.92057252819774,"irt_users":1449,"is_experimental":false},"arc099_a":{"slope":-0.0005200568031218814,"intercept":7.76753343341839,"variance":0.6771797555760503,"difficulty":579,"discrimination":0.004479398673070138,"irt_loglikelihood":-1206.23350056666,"irt_users":2445,"is_experimental":false},"arc099_b":{"slope":-0.0004325292555984719,"intercept":8.848636276930385,"variance":0.18956574519012293,"difficulty":2001,"discrimination":0.004479398673070138,"irt_loglikelihood":-571.9045486094233,"irt_users":2445,"is_experimental":false},"abc102_a":{"slope":-0.0011540842366034108,"intercept":6.733051342626403,"variance":1.3401365326364612,"difficulty":-690,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.09337786231407,"irt_users":1354,"is_experimental":false},"abc102_b":{"slope":-0.0010278379857492188,"intercept":6.56423073490642,"variance":0.6329527705501473,"difficulty":-328,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.40248595398378,"irt_users":1354,"is_experimental":false},"arc100_a":{"slope":-0.0010729060143978629,"intercept":8.823836560465816,"variance":0.6655769595454466,"difficulty":1089,"discrimination":0.004479398673070138,"irt_loglikelihood":-910.3231462658483,"irt_users":2189,"is_experimental":false},"arc100_b":{"slope":-0.000584696578195542,"intercept":8.791849441675156,"variance":0.2529559471998212,"difficulty":1801,"discrimination":0.004479398673070138,"irt_loglikelihood":-494.80164289694886,"irt_users":2189,"is_experimental":false},"abc103_a":{"slope":-0.0008746783940621251,"intercept":6.9492495873538,"variance":0.8517327336390428,"difficulty":-324,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.02051105013038,"irt_users":1545,"is_experimental":false},"abc103_b":{"slope":-0.0009925368397245918,"intercept":7.392303335466893,"variance":0.521087718394416,"difficulty":110,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.83239210653403,"irt_users":1545,"is_experimental":false},"abc103_c":{"slope":-0.0007892055826587078,"intercept":7.393219455218993,"variance":0.7323351402034612,"difficulty":451,"discrimination":0.004479398673070138,"irt_loglikelihood":-936.3564586741337,"irt_users":1893,"is_experimental":false},"abc103_d":{"slope":-0.0009054935770203423,"intercept":8.675215189338582,"variance":0.3642889959021562,"difficulty":1278,"discrimination":0.004479398673070138,"irt_loglikelihood":-774.1092985943329,"irt_users":1893,"is_experimental":false},"abc104_a":{"slope":-0.0007246116406331007,"intercept":6.235997418075712,"variance":1.0877229714623322,"difficulty":-743,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.21469931439019,"irt_users":1433,"is_experimental":false},"abc104_b":{"slope":-0.000893673981603265,"intercept":7.781817002752226,"variance":0.458717311486914,"difficulty":188,"discrimination":0.004479398673070138,"irt_loglikelihood":-582.4208266942443,"irt_users":1433,"is_experimental":false},"abc104_c":{"slope":-0.0008852513565345836,"intercept":8.744056378995623,"variance":0.355233636122347,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-557.8902870843156,"irt_users":1744,"is_experimental":false},"abc104_d":{"slope":-0.0006002659236949676,"intercept":8.684815093448954,"variance":0.27810482374902834,"difficulty":1739,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.8447345893976,"irt_users":1744,"is_experimental":false},"abc105_a":{"slope":-0.0010840023738486301,"intercept":6.967261245857753,"variance":1.222878431200241,"is_experimental":false},"abc105_b":{"slope":-0.001135927852006598,"intercept":7.332594817796243,"variance":0.700837010992146,"is_experimental":false},"abc105_c":{"slope":-0.0008527488683135527,"intercept":8.533049298174815,"variance":0.4844204700502356,"difficulty":1204,"discrimination":0.004479398673070138,"irt_loglikelihood":-782.2746947897913,"irt_users":1539,"is_experimental":false},"abc105_d":{"slope":-0.0012124668329216207,"intercept":9.016691969899652,"variance":0.6018031904718026,"difficulty":1458,"discrimination":0.004479398673070138,"irt_loglikelihood":-484.59300312798916,"irt_users":1539,"is_experimental":false},"abc106_a":{"slope":-0.0007601808223796026,"intercept":6.1174196189133765,"variance":1.1568088194436936,"difficulty":-744,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.687783774577,"irt_users":1400,"is_experimental":false},"abc106_b":{"slope":-0.0009653797976455353,"intercept":7.245927463770471,"variance":0.655637076306354,"difficulty":-75,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.89419069357245,"irt_users":1400,"is_experimental":false},"abc106_c":{"slope":-0.0009854707195926212,"intercept":8.027929035816767,"variance":0.4380834379470137,"difficulty":441,"discrimination":0.004479398673070138,"irt_loglikelihood":-699.064027728317,"irt_users":1686,"is_experimental":false},"abc106_d":{"slope":-0.0010052259198837217,"intercept":8.81760318742606,"variance":0.39775366832443454,"difficulty":1319,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.5760012701604,"irt_users":1686,"is_experimental":false},"abc107_a":{"slope":-0.0010063940717120648,"intercept":6.040648474148773,"variance":1.3563629246261668,"difficulty":-913,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.65245333273155,"irt_users":1311,"is_experimental":false},"abc107_b":{"slope":-0.0010902375609748043,"intercept":8.190423991126421,"variance":0.36918312367530604,"difficulty":448,"discrimination":0.004479398673070138,"irt_loglikelihood":-606.8507131200381,"irt_users":1311,"is_experimental":false},"arc101_a":{"slope":-0.001118416379344221,"intercept":8.793759330727328,"variance":0.5150478814885314,"difficulty":947,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.9846490992499,"irt_users":2131,"is_experimental":false},"arc101_b":{"slope":-0.0006343625055948056,"intercept":9.068314043650979,"variance":0.2790209777383829,"difficulty":2073,"discrimination":0.004479398673070138,"irt_loglikelihood":-312.4753299772035,"irt_users":2131,"is_experimental":false},"abc108_a":{"slope":-0.001125896830591213,"intercept":6.780396589458614,"variance":0.7442000922888091,"difficulty":-703,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.09948631957367,"irt_users":1262,"is_experimental":false},"abc108_b":{"slope":-0.0006405664649844969,"intercept":7.561674188481219,"variance":0.4713065516992569,"difficulty":310,"discrimination":0.004479398673070138,"irt_loglikelihood":-737.7782681903586,"irt_users":1262,"is_experimental":false},"arc102_a":{"slope":-0.0009716540695850916,"intercept":8.512004556220282,"variance":0.4779254928425533,"difficulty":966,"discrimination":0.004479398673070138,"irt_loglikelihood":-847.190836327075,"irt_users":2012,"is_experimental":false},"arc102_b":{"slope":-0.0006397300721302594,"intercept":9.239430980888585,"variance":0.20473355130129567,"difficulty":1810,"discrimination":0.004479398673070138,"irt_loglikelihood":-414.2682622100343,"irt_users":2012,"is_experimental":false},"abc109_a":{"slope":-0.0007756583671638034,"intercept":6.254994904445022,"variance":1.0732659005576621,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.41269822931724,"irt_users":1656,"is_experimental":false},"abc109_b":{"slope":-0.0009280736989306678,"intercept":7.339558781551157,"variance":0.4149194315305993,"difficulty":93,"discrimination":0.004479398673070138,"irt_loglikelihood":-488.9383238300523,"irt_users":1656,"is_experimental":false},"abc109_c":{"slope":-0.0012122587729035904,"intercept":8.204445064387254,"variance":0.5268137416016326,"difficulty":542,"discrimination":0.004479398673070138,"irt_loglikelihood":-867.0162278664114,"irt_users":2020,"is_experimental":false},"abc109_d":{"slope":-0.0006801458895156091,"intercept":8.360524890655144,"variance":0.32224450531027493,"difficulty":1172,"discrimination":0.004479398673070138,"irt_loglikelihood":-872.7557060564039,"irt_users":2020,"is_experimental":false},"abc110_a":{"slope":-0.0007897904809905711,"intercept":6.690995009665361,"variance":0.8169344129379924,"is_experimental":false},"abc110_b":{"slope":-0.0008724263435076623,"intercept":7.4673290653985545,"variance":0.4264479020821585,"is_experimental":false},"abc110_c":{"slope":-0.0007638616278316407,"intercept":8.130718389614373,"variance":0.5852988586383062,"difficulty":949,"discrimination":0.004479398673070138,"irt_loglikelihood":-993.2034097002736,"irt_users":1595,"is_experimental":false},"abc110_d":{"slope":-0.0010328159320075793,"intercept":9.097473262753992,"variance":0.462808373290022,"difficulty":1695,"discrimination":0.004479398673070138,"irt_loglikelihood":-374.32460673182743,"irt_users":1595,"is_experimental":false},"abc111_a":{"slope":-0.0012357768875022562,"intercept":6.757112967552435,"variance":0.8917352239765122,"difficulty":-627,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.32587883754785,"irt_users":1279,"is_experimental":false},"abc111_b":{"slope":-0.000968522075161498,"intercept":6.684688323130447,"variance":0.5983161822636857,"difficulty":-370,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.7741701608584,"irt_users":1279,"is_experimental":false},"arc103_a":{"slope":-0.0009749114515144573,"intercept":8.691143172528616,"variance":0.37304888796449137,"difficulty":826,"discrimination":0.004479398673070138,"irt_loglikelihood":-908.7068930063954,"irt_users":2243,"is_experimental":false},"arc103_b":{"slope":-0.0004948324529032462,"intercept":9.025368358212777,"variance":0.18251515847939442,"difficulty":2677,"discrimination":0.004479398673070138,"irt_loglikelihood":-151.30222959923697,"irt_users":2243,"is_experimental":false},"abc112_a":{"slope":-0.0007364927480259431,"intercept":6.152502271615002,"variance":1.0034775295249254,"difficulty":-687,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.97904119904018,"irt_users":1665,"is_experimental":false},"abc112_b":{"slope":-0.0009748361712377157,"intercept":6.991897741579915,"variance":0.45963989179935083,"difficulty":-175,"discrimination":0.004479398673070138,"irt_loglikelihood":-327.302643714219,"irt_users":1665,"is_experimental":false},"abc112_c":{"slope":-0.0008022790469542829,"intercept":8.698007474959539,"variance":0.37221888096812955,"difficulty":1147,"discrimination":0.004479398673070138,"irt_loglikelihood":-874.1639023568421,"irt_users":2024,"is_experimental":false},"abc112_d":{"slope":-0.0010078583259554449,"intercept":8.599104014379268,"variance":0.5776225167162885,"difficulty":1025,"discrimination":0.004479398673070138,"irt_loglikelihood":-932.5157839720854,"irt_users":2024,"is_experimental":false},"abc113_a":{"slope":-0.0006630949376878939,"intercept":5.900721118793024,"variance":1.1152252648823142,"difficulty":-910,"discrimination":0.004479398673070138,"irt_loglikelihood":-78.09627877524319,"irt_users":1662,"is_experimental":false},"abc113_b":{"slope":-0.0010041572949131656,"intercept":7.523430622107923,"variance":0.4855604281040565,"difficulty":144,"discrimination":0.004479398673070138,"irt_loglikelihood":-559.4171039069461,"irt_users":1662,"is_experimental":false},"abc113_c":{"slope":-0.001051314014048458,"intercept":8.532069344256483,"variance":0.3487888732655213,"difficulty":878,"discrimination":0.004479398673070138,"irt_loglikelihood":-981.6313401238924,"irt_users":2025,"is_experimental":false},"abc113_d":{"slope":-0.001102865530110401,"intercept":9.357824666624394,"variance":0.24384250872595997,"difficulty":1597,"discrimination":0.004479398673070138,"irt_loglikelihood":-414.68346877626965,"irt_users":2025,"is_experimental":false},"abc114_a":{"slope":-0.0007182215075168824,"intercept":5.873793127219314,"variance":1.1902683739673463,"difficulty":-636,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.839972805922,"irt_users":1214,"is_experimental":false},"abc114_b":{"slope":-0.0010501947440266911,"intercept":7.1872964006427935,"variance":0.46818168730884113,"difficulty":2,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.1205935188131,"irt_users":1214,"is_experimental":false},"abc114_c":{"slope":-0.0010395119893755378,"intercept":8.752726394741627,"variance":0.4354761327130836,"difficulty":1045,"discrimination":0.004479398673070138,"irt_loglikelihood":-715.4795438895667,"irt_users":1519,"is_experimental":false},"abc114_d":{"slope":-0.0009335357745204813,"intercept":8.865710254357056,"variance":0.27672959617710574,"difficulty":1337,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.0749100515103,"irt_users":1519,"is_experimental":false},"abc115_a":{"slope":-0.0006122048040491329,"intercept":5.9827474525332205,"variance":0.8479068409183581,"difficulty":-832,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.09031270712413,"irt_users":1381,"is_experimental":false},"abc115_b":{"slope":-0.0009088495977237707,"intercept":6.314819877824675,"variance":0.3974885795697083,"difficulty":-430,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.96064749686997,"irt_users":1381,"is_experimental":false},"abc115_c":{"slope":-0.0012161071702979614,"intercept":7.619280460940806,"variance":0.5270091367951578,"difficulty":273,"discrimination":0.004479398673070138,"irt_loglikelihood":-565.3832350030532,"irt_users":1733,"is_experimental":false},"abc115_d":{"slope":-0.0008086230358217886,"intercept":8.826342995350833,"variance":0.23644515998499127,"difficulty":1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-683.9420426684238,"irt_users":1733,"is_experimental":false},"abc116_a":{"slope":-0.0006819036219199377,"intercept":5.92806919227423,"variance":1.1850457140257293,"difficulty":-1030,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.00405814212455,"irt_users":1151,"is_experimental":false},"abc116_b":{"slope":-0.0010303337257907925,"intercept":7.542807655137718,"variance":0.3668700009722542,"difficulty":-55,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.8463416762173,"irt_users":1151,"is_experimental":false},"abc116_c":{"slope":-0.0011299133059093018,"intercept":8.236321121811008,"variance":0.4633708376255092,"difficulty":542,"discrimination":0.004479398673070138,"irt_loglikelihood":-654.1685339059969,"irt_users":1432,"is_experimental":false},"abc116_d":{"slope":-0.0007780718872089659,"intercept":9.191544939963231,"variance":0.27987461018187915,"difficulty":1712,"discrimination":0.004479398673070138,"irt_loglikelihood":-245.87723553275276,"irt_users":1432,"is_experimental":false},"abc117_a":{"slope":-0.0007879146197349307,"intercept":6.126568426546059,"variance":0.9393881679386556,"difficulty":-940,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.05712667682096,"irt_users":1867,"is_experimental":false},"abc117_b":{"slope":-0.0009095864641214318,"intercept":6.608088409267521,"variance":0.4348382009628642,"difficulty":-475,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.41672813464413,"irt_users":1867,"is_experimental":false},"abc117_c":{"slope":-0.0008662444795302235,"intercept":8.007717162746593,"variance":0.4221281606541687,"difficulty":612,"discrimination":0.004479398673070138,"irt_loglikelihood":-1346.1946249916198,"irt_users":2332,"is_experimental":false},"abc117_d":{"slope":-0.000936834092868753,"intercept":9.094929347002898,"variance":0.38803127881367006,"difficulty":1423,"discrimination":0.004479398673070138,"irt_loglikelihood":-708.229881350166,"irt_users":2332,"is_experimental":false},"abc118_a":{"slope":-0.0007684020651753204,"intercept":6.011333579863834,"variance":1.1874216798517807,"difficulty":-869,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.16151009037381,"irt_users":2008,"is_experimental":false},"abc118_b":{"slope":-0.0012348562682342658,"intercept":7.509465018186581,"variance":0.44286815921406825,"difficulty":3,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.8839476049258,"irt_users":2008,"is_experimental":false},"abc118_c":{"slope":-0.0013223581401702522,"intercept":8.222595841401244,"variance":0.6749475987729864,"difficulty":646,"discrimination":0.004479398673070138,"irt_loglikelihood":-1292.1334746670798,"irt_users":2442,"is_experimental":false},"abc118_d":{"slope":-0.0006619775680720775,"intercept":8.881759153638702,"variance":0.30752713797776526,"difficulty":1657,"discrimination":0.004479398673070138,"irt_loglikelihood":-491.8630322466751,"irt_users":2442,"is_experimental":false},"abc119_a":{"slope":-0.0008431695108659941,"intercept":6.946915027932801,"variance":0.6739831096313644,"difficulty":-417,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.28138469831214,"irt_users":1962,"is_experimental":false},"abc119_b":{"slope":-0.0008210306865070243,"intercept":6.7805853525031425,"variance":0.35221068836922065,"difficulty":-292,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.37765516130287,"irt_users":1962,"is_experimental":false},"abc119_c":{"slope":-0.0010951350670974711,"intercept":8.986035363655095,"variance":0.27686129130212883,"difficulty":1346,"discrimination":0.004479398673070138,"irt_loglikelihood":-684.3411802750907,"irt_users":2420,"is_experimental":false},"abc119_d":{"slope":-0.0010340139940627807,"intercept":9.061685042301754,"variance":0.28166446685573915,"difficulty":1346,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.7154328116343,"irt_users":2420,"is_experimental":false},"abc120_a":{"slope":-0.0008114793343228897,"intercept":6.2740370179651475,"variance":0.8358027327544655,"difficulty":-930,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.00127091170059,"irt_users":2361,"is_experimental":false},"abc120_b":{"slope":-0.0008800477884465102,"intercept":7.140446961799946,"variance":0.5244442624532648,"difficulty":-168,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.5393571710156,"irt_users":2361,"is_experimental":false},"abc120_c":{"slope":-0.0009672407072030909,"intercept":7.614424636916988,"variance":0.7142038471489763,"difficulty":372,"discrimination":0.004479398673070138,"irt_loglikelihood":-1236.4434976252055,"irt_users":2901,"is_experimental":false},"abc120_d":{"slope":-0.001123692592610455,"intercept":9.04395373198054,"variance":0.38815686478717093,"difficulty":1355,"discrimination":0.004479398673070138,"irt_loglikelihood":-721.8712152682652,"irt_users":2901,"is_experimental":false},"abc121_a":{"slope":-0.0008597971167857583,"intercept":6.440184962769214,"variance":0.7783669475732291,"difficulty":-831,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.96683107952978,"irt_users":2287,"is_experimental":false},"abc121_b":{"slope":-0.0009717156176927013,"intercept":6.936911857713658,"variance":0.30249731810280095,"difficulty":-245,"discrimination":0.004479398673070138,"irt_loglikelihood":-372.9637806178161,"irt_users":2287,"is_experimental":false},"abc121_c":{"slope":-0.0011535728372467605,"intercept":7.8189883930761575,"variance":0.3903718034691181,"difficulty":358,"discrimination":0.004479398673070138,"irt_loglikelihood":-1050.9768054250867,"irt_users":2847,"is_experimental":false},"abc121_d":{"slope":-0.0007405498908463122,"intercept":8.475630656616401,"variance":0.5634218249725976,"difficulty":1164,"discrimination":0.004479398673070138,"irt_loglikelihood":-1117.1547465816147,"irt_users":2847,"is_experimental":false},"abc122_a":{"slope":-0.0006452986994290432,"intercept":6.0733432969792505,"variance":0.9054429008396858,"difficulty":-794,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.85485421745815,"irt_users":2192,"is_experimental":false},"abc122_b":{"slope":-0.000960759068018665,"intercept":7.295173678909476,"variance":0.5374178170812169,"difficulty":-122,"discrimination":0.004479398673070138,"irt_loglikelihood":-505.34322364712716,"irt_users":2192,"is_experimental":false},"abc122_c":{"slope":-0.0011189135270482573,"intercept":8.179134539417506,"variance":0.4802339491822774,"difficulty":700,"discrimination":0.004479398673070138,"irt_loglikelihood":-1142.1448428220103,"irt_users":2614,"is_experimental":false},"abc122_d":{"slope":-0.0009030549524377146,"intercept":9.021747704131103,"variance":0.26672341812624817,"difficulty":1533,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.7039785070799,"irt_users":2614,"is_experimental":false},"abc123_a":{"slope":-0.0008645250508092106,"intercept":6.905541869317583,"variance":0.6645310200570218,"difficulty":-628,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.88126743196693,"irt_users":2997,"is_experimental":false},"abc123_b":{"slope":-0.0009902800013045954,"intercept":7.7540384121299075,"variance":0.3177365712562898,"difficulty":1,"discrimination":0.004479398673070138,"irt_loglikelihood":-925.775906748024,"irt_users":2997,"is_experimental":false},"abc123_c":{"slope":-0.0008065352033795421,"intercept":7.877564672204893,"variance":0.4797673892037309,"difficulty":643,"discrimination":0.004479398673070138,"irt_loglikelihood":-2021.2303804702788,"irt_users":3394,"is_experimental":false},"abc123_d":{"slope":-0.0005438474539415186,"intercept":8.416878752764703,"variance":0.3698840686310353,"difficulty":1489,"discrimination":0.004479398673070138,"irt_loglikelihood":-707.2744900559666,"irt_users":3394,"is_experimental":false},"abc124_a":{"slope":-0.0009314099611543869,"intercept":6.452068264723121,"variance":0.7859581364259491,"difficulty":-1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.82916431121086,"irt_users":3366,"is_experimental":false},"abc124_b":{"slope":-0.0010718978221496262,"intercept":6.7940408477829495,"variance":0.3685900864475218,"difficulty":-313,"discrimination":0.004479398673070138,"irt_loglikelihood":-585.2823333063475,"irt_users":3366,"is_experimental":false},"abc124_c":{"slope":-0.0011804268208049577,"intercept":7.477325827257627,"variance":0.45244299529799953,"difficulty":34,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.562374091798,"irt_users":3891,"is_experimental":false},"abc124_d":{"slope":-0.0008563852719097051,"intercept":8.92810547767946,"variance":0.24619648677607692,"difficulty":1138,"discrimination":0.004479398673070138,"irt_loglikelihood":-1346.6927958389776,"irt_users":3891,"is_experimental":false},"abc125_a":{"slope":-0.0009067741751071067,"intercept":6.433707309362639,"variance":0.7839259017821294,"difficulty":-832,"discrimination":0.004479398673070138,"irt_loglikelihood":-231.42966099247988,"irt_users":3469,"is_experimental":false},"abc125_b":{"slope":-0.0009129088827678407,"intercept":6.605826731951449,"variance":0.3879041355153258,"difficulty":-353,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.7001771520285,"irt_users":3469,"is_experimental":false},"abc125_c":{"slope":-0.0011845529982625967,"intercept":8.867559274101295,"variance":0.5523251449400618,"difficulty":1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-1524.4617149126088,"irt_users":4052,"is_experimental":false},"abc125_d":{"slope":-0.0009618327609256252,"intercept":8.419307212687473,"variance":0.4883239184877404,"difficulty":833,"discrimination":0.004479398673070138,"irt_loglikelihood":-2036.2727107235448,"irt_users":4052,"is_experimental":false},"abc126_a":{"slope":-0.0008804976840177097,"intercept":6.85714354472861,"variance":0.533294828042023,"is_experimental":false},"abc126_b":{"slope":-0.0009118923298708185,"intercept":7.464776735666234,"variance":0.44413683058686915,"is_experimental":false},"abc126_c":{"slope":-0.0010715064825490709,"intercept":8.24304525376489,"variance":0.40305893640960505,"difficulty":638,"discrimination":0.004479398673070138,"irt_loglikelihood":-1943.2538837189638,"irt_users":4082,"is_experimental":false},"abc126_d":{"slope":-0.001276208973879537,"intercept":8.82989121153897,"variance":0.3724912077816645,"difficulty":1279,"discrimination":0.004479398673070138,"irt_loglikelihood":-1286.5822668450967,"irt_users":4082,"is_experimental":false},"abc126_e":{"slope":-0.0012319077047138018,"intercept":8.571032645666333,"variance":0.3992564806295574,"difficulty":1340,"discrimination":0.004479398673070138,"irt_loglikelihood":-1184.4718100348919,"irt_users":4082,"is_experimental":false},"abc126_f":{"slope":-0.0003905806238936636,"intercept":8.246726174339276,"variance":0.2345721338678309,"difficulty":1770,"discrimination":0.004479398673070138,"irt_loglikelihood":-674.1297427615201,"irt_users":4082,"is_experimental":false},"abc127_a":{"slope":-0.0008868756073551073,"intercept":6.287741886693686,"variance":0.7245836324948068,"difficulty":-912,"discrimination":0.004479398673070138,"irt_loglikelihood":-179.9594019957433,"irt_users":4018,"is_experimental":false},"abc127_b":{"slope":-0.0007642853556536952,"intercept":6.093181114951924,"variance":0.2797611577158846,"difficulty":-688,"discrimination":0.004479398673070138,"irt_loglikelihood":-283.4355183817187,"irt_users":4018,"is_experimental":false},"abc127_c":{"slope":-0.0013033525661057027,"intercept":7.8388628667950275,"variance":0.4648279637196961,"difficulty":194,"discrimination":0.004479398673070138,"irt_loglikelihood":-1330.3744056733342,"irt_users":4106,"is_experimental":false},"abc127_d":{"slope":-0.0010329741519058955,"intercept":8.575701981859739,"variance":0.37623272285323384,"difficulty":887,"discrimination":0.004479398673070138,"irt_loglikelihood":-1703.3413466077186,"irt_users":4106,"is_experimental":false},"abc127_e":{"slope":-0.000836929632132979,"intercept":9.11397990642068,"variance":0.2668751678320719,"difficulty":1938,"discrimination":0.004479398673070138,"irt_loglikelihood":-488.65261309764315,"irt_users":4106,"is_experimental":false},"abc127_f":{"slope":-0.0004927040767055517,"intercept":8.764747910204662,"variance":0.28958848268970244,"difficulty":2003,"discrimination":0.004479398673070138,"irt_loglikelihood":-399.94999863954763,"irt_users":4106,"is_experimental":false},"abc128_a":{"slope":-0.0008126323131460617,"intercept":6.018512018584481,"variance":0.7646177705383496,"difficulty":-1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-197.2595789872677,"irt_users":4604,"is_experimental":false},"abc128_b":{"slope":-0.0012570887949389618,"intercept":7.956167893607969,"variance":0.4965779585418592,"difficulty":347,"discrimination":0.004479398673070138,"irt_loglikelihood":-1906.7433285053737,"irt_users":4604,"is_experimental":false},"abc128_c":{"slope":-0.0011671738541765469,"intercept":8.5828661435371,"variance":0.28183621453096747,"difficulty":805,"discrimination":0.004479398673070138,"irt_loglikelihood":-1801.687602963897,"irt_users":4714,"is_experimental":false},"abc128_d":{"slope":-0.0009385616948585884,"intercept":8.838228519199077,"variance":0.3064970698192424,"difficulty":1354,"discrimination":0.004479398673070138,"irt_loglikelihood":-1235.984364426353,"irt_users":4714,"is_experimental":false},"abc128_e":{"slope":-0.0008365448033843566,"intercept":9.068435003778541,"variance":0.27805121365114166,"difficulty":1840,"discrimination":0.004479398673070138,"irt_loglikelihood":-547.6159224167336,"irt_users":4714,"is_experimental":false},"abc128_f":{"slope":-0.00037638878438719833,"intercept":8.651915290502238,"variance":0.20505136822564632,"difficulty":2464,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.30888648169852,"irt_users":4714,"is_experimental":false},"abc129_a":{"slope":-0.0009400911729020931,"intercept":6.4340299818911095,"variance":0.6051142991997472,"difficulty":-727,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.64216057153018,"irt_users":4033,"is_experimental":false},"abc129_b":{"slope":-0.0010931089379664569,"intercept":7.2280795116262,"variance":0.3632391386282447,"difficulty":-182,"discrimination":0.004479398673070138,"irt_loglikelihood":-660.6735636556119,"irt_users":4033,"is_experimental":false},"abc129_c":{"slope":-0.0015578633612976897,"intercept":8.637589765034564,"variance":0.5564285964562542,"difficulty":796,"discrimination":0.004479398673070138,"irt_loglikelihood":-1491.4338831016819,"irt_users":4116,"is_experimental":false},"abc129_d":{"slope":-0.001123671146479527,"intercept":8.77247245307779,"variance":0.27798661303079775,"difficulty":1103,"discrimination":0.004479398673070138,"irt_loglikelihood":-1272.7386077117228,"irt_users":4116,"is_experimental":false},"abc129_e":{"slope":-0.0011625906785068375,"intercept":9.281201841424691,"variance":0.3104197198721673,"difficulty":1547,"discrimination":0.004479398673070138,"irt_loglikelihood":-753.4289844046684,"irt_users":4116,"is_experimental":false},"abc129_f":{"difficulty":2621,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.67516372108071,"irt_users":4116,"is_experimental":false,"slope":-0.00009552174277615141,"intercept":8.200289274228746,"variance":0.21810995183721255},"abc130_a":{"slope":-0.0008641691612742773,"intercept":5.740781094394985,"variance":0.9236710727586284,"difficulty":-977,"discrimination":0.004479398673070138,"irt_loglikelihood":-190.18082608367908,"irt_users":4484,"is_experimental":false},"abc130_b":{"slope":-0.0010548002707613485,"intercept":7.076211469539747,"variance":0.5963631733951483,"difficulty":-300,"discrimination":0.004479398673070138,"irt_loglikelihood":-788.6767369292571,"irt_users":4484,"is_experimental":false},"abc130_c":{"slope":-0.0007649664252581006,"intercept":7.642923084815628,"variance":0.6511116525934362,"difficulty":626,"discrimination":0.004479398673070138,"irt_loglikelihood":-2833.120282272462,"irt_users":4571,"is_experimental":false},"abc130_d":{"slope":-0.0012461879839044362,"intercept":8.771936146245961,"variance":0.40891831250190136,"difficulty":865,"discrimination":0.004479398673070138,"irt_loglikelihood":-1629.8334454485432,"irt_users":4571,"is_experimental":false},"abc130_e":{"slope":-0.0006168053576589582,"intercept":8.539424353602202,"variance":0.3987112252701866,"difficulty":1676,"discrimination":0.004479398673070138,"irt_loglikelihood":-738.8548965764237,"irt_users":4571,"is_experimental":false},"abc130_f":{"slope":-0.00030011009438420366,"intercept":8.412013904695014,"variance":0.3441600221590916,"difficulty":2240,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.74442574316737,"irt_users":4571,"is_experimental":false},"abc131_a":{"slope":-0.000987254049882375,"intercept":6.580467074398587,"variance":0.6402960213693641,"difficulty":-742,"discrimination":0.004479398673070138,"irt_loglikelihood":-290.97471398088766,"irt_users":4503,"is_experimental":false},"abc131_b":{"slope":-0.0009410259419820658,"intercept":7.418381501369816,"variance":0.27757149873701686,"difficulty":-183,"discrimination":0.004479398673070138,"irt_loglikelihood":-880.1899468526404,"irt_users":4503,"is_experimental":false},"abc131_c":{"slope":-0.0012008067549822013,"intercept":8.17682046339513,"variance":0.3572672139206826,"difficulty":518,"discrimination":0.004479398673070138,"irt_loglikelihood":-1894.6004157759705,"irt_users":4595,"is_experimental":false},"abc131_d":{"slope":-0.0010183457429359833,"intercept":7.720836135308175,"variance":0.4484633140384196,"difficulty":588,"discrimination":0.004479398673070138,"irt_loglikelihood":-1752.0220358862855,"irt_users":4595,"is_experimental":false},"abc131_e":{"slope":-0.0006656608844492652,"intercept":8.54353766301756,"variance":0.27214375582648714,"difficulty":1433,"discrimination":0.004479398673070138,"irt_loglikelihood":-1218.6016621217416,"irt_users":4595,"is_experimental":false},"abc131_f":{"slope":-0.0005613392847537393,"intercept":8.618091347916407,"variance":0.3042688374899159,"difficulty":1937,"discrimination":0.004479398673070138,"irt_loglikelihood":-457.2847462940893,"irt_users":4595,"is_experimental":false},"abc132_a":{"slope":-0.0010090810230706931,"intercept":7.046705772309927,"variance":0.5080930282847033,"difficulty":-483,"discrimination":0.004479398673070138,"irt_loglikelihood":-523.012588936875,"irt_users":4264,"is_experimental":false},"abc132_b":{"slope":-0.000951214886107116,"intercept":6.719174987968608,"variance":0.3120493576053627,"difficulty":-423,"discrimination":0.004479398673070138,"irt_loglikelihood":-506.47631768502646,"irt_users":4264,"is_experimental":false},"abc132_c":{"slope":-0.0009631234909742401,"intercept":6.850956286046531,"variance":0.35872655023230554,"difficulty":-99,"discrimination":0.004479398673070138,"irt_loglikelihood":-951.5782583927762,"irt_users":4370,"is_experimental":false},"abc132_d":{"slope":-0.0008526233440532689,"intercept":8.763378060563348,"variance":0.30836769237485984,"difficulty":1167,"discrimination":0.004479398673070138,"irt_loglikelihood":-1675.523186610211,"irt_users":4370,"is_experimental":false},"abc132_e":{"slope":-0.0011233643020973666,"intercept":9.279905591129248,"variance":0.37510159904937423,"difficulty":1625,"discrimination":0.004479398673070138,"irt_loglikelihood":-755.4985572312221,"irt_users":4370,"is_experimental":false},"abc132_f":{"slope":-0.000425719946277748,"intercept":8.583980335834822,"variance":0.17299004666765008,"difficulty":2143,"discrimination":0.004479398673070138,"irt_loglikelihood":-261.23505181957756,"irt_users":4370,"is_experimental":false},"abc133_a":{"slope":-0.000855860262181962,"intercept":5.933767411145718,"variance":0.856692205691114,"difficulty":-1009,"discrimination":0.004479398673070138,"irt_loglikelihood":-228.51847915056055,"irt_users":4588,"is_experimental":false},"abc133_b":{"slope":-0.0011163598681160378,"intercept":7.613683143558864,"variance":0.2869011215171691,"difficulty":47,"discrimination":0.004479398673070138,"irt_loglikelihood":-1246.4712683050748,"irt_users":4588,"is_experimental":false},"abc133_c":{"slope":-0.0012346018117155343,"intercept":8.398679507054444,"variance":0.5896174644022948,"difficulty":592,"discrimination":0.004479398673070138,"irt_loglikelihood":-2130.5370811532453,"irt_users":4689,"is_experimental":false},"abc133_d":{"slope":-0.0006746063634131392,"intercept":8.137381821118609,"variance":0.3032130657770925,"difficulty":938,"discrimination":0.004479398673070138,"irt_loglikelihood":-1957.5862112018792,"irt_users":4689,"is_experimental":false},"abc133_e":{"slope":-0.0007053854847227144,"intercept":8.632808903703351,"variance":0.2510477196602624,"difficulty":1505,"discrimination":0.004479398673070138,"irt_loglikelihood":-994.3752979323267,"irt_users":4689,"is_experimental":false},"abc133_f":{"difficulty":2330,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.44993837389956,"irt_users":4689,"is_experimental":false},"abc134_a":{"slope":-0.0008708543096888196,"intercept":5.618055304911444,"variance":1.0133070561468869,"difficulty":-1059,"discrimination":0.004479398673070138,"irt_loglikelihood":-147.42810623700234,"irt_users":4154,"is_experimental":false},"abc134_b":{"slope":-0.0009228395008321097,"intercept":6.519881591147868,"variance":0.36566431198078014,"difficulty":-455,"discrimination":0.004479398673070138,"irt_loglikelihood":-461.2727751339018,"irt_users":4154,"is_experimental":false},"abc134_c":{"slope":-0.0011735784284722713,"intercept":7.500112918055575,"variance":0.4712616066745712,"difficulty":-31,"discrimination":0.004479398673070138,"irt_loglikelihood":-936.2774837066687,"irt_users":4248,"is_experimental":false},"abc134_d":{"slope":-0.0009957769881779798,"intercept":8.739134646221466,"variance":0.31400979105413757,"difficulty":926,"discrimination":0.004479398673070138,"irt_loglikelihood":-1853.6987135450404,"irt_users":4248,"is_experimental":false},"abc134_e":{"slope":-0.0009422588546365958,"intercept":8.732873950137916,"variance":0.4974052152410542,"difficulty":1320,"discrimination":0.004479398673070138,"irt_loglikelihood":-1246.8790399245863,"irt_users":4248,"is_experimental":false},"abc134_f":{"slope":-0.00038746524317255135,"intercept":8.82020398876207,"variance":0.1741913712670896,"difficulty":2532,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.82696831532223,"irt_users":4248,"is_experimental":false},"abc135_a":{"slope":-0.0010541469231954397,"intercept":6.74410263291183,"variance":0.6844493147615003,"difficulty":-593,"discrimination":0.004479398673070138,"irt_loglikelihood":-404.8079212574288,"irt_users":3975,"is_experimental":false},"abc135_b":{"slope":-0.0010230772984144978,"intercept":6.985847149586033,"variance":0.48870540929726364,"difficulty":-195,"discrimination":0.004479398673070138,"irt_loglikelihood":-796.1839689166094,"irt_users":3975,"is_experimental":false},"abc135_c":{"slope":-0.0010582936565459266,"intercept":7.8432679335126565,"variance":0.4084150510364077,"difficulty":323,"discrimination":0.004479398673070138,"irt_loglikelihood":-1600.7151566814878,"irt_users":4074,"is_experimental":false},"abc135_d":{"slope":-0.0013114441735225066,"intercept":9.176370678287885,"variance":0.4541722189492711,"difficulty":1334,"discrimination":0.004479398673070138,"irt_loglikelihood":-1031.8465657872664,"irt_users":4074,"is_experimental":false},"abc135_e":{"difficulty":2665,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.51519530175733,"irt_users":4074,"is_experimental":false,"slope":-0.0002152876048702655,"intercept":8.712141835201344,"variance":0.21150323364659618},"abc135_f":{"slope":-0.0003899053197072412,"intercept":8.84414594981432,"variance":0.29955558719736175,"difficulty":2388,"discrimination":0.004479398673070138,"irt_loglikelihood":-180.3992195339064,"irt_users":4074,"is_experimental":false},"abc136_a":{"slope":-0.0008391936410895547,"intercept":6.262981836877067,"variance":0.6924655185794325,"difficulty":-880,"discrimination":0.004479398673070138,"irt_loglikelihood":-255.71053887073035,"irt_users":4293,"is_experimental":false},"abc136_b":{"slope":-0.00109812459219592,"intercept":7.079121516270006,"variance":0.617106689705208,"difficulty":-267,"discrimination":0.004479398673070138,"irt_loglikelihood":-877.9903208819707,"irt_users":4293,"is_experimental":false},"abc136_c":{"slope":-0.001072095638229441,"intercept":7.711704918585497,"variance":0.5466751661083997,"difficulty":295,"discrimination":0.004479398673070138,"irt_loglikelihood":-1723.9838694053133,"irt_users":4391,"is_experimental":false},"abc136_d":{"slope":-0.0009325832786708692,"intercept":8.483271076742401,"variance":0.2349855805515595,"difficulty":794,"discrimination":0.004479398673070138,"irt_loglikelihood":-1693.0858081549652,"irt_users":4391,"is_experimental":false},"abc136_e":{"slope":-0.0005480034620331039,"intercept":8.633786862092617,"variance":0.20411436545602016,"difficulty":1670,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.1967128062893,"irt_users":4391,"is_experimental":false},"abc136_f":{"slope":-0.0004696870213456225,"intercept":8.7270176025889,"variance":0.19524087622199138,"difficulty":2334,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.74218440008104,"irt_users":4391,"is_experimental":false},"abc137_a":{"slope":-0.0008370523672626773,"intercept":6.084680474316538,"variance":0.8544764026689121,"difficulty":-825,"discrimination":0.004479398673070138,"irt_loglikelihood":-287.1032578204901,"irt_users":4374,"is_experimental":false},"abc137_b":{"slope":-0.0008544214219770285,"intercept":6.489883566821243,"variance":0.30295612461439947,"difficulty":-561,"discrimination":0.004479398673070138,"irt_loglikelihood":-489.77880831698553,"irt_users":4374,"is_experimental":false},"abc137_c":{"slope":-0.0014071488110107503,"intercept":8.423517149792781,"variance":0.5875741256895304,"difficulty":597,"discrimination":0.004479398673070138,"irt_loglikelihood":-1930.5010319757687,"irt_users":4481,"is_experimental":false},"abc137_d":{"slope":-0.0010910923625276191,"intercept":8.93109998277813,"variance":0.4055716095967934,"difficulty":1313,"discrimination":0.004479398673070138,"irt_loglikelihood":-1227.3434003903858,"irt_users":4481,"is_experimental":false},"abc137_e":{"slope":-0.0004657276742463296,"intercept":8.424460731594992,"variance":0.3772629580016011,"difficulty":1740,"discrimination":0.004479398673070138,"irt_loglikelihood":-727.9883495399918,"irt_users":4481,"is_experimental":false},"abc137_f":{"slope":-0.00001778890027167987,"intercept":7.863226197053896,"variance":0.27354489826111456,"difficulty":2402,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.2066582951873,"irt_users":4481,"is_experimental":false},"agc002_a":{"slope":-0.0007350041161221318,"intercept":7.4490363873440035,"variance":0.636877220427243,"difficulty":170,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.31935320993827,"irt_users":482,"is_experimental":false},"agc002_b":{"slope":-0.0009548416344081289,"intercept":8.367898216086138,"variance":0.45475611538398586,"difficulty":981,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.7641446385371,"irt_users":482,"is_experimental":false},"agc002_c":{"slope":-0.0007780708306013765,"intercept":8.559583478555025,"variance":0.4708787176794533,"difficulty":1570,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.84168358067677,"irt_users":482,"is_experimental":false},"agc002_d":{"slope":-0.0002013332311405491,"intercept":8.023498236394083,"variance":0.47319926560869574,"difficulty":2514,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.36271496639093,"irt_users":482,"is_experimental":false},"agc002_e":{"difficulty":2889,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.88558590619071,"irt_users":482,"is_experimental":false},"agc002_f":{"difficulty":3399,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.05080247856545,"irt_users":482,"is_experimental":false},"agc003_a":{"slope":-0.0009096417826699175,"intercept":7.8962988490801305,"variance":0.5605051160539062,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.55200972480887,"irt_users":556,"is_experimental":false},"agc003_b":{"slope":-0.0009041525713124394,"intercept":8.57905864500813,"variance":0.6018582736955072,"difficulty":1234,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.48348402991306,"irt_users":556,"is_experimental":false},"agc003_c":{"slope":-0.000683884628446022,"intercept":8.195599866867761,"variance":0.6428896220477899,"difficulty":1541,"discrimination":0.004479398673070138,"irt_loglikelihood":-257.8601233605367,"irt_users":556,"is_experimental":false},"agc003_d":{"slope":-0.0005157048037883802,"intercept":9.3081490534003,"variance":0.13440101952731573,"difficulty":2608,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.01126636731986,"irt_users":556,"is_experimental":false},"agc003_e":{"difficulty":2983,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.8918950688477,"irt_users":556,"is_experimental":false,"slope":-0.0009406708728662685,"intercept":10.38338864496243,"variance":0.19434130934697383},"agc003_f":{"difficulty":3344,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.95059139247815,"irt_users":556,"is_experimental":false,"slope":-0.0004237986451724922,"intercept":9.223042885175163,"variance":0.05496842256631459},"agc004_a":{"slope":-0.001167396528544511,"intercept":8.295274966918107,"variance":0.6528520874216203,"difficulty":558,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.0745541088886,"irt_users":624,"is_experimental":false},"agc004_b":{"slope":-0.0011914338789454962,"intercept":9.730476106431437,"variance":0.4418794952171062,"difficulty":1871,"discrimination":0.004479398673070138,"irt_loglikelihood":-247.68022164148869,"irt_users":624,"is_experimental":false},"agc004_c":{"slope":-0.00045918848789770625,"intercept":8.473249031720892,"variance":0.48044650509642983,"difficulty":2367,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.67061066438217,"irt_users":624,"is_experimental":false},"agc004_d":{"slope":-0.0005908831241943909,"intercept":9.113470589658698,"variance":0.2747192796945281,"difficulty":2346,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.3534176650025,"irt_users":624,"is_experimental":false},"agc004_e":{"difficulty":3205,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.88305710438956,"irt_users":624,"is_experimental":false,"slope":-0.0002914252842925926,"intercept":8.671877038561771,"variance":0.04377098232110004},"agc004_f":{"difficulty":3986,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.287964106984392,"irt_users":624,"is_experimental":false},"agc005_a":{"slope":-0.001142161320486993,"intercept":8.643427193168518,"variance":0.7126863629021324,"difficulty":1054,"discrimination":0.004479398673070138,"irt_loglikelihood":-236.94540530467214,"irt_users":598,"is_experimental":false},"agc005_b":{"slope":-0.0010606616617539325,"intercept":9.294518737001551,"variance":0.5291317648197637,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.67662349289643,"irt_users":598,"is_experimental":false},"agc005_c":{"slope":-0.0006503621260408762,"intercept":8.855286293576212,"variance":0.3900405022217961,"difficulty":1976,"discrimination":0.004479398673070138,"irt_loglikelihood":-177.21893836306788,"irt_users":598,"is_experimental":false},"agc005_d":{"difficulty":2943,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.745597232081764,"irt_users":598,"is_experimental":false,"slope":-0.000532887091996796,"intercept":9.313188521964332,"variance":0.26817036137106737},"agc005_e":{"difficulty":3276,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.54094341162372,"irt_users":598,"is_experimental":false,"slope":-0.00018907659207116403,"intercept":8.638532403286137,"variance":0.1299388240177106},"agc005_f":{"difficulty":3440,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.578023193596916,"irt_users":598,"is_experimental":false,"slope":-0.0007889147596572284,"intercept":10.338829460502991,"variance":0.26721313548195175},"agc006_a":{"slope":-0.00119041627912907,"intercept":8.65993961367503,"variance":0.5185281607998291,"difficulty":516,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.4160238924293,"irt_users":602,"is_experimental":false},"agc006_b":{"slope":-0.0006430937990148355,"intercept":9.162043483002558,"variance":0.249471921925383,"difficulty":1600,"discrimination":0.004479398673070138,"irt_loglikelihood":-283.2603694380972,"irt_users":602,"is_experimental":false},"agc006_c":{"difficulty":2996,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.23329376846974,"irt_users":602,"is_experimental":false,"slope":-0.0006359214096739326,"intercept":9.481142481226339,"variance":0.34494356906210666},"agc006_d":{"difficulty":3054,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.10735425873215,"irt_users":602,"is_experimental":false,"slope":-0.0005343679916536622,"intercept":9.385716968453377,"variance":0.1981654134198447},"agc006_e":{"difficulty":3101,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.54963629622731,"irt_users":602,"is_experimental":false,"slope":-0.00021442211755490798,"intercept":8.787293629206168,"variance":0.1037943677666609},"agc006_f":{"difficulty":3530,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.106977898436885,"irt_users":602,"is_experimental":false},"agc007_a":{"slope":-0.0010100752894403081,"intercept":8.74114509441931,"variance":0.5148788220520522,"difficulty":792,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.09168366061283,"irt_users":554,"is_experimental":false},"agc007_b":{"slope":-0.0009735067322318682,"intercept":9.30630835286963,"variance":0.40567069717402465,"difficulty":1611,"discrimination":0.004479398673070138,"irt_loglikelihood":-256.80778379138206,"irt_users":554,"is_experimental":false},"agc007_c":{"difficulty":3379,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.099679735187703,"irt_users":554,"is_experimental":false,"slope":-0.001580807650954172,"intercept":12.502899819897202,"variance":0.16981481082564664},"agc007_d":{"slope":-0.00038005558848418187,"intercept":9.069616993486644,"variance":0.21921203744466153,"difficulty":2755,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.73588076296384,"irt_users":554,"is_experimental":false},"agc007_e":{"difficulty":3906,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.576337798439002,"irt_users":554,"is_experimental":false},"agc007_f":{"difficulty":3642,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.52918949626165,"irt_users":554,"is_experimental":false},"agc008_a":{"slope":-0.0010932214185046824,"intercept":9.363316671192042,"variance":0.5057693132125548,"difficulty":740,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.74546851318155,"irt_users":444,"is_experimental":false},"agc008_b":{"slope":-0.0009962646331253334,"intercept":9.24997675983698,"variance":0.35601792270986676,"difficulty":1822,"discrimination":0.004479398673070138,"irt_loglikelihood":-151.3127328434576,"irt_users":444,"is_experimental":false},"agc008_c":{"slope":-0.0006270636097916409,"intercept":8.974445435687947,"variance":0.28522738929597463,"difficulty":1953,"discrimination":0.004479398673070138,"irt_loglikelihood":-205.15023502613445,"irt_users":444,"is_experimental":false},"agc008_d":{"slope":-0.00048812784861813907,"intercept":8.632767302094937,"variance":0.2897118697462845,"difficulty":2164,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.9361952076648,"irt_users":444,"is_experimental":false},"agc008_e":{"difficulty":3559,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.856135431910598,"irt_users":444,"is_experimental":false,"slope":-0.00004012962025758845,"intercept":8.136746627011199,"variance":0.11318762520622061},"agc008_f":{"difficulty":3995,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.135240400053103,"irt_users":444,"is_experimental":false},"agc009_a":{"slope":-0.0010681123463651488,"intercept":8.640696143765506,"variance":0.5930804840217245,"difficulty":759,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.45362334299276,"irt_users":623,"is_experimental":false},"agc009_b":{"slope":-0.0009818698389710888,"intercept":9.496904020763793,"variance":0.40317247768474496,"difficulty":1685,"discrimination":0.004479398673070138,"irt_loglikelihood":-223.7102427510398,"irt_users":623,"is_experimental":false},"agc009_c":{"slope":-0.00034563698356596963,"intercept":8.845075269589577,"variance":0.20667978136716977,"difficulty":2437,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.33387431410554,"irt_users":623,"is_experimental":false},"agc009_d":{"difficulty":3404,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.682961700716575,"irt_users":623,"is_experimental":false,"slope":-0.0007159025786455232,"intercept":10.157457156988167,"variance":0.12437740188176805},"agc009_e":{"difficulty":3428,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.39440710542621,"irt_users":623,"is_experimental":false,"slope":-0.00006973060744313934,"intercept":8.20951674222254,"variance":0.1373817983398182},"agc010_a":{"slope":-0.0008255460842586142,"intercept":7.348879446239194,"variance":0.6448861045919071,"difficulty":-10000,"discrimination":0.004479398673070138,"irt_loglikelihood":-2302.5850929940457,"irt_users":677,"is_experimental":false},"agc010_b":{"slope":-0.0009663005878225549,"intercept":9.727933075376988,"variance":0.3690329498100251,"difficulty":1892,"discrimination":0.004479398673070138,"irt_loglikelihood":-255.53951638018722,"irt_users":677,"is_experimental":false},"agc010_c":{"slope":-0.0008214188266664889,"intercept":9.849350093092225,"variance":0.23150162265813468,"difficulty":2346,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.84175808363554,"irt_users":677,"is_experimental":false},"agc010_d":{"slope":-0.0005555980897827228,"intercept":9.229410291571268,"variance":0.21445223101828179,"difficulty":2795,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.34408323275066,"irt_users":677,"is_experimental":false},"agc010_e":{"difficulty":3887,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.343111204731901,"irt_users":677,"is_experimental":false},"agc010_f":{"slope":-0.00003444045258062184,"intercept":7.4709876495030105,"variance":0.3023065427251394,"difficulty":2897,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.3040241606571,"irt_users":677,"is_experimental":false},"agc011_a":{"slope":-0.0010616735079836653,"intercept":8.634259822212229,"variance":0.3895349339749654,"difficulty":827,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.39629253340667,"irt_users":590,"is_experimental":false},"agc011_b":{"slope":-0.0008939869423516738,"intercept":8.422382483228217,"variance":0.3331481131663835,"difficulty":998,"discrimination":0.004479398673070138,"irt_loglikelihood":-191.29537045022263,"irt_users":590,"is_experimental":false},"agc011_c":{"slope":-0.0008462933407006273,"intercept":9.956033655797825,"variance":0.26810000846915,"difficulty":2355,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.77034028551608,"irt_users":590,"is_experimental":false},"agc011_d":{"difficulty":2931,"discrimination":0.004479398673070138,"irt_loglikelihood":-98.8616712572518,"irt_users":590,"is_experimental":false,"slope":-0.0002964680032754075,"intercept":8.779186922450315,"variance":0.13419957608010746},"agc011_e":{"difficulty":3315,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.29820511469378,"irt_users":590,"is_experimental":false,"slope":-0.000024012468260863048,"intercept":7.9416739810631185,"variance":0.14165039103860858},"agc011_f":{"difficulty":3863,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.690427138940029,"irt_users":590,"is_experimental":false},"agc012_a":{"slope":-0.0008905107594629308,"intercept":7.991491635181528,"variance":0.5497470166266946,"difficulty":474,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.87657984468248,"irt_users":730,"is_experimental":false},"agc012_b":{"slope":-0.0008915021579403646,"intercept":9.544785317434508,"variance":0.34917124120474335,"difficulty":2047,"discrimination":0.004479398673070138,"irt_loglikelihood":-320.3027094326334,"irt_users":730,"is_experimental":false},"agc012_c":{"slope":-0.0006641518702140113,"intercept":9.586822494656754,"variance":0.2065681050198998,"difficulty":2731,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.92319829246244,"irt_users":730,"is_experimental":false},"agc012_d":{"slope":-0.00032139673202412046,"intercept":8.773156693593991,"variance":0.20337381098732613,"difficulty":2760,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.01608793879778,"irt_users":730,"is_experimental":false},"agc012_e":{"difficulty":3490,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.59695460319735,"irt_users":730,"is_experimental":false,"slope":-0.0007438193479123242,"intercept":10.29117973986501,"variance":0.11149764874655603},"agc013_a":{"slope":-0.0010467999014301974,"intercept":8.738760480634294,"variance":0.5381553951316331,"difficulty":614,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.48459710356977,"irt_users":714,"is_experimental":false},"agc013_b":{"slope":-0.0009546982833353476,"intercept":9.34615827447542,"variance":0.49227705909449526,"difficulty":1763,"discrimination":0.004479398673070138,"irt_loglikelihood":-300.74799552065355,"irt_users":714,"is_experimental":false},"agc013_c":{"slope":-0.0005563057113089534,"intercept":9.351468179006615,"variance":0.566526488784433,"difficulty":2462,"discrimination":0.004479398673070138,"irt_loglikelihood":-213.83041749886436,"irt_users":714,"is_experimental":false},"agc013_d":{"difficulty":3089,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.23021955415103,"irt_users":714,"is_experimental":false,"slope":-0.00009455066002463772,"intercept":8.3138807816583,"variance":0.2784752128969428},"agc013_e":{"difficulty":3455,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.80312673162538,"irt_users":714,"is_experimental":false,"slope":-0.00004330980782462994,"intercept":8.386501429739543,"variance":0.21748841382659853},"agc013_f":{"difficulty":3905,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.5232352642884135,"irt_users":714,"is_experimental":false},"agc014_a":{"slope":-0.0007697235540583402,"intercept":8.177551515692652,"variance":0.5728083457846788,"difficulty":279,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.63990704530008,"irt_users":788,"is_experimental":false},"agc014_b":{"slope":-0.0008405869263271239,"intercept":8.414882312399744,"variance":0.47350689327793877,"difficulty":1236,"discrimination":0.004479398673070138,"irt_loglikelihood":-387.0466121295973,"irt_users":788,"is_experimental":false},"agc014_c":{"slope":-0.0008014391058502722,"intercept":9.394564093690134,"variance":0.33063002963173715,"difficulty":1863,"discrimination":0.004479398673070138,"irt_loglikelihood":-346.6802805409813,"irt_users":788,"is_experimental":false},"agc014_d":{"slope":-0.0007319526193328678,"intercept":9.547382347768563,"variance":0.31831522737795637,"difficulty":2266,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.25554401193946,"irt_users":788,"is_experimental":false},"agc014_e":{"difficulty":3312,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.19660423688197,"irt_users":788,"is_experimental":false},"agc014_f":{"difficulty":4201,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.526039772218663,"irt_users":788,"is_experimental":false},"agc015_a":{"slope":-0.001024558896283595,"intercept":8.124734194168237,"variance":0.5478417417756192,"difficulty":620,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.36548411399147,"irt_users":811,"is_experimental":false},"agc015_b":{"slope":-0.0010032869948694107,"intercept":8.159050541080676,"variance":0.38537975597075796,"difficulty":665,"discrimination":0.004479398673070138,"irt_loglikelihood":-217.68291484915608,"irt_users":811,"is_experimental":false},"agc015_c":{"slope":-0.000654418852038246,"intercept":9.148797455027038,"variance":0.40294317565463417,"difficulty":2241,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.0970204062384,"irt_users":811,"is_experimental":false},"agc015_d":{"slope":-0.000285976171854648,"intercept":8.738612541699114,"variance":0.2158005918043634,"difficulty":2655,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.35502325031223,"irt_users":811,"is_experimental":false},"agc015_e":{"difficulty":3571,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.352656277102742,"irt_users":811,"is_experimental":false,"slope":-0.0001537793625842841,"intercept":8.561961011392949,"variance":0.10859267711544432},"agc015_f":{"difficulty":4083,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.048252603408554,"irt_users":811,"is_experimental":false},"agc016_a":{"slope":-0.0010623924054577367,"intercept":8.808647423646729,"variance":0.37358101713641595,"difficulty":951,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.3246423561421,"irt_users":763,"is_experimental":false},"agc016_b":{"slope":-0.0008922410093489766,"intercept":9.341597439499731,"variance":0.34145670647606985,"difficulty":1626,"discrimination":0.004479398673070138,"irt_loglikelihood":-302.5413228975509,"irt_users":763,"is_experimental":false},"agc016_c":{"slope":-0.0006472603690875331,"intercept":8.994824117617219,"variance":0.38597064865379976,"difficulty":2017,"discrimination":0.004479398673070138,"irt_loglikelihood":-274.23203272815095,"irt_users":763,"is_experimental":false},"agc016_d":{"slope":-0.0005242838289055001,"intercept":9.226793599627639,"variance":0.18407827573333488,"difficulty":2910,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.83230052997386,"irt_users":763,"is_experimental":false},"agc016_e":{"slope":-0.00023002683783142293,"intercept":8.17372477767989,"variance":0.26187015620374854,"difficulty":3029,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.78725985016371,"irt_users":763,"is_experimental":false},"agc016_f":{"difficulty":3754,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.427902031185248,"irt_users":763,"is_experimental":false},"agc017_a":{"slope":-0.0011881524890179074,"intercept":8.919316716983,"variance":0.5310480151899092,"difficulty":815,"discrimination":0.004479398673070138,"irt_loglikelihood":-243.12614796783268,"irt_users":940,"is_experimental":false},"agc017_b":{"slope":-0.0009260398019148147,"intercept":9.171644485009255,"variance":0.42401606933618946,"difficulty":1627,"discrimination":0.004479398673070138,"irt_loglikelihood":-484.9529603562977,"irt_users":940,"is_experimental":false},"agc017_c":{"difficulty":3133,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.82023473140775,"irt_users":940,"is_experimental":false,"slope":-0.0005795942632084504,"intercept":9.329813606198405,"variance":0.19550202343246562},"agc017_d":{"slope":-0.00048981630017486,"intercept":8.463136934423108,"variance":0.6620482061064884,"difficulty":2156,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.26239713779853,"irt_users":940,"is_experimental":false},"agc017_e":{"difficulty":3158,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.54169779623958,"irt_users":940,"is_experimental":false,"slope":-0.0006078123626706798,"intercept":9.73796560836334,"variance":0.15054079717516333},"agc017_f":{"difficulty":3417,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.4972105606462,"irt_users":940,"is_experimental":false,"slope":-0.0002654485803245489,"intercept":8.484315978087292,"variance":0.32967513305083224},"agc018_a":{"slope":-0.0009877301533831682,"intercept":8.808395367760063,"variance":0.6311454141268997,"difficulty":947,"discrimination":0.004479398673070138,"irt_loglikelihood":-407.3153829260822,"irt_users":895,"is_experimental":false},"agc018_b":{"slope":-0.0007787650599125288,"intercept":9.138417620610864,"variance":0.39897329434486295,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.371140347885,"irt_users":895,"is_experimental":false},"agc018_c":{"slope":-0.0005938339944436846,"intercept":9.48696205583306,"variance":0.30380953173044917,"difficulty":2618,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.63748574695273,"irt_users":895,"is_experimental":false},"agc018_d":{"slope":-0.00048367254743958963,"intercept":9.19564468668851,"variance":0.22838845599356117,"difficulty":2757,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.23631144445147,"irt_users":895,"is_experimental":false},"agc018_e":{"difficulty":3953,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.588493178969923,"irt_users":895,"is_experimental":false},"agc018_f":{"difficulty":3793,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.810833987436336,"irt_users":895,"is_experimental":false},"agc019_a":{"slope":-0.0009633451169376347,"intercept":8.186731561984146,"variance":0.6999352174984824,"difficulty":509,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.62576868523314,"irt_users":1229,"is_experimental":false},"agc019_b":{"slope":-0.0008677923448090553,"intercept":8.957973922327172,"variance":0.640806485894697,"difficulty":1357,"discrimination":0.004479398673070138,"irt_loglikelihood":-714.5017424734389,"irt_users":1229,"is_experimental":false},"agc019_c":{"slope":-0.0006121996476257591,"intercept":9.790478694091824,"variance":0.1804635794836239,"difficulty":2495,"discrimination":0.004479398673070138,"irt_loglikelihood":-379.25058714500426,"irt_users":1229,"is_experimental":false},"agc019_d":{"slope":-0.000553410618578083,"intercept":9.611248323238664,"variance":0.251354617957051,"difficulty":2601,"discrimination":0.004479398673070138,"irt_loglikelihood":-198.4530997238514,"irt_users":1229,"is_experimental":false},"agc019_e":{"difficulty":3597,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.317501737306934,"irt_users":1229,"is_experimental":false,"slope":-0.0006353107507417509,"intercept":10.108368617634575,"variance":0.1146891335082074},"agc019_f":{"difficulty":3742,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.728416117082528,"irt_users":1229,"is_experimental":false,"slope":-0.0002315265855362854,"intercept":8.70106073008902,"variance":0.16979048247004605},"agc020_a":{"slope":-0.000703349049345362,"intercept":7.327780321439551,"variance":0.6082307808473472,"difficulty":-78,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.50685651299,"irt_users":1284,"is_experimental":false},"agc020_b":{"slope":-0.0009084291215976778,"intercept":9.174109160882864,"variance":0.4673399294197969,"difficulty":1404,"discrimination":0.004479398673070138,"irt_loglikelihood":-553.5983356314966,"irt_users":1284,"is_experimental":false},"agc020_c":{"slope":-0.0007157450380489234,"intercept":9.148572452404588,"variance":0.5228895358338213,"difficulty":2259,"discrimination":0.004479398673070138,"irt_loglikelihood":-341.7638448981931,"irt_users":1284,"is_experimental":false},"agc020_d":{"slope":-0.000473564939853811,"intercept":9.568120550545588,"variance":0.21451540021335913,"difficulty":3062,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.45280226677691,"irt_users":1284,"is_experimental":false},"agc020_e":{"slope":-0.0002563051266276048,"intercept":8.569508108043948,"variance":0.2312685342789553,"difficulty":2944,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.5126855449179,"irt_users":1284,"is_experimental":false},"agc021_a":{"slope":-0.0009877080169270617,"intercept":8.42150442476817,"variance":0.5304742340344482,"difficulty":396,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.1839166842018,"irt_users":1016,"is_experimental":false},"agc021_b":{"slope":-0.0008354190508775909,"intercept":9.721194862700177,"variance":0.30272887003926424,"difficulty":2130,"discrimination":0.004479398673070138,"irt_loglikelihood":-307.0761290211878,"irt_users":1016,"is_experimental":false},"agc021_c":{"slope":-0.0005015813656942527,"intercept":9.393029360611425,"variance":0.19513642342353582,"difficulty":2886,"discrimination":0.004479398673070138,"irt_loglikelihood":-173.18782293618196,"irt_users":1016,"is_experimental":false},"agc021_d":{"slope":-0.0007410838726500835,"intercept":9.377834302007386,"variance":0.4090061766381686,"difficulty":2287,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.21843385513736,"irt_users":1016,"is_experimental":false},"agc021_e":{"difficulty":3944,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.990444657638998,"irt_users":1016,"is_experimental":false},"agc021_f":{"difficulty":4145,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.108054385484913,"irt_users":1016,"is_experimental":false},"agc022_a":{"slope":-0.000965097644218029,"intercept":9.065887064094184,"variance":0.43185597595222824,"difficulty":738,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.00067972471936,"irt_users":931,"is_experimental":false},"agc022_b":{"slope":-0.000678324345564447,"intercept":9.292378650010892,"variance":0.3171854419378974,"difficulty":1645,"discrimination":0.004479398673070138,"irt_loglikelihood":-368.28495842544015,"irt_users":931,"is_experimental":false},"agc022_c":{"slope":-0.0006738176662563492,"intercept":9.336158732338749,"variance":0.3525579371939425,"difficulty":2176,"discrimination":0.004479398673070138,"irt_loglikelihood":-219.06131583133626,"irt_users":931,"is_experimental":false},"agc022_d":{"difficulty":3866,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.98139022196581,"irt_users":931,"is_experimental":false},"agc022_e":{"slope":-0.00019859682072934594,"intercept":8.683943341775432,"variance":0.18978632854269128,"difficulty":2955,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.21229322484012,"irt_users":931,"is_experimental":false},"agc022_f":{"difficulty":3606,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.072639503829905,"irt_users":931,"is_experimental":false},"agc023_a":{"slope":-0.0013241110864050073,"intercept":9.025049492584792,"variance":0.7787513523184394,"difficulty":1038,"discrimination":0.004479398673070138,"irt_loglikelihood":-493.71148052862105,"irt_users":1362,"is_experimental":false},"agc023_b":{"slope":-0.0008739283543236796,"intercept":9.119364368364078,"variance":0.47736765826487576,"difficulty":1434,"discrimination":0.004479398673070138,"irt_loglikelihood":-530.2080741673503,"irt_users":1362,"is_experimental":false},"agc023_c":{"slope":-0.000708050375789796,"intercept":9.766911685163583,"variance":0.3965330683740175,"difficulty":2568,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.00874791395375,"irt_users":1362,"is_experimental":false},"agc023_d":{"difficulty":3173,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.15329059431683,"irt_users":1362,"is_experimental":false,"slope":-0.0006769927973729139,"intercept":10.092836261219256,"variance":0.16224300416166165},"agc023_e":{"difficulty":3653,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.399154973045736,"irt_users":1362,"is_experimental":false,"slope":-0.00023025275573426972,"intercept":9.151708990491235,"variance":0.1875748422265018},"agc023_f":{"difficulty":3148,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.41392830976663,"irt_users":1362,"is_experimental":false,"slope":-0.0004727551583363717,"intercept":9.325437194136137,"variance":0.32961320702463986},"agc024_a":{"slope":-0.0007706012213526657,"intercept":7.820660132434009,"variance":0.5865760736149925,"difficulty":144,"discrimination":0.004479398673070138,"irt_loglikelihood":-357.9950703272881,"irt_users":1487,"is_experimental":false},"agc024_b":{"slope":-0.0010916521094721432,"intercept":9.001312906343403,"variance":0.5077943905046873,"difficulty":1259,"discrimination":0.004479398673070138,"irt_loglikelihood":-601.1194959414485,"irt_users":1487,"is_experimental":false},"agc024_c":{"slope":-0.0006457703740866952,"intercept":8.553759381206024,"variance":0.39726130383944597,"difficulty":1279,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.9005093264276,"irt_users":1487,"is_experimental":false},"agc024_d":{"slope":-0.0003910199767170015,"intercept":8.913857458903795,"variance":0.1985880676812378,"difficulty":2307,"discrimination":0.004479398673070138,"irt_loglikelihood":-272.99790514789754,"irt_users":1487,"is_experimental":false},"agc024_e":{"slope":-0.00032691855286597006,"intercept":8.814488030891095,"variance":0.20643494193200101,"difficulty":3001,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.28600677910062,"irt_users":1487,"is_experimental":false},"agc024_f":{"difficulty":3544,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.35461422342553,"irt_users":1487,"is_experimental":false,"slope":-0.0007472246776089345,"intercept":10.297749589694353,"variance":0.25288763697527017},"agc025_a":{"slope":-0.0009612921551406949,"intercept":7.53581060350711,"variance":0.7095849096611465,"difficulty":-598,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.78435442835806,"irt_users":1527,"is_experimental":false},"agc025_b":{"slope":-0.0011114914449297483,"intercept":9.693853512932689,"variance":0.49878225850371355,"difficulty":1739,"discrimination":0.004479398673070138,"irt_loglikelihood":-448.17175826148974,"irt_users":1527,"is_experimental":false},"agc025_c":{"slope":-0.0006535884440255844,"intercept":9.179923102876728,"variance":0.29736563481196454,"difficulty":2057,"discrimination":0.004479398673070138,"irt_loglikelihood":-383.8357651820578,"irt_users":1527,"is_experimental":false},"agc025_d":{"slope":-0.0004818778901150791,"intercept":9.22084888964271,"variance":0.28023967007748507,"difficulty":2868,"discrimination":0.004479398673070138,"irt_loglikelihood":-136.15680627584163,"irt_users":1527,"is_experimental":false},"agc025_e":{"difficulty":3584,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.54193171407629,"irt_users":1527,"is_experimental":false,"slope":-0.00019853954840798224,"intercept":8.914181575468646,"variance":0.20548512850588435},"agc025_f":{"difficulty":3936,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.18228609117679,"irt_users":1527,"is_experimental":false},"agc026_a":{"slope":-0.0008656610041315331,"intercept":7.378026746678024,"variance":0.6704462704423183,"difficulty":-183,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.76669104777497,"irt_users":1799,"is_experimental":false},"agc026_b":{"slope":-0.0007433373393386604,"intercept":9.279399346765905,"variance":0.34110217320535935,"difficulty":1720,"discrimination":0.004479398673070138,"irt_loglikelihood":-722.3231895689422,"irt_users":1799,"is_experimental":false},"agc026_c":{"slope":-0.0008576014718292627,"intercept":9.401274693036692,"variance":0.37534473252622647,"difficulty":1836,"discrimination":0.004479398673070138,"irt_loglikelihood":-462.8205379631524,"irt_users":1799,"is_experimental":false},"agc026_d":{"slope":-0.0004027506918277324,"intercept":9.274529080920633,"variance":0.12135365008788429,"difficulty":2746,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.66848869773756,"irt_users":1799,"is_experimental":false},"agc026_e":{"slope":-0.0006558865372290504,"intercept":9.986909223254592,"variance":0.17123293672864665,"difficulty":3016,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.47017408973197,"irt_users":1799,"is_experimental":false},"agc026_f":{"difficulty":3704,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.479318875387467,"irt_users":1799,"is_experimental":false,"slope":-0.000726089343113183,"intercept":10.6788823263104,"variance":0.310473254630205},"agc027_a":{"slope":-0.000906935765526893,"intercept":7.767677945997411,"variance":0.6578119656859607,"difficulty":114,"discrimination":0.004479398673070138,"irt_loglikelihood":-508.9840589260192,"irt_users":1729,"is_experimental":false},"agc027_b":{"slope":-0.0005223812710756225,"intercept":9.283808109432808,"variance":0.28887931221744273,"difficulty":2631,"discrimination":0.004479398673070138,"irt_loglikelihood":-329.9780642437983,"irt_users":1729,"is_experimental":false},"agc027_c":{"slope":-0.0006593875558419892,"intercept":9.417125811767178,"variance":0.32221906251005317,"difficulty":2077,"discrimination":0.004479398673070138,"irt_loglikelihood":-426.99990650527474,"irt_users":1729,"is_experimental":false},"agc027_d":{"slope":-0.0007405344733152542,"intercept":10.336736707952722,"variance":0.16854010641420722,"difficulty":2984,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.45031707399995,"irt_users":1729,"is_experimental":false},"agc027_e":{"difficulty":3634,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.93103140446388,"irt_users":1729,"is_experimental":false,"slope":-0.0004961044878182885,"intercept":9.611539804985375,"variance":0.30904501394577877},"agc027_f":{"difficulty":3544,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.074444987531564,"irt_users":1729,"is_experimental":false,"slope":-0.0007254797576384754,"intercept":10.564702901225907,"variance":0.08942360120790828},"agc028_a":{"slope":-0.0010869337116951017,"intercept":9.088212003878992,"variance":0.4211218941796193,"difficulty":645,"discrimination":0.004479398673070138,"irt_loglikelihood":-657.230147602578,"irt_users":1680,"is_experimental":false},"agc028_b":{"slope":-0.0007469737918228684,"intercept":9.42252839804198,"variance":0.5587569854433971,"difficulty":2172,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.05664011183404,"irt_users":1680,"is_experimental":false},"agc028_c":{"slope":-0.0006475887661142889,"intercept":9.739655045296777,"variance":0.2596138282353525,"difficulty":2463,"discrimination":0.004479398673070138,"irt_loglikelihood":-242.77617770948038,"irt_users":1680,"is_experimental":false},"agc028_d":{"difficulty":3491,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.63026733197469,"irt_users":1680,"is_experimental":false,"slope":-0.0005494067787597864,"intercept":9.674780306382626,"variance":0.08884659795567681},"agc028_e":{"difficulty":4123,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.939115283712382,"irt_users":1680,"is_experimental":false},"agc028_f":{"difficulty":3462,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.65040487230504,"irt_users":1680,"is_experimental":false},"agc028_f2":{"difficulty":3778,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.94696115534225,"irt_users":1680,"is_experimental":false},"agc029_a":{"slope":-0.001189435904161648,"intercept":8.26653929406698,"variance":0.7247359222765429,"difficulty":423,"discrimination":0.004479398673070138,"irt_loglikelihood":-566.289174580249,"irt_users":1920,"is_experimental":false},"agc029_b":{"slope":-0.0009227513886434489,"intercept":9.347157820127045,"variance":0.47160423255729256,"difficulty":1566,"discrimination":0.004479398673070138,"irt_loglikelihood":-735.2333082208651,"irt_users":1920,"is_experimental":false},"agc029_c":{"slope":-0.0007297532325297295,"intercept":9.628991627067498,"variance":0.27718692444144455,"difficulty":2103,"discrimination":0.004479398673070138,"irt_loglikelihood":-337.2252212134857,"irt_users":1920,"is_experimental":false},"agc029_d":{"slope":-0.0006997606852396039,"intercept":9.249917716289028,"variance":0.3051422254865945,"difficulty":2033,"discrimination":0.004479398673070138,"irt_loglikelihood":-482.1780138039573,"irt_users":1920,"is_experimental":false},"agc029_e":{"slope":-0.000031323596322285894,"intercept":8.185490796661048,"variance":0.1853627240591887,"difficulty":3088,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.55755521919971,"irt_users":1920,"is_experimental":false},"agc029_f":{"difficulty":3497,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.626006296407695,"irt_users":1920,"is_experimental":false},"agc030_a":{"slope":-0.000744363018880625,"intercept":7.231158203438415,"variance":0.542444128289147,"difficulty":-197,"discrimination":0.004479398673070138,"irt_loglikelihood":-170.34444653157456,"irt_users":1738,"is_experimental":false},"agc030_b":{"slope":-0.0005577395097757672,"intercept":9.344965010162655,"variance":0.1800409845469741,"difficulty":2342,"discrimination":0.004479398673070138,"irt_loglikelihood":-374.08365323557206,"irt_users":1738,"is_experimental":false},"agc030_c":{"difficulty":3207,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.00713111294667,"irt_users":1738,"is_experimental":false,"slope":-0.00018031563374741857,"intercept":8.330262392251004,"variance":0.12813950292261},"agc030_d":{"slope":-0.0005180848699951064,"intercept":9.167626920340227,"variance":0.20382909620713682,"difficulty":2712,"discrimination":0.004479398673070138,"irt_loglikelihood":-173.5025076517434,"irt_users":1738,"is_experimental":false},"agc030_e":{"difficulty":3753,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.933678391877386,"irt_users":1738,"is_experimental":false},"agc030_f":{"difficulty":3474,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.423615418915844,"irt_users":1738,"is_experimental":false},"agc031_a":{"slope":-0.001113835248190091,"intercept":8.592482057964624,"variance":0.7588944115387753,"difficulty":953,"discrimination":0.004479398673070138,"irt_loglikelihood":-737.606517027828,"irt_users":1761,"is_experimental":false},"agc031_b":{"slope":-0.001001796347362504,"intercept":9.170569700010102,"variance":0.5051108342183694,"difficulty":1315,"discrimination":0.004479398673070138,"irt_loglikelihood":-669.8267233471227,"irt_users":1761,"is_experimental":false},"agc031_c":{"slope":-0.0007186769399873947,"intercept":9.949867549499254,"variance":0.26495112007356425,"difficulty":2217,"discrimination":0.004479398673070138,"irt_loglikelihood":-350.6665741602014,"irt_users":1761,"is_experimental":false},"agc031_d":{"slope":-0.00047838340118420833,"intercept":9.53606272936157,"variance":0.157340892657452,"difficulty":2975,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.67066375393588,"irt_users":1761,"is_experimental":false},"agc031_e":{"difficulty":3689,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.63318081787134,"irt_users":1761,"is_experimental":false,"slope":-0.0006740448614186201,"intercept":10.665247436301453,"variance":0.06173828259786871},"agc031_f":{"difficulty":3887,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.051161314349084,"irt_users":1761,"is_experimental":false},"agc032_a":{"slope":-0.0007868349232453199,"intercept":8.443982807197333,"variance":0.40616958686525867,"difficulty":738,"discrimination":0.004479398673070138,"irt_loglikelihood":-1000.3774043050419,"irt_users":1618,"is_experimental":false},"agc032_b":{"slope":-0.0007051861615421831,"intercept":8.811613331438316,"variance":0.32038622449420523,"difficulty":1259,"discrimination":0.004479398673070138,"irt_loglikelihood":-794.2863274413759,"irt_users":1618,"is_experimental":false},"agc032_c":{"slope":-0.0004614536076292904,"intercept":9.00794853994519,"variance":0.21114265551100017,"difficulty":2284,"discrimination":0.004479398673070138,"irt_loglikelihood":-301.76184964159194,"irt_users":1618,"is_experimental":false},"agc032_d":{"slope":-0.0004934631108898458,"intercept":8.649291144328947,"variance":0.3795715434947158,"difficulty":2602,"discrimination":0.004479398673070138,"irt_loglikelihood":-181.4030134920252,"irt_users":1618,"is_experimental":false},"agc032_e":{"difficulty":3402,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.07983305621501,"irt_users":1618,"is_experimental":false,"slope":-0.00014840739202242172,"intercept":8.111546169924752,"variance":0.13530495252169153},"agc032_f":{"difficulty":3975,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.290388762213091,"irt_users":1618,"is_experimental":false},"agc033_a":{"slope":-0.0011003302181229878,"intercept":8.902565249994126,"variance":0.606309377184569,"difficulty":1159,"discrimination":0.004479398673070138,"irt_loglikelihood":-881.7376818592642,"irt_users":2316,"is_experimental":false},"agc033_b":{"slope":-0.0006218566834676549,"intercept":8.833387923893536,"variance":0.3556263058166495,"difficulty":1384,"discrimination":0.004479398673070138,"irt_loglikelihood":-968.1779129147923,"irt_users":2316,"is_experimental":false},"agc033_c":{"slope":-0.0008123077666439512,"intercept":9.247054035962048,"variance":0.3343278904125455,"difficulty":1758,"discrimination":0.004479398673070138,"irt_loglikelihood":-505.74764801945986,"irt_users":2316,"is_experimental":false},"agc033_d":{"slope":-0.0003418167745163973,"intercept":9.13195535672413,"variance":0.23130397453534482,"difficulty":2958,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.33286363922991,"irt_users":2316,"is_experimental":false},"agc033_e":{"difficulty":3103,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.14267769089815,"irt_users":2316,"is_experimental":false,"slope":-0.0003611580963660493,"intercept":9.387235575189173,"variance":0.15545902692619493},"agc033_f":{"difficulty":3591,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.01891509458918,"irt_users":2316,"is_experimental":false,"slope":-0.0003983633283063256,"intercept":9.631832174739124,"variance":0.10124566471439417},"agc034_a":{"slope":-0.0008299042922091143,"intercept":8.811675704507977,"variance":0.34862280234816645,"difficulty":662,"discrimination":0.004479398673070138,"irt_loglikelihood":-1283.7645019814893,"irt_users":2658,"is_experimental":false},"agc034_b":{"slope":-0.0008870224326274275,"intercept":8.693530858750425,"variance":0.547464234020248,"difficulty":1101,"discrimination":0.004479398673070138,"irt_loglikelihood":-980.4284061198209,"irt_users":2658,"is_experimental":false},"agc034_c":{"slope":-0.0006798996101723426,"intercept":9.66746282080502,"variance":0.18134289091292266,"difficulty":2497,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.8360541570153,"irt_users":2658,"is_experimental":false},"agc034_d":{"difficulty":3665,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.36495007283033,"irt_users":2658,"is_experimental":false},"agc034_e":{"slope":-0.0005702376875887755,"intercept":9.534317101246554,"variance":0.21612981881369459,"difficulty":2637,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.38552786490078,"irt_users":2658,"is_experimental":false},"agc034_f":{"difficulty":3634,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.7208955407482,"irt_users":2658,"is_experimental":false,"slope":-0.0001707085264816379,"intercept":8.6522387804459,"variance":0.13179211236314828},"agc035_a":{"slope":-0.0006114476017146446,"intercept":8.431945711244735,"variance":0.8131450432797702,"difficulty":640,"discrimination":0.004479398673070138,"irt_loglikelihood":-1366.3849960197538,"irt_users":2504,"is_experimental":false},"agc035_b":{"slope":-0.0008106599327928068,"intercept":9.503863080658418,"variance":0.4572505549173666,"difficulty":2039,"discrimination":0.004479398673070138,"irt_loglikelihood":-449.93452617431996,"irt_users":2504,"is_experimental":false},"agc035_c":{"slope":-0.0004340517248178449,"intercept":9.136142962872887,"variance":0.24958062595940314,"difficulty":2332,"discrimination":0.004479398673070138,"irt_loglikelihood":-382.91900858256383,"irt_users":2504,"is_experimental":false},"agc035_d":{"slope":-0.00035117364681357837,"intercept":8.812500326000979,"variance":0.20956805332668066,"difficulty":2902,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.80254969941589,"irt_users":2504,"is_experimental":false},"agc035_e":{"difficulty":3720,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.808560761370599,"irt_users":2504,"is_experimental":false,"slope":-0.00042125017969164695,"intercept":9.607847668176085,"variance":0.011295142489162587},"agc035_f":{"difficulty":3720,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.31470200596319,"irt_users":2504,"is_experimental":false},"agc036_a":{"slope":-0.0009050987984859409,"intercept":9.076237079594627,"variance":0.43983672702188265,"difficulty":939,"discrimination":0.004479398673070138,"irt_loglikelihood":-950.3506528591914,"irt_users":1826,"is_experimental":false},"agc036_b":{"slope":-0.0007617268026290504,"intercept":9.78289348654895,"variance":0.23628787564162868,"difficulty":1771,"discrimination":0.004479398673070138,"irt_loglikelihood":-456.0782118110129,"irt_users":1826,"is_experimental":false},"agc036_c":{"slope":-0.0005110260693189538,"intercept":9.268378910326785,"variance":0.20428019432510625,"difficulty":2357,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.72076307678233,"irt_users":1826,"is_experimental":false},"agc036_d":{"difficulty":3326,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.211692191506756,"irt_users":1826,"is_experimental":false,"slope":-0.0010626884029967137,"intercept":11.107939382188366,"variance":0.2650220475113875},"agc036_e":{"difficulty":3783,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.288172152999447,"irt_users":1826,"is_experimental":false,"slope":-0.0004069897842365669,"intercept":9.82359472040203,"variance":0.034064398614216125},"agc036_f":{"difficulty":3783,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.319126927866286,"irt_users":1826,"is_experimental":false,"slope":-0.002121997765297037,"intercept":15.766306284847087,"variance":0.037754272927000336},"agc037_a":{"slope":-0.0006846556599744207,"intercept":8.214458140498826,"variance":0.615932891276154,"difficulty":232,"discrimination":0.004479398673070138,"irt_loglikelihood":-876.1193791575386,"irt_users":2057,"is_experimental":false},"agc037_b":{"slope":-0.0006564299701690534,"intercept":9.256057250229507,"variance":0.3544000597726452,"difficulty":2202,"discrimination":0.004479398673070138,"irt_loglikelihood":-388.4126901751503,"irt_users":2057,"is_experimental":false},"agc037_c":{"slope":-0.0007269456060383975,"intercept":9.526252905474925,"variance":0.3378754805048116,"difficulty":1882,"discrimination":0.004479398673070138,"irt_loglikelihood":-603.31722518323,"irt_users":2057,"is_experimental":false},"agc037_d":{"slope":-0.0008179815555953,"intercept":10.139284416575986,"variance":0.24441386029039563,"difficulty":2689,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.61711788223397,"irt_users":2057,"is_experimental":false},"agc037_e":{"slope":-0.0005402142216221478,"intercept":9.215597258968623,"variance":0.2387362602813997,"difficulty":2667,"discrimination":0.004479398673070138,"irt_loglikelihood":-234.62567483007473,"irt_users":2057,"is_experimental":false},"agc037_f":{"difficulty":3797,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.135303139421275,"irt_users":2057,"is_experimental":false,"slope":-0.0012362367978908109,"intercept":12.495821628629672,"variance":0.0944475181854894},"aising2019_a":{"slope":-0.0009459949006101056,"intercept":6.622820714627453,"variance":0.7035009870121371,"difficulty":-431,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.6032760829806,"irt_users":1801,"is_experimental":false},"aising2019_b":{"slope":-0.0009290191202536305,"intercept":7.022688272503562,"variance":0.41932571545402564,"difficulty":-79,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.48207617731117,"irt_users":1801,"is_experimental":false},"aising2019_c":{"slope":-0.0011248732729427597,"intercept":9.305118468078742,"variance":0.35144441824014283,"difficulty":1264,"discrimination":0.004479398673070138,"irt_loglikelihood":-655.8318940169054,"irt_users":1801,"is_experimental":false},"aising2019_d":{"slope":-0.0006623438239691699,"intercept":9.351961774739312,"variance":0.1526889475601279,"difficulty":1898,"discrimination":0.004479398673070138,"irt_loglikelihood":-357.7414375178593,"irt_users":1801,"is_experimental":false},"aising2019_e":{"slope":-0.0005033242012503407,"intercept":9.095393965858406,"variance":0.2063561219104079,"difficulty":2595,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.28266000232952,"irt_users":1801,"is_experimental":false},"apc001_a":{"slope":-0.0009686652677100647,"intercept":7.805114115191886,"variance":1.3656941103216889,"difficulty":123,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.57847773383477,"irt_users":932,"is_experimental":false},"apc001_b":{"slope":-0.0008559395195169619,"intercept":8.921471324474409,"variance":0.5746284798765392,"difficulty":1049,"discrimination":0.004479398673070138,"irt_loglikelihood":-419.26226871754267,"irt_users":932,"is_experimental":false},"apc001_c":{"slope":-0.0009409154383920777,"intercept":9.47291461147498,"variance":0.4543144537839925,"difficulty":1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-405.97830695385426,"irt_users":932,"is_experimental":false},"apc001_d":{"slope":-0.00090185405838612,"intercept":9.951227091327059,"variance":0.5411450576816906,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.6380233112547,"irt_users":932,"is_experimental":false},"apc001_e":{"slope":-0.0007503452655324536,"intercept":10.122652230800092,"variance":0.2859844601801176,"difficulty":2167,"discrimination":0.004479398673070138,"irt_loglikelihood":-214.65085908661993,"irt_users":932,"is_experimental":false},"apc001_f":{"slope":-0.0003843646538451151,"intercept":9.3557537898615,"variance":0.3788056330162743,"difficulty":2865,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.7575844338392,"irt_users":932,"is_experimental":false},"apc001_g":{"difficulty":3765,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.03091933906275,"irt_users":932,"is_experimental":false},"apc001_h":{"difficulty":3346,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.38831986833342,"irt_users":932,"is_experimental":false,"slope":-0.00023140663768801342,"intercept":9.631459077778858,"variance":0.18331513705962732},"apc001_i":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.764634297807742,"irt_users":932,"is_experimental":false},"apc001_j":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.4339618385051094,"irt_users":932,"is_experimental":false},"arc058_c":{"slope":-0.00048138610402184224,"intercept":8.787777055502705,"variance":0.28866068267539163,"difficulty":2473,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.25652930957278,"irt_users":239,"is_experimental":false},"arc058_d":{"difficulty":3678,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.019000709037288,"irt_users":239,"is_experimental":false},"arc059_c":{"slope":-0.000757310271902329,"intercept":9.237935307173563,"variance":0.29685221247530497,"difficulty":2189,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.5822815592818,"irt_users":265,"is_experimental":false},"arc059_d":{"slope":-0.0005827535768338169,"intercept":8.868451977970535,"variance":0.2836789740430248,"difficulty":2427,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.76902384708994,"irt_users":265,"is_experimental":false},"arc060_b":{"slope":-0.0007583988370103207,"intercept":9.354075190083174,"variance":0.3122345334361288,"difficulty":2261,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.33385510409781,"irt_users":515,"is_experimental":false},"arc060_c":{"slope":-0.0008262681281030973,"intercept":9.379307442972651,"variance":0.3565545670527592,"difficulty":2154,"discrimination":0.004479398673070138,"irt_loglikelihood":-103.17991799152925,"irt_users":291,"is_experimental":false},"arc060_d":{"difficulty":2804,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.2557448977473,"irt_users":291,"is_experimental":false,"slope":-0.00010868237301805399,"intercept":7.7730509366224565,"variance":0.22239578084075656},"arc061_c":{"slope":-0.0008028190036371678,"intercept":9.73318162861475,"variance":0.39080313005102796,"difficulty":2502,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.9740967800371,"irt_users":335,"is_experimental":false},"arc061_d":{"difficulty":3154,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.769321145494875,"irt_users":335,"is_experimental":false,"slope":-0.0010371273698392184,"intercept":10.999085717048429,"variance":0.10186806172896284},"arc062_c":{"difficulty":2655,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.7773786302215,"irt_users":326,"is_experimental":false,"slope":-0.0003171441030515438,"intercept":8.93331342665772,"variance":0.12498299410079143},"arc062_d":{"difficulty":3175,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.50463250198352,"irt_users":326,"is_experimental":false,"slope":-0.0006684566691430041,"intercept":9.916824020000776,"variance":0.0699665954651542},"arc063_c":{"slope":-0.0008630326899308623,"intercept":9.86998912626186,"variance":0.2204067605789329,"difficulty":2198,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.60096457975203,"irt_users":368,"is_experimental":false},"arc064_c":{"slope":-0.0007725885965833635,"intercept":9.1199414645713,"variance":0.24482755754281993,"difficulty":1769,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.6622485439608,"irt_users":374,"is_experimental":false},"arc064_d":{"difficulty":2949,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.63823164105839,"irt_users":374,"is_experimental":false,"slope":-0.0008050326031291232,"intercept":9.969446453525729,"variance":0.23871646004995417},"arc065_c":{"difficulty":2835,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.59778302505137,"irt_users":386,"is_experimental":false,"slope":-0.00041619768725025257,"intercept":8.947749376649469,"variance":0.12966395929451008},"arc065_d":{"slope":-0.00070846407506735,"intercept":9.668297328152235,"variance":0.2768821975518772,"difficulty":2652,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.59073906272681,"irt_users":386,"is_experimental":false},"arc066_b":{"difficulty":2606,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.79229928388982,"irt_users":474,"is_experimental":false,"slope":-0.0005147769482479993,"intercept":9.19539498398975,"variance":0.20580883444147996},"arc066_c":{"difficulty":2709,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.18268696374743,"irt_users":274,"is_experimental":false,"slope":-0.0006365925046812549,"intercept":9.509564027044538,"variance":0.29894711724621814},"arc067_c":{"slope":-0.0008972056117183543,"intercept":9.700869880546675,"variance":0.2345034344601048,"difficulty":2190,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.65171917742478,"irt_users":340,"is_experimental":false},"arc067_d":{"difficulty":2729,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.16884948951594,"irt_users":340,"is_experimental":false},"arc068_c":{"slope":-0.0005893908593130971,"intercept":9.05811765558162,"variance":0.3746972055086437,"difficulty":2307,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.6059439112692,"irt_users":382,"is_experimental":false},"arc068_d":{"difficulty":3042,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.835534183940016,"irt_users":382,"is_experimental":false,"slope":-0.0004949506524756438,"intercept":9.197646303957415,"variance":0.12590655152003266},"arc069_c":{"slope":-0.0005855089485685693,"intercept":8.797939761331849,"variance":0.25621318398831044,"difficulty":1835,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.0243082940921,"irt_users":490,"is_experimental":false},"arc069_d":{"difficulty":3200,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.411634586602194,"irt_users":490,"is_experimental":false},"arc070_c":{"difficulty":3365,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.612374819417468,"irt_users":465,"is_experimental":false},"arc070_d":{"difficulty":3365,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.90868779613344,"irt_users":465,"is_experimental":false},"arc071_c":{"slope":-0.0008911566997693395,"intercept":9.144640559309478,"variance":0.27742387096680277,"difficulty":1739,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.06972810640085,"irt_users":473,"is_experimental":false},"arc071_d":{"slope":-0.00046026194220844175,"intercept":8.787460103634254,"variance":0.1618137044661129,"difficulty":2336,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.13287265701484,"irt_users":473,"is_experimental":false},"arc072_c":{"slope":-0.00033009575180899183,"intercept":8.766655264348751,"variance":0.138162632082909,"difficulty":2655,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.85798474761859,"irt_users":461,"is_experimental":false},"arc072_d":{"difficulty":3414,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.548984612323412,"irt_users":461,"is_experimental":false,"slope":-0.00005020760952886017,"intercept":8.192180256973407,"variance":0.027796614223588516},"arc073_c":{"slope":-0.0005971389368506607,"intercept":9.284128137468578,"variance":0.2353047577077303,"difficulty":2434,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.5856861956889,"irt_users":459,"is_experimental":false},"arc073_d":{"difficulty":2867,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.98983858318869,"irt_users":459,"is_experimental":false,"slope":-0.00045803124457792185,"intercept":9.059917586676773,"variance":0.15014696752535375},"arc074_c":{"slope":-0.0004209008964924143,"intercept":8.416647445724585,"variance":0.22876354701948015,"difficulty":2519,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.19630627612942,"irt_users":428,"is_experimental":false},"arc074_d":{"slope":-0.0008763968764853569,"intercept":9.485010066705248,"variance":0.3051011694848121,"difficulty":2208,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.87581077365266,"irt_users":428,"is_experimental":false},"arc075_c":{"slope":-0.0008114787208640007,"intercept":9.003099015794472,"variance":0.43298036210624397,"difficulty":1979,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.6429508839058,"irt_users":600,"is_experimental":false},"arc075_d":{"slope":-0.00037626529794914813,"intercept":8.985140764981024,"variance":0.23877980832189868,"difficulty":2549,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.86764738507748,"irt_users":600,"is_experimental":false},"arc076_c":{"slope":-0.000801234003589011,"intercept":9.480441678439469,"variance":0.22323051406265854,"difficulty":2180,"discrimination":0.004479398673070138,"irt_loglikelihood":-229.13535509273942,"irt_users":637,"is_experimental":false},"arc076_d":{"difficulty":2819,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.32477211298682,"irt_users":637,"is_experimental":false,"slope":-0.0005183042575162806,"intercept":9.293551504837254,"variance":0.1951972237083469},"arc077_c":{"slope":-0.0007051222635736714,"intercept":9.315667801768017,"variance":0.1695744613666291,"difficulty":2117,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.36949115413572,"irt_users":708,"is_experimental":false},"arc077_d":{"difficulty":3370,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.970766134083526,"irt_users":708,"is_experimental":false,"slope":-0.00025083284093506723,"intercept":8.986595064020278,"variance":0.07907879174861619},"arc078_c":{"slope":-0.0004832253402313937,"intercept":9.179862704997783,"variance":0.1575076041328475,"difficulty":2300,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.3250690353828,"irt_users":744,"is_experimental":false},"arc078_d":{"difficulty":2972,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.06733713963251,"irt_users":744,"is_experimental":false,"slope":-0.00012345368437386575,"intercept":8.179950033118832,"variance":0.17261377761675442},"arc079_c":{"slope":-0.00026807093293335516,"intercept":7.8541574300724655,"variance":0.4281655645211182,"difficulty":1745,"discrimination":0.004479398673070138,"irt_loglikelihood":-452.57765813973646,"irt_users":750,"is_experimental":false},"arc079_d":{"slope":-0.00035475052524503586,"intercept":8.757990029274412,"variance":0.13383321862046027,"difficulty":2636,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.2134053902969,"irt_users":750,"is_experimental":false},"arc080_c":{"slope":-0.0004866230471015468,"intercept":9.144824082753077,"variance":0.12797162179896254,"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-198.81134491739914,"irt_users":735,"is_experimental":false},"arc080_d":{"difficulty":3078,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.733125526295446,"irt_users":735,"is_experimental":false,"slope":-0.0004524902261634816,"intercept":9.063413650165419,"variance":0.1968877642212442},"arc081_c":{"slope":-0.00047939066304687354,"intercept":8.696440109593143,"variance":0.29279037753581233,"difficulty":2072,"discrimination":0.004479398673070138,"irt_loglikelihood":-297.0789144124429,"irt_users":828,"is_experimental":false},"arc081_d":{"slope":-0.00021891359982806387,"intercept":8.214887478182863,"variance":0.18391645081493035,"difficulty":2608,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.73208161123719,"irt_users":828,"is_experimental":false},"arc082_c":{"slope":-0.0006146486589355117,"intercept":9.282519152496889,"variance":0.2891620715734319,"difficulty":2729,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.08711046565202,"irt_users":888,"is_experimental":false},"arc082_d":{"slope":-0.00058247811500458,"intercept":9.398225114899896,"variance":0.1986971116078286,"difficulty":2429,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.96460570915838,"irt_users":888,"is_experimental":false},"arc083_c":{"slope":-0.0004943471079617703,"intercept":8.870415389259534,"variance":0.222639221078257,"difficulty":2289,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.81992404133504,"irt_users":661,"is_experimental":false},"arc083_d":{"difficulty":3541,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.545926440011602,"irt_users":661,"is_experimental":false,"slope":-0.0003503499533096073,"intercept":9.525430526384156,"variance":0.00585032978292076},"arc084_b":{"slope":-0.0007485754739799265,"intercept":9.368879484756862,"variance":0.8280694222602424,"difficulty":2457,"discrimination":0.004479398673070138,"irt_loglikelihood":-164.9804768201621,"irt_users":1167,"is_experimental":false},"arc084_c":{"slope":-0.0003557790707785363,"intercept":9.05962299288413,"variance":0.1579213835901492,"difficulty":2703,"discrimination":0.004479398673070138,"irt_loglikelihood":-103.3923569354904,"irt_users":573,"is_experimental":false},"arc084_d":{"difficulty":3397,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.15822168226293,"irt_users":573,"is_experimental":false,"slope":-0.0009462018118693226,"intercept":11.199331438768231,"variance":0.06449185847688646},"arc085_c":{"slope":-0.0005480138057932343,"intercept":9.131490808531769,"variance":0.3356203511012249,"difficulty":2571,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.02760365888821,"irt_users":572,"is_experimental":false},"arc085_d":{"difficulty":3049,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.4236936631454,"irt_users":572,"is_experimental":false,"slope":-0.00078420200300058,"intercept":10.171788787737952,"variance":0.11394981544324899},"arc086_c":{"difficulty":2815,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.01479742858265,"irt_users":675,"is_experimental":false,"slope":-0.00021364490511854397,"intercept":8.666246752251915,"variance":0.09944908400064545},"arc087_c":{"slope":-0.00033408890885653784,"intercept":8.691510815308893,"variance":0.1950500483705083,"difficulty":2431,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.6540450939599,"irt_users":553,"is_experimental":false},"arc087_d":{"difficulty":3252,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.89888247032717,"irt_users":553,"is_experimental":false,"slope":-0.001243079097657597,"intercept":11.618764673049522,"variance":0.01075898611464147},"arc088_c":{"slope":-0.00038456873630610204,"intercept":8.683997812664442,"variance":0.2721191843367709,"difficulty":2231,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.87320716062558,"irt_users":647,"is_experimental":false},"arc088_d":{"difficulty":2983,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.44072589558905,"irt_users":647,"is_experimental":false,"slope":-0.0005505255923900901,"intercept":9.465248748344463,"variance":0.08533480398931889},"arc089_c":{"difficulty":2815,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.43157103380825,"irt_users":808,"is_experimental":false,"slope":-0.00012609615669753965,"intercept":8.315735077846114,"variance":0.15755630623760525},"arc090_c":{"slope":-0.0005670062704778936,"intercept":9.321972304964813,"variance":0.2233740820693166,"difficulty":2319,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.0470126055681,"irt_users":892,"is_experimental":false},"arc090_d":{"slope":-0.0005211112599433756,"intercept":9.39996394875525,"variance":0.20632787862806015,"difficulty":2891,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.1387457590931,"irt_users":892,"is_experimental":false},"arc091_c":{"slope":-0.0006331949564267695,"intercept":9.001545787599996,"variance":0.2700030755052761,"difficulty":1889,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.64615652013833,"irt_users":812,"is_experimental":false},"arc091_d":{"slope":-0.0002924934450537288,"intercept":8.46107638855571,"variance":0.14641745235114045,"difficulty":2395,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.88956847753525,"irt_users":812,"is_experimental":false},"arc092_c":{"slope":-0.0004971080817999799,"intercept":9.281680696936968,"variance":0.19933238251780783,"difficulty":2361,"discrimination":0.004479398673070138,"irt_loglikelihood":-180.87158298432507,"irt_users":710,"is_experimental":false},"arc092_d":{"difficulty":3351,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.74908152356303,"irt_users":710,"is_experimental":false,"slope":-0.00014384445097437927,"intercept":8.346491693793157,"variance":0.08872097288881908},"arc093_c":{"slope":-0.0006192754841207347,"intercept":9.388777354924128,"variance":0.1005109823799629,"difficulty":2551,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.61190436461318,"irt_users":710,"is_experimental":false},"arc093_d":{"difficulty":3201,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.535570997150984,"irt_users":710,"is_experimental":false,"slope":-0.0005409961356692666,"intercept":9.354537395190684,"variance":0.0945036538696722},"arc094_c":{"slope":-0.0006090843903882677,"intercept":8.869797293836458,"variance":0.40096200688867956,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.7580124807899,"irt_users":731,"is_experimental":false},"arc094_d":{"difficulty":3132,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.809256676642455,"irt_users":731,"is_experimental":false,"slope":-0.00020797741265973565,"intercept":8.431818194032044,"variance":0.1608235785314205},"arc095_c":{"slope":-0.0004014013287268344,"intercept":9.078508565830692,"variance":0.18119483793627084,"difficulty":2441,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.14519371640665,"irt_users":829,"is_experimental":false},"arc095_d":{"slope":-0.0003877184737262344,"intercept":8.98247488789358,"variance":0.21874404683470813,"difficulty":2626,"discrimination":0.004479398673070138,"irt_loglikelihood":-113.49705992458355,"irt_users":829,"is_experimental":false},"arc096_c":{"difficulty":3163,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.7199105171148,"irt_users":936,"is_experimental":false,"slope":-0.00009371945222312666,"intercept":8.446254401228583,"variance":0.16101811319075646},"arc097_c":{"slope":-0.00060679342519424,"intercept":9.152614561613582,"variance":0.16271216033947777,"difficulty":2247,"discrimination":0.004479398673070138,"irt_loglikelihood":-185.8652551855942,"irt_users":781,"is_experimental":false},"arc097_d":{"difficulty":2948,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.45159028422372,"irt_users":781,"is_experimental":false,"slope":-0.00031356528218778987,"intercept":8.923902024030012,"variance":0.15725828152249244},"arc098_c":{"slope":-0.000900131999085574,"intercept":9.462973874631462,"variance":0.2642853617684259,"difficulty":1951,"discrimination":0.004479398673070138,"irt_loglikelihood":-325.0227213529139,"irt_users":896,"is_experimental":false},"arc098_d":{"difficulty":3189,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.90398377582574,"irt_users":896,"is_experimental":false,"slope":-0.00028215281615972317,"intercept":8.83797015043895,"variance":0.11215208098090786},"arc099_c":{"slope":-0.0006631170666723979,"intercept":9.272032497764467,"variance":0.2337441080894695,"difficulty":2160,"discrimination":0.004479398673070138,"irt_loglikelihood":-256.3340934284381,"irt_users":980,"is_experimental":false},"arc099_d":{"difficulty":3039,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.853952937878134,"irt_users":980,"is_experimental":false,"slope":-0.00018052617170595222,"intercept":8.476145480878529,"variance":0.22445510979723934},"arc100_c":{"slope":-0.0006468876005549606,"intercept":8.808295768012915,"variance":0.2939571270781501,"difficulty":2111,"discrimination":0.004479398673070138,"irt_loglikelihood":-230.59225348949897,"irt_users":818,"is_experimental":false},"arc100_d":{"difficulty":3486,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.160309551091606,"irt_users":818,"is_experimental":false},"arc101_c":{"difficulty":2913,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.2357968028722,"irt_users":797,"is_experimental":false,"slope":-0.0002625856281441047,"intercept":8.404646371294215,"variance":0.24186443718026063},"arc101_d":{"difficulty":2930,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.339978516664935,"irt_users":797,"is_experimental":false,"slope":-0.00028863395058393774,"intercept":8.551755432500913,"variance":0.1666596121519818},"arc102_c":{"slope":-0.0004409394835397784,"intercept":8.874838510192648,"variance":0.20035521086785682,"difficulty":2484,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.02873171059943,"irt_users":735,"is_experimental":false},"arc102_d":{"difficulty":3464,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.671836470320537,"irt_users":735,"is_experimental":false},"arc103_c":{"slope":-0.00045699105072770255,"intercept":8.581054403400277,"variance":0.2520497009937731,"difficulty":1722,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.62684657063465,"irt_users":954,"is_experimental":false},"arc103_d":{"difficulty":2836,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.92812059260952,"irt_users":954,"is_experimental":false,"slope":-0.000029031541363304683,"intercept":7.89472252236092,"variance":0.09489794368895689},"bitflyer2018_qual_a":{"slope":-0.0008025980797939663,"intercept":6.119724030897577},"bitflyer2018_qual_b":{"slope":-0.0006611978764757519,"intercept":6.726666974622634},"bitflyer2018_qual_c":{"slope":-0.0009663357037531246,"intercept":9.482699922590326},"bitflyer2018_qual_d":{"slope":-0.0007833286190344222,"intercept":9.701323782185549},"bitflyer2018_qual_e":{"slope":-0.00045320260462026546,"intercept":9.236299192439745},"caddi2018_a":{"slope":-0.001226422501726391,"intercept":8.915755685785108,"variance":0.558466432874458,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-739.2421043567579,"irt_users":1909,"is_experimental":false},"caddi2018_b":{"slope":-0.0006725130114212487,"intercept":8.180549486105823,"variance":0.6329752502196826,"difficulty":1106,"discrimination":0.004479398673070138,"irt_loglikelihood":-920.9468506286104,"irt_users":1909,"is_experimental":false},"caddi2018_c":{"slope":-0.0004802420831199456,"intercept":9.22307603757871,"variance":0.22541281574650393,"difficulty":2327,"discrimination":0.004479398673070138,"irt_loglikelihood":-199.98376214148817,"irt_users":753,"is_experimental":false},"caddi2018_d":{"slope":-0.00029665044173082637,"intercept":8.861156530620018,"variance":0.12065367717823774,"difficulty":2723,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.19573389315099,"irt_users":753,"is_experimental":false},"caddi2018b_a":{"slope":-0.0015014240526452032,"intercept":6.5569960649016545,"variance":1.0605909725722755,"difficulty":-712,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.45767200243885,"irt_users":1156,"is_experimental":false},"caddi2018b_b":{"slope":-0.0010387371426909691,"intercept":6.553467339168799,"variance":0.32112888481641594,"difficulty":-432,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.78919418689856,"irt_users":1156,"is_experimental":false},"cf16_exhibition_final_a":{"is_experimental":false,"slope":-0.000029539391392873995,"intercept":6.539100817160319,"variance":0.6853237256408332},"cf16_exhibition_final_b":{"is_experimental":false},"cf16_exhibition_final_c":{"is_experimental":false,"slope":-0.0007628528829235248,"intercept":8.787523756992394,"variance":0.3184084233691198},"cf16_exhibition_final_d":{"is_experimental":false,"slope":-0.00034584209124241256,"intercept":8.194646455195592,"variance":0.4978654267958979},"cf16_exhibition_final_e":{"is_experimental":false},"cf16_exhibition_final_f":{"is_experimental":false},"cf16_exhibition_final_g":{"is_experimental":false,"slope":-0.00022954614208690996,"intercept":8.711705709089374,"variance":0.14113767571771063},"cf16_exhibition_final_h":{"is_experimental":false},"cf16_exhibition_final_j":{"is_experimental":false,"slope":-0.000375926954065129,"intercept":9.286047952311975,"variance":0.16578601612038713},"codefestival_2016_final_a":{"slope":-0.0008834592015968528,"intercept":7.617120617100628,"variance":0.751659697064639,"difficulty":-76,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.359700784477464,"irt_users":391,"is_experimental":false},"codefestival_2016_final_b":{"slope":-0.0011242022608043407,"intercept":8.812902480112106,"variance":0.5405649501808127,"difficulty":968,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.95737068828481,"irt_users":391,"is_experimental":false},"codefestival_2016_final_c":{"slope":-0.0012096127819256266,"intercept":9.339076894271045,"variance":0.4890325162379508,"difficulty":1525,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.06341151642394,"irt_users":391,"is_experimental":false},"codefestival_2016_final_d":{"slope":-0.001093129293440436,"intercept":10.09281446499335,"variance":0.3218302286876516,"difficulty":1671,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.72926318043713,"irt_users":391,"is_experimental":false},"codefestival_2016_final_e":{"slope":-0.0006743478080040612,"intercept":9.691436743262994,"variance":0.5100651235899697,"difficulty":2700,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.98677229364121,"irt_users":391,"is_experimental":false},"codefestival_2016_final_f":{"slope":-0.0006611881060856343,"intercept":9.268562268760297,"variance":0.3791739795416037,"difficulty":2539,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.67163697425256,"irt_users":391,"is_experimental":false},"codefestival_2016_final_g":{"difficulty":3072,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.13021986232045,"irt_users":391,"is_experimental":false,"slope":-0.0004338570885340268,"intercept":9.09792270289543,"variance":0.16519357002181487},"codefestival_2016_final_h":{"difficulty":3569,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.38349756320789,"irt_users":391,"is_experimental":false,"slope":-0.00025329235883325186,"intercept":9.109063807169184,"variance":0.18072273875072245},"codefestival_2016_final_i":{"difficulty":3463,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.562767564321376,"irt_users":391,"is_experimental":false},"cf17_final_a":{"slope":-0.000818706794335797,"intercept":8.449132901960489,"variance":0.7673223781779563,"difficulty":439,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.38728946454162,"irt_users":385,"is_experimental":false},"cf17_final_b":{"slope":-0.0009272734129661374,"intercept":8.157740181116873,"variance":0.6223265877938763,"difficulty":812,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.40569438845552,"irt_users":385,"is_experimental":false},"cf17_final_c":{"slope":-0.000908236107041433,"intercept":9.543101239691387,"variance":0.3253618679482385,"difficulty":1390,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.07498409518223,"irt_users":385,"is_experimental":false},"cf17_final_d":{"slope":-0.0006148372483794816,"intercept":9.06230661098963,"variance":0.3200521322219315,"difficulty":2509,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.40428382005732,"irt_users":385,"is_experimental":false},"cf17_final_e":{"slope":-0.0004058964956037437,"intercept":9.197052400490271,"variance":0.24942931741107632,"difficulty":2817,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.49493600745171,"irt_users":385,"is_experimental":false},"cf17_final_f":{"slope":-0.0006085752558437896,"intercept":9.789982378597765,"variance":0.349331203405897,"difficulty":2641,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.5743239326937,"irt_users":385,"is_experimental":false},"cf17_final_g":{"difficulty":2931,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.160855903540934,"irt_users":385,"is_experimental":false,"slope":-0.0005631250789594377,"intercept":9.59326569085715,"variance":0.23017193993574428},"cf17_final_h":{"difficulty":3988,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.453505293658386,"irt_users":385,"is_experimental":false},"cf17_final_i":{"difficulty":3988,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.293799988920416,"irt_users":385,"is_experimental":false},"cf17_final_j":{"difficulty":3822,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.047233244406943,"irt_users":385,"is_experimental":false},"codefestival_2016_qualA_a":{"slope":-0.0007898940329722881,"intercept":6.5471702882332385,"variance":1.096200629043737,"difficulty":-135,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.43036308424922,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_b":{"slope":-0.0010278250787320606,"intercept":7.45319734623354,"variance":0.5097886690465261,"difficulty":464,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.64757972125811,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_c":{"slope":-0.0009949756435287255,"intercept":8.761850040341711,"variance":0.5882221561137301,"difficulty":1077,"discrimination":0.004479398673070138,"irt_loglikelihood":-255.1179391903295,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_d":{"slope":-0.0005366678043496368,"intercept":9.41854916764254,"variance":0.3205552736108063,"difficulty":2684,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.81854982496809,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_e":{"slope":-0.00021373705531524872,"intercept":8.559199376418102,"variance":0.3199372884142476,"difficulty":2723,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.3434099940024,"irt_users":733,"is_experimental":false},"codefestival_2016_qualB_a":{"slope":-0.0008457111130464753,"intercept":6.709308113890951,"variance":0.9539045385950563,"difficulty":-103,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.61626026882082,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_b":{"slope":-0.000833888950462895,"intercept":7.680213183359367,"variance":0.3396346933640197,"difficulty":309,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.27366608610606,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_c":{"slope":-0.0011617995944503041,"intercept":9.836589126206242,"variance":0.2840932691291338,"difficulty":1688,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.58159091737272,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_d":{"slope":-0.0008354866218789766,"intercept":9.263419544639355,"variance":0.32215679858440177,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-285.7020868656179,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_e":{"slope":-0.0005551849833454667,"intercept":9.501499126288731,"variance":0.09117590088468845,"difficulty":2576,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.62915702939524,"irt_users":630,"is_experimental":false},"codefestival_2016_qualC_a":{"slope":-0.0010983309866842198,"intercept":7.572796396122804,"variance":0.8363838335715968,"difficulty":105,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.635679554949,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_b":{"slope":-0.001009328741471004,"intercept":8.387004407910974,"variance":0.4661235395057625,"difficulty":1012,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.2449485322516,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_c":{"slope":-0.00096358779008861,"intercept":9.258637382972909,"variance":0.3507740233490624,"difficulty":1404,"discrimination":0.004479398673070138,"irt_loglikelihood":-335.7434644728829,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_d":{"slope":-0.0006750544163915285,"intercept":9.341577554505937,"variance":0.24043463514777008,"difficulty":2283,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.13198169712982,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_e":{"difficulty":2885,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.050987914319485,"irt_users":825,"is_experimental":false},"code_festival_2017_quala_a":{"slope":-0.0006929734791701859,"intercept":6.545785725058025,"variance":1.0556128563021978,"difficulty":-158,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.3511599736223,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_b":{"slope":-0.0010676891828151531,"intercept":8.506201332030702,"variance":0.4922470044356184,"difficulty":863,"discrimination":0.004479398673070138,"irt_loglikelihood":-623.0646441170253,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_c":{"slope":-0.0008101707116500628,"intercept":8.803717065251332,"variance":0.34513620271525636,"difficulty":1203,"discrimination":0.004479398673070138,"irt_loglikelihood":-604.1346403363054,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_d":{"slope":-0.0006662428212483424,"intercept":9.43749996697734,"variance":0.5117257805538187,"difficulty":2445,"discrimination":0.004479398673070138,"irt_loglikelihood":-300.39223927604695,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_e":{"difficulty":3415,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.03062325065159,"irt_users":1432,"is_experimental":false,"slope":-0.00024807951894844005,"intercept":8.969258635372041,"variance":0.062713468868768},"code_festival_2017_quala_f":{"slope":-0.0001321237584132831,"intercept":8.381673438992095,"variance":0.2639901408025425,"difficulty":3091,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.97438206006031,"irt_users":1432,"is_experimental":false},"code_festival_2017_qualb_a":{"slope":-0.0007305061240018819,"intercept":6.325262940088644,"variance":0.8602339245112005,"difficulty":-282,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.67974690932753,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_b":{"slope":-0.0009715415950852576,"intercept":7.664827105993468,"variance":0.5698900402273319,"difficulty":568,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.42838381275135,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_c":{"slope":-0.0012305615045027094,"intercept":10.097602455080088,"variance":0.33099546974822774,"difficulty":1883,"discrimination":0.004479398673070138,"irt_loglikelihood":-375.48791986497093,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_d":{"slope":-0.000503637341513297,"intercept":9.227229493982161,"variance":0.24580988355415412,"difficulty":2499,"discrimination":0.004479398673070138,"irt_loglikelihood":-289.6771441538105,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_e":{"slope":-0.0001949385091483031,"intercept":8.576271210194793,"variance":0.24356205921511434,"difficulty":2937,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.78682501020486,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_f":{"difficulty":3266,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.88553017267149,"irt_users":1267,"is_experimental":false,"slope":-0.00010605063987830937,"intercept":7.9999240125099735,"variance":0.20970700981185184},"code_festival_2017_qualc_a":{"slope":-0.0007846145733021337,"intercept":6.57221857447899,"variance":0.9162648737067222,"difficulty":-301,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.10236606442714,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_b":{"slope":-0.0009283430902959972,"intercept":7.615282336585037,"variance":0.4393476107114503,"difficulty":424,"discrimination":0.004479398673070138,"irt_loglikelihood":-263.83114111109387,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_c":{"slope":-0.00091863714412136,"intercept":8.508820656082952,"variance":0.53377094648741,"difficulty":975,"discrimination":0.004479398673070138,"irt_loglikelihood":-457.89110292706,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_d":{"slope":-0.0006410455845707416,"intercept":8.895788728593782,"variance":0.6599068190344244,"difficulty":2132,"discrimination":0.004479398673070138,"irt_loglikelihood":-303.9944575329393,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_e":{"difficulty":3750,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.426128255664121,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_f":{"difficulty":3315,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.81409729241288,"irt_users":1209,"is_experimental":false,"slope":-0.00044928440215855845,"intercept":9.827687506938274,"variance":0.06962699250656744},"code_festival_2018_final_a":{"slope":-0.0011870872498007383,"intercept":9.534849860996497},"code_festival_2018_final_b":{"slope":-0.0006263755678455585,"intercept":8.431469993778794},"code_festival_2018_final_c":{"slope":-0.0008181060552593762,"intercept":8.764422094798089},"code_festival_2018_final_d":{"slope":-0.00048246451182863996,"intercept":8.966933655247704},"code_festival_2018_final_e":{"slope":-0.0006452477027741838,"intercept":9.002679829307759},"code_festival_2018_final_g":{"slope":-0.0005171638753431,"intercept":9.004289793419964},"code_festival_2018_quala_a":{"slope":-0.0007631048471201023,"intercept":6.439059491669251},"code_festival_2018_quala_b":{"slope":-0.0008271743965897098,"intercept":7.103421027232519},"code_festival_2018_quala_c":{"slope":-0.0011386799856186185,"intercept":9.89891219940849},"code_festival_2018_quala_d":{"slope":-0.0007861520429406618,"intercept":9.718613166110469},"code_festival_2018_qualb_a":{"slope":-0.0007263565342449063,"intercept":6.1770421000732085},"code_festival_2018_qualb_b":{"slope":-0.000853881519156287,"intercept":6.984341850054327},"code_festival_2018_qualb_c":{"slope":-0.0008100078407296218,"intercept":9.02900623394932},"code_festival_2018_qualb_e":{"slope":-0.0006576003002985174,"intercept":9.763945847079992},"code_thanks_festival_2018_a":{"slope":-0.0007069616700948414,"intercept":6.946015563244069},"code_thanks_festival_2018_b":{"slope":-0.0005738444494151289,"intercept":7.5850098480069},"code_thanks_festival_2018_c":{"slope":-0.0010583551852365262,"intercept":8.217689486242529},"code_thanks_festival_2018_d":{"slope":-0.0008178752391563433,"intercept":7.362888893485522},"code_thanks_festival_2018_e":{"slope":-0.001159225939718634,"intercept":9.973044702975518},"code_thanks_festival_2018_f":{"slope":-0.0006931970973059632,"intercept":9.68214193960432},"code_thanks_festival_2018_g":{"slope":-0.0003584494547042486,"intercept":9.421942570423454},"colopl2018_final_a":{"slope":-0.0010799667719262158,"intercept":9.155267209357639},"colopl2018_final_b":{"slope":-0.0007251686704794087,"intercept":8.230837246964446},"colopl2018_final_c":{"slope":-0.0007107563651495002,"intercept":9.500790651651371},"colopl2018_final_d":{"slope":-0.00041428681368378266,"intercept":9.091298738482363},"ddcc_2016_final_a":{"slope":-0.0006770251685596075,"intercept":7.302645972415579},"ddcc_2016_final_b":{"slope":-0.0005860625133401072,"intercept":8.846228693307257},"ddcc_2016_final_c":{"slope":-0.000831042705740626,"intercept":9.58378709639717},"ddcc_2016_qual_a":{"slope":-0.0007654542570764876,"intercept":6.621737844641525},"ddcc_2016_qual_b":{"slope":-0.0007169443131439656,"intercept":8.45759737575343},"ddcc_2016_qual_c":{"slope":-0.0008918979009795958,"intercept":9.145105698406182},"ddcc2017_qual_a":{"slope":-0.0006446695676579973,"intercept":5.98074014098882},"ddcc2017_qual_b":{"slope":-0.00045312952094634604,"intercept":5.4055565677531865},"ddcc2017_qual_c":{"slope":-0.0007204620567283356,"intercept":7.795829456186641},"ddcc2017_qual_d":{"slope":-0.00034676622643895486,"intercept":8.748449095123435},"ddcc2019_final_a":{"slope":-0.0005732025920754637,"intercept":7.676545262341043},"ddcc2019_final_b":{"slope":-0.0006797469709095233,"intercept":8.930177455451211},"ddcc2019_final_c":{"slope":-0.00013048954918565107,"intercept":8.543973946776969},"ddcc2019_final_d":{"slope":-0.0008093126573760345,"intercept":9.808154774201032},"ddcc2018_qual_a":{"slope":-0.0006378363723909299,"intercept":5.663092874548002},"ddcc2018_qual_b":{"slope":-0.0005993143945210504,"intercept":7.540152794870643},"ddcc2018_qual_c":{"slope":-0.000999852208497134,"intercept":8.719097351137293},"ddcc2018_qual_d":{"slope":-0.0002753234765841747,"intercept":8.309265193705349},"diverta2019_a":{"slope":-0.0009013463907652253,"intercept":6.269105512612029,"variance":0.8756903071021355,"difficulty":-551,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.85365707549573,"irt_users":3350,"is_experimental":false},"diverta2019_b":{"slope":-0.0012761705530084588,"intercept":8.143501134918393,"variance":0.4942182538218553,"difficulty":538,"discrimination":0.004479398673070138,"irt_loglikelihood":-1127.1241869815624,"irt_users":3350,"is_experimental":false},"diverta2019_c":{"slope":-0.0008007413964253921,"intercept":8.623178770222742,"variance":0.31361304091019127,"difficulty":922,"discrimination":0.004479398673070138,"irt_loglikelihood":-1577.3297972699088,"irt_users":3350,"is_experimental":false},"diverta2019_d":{"slope":-0.0008769807248096009,"intercept":8.622983687419717,"variance":0.43948096430543576,"difficulty":1098,"discrimination":0.004479398673070138,"irt_loglikelihood":-1334.3375631273198,"irt_users":3350,"is_experimental":false},"diverta2019_e":{"slope":-0.00043371258547637083,"intercept":8.914428315287443,"variance":0.19916837359557668,"difficulty":2423,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.76524775569007,"irt_users":3350,"is_experimental":false},"diverta2019_2_a":{"slope":-0.0005692743876336581,"intercept":6.305672769404895,"variance":0.8441416217985389,"difficulty":-642,"discrimination":0.004479398673070138,"irt_loglikelihood":-301.5742728003579,"irt_users":3260,"is_experimental":false},"diverta2019_2_b":{"slope":-0.0010456976533664765,"intercept":8.84933382413701,"variance":0.47666949255853164,"difficulty":1026,"discrimination":0.004479398673070138,"irt_loglikelihood":-1542.0678313924814,"irt_users":3260,"is_experimental":false},"diverta2019_2_c":{"slope":-0.0006440522188943074,"intercept":8.830259850763078,"variance":0.3293916717027269,"difficulty":1226,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.3068705000817,"irt_users":3260,"is_experimental":false},"diverta2019_2_d":{"slope":-0.0004200624977749238,"intercept":8.67238369449293,"variance":0.29409305516345746,"difficulty":1884,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.5193215618601,"irt_users":3260,"is_experimental":false},"diverta2019_2_e":{"slope":-0.0004566451035096602,"intercept":8.7314180262881,"variance":0.1899466273558109,"difficulty":2543,"discrimination":0.004479398673070138,"irt_loglikelihood":-166.21058695938007,"irt_users":3260,"is_experimental":false},"diverta2019_2_f":{"difficulty":3306,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.58995899535396,"irt_users":3260,"is_experimental":false,"slope":-0.0006319092110326777,"intercept":10.18878771813232,"variance":0.05239375908950978},"dp_a":{"slope":-0.0007574324179684416,"intercept":7.935654010483213},"dp_b":{"slope":-0.0007824248286669497,"intercept":6.945176128677425},"dp_c":{"slope":-0.000844066452952733,"intercept":7.412276262834036},"dp_d":{"slope":-0.0008992121470148356,"intercept":7.682690959928005},"dp_e":{"slope":-0.0010298370460509177,"intercept":8.081348398599598},"dp_f":{"slope":-0.0006467940835249381,"intercept":8.121206078089822},"dp_g":{"slope":-0.0007909762982167039,"intercept":7.803943882846977},"dp_h":{"slope":-0.0009762128220435587,"intercept":7.96945254866972},"dp_i":{"slope":-0.0007991007364814317,"intercept":7.797029451265817},"dp_j":{"slope":-0.0004902667982858832,"intercept":8.159598175491302},"dp_k":{"slope":-0.0009304101553350072,"intercept":8.287596213150666},"dp_l":{"slope":-0.000711529772095587,"intercept":7.944751425842546},"dp_m":{"slope":-0.0004936072328261481,"intercept":7.774862470396683},"dp_n":{"slope":-0.0008504229739063758,"intercept":8.287168054633563},"dp_o":{"slope":-0.0007148309052166181,"intercept":8.029744407316798},"dp_p":{"slope":-0.0005518620369239002,"intercept":7.716754851573459},"dp_q":{"slope":-0.0005682309079313101,"intercept":7.653042926469661},"dp_r":{"slope":-0.00036630695096680313,"intercept":7.367116636176571},"dp_s":{"slope":-0.0007505487617246251,"intercept":8.256127799762972},"dp_t":{"slope":-0.0007146321189314429,"intercept":8.704077669466095},"dp_u":{"slope":-0.0007079791979053891,"intercept":8.245757073519098},"dp_v":{"slope":-0.00019143434996663432,"intercept":8.227947205830663},"dp_w":{"slope":-0.0002095784864397411,"intercept":8.021715551529983},"dp_x":{"slope":-0.00004374332452219468,"intercept":7.501643836833227},"dp_y":{"slope":-0.00024500018576838515,"intercept":7.5078152381467484},"dp_z":{"slope":-0.0003412898898025983,"intercept":7.934769538589558},"dwango2017qual_a":{"slope":-0.0007281987827008378,"intercept":6.6663246032443455},"dwango2017qual_b":{"slope":-0.0009481816563727615,"intercept":8.891762177596918},"dwango2017qual_c":{"slope":-0.0008170839608698775,"intercept":8.603971127909869},"dwango2017qual_d":{"slope":-0.0009827859365042506,"intercept":9.342050457486705},"dwacon2018_final_a":{"slope":-0.000970942663374535,"intercept":9.953138807072477},"dwacon2018_final_b":{"slope":-0.0008094640129710762,"intercept":9.752847424798686},"dwacon2018_prelims_a":{"slope":-0.0007493777336927222,"intercept":6.238434350100817},"dwacon2018_prelims_b":{"slope":-0.0009313118661275519,"intercept":8.182137368923692},"dwacon2018_prelims_c":{"slope":-0.0008870059221192785,"intercept":9.786409757225899},"dwacon2018_prelims_d":{"slope":-0.0008534966345051429,"intercept":9.551919834923508},"dwacon2018_prelims_e":{"slope":-0.0005654454684348735,"intercept":9.567731591841312},"dwacon5th_final_a":{"slope":-0.00041345840319474827,"intercept":8.381954175614645},"dwacon5th_prelims_a":{"slope":-0.0009172698489649803,"intercept":7.511390865978748,"variance":0.7721291429250904,"difficulty":-19,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.93211316341362,"irt_users":1362,"is_experimental":false},"dwacon5th_prelims_b":{"slope":-0.0012501968922883316,"intercept":9.638791534997335,"variance":0.47003455392458937,"difficulty":1381,"discrimination":0.004479398673070138,"irt_loglikelihood":-437.08137673259256,"irt_users":1362,"is_experimental":false},"dwacon5th_prelims_c":{"slope":-0.0007610801709948325,"intercept":9.031827726216248,"variance":0.3524785485643215,"difficulty":1747,"discrimination":0.004479398673070138,"irt_loglikelihood":-336.9932005692811,"irt_users":1362,"is_experimental":false},"dwacon5th_prelims_d":{"difficulty":2875,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.119821315968515,"irt_users":1362,"is_experimental":false,"slope":-0.0006868785210071852,"intercept":10.005111485519933,"variance":0.21078601123052437},"dwacon5th_prelims_e":{"difficulty":2978,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.759469803307375,"irt_users":1362,"is_experimental":false},"exawizards2019_a":{"slope":-0.0007912725216963962,"intercept":6.190213039817996,"variance":1.0623145104962712,"difficulty":-807,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.24927578754934,"irt_users":2832,"is_experimental":false},"exawizards2019_b":{"slope":-0.0006783735496896743,"intercept":6.040199603877347,"variance":0.46070292880764957,"difficulty":-539,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.687174206167,"irt_users":2832,"is_experimental":false},"exawizards2019_c":{"slope":-0.0008762289503534955,"intercept":9.425593615222217,"variance":0.3092102753956965,"difficulty":1709,"discrimination":0.004479398673070138,"irt_loglikelihood":-725.059493356591,"irt_users":2832,"is_experimental":false},"exawizards2019_d":{"slope":-0.0006386775865064316,"intercept":9.05092613964041,"variance":0.3922095410691234,"difficulty":2075,"discrimination":0.004479398673070138,"irt_loglikelihood":-333.58250524707546,"irt_users":2832,"is_experimental":false},"exawizards2019_e":{"slope":-0.0006235850479802519,"intercept":9.180836088755136,"variance":0.30406524036628446,"difficulty":2309,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.95863922283533,"irt_users":2832,"is_experimental":false},"exawizards2019_f":{"difficulty":3140,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.979917634211546,"irt_users":2832,"is_experimental":false},"keyence2019_a":{"slope":-0.0009372466413092376,"intercept":6.727415432036619,"variance":0.7068919320888302,"difficulty":-564,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.5375332943137,"irt_users":1871,"is_experimental":false},"keyence2019_b":{"slope":-0.0011489189219717534,"intercept":8.188523286628298,"variance":0.6506155839613751,"difficulty":446,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.1857000531362,"irt_users":1871,"is_experimental":false},"keyence2019_c":{"slope":-0.0009326006034282416,"intercept":8.26151046363932,"variance":0.32921180142949136,"difficulty":701,"discrimination":0.004479398673070138,"irt_loglikelihood":-634.8069134179257,"irt_users":1871,"is_experimental":false},"keyence2019_d":{"slope":-0.0007779277797486746,"intercept":9.287126403545333,"variance":0.21900270530178567,"difficulty":1670,"discrimination":0.004479398673070138,"irt_loglikelihood":-489.09160627946954,"irt_users":1871,"is_experimental":false},"keyence2019_e":{"slope":-0.0002715543349793343,"intercept":8.642693126046803,"variance":0.2743925244579762,"difficulty":2623,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.0250114207805,"irt_users":1871,"is_experimental":false},"keyence2019_f":{"difficulty":2957,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.067947766010434,"irt_users":1871,"is_experimental":false,"slope":-0.00025845797746007785,"intercept":8.698052503677005,"variance":0.22588950013825349},"m_solutions2019_a":{"slope":-0.0007780780405157224,"intercept":5.946460472002412,"variance":0.9472415577970853,"difficulty":-793,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.8296343685593,"irt_users":3104,"is_experimental":false},"m_solutions2019_b":{"slope":-0.0008054992147918691,"intercept":6.47816737527271,"variance":0.42505643070503474,"difficulty":-456,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.2096755115938,"irt_users":3104,"is_experimental":false},"m_solutions2019_c":{"slope":-0.0008416627842026003,"intercept":9.365466986528725,"variance":0.3576578131075054,"difficulty":2038,"discrimination":0.004479398673070138,"irt_loglikelihood":-431.4697228502197,"irt_users":3104,"is_experimental":false},"m_solutions2019_d":{"slope":-0.000965456296135044,"intercept":9.338581149265421,"variance":0.3022063323762387,"difficulty":1267,"discrimination":0.004479398673070138,"irt_loglikelihood":-1102.1386619652915,"irt_users":3104,"is_experimental":false},"m_solutions2019_e":{"slope":-0.0006640986931335108,"intercept":9.051687387626332,"variance":0.3772793725923414,"difficulty":2261,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.3423481773712,"irt_users":3104,"is_experimental":false},"m_solutions2019_f":{"difficulty":2986,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.79859977267205,"irt_users":3104,"is_experimental":false},"mujin_pc_2017_a":{"slope":-0.0007719828796888327,"intercept":9.442076301700649,"variance":0.3696560702774913,"difficulty":1900,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.26239323601555,"irt_users":449,"is_experimental":false},"mujin_pc_2017_b":{"slope":-0.0004988319472284803,"intercept":9.098330788159673,"variance":0.2940666135198235,"difficulty":2177,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.23463503802324,"irt_users":449,"is_experimental":false},"mujin_pc_2017_c":{"difficulty":3096,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.66198132789225,"irt_users":449,"is_experimental":false,"slope":-0.00031174331431540727,"intercept":8.819105365224548,"variance":0.10681857092572061},"mujin_pc_2017_d":{"difficulty":3960,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.580866454022281,"irt_users":449,"is_experimental":false},"mujin_pc_2018_a":{"slope":-0.0007931925883526162,"intercept":6.306308480627123},"mujin_pc_2018_b":{"slope":-0.0007378049948306867,"intercept":6.571009129986547},"mujin_pc_2018_c":{"slope":-0.0010175656747380662,"intercept":9.252242791485282},"mujin_pc_2018_d":{"slope":-0.0008214640162836938,"intercept":8.969960197442708},"mujin_pc_2018_e":{"slope":-0.0006858958131738005,"intercept":9.129892180501475},"mujin_pc_2018_f":{"slope":-0.0009824303015723405,"intercept":10.032732491326103},"nikkei2019_final_a":{"slope":-0.0003465110728028534,"intercept":6.194623606736583},"nikkei2019_final_b":{"slope":-0.0006101820100661903,"intercept":7.1910909793777735},"nikkei2019_final_c":{"slope":-0.0009527412357493208,"intercept":9.026828847321573},"nikkei2019_final_d":{"slope":-0.0011061192820402727,"intercept":9.355924953155409},"nikkei2019_final_e":{"slope":-0.0010448728311173994,"intercept":10.376230730456241},"nikkei2019_final_f":{"slope":-0.00036305032628303283,"intercept":9.656249984308165},"nikkei2019_qual_a":{"slope":-0.0009027347381025256,"intercept":6.839138782470832,"variance":0.5766810052815312,"difficulty":-437,"discrimination":0.004479398673070138,"irt_loglikelihood":-215.3385259031814,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_b":{"slope":-0.0009091804173477239,"intercept":7.060497631137783,"variance":0.3107571793246269,"difficulty":-125,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.8622235793417,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_c":{"slope":-0.0009374197033761943,"intercept":8.579298960027547,"variance":0.5117424519992528,"difficulty":1136,"discrimination":0.004479398673070138,"irt_loglikelihood":-1108.385563720698,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_d":{"slope":-0.0010356811789401432,"intercept":9.387078310359191,"variance":0.41382734364688745,"difficulty":1541,"discrimination":0.004479398673070138,"irt_loglikelihood":-612.8655029629194,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_e":{"slope":-0.00013729846835003524,"intercept":8.35750421857748,"variance":0.16029105712861372,"difficulty":2294,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.31813332161133,"irt_users":2176,"is_experimental":false},"rco_contest_2018_qual_b":{"slope":-0.00007206163043602892,"intercept":8.782444107512783},"soundhound2018_a":{"slope":-0.0006336773614564305,"intercept":5.954956967941391},"soundhound2018_b":{"slope":-0.0006659462652171094,"intercept":6.294774991867459},"soundhound2018_c":{"slope":-0.0005000740587828734,"intercept":8.48167299469353},"soundhound2018_d":{"slope":-0.00035182821639488285,"intercept":8.761596163397131},"soundhound2018_summer_final_a":{"slope":-0.0011172354510045242,"intercept":8.647592686498196},"soundhound2018_summer_final_b":{"slope":-0.0011018868580718706,"intercept":9.493579166172093},"soundhound2018_summer_final_c":{"slope":-0.0006220456045084995,"intercept":9.117502045649895},"soundhound2018_summer_final_d":{"slope":-0.0004160947593460121,"intercept":8.859076325314792},"soundhound2018_summer_final_e":{"slope":-0.0005037729120970435,"intercept":9.101870767530016},"soundhound2018_summer_qual_a":{"slope":-0.0007234834295705574,"intercept":6.0946807882193,"variance":0.908223780051289,"difficulty":-545,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.3788385446271,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_b":{"slope":-0.0008806330863660593,"intercept":6.489016674589319,"variance":0.6368339341984242,"difficulty":-115,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.1146208287407,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_c":{"slope":-0.0011239034125348941,"intercept":9.144017271113198,"variance":0.4624233065276935,"difficulty":1225,"discrimination":0.004479398673070138,"irt_loglikelihood":-876.8370366783379,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_d":{"slope":-0.0009062095994152907,"intercept":9.270543132435279,"variance":0.28669276013549894,"difficulty":1637,"discrimination":0.004479398673070138,"irt_loglikelihood":-468.8722781279095,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_e":{"slope":-0.0005377829881663865,"intercept":9.213415931978622,"variance":0.21726453241583105,"difficulty":2164,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.2047615504441,"irt_users":1721,"is_experimental":false},"tenka1_2016_final_a":{"slope":-0.00016988665692063226,"intercept":6.847946029677769},"tenka1_2016_final_b":{"slope":-0.0009691779817879351,"intercept":8.340188763335766},"tenka1_2016_final_c":{"slope":-0.0004098405166385726,"intercept":8.310031196110161},"tenka1_2016_final_d":{"slope":-0.0005437749560308529,"intercept":8.793549751863646},"tenka1_2016_final_e":{"slope":-0.0006065640423571871,"intercept":9.205449309624148},"tenka1_2016_qualA_a":{"slope":-0.000562520591722729,"intercept":6.191849666923776},"tenka1_2016_qualA_b":{"slope":-0.0007390171426524269,"intercept":8.117239978681784},"tenka1_2016_qualA_c":{"slope":-0.000866740686330258,"intercept":8.569045750959711},"tenka1_2016_qualA_d":{"slope":-0.00021253696589868285,"intercept":8.363079895965546},"tenka1_2016_qualA_e":{"slope":-0.00034330103333441754,"intercept":8.501308172109619},"tenka1_2016_qualB_a":{"slope":-0.0006834377883442759,"intercept":6.617989644798066},"tenka1_2016_qualB_b":{"slope":-0.0006308372002381329,"intercept":8.431745130527455},"tenka1_2016_qualB_c":{"slope":-0.0005893026460589303,"intercept":8.806542184138008},"tenka1_2016_qualB_d":{"slope":-0.0008746238288078523,"intercept":9.47018198003781},"tenka1_2017_c":{"slope":-0.0008455284897465348,"intercept":8.511045371738133,"variance":0.5260590255565659,"difficulty":1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-453.0985355402244,"irt_users":1097,"is_experimental":false},"tenka1_2017_d":{"slope":-0.00099242053654559,"intercept":9.450940274658535,"variance":0.37127655136689697,"difficulty":1789,"discrimination":0.004479398673070138,"irt_loglikelihood":-334.4822183614428,"irt_users":1097,"is_experimental":false},"tenka1_2017_e":{"slope":-0.00048120844370960097,"intercept":9.115490471089077,"variance":0.22449822343238793,"difficulty":2703,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.10093881721353,"irt_users":622,"is_experimental":false},"tenka1_2017_a":{"slope":-0.0007225025914026419,"intercept":6.495230124342483,"variance":1.4873942116658259,"difficulty":-523,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.457438103907155,"irt_users":475,"is_experimental":false},"tenka1_2017_b":{"slope":-0.0009006669512925882,"intercept":7.473448822053747,"variance":0.4447135439180232,"difficulty":188,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.21829756638533,"irt_users":475,"is_experimental":false},"tenka1_2018_c":{"slope":-0.0006883131702624015,"intercept":8.618688576067653,"variance":0.26503729823319044,"difficulty":1095,"discrimination":0.004479398673070138,"irt_loglikelihood":-962.1038188453812,"irt_users":1908,"is_experimental":false},"tenka1_2018_d":{"slope":-0.000792587021119218,"intercept":8.943584722150437,"variance":0.2876038033885881,"difficulty":1351,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.4344454959696,"irt_users":1908,"is_experimental":false},"tenka1_2018_e":{"slope":-0.00007535094932284434,"intercept":8.087968616627284,"variance":0.1585000783355377,"difficulty":2459,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.05251525570077,"irt_users":764,"is_experimental":false},"tenka1_2018_f":{"difficulty":3493,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.926958941610703,"irt_users":764,"is_experimental":false,"slope":-0.00011130843909602443,"intercept":8.432202785447927,"variance":0.0647439587987454},"tenka1_2018_a":{"slope":-0.00109017627352641,"intercept":6.4832007522332225,"variance":1.1526194321111753,"difficulty":-562,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.8292294828165,"irt_users":1144,"is_experimental":false},"tenka1_2018_b":{"slope":-0.0010196579046639598,"intercept":7.018878504362933,"variance":0.3115423205652726,"difficulty":-239,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.0783917150927,"irt_users":1144,"is_experimental":false},"tenka1_2019_c":{"slope":-0.001095226406812548,"intercept":8.839483082318452,"variance":0.6065099317535181,"difficulty":944,"discrimination":0.004479398673070138,"irt_loglikelihood":-1567.760868374128,"irt_users":3959,"is_experimental":false},"tenka1_2019_d":{"slope":-0.0007822818635103687,"intercept":9.424109255053335,"variance":0.34250504582146374,"difficulty":2237,"discrimination":0.004479398673070138,"irt_loglikelihood":-300.2307494372046,"irt_users":3959,"is_experimental":false},"tenka1_2019_e":{"slope":-0.0003949231900981704,"intercept":9.070807410753822,"variance":0.18191371497128847,"difficulty":2746,"discrimination":0.004479398673070138,"irt_loglikelihood":-161.69766921901297,"irt_users":1292,"is_experimental":false},"tenka1_2019_f":{"difficulty":2891,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.03508382069195,"irt_users":1292,"is_experimental":false,"slope":-0.00029429060614565483,"intercept":8.751137897334988,"variance":0.1847836441227184},"tenka1_2019_a":{"slope":-0.0010322379603909697,"intercept":6.847774870983913,"variance":0.7334281412283571,"difficulty":-746,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.29512497001016,"irt_users":2667,"is_experimental":false},"tenka1_2019_b":{"slope":-0.0011727327654354033,"intercept":6.8376720813002505,"variance":0.4976668981750377,"difficulty":-500,"discrimination":0.004479398673070138,"irt_loglikelihood":-340.2790833453091,"irt_users":2667,"is_experimental":false},"yahoo_procon2018_qual_a":{"slope":-0.0006832323715604416,"intercept":6.587140229847373},"yahoo_procon2018_qual_b":{"slope":-0.0007162564109956732,"intercept":6.938127667759088},"yahoo_procon2018_qual_c":{"slope":-0.0008864361857319616,"intercept":9.835821025645554},"yahoo_procon2018_qual_d":{"slope":-0.0008951926052639217,"intercept":10.453119262002184},"yahoo_procon2018_qual_e":{"slope":-0.00031545402839200246,"intercept":8.929493659252579},"yahoo_procon2019_qual_a":{"slope":-0.0010696391643417122,"intercept":7.06384951628736,"variance":0.7080754411343326,"difficulty":-278,"discrimination":0.004479398673070138,"irt_loglikelihood":-313.86696248570337,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_b":{"slope":-0.0009346244660761396,"intercept":7.352326866271441,"variance":0.3904507351663805,"difficulty":-122,"discrimination":0.004479398673070138,"irt_loglikelihood":-430.31738463318123,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_c":{"slope":-0.0009333554479217675,"intercept":8.233012111877041,"variance":0.38346999163742557,"difficulty":547,"discrimination":0.004479398673070138,"irt_loglikelihood":-936.7073400195203,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_d":{"slope":-0.0007770045590276967,"intercept":9.487021354868538,"variance":0.26003523800387174,"difficulty":1998,"discrimination":0.004479398673070138,"irt_loglikelihood":-480.89014366399556,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_e":{"slope":-0.00044573870864762544,"intercept":8.778584847622328,"variance":0.29748194844413356,"difficulty":2585,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.09353812545234,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_f":{"slope":-0.0006716016783858475,"intercept":9.187480433910896,"variance":0.3382940482406155,"difficulty":2253,"discrimination":0.004479398673070138,"irt_loglikelihood":-306.92354966767584,"irt_users":2575,"is_experimental":false},"jsc2019_qual_a":{"slope":-0.0009027698417112669,"intercept":7.242738602703035,"variance":0.4110453778427509,"difficulty":-455,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.0877753138813,"irt_users":3233,"is_experimental":false},"jsc2019_qual_b":{"slope":-0.0011585184559182585,"intercept":8.764600751015683,"variance":0.3724380346261622,"difficulty":801,"discrimination":0.004479398673070138,"irt_loglikelihood":-1295.6446081308936,"irt_users":3233,"is_experimental":false},"jsc2019_qual_c":{"slope":-0.0008545815365101892,"intercept":9.108148393082791,"variance":0.25139397687148485,"difficulty":1790,"discrimination":0.004479398673070138,"irt_loglikelihood":-747.8121556432791,"irt_users":3233,"is_experimental":false},"jsc2019_qual_d":{"slope":-0.0010177235533051173,"intercept":9.4010322956673,"variance":0.38181343637747334,"difficulty":1924,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.3298958995017,"irt_users":3233,"is_experimental":false},"jsc2019_qual_e":{"slope":-0.0001464562587856532,"intercept":7.892553934423884,"variance":0.19785853360976152,"difficulty":2691,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.03790592593973,"irt_users":3233,"is_experimental":false},"jsc2019_qual_f":{"difficulty":3353,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.704596644340356,"irt_users":3233,"is_experimental":false,"slope":-0.000039010996041731496,"intercept":8.006771742455753,"variance":0.0588336172898231},"abc139_a":{"slope":-0.0007690259564459256,"intercept":6.1935258648791915,"variance":0.632162590582143,"difficulty":-789,"discrimination":0.004479398673070138,"irt_loglikelihood":-357.8338304789377,"irt_users":4889,"is_experimental":false},"abc139_b":{"slope":-0.0008772609306646886,"intercept":7.075369790982867,"variance":0.69832083826112,"difficulty":-71,"discrimination":0.004479398673070138,"irt_loglikelihood":-1555.6926012405845,"irt_users":4889,"is_experimental":false},"abc139_c":{"slope":-0.0010636251717833988,"intercept":7.37618972164543,"variance":0.43832372090948585,"difficulty":13,"discrimination":0.004479398673070138,"irt_loglikelihood":-1381.9976421998313,"irt_users":4994,"is_experimental":false},"abc139_d":{"slope":-0.0011110470306374028,"intercept":7.417241844459141,"variance":0.5698353017863766,"difficulty":354,"discrimination":0.004479398673070138,"irt_loglikelihood":-1910.1612758751571,"irt_users":4994,"is_experimental":false},"abc139_e":{"slope":-0.0005424370694231668,"intercept":8.64090978476243,"variance":0.28907772136596244,"difficulty":1528,"discrimination":0.004479398673070138,"irt_loglikelihood":-1181.8923691563414,"irt_users":4994,"is_experimental":false},"abc139_f":{"slope":-0.0006024242647122516,"intercept":8.689425667663823,"variance":0.5156441976490649,"difficulty":2034,"discrimination":0.004479398673070138,"irt_loglikelihood":-506.1841982648399,"irt_users":4994,"is_experimental":false},"abc140_a":{"slope":-0.000988613404546041,"intercept":5.8529161442246105,"variance":1.0953736973834107,"difficulty":-958,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.8641294832273,"irt_users":4736,"is_experimental":false},"abc140_b":{"slope":-0.0009966426379834105,"intercept":7.250732574473477,"variance":0.24394445898871822,"difficulty":-249,"discrimination":0.004479398673070138,"irt_loglikelihood":-894.2837192743578,"irt_users":4736,"is_experimental":false},"abc140_c":{"slope":-0.0010034067479367838,"intercept":7.416301305701168,"variance":0.3598837119867488,"difficulty":39,"discrimination":0.004479398673070138,"irt_loglikelihood":-1413.2420462687594,"irt_users":4847,"is_experimental":false},"abc140_d":{"slope":-0.0007382895823483714,"intercept":8.29521983818568,"variance":0.4533020802079,"difficulty":1074,"discrimination":0.004479398673070138,"irt_loglikelihood":-2101.601122368349,"irt_users":4847,"is_experimental":false},"abc140_e":{"slope":-0.0008507638421901508,"intercept":9.213965838206779,"variance":0.2626566460478197,"difficulty":1873,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.83714132452997,"irt_users":4847,"is_experimental":false},"abc140_f":{"slope":-0.0006834682059603946,"intercept":8.946847602163428,"variance":0.3336196766774983,"difficulty":2105,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.8779668980359,"irt_users":4847,"is_experimental":false},"abc141_a":{"slope":-0.0007446620659235544,"intercept":6.011061072444279,"variance":0.7279849465995912,"difficulty":-891,"discrimination":0.004479398673070138,"irt_loglikelihood":-265.7745290268843,"irt_users":4549,"is_experimental":false},"abc141_b":{"slope":-0.0009799622734252597,"intercept":6.720803303086661,"variance":0.32248182539819414,"difficulty":-424,"discrimination":0.004479398673070138,"irt_loglikelihood":-645.2129719143629,"irt_users":4549,"is_experimental":false},"abc141_c":{"slope":-0.0010865393394053158,"intercept":7.458714958986442,"variance":0.3029866980283437,"difficulty":-35,"discrimination":0.004479398673070138,"irt_loglikelihood":-1202.0397139394304,"irt_users":4649,"is_experimental":false},"abc141_d":{"slope":-0.0012107346232861859,"intercept":8.004431108032708,"variance":0.5074477046000645,"difficulty":823,"discrimination":0.004479398673070138,"irt_loglikelihood":-1858.1091143048836,"irt_users":4649,"is_experimental":false},"abc141_e":{"slope":-0.0005255298923520557,"intercept":8.299674820859384,"variance":0.5860521502720054,"difficulty":1459,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.6342077607144,"irt_users":4649,"is_experimental":false},"abc141_f":{"slope":-0.00012257733296312017,"intercept":8.081722325303087,"variance":0.320714758902101,"difficulty":2342,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.22065659994212,"irt_users":4649,"is_experimental":false},"code_festival_2018_final_f":{"slope":-0.00004384100313779359,"intercept":8.351851929770675},"code_thanks_festival_2018_h":{"slope":-0.0015076989192569763,"intercept":11.41280592387488},"colopl2018_final_e":{"slope":-0.00042527772666648697,"intercept":9.159606668312007},"agc038_a":{"slope":-0.0007378248202479313,"intercept":8.374706330397936,"variance":0.5520655533379191,"difficulty":989,"discrimination":0.004479398673070138,"irt_loglikelihood":-1170.540394340297,"irt_users":1883,"is_experimental":false},"agc038_b":{"slope":-0.0005779346466826945,"intercept":8.973342958287255,"variance":0.30398255853254386,"difficulty":1615,"discrimination":0.004479398673070138,"irt_loglikelihood":-640.302677163897,"irt_users":1883,"is_experimental":false},"agc038_c":{"slope":-0.0004019780162817349,"intercept":8.436651628924313,"variance":0.4157798000267879,"difficulty":2327,"discrimination":0.004479398673070138,"irt_loglikelihood":-320.82628918958545,"irt_users":1883,"is_experimental":false},"agc038_d":{"slope":-0.0003978744622823882,"intercept":8.754935242013763,"variance":0.13611384975139357,"difficulty":2682,"discrimination":0.004479398673070138,"irt_loglikelihood":-227.3402632586738,"irt_users":1883,"is_experimental":false},"agc038_e":{"difficulty":3831,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.644878600820526,"irt_users":1883,"is_experimental":false},"agc038_f":{"difficulty":3283,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.17966679250527,"irt_users":1883,"is_experimental":false,"slope":-0.0002652353135532044,"intercept":8.689495476570062,"variance":0.23726234807823135},"abc142_a":{"slope":-0.0009837819233246344,"intercept":6.588887676309887,"variance":0.6029085695105355,"difficulty":-658,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.0850850671718,"irt_users":4572,"is_experimental":false},"abc142_b":{"slope":-0.0008881023169265485,"intercept":5.91526698545597,"variance":0.37420641001220717,"difficulty":-592,"discrimination":0.004479398673070138,"irt_loglikelihood":-481.4449735264484,"irt_users":4572,"is_experimental":false},"abc142_c":{"slope":-0.0012180340936849292,"intercept":7.109998290008365,"variance":0.4320299327366581,"difficulty":-90,"discrimination":0.004479398673070138,"irt_loglikelihood":-1180.9275935993157,"irt_users":4669,"is_experimental":false},"abc142_d":{"slope":-0.0011565242718760344,"intercept":8.528515447317355,"variance":0.6487912381320988,"difficulty":827,"discrimination":0.004479398673070138,"irt_loglikelihood":-2108.3147756183234,"irt_users":4669,"is_experimental":false},"abc142_e":{"slope":-0.001149688969239184,"intercept":8.980874425704043,"variance":0.42824388409817765,"difficulty":1397,"discrimination":0.004479398673070138,"irt_loglikelihood":-988.8726260083756,"irt_users":4669,"is_experimental":false},"abc142_f":{"slope":-0.0001036688688127276,"intercept":8.06403519050632,"variance":0.20892573108541238,"difficulty":1919,"discrimination":0.004479398673070138,"irt_loglikelihood":-496.7577893992849,"irt_users":4669,"is_experimental":false},"agc039_a":{"slope":-0.0008933094718668347,"intercept":9.081247451555106,"variance":0.377185530990819,"difficulty":517,"discrimination":0.004479398673070138,"irt_loglikelihood":-1532.3450926729042,"irt_users":2807,"is_experimental":false},"agc039_b":{"slope":-0.0008454479276615105,"intercept":9.158783786117452,"variance":0.3458993565611324,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-896.8478258124876,"irt_users":2807,"is_experimental":false},"agc039_c":{"slope":-0.0005518647683954157,"intercept":9.605478371986086,"variance":0.18560732673354022,"difficulty":2379,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.3439498206351,"irt_users":2807,"is_experimental":false},"agc039_d":{"difficulty":3118,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.88796635069795,"irt_users":2807,"is_experimental":false,"slope":-0.0005999213445911368,"intercept":9.569896781943937,"variance":0.44885740367777155},"agc039_e":{"difficulty":3430,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.67580107590482,"irt_users":2807,"is_experimental":false,"slope":-0.00034589249418284605,"intercept":9.368303882566266,"variance":0.13990753614141554},"agc039_f":{"difficulty":4060,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.575724163461704,"irt_users":2807,"is_experimental":false},"arc063_d":{"difficulty":3688,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.691068365249769,"irt_users":368,"is_experimental":false},"arc089_d":{"difficulty":3782,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.51294862318344,"irt_users":808,"is_experimental":false},"arc096_d":{"difficulty":3896,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.184240926098089,"irt_users":936,"is_experimental":false},"diverta2019_f":{"difficulty":3595,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.01694272368224,"irt_users":3350,"is_experimental":false},"nikkei2019_qual_f":{"difficulty":3778,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.112634323480468,"irt_users":2176,"is_experimental":false},"tenka1_2017_f":{"difficulty":3653,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.98082128317307,"irt_users":622,"is_experimental":false},"agc001_a":{"is_experimental":false},"agc001_b":{"is_experimental":false},"agc001_c":{"is_experimental":false},"agc001_d":{"is_experimental":false},"agc001_e":{"is_experimental":false},"agc001_f":{"is_experimental":false},"cf16_exhibition_final_i":{"is_experimental":false},"arc066_d":{"is_experimental":false},"agc012_f":{"is_experimental":false},"arc086_d":{"is_experimental":false},"agc020_f":{"is_experimental":false},"wtf19_a":{"is_experimental":false},"wtf19_b":{"is_experimental":false},"wtf19_c1":{"is_experimental":false},"wtf19_c2":{"is_experimental":false},"wtf19_d":{"is_experimental":false},"wtf19_e":{"is_experimental":false},"abc143_a":{"slope":-0.0007913594022099718,"intercept":6.028070120788195,"variance":0.7776330640442267,"difficulty":-903,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.6863054338029,"irt_users":4228,"is_experimental":false},"abc143_b":{"slope":-0.0009872832698439664,"intercept":6.376709871662299,"variance":0.3192346530837138,"difficulty":-514,"discrimination":0.004479398673070138,"irt_loglikelihood":-513.6116388509167,"irt_users":4228,"is_experimental":false},"abc143_c":{"slope":-0.000967335326141981,"intercept":6.479542167418035,"variance":0.39040057174001364,"difficulty":-322,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.6564901796262,"irt_users":4338,"is_experimental":false},"abc143_d":{"slope":-0.0006244157940652064,"intercept":7.890913533144795,"variance":0.5623924683815154,"difficulty":686,"discrimination":0.004479398673070138,"irt_loglikelihood":-2462.992351162435,"irt_users":4338,"is_experimental":false},"abc143_e":{"slope":-0.0006804322211517751,"intercept":8.825514360449084,"variance":0.3897245795375819,"difficulty":1695,"discrimination":0.004479398673070138,"irt_loglikelihood":-695.6337378779108,"irt_users":4338,"is_experimental":false},"abc143_f":{"slope":-0.0004154534780933599,"intercept":8.57091496812084,"variance":0.29117059774381365,"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-257.24835524683704,"irt_users":4338,"is_experimental":false},"arc001_1":{"is_experimental":true},"arc001_2":{"is_experimental":true},"arc001_3":{"is_experimental":true},"arc001_4":{"is_experimental":true},"arc002_1":{"slope":-0.0005776386743739415,"intercept":6.531138791332212,"variance":0.9370760235304156,"difficulty":-381,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.820422243506354,"irt_users":95,"is_experimental":true},"arc002_2":{"slope":-0.00007921670238456613,"intercept":7.042092693674414,"variance":0.5883717957163462,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.55660901303878,"irt_users":95,"is_experimental":true},"arc002_3":{"slope":-0.000050765787791071756,"intercept":7.128711105138762,"variance":0.52388637741803,"difficulty":1164,"discrimination":0.004479398673070138,"irt_loglikelihood":-78.89220138662236,"irt_users":95,"is_experimental":true},"arc002_4":{"difficulty":2728,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.510349167097912,"irt_users":95,"is_experimental":true},"arc003_1":{"slope":-0.001103142539014025,"intercept":7.989889616349106,"variance":0.8704790167761755,"difficulty":452,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.85926521476229,"irt_users":201,"is_experimental":true},"arc003_2":{"slope":-0.001042393065335937,"intercept":7.719867722833184,"variance":0.5240527271368528,"difficulty":746,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.6813074851365,"irt_users":201,"is_experimental":true},"arc003_3":{"difficulty":1972,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.37226760607965,"irt_users":201,"is_experimental":true,"slope":-0.00022927320285288672,"intercept":8.37954335191685,"variance":0.14070584393179233},"arc003_4":{"difficulty":2194,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.42297121742077,"irt_users":201,"is_experimental":true,"slope":-0.000002898482615385662,"intercept":7.559554089375102,"variance":0.11916950552469832},"arc004_1":{"slope":-0.0011348971444133332,"intercept":7.890724160843539,"variance":0.5378460061827055,"difficulty":330,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.72515890753522,"irt_users":243,"is_experimental":true},"arc004_2":{"slope":-0.000532574230197032,"intercept":7.589106007708961,"variance":0.5045462211534353,"difficulty":1118,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.45228266069958,"irt_users":243,"is_experimental":true},"arc004_3":{"slope":-0.0004612794930043088,"intercept":8.595867055872455,"variance":0.2195318430038554,"difficulty":1904,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.43507085810063,"irt_users":243,"is_experimental":true},"arc004_4":{"difficulty":2267,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.22377217234092,"irt_users":243,"is_experimental":true,"slope":-0.0003686041095733342,"intercept":8.186930071662871,"variance":0.211174119836921},"arc005_1":{"slope":-0.0008586354364764825,"intercept":7.661527580504895,"variance":0.5530770989241337,"difficulty":339,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.83237306403243,"irt_users":220,"is_experimental":true},"arc005_2":{"slope":-0.000904472366674246,"intercept":8.448523557977882,"variance":0.2604418454905727,"difficulty":998,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.07626569749348,"irt_users":220,"is_experimental":true},"arc005_3":{"slope":-0.0007642419842951107,"intercept":8.495291687582469,"variance":0.3653791133555701,"difficulty":1503,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.04418612069584,"irt_users":220,"is_experimental":true},"arc005_4":{"difficulty":2487,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.82447025151243,"irt_users":220,"is_experimental":true,"slope":-0.00028284126905752624,"intercept":8.614625058542256,"variance":0.16989610373793945},"arc006_1":{"slope":-0.0009267328136459199,"intercept":8.02729952959258,"variance":0.40260485499124987,"difficulty":126,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.707587959476335,"irt_users":200,"is_experimental":true},"arc006_2":{"slope":-0.0011629061001937756,"intercept":8.647071627745053,"variance":0.27434465443847617,"difficulty":814,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.43191837618724,"irt_users":200,"is_experimental":true},"arc006_3":{"slope":-0.0007472943140846547,"intercept":8.00872462860096,"variance":0.31480555748761857,"difficulty":1042,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.6727938869653,"irt_users":200,"is_experimental":true},"arc006_4":{"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.98867343814881,"irt_users":200,"is_experimental":true,"slope":-0.0003432474263351253,"intercept":8.121632396849577,"variance":0.2039646584039588},"arc007_1":{"slope":-0.0009328425962796029,"intercept":7.134759008280437,"variance":0.936353140802895,"difficulty":123,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.942537465932507,"irt_users":183,"is_experimental":true},"arc007_2":{"slope":-0.0009993969338929953,"intercept":8.198623472112644,"variance":0.3179890559233217,"difficulty":529,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.404279822448395,"irt_users":183,"is_experimental":true},"arc007_3":{"slope":-0.0013679098339546324,"intercept":9.57874261653931,"variance":0.3446709778938677,"difficulty":1386,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.4151885076339,"irt_users":183,"is_experimental":true},"arc007_4":{"difficulty":2491,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.035633302425946,"irt_users":183,"is_experimental":true},"arc008_1":{"slope":-0.0008007475199431018,"intercept":7.274738954135028,"variance":0.7494804620161314,"difficulty":24,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.555950134325093,"irt_users":215,"is_experimental":true},"arc008_2":{"slope":-0.001309313311181148,"intercept":8.67221272438432,"variance":0.38033656301715224,"difficulty":772,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.76292729925607,"irt_users":215,"is_experimental":true},"arc008_3":{"difficulty":1927,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.65684328697816,"irt_users":215,"is_experimental":true,"slope":-0.0003871915809082449,"intercept":8.345874432566504,"variance":0.22148800676424302},"arc008_4":{"difficulty":2430,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.698810501287976,"irt_users":215,"is_experimental":true,"slope":-0.0006135443366625233,"intercept":8.820788405280922,"variance":0.0887954293805267},"arc009_1":{"slope":-0.0011245193139231416,"intercept":7.398433712717396,"variance":0.6011773455115877,"difficulty":-43,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.212524748953705,"irt_users":241,"is_experimental":true},"arc009_2":{"slope":-0.0013023092576205442,"intercept":8.987523853399882,"variance":0.2537773806671485,"difficulty":830,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.03483841975157,"irt_users":241,"is_experimental":true},"arc009_3":{"difficulty":2015,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.738761074069714,"irt_users":241,"is_experimental":true,"slope":-0.0010048740214490524,"intercept":9.8039822254432,"variance":0.20216550707772643},"arc009_4":{"difficulty":2801,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.582350925053065,"irt_users":241,"is_experimental":true},"arc010_1":{"slope":-0.0012406933486418814,"intercept":8.204099266504908,"variance":0.5322719648582054,"difficulty":224,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.97522033949551,"irt_users":241,"is_experimental":true},"arc010_2":{"slope":-0.000864990984770963,"intercept":8.729763546172132,"variance":0.38003465437875233,"difficulty":1107,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.18146211320426,"irt_users":241,"is_experimental":true},"arc010_3":{"difficulty":2011,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.7396889337506,"irt_users":241,"is_experimental":true,"slope":-0.0005986286755894731,"intercept":8.803747803514836,"variance":0.30565063965800854},"arc010_4":{"difficulty":2481,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.925824923093018,"irt_users":241,"is_experimental":true,"slope":-0.00000884700223308937,"intercept":7.951010767413809,"variance":0.09947873154872389},"arc011_1":{"slope":-0.0013185494468212473,"intercept":8.512394713606755,"variance":0.38606356526869173,"difficulty":401,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.485942632194316,"irt_users":216,"is_experimental":true},"arc011_2":{"slope":-0.001023691627119868,"intercept":8.755322014307872,"variance":0.2728401815321656,"difficulty":917,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.1362212780638,"irt_users":216,"is_experimental":true},"arc011_3":{"slope":-0.000508883944715668,"intercept":8.33240162373886,"variance":0.2245173541889924,"difficulty":1488,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.18489717363484,"irt_users":216,"is_experimental":true},"arc011_4":{"difficulty":2808,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.94926306686509,"irt_users":216,"is_experimental":true},"arc012_1":{"slope":-0.0009453951959744563,"intercept":7.3963750578179805,"variance":0.612766823589279,"difficulty":-392,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.271664037562136,"irt_users":222,"is_experimental":true},"arc012_2":{"slope":-0.0009731833615856208,"intercept":7.640417928663397,"variance":0.26355312247278856,"difficulty":159,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.995363093237266,"irt_users":222,"is_experimental":true},"arc012_3":{"difficulty":1873,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.873653282974274,"irt_users":222,"is_experimental":true,"slope":-0.0004875632588848754,"intercept":8.711845358040165,"variance":0.319764771317675},"arc012_4":{"difficulty":3046,"discrimination":0.004479398673070138,"irt_loglikelihood":-1.5458356052592488,"irt_users":222,"is_experimental":true},"arc013_1":{"slope":-0.0011294710419891725,"intercept":8.300053570668897,"variance":0.4903929479395452,"difficulty":585,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.69155733499436,"irt_users":223,"is_experimental":true},"arc013_2":{"slope":-0.0009541432991363917,"intercept":7.906794477625995,"variance":0.37977142891270316,"difficulty":788,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.810946401188,"irt_users":223,"is_experimental":true},"arc013_3":{"slope":-0.000472201248883148,"intercept":8.209767124428318,"variance":0.20953533112023345,"difficulty":1831,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.72943444237496,"irt_users":223,"is_experimental":true},"arc013_4":{"difficulty":2535,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.534079506708625,"irt_users":223,"is_experimental":true},"arc014_1":{"slope":-0.0009338599242016626,"intercept":6.654802247535283,"variance":1.0525870157086048,"is_experimental":true},"arc014_2":{"slope":-0.0009562872161084449,"intercept":8.182449322979274,"variance":0.42417186694696757,"difficulty":606,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.71431594617444,"irt_users":256,"is_experimental":true},"arc014_3":{"slope":-0.0005038826929442806,"intercept":7.950208223398849,"variance":0.47958458473521626,"difficulty":1266,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.1502585552667,"irt_users":256,"is_experimental":true},"arc014_4":{"slope":-0.0006772869464518363,"intercept":8.877456306959166,"variance":0.1575393383142664,"difficulty":1904,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.79971215372291,"irt_users":256,"is_experimental":true},"arc015_1":{"slope":-0.001164580164870633,"intercept":7.200698573107196,"variance":0.9187867739716795,"difficulty":102,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.588416508369008,"irt_users":251,"is_experimental":true},"arc015_2":{"slope":-0.0008514168091248272,"intercept":7.699057880990305,"variance":0.3683816811588358,"difficulty":464,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.80560375205773,"irt_users":251,"is_experimental":true},"arc015_3":{"difficulty":2185,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.94033434546475,"irt_users":251,"is_experimental":true,"slope":-0.0001759331393953351,"intercept":8.504316078815286,"variance":0.2819772921192464},"arc015_4":{"difficulty":2688,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.22416917407734,"irt_users":251,"is_experimental":true},"abc001_1":{"slope":-0.0005235127675179603,"intercept":6.480188217901211,"variance":1.9830810089379265,"difficulty":-305,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.275229960681347,"irt_users":222,"is_experimental":true},"abc001_2":{"slope":-0.0006133211994782636,"intercept":7.563273672570342,"variance":0.4954469734291135,"difficulty":520,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.62512323420209,"irt_users":222,"is_experimental":true},"abc001_3":{"slope":-0.00047074243389900983,"intercept":8.451197082590921,"variance":0.19300895100840426,"difficulty":1189,"discrimination":0.004479398673070138,"irt_loglikelihood":-185.52400248988505,"irt_users":222,"is_experimental":true},"abc001_4":{"slope":-0.0005272810371799659,"intercept":8.41760993764678,"variance":0.25542587268441835,"difficulty":1565,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.29243796209569,"irt_users":222,"is_experimental":true},"abc002_1":{"slope":-0.0007794038953221,"intercept":6.928032237811502,"variance":1.7644328075165023,"difficulty":124,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.897058682278406,"irt_users":218,"is_experimental":true},"abc002_2":{"slope":-0.0011064998913320229,"intercept":7.279120733958815,"variance":0.7398380455890177,"difficulty":298,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.3296834223791,"irt_users":218,"is_experimental":true},"abc002_3":{"slope":-0.0007922246117632154,"intercept":7.783890181489346,"variance":0.6569654891497607,"difficulty":623,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.3940482951409,"irt_users":218,"is_experimental":true},"abc002_4":{"slope":-0.0009785135038923513,"intercept":8.896071504434197,"variance":0.6034501980144459,"difficulty":1418,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.39847411590836,"irt_users":218,"is_experimental":true},"arc016_1":{"slope":-0.0013686869329297227,"intercept":7.534933750930721,"variance":0.9158909798532501,"difficulty":52,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.51323002890078,"irt_users":288,"is_experimental":true},"arc016_2":{"slope":-0.0013226867453809297,"intercept":8.284329828005475,"variance":0.32114130346165687,"difficulty":540,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.04780378915338,"irt_users":288,"is_experimental":true},"arc016_3":{"difficulty":2092,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.43778277135368,"irt_users":288,"is_experimental":true,"slope":-0.0008404604280866475,"intercept":9.379589591242025,"variance":0.24674091583374794},"arc016_4":{"difficulty":2683,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.411992746229036,"irt_users":288,"is_experimental":true},"abc003_1":{"slope":-0.0009432720674396861,"intercept":7.421081991847351,"variance":0.8440241107562121,"difficulty":-613,"discrimination":0.004479398673070138,"irt_loglikelihood":-1.9721798531464567,"irt_users":156,"is_experimental":true},"abc003_2":{"slope":-0.0009390061779282225,"intercept":8.056836870747984,"variance":0.4762387387849827,"difficulty":668,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.39328614144472,"irt_users":156,"is_experimental":true},"abc003_3":{"slope":-0.0009272397116744418,"intercept":7.974557890817503,"variance":0.4312926413270423,"difficulty":824,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.7502880944134,"irt_users":156,"is_experimental":true},"abc003_4":{"difficulty":2033,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.64044969622519,"irt_users":156,"is_experimental":true,"slope":-0.001542502921833764,"intercept":10.795179340636853,"variance":0.4748217317143639},"arc017_1":{"slope":-0.0011548764921453256,"intercept":7.794373715327045,"variance":0.9285588333603308,"difficulty":185,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.96232919183745,"irt_users":228,"is_experimental":true},"arc017_2":{"slope":-0.0011633547945063306,"intercept":8.623901685534943,"variance":0.5612601314357046,"difficulty":1085,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.36128746625029,"irt_users":228,"is_experimental":true},"arc017_3":{"slope":-0.0011368045072184115,"intercept":8.956917148949318,"variance":0.5020796869400301,"difficulty":1625,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.28848298152282,"irt_users":228,"is_experimental":true},"arc017_4":{"difficulty":2244,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.64541180533247,"irt_users":228,"is_experimental":true,"slope":-0.0004249479716384177,"intercept":8.659745911639668,"variance":0.6176359555485251},"abc004_1":{"slope":-0.0009529626281055137,"intercept":6.58694255464039,"variance":2.0815442380776275,"difficulty":-406,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.186217579404314,"irt_users":218,"is_experimental":true},"abc004_2":{"slope":-0.0010637773725785686,"intercept":7.764150539420579,"variance":0.48009105685019354,"difficulty":367,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.174619082230834,"irt_users":218,"is_experimental":true},"abc004_3":{"slope":-0.0011006544045925578,"intercept":8.467207896190512,"variance":0.41630180490328933,"difficulty":685,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.22111106039114,"irt_users":218,"is_experimental":true},"abc004_4":{"difficulty":1861,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.95808219157765,"irt_users":218,"is_experimental":true,"slope":-0.0007657684177064863,"intercept":9.207266076529212,"variance":0.2579555003320167},"arc018_1":{"slope":-0.0008772483238252574,"intercept":7.123762398365697,"variance":0.8783282621275115,"difficulty":-85,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.37631734407224,"irt_users":289,"is_experimental":true},"arc018_2":{"slope":-0.0011832347184286632,"intercept":8.94464784468532,"variance":0.4328359292290105,"difficulty":1330,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.30665309326778,"irt_users":289,"is_experimental":true},"arc018_3":{"difficulty":1979,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.591426158576,"irt_users":289,"is_experimental":true,"slope":-0.0006675732915269064,"intercept":8.873174850211404,"variance":0.2593966843269239},"arc018_4":{"difficulty":2644,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.92124290468533,"irt_users":289,"is_experimental":true},"arc019_1":{"slope":-0.0008720555340140028,"intercept":7.44906961546846,"variance":0.7997229900859592,"difficulty":219,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.48066141489352,"irt_users":253,"is_experimental":true},"arc019_2":{"slope":-0.0010723599210298797,"intercept":9.028321623501776,"variance":0.3806479029336791,"difficulty":1209,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.9192089839241,"irt_users":253,"is_experimental":true},"arc019_3":{"difficulty":2881,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.387620097406149,"irt_users":253,"is_experimental":true},"arc019_4":{"difficulty":2730,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.54204224476173,"irt_users":253,"is_experimental":true,"slope":-0.00048303780241949014,"intercept":9.363568019944209,"variance":0.05008302759401686},"abc005_1":{"slope":-0.00123304048738671,"intercept":7.138177612778504,"variance":1.6070356327257511,"difficulty":-231,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.79218330211985,"irt_users":201,"is_experimental":true},"abc005_2":{"slope":-0.0008440135392491041,"intercept":6.523562110011258,"variance":0.5403093214231772,"difficulty":125,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.77344055564969,"irt_users":201,"is_experimental":true},"abc005_3":{"slope":-0.0011223697667639167,"intercept":8.75372910873474,"variance":0.3675018635756715,"difficulty":840,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.08813350596817,"irt_users":201,"is_experimental":true},"abc005_4":{"slope":-0.0010593294975678698,"intercept":9.235957218934123,"variance":0.4452215369191591,"difficulty":1447,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.3772379208906,"irt_users":201,"is_experimental":true},"arc020_1":{"slope":-0.0013160561663329898,"intercept":7.660298696817012,"variance":0.7356453928246538,"difficulty":-308,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.271482324543314,"irt_users":278,"is_experimental":true},"arc020_2":{"slope":-0.0013146162099099675,"intercept":8.67248554130951,"variance":0.5792648459863635,"difficulty":1008,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.65998549870649,"irt_users":278,"is_experimental":true},"arc020_3":{"difficulty":2141,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.89987738850398,"irt_users":278,"is_experimental":true,"slope":-0.0011819315132174598,"intercept":10.082376317381708,"variance":0.27518603061137525},"arc020_4":{"difficulty":3133,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.96040957028515,"irt_users":278,"is_experimental":true},"abc006_1":{"slope":-0.0009215621287158287,"intercept":7.051819839681202,"variance":1.7243255834368263,"difficulty":-542,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.939045003109108,"irt_users":268,"is_experimental":true},"abc006_2":{"slope":-0.0012818984199078494,"intercept":8.274308740343463,"variance":0.6860101455825452,"difficulty":813,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.47183102760724,"irt_users":268,"is_experimental":true},"abc006_3":{"slope":-0.0010744583249547217,"intercept":8.785462859958695,"variance":0.52333492778193,"difficulty":1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-135.02954279711028,"irt_users":268,"is_experimental":true},"abc006_4":{"slope":-0.0010959065498006798,"intercept":9.17959951382377,"variance":0.7266926071495086,"difficulty":1696,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.85186649603915,"irt_users":268,"is_experimental":true},"arc021_1":{"slope":-0.0012413843567994933,"intercept":8.233475438103095,"variance":0.541757355842928,"difficulty":195,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.48824488592721,"irt_users":244,"is_experimental":true},"arc021_2":{"slope":-0.0012043352427055104,"intercept":8.82149838558323,"variance":0.3401138130649887,"difficulty":1327,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.6883487162969,"irt_users":244,"is_experimental":true},"arc021_3":{"difficulty":2164,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.257732086967724,"irt_users":244,"is_experimental":true,"slope":-0.0006670495605992947,"intercept":9.159753002615844,"variance":0.324637093532035},"arc021_4":{"difficulty":3152,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.7036577351568747,"irt_users":244,"is_experimental":true},"abc007_1":{"slope":-0.001151826520057341,"intercept":6.765183752964106,"variance":1.9763450780395357,"difficulty":-837,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.531376892642363,"irt_users":244,"is_experimental":true},"abc007_2":{"slope":-0.0011210151198583103,"intercept":7.081744894018396,"variance":0.6286238717639738,"difficulty":195,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.14031011772841,"irt_users":244,"is_experimental":true},"abc007_3":{"slope":-0.0011428402135213044,"intercept":8.88583400546331,"variance":0.3554527863561391,"difficulty":1024,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.464180088439,"irt_users":244,"is_experimental":true},"abc007_4":{"slope":-0.0011940000613321906,"intercept":9.73385726523422,"variance":0.3469119994799393,"difficulty":1718,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.18219354969156,"irt_users":244,"is_experimental":true},"arc022_1":{"slope":-0.0011663402814579052,"intercept":8.066182787661713,"variance":0.7102792447708768,"difficulty":338,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.338778138635284,"irt_users":282,"is_experimental":true},"arc022_2":{"slope":-0.0015257778030905974,"intercept":9.542100031649781,"variance":0.3861050349383997,"difficulty":1395,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.86231636524215,"irt_users":282,"is_experimental":true},"arc022_3":{"slope":-0.001417489697997688,"intercept":9.57507819379593,"variance":0.43108056829195107,"difficulty":1694,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.82942529352366,"irt_users":282,"is_experimental":true},"abc008_1":{"slope":-0.001314916272556863,"intercept":7.156856279263346,"variance":1.662092964568639,"difficulty":-386,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.73964935331911,"irt_users":288,"is_experimental":true},"abc008_2":{"slope":-0.001236428657677817,"intercept":7.987373582388102,"variance":0.5822401518819683,"difficulty":601,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.1882106443853,"irt_users":288,"is_experimental":true},"abc008_3":{"slope":-0.0012899889500417898,"intercept":9.852766676984416,"variance":0.368931963472666,"difficulty":1836,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.79589364354747,"irt_users":288,"is_experimental":true},"abc008_4":{"difficulty":2203,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.436006017395744,"irt_users":288,"is_experimental":true,"slope":-0.0005439841294528249,"intercept":8.894214308230195,"variance":0.15972364802025565},"arc023_1":{"slope":-0.0010642476062700976,"intercept":7.985461619441999,"variance":0.4771692567763184,"difficulty":238,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.597465824771383,"irt_users":240,"is_experimental":true},"arc023_2":{"slope":-0.0017773111059614963,"intercept":9.447406561394649,"variance":0.4702187399993472,"difficulty":1111,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.01567012737915,"irt_users":240,"is_experimental":true},"arc023_3":{"slope":-0.001381311756198478,"intercept":9.957499929810645,"variance":0.30838803592791025,"difficulty":1833,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.30996937855643,"irt_users":240,"is_experimental":true},"arc023_4":{"difficulty":2511,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.711808233307984,"irt_users":240,"is_experimental":true},"abc009_1":{"slope":-0.001313837864489929,"intercept":7.295223034194419,"variance":1.634967310601719,"difficulty":-108,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.54862212827311,"irt_users":282,"is_experimental":true},"abc009_2":{"slope":-0.0009304434671089869,"intercept":7.333283066491933,"variance":0.5840003751615275,"difficulty":361,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.70290303991156,"irt_users":282,"is_experimental":true},"abc009_3":{"difficulty":1915,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.64776269256549,"irt_users":282,"is_experimental":true,"slope":-0.0010625694904510758,"intercept":9.662341102265481,"variance":0.24815805287476753},"abc009_4":{"difficulty":2213,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.591010693281703,"irt_users":282,"is_experimental":true,"slope":-0.00014138519501904787,"intercept":8.237960987063712,"variance":0.39315091263831564},"arc024_1":{"slope":-0.001518456444027661,"intercept":8.490195738246008,"variance":0.512128642093864,"difficulty":257,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.46250632286279,"irt_users":236,"is_experimental":true},"arc024_2":{"slope":-0.0012475794302405708,"intercept":9.190165143004752,"variance":0.34572774614049695,"difficulty":1293,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.61440527878744,"irt_users":236,"is_experimental":true},"arc024_3":{"difficulty":1844,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.227399415744266,"irt_users":236,"is_experimental":true,"slope":-0.0013313707530345895,"intercept":9.814627752099458,"variance":0.32138238872210856},"arc024_4":{"difficulty":2496,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.098442185154465,"irt_users":236,"is_experimental":true,"slope":-0.0013161797780538158,"intercept":10.848850147949024,"variance":0.1295577348588601},"abc010_1":{"slope":-0.0012846334364747184,"intercept":6.860954078225485,"variance":1.887913816300539,"difficulty":-262,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.77859180631507,"irt_users":243,"is_experimental":true},"abc010_2":{"slope":-0.0009930583122088525,"intercept":7.721059580792733,"variance":0.2731247387112415,"difficulty":229,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.36734467801393,"irt_users":243,"is_experimental":true},"abc010_3":{"slope":-0.0007852232461409433,"intercept":7.871451255532579,"variance":0.2997514411767104,"difficulty":615,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.06464771841948,"irt_users":243,"is_experimental":true},"abc010_4":{"slope":-0.0009979708279734864,"intercept":9.25665459437864,"variance":0.5351866385864003,"difficulty":1777,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.9625081959203,"irt_users":243,"is_experimental":true},"arc025_1":{"slope":-0.0014391875197478743,"intercept":7.724011267962797,"variance":0.6368229420978129,"difficulty":-80,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.572841328062296,"irt_users":284,"is_experimental":true},"arc025_2":{"slope":-0.0013503312043635278,"intercept":9.534375875745978,"variance":0.3457284956385264,"difficulty":1369,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.06129918591904,"irt_users":284,"is_experimental":true},"arc025_3":{"difficulty":1954,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.13519379668378,"irt_users":284,"is_experimental":true,"slope":-0.0011676956219098314,"intercept":10.078262767272607,"variance":0.2545385502204052},"arc025_4":{"difficulty":2863,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.639268488672952,"irt_users":284,"is_experimental":true},"abc011_1":{"slope":-0.001146483652903913,"intercept":6.756698756804435,"variance":1.2390917888848982,"difficulty":-61,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.63796787525085,"irt_users":314,"is_experimental":true},"abc011_2":{"slope":-0.0012523063153112059,"intercept":7.311941924647307,"variance":0.5419104241765548,"difficulty":172,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.64503420622651,"irt_users":314,"is_experimental":true},"abc011_3":{"slope":-0.001093731941017199,"intercept":8.783160833097666,"variance":0.3478280153623139,"difficulty":810,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.30110866527997,"irt_users":314,"is_experimental":true},"abc011_4":{"slope":-0.000791977332745485,"intercept":9.36049992228113,"variance":0.2557932176119592,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.99895933512443,"irt_users":314,"is_experimental":true},"arc026_1":{"slope":-0.0013495480265444295,"intercept":7.605427391061466,"variance":0.7295341658199037,"difficulty":-419,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.725001528885361,"irt_users":292,"is_experimental":true},"arc026_2":{"slope":-0.0013367853171858694,"intercept":9.09525183787229,"variance":0.49340109257646453,"difficulty":1199,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.55743989175164,"irt_users":292,"is_experimental":true},"arc026_3":{"slope":-0.0007493290771606123,"intercept":8.737345143078297,"variance":0.4449188584403171,"difficulty":1930,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.826136400405,"irt_users":292,"is_experimental":true},"arc026_4":{"difficulty":2297,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.438099362517015,"irt_users":292,"is_experimental":true},"abc012_1":{"slope":-0.0014433201022537318,"intercept":7.217750967507192,"variance":1.8071093095174362,"difficulty":-48,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.71079706692241,"irt_users":300,"is_experimental":true},"abc012_2":{"slope":-0.0011763547611171722,"intercept":7.263985102706304,"variance":0.4859973598302085,"difficulty":245,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.8999444944754,"irt_users":300,"is_experimental":true},"abc012_3":{"slope":-0.0010757926367361813,"intercept":7.273689763501539,"variance":0.44219587981912584,"difficulty":284,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.40488083701922,"irt_users":300,"is_experimental":true},"abc012_4":{"slope":-0.0014250814160345555,"intercept":9.154972273076778,"variance":0.3966276249517376,"difficulty":1166,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.9508450659684,"irt_users":300,"is_experimental":true},"arc027_1":{"slope":-0.0012309697751297993,"intercept":7.265615394256724,"variance":0.9057086356506148,"difficulty":-171,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.118363792672547,"irt_users":290,"is_experimental":true},"arc027_2":{"slope":-0.0011329968598319815,"intercept":9.341024603561092,"variance":0.20650157591482607,"difficulty":1432,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.30849441278303,"irt_users":290,"is_experimental":true},"arc027_3":{"slope":-0.0009981133309569258,"intercept":9.10532679497902,"variance":0.25310537770356073,"difficulty":1692,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.24500345111954,"irt_users":290,"is_experimental":true},"arc027_4":{"difficulty":2474,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.67150007631363,"irt_users":290,"is_experimental":true},"abc013_1":{"slope":-0.001221193447943805,"intercept":7.23969543108236,"variance":1.6838963659385233,"difficulty":-191,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.638891350045988,"irt_users":259,"is_experimental":true},"abc013_2":{"slope":-0.001141554029763996,"intercept":7.399866425305573,"variance":0.5785349247997191,"difficulty":276,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.31707603141471,"irt_users":259,"is_experimental":true},"abc013_3":{"slope":-0.001198741774956348,"intercept":9.520340033368058,"variance":0.31103497882901465,"difficulty":1692,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.25821224328695,"irt_users":259,"is_experimental":true},"abc013_4":{"slope":-0.0011103824475783989,"intercept":9.605148828583413,"variance":0.2950816312455005,"difficulty":1730,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.40675891202176,"irt_users":259,"is_experimental":true},"arc028_1":{"slope":-0.0010830405008611737,"intercept":7.415817619855109,"variance":0.6374755632084553,"difficulty":203,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.62183827404745,"irt_users":229,"is_experimental":true},"arc028_2":{"slope":-0.0015547586983973986,"intercept":9.800971429402333,"variance":0.32533676224678504,"difficulty":1507,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.22937709108818,"irt_users":229,"is_experimental":true},"arc028_3":{"slope":-0.0008114969783974146,"intercept":8.532616725304386,"variance":0.48850686256351616,"difficulty":1748,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.17755923944,"irt_users":229,"is_experimental":true},"arc028_4":{"difficulty":2997,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.311669013828603,"irt_users":229,"is_experimental":true},"abc014_1":{"slope":-0.0007607845161610119,"intercept":7.320702594202062,"variance":1.0954336923218582,"difficulty":23,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.878205348911138,"irt_users":229,"is_experimental":true},"abc014_2":{"slope":-0.0013655073851009491,"intercept":8.018706346302743,"variance":0.47700319034059924,"difficulty":604,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.79345358691727,"irt_users":229,"is_experimental":true},"abc014_3":{"slope":-0.0011517028343340956,"intercept":8.396164637359721,"variance":0.8665161718019192,"difficulty":1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.98338176843941,"irt_users":229,"is_experimental":true},"abc014_4":{"difficulty":1856,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.863619186334475,"irt_users":229,"is_experimental":true,"slope":-0.001469461605974138,"intercept":10.349068254910009,"variance":0.5934968594935421},"arc029_1":{"slope":-0.001553884600437808,"intercept":8.918859865160222,"variance":0.5939431987632424,"difficulty":549,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.908957421111,"irt_users":268,"is_experimental":true},"arc029_2":{"difficulty":2032,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.88731118834738,"irt_users":268,"is_experimental":true,"slope":-0.0008391098116683391,"intercept":9.441566367946994,"variance":0.3604138785339906},"arc029_3":{"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.04533648552287,"irt_users":268,"is_experimental":true,"slope":-0.0011465718450885639,"intercept":9.731259465480983,"variance":0.3022943722889864},"arc029_4":{"difficulty":2438,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.03011402184432,"irt_users":268,"is_experimental":true,"slope":-0.0005450910011661955,"intercept":8.916312538073283,"variance":0.16794723616189375},"abc015_1":{"slope":-0.001299335556548932,"intercept":7.1660282997655536,"variance":1.5765749881993083,"difficulty":-177,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.659116796402373,"irt_users":290,"is_experimental":true},"abc015_2":{"slope":-0.001357799328167371,"intercept":7.797421087051567,"variance":0.6532481438198823,"difficulty":123,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.647542419772705,"irt_users":290,"is_experimental":true},"abc015_3":{"slope":-0.0013482467371388161,"intercept":8.78594981166823,"variance":0.5604128365145502,"difficulty":912,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.68647712237622,"irt_users":290,"is_experimental":true},"abc015_4":{"slope":-0.0010361107011206787,"intercept":9.03151183397014,"variance":0.5651516003838446,"difficulty":1388,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.75339545254624,"irt_users":290,"is_experimental":true},"arc030_1":{"slope":-0.0011892211728203217,"intercept":7.925612983440577,"variance":0.7506968359149155,"difficulty":556,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.65749867324095,"irt_users":295,"is_experimental":true},"arc030_2":{"slope":-0.0013506299483171404,"intercept":9.481278653765598,"variance":0.25369121247950804,"difficulty":1298,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.53249212339561,"irt_users":295,"is_experimental":true},"arc030_3":{"difficulty":2180,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.025898089915703,"irt_users":295,"is_experimental":true,"slope":-0.001273496324433658,"intercept":10.715965090084156,"variance":0.17492481294476145},"arc030_4":{"difficulty":3246,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.24701830818893,"irt_users":295,"is_experimental":true},"abc016_1":{"slope":-0.0011652086668416128,"intercept":6.923324189410521,"variance":1.5615510939827626,"difficulty":-138,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.37169679004373,"irt_users":358,"is_experimental":true},"abc016_2":{"slope":-0.0007753110413971239,"intercept":6.594946103643195,"variance":0.5269349591593926,"difficulty":-57,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.53840891047687,"irt_users":358,"is_experimental":true},"abc016_3":{"slope":-0.0016033343579875097,"intercept":9.149590145386487,"variance":0.399746678599282,"difficulty":830,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.73495663447417,"irt_users":358,"is_experimental":true},"abc016_4":{"slope":-0.0010711116151827446,"intercept":9.032937722245174,"variance":0.4381445173467062,"difficulty":1305,"discrimination":0.004479398673070138,"irt_loglikelihood":-160.17527182510685,"irt_users":358,"is_experimental":true},"arc031_1":{"slope":-0.001482614941541104,"intercept":7.7568911269274645,"variance":1.0694079133087218,"difficulty":-284,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.384357793694864,"irt_users":301,"is_experimental":true},"arc031_2":{"slope":-0.0010312388351636516,"intercept":8.590924593837842,"variance":0.3296612594254148,"difficulty":1106,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.87740096517587,"irt_users":301,"is_experimental":true},"arc031_3":{"slope":-0.0006662017962053262,"intercept":8.51498628813566,"variance":0.626166334165456,"difficulty":1880,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.18218820698914,"irt_users":301,"is_experimental":true},"arc031_4":{"difficulty":2825,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.146411232210863,"irt_users":301,"is_experimental":true,"slope":-0.001112848151520778,"intercept":11.032754384668388,"variance":0.05853951041453663},"arc032_1":{"slope":-0.0013035109106586964,"intercept":8.137494318006631,"variance":0.7108007882410575,"difficulty":77,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.845747211107714,"irt_users":272,"is_experimental":true},"arc032_2":{"slope":-0.0015928640831840376,"intercept":9.009495477369718,"variance":0.5760810623084851,"difficulty":1169,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.22792434448154,"irt_users":272,"is_experimental":true},"arc032_3":{"slope":-0.0007136350482935801,"intercept":9.319750363548053,"variance":0.22780350389228735,"difficulty":2014,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.597723341825606,"irt_users":272,"is_experimental":true},"arc032_4":{"difficulty":2861,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.410174355103802,"irt_users":272,"is_experimental":true,"slope":-0.0012710829314440944,"intercept":11.447586657764012,"variance":0.16483962894753967},"abc017_1":{"slope":-0.0011795759697615052,"intercept":7.470797280759206,"variance":1.2844124496140592,"difficulty":-20,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.80256944222742,"irt_users":289,"is_experimental":true},"abc017_2":{"slope":-0.0011628837291903307,"intercept":7.896395773413641,"variance":0.4973030388496028,"difficulty":547,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.11484125426963,"irt_users":289,"is_experimental":true},"abc017_3":{"slope":-0.0013444408980430363,"intercept":9.562012285061586,"variance":0.4561144213860519,"difficulty":1607,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.58013190122813,"irt_users":289,"is_experimental":true},"abc017_4":{"difficulty":1956,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.090385549038075,"irt_users":289,"is_experimental":true,"slope":-0.0008441499419848934,"intercept":9.56529588179715,"variance":0.29936815676516915},"arc033_1":{"slope":-0.0011920244572580997,"intercept":7.309906275812999,"variance":0.9941811935603161,"difficulty":-29,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.311468497850104,"irt_users":273,"is_experimental":true},"arc033_2":{"slope":-0.0011376678217982553,"intercept":8.125806193903657,"variance":0.4073038118009377,"difficulty":789,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.29748520177124,"irt_users":273,"is_experimental":true},"arc033_3":{"slope":-0.0014510355262367526,"intercept":9.509798741081521,"variance":0.5846696891262788,"difficulty":1641,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.87816317233104,"irt_users":273,"is_experimental":true},"arc033_4":{"difficulty":2470,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.255895838833577,"irt_users":273,"is_experimental":true,"slope":-0.0008838525613694493,"intercept":9.891538706268229,"variance":0.17240098879295956},"abc018_1":{"slope":-0.0010160969987907293,"intercept":7.909869892971201,"variance":0.7925627203477377,"difficulty":157,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.699495371101925,"irt_users":288,"is_experimental":true},"abc018_2":{"slope":-0.0013296070550391482,"intercept":8.159011790425893,"variance":0.4790896260171138,"difficulty":469,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.52981605057751,"irt_users":288,"is_experimental":true},"abc018_3":{"slope":-0.001185922887961104,"intercept":9.631002710409263,"variance":0.3038634136421624,"difficulty":1553,"discrimination":0.004479398673070138,"irt_loglikelihood":-98.04232619304756,"irt_users":288,"is_experimental":true},"abc018_4":{"slope":-0.0011726061544595518,"intercept":9.54333063812044,"variance":0.29011584682429137,"difficulty":1711,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.88165127512289,"irt_users":288,"is_experimental":true},"arc034_1":{"slope":-0.0011171311067560146,"intercept":7.7232514048729834,"variance":0.7081434725655762,"difficulty":129,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.434350289539175,"irt_users":305,"is_experimental":true},"arc034_2":{"slope":-0.001379510018804166,"intercept":8.95817896257626,"variance":0.40779050492692415,"difficulty":1132,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.17356776416054,"irt_users":305,"is_experimental":true},"arc034_3":{"slope":-0.00132465794013658,"intercept":9.334943852815387,"variance":0.25108865412705267,"difficulty":1584,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.61113501968494,"irt_users":305,"is_experimental":true},"arc034_4":{"difficulty":2570,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.58465114657005,"irt_users":305,"is_experimental":true},"abc019_1":{"slope":-0.0013332305474178768,"intercept":7.39230222481235,"variance":1.4089923968242148,"difficulty":-22,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.42457119583683,"irt_users":281,"is_experimental":true},"abc019_2":{"slope":-0.0011830536916685426,"intercept":7.8282534949123725,"variance":0.39991055818601307,"difficulty":534,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.12539763628888,"irt_users":281,"is_experimental":true},"abc019_3":{"slope":-0.0012511314439579903,"intercept":8.488207721176325,"variance":0.8150417589975065,"difficulty":1129,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.67955617660196,"irt_users":281,"is_experimental":true},"abc019_4":{"slope":-0.001023971875251859,"intercept":8.823664946014498,"variance":0.46974271519752997,"difficulty":1378,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.42767656992226,"irt_users":281,"is_experimental":true},"arc035_a":{"slope":-0.001400790699540128,"intercept":8.076866910608594,"variance":0.5952542790969205,"difficulty":101,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.21916428622915,"irt_users":298,"is_experimental":true},"arc035_b":{"slope":-0.0013525532887477482,"intercept":9.098983789107557,"variance":0.3232214319213833,"difficulty":949,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.3755893251629,"irt_users":298,"is_experimental":true},"arc035_c":{"slope":-0.001009790550632826,"intercept":9.290044774524526,"variance":0.2985032030433284,"difficulty":1655,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.59617920608282,"irt_users":298,"is_experimental":true},"arc035_d":{"difficulty":2173,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.11878246948442,"irt_users":298,"is_experimental":true,"slope":-0.001116962161981863,"intercept":10.235656156712322,"variance":0.1792256286445104},"abc020_a":{"slope":-0.0009556163850376017,"intercept":6.645694100410984,"variance":1.6449087929430828,"difficulty":-73,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.183275255222796,"irt_users":252,"is_experimental":true},"abc020_b":{"slope":-0.0010540129054073513,"intercept":6.736127876671902,"variance":0.7405284989972883,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.72232168680465,"irt_users":252,"is_experimental":true},"abc020_c":{"slope":-0.001139711723793093,"intercept":9.386764106199932,"variance":0.30626000920378127,"difficulty":1477,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.65959769096477,"irt_users":252,"is_experimental":true},"abc020_d":{"difficulty":2695,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.556438536803547,"irt_users":252,"is_experimental":true,"slope":-0.0014520684639958406,"intercept":11.344355806275852,"variance":0.29467970415312994},"arc036_a":{"slope":-0.0011963388793740726,"intercept":8.030625285950764,"variance":0.5347632072983081,"difficulty":253,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.976630257281684,"irt_users":281,"is_experimental":true},"arc036_b":{"slope":-0.001345081152520197,"intercept":9.208639524348106,"variance":0.38391110423997044,"difficulty":1112,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.8141040818608,"irt_users":281,"is_experimental":true},"arc036_c":{"difficulty":2139,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.22228334765452,"irt_users":281,"is_experimental":true,"slope":-0.0012352536073554025,"intercept":9.796124248765464,"variance":0.21257498417265802},"arc036_d":{"difficulty":2227,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.7714967281916,"irt_users":281,"is_experimental":true,"slope":-0.0004466996060649454,"intercept":8.309094473437911,"variance":0.7710133132014922},"abc021_a":{"slope":-0.0010302612043963948,"intercept":7.546272055106039,"variance":1.2478156401431721,"difficulty":-256,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.26114683518893,"irt_users":285,"is_experimental":true},"abc021_b":{"slope":-0.001021127999560528,"intercept":7.679958891172579,"variance":0.3511881344537069,"difficulty":391,"discrimination":0.004479398673070138,"irt_loglikelihood":-103.45429165724437,"irt_users":285,"is_experimental":true},"abc021_c":{"slope":-0.0014324308164305709,"intercept":9.5512704349382,"variance":0.3490909276575236,"difficulty":1324,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.84462936417418,"irt_users":285,"is_experimental":true},"abc021_d":{"slope":-0.0011283514414737888,"intercept":9.050448648114523,"variance":0.5189567541428762,"difficulty":1704,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.56147852715169,"irt_users":285,"is_experimental":true},"arc037_a":{"slope":-0.0009804956457152947,"intercept":7.004634980462564,"variance":0.8677276958060999,"difficulty":-133,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.898160199901705,"irt_users":247,"is_experimental":true},"arc037_b":{"slope":-0.0013343130262275403,"intercept":8.942924771121318,"variance":0.37630209141877785,"difficulty":1109,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.96031633728042,"irt_users":247,"is_experimental":true},"arc037_c":{"slope":-0.0016321775460314378,"intercept":10.213860126538952,"variance":0.2797527268925321,"difficulty":1824,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.74081432251685,"irt_users":247,"is_experimental":true},"arc037_d":{"difficulty":2258,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.85700330602087,"irt_users":247,"is_experimental":true,"slope":-0.0000044396355439456755,"intercept":7.43141103405854,"variance":0.15644288766802866},"abc022_a":{"slope":-0.0010944505398968343,"intercept":7.819938019079842,"variance":1.008949677702927,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.71961615746804,"irt_users":268,"is_experimental":true},"abc022_b":{"slope":-0.001491088717861729,"intercept":8.029429303330417,"variance":0.6686998378817266,"difficulty":621,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.40124258041865,"irt_users":268,"is_experimental":true},"abc022_c":{"slope":-0.0010925761099368915,"intercept":9.508749444825403,"variance":0.3936197600170708,"difficulty":1505,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.64187762172344,"irt_users":268,"is_experimental":true},"abc022_d":{"slope":-0.0008133714601667631,"intercept":9.060199890784643,"variance":0.6130737277651491,"difficulty":1857,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.22864346675544,"irt_users":268,"is_experimental":true},"arc038_a":{"slope":-0.0012260455338776578,"intercept":7.740412100231047,"variance":0.7580465308173329,"difficulty":-19,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.23814824542987,"irt_users":295,"is_experimental":true},"arc038_b":{"slope":-0.0015540467026724737,"intercept":9.718751802356985,"variance":0.3114854006113815,"difficulty":1378,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.31256387275782,"irt_users":295,"is_experimental":true},"arc038_c":{"difficulty":2531,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.23284524222058,"irt_users":295,"is_experimental":true,"slope":-0.0003823617288558454,"intercept":8.679506171674433,"variance":0.31223509295867813},"arc038_d":{"difficulty":3009,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.431869343934675,"irt_users":295,"is_experimental":true},"abc023_a":{"slope":-0.0010156579264067672,"intercept":7.016198493844873,"variance":1.7666535860785384,"difficulty":-410,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.445665498662885,"irt_users":307,"is_experimental":true},"abc023_b":{"slope":-0.001043642525853771,"intercept":8.178730307205306,"variance":0.3538605419937503,"difficulty":570,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.33848249970215,"irt_users":307,"is_experimental":true},"abc023_c":{"slope":-0.001108798164871049,"intercept":9.542393259510996,"variance":0.31090647468637345,"difficulty":1752,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.25310924474347,"irt_users":307,"is_experimental":true},"abc023_d":{"slope":-0.0010618541632106035,"intercept":9.25460610955612,"variance":0.3884003279043018,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.79428270982712,"irt_users":307,"is_experimental":true},"arc039_a":{"slope":-0.0012815535509765675,"intercept":8.879251757900155,"variance":0.4292351169510979,"difficulty":494,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.36956139918202,"irt_users":280,"is_experimental":true},"arc039_b":{"slope":-0.001148381757001223,"intercept":9.026928046964027,"variance":0.29848990045822626,"difficulty":1383,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.13753543983769,"irt_users":280,"is_experimental":true},"arc039_c":{"difficulty":2004,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.888500100110754,"irt_users":280,"is_experimental":true,"slope":-0.0007062849888346711,"intercept":9.176497082481138,"variance":0.20331385333542154},"arc039_d":{"difficulty":2550,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.006724590121717,"irt_users":280,"is_experimental":true,"slope":-0.0004889861485668465,"intercept":9.13685903506434,"variance":0.11641660260127397},"abc024_a":{"slope":-0.0011263842138886165,"intercept":7.4399451931830765,"variance":0.903293384295265,"difficulty":-5,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.05398307484734,"irt_users":329,"is_experimental":true},"abc024_b":{"slope":-0.0010804895342182831,"intercept":7.846142460014328,"variance":0.37771712455480877,"difficulty":365,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.50810631817419,"irt_users":329,"is_experimental":true},"abc024_c":{"slope":-0.0010276625277240497,"intercept":8.736734011674715,"variance":0.2927582382889926,"difficulty":1007,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.42974522760753,"irt_users":329,"is_experimental":true},"abc024_d":{"difficulty":2050,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.73225047418326,"irt_users":329,"is_experimental":true,"slope":-0.0003817733566352714,"intercept":8.706343704699712,"variance":0.4509322159477033},"arc040_a":{"slope":-0.0012375398462137813,"intercept":7.8956683823242315,"variance":0.6799650350072592,"difficulty":53,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.81209414746808,"irt_users":318,"is_experimental":true},"arc040_b":{"slope":-0.0010202509189029148,"intercept":8.720034631771396,"variance":0.39142561940686743,"difficulty":1113,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.42932807025585,"irt_users":318,"is_experimental":true},"arc040_c":{"slope":-0.0005562312865773923,"intercept":7.794175645118813,"variance":0.4968603741006557,"difficulty":1269,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.02009167273377,"irt_users":318,"is_experimental":true},"arc040_d":{"difficulty":3166,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.161371364870003,"irt_users":318,"is_experimental":true},"abc025_a":{"slope":-0.001182451657869857,"intercept":8.064845817449658,"variance":0.815773318444229,"difficulty":-15,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.8805994646588,"irt_users":300,"is_experimental":true},"abc025_b":{"slope":-0.0009294324200383307,"intercept":7.618773119845075,"variance":0.2959405020467933,"difficulty":358,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.71468951921715,"irt_users":300,"is_experimental":true},"abc025_c":{"slope":-0.0010502693527330163,"intercept":9.457070134366843,"variance":0.29420616681684525,"difficulty":1640,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.7572829885309,"irt_users":300,"is_experimental":true},"abc025_d":{"difficulty":3006,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.404025796629485,"irt_users":300,"is_experimental":true},"arc041_a":{"slope":-0.0010376510960526835,"intercept":7.5390054250733645,"variance":0.8019668457297148,"difficulty":34,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.75873368437433,"irt_users":267,"is_experimental":true},"arc041_b":{"slope":-0.0010826748992435818,"intercept":8.589617425042555,"variance":0.3190597541938884,"difficulty":1044,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.67256458489265,"irt_users":267,"is_experimental":true},"arc041_c":{"slope":-0.0007644150576444725,"intercept":9.1745510473491,"variance":0.16413767576845545,"difficulty":1808,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.77033259246818,"irt_users":267,"is_experimental":true},"arc041_d":{"difficulty":2958,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.644066363940254,"irt_users":267,"is_experimental":true},"abc026_a":{"slope":-0.0011180172227047624,"intercept":7.101146052910917,"variance":1.4188875763059428,"difficulty":-291,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.35017995412091,"irt_users":367,"is_experimental":true},"abc026_b":{"slope":-0.001202040083149552,"intercept":7.899547585372994,"variance":0.3267540537964494,"difficulty":199,"discrimination":0.004479398673070138,"irt_loglikelihood":-122.07097313417123,"irt_users":367,"is_experimental":true},"abc026_c":{"slope":-0.0012720986046076284,"intercept":8.759421252168409,"variance":0.3163142841879407,"difficulty":820,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.13727094248898,"irt_users":367,"is_experimental":true},"abc026_d":{"slope":-0.0008267833332971929,"intercept":9.01982226179308,"variance":0.49442180993288726,"difficulty":1406,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.1179505685022,"irt_users":367,"is_experimental":true},"arc042_a":{"slope":-0.0014761793494754325,"intercept":8.88182119678868,"variance":0.4780682758039352,"difficulty":861,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.67678626865867,"irt_users":253,"is_experimental":true},"arc042_b":{"slope":-0.001010812599501062,"intercept":8.41974509218983,"variance":0.29372032041045676,"difficulty":1124,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.57262016891184,"irt_users":253,"is_experimental":true},"arc042_c":{"slope":-0.0011247049223451911,"intercept":9.336981187326877,"variance":0.3195766562731447,"difficulty":1746,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.67221701661192,"irt_users":253,"is_experimental":true},"arc042_d":{"difficulty":2247,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.64852251283658,"irt_users":253,"is_experimental":true,"slope":-0.000015239539321092591,"intercept":7.693988026718335,"variance":0.12014405896321631},"abc027_a":{"slope":-0.0010763142842630622,"intercept":7.397974367879526,"variance":1.3218500417436865,"difficulty":96,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.26239154310798,"irt_users":261,"is_experimental":true},"abc027_b":{"slope":-0.0009870343180537443,"intercept":8.14437105699458,"variance":0.5235879843434339,"difficulty":855,"discrimination":0.004479398673070138,"irt_loglikelihood":-137.13853777587016,"irt_users":261,"is_experimental":true},"abc027_c":{"slope":-0.000870902549895743,"intercept":9.109837089423959,"variance":0.35477710594314793,"difficulty":1539,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.07223990299026,"irt_users":261,"is_experimental":true},"abc027_d":{"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.5024331810043,"irt_users":261,"is_experimental":true,"slope":-0.0016256833516723017,"intercept":10.951175783189147,"variance":0.46494623033948956},"arc043_a":{"slope":-0.000990412257629844,"intercept":8.517260619482906,"variance":0.4804782018207979,"difficulty":850,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.16731151860205,"irt_users":229,"is_experimental":true},"arc043_b":{"slope":-0.0011316013410877966,"intercept":9.297790034313996,"variance":0.3684020514010462,"difficulty":1606,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.00388268096818,"irt_users":229,"is_experimental":true},"arc043_c":{"difficulty":2409,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.068386887275263,"irt_users":229,"is_experimental":true,"slope":-0.0004107648488726297,"intercept":8.82531862997615,"variance":0.17332050732873383},"arc043_d":{"difficulty":3245,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.517658398800535,"irt_users":229,"is_experimental":true},"abc028_a":{"slope":-0.000983169101560485,"intercept":7.144197107723377,"variance":1.4376901450612682,"difficulty":-139,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.927639764628516,"irt_users":338,"is_experimental":true},"abc028_b":{"slope":-0.0010440657251224144,"intercept":7.112536992062608,"variance":0.5473183915136867,"difficulty":181,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.89660319821382,"irt_users":338,"is_experimental":true},"abc028_c":{"slope":-0.0012650821801515235,"intercept":7.942184046450704,"variance":0.516491383896559,"difficulty":466,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.66171002881673,"irt_users":338,"is_experimental":true},"abc028_d":{"slope":-0.0010419420366253903,"intercept":8.627889553172702,"variance":0.41822075110897866,"difficulty":920,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.03109840953977,"irt_users":338,"is_experimental":true},"arc044_a":{"slope":-0.0011453671851742197,"intercept":8.642566005373952,"variance":0.6317831306365527,"difficulty":560,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.60457487167186,"irt_users":260,"is_experimental":true},"arc044_b":{"slope":-0.0015126863023905842,"intercept":10.45886760101141,"variance":0.17857735878262615,"difficulty":1744,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.72337364933051,"irt_users":260,"is_experimental":true},"arc044_c":{"difficulty":2309,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.799551015029063,"irt_users":260,"is_experimental":true,"slope":-0.0010889154993396558,"intercept":10.026559586657553,"variance":0.12917036478840732},"arc044_d":{"difficulty":2335,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.006368563348914,"irt_users":260,"is_experimental":true,"slope":-0.0007323350290331435,"intercept":9.120614842083617,"variance":0.21417260505137947},"abc029_a":{"slope":-0.0010185483023098798,"intercept":6.541300585414766,"variance":1.9115888972190642,"difficulty":-473,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.305590843261754,"irt_users":376,"is_experimental":true},"abc029_b":{"slope":-0.0011491921222901613,"intercept":6.7476036015097405,"variance":0.47565103416146437,"difficulty":-75,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.42207690042753,"irt_users":376,"is_experimental":true},"abc029_c":{"slope":-0.001276076575849398,"intercept":7.971682161313788,"variance":0.5817286080188818,"difficulty":584,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.0323270896405,"irt_users":376,"is_experimental":true},"abc029_d":{"slope":-0.0011639045230713429,"intercept":9.637241167233057,"variance":0.39621096771379943,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.41527359457288,"irt_users":376,"is_experimental":true},"arc045_a":{"slope":-0.001233616087788764,"intercept":7.890876215832048,"variance":0.7497600275952064,"difficulty":221,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.51912810195004,"irt_users":332,"is_experimental":true},"arc045_b":{"slope":-0.0014742048589764252,"intercept":9.849150238635684,"variance":0.3524243942481111,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.6905691966831,"irt_users":332,"is_experimental":true},"arc045_c":{"difficulty":2022,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.24254000489213,"irt_users":332,"is_experimental":true,"slope":-0.001116259587575061,"intercept":9.774552861974348,"variance":0.2562175914832362},"arc045_d":{"difficulty":3039,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.728966843457706,"irt_users":332,"is_experimental":true},"abc030_a":{"slope":-0.0007856557499826379,"intercept":7.215168302215323,"variance":1.0219238535121342,"difficulty":-39,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.34795544463883,"irt_users":350,"is_experimental":true},"abc030_b":{"slope":-0.001106487959806602,"intercept":8.29315012568483,"variance":0.46319723155131914,"difficulty":698,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.1190085093951,"irt_users":350,"is_experimental":true},"abc030_c":{"slope":-0.0009661674316030754,"intercept":8.400757268809016,"variance":0.37845160032088776,"difficulty":1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.95780851056603,"irt_users":350,"is_experimental":true},"abc030_d":{"slope":-0.0005761179974451146,"intercept":8.679103248690435,"variance":0.3765456402878431,"difficulty":1586,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.6650808463361,"irt_users":350,"is_experimental":true},"abc031_a":{"slope":-0.0010380660096239384,"intercept":7.172624172221786,"variance":1.4041904536023504,"difficulty":-209,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.347086898322935,"irt_users":342,"is_experimental":true},"abc031_b":{"slope":-0.0009536504248311014,"intercept":6.999204172996999,"variance":0.3236794550496927,"difficulty":192,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.00480730070443,"irt_users":342,"is_experimental":true},"abc031_c":{"slope":-0.0014066284290827314,"intercept":9.390889626075401,"variance":0.37237405205484614,"difficulty":1106,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.80056691546355,"irt_users":342,"is_experimental":true},"abc031_d":{"slope":-0.0008135534686880936,"intercept":9.220144829523315,"variance":0.2707683458689421,"difficulty":1688,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.56455666432792,"irt_users":342,"is_experimental":true},"arc046_a":{"slope":-0.0012626904403251157,"intercept":8.18477172319579,"variance":0.6635421327105997,"difficulty":165,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.437126717250045,"irt_users":288,"is_experimental":true},"arc046_b":{"slope":-0.0009367708237467693,"intercept":8.825476460367055,"variance":0.46289026045398995,"difficulty":1260,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.0673752110717,"irt_users":288,"is_experimental":true},"arc046_c":{"difficulty":2203,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.10505302572947,"irt_users":288,"is_experimental":true,"slope":-0.0007103486990773084,"intercept":8.875282872916578,"variance":0.23640363919860777},"arc046_d":{"difficulty":2852,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.52125158285186,"irt_users":288,"is_experimental":true},"abc032_a":{"slope":-0.001259218110564152,"intercept":7.888432337550129,"variance":1.1453260226329065,"difficulty":171,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.66150358953523,"irt_users":296,"is_experimental":true},"abc032_b":{"slope":-0.0013513104527591718,"intercept":8.230391540173612,"variance":0.5028521332476328,"difficulty":672,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.53705387748607,"irt_users":296,"is_experimental":true},"abc032_c":{"slope":-0.0013803302994934896,"intercept":9.548074217446784,"variance":0.5486429506815717,"difficulty":1244,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.08119042604866,"irt_users":296,"is_experimental":true},"abc032_d":{"slope":-0.0007974176575172744,"intercept":9.468685285438063,"variance":0.2112875627579639,"difficulty":1731,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.24451542373646,"irt_users":296,"is_experimental":true},"arc047_a":{"slope":-0.001259857060599869,"intercept":7.858965533139795,"variance":0.7703098292534515,"difficulty":-218,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.41735076255354,"irt_users":265,"is_experimental":true},"arc047_b":{"difficulty":2455,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.52786227496089,"irt_users":265,"is_experimental":true,"slope":-0.0003602234270991817,"intercept":8.602470288496802,"variance":0.3111352034014578},"arc047_c":{"difficulty":2262,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.812122166622224,"irt_users":265,"is_experimental":true,"slope":-0.0007240844133417826,"intercept":9.489923136612632,"variance":0.19167692138006565},"abc033_a":{"slope":-0.0013251562538164645,"intercept":7.641451443998138,"variance":1.288960299761483,"difficulty":-326,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.58998746974074,"irt_users":348,"is_experimental":true},"abc033_b":{"slope":-0.0009787622745779207,"intercept":7.429015599637217,"variance":0.45452249712579285,"difficulty":279,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.33147870316185,"irt_users":348,"is_experimental":true},"abc033_c":{"slope":-0.0010629011871897218,"intercept":7.983234624493679,"variance":0.5611693273150716,"difficulty":755,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.69647598147337,"irt_users":348,"is_experimental":true},"abc033_d":{"difficulty":2248,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.58865382265452,"irt_users":348,"is_experimental":true,"slope":-0.0011115531856999647,"intercept":10.403555614746912,"variance":0.3080127057683717},"arc048_a":{"slope":-0.0013373610992267722,"intercept":7.7618151057856,"variance":0.8303594137211754,"difficulty":-162,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.185627336784876,"irt_users":335,"is_experimental":true},"arc048_b":{"slope":-0.0015160395908629715,"intercept":9.73960791148641,"variance":0.3002678465342762,"difficulty":1290,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.5234064786491,"irt_users":335,"is_experimental":true},"arc048_c":{"difficulty":2390,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.5279230444865,"irt_users":335,"is_experimental":true},"arc048_d":{"difficulty":3062,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.45570804981691,"irt_users":335,"is_experimental":true},"abc034_a":{"slope":-0.0011322802599951721,"intercept":6.932027889241789,"variance":1.5739387861430671,"difficulty":-227,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.8973321975382,"irt_users":339,"is_experimental":true},"abc034_b":{"slope":-0.0007039747496177227,"intercept":5.860410317769168,"variance":0.5400355838089558,"difficulty":-65,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.746371383041776,"irt_users":339,"is_experimental":true},"abc034_c":{"slope":-0.001812387865462859,"intercept":9.511501140120483,"variance":0.737795749869244,"difficulty":1440,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.82012144008061,"irt_users":339,"is_experimental":true},"abc034_d":{"slope":-0.0011078776733340827,"intercept":9.397050116433192,"variance":0.5274606029893324,"difficulty":1549,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.69902190547609,"irt_users":339,"is_experimental":true},"arc049_a":{"slope":-0.0010694773319703797,"intercept":7.845127208669418,"variance":0.6460440523150289,"difficulty":226,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.40090308529862,"irt_users":365,"is_experimental":true},"arc049_b":{"slope":-0.0010949885372029786,"intercept":9.285623227107513,"variance":0.29403406431728046,"difficulty":1511,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.4447644536402,"irt_users":365,"is_experimental":true},"arc049_c":{"difficulty":2308,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.41847900611295,"irt_users":365,"is_experimental":true,"slope":-0.0003697494601738856,"intercept":8.443471116201572,"variance":0.2070366407018315},"arc049_d":{"difficulty":2988,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.797728762811122,"irt_users":365,"is_experimental":true},"abc035_a":{"slope":-0.0009545995576110875,"intercept":7.2331445197718525,"variance":1.3101776421293148,"difficulty":59,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.09494193341044,"irt_users":380,"is_experimental":true},"abc035_b":{"slope":-0.0009469156430179869,"intercept":8.219183351111784,"variance":0.35037738021421655,"difficulty":804,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.23846842448893,"irt_users":380,"is_experimental":true},"abc035_c":{"slope":-0.001269443994423768,"intercept":8.475107734340835,"variance":0.6099355846757595,"difficulty":1096,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.0796913952602,"irt_users":380,"is_experimental":true},"abc035_d":{"slope":-0.001140128486246568,"intercept":9.538759432998049,"variance":0.3211585426929256,"difficulty":1591,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.24905743189842,"irt_users":380,"is_experimental":true},"arc050_a":{"slope":-0.001264085913434852,"intercept":7.504626825323977,"variance":1.0949762548263589,"difficulty":58,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.98624535739987,"irt_users":391,"is_experimental":true},"arc050_b":{"slope":-0.0012804511733472638,"intercept":10.073012994337013,"variance":0.5027519135036115,"difficulty":1838,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.469470849616,"irt_users":391,"is_experimental":true},"arc050_c":{"difficulty":2372,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.108793968106085,"irt_users":391,"is_experimental":true,"slope":-0.0010354749182921342,"intercept":9.733431268135133,"variance":0.28246641011142226},"arc050_d":{"difficulty":2487,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.364308396291616,"irt_users":391,"is_experimental":true,"slope":-0.000507753914423396,"intercept":9.057757059345356,"variance":0.20711260289065883},"abc036_a":{"slope":-0.001272975262915469,"intercept":7.393456212064863,"variance":1.2567771727780803,"difficulty":-374,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.27564584350973,"irt_users":429,"is_experimental":true},"abc036_b":{"slope":-0.0012832569004997626,"intercept":7.849782460399783,"variance":0.5159374058114669,"difficulty":324,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.49301764008636,"irt_users":429,"is_experimental":true},"abc036_c":{"slope":-0.0016877137972737828,"intercept":9.038918438042781,"variance":0.5301538995127347,"difficulty":956,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.7286426503619,"irt_users":429,"is_experimental":true},"abc036_d":{"slope":-0.001811487649190312,"intercept":10.523489623322867,"variance":0.2943237998827859,"difficulty":1602,"discrimination":0.004479398673070138,"irt_loglikelihood":-106.15177516459715,"irt_users":429,"is_experimental":true},"arc051_a":{"slope":-0.0010021730494176972,"intercept":8.621005948561347,"variance":0.36018223859915266,"difficulty":773,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.72104944039553,"irt_users":304,"is_experimental":true},"arc051_b":{"slope":-0.0009704574465350263,"intercept":8.346331429215876,"variance":0.4631711257273539,"difficulty":1032,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.43243037650788,"irt_users":304,"is_experimental":true},"arc051_c":{"slope":-0.0009735488626757744,"intercept":9.55225653492247,"variance":0.25357565891177153,"difficulty":1898,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.22940077370848,"irt_users":304,"is_experimental":true},"arc051_d":{"difficulty":2779,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.892868778672382,"irt_users":304,"is_experimental":true,"slope":-0.00031591904112170186,"intercept":8.884050597050592,"variance":0.04076885889767613},"arc052_a":{"slope":-0.0012061256996002301,"intercept":7.666349506511895,"variance":0.8220690823734277,"difficulty":143,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.78161095006788,"irt_users":339,"is_experimental":true},"arc052_b":{"slope":-0.0009309950381694657,"intercept":9.034921814832524,"variance":0.2453670191224247,"difficulty":1278,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.32085785596786,"irt_users":339,"is_experimental":true},"arc052_c":{"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.11574657873285,"irt_users":339,"is_experimental":true,"slope":-0.0003093759082869476,"intercept":8.326841359007386,"variance":0.16789876013504515},"arc052_d":{"difficulty":2436,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.23606625933986,"irt_users":339,"is_experimental":true,"slope":-0.0003091606273336273,"intercept":8.262286794671898,"variance":0.2101551543545033},"abc037_a":{"slope":-0.0010256073924256876,"intercept":7.179229265196595,"variance":1.5426650560062,"difficulty":-225,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.63511508248418,"irt_users":506,"is_experimental":true},"abc037_b":{"slope":-0.0010825162631692617,"intercept":7.34563574887345,"variance":0.4740633507120864,"difficulty":192,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.61435342477887,"irt_users":506,"is_experimental":true},"abc037_c":{"slope":-0.0009193756046076165,"intercept":8.011210712969671,"variance":0.858770184837274,"difficulty":915,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.32265071421824,"irt_users":506,"is_experimental":true},"abc037_d":{"slope":-0.0013307747278387713,"intercept":9.460790112836973,"variance":0.4272683226904676,"difficulty":1377,"discrimination":0.004479398673070138,"irt_loglikelihood":-200.2156777344958,"irt_users":506,"is_experimental":true},"arc053_a":{"slope":-0.00140445426717595,"intercept":7.602683776493672,"variance":0.8621341849249607,"difficulty":-200,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.07403839295315,"irt_users":440,"is_experimental":true},"arc053_b":{"slope":-0.0012063229269474796,"intercept":8.769077506505775,"variance":0.3417265695048401,"difficulty":984,"discrimination":0.004479398673070138,"irt_loglikelihood":-214.32209417287277,"irt_users":440,"is_experimental":true},"arc053_c":{"slope":-0.0008285141002634086,"intercept":9.31638876294717,"variance":0.35600177862654486,"difficulty":1901,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.6155696376745,"irt_users":440,"is_experimental":true},"arc053_d":{"difficulty":3043,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.472191871105212,"irt_users":440,"is_experimental":true},"arc054_a":{"slope":-0.0012169408365643201,"intercept":8.873615245072521,"variance":0.3761817498891267,"difficulty":771,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.15908900522516,"irt_users":411,"is_experimental":true},"arc054_b":{"slope":-0.001035465926329546,"intercept":8.869874786006001,"variance":0.3780740587383621,"difficulty":1269,"discrimination":0.004479398673070138,"irt_loglikelihood":-164.48406386443585,"irt_users":411,"is_experimental":true},"arc054_c":{"difficulty":2292,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.79553011003386,"irt_users":411,"is_experimental":true,"slope":-0.0006701861229078825,"intercept":8.831953726171836,"variance":0.3925957188226663},"arc054_d":{"difficulty":3095,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.92190901309001,"irt_users":411,"is_experimental":true},"abc038_a":{"slope":-0.0012686659222258354,"intercept":7.259701477215006,"variance":1.5340521304451402,"difficulty":-145,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.61466788235197,"irt_users":531,"is_experimental":true},"abc038_b":{"slope":-0.0008233787386645767,"intercept":6.712616577138191,"variance":0.48057782648607833,"difficulty":-31,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.94383728302662,"irt_users":531,"is_experimental":true},"abc038_c":{"slope":-0.0013983667905713105,"intercept":8.996384061138404,"variance":0.549848372257545,"difficulty":894,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.44560928740736,"irt_users":531,"is_experimental":true},"abc038_d":{"slope":-0.001225628094239746,"intercept":9.878695313322366,"variance":0.7641071944223713,"difficulty":1804,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.92820963728958,"irt_users":531,"is_experimental":true},"arc055_a":{"slope":-0.0012132101690415802,"intercept":7.277503023754304,"variance":1.1995922538208041,"difficulty":-65,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.68729452211926,"irt_users":381,"is_experimental":true},"arc055_b":{"difficulty":2675,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.282191538889844,"irt_users":381,"is_experimental":true,"slope":-0.0008299012921004536,"intercept":9.556965405815632,"variance":0.24382844706531762},"arc055_c":{"difficulty":2392,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.574733084186704,"irt_users":381,"is_experimental":true,"slope":-0.0010352405086659663,"intercept":10.207597392066125,"variance":0.1621364277711358},"arc055_d":{"is_experimental":true},"abc039_a":{"slope":-0.001023372671721428,"intercept":6.887492802275469,"variance":1.4691403958119789,"difficulty":-358,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.855592172302124,"irt_users":529,"is_experimental":true},"abc039_b":{"slope":-0.000861755667999587,"intercept":6.360094677966147,"variance":0.6040617287247858,"difficulty":-54,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.88170638719514,"irt_users":529,"is_experimental":true},"abc039_c":{"slope":-0.0009730490666797064,"intercept":8.366033642089036,"variance":0.40884181908207134,"difficulty":524,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.08957608437316,"irt_users":529,"is_experimental":true},"abc039_d":{"slope":-0.0010303237239036175,"intercept":8.941953095453863,"variance":0.26191799850447334,"difficulty":1039,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.29778438725808,"irt_users":529,"is_experimental":true},"abc040_a":{"slope":-0.001314086635752362,"intercept":7.471988833007215,"variance":1.1176801038875044,"difficulty":-186,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.05948511055924,"irt_users":540,"is_experimental":true},"abc040_b":{"slope":-0.0014873625477211073,"intercept":8.392833768323195,"variance":0.5189571237707422,"difficulty":640,"discrimination":0.004479398673070138,"irt_loglikelihood":-223.70777873726732,"irt_users":540,"is_experimental":true},"abc040_c":{"slope":-0.001484754424840555,"intercept":8.592356682203771,"variance":0.4487519173592409,"difficulty":896,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.33626836440848,"irt_users":540,"is_experimental":true},"abc040_d":{"slope":-0.0014694941285030593,"intercept":10.117217120661563,"variance":0.4293436642689397,"difficulty":1656,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.33300478120971,"irt_users":540,"is_experimental":true},"arc056_a":{"slope":-0.0012271118539993596,"intercept":8.379507131345711,"variance":0.6320247166471453,"difficulty":580,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.19821851793165,"irt_users":469,"is_experimental":true},"arc056_b":{"slope":-0.0009932099923357545,"intercept":9.157199725580133,"variance":0.4239650974041359,"difficulty":1726,"discrimination":0.004479398673070138,"irt_loglikelihood":-127.28435542696835,"irt_users":469,"is_experimental":true},"arc056_c":{"difficulty":2179,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.690019490635876,"irt_users":469,"is_experimental":true,"slope":-0.0011237375036108825,"intercept":9.858910109055238,"variance":0.3177393395984299},"arc056_d":{"difficulty":2870,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.041914752702688,"irt_users":469,"is_experimental":true,"slope":-0.00018986910358380948,"intercept":8.283578542271165,"variance":0.19348408582735055},"abc041_a":{"slope":-0.0010865984024996023,"intercept":6.691432032779537,"variance":1.667613593367386,"difficulty":-238,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.81096417737939,"irt_users":517,"is_experimental":true},"abc041_b":{"slope":-0.0016148301252656623,"intercept":7.452443340162835,"variance":0.6270755053557904,"difficulty":385,"discrimination":0.004479398673070138,"irt_loglikelihood":-155.14276222965455,"irt_users":517,"is_experimental":true},"abc041_c":{"slope":-0.0015038050656186262,"intercept":7.995468235378232,"variance":0.6060193109651262,"difficulty":629,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.58752166106098,"irt_users":517,"is_experimental":true},"abc041_d":{"slope":-0.0014648310175670474,"intercept":9.742385600590769,"variance":0.5085292285200709,"difficulty":1670,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.61853986691187,"irt_users":517,"is_experimental":true},"arc057_a":{"slope":-0.0010709139560101351,"intercept":8.343551414675268,"variance":0.6038588205515804,"difficulty":527,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.29358467420278,"irt_users":407,"is_experimental":true},"arc057_b":{"difficulty":2220,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.81897122266795,"irt_users":407,"is_experimental":true,"slope":-0.0005675601024309376,"intercept":9.238312550447693,"variance":0.21734852797468712},"arc057_c":{"difficulty":2547,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.280331899869633,"irt_users":407,"is_experimental":true,"slope":-0.000329871324611151,"intercept":8.723067690534512,"variance":0.2861683106951775},"arc057_d":{"difficulty":3019,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.5065912491252,"irt_users":407,"is_experimental":true},"abc144_a":{"slope":-0.000840730841125629,"intercept":5.980990790040191,"variance":0.8086774923733636,"difficulty":-913,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.00595439675834,"irt_users":4791,"is_experimental":false},"abc144_b":{"slope":-0.001070186951484291,"intercept":6.431386682889157,"variance":0.5136448239509598,"difficulty":-597,"discrimination":0.004479398673070138,"irt_loglikelihood":-523.9169093987013,"irt_users":4791,"is_experimental":false},"abc144_c":{"slope":-0.00123009253986568,"intercept":7.558420506281772,"variance":0.5643138055276248,"difficulty":311,"discrimination":0.004479398673070138,"irt_loglikelihood":-2118.160803787692,"irt_users":4903,"is_experimental":false},"abc144_d":{"slope":-0.0005534539571159175,"intercept":8.120407629264246,"variance":0.2790932530271966,"difficulty":714,"discrimination":0.004479398673070138,"irt_loglikelihood":-2821.5060715929035,"irt_users":4903,"is_experimental":false},"abc144_e":{"slope":-0.0007930362183050499,"intercept":8.67501980502245,"variance":0.3379336675708334,"difficulty":1449,"discrimination":0.004479398673070138,"irt_loglikelihood":-965.7713914859426,"irt_users":4903,"is_experimental":false},"abc144_f":{"slope":-0.0004030513674697798,"intercept":8.430652209782437,"variance":0.22702085126757549,"difficulty":2189,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.59127742846255,"irt_users":4903,"is_experimental":false},"agc040_a":{"slope":-0.0009876898202370488,"intercept":8.865640587116923,"variance":0.35955289698430093,"difficulty":443,"discrimination":0.004479398673070138,"irt_loglikelihood":-517.3579388957215,"irt_users":1713,"is_experimental":false},"agc040_b":{"slope":-0.0006110268503772822,"intercept":9.410425957715406,"variance":0.2842314875949441,"difficulty":1722,"discrimination":0.004479398673070138,"irt_loglikelihood":-582.8737937984074,"irt_users":1713,"is_experimental":false},"agc040_c":{"slope":-0.0004109677075877146,"intercept":9.082996553562007,"variance":0.3567699716409481,"difficulty":2740,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.73658886381173,"irt_users":1713,"is_experimental":false},"agc040_d":{"difficulty":3452,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.81134388493871,"irt_users":1713,"is_experimental":false,"slope":-0.00038896753452724223,"intercept":9.518725570412423,"variance":0.1365131959784309},"agc040_e":{"difficulty":3690,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.79900785061356,"irt_users":1713,"is_experimental":false,"slope":-0.000197875698681324,"intercept":9.233419493192267,"variance":0.12056735522306554},"agc040_f":{"is_experimental":false},"nikkei2019_2_qual_a":{"slope":-0.0008785580655216669,"intercept":6.452378960655464,"variance":0.8745447720828193,"difficulty":-669,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.67193779210064,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_b":{"slope":-0.0012477308319624786,"intercept":9.110475767574622,"variance":0.4093817669357862,"difficulty":841,"discrimination":0.004479398673070138,"irt_loglikelihood":-1345.4051645181642,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_c":{"slope":-0.0007352063201480418,"intercept":9.194722682602546,"variance":0.26700120191316634,"difficulty":2136,"discrimination":0.004479398673070138,"irt_loglikelihood":-510.2481181197596,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_d":{"slope":-0.0007681958478561743,"intercept":9.20881987941958,"variance":0.3326029026911543,"difficulty":1647,"discrimination":0.004479398673070138,"irt_loglikelihood":-742.1807818079657,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_e":{"slope":-0.0005393528109091023,"intercept":9.022856658194726,"variance":0.23515005713776513,"difficulty":2257,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.8807974378912,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_f":{"difficulty":3805,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.826415009640091,"irt_users":3233,"is_experimental":false},"abc145_a":{"slope":-0.0009571082443333422,"intercept":5.565234254193636,"variance":1.1121653138376082,"difficulty":-1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.39860083408288,"irt_users":4560,"is_experimental":false},"abc145_b":{"slope":-0.0010373783560991476,"intercept":6.60509396076202,"variance":0.419546991948872,"difficulty":-436,"discrimination":0.004479398673070138,"irt_loglikelihood":-656.0404318881554,"irt_users":4560,"is_experimental":false},"abc145_c":{"slope":-0.001090767533747389,"intercept":8.076393238085737,"variance":0.34788661504218443,"difficulty":335,"discrimination":0.004479398673070138,"irt_loglikelihood":-1974.7436335710258,"irt_users":4670,"is_experimental":false},"abc145_d":{"slope":-0.001198804041907372,"intercept":8.813115981335516,"variance":0.4158914993437456,"difficulty":1009,"discrimination":0.004479398673070138,"irt_loglikelihood":-1578.3945819573048,"irt_users":4670,"is_experimental":false},"abc145_e":{"slope":-0.0008109865844507564,"intercept":8.857366671954843,"variance":0.35175707331208905,"difficulty":1528,"discrimination":0.004479398673070138,"irt_loglikelihood":-870.7572476865861,"irt_users":4670,"is_experimental":false},"abc145_f":{"slope":-0.0006702338017429179,"intercept":8.944572666039024,"variance":0.2513615276219899,"difficulty":2116,"discrimination":0.004479398673070138,"irt_loglikelihood":-281.03125298021575,"irt_users":4670,"is_experimental":false},"ddcc2020_qual_a":{"slope":-0.000720778040633068,"intercept":6.4858901933737885,"variance":0.6095848176990776,"difficulty":-682,"discrimination":0.004479398673070138,"irt_loglikelihood":-224.62980562227386,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_b":{"slope":-0.0011302088731151762,"intercept":7.984224541047914,"variance":0.45786507471911764,"difficulty":350,"discrimination":0.004479398673070138,"irt_loglikelihood":-910.1598974548187,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_c":{"slope":-0.0008351431454269093,"intercept":8.633836009380968,"variance":0.22460590086794627,"difficulty":935,"discrimination":0.004479398673070138,"irt_loglikelihood":-1076.652532808056,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_d":{"slope":-0.000765357544288793,"intercept":8.84073806289884,"variance":0.36264228214787386,"difficulty":1617,"discrimination":0.004479398673070138,"irt_loglikelihood":-878.8029992898672,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_e":{"slope":-0.00023647788661881894,"intercept":8.392668158743492,"variance":0.195547598805279,"difficulty":2436,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.86998826428646,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_f":{"difficulty":2992,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.72974473995605,"irt_users":2873,"is_experimental":false,"slope":-0.0004768139833706108,"intercept":9.023636889253616,"variance":0.22381412618874466},"abc146_a":{"slope":-0.0007133729051181354,"intercept":6.319460185019818,"variance":0.6547031844500554,"difficulty":-805,"discrimination":0.004479398673070138,"irt_loglikelihood":-356.60392615261316,"irt_users":4472,"is_experimental":false},"abc146_b":{"slope":-0.001164653392520988,"intercept":7.081871815716258,"variance":0.44931770592903203,"difficulty":-265,"discrimination":0.004479398673070138,"irt_loglikelihood":-814.0824508161375,"irt_users":4472,"is_experimental":false},"abc146_c":{"slope":-0.0011897347502221125,"intercept":8.496132242246976,"variance":0.5615574043069557,"difficulty":741,"discrimination":0.004479398673070138,"irt_loglikelihood":-1965.071417042242,"irt_users":4587,"is_experimental":false},"abc146_d":{"slope":-0.000993391843961377,"intercept":8.661706553405155,"variance":0.33551574826906744,"difficulty":1192,"discrimination":0.004479398673070138,"irt_loglikelihood":-1291.4631574204432,"irt_users":4587,"is_experimental":false},"abc146_e":{"slope":-0.0009050304165103343,"intercept":9.000382073074343,"variance":0.30841415105564357,"difficulty":1762,"discrimination":0.004479398673070138,"irt_loglikelihood":-588.9066674665621,"irt_users":4587,"is_experimental":false},"abc146_f":{"slope":-0.0005785746626644144,"intercept":8.293245042155473,"variance":0.33930069434519455,"difficulty":1545,"discrimination":0.004479398673070138,"irt_loglikelihood":-863.662532009774,"irt_users":4587,"is_experimental":false},"sumitb2019_a":{"slope":-0.0008349480596300734,"intercept":6.100376671565425,"variance":0.7226067342654886,"difficulty":-768,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.50520420435947,"irt_users":3700,"is_experimental":false},"sumitb2019_b":{"slope":-0.001078896566044576,"intercept":7.273883869361973,"variance":0.4092521671732377,"difficulty":-139,"discrimination":0.004479398673070138,"irt_loglikelihood":-752.7020056488129,"irt_users":3700,"is_experimental":false},"sumitb2019_c":{"slope":-0.0010889470880181408,"intercept":7.5844410430997895,"variance":0.5441456289581711,"difficulty":216,"discrimination":0.004479398673070138,"irt_loglikelihood":-1209.868476313402,"irt_users":3700,"is_experimental":false},"sumitb2019_d":{"slope":-0.0012305351342513195,"intercept":8.625945408415795,"variance":0.3296328684502066,"difficulty":838,"discrimination":0.004479398673070138,"irt_loglikelihood":-1313.7097777805536,"irt_users":3700,"is_experimental":false},"sumitb2019_e":{"slope":-0.0008185017023765574,"intercept":8.177357288662275,"variance":0.4310503500787095,"difficulty":1176,"discrimination":0.004479398673070138,"irt_loglikelihood":-1199.4676751404102,"irt_users":3700,"is_experimental":false},"sumitb2019_f":{"slope":-0.0005223015098911721,"intercept":8.49744582285114,"variance":0.24558947221345268,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-940.2431294516758,"irt_users":3700,"is_experimental":false},"abc147_a":{"slope":-0.0008284345449331754,"intercept":5.782141461269094,"variance":0.9985634514943321,"difficulty":-966,"discrimination":0.004479398673070138,"irt_loglikelihood":-269.8742223620856,"irt_users":4582,"is_experimental":false},"abc147_b":{"slope":-0.001077236179024082,"intercept":6.568576142865093,"variance":0.41120241282417896,"difficulty":-481,"discrimination":0.004479398673070138,"irt_loglikelihood":-613.0439496186481,"irt_users":4582,"is_experimental":false},"abc147_c":{"slope":-0.0012374174356697444,"intercept":8.909593647697397,"variance":0.29568934744572745,"difficulty":977,"discrimination":0.004479398673070138,"irt_loglikelihood":-1671.293931370464,"irt_users":4703,"is_experimental":false},"abc147_d":{"slope":-0.0011964060652715032,"intercept":8.96591417698173,"variance":0.48576456192780754,"difficulty":1205,"discrimination":0.004479398673070138,"irt_loglikelihood":-1254.434118393929,"irt_users":4703,"is_experimental":false},"abc147_e":{"slope":-0.0007423563822790224,"intercept":8.790544613851921,"variance":0.3336906706089419,"difficulty":1713,"discrimination":0.004479398673070138,"irt_loglikelihood":-651.2893697745278,"irt_users":4703,"is_experimental":false},"abc147_f":{"slope":-0.00034455080995416044,"intercept":8.809686048515172,"variance":0.1650285694366174,"difficulty":2393,"discrimination":0.004479398673070138,"irt_loglikelihood":-168.15987766693019,"irt_users":4703,"is_experimental":false},"abc148_a":{"slope":-0.0009678325867773653,"intercept":6.07351061974133,"variance":0.8540313759525214,"difficulty":-1054,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.01638464571647,"irt_users":4526,"is_experimental":false},"abc148_b":{"slope":-0.0009213486220050118,"intercept":5.9634648386549465,"variance":0.40887939711750443,"difficulty":-640,"discrimination":0.004479398673070138,"irt_loglikelihood":-378.9743540298922,"irt_users":4526,"is_experimental":false},"abc148_c":{"slope":-0.0012395146573054507,"intercept":6.697688618882777,"variance":0.6332681979757745,"difficulty":-341,"discrimination":0.004479398673070138,"irt_loglikelihood":-772.5210118808426,"irt_users":4648,"is_experimental":false},"abc148_d":{"slope":-0.0009419944220348485,"intercept":7.121069092048773,"variance":0.42539889752114285,"difficulty":85,"discrimination":0.004479398673070138,"irt_loglikelihood":-1378.4865489245904,"irt_users":4648,"is_experimental":false},"abc148_e":{"slope":-0.000988466273636123,"intercept":8.212594885719458,"variance":0.5741279207680171,"difficulty":818,"discrimination":0.004479398673070138,"irt_loglikelihood":-2069.4830502000395,"irt_users":4648,"is_experimental":false},"abc148_f":{"slope":-0.0005469890769823444,"intercept":8.58220111455557,"variance":0.2760246255664111,"difficulty":1457,"discrimination":0.004479398673070138,"irt_loglikelihood":-1019.1319403269023,"irt_users":4648,"is_experimental":false},"agc041_a":{"slope":-0.0008360213771960839,"intercept":8.380533833910375,"variance":0.4346983413257064,"difficulty":245,"discrimination":0.004479398673070138,"irt_loglikelihood":-1050.0296843691883,"irt_users":2950,"is_experimental":false},"agc041_b":{"slope":-0.0007381944384081519,"intercept":9.306019218196685,"variance":0.27955547045390455,"difficulty":1486,"discrimination":0.004479398673070138,"irt_loglikelihood":-1026.7581088254071,"irt_users":2950,"is_experimental":false},"agc041_c":{"slope":-0.0004818629985365777,"intercept":9.384606429594353,"variance":0.16458794335585064,"difficulty":2220,"discrimination":0.004479398673070138,"irt_loglikelihood":-491.3527833658752,"irt_users":2950,"is_experimental":false},"agc041_d":{"difficulty":3096,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.66465144250324,"irt_users":2950,"is_experimental":false,"slope":-0.00029266054028745364,"intercept":9.007599075066366,"variance":0.2940324190834259},"agc041_e":{"difficulty":3502,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.35646508470856,"irt_users":2950,"is_experimental":false,"slope":-0.000530271025810505,"intercept":10.011019635933696,"variance":0.06575904485076782},"agc041_f":{"difficulty":3893,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.552197624144222,"irt_users":2950,"is_experimental":false},"abc149_a":{"slope":-0.0011087152474447718,"intercept":6.18338320145248,"variance":1.8831226741840503,"is_experimental":false},"abc149_b":{"slope":-0.0010459472529682596,"intercept":7.082068892858122,"variance":0.5729818969868146,"is_experimental":false},"abc149_c":{"slope":-0.0010617411867223498,"intercept":7.182956455030736,"variance":0.6133588740869061,"difficulty":62,"discrimination":0.004479398673070138,"irt_loglikelihood":-850.6749636899207,"irt_users":3250,"is_experimental":false},"abc149_d":{"slope":-0.0006839846105781285,"intercept":7.994312788980435,"variance":0.34257233366703477,"difficulty":719,"discrimination":0.004479398673070138,"irt_loglikelihood":-1533.0592436418183,"irt_users":3250,"is_experimental":false},"abc149_e":{"slope":-0.0008798555921252627,"intercept":9.306901011372883,"variance":0.27689077125055583,"difficulty":1905,"discrimination":0.004479398673070138,"irt_loglikelihood":-428.1867290182391,"irt_users":3250,"is_experimental":false},"abc149_f":{"slope":-0.0007060158578924275,"intercept":8.936457521377319,"variance":0.3148567483404098,"difficulty":2208,"discrimination":0.004479398673070138,"irt_loglikelihood":-224.7071136749039,"irt_users":3250,"is_experimental":false},"abc150_a":{"slope":-0.0005855070910606319,"intercept":6.448505273570648,"variance":0.7611545712617895,"is_experimental":false},"abc150_b":{"slope":-0.000648262791650527,"intercept":6.181669755212258,"variance":0.6262960426232528,"is_experimental":false},"abc150_c":{"slope":-0.000998516002580279,"intercept":7.753557766608325,"variance":0.5182139710871642,"difficulty":422,"discrimination":0.004479398673070138,"irt_loglikelihood":-1562.430129529137,"irt_users":3504,"is_experimental":false},"abc150_d":{"slope":-0.0008121466964425388,"intercept":8.900695025843175,"variance":0.35031858611845856,"difficulty":1534,"discrimination":0.004479398673070138,"irt_loglikelihood":-1100.6486305471376,"irt_users":3504,"is_experimental":false},"abc150_e":{"slope":-0.0007771349999611062,"intercept":9.083085683623864,"variance":0.26410634087206203,"difficulty":1851,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.3533278762618,"irt_users":3504,"is_experimental":false},"abc150_f":{"slope":-0.0006974331473526686,"intercept":9.100239405650356,"variance":0.26516288058089893,"difficulty":2281,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.98947848537352,"irt_users":3504,"is_experimental":false},"dwacon6th_prelims_a":{"slope":-0.0008310037431772605,"intercept":6.914579278109052,"variance":0.5828453353314895,"difficulty":-709,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.50630348262999,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_b":{"slope":-0.0008964546910091957,"intercept":9.55248296690957,"variance":0.3665774175167824,"difficulty":1685,"discrimination":0.004479398673070138,"irt_loglikelihood":-669.5779964482763,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_c":{"slope":-0.0010452079149110057,"intercept":9.969893132204245,"variance":0.35342584669231075,"difficulty":2618,"discrimination":0.004479398673070138,"irt_loglikelihood":-138.93046271823812,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_d":{"slope":-0.0003902273371573504,"intercept":9.139880167177887,"variance":0.1457520258226686,"difficulty":2589,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.8475975055884,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_e":{"difficulty":3012,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.058287516333806,"irt_users":2567,"is_experimental":false,"slope":-0.0005645078359997863,"intercept":9.591306344533322,"variance":0.13064838582904525},"abc151_a":{"slope":-0.0010497053695429806,"intercept":6.017776683425842,"variance":0.9585284377408154,"difficulty":-966,"discrimination":0.004479398673070138,"irt_loglikelihood":-269.06875892736315,"irt_users":4856,"is_experimental":false},"abc151_b":{"slope":-0.0009194393741624313,"intercept":6.738822466869702,"variance":0.36209191015952397,"difficulty":-525,"discrimination":0.004479398673070138,"irt_loglikelihood":-598.5668270941401,"irt_users":4856,"is_experimental":false},"abc151_c":{"slope":-0.0010645636574354493,"intercept":7.980488416014109,"variance":0.4311189149018801,"difficulty":327,"discrimination":0.004479398673070138,"irt_loglikelihood":-1936.0683166269034,"irt_users":4985,"is_experimental":false},"abc151_d":{"slope":-0.0009813191336627697,"intercept":8.54883300180488,"variance":0.3406594108265734,"difficulty":959,"discrimination":0.004479398673070138,"irt_loglikelihood":-1950.8673153691007,"irt_users":4985,"is_experimental":false},"abc151_e":{"slope":-0.0010008419580656393,"intercept":8.693416987888515,"variance":0.427772861832576,"difficulty":1344,"discrimination":0.004479398673070138,"irt_loglikelihood":-1235.0661202519598,"irt_users":4985,"is_experimental":false},"abc151_f":{"slope":-0.0002397056022587341,"intercept":7.732779670002372,"variance":0.7639369345141285,"difficulty":1671,"discrimination":0.004479398673070138,"irt_loglikelihood":-1035.1450897433936,"irt_users":4985,"is_experimental":false},"keyence2020_a":{"slope":-0.0009193015823818895,"intercept":6.591926658145002,"variance":0.639966793527074,"difficulty":-808,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.20146738299417,"irt_users":3560,"is_experimental":false},"keyence2020_b":{"slope":-0.0009606131148575933,"intercept":8.319156623057637,"variance":0.5098189867539082,"difficulty":889,"discrimination":0.004479398673070138,"irt_loglikelihood":-1629.67676072607,"irt_users":3560,"is_experimental":false},"keyence2020_c":{"slope":-0.0011026444852838488,"intercept":8.459921609201496,"variance":0.511455270785318,"difficulty":625,"discrimination":0.004479398673070138,"irt_loglikelihood":-1263.1407432416381,"irt_users":3560,"is_experimental":false},"keyence2020_d":{"slope":-0.0009116728708131412,"intercept":9.715403501491567,"variance":0.21995120019332415,"difficulty":1841,"discrimination":0.004479398673070138,"irt_loglikelihood":-592.431427530378,"irt_users":3560,"is_experimental":false},"keyence2020_e":{"slope":-0.00039889371856869656,"intercept":8.854784869002403,"variance":0.14527575371631204,"difficulty":2340,"discrimination":0.004479398673070138,"irt_loglikelihood":-281.47818189840683,"irt_users":3560,"is_experimental":false},"keyence2020_f":{"difficulty":3402,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.58139101947945,"irt_users":3560,"is_experimental":false,"slope":-0.0005449315825506862,"intercept":9.971648064655708,"variance":0.07216165018345506},"abc152_a":{"slope":-0.0008755192526405828,"intercept":5.772197178834136,"variance":1.1197316989883876,"difficulty":-1089,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.94313818185276,"irt_users":5174,"is_experimental":false},"abc152_b":{"slope":-0.0008691881771002441,"intercept":6.131006273400536,"variance":0.43761798057646006,"difficulty":-705,"discrimination":0.004479398673070138,"irt_loglikelihood":-485.0487152192333,"irt_users":5174,"is_experimental":false},"abc152_c":{"slope":-0.0012357669087624686,"intercept":7.430776127481966,"variance":0.5072227682280037,"difficulty":59,"discrimination":0.004479398673070138,"irt_loglikelihood":-1594.3165320945145,"irt_users":5295,"is_experimental":false},"abc152_d":{"slope":-0.0011264271680861031,"intercept":8.651406242502143,"variance":0.5164706162384222,"difficulty":1045,"discrimination":0.004479398673070138,"irt_loglikelihood":-1928.9739334893936,"irt_users":5295,"is_experimental":false},"abc152_e":{"slope":-0.0005998652548611042,"intercept":8.2914820867897,"variance":0.46628716547623145,"difficulty":1348,"discrimination":0.004479398673070138,"irt_loglikelihood":-1585.681341582929,"irt_users":5295,"is_experimental":false},"abc152_f":{"slope":-0.0005733282005988467,"intercept":8.708491991132483,"variance":0.2819753086227203,"difficulty":1965,"discrimination":0.004479398673070138,"irt_loglikelihood":-432.9095776273061,"irt_users":5295,"is_experimental":false},"abc153_a":{"slope":-0.001000509417635157,"intercept":6.01150212564263,"variance":0.7909748905998241,"difficulty":-940,"discrimination":0.004479398673070138,"irt_loglikelihood":-304.25857600266437,"irt_users":5306,"is_experimental":false},"abc153_b":{"slope":-0.0008414033092155056,"intercept":6.047947738900184,"variance":0.37422978208657903,"difficulty":-670,"discrimination":0.004479398673070138,"irt_loglikelihood":-520.0987762072943,"irt_users":5306,"is_experimental":false},"abc153_c":{"slope":-0.0009466049784853072,"intercept":6.6615838855696206,"variance":0.40525810026673964,"difficulty":-305,"discrimination":0.004479398673070138,"irt_loglikelihood":-1034.4280730236437,"irt_users":5456,"is_experimental":false},"abc153_d":{"slope":-0.0010775270864862739,"intercept":7.311440581552611,"variance":0.3984366646075404,"difficulty":-52,"discrimination":0.004479398673070138,"irt_loglikelihood":-1354.6116039461065,"irt_users":5456,"is_experimental":false},"abc153_e":{"slope":-0.0010484748432389769,"intercept":8.424733148832175,"variance":0.5557149817986985,"difficulty":1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.7153605338785,"irt_users":5456,"is_experimental":false},"abc153_f":{"slope":-0.000848928362193856,"intercept":8.730204638590587,"variance":0.34073547884541766,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-1083.826665386006,"irt_users":5456,"is_experimental":false},"abc154_a":{"slope":-0.0008864602237564547,"intercept":6.208895635047014,"variance":0.6111913260713885,"difficulty":-937,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.4852501181431,"irt_users":5263,"is_experimental":false},"abc154_b":{"slope":-0.0009245704600744174,"intercept":5.452700168383354,"variance":0.5068355729328295,"difficulty":-915,"discrimination":0.004479398673070138,"irt_loglikelihood":-278.7190158587328,"irt_users":5263,"is_experimental":false},"abc154_c":{"slope":-0.0011356930343615255,"intercept":6.547604177318609,"variance":0.719237967677668,"difficulty":-333,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.5002514966187,"irt_users":5392,"is_experimental":false},"abc154_d":{"slope":-0.0013040868969824023,"intercept":8.351365140886514,"variance":0.4020666045019067,"difficulty":485,"discrimination":0.004479398673070138,"irt_loglikelihood":-2061.1958691973323,"irt_users":5392,"is_experimental":false},"abc154_e":{"slope":-0.0006666205843087251,"intercept":8.50911823841687,"variance":0.4390912993505023,"difficulty":1298,"discrimination":0.004479398673070138,"irt_loglikelihood":-1336.637076121236,"irt_users":5392,"is_experimental":false},"abc154_f":{"slope":-0.0007230435884840209,"intercept":8.78501629260621,"variance":0.3539003631863156,"difficulty":1775,"discrimination":0.004479398673070138,"irt_loglikelihood":-729.5909676848985,"irt_users":5392,"is_experimental":false},"abc155_a":{"slope":-0.0008883058324163492,"intercept":6.350616531854304,"variance":0.7163636287927637,"difficulty":-951,"discrimination":0.004479398673070138,"irt_loglikelihood":-394.66943313437946,"irt_users":5831,"is_experimental":false},"abc155_b":{"slope":-0.0008663624238705575,"intercept":6.40128700720694,"variance":0.3661377542632724,"difficulty":-629,"discrimination":0.004479398673070138,"irt_loglikelihood":-732.4792396596803,"irt_users":5831,"is_experimental":false},"abc155_c":{"slope":-0.0011713660641173506,"intercept":7.57748949105799,"variance":0.5823783137640993,"difficulty":189,"discrimination":0.004479398673070138,"irt_loglikelihood":-2448.0909379652203,"irt_users":5971,"is_experimental":false},"abc155_d":{"slope":-0.0005793348541928003,"intercept":8.892901245739845,"variance":0.29503083576138206,"difficulty":1845,"discrimination":0.004479398673070138,"irt_loglikelihood":-704.3224292414722,"irt_users":5971,"is_experimental":false},"abc155_e":{"slope":-0.0007040130762368913,"intercept":8.863152671332962,"variance":0.27893666260145406,"difficulty":1569,"discrimination":0.004479398673070138,"irt_loglikelihood":-1452.84635596948,"irt_users":5971,"is_experimental":false},"abc155_f":{"difficulty":2738,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.51143972561164,"irt_users":5971,"is_experimental":false,"slope":-0.00046726372461551846,"intercept":8.820531477958879,"variance":0.2707703132094761},"abc156_a":{"slope":-0.0006698122596089903,"intercept":6.104633335309426,"variance":0.5943935449739014,"difficulty":-1194,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.16062267555168,"irt_users":5021,"is_experimental":false},"abc156_b":{"slope":-0.001056301570038702,"intercept":6.49374214798497,"variance":0.6398349798740154,"difficulty":-466,"discrimination":0.004479398673070138,"irt_loglikelihood":-820.7936569631893,"irt_users":5021,"is_experimental":false},"abc156_c":{"slope":-0.0012168702209486618,"intercept":7.2120527987332785,"variance":0.42592412834713594,"difficulty":-221,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.9049032430496,"irt_users":5181,"is_experimental":false},"abc156_d":{"slope":-0.0013101910074239677,"intercept":8.860578883606864,"variance":0.4476046354698783,"difficulty":1014,"discrimination":0.004479398673070138,"irt_loglikelihood":-1590.5059059915907,"irt_users":5181,"is_experimental":false},"abc156_e":{"slope":-0.0008210613490460909,"intercept":8.862667113237812,"variance":0.29482236399623774,"difficulty":1514,"discrimination":0.004479398673070138,"irt_loglikelihood":-976.9696472366604,"irt_users":5181,"is_experimental":false},"abc156_f":{"slope":-0.0005061803215096564,"intercept":8.560714083923658,"variance":0.24015676134615746,"difficulty":2150,"discrimination":0.004479398673070138,"irt_loglikelihood":-418.89936426275705,"irt_users":5181,"is_experimental":false},"abc157_a":{"slope":-0.0010181176509799171,"intercept":5.71349141506358,"variance":1.0119935590160776,"difficulty":-1070,"discrimination":0.004479398673070138,"irt_loglikelihood":-368.9237295566826,"irt_users":5818,"is_experimental":false},"abc157_b":{"slope":-0.0009585851950429479,"intercept":7.536141788346586,"variance":0.3270356515050645,"difficulty":-128,"discrimination":0.004479398673070138,"irt_loglikelihood":-1822.8750864336546,"irt_users":5818,"is_experimental":false},"abc157_c":{"slope":-0.0009676801905357892,"intercept":8.407669853415552,"variance":0.35649376933149396,"difficulty":456,"discrimination":0.004479398673070138,"irt_loglikelihood":-2785.0040169718095,"irt_users":5940,"is_experimental":false},"abc157_d":{"slope":-0.001085570504825827,"intercept":8.722332747928455,"variance":0.27732747682061737,"difficulty":1208,"discrimination":0.004479398673070138,"irt_loglikelihood":-1375.3596965189254,"irt_users":5940,"is_experimental":false},"abc157_e":{"slope":-0.0006807334089448578,"intercept":8.215720154177138,"variance":0.4209201971917409,"difficulty":1443,"discrimination":0.004479398673070138,"irt_loglikelihood":-1034.269712640495,"irt_users":5940,"is_experimental":false},"abc157_f":{"slope":-0.00033395060753240683,"intercept":8.482208841322134,"variance":0.38919820895712864,"difficulty":2525,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.31119535650087,"irt_users":5940,"is_experimental":false},"abc158_a":{"slope":-0.000815352872473419,"intercept":6.203083525163867,"variance":0.6654143199050823,"difficulty":-895,"discrimination":0.004479398673070138,"irt_loglikelihood":-441.16757831176426,"irt_users":6258,"is_experimental":false},"abc158_b":{"slope":-0.0011070755077531122,"intercept":7.145407445387727,"variance":0.5635393111616036,"difficulty":-72,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.1322403035408,"irt_users":6258,"is_experimental":false},"abc158_c":{"slope":-0.0010845838933245405,"intercept":7.474964746136856,"variance":0.5950294096209238,"difficulty":66,"discrimination":0.004479398673070138,"irt_loglikelihood":-2189.3303680662393,"irt_users":6430,"is_experimental":false},"abc158_d":{"slope":-0.0010466897700507312,"intercept":8.302875490283135,"variance":0.3813745704990811,"difficulty":610,"discrimination":0.004479398673070138,"irt_loglikelihood":-2569.2985018997447,"irt_users":6430,"is_experimental":false},"abc158_e":{"slope":-0.0008569582923137582,"intercept":9.23402842121325,"variance":0.34667072749415967,"difficulty":1866,"discrimination":0.004479398673070138,"irt_loglikelihood":-704.809143850031,"irt_users":6430,"is_experimental":false},"abc158_f":{"slope":-0.0007412830494098676,"intercept":9.161107164384905,"variance":0.2356554753997893,"difficulty":2067,"discrimination":0.004479398673070138,"irt_loglikelihood":-397.09596573010396,"irt_users":6430,"is_experimental":false},"hitachi2020_a":{"slope":-0.0009437509716363263,"intercept":6.930785483867336,"variance":0.8266583899121699,"difficulty":-499,"discrimination":0.004479398673070138,"irt_loglikelihood":-628.7334681834812,"irt_users":4112,"is_experimental":false},"hitachi2020_b":{"slope":-0.0009449293865600721,"intercept":7.276194135436246,"variance":0.37839043320882265,"difficulty":-80,"discrimination":0.004479398673070138,"irt_loglikelihood":-1014.7106780285012,"irt_users":4112,"is_experimental":false},"hitachi2020_c":{"slope":-0.0009312482298906406,"intercept":9.956605506379312,"variance":0.2980405930786078,"difficulty":2013,"discrimination":0.004479398673070138,"irt_loglikelihood":-578.6956956349068,"irt_users":4112,"is_experimental":false},"hitachi2020_d":{"slope":-0.0007576211524515937,"intercept":9.951837029205935,"variance":0.2028638982399024,"difficulty":2547,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.4729323337155,"irt_users":4112,"is_experimental":false},"hitachi2020_e":{"slope":-0.0005199558720571912,"intercept":9.23224982900155,"variance":0.23393384246470872,"difficulty":2732,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.7815337186349,"irt_users":4112,"is_experimental":false},"hitachi2020_f":{"difficulty":3694,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.127956969901701,"irt_users":4112,"is_experimental":false},"tenka1_2012_qualA_1":{"slope":-0.0011216255842268897,"intercept":7.9082222667935875,"variance":0.6031553752300518,"difficulty":8,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.648395494799392,"irt_users":178,"is_experimental":true},"tenka1_2012_qualA_2":{"slope":-0.0011705792601419903,"intercept":7.8636207646181004,"variance":0.6157414695832283,"difficulty":414,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.88179335378014,"irt_users":178,"is_experimental":true},"tenka1_2012_qualA_3":{"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.448450525805136,"irt_users":178,"is_experimental":true,"slope":-0.0004663127164875774,"intercept":9.223302429290296,"variance":0.2721266394018195},"tenka1_2012_qualA_4":{"difficulty":3239,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.968127309932696,"irt_users":178,"is_experimental":true},"tenka1_2012_5":{"slope":-0.0009418088353242346,"intercept":7.446619914198665,"variance":1.2096537126165714,"difficulty":-126,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.32524652683522,"irt_users":141,"is_experimental":true},"tenka1_2012_6":{"slope":-0.0007999609298788635,"intercept":9.370693676258922,"variance":0.27075611193877996,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.75632495694985,"irt_users":141,"is_experimental":true},"tenka1_2012_7":{"difficulty":1936,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.37873715540739,"irt_users":141,"is_experimental":true,"slope":-0.0007276484832128466,"intercept":9.255182467984834,"variance":0.283368097453312},"tenka1_2012_8":{"difficulty":2830,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.102660334438411,"irt_users":141,"is_experimental":true},"tenka1_2012_9":{"slope":-0.001088743966789316,"intercept":7.632115856086032,"variance":0.8433606109467335,"difficulty":369,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.404168916715776,"irt_users":148,"is_experimental":true},"tenka1_2012_10":{"slope":-0.0010709484920154054,"intercept":9.235383924869472,"variance":0.20705177110801085,"difficulty":1080,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.23263161945954,"irt_users":148,"is_experimental":true},"tenka1_2012_11":{"is_experimental":true},"tenka1_2012_12":{"difficulty":3066,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.586280132152603,"irt_users":148,"is_experimental":true},"tenka1_2012_final_a":{"is_experimental":true,"slope":-0.0006007270318452068,"intercept":7.583752240884424,"variance":0.5146545538282293},"tenka1_2012_final_b":{"is_experimental":true,"slope":-0.00023040674720387416,"intercept":8.642540114164495,"variance":0.17635913262178335},"tenka1_2012_final_c":{"is_experimental":true},"tenka1_2012_final_d":{"is_experimental":true},"tenka1_2012_final_e":{"is_experimental":true},"digitalarts_1":{"slope":-0.0009357710554911251,"intercept":8.33874324761221,"variance":0.24954994195924812,"difficulty":808,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.49195489083507,"irt_users":171,"is_experimental":true},"digitalarts_2":{"slope":-0.0006288856113996644,"intercept":8.366480930864407,"variance":0.17947097881052335,"difficulty":1373,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.84949470303684,"irt_users":171,"is_experimental":true},"digitalarts_3":{"difficulty":2179,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.78499432003861,"irt_users":171,"is_experimental":true,"slope":-0.0000967567395873544,"intercept":7.592255735021723,"variance":0.12522975782254012},"tenka1_2013_qualA_a":{"slope":-0.0009635722527934084,"intercept":7.164885736379428,"variance":1.0141962791970032,"difficulty":-399,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.9388135107439215,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_b":{"slope":-0.0009305759188910021,"intercept":6.850854371657632,"variance":0.41329795847634315,"difficulty":223,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.09981660378444,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_c":{"slope":-0.00046566003863087325,"intercept":8.940559245453418,"variance":0.25167213038632985,"difficulty":1988,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.97376091438804,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_d":{"difficulty":2507,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.326889375024688,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_e":{"difficulty":2800,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.363224662961645,"irt_users":252,"is_experimental":true,"slope":-0.0006697354572175419,"intercept":9.342871725447136,"variance":0.04860180182261442},"tenka1_2013_qualB_a":{"slope":-0.0010856131656984272,"intercept":7.577446477285103,"variance":1.2284456221822122,"difficulty":147,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.18425945341117,"irt_users":185,"is_experimental":true},"tenka1_2013_qualB_b":{"slope":-0.0010572110870507244,"intercept":9.212269755365488,"variance":0.34681645885404483,"difficulty":1286,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.67801907554728,"irt_users":185,"is_experimental":true},"tenka1_2013_qualB_c":{"difficulty":2613,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.96213562156205,"irt_users":185,"is_experimental":true},"tenka1_2013_qualB_e":{"difficulty":2217,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.68066954577892,"irt_users":185,"is_experimental":true,"slope":-0.0003077030558662321,"intercept":8.57321763026746,"variance":0.22806440401314218},"tenka1_2013_final_a":{"is_experimental":true,"slope":-0.0016554330998052647,"intercept":11.227363898617199,"variance":0.38248398748921625},"tenka1_2013_final_b":{"is_experimental":true},"tenka1_2013_final_c":{"is_experimental":true},"tenka1_2013_final_d":{"is_experimental":true},"tenka1_2013_final_e":{"is_experimental":true},"tenka1_2014_qualA_a":{"slope":-0.0013579757337294667,"intercept":7.907560025817259,"variance":0.9029103847696122,"difficulty":344,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.05334197360241,"irt_users":373,"is_experimental":true},"tenka1_2014_qualA_b":{"slope":-0.0008032657626752444,"intercept":9.24003337698194,"variance":0.2598309729197835,"difficulty":1576,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.44719946124755,"irt_users":373,"is_experimental":true},"tenka1_2014_qualA_c":{"slope":-0.0011729759478475018,"intercept":9.852289312866011,"variance":0.30901022702160674,"difficulty":2024,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.92914927781565,"irt_users":373,"is_experimental":true},"tenka1_2014_qualA_d":{"difficulty":2341,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.48424965187087,"irt_users":373,"is_experimental":true,"slope":-0.0005943112614607083,"intercept":9.236729443151724,"variance":0.19212443357007847},"tenka1_2014_qualA_e":{"difficulty":2750,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.94927003473682,"irt_users":373,"is_experimental":true,"slope":-0.0008133095851188767,"intercept":9.967593096984237,"variance":0.08137280090963497},"code_formula_2014_qualA_a":{"slope":-0.0013135488421260662,"intercept":7.7621199956070965,"variance":1.015688984962847,"difficulty":87,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.06950819960147,"irt_users":263,"is_experimental":true},"code_formula_2014_qualA_b":{"slope":-0.0009557496498979474,"intercept":7.977781088168537,"variance":0.33457540564855875,"difficulty":308,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.90299840822109,"irt_users":263,"is_experimental":true},"code_formula_2014_qualA_c":{"slope":-0.001151648312679374,"intercept":9.889224000450774,"variance":0.2424210894877235,"difficulty":1610,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.553365986464,"irt_users":263,"is_experimental":true},"code_formula_2014_qualA_d":{"difficulty":2102,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.555934836820185,"irt_users":263,"is_experimental":true,"slope":-0.00047773045779912087,"intercept":8.891704742946336,"variance":0.3428609948992115},"tenka1_2014_qualB_a":{"slope":-0.0013344411434684463,"intercept":7.870542813026127,"variance":1.0532491674454973,"difficulty":-3,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.125556309050193,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_b":{"slope":-0.0015147511546456252,"intercept":9.486160590155722,"variance":0.32720809432494613,"difficulty":1258,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.41950540574923,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_c":{"slope":-0.0007074614383218213,"intercept":9.024201486620942,"variance":0.31708337637496126,"difficulty":2065,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.2720057635244,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_d":{"difficulty":2572,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.94223164440479,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_e":{"difficulty":3284,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.645894656732915,"irt_users":290,"is_experimental":true},"code_formula_2014_qualB_a":{"slope":-0.0006734721743471129,"intercept":5.588446720085132,"variance":1.7472300380103398,"difficulty":-278,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.592501291632768,"irt_users":235,"is_experimental":true},"code_formula_2014_qualB_b":{"slope":-0.0012501247060150665,"intercept":7.940803974542378,"variance":0.5350869421628905,"difficulty":603,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.62320185700305,"irt_users":235,"is_experimental":true},"code_formula_2014_qualB_c":{"slope":-0.0010883791233055999,"intercept":9.752122982368547,"variance":0.3575892443777335,"difficulty":1406,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.42585855703737,"irt_users":235,"is_experimental":true},"code_formula_2014_qualB_d":{"slope":-0.0005245863576192718,"intercept":8.695276031620597,"variance":0.31215561226896243,"difficulty":1939,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.32506756498775,"irt_users":235,"is_experimental":true},"tenka1_2014_final_a":{"is_experimental":true,"slope":-0.0005629009237459912,"intercept":8.546196858967397,"variance":0.2360600212558398},"tenka1_2014_final_b":{"is_experimental":true,"slope":-0.0009148021355634103,"intercept":9.803736366045387,"variance":0.29248378904900346},"tenka1_2014_final_c":{"is_experimental":true},"tenka1_2014_final_d":{"is_experimental":true,"slope":-0.0013019871077097809,"intercept":11.428442259172432,"variance":0.18961336416214014},"tenka1_2014_final_e":{"is_experimental":true},"code_festival_qualA_a":{"slope":-0.0009227249238321719,"intercept":6.014204500308331,"variance":1.4904223092244757,"is_experimental":true},"code_festival_qualA_b":{"slope":-0.0012595562221882134,"intercept":7.5049440926149344,"variance":0.5793004973782343,"difficulty":213,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.461232775977,"irt_users":401,"is_experimental":true},"code_festival_qualA_c":{"slope":-0.0014308801154586848,"intercept":8.623230983267003,"variance":0.6348262132108259,"difficulty":639,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.99743494500105,"irt_users":401,"is_experimental":true},"code_festival_qualA_d":{"slope":-0.0009540199853636598,"intercept":9.97737101260884,"variance":0.2531122902572304,"difficulty":1896,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.20051357912077,"irt_users":401,"is_experimental":true},"code_formula_2014_final_a":{"slope":-0.0009048414039275749,"intercept":5.595931760069897,"variance":0.8392349213305449,"is_experimental":true},"code_formula_2014_final_b":{"slope":-0.0007551446579269496,"intercept":6.332301339039685,"variance":0.366443720006919,"is_experimental":true},"code_formula_2014_final_c":{"slope":-0.0013171141574718783,"intercept":8.972603917438462,"variance":0.44935177462554393,"difficulty":666,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.695218812450722,"irt_users":94,"is_experimental":true},"code_formula_2014_final_d":{"difficulty":1902,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.415566535246054,"irt_users":94,"is_experimental":true,"slope":-0.000864644418470302,"intercept":9.664490916759933,"variance":0.22288667649926608},"code_formula_2014_final_e":{"difficulty":2092,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.84189827212331,"irt_users":94,"is_experimental":true,"slope":-0.00010985737977749908,"intercept":8.427994419075903,"variance":0.31270097689168996},"code_formula_2014_final_f":{"slope":-0.0005895808646765551,"intercept":9.13899310586915,"variance":0.2437717507265947,"difficulty":1447,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.36793349722112,"irt_users":94,"is_experimental":true},"code_formula_2014_final_g":{"difficulty":2588,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.395223733963164,"irt_users":94,"is_experimental":true,"slope":-0.0011717994290621925,"intercept":10.77354473079147,"variance":0.1798466151506404},"code_formula_2014_final_h":{"difficulty":2726,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.341485866752949,"irt_users":94,"is_experimental":true},"code_festival_qualB_a":{"slope":-0.000922052070445795,"intercept":6.075479412687338,"variance":1.439390005203515,"difficulty":-302,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.512880738057966,"irt_users":396,"is_experimental":true},"code_festival_qualB_b":{"slope":-0.0010458491446721438,"intercept":6.951551865659993,"variance":0.54412396275795,"difficulty":144,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.9018725372554,"irt_users":396,"is_experimental":true},"code_festival_qualB_c":{"slope":-0.000967137075378241,"intercept":8.943342929554495,"variance":0.43618269702994433,"difficulty":1298,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.47105877726773,"irt_users":396,"is_experimental":true},"code_festival_qualB_d":{"slope":-0.0013227408099015974,"intercept":9.967879717212728,"variance":0.3392451798002448,"difficulty":1651,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.14982978807146,"irt_users":396,"is_experimental":true},"code_festival_final_a":{"slope":-0.0005224194053830212,"intercept":5.673991284746016,"variance":1.0799685687302576,"is_experimental":true},"code_festival_final_b":{"slope":-0.0009234275982000535,"intercept":6.703636288240688,"variance":0.4746430791582561,"difficulty":230,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.999123295754661,"irt_users":198,"is_experimental":true},"code_festival_final_c":{"slope":-0.001543783488195168,"intercept":9.602923071241364,"variance":0.4198866577283556,"difficulty":685,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.42997042424857,"irt_users":198,"is_experimental":true},"code_festival_final_d":{"slope":-0.0011939936213382978,"intercept":8.877918191521957,"variance":0.8411132892123732,"difficulty":900,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.53086741717652,"irt_users":198,"is_experimental":true},"code_festival_final_e":{"slope":-0.001737690006067969,"intercept":10.147458093271174,"variance":0.5201260718227537,"difficulty":1017,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.90650197119607,"irt_users":198,"is_experimental":true},"code_festival_final_f":{"slope":-0.0006641278047234843,"intercept":9.765427642496187,"variance":0.2369954833097488,"difficulty":2023,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.93360590846117,"irt_users":198,"is_experimental":true},"code_festival_final_g":{"difficulty":3132,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.173518587390735,"irt_users":198,"is_experimental":true},"code_festival_final_h":{"difficulty":2535,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.35868953901964,"irt_users":198,"is_experimental":true},"code_festival_final_i":{"difficulty":2816,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.14082162499399,"irt_users":198,"is_experimental":true,"slope":-0.0005241838575412345,"intercept":9.899513450825966,"variance":0.019929071761179702},"code_festival_final_j":{"difficulty":3309,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.575726321842913,"irt_users":198,"is_experimental":true},"code_festival_exhibition_a":{"is_experimental":true},"code_festival_exhibition_b":{"is_experimental":true},"code_festival_morning_easy_a":{"slope":-0.001928145820533124,"intercept":8.764216587049615,"variance":0.8572255878484503,"difficulty":476,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.231162479484055,"irt_users":44,"is_experimental":true},"code_festival_morning_easy_b":{"slope":-0.000761542538644742,"intercept":7.559259394685429,"variance":0.6711116729592892,"difficulty":476,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.689761930304389,"irt_users":44,"is_experimental":true},"code_festival_morning_easy_c":{"slope":-0.0008982515757418235,"intercept":9.292955111508803,"variance":0.2724077755698045,"difficulty":1293,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.42021332971879,"irt_users":141,"is_experimental":true},"code_festival_morning_easy_d":{"difficulty":1999,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.22318726941236,"irt_users":141,"is_experimental":true,"slope":-0.00025097900369783855,"intercept":7.861486135693574,"variance":0.22728625831479488},"code_festival_morning_med_c":{"slope":-0.0010186449786027901,"intercept":9.69866651537622,"variance":0.6310614240153878,"difficulty":1983,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.06704947479219,"irt_users":150,"is_experimental":true},"code_festival_morning_med_d":{"difficulty":2073,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.40769600368955,"irt_users":150,"is_experimental":true,"slope":-0.0014245371312778111,"intercept":10.569405686604545,"variance":0.4178491896021123},"code_festival_morning_hard_c":{"difficulty":2521,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.642467683991505,"irt_users":53,"is_experimental":true,"slope":-0.0004300563960641576,"intercept":8.605812497370279,"variance":0.11979634823037658},"code_festival_morning_hard_d":{"difficulty":3303,"discrimination":0.004479398673070138,"irt_loglikelihood":-1.8632361667271657,"irt_users":53,"is_experimental":true},"dwango2015_prelims_1":{"slope":-0.0011363159569591427,"intercept":6.99763093884174,"variance":1.1717333162362116,"is_experimental":true},"dwango2015_prelims_2":{"slope":-0.0012602785554635463,"intercept":8.736072409980805,"variance":0.4416295178095837,"difficulty":831,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.29502978609341,"irt_users":353,"is_experimental":true},"dwango2015_prelims_3":{"slope":-0.0011453515883354198,"intercept":10.246499489742677,"variance":0.23441310574000238,"difficulty":1953,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.46083104189643,"irt_users":353,"is_experimental":true},"dwango2015_prelims_4":{"difficulty":2495,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.16255277255628,"irt_users":353,"is_experimental":true,"slope":-0.00025679975429163153,"intercept":8.569453018563754,"variance":0.2425709538468896},"dwango2015_prelims_5":{"difficulty":3342,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.835350575379048,"irt_users":353,"is_experimental":true},"donuts_2015_1":{"slope":-0.0009506813523662716,"intercept":7.4202343114356015,"variance":0.9027695364013187,"difficulty":248,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.6950782703605,"irt_users":254,"is_experimental":true},"donuts_2015_2":{"slope":-0.001204343424232647,"intercept":9.263775845417168,"variance":0.2602927836296816,"difficulty":1297,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.3197036892716,"irt_users":254,"is_experimental":true},"donuts_2015_3":{"slope":-0.000896168176855385,"intercept":8.465489778120391,"variance":0.372608100878584,"difficulty":1661,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.12675818052139,"irt_users":254,"is_experimental":true},"donuts_2015_4":{"difficulty":2383,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.373216559982815,"irt_users":254,"is_experimental":true,"slope":-0.00026979807433796923,"intercept":8.577640576381848,"variance":0.131670980134159},"dwango2015_finals_1":{"is_experimental":true,"slope":-0.001744701399335079,"intercept":11.48690383950378,"variance":0.21916157222896615},"dwango2015_finals_2":{"is_experimental":true,"slope":-0.00338130095864918,"intercept":17.30033847874104,"variance":0.2210166043588278},"dwango2015_finals_3":{"is_experimental":true,"slope":-0.00044563089036200675,"intercept":8.997783423908277,"variance":0.3440200458987755},"dwango2015_finals_4":{"is_experimental":true},"indeednow_2015_quala_1":{"slope":-0.0009891051537493551,"intercept":6.930626468924753,"variance":1.4300227736031283,"difficulty":-414,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.093105097048393,"irt_users":282,"is_experimental":true},"indeednow_2015_quala_2":{"slope":-0.0014921996881108624,"intercept":8.148900765801192,"variance":0.45453252523637033,"difficulty":204,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.41468890900189,"irt_users":282,"is_experimental":true},"indeednow_2015_quala_3":{"slope":-0.001152365408128129,"intercept":9.215394008054977,"variance":0.522804555330146,"difficulty":1200,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.87673036871752,"irt_users":282,"is_experimental":true},"indeednow_2015_quala_4":{"slope":-0.000964747275724485,"intercept":9.569127806545394,"variance":0.25802022926033175,"difficulty":1838,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.48278895050703,"irt_users":282,"is_experimental":true},"indeednow_2015_qualb_1":{"slope":-0.0007705983875410815,"intercept":6.835533291273076,"variance":1.2010911292714497,"difficulty":128,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.508104051877,"irt_users":297,"is_experimental":true},"indeednow_2015_qualb_2":{"slope":-0.0013476318321858011,"intercept":8.329830813020825,"variance":0.44123578694430465,"difficulty":491,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.88588630540443,"irt_users":297,"is_experimental":true},"indeednow_2015_qualc_3":{"slope":-0.001540430631317872,"intercept":9.395020512989792,"variance":0.3397563299393527,"difficulty":1246,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.60333906234916,"irt_users":297,"is_experimental":true},"indeednow_2015_qualb_4":{"slope":-0.001437757213392375,"intercept":9.784286697651611,"variance":0.39738157371989824,"difficulty":1445,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.68351879410325,"irt_users":297,"is_experimental":true},"tenka1_2015_qualA_a":{"slope":-0.0005917334822035266,"intercept":7.662064328516915,"variance":1.11428207523428,"difficulty":488,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.2276302549007,"irt_users":345,"is_experimental":true},"tenka1_2015_qualA_b":{"slope":-0.0005349568939421813,"intercept":8.982634751171272,"variance":0.33997784648841634,"difficulty":2115,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.0294170179237,"irt_users":345,"is_experimental":true},"tenka1_2015_qualA_c":{"slope":-0.0014536332676233768,"intercept":10.593694058545873,"variance":0.5330689909900614,"difficulty":2078,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.45057462639824,"irt_users":345,"is_experimental":true},"tenka1_2015_qualA_d":{"difficulty":2559,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.855452000476944,"irt_users":345,"is_experimental":true,"slope":-0.0007135665420569392,"intercept":9.928273415950038,"variance":0.12186947143967548},"tenka1_2015_qualA_e":{"difficulty":3359,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.575747452884072,"irt_users":345,"is_experimental":true},"tenka1_2015_qualB_a":{"slope":-0.00044167066738948744,"intercept":6.946950147517082,"variance":1.2301119055784067,"difficulty":445,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.34815082306078,"irt_users":272,"is_experimental":true},"tenka1_2015_qualB_b":{"slope":-0.00082015581245684,"intercept":8.5444427184538,"variance":0.5017436125636096,"difficulty":1269,"discrimination":0.004479398673070138,"irt_loglikelihood":-185.12658048209886,"irt_users":272,"is_experimental":true},"tenka1_2015_qualB_c":{"slope":-0.00043738657886180604,"intercept":8.96727537182861,"variance":0.1846781346503138,"difficulty":2087,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.93371980106686,"irt_users":272,"is_experimental":true},"tenka1_2015_qualB_d":{"difficulty":2798,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.197098549044934,"irt_users":272,"is_experimental":true,"slope":-0.00002594969750964174,"intercept":8.35458401352714,"variance":0.06638762461954686},"tenka1_2015_qualB_e":{"difficulty":3228,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.76762591431801,"irt_users":272,"is_experimental":true},"tenka1_2015_final_a":{"is_experimental":true,"slope":-0.0013914054126055973,"intercept":10.386173101822553,"variance":0.8925252953158483},"tenka1_2015_final_b":{"is_experimental":true},"tenka1_2015_final_c":{"is_experimental":true},"tenka1_2015_final_d":{"is_experimental":true},"tenka1_2015_final_e":{"is_experimental":true,"slope":-0.0003040840259089363,"intercept":8.622188125440477,"variance":0.19870158028981047},"tenka1_2015_final_f":{"is_experimental":true,"slope":-0.0007083770058395382,"intercept":9.519606629729342,"variance":0.23731176734153084},"tenka1_2015_final_g":{"is_experimental":true},"codefestival_2015_qualA_a":{"slope":-0.0011166546682962058,"intercept":6.7931825537703086,"variance":1.3132666886685957,"difficulty":-306,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.86909092492071,"irt_users":642,"is_experimental":true},"codefestival_2015_qualA_b":{"slope":-0.0012459797809430246,"intercept":7.54872834925539,"variance":0.4297419362141991,"difficulty":171,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.47243529911685,"irt_users":642,"is_experimental":true},"codefestival_2015_qualA_c":{"slope":-0.001269614603201319,"intercept":8.65245795026368,"variance":0.4931897481008056,"difficulty":745,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.9121509105637,"irt_users":642,"is_experimental":true},"codefestival_2015_qualA_d":{"slope":-0.001073153020781559,"intercept":10.164120928989497,"variance":0.31370014915958305,"difficulty":1723,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.43052627784388,"irt_users":642,"is_experimental":true},"codefestival_2015_qualB_a":{"slope":-0.001052870421338519,"intercept":6.572107222864016,"variance":1.2159291472938094,"difficulty":-314,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.39338415585017,"irt_users":618,"is_experimental":true},"codefestival_2015_qualB_b":{"slope":-0.0012149260681553352,"intercept":8.013567192531688,"variance":0.511252865894807,"difficulty":473,"discrimination":0.004479398673070138,"irt_loglikelihood":-167.70348653328128,"irt_users":618,"is_experimental":true},"codefestival_2015_qualB_c":{"slope":-0.0011419152945341055,"intercept":8.083237197269048,"variance":0.44444327390451466,"difficulty":645,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.547617758619,"irt_users":618,"is_experimental":true},"codefestival_2015_qualB_d":{"slope":-0.0006671727939304672,"intercept":9.32952329922421,"variance":0.3579583063632906,"difficulty":1965,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.22768374223614,"irt_users":618,"is_experimental":true},"codefestival_2015_ex_a":{"is_experimental":true},"codefestival_2015_ex_b":{"is_experimental":true},"cf_2015_morning_easy_a":{"slope":-0.00042500661383690515,"intercept":6.423369623043314,"variance":1.1150060940661153,"is_experimental":true},"cf_2015_morning_easy_b":{"slope":-0.0014313347931698226,"intercept":7.90802475261027,"variance":0.4500600581237574,"difficulty":429,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.401177874015678,"irt_users":88,"is_experimental":true},"cf_2015_morning_easy_c":{"slope":-0.0012257423481395382,"intercept":9.301715817461536,"variance":0.5896726854342805,"difficulty":841,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.629442724591726,"irt_users":206,"is_experimental":true},"cf_2015_morning_easy_d":{"slope":-0.0009149919266440599,"intercept":8.728613014584607,"variance":0.42745812865746474,"difficulty":1316,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.90746121631682,"irt_users":206,"is_experimental":true},"cf_2015_morning_hard_a":{"slope":-0.0007361231385991622,"intercept":8.88635471320121,"variance":0.34411662396008214,"difficulty":1587,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.48136671176846,"irt_users":158,"is_experimental":true},"cf_2015_morning_hard_b":{"difficulty":2456,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.05170746502539,"irt_users":158,"is_experimental":true,"slope":-0.0007341803673611741,"intercept":9.4790806961656,"variance":0.16833957714715173},"cf_2015_morning_hard_c":{"difficulty":3258,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.339170965527732,"irt_users":40,"is_experimental":true},"cf_2015_morning_hard_h":{"difficulty":2944,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.241097948059137,"irt_users":40,"is_experimental":true},"dwango2016qual_a":{"slope":-0.0011208493997042221,"intercept":8.084288570278849,"variance":0.9651474673598259,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.9626958924141,"irt_users":389,"is_experimental":true},"dwango2016qual_b":{"slope":-0.0009897778933405728,"intercept":8.401661261526883,"variance":0.45236746240070486,"difficulty":750,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.68317279383382,"irt_users":389,"is_experimental":true},"dwango2016qual_c":{"difficulty":2384,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.710993126851825,"irt_users":389,"is_experimental":true,"slope":-0.0009524400067552748,"intercept":10.06662869025812,"variance":0.10247092525350111},"dwango2016qual_d":{"slope":-0.0008590508219857616,"intercept":9.634628832560574,"variance":0.16855544111544357,"difficulty":2233,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.967422999515996,"irt_users":389,"is_experimental":true},"dwango2016qual_e":{"difficulty":3144,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.893069720240464,"irt_users":389,"is_experimental":true},"discovery_2016_qual_a":{"slope":-0.0011334304199103842,"intercept":7.856617242245528,"variance":0.8220483188029731,"difficulty":193,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.59649841047688,"irt_users":378,"is_experimental":true},"discovery_2016_qual_b":{"slope":-0.0009812214175796512,"intercept":9.561039578979141,"variance":0.3530581564929647,"difficulty":1765,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.82661182458627,"irt_users":378,"is_experimental":true},"discovery_2016_qual_c":{"difficulty":2527,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.057735338385893,"irt_users":378,"is_experimental":true,"slope":-0.0002906823251647026,"intercept":8.385760297688021,"variance":0.13802723372007028},"discovery_2016_qual_d":{"difficulty":3116,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.899969450710554,"irt_users":378,"is_experimental":true},"dwango2016final_a":{"is_experimental":true,"slope":-0.0010895859501610901,"intercept":9.959123201726117,"variance":0.34394834678857933},"dwango2016final_b":{"is_experimental":true,"slope":-0.000950037091055639,"intercept":10.041641682182775,"variance":0.19425585635995385},"dwango2016final_c":{"is_experimental":true},"dwango2016final_d":{"is_experimental":true},"discovery_2016_final_a":{"slope":-0.0006742670615023049,"intercept":7.631698221624998,"variance":0.29883237459036555,"is_experimental":true},"discovery_2016_final_b":{"difficulty":1773,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.016798632266294,"irt_users":98,"is_experimental":true,"slope":-0.0013221872605163835,"intercept":10.347620704033154,"variance":0.3504463091413986},"discovery_2016_final_c":{"difficulty":2266,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.721845883275218,"irt_users":98,"is_experimental":true,"slope":-0.001802740142580088,"intercept":12.363057706816361,"variance":0.22920708323674857},"discovery_2016_final_d":{"difficulty":2652,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.144669406103691,"irt_users":98,"is_experimental":true},"mujin_pc_2016_a":{"slope":-0.0010474829260358426,"intercept":7.032119739427546,"variance":0.8138154140450771,"difficulty":-312,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.965336864572826,"irt_users":449,"is_experimental":true},"mujin_pc_2016_b":{"slope":-0.000910062563581729,"intercept":8.291613835185146,"variance":0.5529032803228561,"difficulty":958,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.30039044432243,"irt_users":449,"is_experimental":true},"mujin_pc_2016_c":{"slope":-0.0010222501472440194,"intercept":9.510524321660602,"variance":0.32385083108252033,"difficulty":2093,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.93539338157245,"irt_users":449,"is_experimental":true},"mujin_pc_2016_d":{"difficulty":2404,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.537143988096176,"irt_users":449,"is_experimental":true,"slope":-0.0002674159151718598,"intercept":8.545707686896165,"variance":0.14761156104842657},"mujin_pc_2016_e":{"difficulty":3102,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.85463660348383,"irt_users":449,"is_experimental":true},"panasonic2020_a":{"slope":-0.0007866079433895437,"intercept":5.896229403650548,"variance":0.8298825696334877,"difficulty":-888,"discrimination":0.004479398673070138,"irt_loglikelihood":-494.71990610937854,"irt_users":5999,"is_experimental":false},"panasonic2020_b":{"slope":-0.0006220673127002654,"intercept":7.642747077634348,"variance":0.39958471860619144,"difficulty":168,"discrimination":0.004479398673070138,"irt_loglikelihood":-3194.3056281543913,"irt_users":5999,"is_experimental":false},"panasonic2020_c":{"slope":-0.0008057835025072957,"intercept":8.129317658344346,"variance":0.6499290023912803,"difficulty":701,"discrimination":0.004479398673070138,"irt_loglikelihood":-3506.7661787975358,"irt_users":5999,"is_experimental":false},"panasonic2020_d":{"slope":-0.0010220838603607289,"intercept":8.74482640527405,"variance":0.39195366633469375,"difficulty":1102,"discrimination":0.004479398673070138,"irt_loglikelihood":-2025.3042409987893,"irt_users":5999,"is_experimental":false},"panasonic2020_e":{"slope":-0.0004478253852356486,"intercept":8.840337228769112,"variance":0.2696513511452754,"difficulty":2309,"discrimination":0.004479398673070138,"irt_loglikelihood":-368.8047355056339,"irt_users":5999,"is_experimental":false},"panasonic2020_f":{"difficulty":2834,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.909950392265,"irt_users":5999,"is_experimental":false,"slope":-0.00031959555656761355,"intercept":8.96052959653472,"variance":0.0997125528565235},"agc043_a":{"slope":-0.0009173260802270318,"intercept":9.001965703019499,"variance":0.40075656894957434,"difficulty":934,"discrimination":0.004479398673070138,"irt_loglikelihood":-1338.6847325085128,"irt_users":3102,"is_experimental":false},"agc043_b":{"slope":-0.0008274746479098717,"intercept":9.852419569563702,"variance":0.3152548898973515,"difficulty":1945,"discrimination":0.004479398673070138,"irt_loglikelihood":-808.6832148287216,"irt_users":3102,"is_experimental":false},"agc043_c":{"slope":-0.00043820096585750153,"intercept":9.217822221170174,"variance":0.23317422767504156,"difficulty":2872,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.20309824078564,"irt_users":3102,"is_experimental":false},"agc043_d":{"slope":-0.0007135050909463825,"intercept":9.876969676734948,"variance":0.26179017914894825,"difficulty":2708,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.23564957228822,"irt_users":3102,"is_experimental":false},"agc043_e":{"difficulty":3505,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.081737667725804,"irt_users":3102,"is_experimental":false,"slope":-0.00004616184725820234,"intercept":8.178893320737556,"variance":0.13510885987321772},"agc043_f":{"difficulty":4347,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.220681838137406,"irt_users":3102,"is_experimental":false},"abc159_a":{"slope":-0.0011118115928624083,"intercept":6.67282156653149,"variance":0.6213931662463609,"difficulty":-612,"discrimination":0.004479398673070138,"irt_loglikelihood":-786.3859707871851,"irt_users":7301,"is_experimental":false},"abc159_b":{"slope":-0.0009531092885211663,"intercept":7.300874726653055,"variance":0.3542956450253889,"difficulty":-190,"discrimination":0.004479398673070138,"irt_loglikelihood":-1726.0196842975638,"irt_users":7301,"is_experimental":false},"abc159_c":{"slope":-0.0010330608110246334,"intercept":6.863447052687345,"variance":0.7035176107243944,"difficulty":-104,"discrimination":0.004479398673070138,"irt_loglikelihood":-2137.712772571452,"irt_users":7464,"is_experimental":false},"abc159_d":{"slope":-0.0012671897544768876,"intercept":8.164774545183818,"variance":0.409361413460037,"difficulty":496,"discrimination":0.004479398673070138,"irt_loglikelihood":-2588.0243487463904,"irt_users":7464,"is_experimental":false},"abc159_e":{"slope":-0.0008927017980395127,"intercept":9.116666246318854,"variance":0.22565800473721276,"difficulty":1450,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.701226735327,"irt_users":7464,"is_experimental":false},"abc159_f":{"slope":-0.0007010904111750382,"intercept":8.66491286064364,"variance":0.3162697507487108,"difficulty":1876,"discrimination":0.004479398673070138,"irt_loglikelihood":-779.984556233332,"irt_users":7464,"is_experimental":false},"abc160_a":{"slope":-0.0008547409221681635,"intercept":5.822816003997009,"variance":0.8059578766558435,"difficulty":-986,"discrimination":0.004479398673070138,"irt_loglikelihood":-535.2542263813256,"irt_users":8304,"is_experimental":false},"abc160_b":{"slope":-0.0007911723440256562,"intercept":6.127542946978617,"variance":0.3456605814447636,"difficulty":-811,"discrimination":0.004479398673070138,"irt_loglikelihood":-717.4749341525034,"irt_users":8304,"is_experimental":false},"abc160_c":{"slope":-0.001110407163457217,"intercept":7.520724674053696,"variance":0.4771624045526234,"difficulty":62,"discrimination":0.004479398673070138,"irt_loglikelihood":-3291.929162462916,"irt_users":8500,"is_experimental":false},"abc160_d":{"slope":-0.0009374882670633778,"intercept":8.396537830369258,"variance":0.35782446466928475,"difficulty":879,"discrimination":0.004479398673070138,"irt_loglikelihood":-3488.237950327311,"irt_users":8500,"is_experimental":false},"abc160_e":{"slope":-0.0006650729342888941,"intercept":8.150096024445777,"variance":0.3931582084309183,"difficulty":1036,"discrimination":0.004479398673070138,"irt_loglikelihood":-3039.8226942073543,"irt_users":8500,"is_experimental":false},"abc160_f":{"slope":-0.0004527893755455311,"intercept":8.57903635832642,"variance":0.3188990275641276,"difficulty":2048,"discrimination":0.004479398673070138,"irt_loglikelihood":-568.8377357093312,"irt_users":8500,"is_experimental":false},"abc161_a":{"slope":-0.0008972838642971547,"intercept":5.913291445461096,"variance":0.79443030941477,"difficulty":-1083,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.70276456868794,"irt_users":8525,"is_experimental":false},"abc161_b":{"slope":-0.0009779909050659722,"intercept":7.15185973896571,"variance":0.5040298862748016,"difficulty":-148,"discrimination":0.004479398673070138,"irt_loglikelihood":-2548.56645228828,"irt_users":8525,"is_experimental":false},"abc161_c":{"slope":-0.001013175862213234,"intercept":7.225015514465963,"variance":0.663092558011477,"difficulty":4,"discrimination":0.004479398673070138,"irt_loglikelihood":-2943.427485885012,"irt_users":8723,"is_experimental":false},"abc161_d":{"slope":-0.0006935797896644361,"intercept":8.314941209256908,"variance":0.3387440154495424,"difficulty":991,"discrimination":0.004479398673070138,"irt_loglikelihood":-3547.2263138924686,"irt_users":8723,"is_experimental":false},"abc161_e":{"slope":-0.0005271626794074472,"intercept":8.347480473458663,"variance":0.29963003186334175,"difficulty":1760,"discrimination":0.004479398673070138,"irt_loglikelihood":-1100.7305103985398,"irt_users":8723,"is_experimental":false},"abc161_f":{"slope":-0.0007143977018805695,"intercept":8.649881827338982,"variance":0.32808812566055234,"difficulty":1528,"discrimination":0.004479398673070138,"irt_loglikelihood":-1631.734937027746,"irt_users":8723,"is_experimental":false},"abc162_a":{"slope":-0.0010357533618943606,"intercept":6.314962146446822,"variance":1.2814319636088956,"difficulty":-778,"discrimination":0.004479398673070138,"irt_loglikelihood":-979.0894663124757,"irt_users":9164,"is_experimental":false},"abc162_b":{"slope":-0.0009557509794094242,"intercept":6.448323781825181,"variance":1.0403194145512002,"difficulty":-504,"discrimination":0.004479398673070138,"irt_loglikelihood":-1654.0146547648728,"irt_users":9164,"is_experimental":false},"abc162_c":{"slope":-0.0010823283587320463,"intercept":7.086867729029162,"variance":0.9738048508640493,"difficulty":34,"discrimination":0.004479398673070138,"irt_loglikelihood":-3695.3145771096906,"irt_users":9359,"is_experimental":false},"abc162_d":{"slope":-0.001085156558392006,"intercept":8.47458261795675,"variance":0.40300032211240266,"difficulty":757,"discrimination":0.004479398673070138,"irt_loglikelihood":-3394.0007927285337,"irt_users":9359,"is_experimental":false},"abc162_e":{"slope":-0.0008295107863709509,"intercept":8.560670810937157,"variance":0.5486499209764737,"difficulty":1662,"discrimination":0.004479398673070138,"irt_loglikelihood":-1271.9892489874608,"irt_users":9359,"is_experimental":false},"abc162_f":{"slope":-0.0004827894648390745,"intercept":8.532625703431343,"variance":0.31232887986531244,"difficulty":1764,"discrimination":0.004479398673070138,"irt_loglikelihood":-1131.4016297337666,"irt_users":9359,"is_experimental":false},"abc163_a":{"slope":-0.0005361544896286734,"intercept":6.286441465352682,"variance":0.6478166602397073,"is_experimental":false},"abc163_b":{"slope":-0.0007032028670413984,"intercept":6.2414512332197605,"variance":0.39690014086818526,"is_experimental":false},"abc163_c":{"slope":-0.0009883689814667975,"intercept":6.961062538238832,"variance":0.4450729921503031,"difficulty":125,"discrimination":0.004479398673070138,"irt_loglikelihood":-3452.848297681914,"irt_users":8871,"is_experimental":false},"abc163_d":{"slope":-0.0009454412154604588,"intercept":8.390740115762569,"variance":0.3178955815045431,"difficulty":960,"discrimination":0.004479398673070138,"irt_loglikelihood":-4159.901428450193,"irt_users":8871,"is_experimental":false},"abc163_e":{"slope":-0.0006704448558877955,"intercept":8.734960200240472,"variance":0.3563859698195849,"difficulty":2037,"discrimination":0.004479398673070138,"irt_loglikelihood":-784.8652693657624,"irt_users":8871,"is_experimental":false},"abc163_f":{"slope":-0.00026319075464170915,"intercept":8.49996021613328,"variance":0.15015584269759255,"difficulty":2470,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.84571588306352,"irt_users":8871,"is_experimental":false},"abc164_a":{"slope":-0.0007490886758105853,"intercept":5.60456093567555,"variance":0.9083429226868615,"difficulty":-1160,"discrimination":0.004479398673070138,"irt_loglikelihood":-423.51344138848333,"irt_users":9201,"is_experimental":false},"abc164_b":{"slope":-0.0008013857135807659,"intercept":6.449620388360465,"variance":0.4726798932791846,"difficulty":-532,"discrimination":0.004479398673070138,"irt_loglikelihood":-1645.3519690628866,"irt_users":9201,"is_experimental":false},"abc164_c":{"slope":-0.0011045448760473907,"intercept":6.306170413913781,"variance":0.7456607992956814,"difficulty":-241,"discrimination":0.004479398673070138,"irt_loglikelihood":-2484.264854198733,"irt_users":9389,"is_experimental":false},"abc164_d":{"slope":-0.0011101266922461381,"intercept":8.790893521008778,"variance":0.5348233083354358,"difficulty":1232,"discrimination":0.004479398673070138,"irt_loglikelihood":-2487.3120671041715,"irt_users":9389,"is_experimental":false},"abc164_e":{"slope":-0.0008765770429666908,"intercept":9.249431151679046,"variance":0.2537114391292682,"difficulty":1877,"discrimination":0.004479398673070138,"irt_loglikelihood":-789.7264252372072,"irt_users":9389,"is_experimental":false},"abc164_f":{"slope":-0.00004247958404253163,"intercept":8.219323316893059,"variance":0.10830630282808422,"difficulty":2683,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.40398223912737,"irt_users":9389,"is_experimental":false},"abc165_a":{"slope":-0.0009328240780775833,"intercept":6.411145253805742,"variance":0.7701480439703657,"difficulty":-708,"discrimination":0.004479398673070138,"irt_loglikelihood":-1279.4849075728532,"irt_users":10214,"is_experimental":false},"abc165_b":{"slope":-0.0007820711011175003,"intercept":6.556532607397166,"variance":0.6216261597249867,"difficulty":-200,"discrimination":0.004479398673070138,"irt_loglikelihood":-3310.447823359961,"irt_users":10214,"is_experimental":false},"abc165_c":{"slope":-0.0008303281486937013,"intercept":8.269833365465523,"variance":0.3088584759583217,"difficulty":1136,"discrimination":0.004479398673070138,"irt_loglikelihood":-4209.672961531598,"irt_users":10425,"is_experimental":false},"abc165_d":{"slope":-0.000747468929116991,"intercept":8.168651630978573,"variance":0.44434582835395053,"difficulty":600,"discrimination":0.004479398673070138,"irt_loglikelihood":-5416.709812358762,"irt_users":10425,"is_experimental":false},"abc165_e":{"slope":-0.00039857202775999724,"intercept":8.32111571310872,"variance":0.25644050949735486,"difficulty":1620,"discrimination":0.004479398673070138,"irt_loglikelihood":-2010.5024471184256,"irt_users":10425,"is_experimental":false},"abc165_f":{"slope":-0.0006052249491960857,"intercept":8.569650310883985,"variance":0.3384744788475539,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-968.324833170084,"irt_users":10425,"is_experimental":false},"abc166_a":{"slope":-0.0008494751996566923,"intercept":5.520600283012742,"variance":0.8284946454291516,"difficulty":-1125,"discrimination":0.004479398673070138,"irt_loglikelihood":-516.6043526453237,"irt_users":10805,"is_experimental":false},"abc166_b":{"slope":-0.001221730647141709,"intercept":7.0468709344127785,"variance":0.3919908819951524,"difficulty":-224,"discrimination":0.004479398673070138,"irt_loglikelihood":-2450.2750610827447,"irt_users":10805,"is_experimental":false},"abc166_c":{"slope":-0.0011621756233479838,"intercept":7.772770726354707,"variance":0.4460812511319455,"difficulty":233,"discrimination":0.004479398673070138,"irt_loglikelihood":-4382.99968095496,"irt_users":11014,"is_experimental":false},"abc166_d":{"slope":-0.0008118208858775605,"intercept":8.07721690433242,"variance":0.4583211126236561,"difficulty":694,"discrimination":0.004479398673070138,"irt_loglikelihood":-5060.710176747621,"irt_users":11014,"is_experimental":false},"abc166_e":{"slope":-0.0010148581241845526,"intercept":8.39329624163275,"variance":0.448765942287893,"difficulty":1062,"discrimination":0.004479398673070138,"irt_loglikelihood":-3019.2314141908973,"irt_users":11014,"is_experimental":false},"abc166_f":{"slope":-0.00012670286594675454,"intercept":7.992451437892026,"variance":0.19841671814479736,"difficulty":1668,"discrimination":0.004479398673070138,"irt_loglikelihood":-1493.4504110067717,"irt_users":11014,"is_experimental":false},"abc167_a":{"slope":-0.0010253892437560334,"intercept":6.304038115796099,"variance":0.6873125330375647,"difficulty":-765,"discrimination":0.004479398673070138,"irt_loglikelihood":-994.6261739897081,"irt_users":10571,"is_experimental":false},"abc167_b":{"slope":-0.0010423810539658622,"intercept":6.884748304514334,"variance":0.5666967835889615,"difficulty":-379,"discrimination":0.004479398673070138,"irt_loglikelihood":-2414.967230317645,"irt_users":10571,"is_experimental":false},"abc167_c":{"slope":-0.001225032060722309,"intercept":8.179501035462204,"variance":0.32738994983960695,"difficulty":595,"discrimination":0.004479398673070138,"irt_loglikelihood":-4150.446895013975,"irt_users":10763,"is_experimental":false},"abc167_d":{"slope":-0.0011171452424969712,"intercept":8.618915600629128,"variance":0.33357404243648275,"difficulty":754,"discrimination":0.004479398673070138,"irt_loglikelihood":-4000.9116910907733,"irt_users":10763,"is_experimental":false},"abc167_e":{"slope":-0.0008926418512911364,"intercept":8.623519378934335,"variance":0.3576066801437567,"difficulty":1442,"discrimination":0.004479398673070138,"irt_loglikelihood":-1882.0353085771706,"irt_users":10763,"is_experimental":false},"abc167_f":{"slope":-0.0005409650834449905,"intercept":8.83485583511557,"variance":0.2878498433594192,"difficulty":1961,"discrimination":0.004479398673070138,"irt_loglikelihood":-766.2905643577292,"irt_users":10763,"is_experimental":false},"abc168_a":{"slope":-0.0008279202288567339,"intercept":6.226376010080179,"variance":0.5642149049976927,"difficulty":-997,"discrimination":0.004479398673070138,"irt_loglikelihood":-523.2699905691196,"irt_users":9695,"is_experimental":false},"abc168_b":{"slope":-0.0008773560338147436,"intercept":5.971082356391662,"variance":0.49719547768594274,"difficulty":-769,"discrimination":0.004479398673070138,"irt_loglikelihood":-897.8482296293959,"irt_users":9695,"is_experimental":false},"abc168_c":{"slope":-0.0008002589028636544,"intercept":7.769038976674827,"variance":0.3771559888959316,"difficulty":178,"discrimination":0.004479398673070138,"irt_loglikelihood":-5394.109564408199,"irt_users":9896,"is_experimental":false},"abc168_d":{"slope":-0.0011120856164500304,"intercept":8.421621444353223,"variance":0.3541331598110092,"difficulty":804,"discrimination":0.004479398673070138,"irt_loglikelihood":-3295.3888237446836,"irt_users":9896,"is_experimental":false},"abc168_e":{"slope":-0.0007489800381097721,"intercept":9.368471494114536,"variance":0.20246619097948823,"difficulty":1896,"discrimination":0.004479398673070138,"irt_loglikelihood":-790.4749193410768,"irt_users":9896,"is_experimental":false},"abc168_f":{"slope":-0.0003263735996285776,"intercept":8.623863957779763,"variance":0.17025738571612084,"difficulty":2478,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.1269167442722,"irt_users":9896,"is_experimental":false},"agc044_a":{"slope":-0.0006045337446018491,"intercept":9.149208009507149,"variance":0.3456186693801976,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-753.7603384352191,"irt_users":1870,"is_experimental":false},"agc044_b":{"slope":-0.0006942120097372097,"intercept":9.417645098345188,"variance":0.3758040350624041,"difficulty":1883,"discrimination":0.004479398673070138,"irt_loglikelihood":-688.5730708475543,"irt_users":1870,"is_experimental":false},"agc044_c":{"slope":-0.00031979082729223035,"intercept":8.96127120865903,"variance":0.2999454622516049,"difficulty":2889,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.30049417387303,"irt_users":1870,"is_experimental":false},"agc044_d":{"slope":-0.0004985867414142726,"intercept":9.744329556275893,"variance":0.17574933222022562,"difficulty":3165,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.01380634889722,"irt_users":1870,"is_experimental":false},"agc044_e":{"difficulty":3599,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.366588046983615,"irt_users":1870,"is_experimental":false,"slope":-0.0008138678012448129,"intercept":10.963809210599504,"variance":0.14795852647760271},"agc044_f":{"is_experimental":false},"nomura2020_a":{"slope":-0.0007568978520498002,"intercept":6.456446058639967,"variance":0.7349915699858377,"difficulty":-692,"discrimination":0.004479398673070138,"irt_loglikelihood":-657.6105418459008,"irt_users":5645,"is_experimental":false},"nomura2020_b":{"slope":-0.0008756439917004593,"intercept":7.086054673137681,"variance":0.6893591676555237,"difficulty":-144,"discrimination":0.004479398673070138,"irt_loglikelihood":-1307.7049584517847,"irt_users":5645,"is_experimental":false},"nomura2020_c":{"slope":-0.0007077129714764,"intercept":9.044009639939132,"variance":0.3137471019319083,"difficulty":1253,"discrimination":0.004479398673070138,"irt_loglikelihood":-1959.8900549196921,"irt_users":5645,"is_experimental":false},"nomura2020_d":{"slope":-0.0004936487380466172,"intercept":9.242585037148666,"variance":0.15614619215260284,"difficulty":2810,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.18379428579425,"irt_users":5645,"is_experimental":false},"nomura2020_e":{"slope":-0.0003190204437597412,"intercept":8.887239474128373,"variance":0.1668610852781395,"difficulty":2861,"discrimination":0.004479398673070138,"irt_loglikelihood":-229.69527877134473,"irt_users":5645,"is_experimental":false},"nomura2020_f":{"difficulty":3097,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.80131479784399,"irt_users":5645,"is_experimental":false,"slope":-0.0007425000677770408,"intercept":10.162643475999532,"variance":0.17772297818730143},"abc169_a":{"slope":-0.0008874799005933982,"intercept":5.136568517553134,"variance":1.250298522274197,"difficulty":-1205,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.51408687992165,"irt_users":10024,"is_experimental":false},"abc169_b":{"slope":-0.000973759589809627,"intercept":7.797162696869074,"variance":0.8177062219695032,"difficulty":349,"discrimination":0.004479398673070138,"irt_loglikelihood":-4938.506962101612,"irt_users":10024,"is_experimental":false},"abc169_c":{"slope":-0.0009750042934182497,"intercept":7.865921480380302,"variance":0.889873859332956,"difficulty":597,"discrimination":0.004479398673070138,"irt_loglikelihood":-6237.342528592403,"irt_users":10220,"is_experimental":false},"abc169_d":{"slope":-0.0011508156840134987,"intercept":8.386858878488605,"variance":0.42375937085939225,"difficulty":732,"discrimination":0.004479398673070138,"irt_loglikelihood":-4064.9867353931,"irt_users":10220,"is_experimental":false},"abc169_e":{"slope":-0.0006700188879441345,"intercept":8.083666648509684,"variance":0.45908324752673,"difficulty":1353,"discrimination":0.004479398673070138,"irt_loglikelihood":-2588.7677087952384,"irt_users":10220,"is_experimental":false},"abc169_f":{"slope":-0.0010130252975724726,"intercept":8.967198782945097,"variance":0.41263473865176514,"difficulty":1698,"discrimination":0.004479398673070138,"irt_loglikelihood":-1079.079383463815,"irt_users":10220,"is_experimental":false},"agc045_a":{"slope":-0.0011462976753355055,"intercept":10.264246873449101,"variance":0.4922808645632507,"difficulty":2070,"discrimination":0.004479398673070138,"irt_loglikelihood":-420.3718908693722,"irt_users":1199,"is_experimental":false},"agc045_b":{"slope":-0.0006366229928532196,"intercept":9.838588649482373,"variance":0.39778481290616546,"difficulty":2873,"discrimination":0.004479398673070138,"irt_loglikelihood":-231.484733185376,"irt_users":1199,"is_experimental":false},"agc045_c":{"slope":-0.0004895919114461054,"intercept":9.706074089017285,"variance":0.21902460593209516,"difficulty":2758,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.6438558736547,"irt_users":1199,"is_experimental":false},"agc045_d":{"difficulty":3625,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.12044154428473,"irt_users":1199,"is_experimental":false,"slope":-0.0001916541170523971,"intercept":9.037118167955246,"variance":0.03246945355157229},"agc045_e":{"is_experimental":false},"agc045_f":{"difficulty":4383,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.510396407899631,"irt_users":1199,"is_experimental":false},"tokiomarine2020_a":{"slope":-0.0008009977106092051,"intercept":5.566116969927083,"variance":1.0511905648134294,"difficulty":-942,"discrimination":0.004479398673070138,"irt_loglikelihood":-342.36755698910645,"irt_users":5539,"is_experimental":false},"tokiomarine2020_b":{"slope":-0.0010065350133807497,"intercept":7.415823997307005,"variance":0.7501020975663197,"difficulty":114,"discrimination":0.004479398673070138,"irt_loglikelihood":-2030.8193311043376,"irt_users":5539,"is_experimental":false},"tokiomarine2020_c":{"slope":-0.0009383972976788974,"intercept":9.080691372651296,"variance":0.32367499396880484,"difficulty":1274,"discrimination":0.004479398673070138,"irt_loglikelihood":-1681.7875985208318,"irt_users":5539,"is_experimental":false},"tokiomarine2020_d":{"slope":-0.0007127136562735034,"intercept":9.632731565472053,"variance":0.24879920622931503,"difficulty":2158,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.1179332463158,"irt_users":5539,"is_experimental":false},"tokiomarine2020_e":{"slope":-0.0008107539935074976,"intercept":10.006281481804827,"variance":0.20563111241340445,"difficulty":2756,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.29361248670187,"irt_users":5539,"is_experimental":false},"tokiomarine2020_f":{"difficulty":3385,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.5188700219737,"irt_users":5539,"is_experimental":false,"slope":-0.0007263527804676638,"intercept":10.363482202537067,"variance":0.16340553403623542},"abc170_a":{"slope":-0.0009439911501029346,"intercept":5.947158936594393,"variance":0.7394842300677735,"difficulty":-1143,"discrimination":0.004479398673070138,"irt_loglikelihood":-399.65056631252924,"irt_users":9436,"is_experimental":false},"abc170_b":{"slope":-0.001112224003377372,"intercept":6.772404300834699,"variance":0.6020220104867714,"difficulty":-414,"discrimination":0.004479398673070138,"irt_loglikelihood":-1715.9772501395526,"irt_users":9436,"is_experimental":false},"abc170_c":{"slope":-0.001214868094460264,"intercept":7.7010523255053664,"variance":0.47505477435438187,"difficulty":15,"discrimination":0.004479398673070138,"irt_loglikelihood":-2934.235019968904,"irt_users":9595,"is_experimental":false},"abc170_d":{"slope":-0.0009575124066540039,"intercept":8.476143481316916,"variance":0.4972037356079722,"difficulty":1033,"discrimination":0.004479398673070138,"irt_loglikelihood":-3510.2641523135308,"irt_users":9595,"is_experimental":false},"abc170_e":{"slope":-0.000737705670907139,"intercept":8.706355261731597,"variance":0.2804785760251814,"difficulty":1502,"discrimination":0.004479398673070138,"irt_loglikelihood":-1582.0689159323304,"irt_users":9595,"is_experimental":false},"abc170_f":{"slope":-0.00028589666322389036,"intercept":8.345114190461997,"variance":0.24901209903366822,"difficulty":1968,"discrimination":0.004479398673070138,"irt_loglikelihood":-751.0292161479463,"irt_users":9595,"is_experimental":false},"agc046_a":{"slope":-0.0009772209052477212,"intercept":7.6578514669544555,"variance":1.0084004127069641,"difficulty":246,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.2779987309926,"irt_users":2481,"is_experimental":false},"agc046_b":{"slope":-0.000720716464666503,"intercept":9.213359724331687,"variance":0.38935273786415936,"difficulty":1588,"discrimination":0.004479398673070138,"irt_loglikelihood":-901.0332178961385,"irt_users":2481,"is_experimental":false},"agc046_c":{"slope":-0.0006391658368021906,"intercept":9.546185396616945,"variance":0.23600998416468685,"difficulty":2130,"discrimination":0.004479398673070138,"irt_loglikelihood":-427.0380182599911,"irt_users":2481,"is_experimental":false},"agc046_d":{"slope":-0.0004401419426646393,"intercept":9.443326777066297,"variance":0.11460191868845501,"difficulty":2911,"discrimination":0.004479398673070138,"irt_loglikelihood":-133.36240308175076,"irt_users":2481,"is_experimental":false},"agc046_e":{"difficulty":3772,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.63265463804967,"irt_users":2481,"is_experimental":false,"slope":-0.0000068177651435631105,"intercept":8.458503394540536,"variance":0.12537489048714154},"agc046_f":{"difficulty":3854,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.173742416527087,"irt_users":2481,"is_experimental":false,"slope":-0.0009986135854946803,"intercept":11.637693831761364,"variance":0.012625185257623546},"abc171_a":{"slope":-0.0009431176102951649,"intercept":5.914246725760193,"variance":0.7914709314272967,"difficulty":-1086,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.7619021021982,"irt_users":9407,"is_experimental":false},"abc171_b":{"slope":-0.0009565653219376626,"intercept":5.8849677525601365,"variance":0.46840771595298575,"difficulty":-765,"discrimination":0.004479398673070138,"irt_loglikelihood":-818.222449823134,"irt_users":9407,"is_experimental":false},"abc171_c":{"slope":-0.0007058094384005697,"intercept":7.923469370647532,"variance":0.5154956367555902,"difficulty":560,"discrimination":0.004479398673070138,"irt_loglikelihood":-5404.522590155447,"irt_users":9578,"is_experimental":false},"abc171_d":{"slope":-0.0011108242233124185,"intercept":7.94066776815296,"variance":0.6133738762481168,"difficulty":498,"discrimination":0.004479398673070138,"irt_loglikelihood":-3641.7528673061647,"irt_users":9578,"is_experimental":false},"abc171_e":{"slope":-0.0009610117797162281,"intercept":7.549698819814072,"variance":0.5900580969311119,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-3576.311213678141,"irt_users":9578,"is_experimental":false},"abc171_f":{"slope":-0.0008566516570936648,"intercept":9.07543808883722,"variance":0.2932537788379417,"difficulty":1795,"discrimination":0.004479398673070138,"irt_loglikelihood":-939.1661977106079,"irt_users":9578,"is_experimental":false},"abc172_a":{"slope":-0.0009372051525080148,"intercept":5.261378097379775,"variance":1.0678130811514706,"difficulty":-1208,"discrimination":0.004479398673070138,"irt_loglikelihood":-424.51967266545495,"irt_users":9030,"is_experimental":false},"abc172_b":{"slope":-0.0009183703587179096,"intercept":5.711604958338279,"variance":0.4294549076649856,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-848.8419705628048,"irt_users":9030,"is_experimental":false},"abc172_c":{"slope":-0.001295307965048811,"intercept":8.909804495037237,"variance":0.4597584253898538,"difficulty":930,"discrimination":0.004479398673070138,"irt_loglikelihood":-2968.568645568889,"irt_users":9188,"is_experimental":false},"abc172_d":{"slope":-0.0013089519213070743,"intercept":8.57107398733917,"variance":0.6295418526851755,"difficulty":963,"discrimination":0.004479398673070138,"irt_loglikelihood":-3659.269265114449,"irt_users":9188,"is_experimental":false},"abc172_e":{"slope":-0.000927954757576166,"intercept":9.030269713912187,"variance":0.38868673870748305,"difficulty":1880,"discrimination":0.004479398673070138,"irt_loglikelihood":-920.8819347763388,"irt_users":9188,"is_experimental":false},"abc172_f":{"slope":-0.0003713089494116203,"intercept":8.60208501930945,"variance":0.19578133798668007,"difficulty":2216,"discrimination":0.004479398673070138,"irt_loglikelihood":-380.82218716753107,"irt_users":9188,"is_experimental":false},"abc173_a":{"slope":-0.0009622272217298871,"intercept":6.272218910300897,"variance":0.7873661711013737,"difficulty":-1005,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.8173300393514,"irt_users":9523,"is_experimental":false},"abc173_b":{"slope":-0.000811381703285564,"intercept":6.3801929939551165,"variance":0.3141144529514482,"difficulty":-710,"discrimination":0.004479398673070138,"irt_loglikelihood":-1056.864922211032,"irt_users":9523,"is_experimental":false},"abc173_c":{"slope":-0.001387670266095369,"intercept":8.471804793586465,"variance":0.3226223353769506,"difficulty":653,"discrimination":0.004479398673070138,"irt_loglikelihood":-3822.341112349219,"irt_users":9693,"is_experimental":false},"abc173_d":{"slope":-0.0007976292014969545,"intercept":8.11617105422058,"variance":0.314796443743712,"difficulty":720,"discrimination":0.004479398673070138,"irt_loglikelihood":-4138.969331057054,"irt_users":9693,"is_experimental":false},"abc173_e":{"slope":-0.00021738701673859164,"intercept":8.262171328571647,"variance":0.2763212040294568,"difficulty":1607,"discrimination":0.004479398673070138,"irt_loglikelihood":-1796.882979253665,"irt_users":9693,"is_experimental":false},"abc173_f":{"slope":-0.0008093880035187559,"intercept":8.658900107804515,"variance":0.48469312898752487,"difficulty":1892,"discrimination":0.004479398673070138,"irt_loglikelihood":-806.3139510196108,"irt_users":9693,"is_experimental":false},"aising2020_a":{"slope":-0.0009303156430090262,"intercept":5.962489794870246,"variance":0.825107898356339,"difficulty":-1008,"discrimination":0.004479398673070138,"irt_loglikelihood":-396.71208708391754,"irt_users":6948,"is_experimental":false},"aising2020_b":{"slope":-0.0008985719347246829,"intercept":6.027050994999218,"variance":0.4534022468113255,"difficulty":-774,"discrimination":0.004479398673070138,"irt_loglikelihood":-543.7057627988727,"irt_users":6948,"is_experimental":false},"aising2020_c":{"slope":-0.001208561066685675,"intercept":8.0588048245979,"variance":0.5423489487345106,"difficulty":377,"discrimination":0.004479398673070138,"irt_loglikelihood":-2747.865115363856,"irt_users":6948,"is_experimental":false},"aising2020_d":{"slope":-0.0008227730928566332,"intercept":9.155274611024792,"variance":0.20896492799577257,"difficulty":1337,"discrimination":0.004479398673070138,"irt_loglikelihood":-1658.016227570618,"irt_users":6948,"is_experimental":false},"aising2020_e":{"slope":-0.0004508022375612221,"intercept":8.616451523198327,"variance":0.22691807237377398,"difficulty":2133,"discrimination":0.004479398673070138,"irt_loglikelihood":-564.1639687926784,"irt_users":6948,"is_experimental":false},"aising2020_f":{"difficulty":2742,"discrimination":0.004479398673070138,"irt_loglikelihood":-113.69523403380921,"irt_users":6948,"is_experimental":false,"slope":-0.0003640233329611515,"intercept":8.780430537339901,"variance":0.1725673133281184},"m_solutions2020_a":{"slope":-0.0007589496112311682,"intercept":6.1353848600022785,"variance":0.5353297073025179,"difficulty":-1071,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.1424308459232,"irt_users":6073,"is_experimental":false},"m_solutions2020_b":{"slope":-0.0010015280609938814,"intercept":6.952506496858965,"variance":0.4393338348352959,"difficulty":-315,"discrimination":0.004479398673070138,"irt_loglikelihood":-1130.5993173952488,"irt_users":6073,"is_experimental":false},"m_solutions2020_c":{"slope":-0.001119563667973123,"intercept":7.468414121030491,"variance":0.5203534463015145,"difficulty":131,"discrimination":0.004479398673070138,"irt_loglikelihood":-1866.5497386187135,"irt_users":6073,"is_experimental":false},"m_solutions2020_d":{"slope":-0.000622122061077107,"intercept":7.928196351738959,"variance":0.5087558609502923,"difficulty":665,"discrimination":0.004479398673070138,"irt_loglikelihood":-2998.0568791321525,"irt_users":6073,"is_experimental":false},"m_solutions2020_e":{"slope":-0.0004636950829167586,"intercept":8.773392099503782,"variance":0.27637328769554653,"difficulty":2268,"discrimination":0.004479398673070138,"irt_loglikelihood":-396.856540360666,"irt_users":6073,"is_experimental":false},"m_solutions2020_f":{"slope":-0.0005856080365305108,"intercept":9.10342695588783,"variance":0.13772259289531033,"difficulty":2005,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.8259574902618,"irt_users":6073,"is_experimental":false},"abc174_a":{"slope":-0.0007696578415799646,"intercept":5.401541719199621,"variance":1.042929311256315,"difficulty":-1212,"discrimination":0.004479398673070138,"irt_loglikelihood":-301.8997998096647,"irt_users":8446,"is_experimental":false},"abc174_b":{"slope":-0.0010531571151678124,"intercept":6.419110093086962,"variance":0.495698825270393,"difficulty":-495,"discrimination":0.004479398673070138,"irt_loglikelihood":-1255.9748612806789,"irt_users":8446,"is_experimental":false},"abc174_c":{"slope":-0.0011147842669257423,"intercept":7.9812588851993835,"variance":0.5570162527873027,"difficulty":902,"discrimination":0.004479398673070138,"irt_loglikelihood":-3566.1717179469756,"irt_users":8651,"is_experimental":false},"abc174_d":{"slope":-0.0009831021774903933,"intercept":8.139057555050863,"variance":0.42989978037070165,"difficulty":486,"discrimination":0.004479398673070138,"irt_loglikelihood":-3646.3827982847247,"irt_users":8651,"is_experimental":false},"abc174_e":{"slope":-0.0010098901473400022,"intercept":8.475363553722097,"variance":0.5046906531520572,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-1971.3869100413908,"irt_users":8651,"is_experimental":false},"abc174_f":{"slope":-0.00041667037185629354,"intercept":7.93328083827759,"variance":0.5433903977235308,"difficulty":1495,"discrimination":0.004479398673070138,"irt_loglikelihood":-2256.6105479198445,"irt_users":8651,"is_experimental":false},"agc047_a":{"slope":-0.0010121482157023202,"intercept":9.654789237239758,"variance":0.3429802614079459,"difficulty":1592,"discrimination":0.004479398673070138,"irt_loglikelihood":-620.4853266096112,"irt_users":1669,"is_experimental":false},"agc047_b":{"slope":-0.0007652473351632765,"intercept":9.393221736024461,"variance":0.3415105707568443,"difficulty":1871,"discrimination":0.004479398673070138,"irt_loglikelihood":-572.0009260285782,"irt_users":1669,"is_experimental":false},"agc047_c":{"slope":-0.0008255919095016813,"intercept":9.658230533854768,"variance":0.3170148030252276,"difficulty":2496,"discrimination":0.004479398673070138,"irt_loglikelihood":-327.49544450529777,"irt_users":1669,"is_experimental":false},"agc047_d":{"slope":-0.0004056391906796506,"intercept":9.196613999189703,"variance":0.1958036632672256,"difficulty":2910,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.9700306724036,"irt_users":1669,"is_experimental":false},"agc047_e":{"slope":-0.00026546241208482877,"intercept":8.948679930503042,"variance":0.14980514403333742,"difficulty":2979,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.88315175046412,"irt_users":1669,"is_experimental":false},"agc047_f":{"difficulty":4066,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.303014631441009,"irt_users":1669,"is_experimental":false},"abc175_a":{"slope":-0.0009958120391260422,"intercept":6.622997455660251,"variance":0.6854614417771709,"difficulty":-746,"discrimination":0.004479398673070138,"irt_loglikelihood":-787.7739907665884,"irt_users":7596,"is_experimental":false},"abc175_b":{"slope":-0.0010414306960502592,"intercept":7.263782589672204,"variance":0.39452740333893616,"difficulty":-51,"discrimination":0.004479398673070138,"irt_loglikelihood":-2203.4967835931266,"irt_users":7596,"is_experimental":false},"abc175_c":{"slope":-0.0008871243319896972,"intercept":7.941204074302583,"variance":0.45334279517949966,"difficulty":417,"discrimination":0.004479398673070138,"irt_loglikelihood":-3645.155391032964,"irt_users":7766,"is_experimental":false},"abc175_d":{"slope":-0.0006309678023259395,"intercept":8.840515272737669,"variance":0.2406070570807806,"difficulty":1491,"discrimination":0.004479398673070138,"irt_loglikelihood":-1735.10382098793,"irt_users":7766,"is_experimental":false},"abc175_e":{"slope":-0.0007449032598768767,"intercept":8.667940030352115,"variance":0.38478131316557085,"difficulty":1554,"discrimination":0.004479398673070138,"irt_loglikelihood":-1470.0207232611624,"irt_users":7766,"is_experimental":false},"abc175_f":{"slope":-0.0005243068116551316,"intercept":9.05909523246665,"variance":0.14114639109099095,"difficulty":2512,"discrimination":0.004479398673070138,"irt_loglikelihood":-172.39273343237812,"irt_users":7766,"is_experimental":false},"abc176_a":{"slope":-0.0010218516071833416,"intercept":6.230741252982408,"variance":0.6841417805009896,"difficulty":-857,"discrimination":0.004479398673070138,"irt_loglikelihood":-666.7406480649835,"irt_users":8244,"is_experimental":false},"abc176_b":{"slope":-0.001095426752094535,"intercept":6.2751267479079615,"variance":0.6718635382638972,"difficulty":-420,"discrimination":0.004479398673070138,"irt_loglikelihood":-1446.5055482257887,"irt_users":8244,"is_experimental":false},"abc176_c":{"slope":-0.0010405122055445336,"intercept":6.727796498936286,"variance":0.4505009232012081,"difficulty":-288,"discrimination":0.004479398673070138,"irt_loglikelihood":-1741.3550840180426,"irt_users":8403,"is_experimental":false},"abc176_d":{"slope":-0.0009817222449796169,"intercept":8.957532073049848,"variance":0.3039802259043792,"difficulty":1248,"discrimination":0.004479398673070138,"irt_loglikelihood":-2130.454521652994,"irt_users":8403,"is_experimental":false},"abc176_e":{"slope":-0.0008681261836055716,"intercept":8.789949875807517,"variance":0.30758730401600176,"difficulty":1204,"discrimination":0.004479398673070138,"irt_loglikelihood":-2430.681249272954,"irt_users":8403,"is_experimental":false},"abc176_f":{"difficulty":2912,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.50201501393217,"irt_users":8403,"is_experimental":false,"slope":-0.00039070083584550464,"intercept":9.099507840002767,"variance":0.09255007248603181},"abc177_a":{"slope":-0.000941525666702279,"intercept":6.120161152179459,"variance":0.8764667401085297,"difficulty":-857,"discrimination":0.004479398673070138,"irt_loglikelihood":-805.4049964111454,"irt_users":8490,"is_experimental":false},"abc177_b":{"slope":-0.0011512095490275793,"intercept":7.360818831216528,"variance":0.5016986993720832,"difficulty":108,"discrimination":0.004479398673070138,"irt_loglikelihood":-2963.9480157375506,"irt_users":8490,"is_experimental":false},"abc177_c":{"slope":-0.0014121047945684266,"intercept":7.980582216862044,"variance":0.5719478721223828,"difficulty":386,"discrimination":0.004479398673070138,"irt_loglikelihood":-3195.6818801321465,"irt_users":8679,"is_experimental":false},"abc177_d":{"slope":-0.0012949172397786217,"intercept":7.962385892398408,"variance":0.5459826483375895,"difficulty":732,"discrimination":0.004479398673070138,"irt_loglikelihood":-3075.0006957177934,"irt_users":8679,"is_experimental":false},"abc177_e":{"slope":-0.000768955392089359,"intercept":8.340096826810628,"variance":0.4769148715573393,"difficulty":1057,"discrimination":0.004479398673070138,"irt_loglikelihood":-2587.951325951611,"irt_users":8679,"is_experimental":false},"abc177_f":{"slope":-0.0003997999042310156,"intercept":8.847518957528488,"variance":0.17571334628057372,"difficulty":2291,"discrimination":0.004479398673070138,"irt_loglikelihood":-340.15247460955004,"irt_users":8679,"is_experimental":false},"abc178_a":{"slope":-0.0008823646349760567,"intercept":5.3318438755137665,"variance":1.0904771643376114,"difficulty":-1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-380.3114474288946,"irt_users":8316,"is_experimental":false},"abc178_b":{"slope":-0.000999473058713098,"intercept":6.586539137898615,"variance":0.6107687320716239,"difficulty":-413,"discrimination":0.004479398673070138,"irt_loglikelihood":-1694.8083151583608,"irt_users":8316,"is_experimental":false},"abc178_c":{"slope":-0.0011818204444451902,"intercept":7.990688754370809,"variance":0.6076384078855928,"difficulty":653,"discrimination":0.004479398673070138,"irt_loglikelihood":-4010.9100398935147,"irt_users":8515,"is_experimental":false},"abc178_d":{"slope":-0.0011868792499897694,"intercept":8.221071258391396,"variance":0.5145006287342013,"difficulty":875,"discrimination":0.004479398673070138,"irt_loglikelihood":-3137.1752530025137,"irt_users":8515,"is_experimental":false},"abc178_e":{"slope":-0.0008016782081473572,"intercept":8.222325947093822,"variance":0.5163429139934416,"difficulty":1054,"discrimination":0.004479398673070138,"irt_loglikelihood":-3112.54345336698,"irt_users":8515,"is_experimental":false},"abc178_f":{"slope":-0.00004362749024715706,"intercept":7.985175518854019,"variance":0.3331742847930253,"difficulty":1877,"discrimination":0.004479398673070138,"irt_loglikelihood":-1077.3944819686114,"irt_users":8515,"is_experimental":false},"abc179_a":{"slope":-0.0009198677662954275,"intercept":5.940190387686866,"variance":0.800944855362753,"difficulty":-926,"discrimination":0.004479398673070138,"irt_loglikelihood":-577.695144143878,"irt_users":7927,"is_experimental":false},"abc179_b":{"slope":-0.0008945775841725668,"intercept":6.426311706128301,"variance":0.3891447263718051,"difficulty":-563,"discrimination":0.004479398673070138,"irt_loglikelihood":-1068.3543897358481,"irt_users":7927,"is_experimental":false},"abc179_c":{"slope":-0.001161415542341055,"intercept":7.575351329132456,"variance":0.6560890111918293,"difficulty":261,"discrimination":0.004479398673070138,"irt_loglikelihood":-3495.237955796389,"irt_users":8117,"is_experimental":false},"abc179_d":{"slope":-0.0010590417082635807,"intercept":8.741601331334143,"variance":0.2633628295312444,"difficulty":1251,"discrimination":0.004479398673070138,"irt_loglikelihood":-1937.192222904717,"irt_users":8117,"is_experimental":false},"abc179_e":{"slope":-0.0009078789983775797,"intercept":8.858586227524684,"variance":0.24346154901957096,"difficulty":1175,"discrimination":0.004479398673070138,"irt_loglikelihood":-2202.1727008051316,"irt_users":8117,"is_experimental":false},"abc179_f":{"slope":-0.0005843102087050202,"intercept":8.377981567555361,"variance":0.19646972756343556,"difficulty":1713,"discrimination":0.004479398673070138,"irt_loglikelihood":-879.0239813823997,"irt_users":8117,"is_experimental":false},"acl1_a":{"slope":-0.0010914980434319002,"intercept":9.948066763356653,"variance":0.30380924442139595,"difficulty":1546,"discrimination":0.004479398673070138,"irt_loglikelihood":-488.2917734559349,"irt_users":1156,"is_experimental":false},"acl1_b":{"slope":-0.0010485009793018548,"intercept":9.99541723681656,"variance":0.35944254745348275,"difficulty":1785,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.61526420955994,"irt_users":1156,"is_experimental":false},"acl1_c":{"slope":-0.0011130964932030843,"intercept":10.018541028952216,"variance":0.4035059435956463,"difficulty":1983,"discrimination":0.004479398673070138,"irt_loglikelihood":-333.3070539068359,"irt_users":1156,"is_experimental":false},"acl1_d":{"slope":-0.0005582338107545431,"intercept":9.126606093044598,"variance":0.30002129473874745,"difficulty":2764,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.04495747422466,"irt_users":1156,"is_experimental":false},"acl1_e":{"slope":-0.0004870322326487187,"intercept":9.235552693968431,"variance":0.19696878577378146,"difficulty":2605,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.2536838849572,"irt_users":1156,"is_experimental":false},"acl1_f":{"difficulty":3734,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.264005754909616,"irt_users":1156,"is_experimental":false},"abl_a":{"slope":-0.0008715994269504097,"intercept":5.615199232510932,"variance":1.2903110203875185,"difficulty":-1080,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.0138480060694,"irt_users":3923,"is_experimental":false},"abl_b":{"slope":-0.0009655028161588684,"intercept":6.794566255484268,"variance":0.771464935620701,"difficulty":-422,"discrimination":0.004479398673070138,"irt_loglikelihood":-734.5725401793444,"irt_users":3923,"is_experimental":false},"abl_c":{"slope":-0.0012698024776229481,"intercept":7.607993766738658,"variance":0.646695800190611,"difficulty":435,"discrimination":0.004479398673070138,"irt_loglikelihood":-1264.4759113342477,"irt_users":3923,"is_experimental":false},"abl_d":{"slope":-0.0012742971956509427,"intercept":9.131593390108945,"variance":0.5074226027922253,"difficulty":1283,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.9878834926977,"irt_users":3923,"is_experimental":false},"abl_e":{"slope":-0.000691269139568367,"intercept":8.764237372622185,"variance":0.3666412873829501,"difficulty":1706,"discrimination":0.004479398673070138,"irt_loglikelihood":-721.3504155774832,"irt_users":3923,"is_experimental":false},"abl_f":{"slope":-0.00034751632441403147,"intercept":8.642862984847367,"variance":0.23551301374691663,"difficulty":2545,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.78282483281592,"irt_users":3923,"is_experimental":false},"arc104_a":{"slope":-0.0008786748880111242,"intercept":6.064064707212154,"variance":0.8632978163615369,"difficulty":-972,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.0971185887191,"irt_users":5121,"is_experimental":false},"arc104_b":{"slope":-0.0011050861040109144,"intercept":8.063814490861837,"variance":0.45443731563822376,"difficulty":487,"discrimination":0.004479398673070138,"irt_loglikelihood":-1673.164799655734,"irt_users":5121,"is_experimental":false},"arc104_c":{"slope":-0.0006464932781373172,"intercept":9.446240608770553,"variance":0.23195155627916053,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-741.3508073386926,"irt_users":5121,"is_experimental":false},"arc104_d":{"slope":-0.0006145690345610662,"intercept":9.31799533838674,"variance":0.23271184139395848,"difficulty":2251,"discrimination":0.004479398673070138,"irt_loglikelihood":-469.5593010698255,"irt_users":5121,"is_experimental":false},"arc104_e":{"slope":-0.0003259284829008023,"intercept":8.655024986679413,"variance":0.19659110610594935,"difficulty":2824,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.93820236028083,"irt_users":5121,"is_experimental":false},"arc104_f":{"difficulty":3213,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.27867399426552,"irt_users":5121,"is_experimental":false},"hhkb2020_a":{"slope":-0.0008164746509508522,"intercept":6.030965607210702,"variance":0.6951761008716492,"difficulty":-939,"discrimination":0.004479398673070138,"irt_loglikelihood":-382.96663061414085,"irt_users":5721,"is_experimental":false},"hhkb2020_b":{"slope":-0.0011778481444318588,"intercept":7.244123320328029,"variance":0.3758403276253867,"difficulty":-147,"discrimination":0.004479398673070138,"irt_loglikelihood":-1223.9105688014695,"irt_users":5721,"is_experimental":false},"hhkb2020_c":{"slope":-0.0013753434877935313,"intercept":7.77850263610944,"variance":0.5522158470608894,"difficulty":349,"discrimination":0.004479398673070138,"irt_loglikelihood":-1981.250237411174,"irt_users":5721,"is_experimental":false},"hhkb2020_d":{"slope":-0.0006819813946865013,"intercept":8.806192037233991,"variance":0.2919882753724997,"difficulty":1804,"discrimination":0.004479398673070138,"irt_loglikelihood":-1037.254436893067,"irt_users":5721,"is_experimental":false},"hhkb2020_e":{"slope":-0.0010137126746391802,"intercept":9.342956218063287,"variance":0.2455467373070337,"difficulty":1399,"discrimination":0.004479398673070138,"irt_loglikelihood":-1284.0846684675917,"irt_users":5721,"is_experimental":false},"hhkb2020_f":{"slope":-0.0006567247015660968,"intercept":9.52868319909403,"variance":0.10178436764167345,"difficulty":2691,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.92222080614063,"irt_users":5721,"is_experimental":false},"arc105_a":{"slope":-0.0008394163252408744,"intercept":6.943414571067224,"variance":0.544310697475554,"difficulty":-582,"discrimination":0.004479398673070138,"irt_loglikelihood":-477.55999145745886,"irt_users":3586,"is_experimental":false},"arc105_b":{"slope":-0.0010597962092835649,"intercept":7.713127314348042,"variance":0.7611884209274645,"difficulty":365,"discrimination":0.004479398673070138,"irt_loglikelihood":-1315.8758359366607,"irt_users":3586,"is_experimental":false},"arc105_c":{"slope":-0.0008106661050338328,"intercept":9.409165072849436,"variance":0.20894040122942228,"difficulty":1964,"discrimination":0.004479398673070138,"irt_loglikelihood":-567.3714946731349,"irt_users":3586,"is_experimental":false},"arc105_d":{"slope":-0.0007024509395608761,"intercept":8.990442511290542,"variance":0.29523300492547533,"difficulty":1871,"discrimination":0.004479398673070138,"irt_loglikelihood":-743.7339289356388,"irt_users":3586,"is_experimental":false},"arc105_e":{"slope":-0.0003701894635188241,"intercept":8.604544283132384,"variance":0.15311410257223299,"difficulty":2615,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.03307758196792,"irt_users":3586,"is_experimental":false},"arc105_f":{"difficulty":3231,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.50191952206521,"irt_users":3586,"is_experimental":false,"slope":-0.0007357197461714653,"intercept":9.782225312688116,"variance":0.05683304115973583},"abc180_a":{"slope":-0.0010003441239346193,"intercept":5.599610624915149,"variance":1.5289119500391597,"difficulty":-1169,"discrimination":0.004479398673070138,"irt_loglikelihood":-214.86990231609715,"irt_users":5206,"is_experimental":false},"abc180_b":{"slope":-0.0008386392200675926,"intercept":6.955181711237703,"variance":0.6314220320135504,"difficulty":-54,"discrimination":0.004479398673070138,"irt_loglikelihood":-1763.411660352127,"irt_users":5206,"is_experimental":false},"abc180_c":{"slope":-0.0011344971699640614,"intercept":7.2240981691465125,"variance":0.861992326290152,"difficulty":-13,"discrimination":0.004479398673070138,"irt_loglikelihood":-1709.875295507548,"irt_users":5350,"is_experimental":false},"abc180_d":{"slope":-0.0009804905622610822,"intercept":8.489636464523766,"variance":0.42632274910283674,"difficulty":752,"discrimination":0.004479398673070138,"irt_loglikelihood":-2105.149173370523,"irt_users":5350,"is_experimental":false},"abc180_e":{"slope":-0.0009226244547710817,"intercept":8.572746402366374,"variance":0.34431236579673463,"difficulty":1256,"discrimination":0.004479398673070138,"irt_loglikelihood":-1322.4737161638145,"irt_users":5350,"is_experimental":false},"abc180_f":{"slope":-0.0004004012992677791,"intercept":8.739362336128153,"variance":0.2166743738093933,"difficulty":2419,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.4438276112771,"irt_users":5350,"is_experimental":false},"agc048_a":{"slope":-0.0007203909275511248,"intercept":8.83177500238767,"variance":0.4366258494291992,"difficulty":1187,"discrimination":0.004479398673070138,"irt_loglikelihood":-493.7163401014923,"irt_users":1145,"is_experimental":false},"agc048_b":{"slope":-0.0006249687452073887,"intercept":8.979662852285616,"variance":0.45126829218422093,"difficulty":1902,"discrimination":0.004479398673070138,"irt_loglikelihood":-567.8152140092384,"irt_users":1145,"is_experimental":false},"agc048_c":{"slope":-0.0006869295658087934,"intercept":9.610673610133812,"variance":0.2645803474790943,"difficulty":2120,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.3285953191601,"irt_users":1145,"is_experimental":false},"agc048_d":{"slope":-0.00038007289451391597,"intercept":9.180519564863609,"variance":0.13453732187838266,"difficulty":3046,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.79660888933515,"irt_users":1145,"is_experimental":false},"agc048_e":{"difficulty":3819,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.005782054163788,"irt_users":1145,"is_experimental":false,"slope":-0.00020485812717234477,"intercept":9.015808346449662,"variance":0.03535973269264173},"agc048_f":{"is_experimental":false},"arc106_a":{"slope":-0.0010069370782705503,"intercept":8.060355963008583,"variance":0.6958811248423067,"difficulty":277,"discrimination":0.004479398673070138,"irt_loglikelihood":-1491.2724564336897,"irt_users":4036,"is_experimental":false},"arc106_b":{"slope":-0.0010901487609481194,"intercept":8.31581694894743,"variance":0.39083892180376545,"difficulty":732,"discrimination":0.004479398673070138,"irt_loglikelihood":-1363.5767762744204,"irt_users":4036,"is_experimental":false},"arc106_c":{"slope":-0.0006508964377143461,"intercept":8.710644751535751,"variance":0.21150824201490864,"difficulty":1225,"discrimination":0.004479398673070138,"irt_loglikelihood":-1204.7603874430451,"irt_users":4036,"is_experimental":false},"arc106_d":{"slope":-0.0005355085495075342,"intercept":8.659645326569422,"variance":0.27947613705616203,"difficulty":1988,"discrimination":0.004479398673070138,"irt_loglikelihood":-638.6482193175411,"irt_users":4036,"is_experimental":false},"arc106_e":{"slope":-0.0004538373259819421,"intercept":8.88004656261276,"variance":0.13363798032840682,"difficulty":2825,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.06636010764316,"irt_users":4036,"is_experimental":false},"arc106_f":{"slope":-0.00012407719619072168,"intercept":7.960142709660414,"variance":0.25940903211993516,"difficulty":2755,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.7140872140712,"irt_users":4036,"is_experimental":false},"arc107_a":{"slope":-0.0011600160812801125,"intercept":7.476950184641651,"variance":0.6429585646535901,"difficulty":-28,"discrimination":0.004479398673070138,"irt_loglikelihood":-658.1292806080709,"irt_users":3600,"is_experimental":false},"arc107_b":{"slope":-0.001152341920282873,"intercept":8.59507888097955,"variance":0.27920369789148414,"difficulty":633,"discrimination":0.004479398673070138,"irt_loglikelihood":-1212.0808480701298,"irt_users":3600,"is_experimental":false},"arc107_c":{"slope":-0.0008995159395284979,"intercept":8.688794108582359,"variance":0.23818939393213778,"difficulty":1223,"discrimination":0.004479398673070138,"irt_loglikelihood":-1100.5336279921069,"irt_users":3600,"is_experimental":false},"arc107_d":{"slope":-0.0004875786084536605,"intercept":8.509977743061345,"variance":0.42651329819971917,"difficulty":2099,"discrimination":0.004479398673070138,"irt_loglikelihood":-532.9816723884853,"irt_users":3600,"is_experimental":false},"arc107_e":{"slope":-0.00038881180943397517,"intercept":8.778789358638667,"variance":0.16614765456027317,"difficulty":2604,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.52419315347746,"irt_users":3600,"is_experimental":false},"arc107_f":{"difficulty":3130,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.21934818483241,"irt_users":3600,"is_experimental":false,"slope":-0.0016338440565761378,"intercept":12.086445543319883,"variance":0.2506888521780545},"abc181_a":{"slope":-0.000854181400144314,"intercept":5.590226285035222,"variance":1.1902108844403372,"difficulty":-1179,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.04365824159134,"irt_users":5779,"is_experimental":false},"abc181_b":{"slope":-0.0012408868418360291,"intercept":6.709627182088843,"variance":0.4614921510162648,"difficulty":-413,"discrimination":0.004479398673070138,"irt_loglikelihood":-974.9830449650943,"irt_users":5779,"is_experimental":false},"abc181_c":{"slope":-0.0010364334613766244,"intercept":7.742177049691159,"variance":0.45054551295087364,"difficulty":248,"discrimination":0.004479398673070138,"irt_loglikelihood":-2160.7017888281307,"irt_users":5883,"is_experimental":false},"abc181_d":{"slope":-0.0007524309071247812,"intercept":8.218513447482868,"variance":0.36865943814691143,"difficulty":600,"discrimination":0.004479398673070138,"irt_loglikelihood":-2341.1833427707134,"irt_users":5883,"is_experimental":false},"abc181_e":{"slope":-0.0008290801567029562,"intercept":8.72772506471714,"variance":0.18344631315713764,"difficulty":1193,"discrimination":0.004479398673070138,"irt_loglikelihood":-1241.813486383092,"irt_users":5883,"is_experimental":false},"abc181_f":{"slope":-0.0005699691516547713,"intercept":8.453409368998352,"variance":0.29245756185595095,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-430.52550362876866,"irt_users":5883,"is_experimental":false},"abc182_a":{"slope":-0.000793691832801417,"intercept":5.774251858073284,"variance":0.8514694436646296,"difficulty":-1144,"discrimination":0.004479398673070138,"irt_loglikelihood":-286.75115785858634,"irt_users":6672,"is_experimental":false},"abc182_b":{"slope":-0.0011488446654899771,"intercept":7.24426817534877,"variance":0.41229379989395953,"difficulty":-108,"discrimination":0.004479398673070138,"irt_loglikelihood":-1661.4742163538128,"irt_users":6672,"is_experimental":false},"abc182_c":{"slope":-0.001059677600556117,"intercept":7.93609691728114,"variance":0.3953057132370522,"difficulty":274,"discrimination":0.004479398673070138,"irt_loglikelihood":-2389.443611283226,"irt_users":6840,"is_experimental":false},"abc182_d":{"slope":-0.0012022864071650527,"intercept":8.324859068143827,"variance":0.42119477532701677,"difficulty":701,"discrimination":0.004479398673070138,"irt_loglikelihood":-2285.0978909582554,"irt_users":6840,"is_experimental":false},"abc182_e":{"slope":-0.0008170719400144961,"intercept":8.456092242494435,"variance":0.27113303135125566,"difficulty":1098,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.1064873009134,"irt_users":6840,"is_experimental":false},"abc182_f":{"slope":-0.0004907295545392462,"intercept":8.755247261806815,"variance":0.22258459808318348,"difficulty":2121,"discrimination":0.004479398673070138,"irt_loglikelihood":-448.5784394108099,"irt_users":6840,"is_experimental":false},"agc049_a":{"slope":-0.0009502731074535973,"intercept":9.452750561110271,"variance":0.6807421753063609,"difficulty":1922,"discrimination":0.004479398673070138,"irt_loglikelihood":-459.88714597579224,"irt_users":917,"is_experimental":false},"agc049_b":{"slope":-0.0009652578880043646,"intercept":9.791285737791405,"variance":0.39058338496079115,"difficulty":1171,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.0447873950621,"irt_users":917,"is_experimental":false},"agc049_c":{"slope":-0.0006414502942381395,"intercept":9.7615837006046,"variance":0.2774842885613384,"difficulty":2177,"discrimination":0.004479398673070138,"irt_loglikelihood":-365.41380978669616,"irt_users":917,"is_experimental":false},"agc049_d":{"slope":-0.0007784309158415248,"intercept":10.394303855873897,"variance":0.2974478656537402,"difficulty":2602,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.52665708946665,"irt_users":917,"is_experimental":false},"agc049_e":{"difficulty":3496,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.811417470414625,"irt_users":917,"is_experimental":false,"slope":-0.0005933136615292971,"intercept":10.417615639289297,"variance":0.10270502547431472},"agc049_f":{"is_experimental":false},"abc183_a":{"slope":-0.0009656364031623212,"intercept":5.409285196871132,"variance":1.0077534205772751,"difficulty":-1280,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.83240882022199,"irt_users":6420,"is_experimental":false},"abc183_b":{"slope":-0.0008301189656719607,"intercept":7.134084979237283,"variance":0.3977295546164268,"difficulty":-55,"discrimination":0.004479398673070138,"irt_loglikelihood":-2465.651600456117,"irt_users":6420,"is_experimental":false},"abc183_c":{"slope":-0.0012107694376531219,"intercept":7.926087701769219,"variance":0.30793370473892373,"difficulty":329,"discrimination":0.004479398673070138,"irt_loglikelihood":-2170.189120697374,"irt_users":6583,"is_experimental":false},"abc183_d":{"slope":-0.0011663491510359105,"intercept":7.995865284492191,"variance":0.44488871110908196,"difficulty":662,"discrimination":0.004479398673070138,"irt_loglikelihood":-2146.995710457184,"irt_users":6583,"is_experimental":false},"abc183_e":{"slope":-0.0008815439637306677,"intercept":8.649164185508871,"variance":0.3347995131586456,"difficulty":1288,"discrimination":0.004479398673070138,"irt_loglikelihood":-1490.4459997547226,"irt_users":6583,"is_experimental":false},"abc183_f":{"slope":-0.00061848548534984,"intercept":8.225105966088336,"variance":0.3954370777731644,"difficulty":1586,"discrimination":0.004479398673070138,"irt_loglikelihood":-1073.0227901624073,"irt_users":6583,"is_experimental":false},"tenka1_2013_qualB_d":{"difficulty":3182,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.3512303340364835,"irt_users":185,"is_experimental":true},"arc022_4":{"is_experimental":true},"arc047_d":{"is_experimental":true},"discovery_2016_final_e":{"is_experimental":true},"codefestival_2016_final_j":{"is_experimental":false},"arc108_a":{"slope":-0.0010317318704562673,"intercept":7.3428961502085155,"variance":0.9021052807371736,"difficulty":-3,"discrimination":0.004479398673070138,"irt_loglikelihood":-1147.6242256178891,"irt_users":3948,"is_experimental":false},"arc108_b":{"slope":-0.000952750807888458,"intercept":8.121783397818852,"variance":0.7581910530841227,"difficulty":681,"discrimination":0.004479398673070138,"irt_loglikelihood":-2153.074619784887,"irt_users":3948,"is_experimental":false},"arc108_c":{"slope":-0.0007333518685836786,"intercept":8.804027429613225,"variance":0.316403183050153,"difficulty":1460,"discrimination":0.004479398673070138,"irt_loglikelihood":-1072.7860833168647,"irt_users":3948,"is_experimental":false},"arc108_d":{"slope":-0.0004875555250902089,"intercept":8.771129367323987,"variance":0.18412207826521793,"difficulty":1987,"discrimination":0.004479398673070138,"irt_loglikelihood":-580.4611387875157,"irt_users":3948,"is_experimental":false},"arc108_e":{"difficulty":3101,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.81853104597324,"irt_users":3948,"is_experimental":false,"slope":-0.0003811970955024752,"intercept":8.764558173596624,"variance":0.12767635528469215},"arc108_f":{"slope":-0.0002265460261851426,"intercept":8.19783446954518,"variance":0.20273802228547333,"difficulty":2646,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.5739991723041,"irt_users":3948,"is_experimental":false},"abc184_a":{"slope":-0.0008778491815044208,"intercept":5.389038838991783,"variance":1.055941759711927,"difficulty":-1299,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.3245242098537,"irt_users":7025,"is_experimental":false},"abc184_b":{"slope":-0.000809198456755653,"intercept":5.956985329954487,"variance":0.37391925090019806,"difficulty":-797,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.4421447223774,"irt_users":7025,"is_experimental":false},"abc184_c":{"slope":-0.0008501254906562228,"intercept":8.348056995589596,"variance":0.37508190695508586,"difficulty":782,"discrimination":0.004479398673070138,"irt_loglikelihood":-3977.451641719232,"irt_users":7242,"is_experimental":false},"abc184_d":{"slope":-0.0010138215962514402,"intercept":8.587490430254384,"variance":0.395674066434601,"difficulty":1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-2013.5490967633932,"irt_users":7242,"is_experimental":false},"abc184_e":{"slope":-0.0008794352242395363,"intercept":8.82077331726856,"variance":0.31996079848792786,"difficulty":1418,"discrimination":0.004479398673070138,"irt_loglikelihood":-1543.3278943757432,"irt_users":7242,"is_experimental":false},"abc184_f":{"slope":-0.0009684020918950874,"intercept":8.573834379915183,"variance":0.49729512146308397,"difficulty":1423,"discrimination":0.004479398673070138,"irt_loglikelihood":-1380.2475473580766,"irt_users":7242,"is_experimental":false},"arc109_a":{"slope":-0.0007770968240520259,"intercept":7.8580582970558,"variance":0.43053603443995486,"difficulty":-86,"discrimination":0.004479398673070138,"irt_loglikelihood":-1188.7569495629855,"irt_users":3822,"is_experimental":false},"arc109_b":{"slope":-0.000791939744257459,"intercept":8.177295516523149,"variance":0.487038464869652,"difficulty":524,"discrimination":0.004479398673070138,"irt_loglikelihood":-1766.4557393693315,"irt_users":3822,"is_experimental":false},"arc109_c":{"slope":-0.0007808727900075552,"intercept":8.619260268739517,"variance":0.2935940509812426,"difficulty":1157,"discrimination":0.004479398673070138,"irt_loglikelihood":-1326.8679526162023,"irt_users":3822,"is_experimental":false},"arc109_d":{"slope":-0.00020388019933358876,"intercept":8.53335446025753,"variance":0.18826405195395696,"difficulty":2394,"discrimination":0.004479398673070138,"irt_loglikelihood":-466.39256896558413,"irt_users":3822,"is_experimental":false},"arc109_e":{"slope":-0.00020549989849348016,"intercept":8.444638189081804,"variance":0.2643075908350514,"difficulty":2661,"discrimination":0.004479398673070138,"irt_loglikelihood":-282.800475767299,"irt_users":3822,"is_experimental":false},"arc109_f":{"difficulty":3625,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.013750892235468,"irt_users":3822,"is_experimental":false,"slope":-0.00014386134276976132,"intercept":8.865850167303307,"variance":0.0476245650472911},"arc110_a":{"slope":-0.0010908583491840854,"intercept":7.799581202137531,"variance":0.7875890971059794,"difficulty":-81,"discrimination":0.004479398673070138,"irt_loglikelihood":-998.4597903518072,"irt_users":3740,"is_experimental":false},"arc110_b":{"slope":-0.0009400596086264279,"intercept":8.780470571623734,"variance":0.3158874809793433,"difficulty":655,"discrimination":0.004479398673070138,"irt_loglikelihood":-1517.9750447784438,"irt_users":3740,"is_experimental":false},"arc110_c":{"slope":-0.0007743400682462663,"intercept":8.6505314564533,"variance":0.3129806999235806,"difficulty":1100,"discrimination":0.004479398673070138,"irt_loglikelihood":-1212.9290441836374,"irt_users":3740,"is_experimental":false},"arc110_d":{"slope":-0.0007247426709575061,"intercept":9.212664398983355,"variance":0.28363484164111913,"difficulty":2078,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.3935317331758,"irt_users":3740,"is_experimental":false},"arc110_e":{"difficulty":2973,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.87810762978539,"irt_users":3740,"is_experimental":false,"slope":-0.0004225070034264892,"intercept":9.151719399581587,"variance":0.2204578470787745},"arc110_f":{"slope":-0.00024991851875814784,"intercept":8.466976239299418,"variance":0.28087924107821405,"difficulty":2719,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.92005536925083,"irt_users":3740,"is_experimental":false},"abc185_a":{"slope":-0.0009713475456628331,"intercept":5.680667157891695,"variance":0.9223689430714994,"difficulty":-1216,"discrimination":0.004479398673070138,"irt_loglikelihood":-462.3913500351149,"irt_users":6373,"is_experimental":false},"abc185_b":{"slope":-0.0008779369753928698,"intercept":7.45845393177518,"variance":0.24995179569457857,"difficulty":-183,"discrimination":0.004479398673070138,"irt_loglikelihood":-1964.7842629362965,"irt_users":6373,"is_experimental":false},"abc185_c":{"slope":-0.0009034597944511999,"intercept":7.539256419817414,"variance":0.5996594333009329,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-2714.8578608318294,"irt_users":6560,"is_experimental":false},"abc185_d":{"slope":-0.0009028704469997771,"intercept":8.067922125317061,"variance":0.2542744997703523,"difficulty":490,"discrimination":0.004479398673070138,"irt_loglikelihood":-2368.824063773392,"irt_users":6560,"is_experimental":false},"abc185_e":{"slope":-0.0006306073958529582,"intercept":7.955112087825358,"variance":0.4876725788082354,"difficulty":1468,"discrimination":0.004479398673070138,"irt_loglikelihood":-1407.6429890698203,"irt_users":6560,"is_experimental":false},"abc185_f":{"slope":-0.0008779011729577214,"intercept":8.033096523480776,"variance":0.5311402082863265,"difficulty":1053,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.4928681148922,"irt_users":6560,"is_experimental":false},"abc186_a":{"slope":-0.0008689655071405731,"intercept":5.327600637133268,"variance":1.0413398233055746,"difficulty":-1438,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.2409237225334,"irt_users":5573,"is_experimental":false},"abc186_b":{"slope":-0.0009201033494407279,"intercept":6.357699173201253,"variance":0.3534776165484121,"difficulty":-671,"discrimination":0.004479398673070138,"irt_loglikelihood":-809.3552758179021,"irt_users":5573,"is_experimental":false},"abc186_c":{"slope":-0.0010924404045848481,"intercept":7.201930899603986,"variance":0.5085501969579045,"difficulty":-45,"discrimination":0.004479398673070138,"irt_loglikelihood":-1903.6857733392858,"irt_users":5796,"is_experimental":false},"abc186_d":{"slope":-0.0011502479395062292,"intercept":7.768247428265386,"variance":0.6278500910434068,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-2511.899578986414,"irt_users":5796,"is_experimental":false},"abc186_e":{"slope":-0.0008471176536494319,"intercept":8.808561672350457,"variance":0.3752026444110931,"difficulty":1461,"discrimination":0.004479398673070138,"irt_loglikelihood":-1350.5667651964675,"irt_users":5796,"is_experimental":false},"abc186_f":{"slope":-0.0006501587557030222,"intercept":9.081141159016296,"variance":0.2360045878975472,"difficulty":1833,"discrimination":0.004479398673070138,"irt_loglikelihood":-617.9980225458253,"irt_users":5796,"is_experimental":false},"agc050_a":{"slope":-0.0009379078299183835,"intercept":9.926040720304023,"variance":0.6087505325109179,"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.2493617698048,"irt_users":319,"is_experimental":false},"agc050_b":{"slope":-0.00094743988745712,"intercept":10.562783134540124,"variance":0.43857122409687177,"difficulty":2091,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.67753540934353,"irt_users":319,"is_experimental":false},"agc050_c":{"slope":-0.0008232451856823902,"intercept":10.48943908173722,"variance":0.22552418083043635,"difficulty":2528,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.89113660844006,"irt_users":319,"is_experimental":false},"agc050_d":{"slope":-0.0005967070945693045,"intercept":9.705395530563464,"variance":0.23395480816202094,"difficulty":2674,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.92530186943573,"irt_users":319,"is_experimental":false},"agc050_e":{"is_experimental":false},"agc050_f":{"difficulty":4076,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.962023638111722,"irt_users":319,"is_experimental":false},"agc051_a":{"slope":-0.0008363494603018402,"intercept":9.3874578271358,"variance":0.4020714643080312,"difficulty":1495,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.65722803811677,"irt_users":313,"is_experimental":false},"agc051_b":{"slope":-0.0007767133773723548,"intercept":9.543027466578451,"variance":0.4447241290865514,"difficulty":1759,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.75487181406396,"irt_users":313,"is_experimental":false},"agc051_c":{"slope":-0.0007841372680920268,"intercept":11.066645061259502,"variance":0.17955448051829007,"difficulty":2928,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.76288513189287,"irt_users":313,"is_experimental":false},"agc051_d":{"slope":-0.0006185968234664417,"intercept":10.436404137905525,"variance":0.2725046037550966,"difficulty":2807,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.95361863089917,"irt_users":313,"is_experimental":false},"agc051_e":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.955203458325491,"irt_users":313,"is_experimental":false},"agc051_f":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.150990078871615,"irt_users":313,"is_experimental":false},"abc187_a":{"slope":-0.0008172880600614155,"intercept":6.050701098416333,"variance":0.7488848421138234,"difficulty":-1172,"discrimination":0.004479398673070138,"irt_loglikelihood":-525.5745858749613,"irt_users":6139,"is_experimental":false},"abc187_b":{"slope":-0.0008680160473957357,"intercept":6.847576851013668,"variance":0.348458097142957,"difficulty":-311,"discrimination":0.004479398673070138,"irt_loglikelihood":-1568.0696025768586,"irt_users":6139,"is_experimental":false},"abc187_c":{"slope":-0.0009092431046563492,"intercept":7.392833943702079,"variance":0.44407162206230694,"difficulty":137,"discrimination":0.004479398673070138,"irt_loglikelihood":-2239.0139249984727,"irt_users":6338,"is_experimental":false},"abc187_d":{"slope":-0.0009173638193710168,"intercept":7.991914395180138,"variance":0.44023607371135715,"difficulty":650,"discrimination":0.004479398673070138,"irt_loglikelihood":-2669.80978053479,"irt_users":6338,"is_experimental":false},"abc187_e":{"slope":-0.000688140393433573,"intercept":8.489666592145388,"variance":0.2840955401694923,"difficulty":1358,"discrimination":0.004479398673070138,"irt_loglikelihood":-1430.0127713652457,"irt_users":6338,"is_experimental":false},"abc187_f":{"slope":-0.0005376945673881328,"intercept":8.228193051355824,"variance":0.43203432891529747,"difficulty":1895,"discrimination":0.004479398673070138,"irt_loglikelihood":-627.5859534318893,"irt_users":6338,"is_experimental":false},"arc111_a":{"slope":-0.0010143498940090006,"intercept":8.551286505803255,"variance":0.8434636687534312,"difficulty":1146,"discrimination":0.004479398673070138,"irt_loglikelihood":-1129.526500345823,"irt_users":2429,"is_experimental":false},"arc111_b":{"slope":-0.001202789869947795,"intercept":9.373321391458296,"variance":0.6048139714269801,"difficulty":1334,"discrimination":0.004479398673070138,"irt_loglikelihood":-848.2745822897283,"irt_users":2429,"is_experimental":false},"arc111_c":{"slope":-0.0006629126359673066,"intercept":8.898400701029304,"variance":0.2563461790706018,"difficulty":1750,"discrimination":0.004479398673070138,"irt_loglikelihood":-630.4579517523201,"irt_users":2429,"is_experimental":false},"arc111_d":{"slope":-0.0005662050795696475,"intercept":8.810379586013582,"variance":0.34891084957251145,"difficulty":2064,"discrimination":0.004479398673070138,"irt_loglikelihood":-475.5274222253924,"irt_users":2429,"is_experimental":false},"arc111_e":{"slope":-0.00042902948742407814,"intercept":8.597518812963399,"variance":0.3795962319937724,"difficulty":2541,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.83778841738737,"irt_users":2429,"is_experimental":false},"arc111_f":{"difficulty":3119,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.12076592402089,"irt_users":2429,"is_experimental":false},"abc188_a":{"slope":-0.0008334611058410108,"intercept":5.850422435117564,"variance":0.8133515964558473,"difficulty":-1177,"discrimination":0.004479398673070138,"irt_loglikelihood":-497.94285051283475,"irt_users":6885,"is_experimental":false},"abc188_b":{"slope":-0.0007531985763819305,"intercept":5.7782858269202,"variance":0.37821493997092265,"difficulty":-913,"discrimination":0.004479398673070138,"irt_loglikelihood":-752.5130540719562,"irt_users":6885,"is_experimental":false},"abc188_c":{"slope":-0.0008772124676051866,"intercept":7.576196348321544,"variance":0.36414521740906775,"difficulty":-83,"discrimination":0.004479398673070138,"irt_loglikelihood":-2468.2318293633184,"irt_users":7089,"is_experimental":false},"abc188_d":{"slope":-0.0009694273259592851,"intercept":8.439546717937333,"variance":0.30166154561079983,"difficulty":933,"discrimination":0.004479398673070138,"irt_loglikelihood":-2413.67434438861,"irt_users":7089,"is_experimental":false},"abc188_e":{"slope":-0.0010578837613372234,"intercept":8.748386549724982,"variance":0.3995684479703278,"difficulty":1170,"discrimination":0.004479398673070138,"irt_loglikelihood":-1786.587792004562,"irt_users":7089,"is_experimental":false},"abc188_f":{"slope":-0.00012532829947820305,"intercept":7.837974036659626,"variance":0.44897288861250584,"difficulty":1865,"discrimination":0.004479398673070138,"irt_loglikelihood":-898.6741129977696,"irt_users":7089,"is_experimental":false},"keyence2021_a":{"slope":-0.0010353457756225948,"intercept":7.906837230314332,"variance":0.43604460092430153,"difficulty":22,"discrimination":0.004479398673070138,"irt_loglikelihood":-923.7457170043186,"irt_users":3624,"is_experimental":false},"keyence2021_b":{"slope":-0.0009406305727226446,"intercept":7.905459819311409,"variance":0.46275547297553493,"difficulty":295,"discrimination":0.004479398673070138,"irt_loglikelihood":-1034.0710843307902,"irt_users":3624,"is_experimental":false},"keyence2021_c":{"slope":-0.0008245282074607238,"intercept":9.102710610425982,"variance":0.30255246459282115,"difficulty":1468,"discrimination":0.004479398673070138,"irt_loglikelihood":-945.0266747648207,"irt_users":3624,"is_experimental":false},"keyence2021_d":{"slope":-0.00036420414033418966,"intercept":8.533290202887102,"variance":0.31496711873106914,"difficulty":2115,"discrimination":0.004479398673070138,"irt_loglikelihood":-608.2385428465442,"irt_users":3624,"is_experimental":false},"keyence2021_e":{"slope":-0.00036902746830231106,"intercept":8.517130134607964,"variance":0.300239872216228,"difficulty":2560,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.5495916555377,"irt_users":3624,"is_experimental":false},"keyence2021_f":{"difficulty":3461,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.900604185253673,"irt_users":3624,"is_experimental":false,"slope":-0.0005436218749582009,"intercept":10.185415981711014,"variance":0.05799206464173741},"abc189_a":{"slope":-0.0008398140069244203,"intercept":5.7972791217887165,"variance":0.9801637557376811,"difficulty":-1145,"discrimination":0.004479398673070138,"irt_loglikelihood":-604.8750152945673,"irt_users":7519,"is_experimental":false},"abc189_b":{"slope":-0.0012402476498224266,"intercept":7.686672981038838,"variance":0.7342658129122736,"difficulty":249,"discrimination":0.004479398673070138,"irt_loglikelihood":-3848.4607272749786,"irt_users":7519,"is_experimental":false},"abc189_c":{"slope":-0.0009302036424371939,"intercept":7.885491865389218,"variance":0.6110513657511458,"difficulty":565,"discrimination":0.004479398673070138,"irt_loglikelihood":-4151.717763614538,"irt_users":7721,"is_experimental":false},"abc189_d":{"slope":-0.0010022796787951599,"intercept":8.240830093311569,"variance":0.40934998524921073,"difficulty":769,"discrimination":0.004479398673070138,"irt_loglikelihood":-2609.6775005841027,"irt_users":7721,"is_experimental":false},"abc189_e":{"slope":-0.0005119135003190904,"intercept":8.530214519312326,"variance":0.1793966632427021,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-1389.340453570779,"irt_users":7721,"is_experimental":false},"abc189_f":{"slope":-0.0005110565198807333,"intercept":8.465195461238046,"variance":0.2581053997517562,"difficulty":2154,"discrimination":0.004479398673070138,"irt_loglikelihood":-485.8697155892645,"irt_users":7721,"is_experimental":false},"abc190_a":{"slope":-0.0008125730962734903,"intercept":6.530569709363453,"variance":0.6327302975283458,"difficulty":-954,"discrimination":0.004479398673070138,"irt_loglikelihood":-1138.7363265264605,"irt_users":8034,"is_experimental":false},"abc190_b":{"slope":-0.0007798572659334526,"intercept":6.2772730336111735,"variance":0.42798431569086975,"difficulty":-774,"discrimination":0.004479398673070138,"irt_loglikelihood":-1393.3008941735827,"irt_users":8034,"is_experimental":false},"abc190_c":{"slope":-0.0011242991306963529,"intercept":8.022609966709167,"variance":0.32497280085684715,"difficulty":472,"discrimination":0.004479398673070138,"irt_loglikelihood":-2913.564594640587,"irt_users":8261,"is_experimental":false},"abc190_d":{"slope":-0.0008233465781365447,"intercept":8.100761300499894,"variance":0.4177673621820105,"difficulty":722,"discrimination":0.004479398673070138,"irt_loglikelihood":-3628.787207650656,"irt_users":8261,"is_experimental":false},"abc190_e":{"slope":-0.0008283773936043212,"intercept":8.867291020281963,"variance":0.24014318882890395,"difficulty":1645,"discrimination":0.004479398673070138,"irt_loglikelihood":-1002.9831794790543,"irt_users":8261,"is_experimental":false},"abc190_f":{"slope":-0.0008954840011204424,"intercept":8.511441080961658,"variance":0.40728325285866873,"difficulty":1321,"discrimination":0.004479398673070138,"irt_loglikelihood":-1725.011950003883,"irt_users":8261,"is_experimental":false},"abc191_a":{"slope":-0.0008469932816067102,"intercept":6.4551652157237545,"variance":0.7153207350479718,"difficulty":-717,"discrimination":0.004479398673070138,"irt_loglikelihood":-1709.2821846663528,"irt_users":7692,"is_experimental":false},"abc191_b":{"slope":-0.001028203386877095,"intercept":6.233220489452567,"variance":0.6769621845610764,"difficulty":-791,"discrimination":0.004479398673070138,"irt_loglikelihood":-1552.6656140887815,"irt_users":7692,"is_experimental":false},"abc191_c":{"slope":-0.0008603151115692325,"intercept":8.327496657785842,"variance":0.48002634448230763,"difficulty":1063,"discrimination":0.004479398673070138,"irt_loglikelihood":-3818.0669026564547,"irt_users":7939,"is_experimental":false},"abc191_d":{"slope":-0.0003939041861357316,"intercept":8.557832719245797,"variance":0.3027209738413461,"difficulty":1953,"discrimination":0.004479398673070138,"irt_loglikelihood":-1024.9637063771793,"irt_users":7939,"is_experimental":false},"abc191_e":{"slope":-0.0007713469344169462,"intercept":8.729765225280264,"variance":0.4059333657454789,"difficulty":1323,"discrimination":0.004479398673070138,"irt_loglikelihood":-1905.3652560758803,"irt_users":7939,"is_experimental":false},"abc191_f":{"slope":-0.0004471205711427401,"intercept":8.378090737540806,"variance":0.4422812370209481,"difficulty":2333,"discrimination":0.004479398673070138,"irt_loglikelihood":-346.84103880874255,"irt_users":7939,"is_experimental":false},"arc112_a":{"slope":-0.0009063455539586274,"intercept":7.962661338279917,"variance":0.48897896002955277,"difficulty":-125,"discrimination":0.004479398673070138,"irt_loglikelihood":-1103.2389940025457,"irt_users":4266,"is_experimental":false},"arc112_b":{"slope":-0.0007767436535860638,"intercept":8.768985146125061,"variance":0.3044242106987355,"difficulty":822,"discrimination":0.004479398673070138,"irt_loglikelihood":-1791.7447341192303,"irt_users":4266,"is_experimental":false},"arc112_c":{"slope":-0.0006572107153458257,"intercept":9.21411776710834,"variance":0.22557588173410803,"difficulty":1913,"discrimination":0.004479398673070138,"irt_loglikelihood":-694.7908236314038,"irt_users":4266,"is_experimental":false},"arc112_d":{"slope":-0.0007158648495841965,"intercept":9.06598375642556,"variance":0.287769071831591,"difficulty":2028,"discrimination":0.004479398673070138,"irt_loglikelihood":-626.5007171238741,"irt_users":4266,"is_experimental":false},"arc112_e":{"slope":-0.00045376832133538984,"intercept":8.82797303776789,"variance":0.15056018518834363,"difficulty":2659,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.3206516751,"irt_users":4266,"is_experimental":false},"arc112_f":{"slope":-0.0004980571951354363,"intercept":9.53562781900618,"variance":0.023386991025906995,"difficulty":3432,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.769460999189807,"irt_users":4266,"is_experimental":false},"abc192_a":{"slope":-0.0008227956848387261,"intercept":5.828628722561362,"variance":0.9630181190750313,"difficulty":-1209,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.5024337676726,"irt_users":7557,"is_experimental":false},"abc192_b":{"slope":-0.0008499842489417974,"intercept":6.463063488211316,"variance":0.40840637642932626,"difficulty":-748,"discrimination":0.004479398673070138,"irt_loglikelihood":-1109.871632710043,"irt_users":7557,"is_experimental":false},"abc192_c":{"slope":-0.000861634043039644,"intercept":7.364934502891099,"variance":0.40081987768306354,"difficulty":-135,"discrimination":0.004479398673070138,"irt_loglikelihood":-2689.3653282537666,"irt_users":7832,"is_experimental":false},"abc192_d":{"slope":-0.0007022695562479771,"intercept":8.863804542270122,"variance":0.3196163797949533,"difficulty":1425,"discrimination":0.004479398673070138,"irt_loglikelihood":-1922.662234263524,"irt_users":7832,"is_experimental":false},"abc192_e":{"slope":-0.0008757569737172185,"intercept":8.711742570157954,"variance":0.35077389443244694,"difficulty":1135,"discrimination":0.004479398673070138,"irt_loglikelihood":-2078.693508863434,"irt_users":7832,"is_experimental":false},"abc192_f":{"slope":-0.0006420567822278637,"intercept":8.561673620915565,"variance":0.3097136098501425,"difficulty":1783,"discrimination":0.004479398673070138,"irt_loglikelihood":-854.5492968602288,"irt_users":7832,"is_experimental":false},"arc113_a":{"slope":-0.0008918991218589925,"intercept":7.659532231146652,"variance":0.7810829859974552,"difficulty":191,"discrimination":0.004479398673070138,"irt_loglikelihood":-1490.595798875723,"irt_users":3727,"is_experimental":false},"arc113_b":{"slope":-0.0007619777129388512,"intercept":8.377097362405378,"variance":0.4593504761306244,"difficulty":573,"discrimination":0.004479398673070138,"irt_loglikelihood":-1693.4205999962671,"irt_users":3727,"is_experimental":false},"arc113_c":{"slope":-0.0007732822474456624,"intercept":8.310859150375483,"variance":0.37755439710457744,"difficulty":829,"discrimination":0.004479398673070138,"irt_loglikelihood":-1249.84639878291,"irt_users":3727,"is_experimental":false},"arc113_d":{"slope":-0.0006263793260444403,"intercept":8.553975891472456,"variance":0.26271792056625715,"difficulty":1389,"discrimination":0.004479398673070138,"irt_loglikelihood":-1068.6684941232013,"irt_users":3727,"is_experimental":false},"arc113_e":{"slope":-0.00011329225109365815,"intercept":8.628054734938194,"variance":0.06306404382546166,"difficulty":2789,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.93551129346787,"irt_users":3727,"is_experimental":false},"arc113_f":{"difficulty":3990,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.425298236085346,"irt_users":3727,"is_experimental":false},"abc193_a":{"slope":-0.0008411876400806867,"intercept":6.055263314035912,"variance":0.7751831902662127,"difficulty":-1117,"discrimination":0.004479398673070138,"irt_loglikelihood":-593.1008737149691,"irt_users":7027,"is_experimental":false},"abc193_b":{"slope":-0.0009090267375435677,"intercept":6.736105574939881,"variance":0.26408750008583565,"difficulty":-552,"discrimination":0.004479398673070138,"irt_loglikelihood":-1389.1357859306768,"irt_users":7027,"is_experimental":false},"abc193_c":{"slope":-0.0010645828995470732,"intercept":7.915986409102302,"variance":0.5427628810592091,"difficulty":378,"discrimination":0.004479398673070138,"irt_loglikelihood":-3243.379808370684,"irt_users":7257,"is_experimental":false},"abc193_d":{"slope":-0.0007252309260144525,"intercept":8.47676080458863,"variance":0.18135185554553274,"difficulty":866,"discrimination":0.004479398673070138,"irt_loglikelihood":-2334.690748596181,"irt_users":7257,"is_experimental":false},"abc193_e":{"slope":-0.0005402759656916267,"intercept":8.510403391940468,"variance":0.4479304043860405,"difficulty":1948,"discrimination":0.004479398673070138,"irt_loglikelihood":-778.5065382855347,"irt_users":7257,"is_experimental":false},"abc193_f":{"slope":-0.0009067967938403301,"intercept":9.46686526072161,"variance":0.35857195942450065,"difficulty":2475,"discrimination":0.004479398673070138,"irt_loglikelihood":-217.6741179604073,"irt_users":7257,"is_experimental":false},"abc194_a":{"slope":-0.0006782128119992341,"intercept":6.432247413762639,"variance":0.5010428363249397,"difficulty":-925,"discrimination":0.004479398673070138,"irt_loglikelihood":-972.6713790817463,"irt_users":7078,"is_experimental":false},"abc194_b":{"slope":-0.0010775088856491409,"intercept":7.442665703408217,"variance":0.4515412521363797,"difficulty":-138,"discrimination":0.004479398673070138,"irt_loglikelihood":-2354.351422312537,"irt_users":7078,"is_experimental":false},"abc194_c":{"slope":-0.0010935523997512987,"intercept":7.897097908954475,"variance":0.422574827008208,"difficulty":386,"discrimination":0.004479398673070138,"irt_loglikelihood":-2768.9783475026056,"irt_users":7293,"is_experimental":false},"abc194_d":{"slope":-0.0009818424136676875,"intercept":7.9868195657996965,"variance":0.5376036273943287,"difficulty":1078,"discrimination":0.004479398673070138,"irt_loglikelihood":-2416.156927883569,"irt_users":7293,"is_experimental":false},"abc194_e":{"slope":-0.0007896026161218003,"intercept":8.454649140517512,"variance":0.37531308621959697,"difficulty":1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-2041.578554301501,"irt_users":7293,"is_experimental":false},"abc194_f":{"slope":-0.00027321649629552226,"intercept":8.339031513134149,"variance":0.21386589962686137,"difficulty":2197,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.4781071440953,"irt_users":7293,"is_experimental":false},"agc052_a":{"slope":-0.0004266576781870494,"intercept":8.441458175336152,"variance":0.6715496146931322,"difficulty":779,"discrimination":0.004479398673070138,"irt_loglikelihood":-1001.2261535544604,"irt_users":1006,"is_experimental":false},"agc052_b":{"slope":-0.0007852405426258083,"intercept":9.97884980348356,"variance":0.3984568392194726,"difficulty":2473,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.3478192523741,"irt_users":1006,"is_experimental":false},"agc052_c":{"slope":-0.0007498505534561898,"intercept":10.62319399213546,"variance":0.12826009893213125,"difficulty":2936,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.99754331654317,"irt_users":1006,"is_experimental":false},"agc052_d":{"slope":-0.00045320267225938096,"intercept":9.525288181287873,"variance":0.18188229866968536,"difficulty":3304,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.01188518115987,"irt_users":1006,"is_experimental":false},"agc052_e":{"slope":-0.00017108754240127984,"intercept":8.881466094047147,"variance":0.0715048430833497,"difficulty":3457,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.93326627363792,"irt_users":1006,"is_experimental":false},"agc052_f":{"is_experimental":false},"abc195_a":{"slope":-0.0008191780925977163,"intercept":5.6100536251475335,"variance":0.9437542600224816,"difficulty":-1321,"discrimination":0.004479398673070138,"irt_loglikelihood":-392.5218469349293,"irt_users":6915,"is_experimental":false},"abc195_b":{"slope":-0.0007644611950640772,"intercept":7.667372460840816,"variance":0.42756664116087856,"difficulty":483,"discrimination":0.004479398673070138,"irt_loglikelihood":-3815.3072401886984,"irt_users":6915,"is_experimental":false},"abc195_c":{"slope":-0.0009785635180059008,"intercept":8.002533775873005,"variance":0.46752598414756175,"difficulty":235,"discrimination":0.004479398673070138,"irt_loglikelihood":-3409.391444406199,"irt_users":7143,"is_experimental":false},"abc195_d":{"slope":-0.0007423129579481637,"intercept":8.229221373529564,"variance":0.2663540640137103,"difficulty":945,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.776961147188,"irt_users":7143,"is_experimental":false},"abc195_e":{"slope":-0.0008329973885701115,"intercept":8.65679791588016,"variance":0.3225090410294196,"difficulty":1609,"discrimination":0.004479398673070138,"irt_loglikelihood":-1017.0566623968425,"irt_users":7143,"is_experimental":false},"abc195_f":{"slope":-0.0003920045070899777,"intercept":8.163112193974456,"variance":0.3608291478771777,"difficulty":2068,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.5614404734138,"irt_users":7143,"is_experimental":false},"arc114_a":{"slope":-0.0012748892723457924,"intercept":9.135580520173807,"variance":0.40796022587396236,"difficulty":750,"discrimination":0.004479398673070138,"irt_loglikelihood":-977.882900356721,"irt_users":2917,"is_experimental":false},"arc114_b":{"slope":-0.0010550860666186327,"intercept":8.850705013385463,"variance":0.4465616051079569,"difficulty":1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-908.6405183041641,"irt_users":2917,"is_experimental":false},"arc114_c":{"slope":-0.0005096841836037119,"intercept":8.830650972167238,"variance":0.3824224986885413,"difficulty":2056,"discrimination":0.004479398673070138,"irt_loglikelihood":-607.4671934542665,"irt_users":2917,"is_experimental":false},"arc114_d":{"slope":-0.0002718070457876421,"intercept":8.57816014038624,"variance":0.15748626232116233,"difficulty":2723,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.22440039946878,"irt_users":2917,"is_experimental":false},"arc114_e":{"slope":-0.00046061832643760816,"intercept":8.762482391231213,"variance":0.43514543506867787,"difficulty":2514,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.5618610574676,"irt_users":2917,"is_experimental":false},"arc114_f":{"difficulty":3545,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.36568401165467,"irt_users":2917,"is_experimental":false},"abc196_a":{"slope":-0.0008741532760375516,"intercept":5.888508306284459,"variance":0.8545219990203585,"difficulty":-1120,"discrimination":0.004479398673070138,"irt_loglikelihood":-643.9687509857367,"irt_users":7535,"is_experimental":false},"abc196_b":{"slope":-0.0009870015551409973,"intercept":6.2319921667389915,"variance":0.7318535137544364,"difficulty":-530,"discrimination":0.004479398673070138,"irt_loglikelihood":-1676.0339004125103,"irt_users":7535,"is_experimental":false},"abc196_c":{"slope":-0.001087518426921169,"intercept":7.913615600786805,"variance":0.6800837555446527,"difficulty":202,"discrimination":0.004479398673070138,"irt_loglikelihood":-3412.290216023877,"irt_users":7758,"is_experimental":false},"abc196_d":{"slope":-0.0006565274437604181,"intercept":8.466336521995773,"variance":0.34774324396915945,"difficulty":1277,"discrimination":0.004479398673070138,"irt_loglikelihood":-2087.2331710254784,"irt_users":7758,"is_experimental":false},"abc196_e":{"slope":-0.0008393913283427896,"intercept":9.063324420604763,"variance":0.37177234154199396,"difficulty":1650,"discrimination":0.004479398673070138,"irt_loglikelihood":-1124.7609540554786,"irt_users":7758,"is_experimental":false},"abc196_f":{"slope":-0.0007833893259860108,"intercept":8.955890310912258,"variance":0.3918511287118391,"difficulty":2274,"discrimination":0.004479398673070138,"irt_loglikelihood":-384.9740085273453,"irt_users":7758,"is_experimental":false},"arc115_a":{"slope":-0.0009336078330700888,"intercept":8.24893666716886,"variance":0.5661033908839396,"difficulty":641,"discrimination":0.004479398673070138,"irt_loglikelihood":-1307.3885803912801,"irt_users":2466,"is_experimental":false},"arc115_b":{"slope":-0.000870751019272856,"intercept":8.465645950956093,"variance":0.37422897818684736,"difficulty":629,"discrimination":0.004479398673070138,"irt_loglikelihood":-879.2870752415985,"irt_users":2466,"is_experimental":false},"arc115_c":{"slope":-0.0008420537216135884,"intercept":8.13955365559893,"variance":0.4830573416337551,"difficulty":706,"discrimination":0.004479398673070138,"irt_loglikelihood":-924.3313236559108,"irt_users":2466,"is_experimental":false},"arc115_d":{"slope":-0.0005710584521562625,"intercept":9.091579924403618,"variance":0.2908964041693353,"difficulty":2325,"discrimination":0.004479398673070138,"irt_loglikelihood":-312.95548765327186,"irt_users":2466,"is_experimental":false},"arc115_e":{"slope":-0.00026335395106987246,"intercept":8.496732008146928,"variance":0.2209856863907058,"difficulty":2363,"discrimination":0.004479398673070138,"irt_loglikelihood":-333.01780051023894,"irt_users":2466,"is_experimental":false},"arc115_f":{"difficulty":3336,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.850954055626747,"irt_users":2466,"is_experimental":false},"abc197_a":{"slope":-0.0010164788051681458,"intercept":5.760621438583515,"variance":1.0954192154146773,"difficulty":-1263,"discrimination":0.004479398673070138,"irt_loglikelihood":-510.97037766265225,"irt_users":6844,"is_experimental":false},"abc197_b":{"slope":-0.0010096546540560782,"intercept":7.498481098462279,"variance":0.3491782019189471,"difficulty":-170,"discrimination":0.004479398673070138,"irt_loglikelihood":-2098.274494981195,"irt_users":6844,"is_experimental":false},"abc197_c":{"slope":-0.001196458151234812,"intercept":8.407798340327702,"variance":0.4112738035188105,"difficulty":809,"discrimination":0.004479398673070138,"irt_loglikelihood":-2191.327970777556,"irt_users":7050,"is_experimental":false},"abc197_d":{"slope":-0.0007795174262148073,"intercept":8.060292141335367,"variance":0.34913384386813273,"difficulty":831,"discrimination":0.004479398673070138,"irt_loglikelihood":-3271.177968993902,"irt_users":7050,"is_experimental":false},"abc197_e":{"slope":-0.0008750722564560145,"intercept":8.8594785823521,"variance":0.21191992403253251,"difficulty":1379,"discrimination":0.004479398673070138,"irt_loglikelihood":-1109.8681617367452,"irt_users":7050,"is_experimental":false},"abc197_f":{"slope":-0.000573651869863493,"intercept":8.519527107846367,"variance":0.30664113363537737,"difficulty":1945,"discrimination":0.004479398673070138,"irt_loglikelihood":-541.5094213051801,"irt_users":7050,"is_experimental":false},"arc116_a":{"slope":-0.0010555873427222058,"intercept":7.648990367164328,"variance":0.7184975346265916,"difficulty":22,"discrimination":0.004479398673070138,"irt_loglikelihood":-885.7561851222084,"irt_users":3320,"is_experimental":false},"arc116_b":{"slope":-0.0010941801459114148,"intercept":8.69683940105082,"variance":0.3833792393471667,"difficulty":816,"discrimination":0.004479398673070138,"irt_loglikelihood":-1064.2537063380087,"irt_users":3320,"is_experimental":false},"arc116_c":{"slope":-0.0009617671967472554,"intercept":9.087377122557923,"variance":0.35536593550214923,"difficulty":1468,"discrimination":0.004479398673070138,"irt_loglikelihood":-853.8984540861319,"irt_users":3320,"is_experimental":false},"arc116_d":{"slope":-0.0008878805924277886,"intercept":8.885973601775829,"variance":0.42025507243502536,"difficulty":1718,"discrimination":0.004479398673070138,"irt_loglikelihood":-631.2649670885456,"irt_users":3320,"is_experimental":false},"arc116_e":{"slope":-0.00011308190584531869,"intercept":7.959303786898227,"variance":0.38351733927592,"difficulty":2236,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.3848067854737,"irt_users":3320,"is_experimental":false},"arc116_f":{"slope":-0.0003358267071688209,"intercept":8.71293484870464,"variance":0.14799254410947102,"difficulty":3125,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.21857055794693,"irt_users":3320,"is_experimental":false},"agc053_a":{"slope":-0.0005413383728378203,"intercept":8.814497280545103,"variance":0.6934386470081783,"difficulty":1339,"discrimination":0.004479398673070138,"irt_loglikelihood":-782.9793764411481,"irt_users":1101,"is_experimental":false},"agc053_b":{"slope":-0.0011015903606445513,"intercept":10.156655223332297,"variance":0.5744955474612605,"difficulty":1755,"discrimination":0.004479398673070138,"irt_loglikelihood":-425.03535909085304,"irt_users":1101,"is_experimental":false},"agc053_c":{"slope":-0.0006895826694061721,"intercept":10.449255815447424,"variance":0.12920579853626243,"difficulty":2878,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.82675773447643,"irt_users":1101,"is_experimental":false},"agc053_d":{"difficulty":3949,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.94885089583934,"irt_users":1101,"is_experimental":false},"agc053_e":{"difficulty":4036,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.004891601023516,"irt_users":1101,"is_experimental":false},"agc053_f":{"is_experimental":false},"abc198_a":{"slope":-0.0010063432121178496,"intercept":5.83422284630269,"variance":1.2090746680082032,"difficulty":-1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-733.7654499867731,"irt_users":6871,"is_experimental":false},"abc198_b":{"slope":-0.001043487347722143,"intercept":7.213461356081137,"variance":0.5602880908632689,"difficulty":-369,"discrimination":0.004479398673070138,"irt_loglikelihood":-1833.2682970219828,"irt_users":6871,"is_experimental":false},"abc198_c":{"slope":-0.00043650592616347687,"intercept":7.762185248023559,"variance":0.42220610350550625,"difficulty":413,"discrimination":0.004479398673070138,"irt_loglikelihood":-4434.514470478958,"irt_users":7073,"is_experimental":false},"abc198_d":{"slope":-0.0005988030839013843,"intercept":8.366034728884514,"variance":0.28477646902828535,"difficulty":1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-1936.1671538706426,"irt_users":7073,"is_experimental":false},"abc198_e":{"slope":-0.000874122647441888,"intercept":8.34162689456373,"variance":0.507325150090821,"difficulty":1161,"discrimination":0.004479398673070138,"irt_loglikelihood":-1935.147463776048,"irt_users":7073,"is_experimental":false},"abc198_f":{"difficulty":2769,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.89030912041471,"irt_users":7073,"is_experimental":false},"jsc2021_a":{"slope":-0.0008142978485401023,"intercept":6.942591454182436,"variance":0.6804272499072787,"difficulty":-497,"discrimination":0.004479398673070138,"irt_loglikelihood":-839.4097993867238,"irt_users":3752,"is_experimental":false},"jsc2021_b":{"slope":-0.0009939157259984566,"intercept":7.029307458062265,"variance":0.5543954220097312,"difficulty":-427,"discrimination":0.004479398673070138,"irt_loglikelihood":-686.0061991080983,"irt_users":3752,"is_experimental":false},"jsc2021_c":{"slope":-0.0011529393046774644,"intercept":7.90427996978536,"variance":0.5219569119403489,"difficulty":338,"discrimination":0.004479398673070138,"irt_loglikelihood":-1386.9606678553487,"irt_users":3752,"is_experimental":false},"jsc2021_d":{"slope":-0.0011689399532544965,"intercept":8.219446529765209,"variance":0.5136854024682069,"difficulty":743,"discrimination":0.004479398673070138,"irt_loglikelihood":-1286.942454439972,"irt_users":3752,"is_experimental":false},"jsc2021_e":{"slope":-0.0006729736711394535,"intercept":9.554356423627311,"variance":0.17914716296897282,"difficulty":2213,"discrimination":0.004479398673070138,"irt_loglikelihood":-376.69027693903956,"irt_users":3752,"is_experimental":false},"jsc2021_f":{"slope":-0.0006152812179726202,"intercept":9.124824235991648,"variance":0.25065629871295675,"difficulty":1954,"discrimination":0.004479398673070138,"irt_loglikelihood":-588.3623770521142,"irt_users":3752,"is_experimental":false},"jsc2021_g":{"slope":-0.0008683813189746091,"intercept":9.480827660728496,"variance":0.3094141444376413,"difficulty":2451,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.13516416005382,"irt_users":3752,"is_experimental":false},"jsc2021_h":{"difficulty":3383,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.842685463323832,"irt_users":3752,"is_experimental":false},"arc117_a":{"slope":-0.0007867321681687649,"intercept":7.603125816600972,"variance":0.4315680232365975,"difficulty":-403,"discrimination":0.004479398673070138,"irt_loglikelihood":-733.5389855566256,"irt_users":3475,"is_experimental":false},"arc117_b":{"slope":-0.0009806760103779088,"intercept":8.066527929357981,"variance":0.4371763989110967,"difficulty":609,"discrimination":0.004479398673070138,"irt_loglikelihood":-1336.4220916753095,"irt_users":3475,"is_experimental":false},"arc117_c":{"slope":-0.0007357346089236528,"intercept":9.168834983663256,"variance":0.31588591827192347,"difficulty":1768,"discrimination":0.004479398673070138,"irt_loglikelihood":-846.4408676378868,"irt_users":3475,"is_experimental":false},"arc117_d":{"slope":-0.0006735123141061552,"intercept":9.32952133551159,"variance":0.22350646183537967,"difficulty":2115,"discrimination":0.004479398673070138,"irt_loglikelihood":-492.06688189084906,"irt_users":3475,"is_experimental":false},"arc117_e":{"difficulty":3166,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.63266623896069,"irt_users":3475,"is_experimental":false},"arc117_f":{"difficulty":3378,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.95119207199825,"irt_users":3475,"is_experimental":false},"abc199_a":{"slope":-0.00088713731875737,"intercept":5.665429318681864,"variance":0.9927081977260416,"difficulty":-1323,"discrimination":0.004479398673070138,"irt_loglikelihood":-418.3884969934053,"irt_users":7471,"is_experimental":false},"abc199_b":{"slope":-0.0010021995793828482,"intercept":6.669914885059341,"variance":0.40996814062355263,"difficulty":-547,"discrimination":0.004479398673070138,"irt_loglikelihood":-1508.2463105395664,"irt_users":7471,"is_experimental":false},"abc199_c":{"slope":-0.001143407034746365,"intercept":8.192990802864566,"variance":0.39066447565719076,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-2919.743566443341,"irt_users":7697,"is_experimental":false},"abc199_d":{"slope":-0.0006385694031783693,"intercept":8.754125376773032,"variance":0.3413903170235079,"difficulty":1804,"discrimination":0.004479398673070138,"irt_loglikelihood":-1031.4972868765324,"irt_users":7697,"is_experimental":false},"abc199_e":{"slope":-0.0009671639547943535,"intercept":9.170489292237027,"variance":0.37187389617837957,"difficulty":1814,"discrimination":0.004479398673070138,"irt_loglikelihood":-830.5911564900757,"irt_users":7697,"is_experimental":false},"abc199_f":{"slope":-0.0010472792314435101,"intercept":9.452459459357593,"variance":0.29703528722524397,"difficulty":2065,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.8001531440337,"irt_users":7697,"is_experimental":false},"zone2021_a":{"slope":-0.0008015208277886594,"intercept":6.18133822677724,"variance":0.8464553559618173,"difficulty":-1001,"discrimination":0.004479398673070138,"irt_loglikelihood":-738.6960110766951,"irt_users":6541,"is_experimental":false},"zone2021_b":{"slope":-0.0007670775246882741,"intercept":7.401079674406473,"variance":0.3191319000271777,"difficulty":-22,"discrimination":0.004479398673070138,"irt_loglikelihood":-2703.38458163255,"irt_users":6541,"is_experimental":false},"zone2021_c":{"slope":-0.0009641258713991652,"intercept":8.830476881753352,"variance":0.33157856859254037,"difficulty":1497,"discrimination":0.004479398673070138,"irt_loglikelihood":-1210.615379524986,"irt_users":6541,"is_experimental":false},"zone2021_d":{"slope":-0.001004216068211398,"intercept":8.349364006405827,"variance":0.46809059749760124,"difficulty":719,"discrimination":0.004479398673070138,"irt_loglikelihood":-2612.5362078715057,"irt_users":6541,"is_experimental":false},"zone2021_e":{"slope":-0.0007679857045611033,"intercept":8.74794339507714,"variance":0.3014286206070127,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-1061.6729217843772,"irt_users":6541,"is_experimental":false},"zone2021_f":{"slope":-0.000634056113065251,"intercept":8.829304278997746,"variance":0.29499344594009963,"difficulty":2197,"discrimination":0.004479398673070138,"irt_loglikelihood":-355.3925901083199,"irt_users":6541,"is_experimental":false},"abc200_a":{"slope":-0.0009477270129674928,"intercept":5.912519504344704,"variance":0.8175272008966903,"difficulty":-1321,"discrimination":0.004479398673070138,"irt_loglikelihood":-344.9073441294269,"irt_users":7484,"is_experimental":false},"abc200_b":{"slope":-0.000762176862485465,"intercept":6.109866139350643,"variance":0.435338934380436,"difficulty":-804,"discrimination":0.004479398673070138,"irt_loglikelihood":-975.9392819734587,"irt_users":7484,"is_experimental":false},"abc200_c":{"slope":-0.001388684701104078,"intercept":7.712228011674677,"variance":0.6600251778624772,"difficulty":138,"discrimination":0.004479398673070138,"irt_loglikelihood":-2682.905351737701,"irt_users":7764,"is_experimental":false},"abc200_d":{"slope":-0.0006227083378796645,"intercept":8.663518762849252,"variance":0.3179009742094285,"difficulty":1217,"discrimination":0.004479398673070138,"irt_loglikelihood":-2382.7403225856997,"irt_users":7764,"is_experimental":false},"abc200_e":{"slope":-0.0005209779937982068,"intercept":8.820806542670747,"variance":0.20583472668680225,"difficulty":1955,"discrimination":0.004479398673070138,"irt_loglikelihood":-704.2493619306124,"irt_users":7764,"is_experimental":false},"abc200_f":{"slope":-0.0006687097316008532,"intercept":9.298268723055218,"variance":0.18778296364236927,"difficulty":2556,"discrimination":0.004479398673070138,"irt_loglikelihood":-172.49367628832064,"irt_users":7764,"is_experimental":false},"arc118_a":{"slope":-0.0007177986210278083,"intercept":8.110062401315547,"variance":0.44493807184417894,"difficulty":418,"discrimination":0.004479398673070138,"irt_loglikelihood":-1571.0899215413137,"irt_users":2730,"is_experimental":false},"arc118_b":{"slope":-0.0006209718219842033,"intercept":8.447849332292488,"variance":0.37102782582112825,"difficulty":1196,"discrimination":0.004479398673070138,"irt_loglikelihood":-1147.4141645341156,"irt_users":2730,"is_experimental":false},"arc118_c":{"slope":-0.0007828974641877036,"intercept":8.771707348746737,"variance":0.46334245005368396,"difficulty":1151,"discrimination":0.004479398673070138,"irt_loglikelihood":-1065.565814113236,"irt_users":2730,"is_experimental":false},"arc118_d":{"slope":-0.0002547900458127376,"intercept":8.782725212598075,"variance":0.1298872353383051,"difficulty":2448,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.15384626061683,"irt_users":2730,"is_experimental":false},"arc118_e":{"slope":-0.0003380875916654806,"intercept":8.97945708085173,"variance":0.18694258563447808,"difficulty":3092,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.25046949824636,"irt_users":2730,"is_experimental":false},"arc118_f":{"difficulty":3610,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.78653017356025,"irt_users":2730,"is_experimental":false},"abc201_a":{"slope":-0.0009839690103656228,"intercept":6.299528242136499,"variance":0.76409681492572,"difficulty":-1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-853.6728229883355,"irt_users":7672,"is_experimental":false},"abc201_b":{"slope":-0.0010248798313836078,"intercept":6.582123810282683,"variance":0.5090448628237019,"difficulty":-614,"discrimination":0.004479398673070138,"irt_loglikelihood":-1429.633000951683,"irt_users":7672,"is_experimental":false},"abc201_c":{"slope":-0.0011329634940689692,"intercept":8.279704044068506,"variance":0.3749160490696115,"difficulty":439,"discrimination":0.004479398673070138,"irt_loglikelihood":-3234.5158688295774,"irt_users":7930,"is_experimental":false},"abc201_d":{"slope":-0.0009361529748155415,"intercept":8.852152799238478,"variance":0.3334042908227862,"difficulty":1317,"discrimination":0.004479398673070138,"irt_loglikelihood":-1656.2504557906436,"irt_users":7930,"is_experimental":false},"abc201_e":{"slope":-0.0007759194579486096,"intercept":8.770875548759825,"variance":0.4518215101432257,"difficulty":1694,"discrimination":0.004479398673070138,"irt_loglikelihood":-1138.590137796535,"irt_users":7930,"is_experimental":false},"abc201_f":{"slope":-0.00037024140552178623,"intercept":8.445831266245742,"variance":0.21225807259954674,"difficulty":2484,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.50836773693538,"irt_users":7930,"is_experimental":false},"arc119_a":{"slope":-0.001076098548188037,"intercept":7.700917250125625,"variance":0.5146809047784829,"difficulty":-303,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.8778221228017,"irt_users":2791,"is_experimental":false},"arc119_b":{"slope":-0.0007808863786021787,"intercept":8.278014312244313,"variance":0.6918465816835481,"difficulty":1196,"discrimination":0.004479398673070138,"irt_loglikelihood":-1546.5201993561075,"irt_users":2791,"is_experimental":false},"arc119_c":{"slope":-0.001007731980896809,"intercept":9.062454944824479,"variance":0.5113238507891712,"difficulty":1354,"discrimination":0.004479398673070138,"irt_loglikelihood":-901.4132652963732,"irt_users":2791,"is_experimental":false},"arc119_d":{"slope":-0.0005492238518057181,"intercept":9.309853007132652,"variance":0.17296755436521125,"difficulty":2713,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.3551434365681,"irt_users":2791,"is_experimental":false},"arc119_e":{"slope":-0.0004018944304028328,"intercept":9.039559690732252,"variance":0.17626823372399011,"difficulty":2502,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.7933126298979,"irt_users":2791,"is_experimental":false},"arc119_f":{"difficulty":3671,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.650007388505195,"irt_users":2791,"is_experimental":false},"abc202_a":{"slope":-0.0008667831637678787,"intercept":5.503903785253317,"variance":0.9166488795109591,"difficulty":-1398,"discrimination":0.004479398673070138,"irt_loglikelihood":-431.52088214572785,"irt_users":7862,"is_experimental":false},"abc202_b":{"slope":-0.0008820508772263841,"intercept":6.204637962757692,"variance":0.44600887057989647,"difficulty":-884,"discrimination":0.004479398673070138,"irt_loglikelihood":-1029.2122007844036,"irt_users":7862,"is_experimental":false},"abc202_c":{"slope":-0.001196298833825231,"intercept":7.699585468677119,"variance":0.5023953443427608,"difficulty":130,"discrimination":0.004479398673070138,"irt_loglikelihood":-2889.429407075185,"irt_users":8079,"is_experimental":false},"abc202_d":{"slope":-0.0009772551913245602,"intercept":8.710617150994134,"variance":0.312881506825225,"difficulty":966,"discrimination":0.004479398673070138,"irt_loglikelihood":-2477.7851829046176,"irt_users":8079,"is_experimental":false},"abc202_e":{"slope":-0.0005669808905660778,"intercept":8.378013239598188,"variance":0.47703221662096085,"difficulty":1638,"discrimination":0.004479398673070138,"irt_loglikelihood":-1303.9872251998477,"irt_users":8079,"is_experimental":false},"abc202_f":{"difficulty":2905,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.337470761809406,"irt_users":8079,"is_experimental":false},"arc120_a":{"slope":-0.0009729126475268077,"intercept":8.390627024388774,"variance":0.4017226334060124,"difficulty":183,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.9645262858311,"irt_users":2040,"is_experimental":false},"arc120_b":{"slope":-0.0010076576612402716,"intercept":8.664656789474332,"variance":0.38168096764835624,"difficulty":835,"discrimination":0.004479398673070138,"irt_loglikelihood":-703.1866325027644,"irt_users":2040,"is_experimental":false},"arc120_c":{"slope":-0.0009613073108066872,"intercept":9.257022300485035,"variance":0.2517518039725438,"difficulty":1478,"discrimination":0.004479398673070138,"irt_loglikelihood":-519.1581705764958,"irt_users":2040,"is_experimental":false},"arc120_d":{"slope":-0.0006214257847538873,"intercept":8.647177294817453,"variance":0.3287219068591632,"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-431.0638941278227,"irt_users":2040,"is_experimental":false},"arc120_e":{"slope":-0.00006792869380087494,"intercept":8.226615244809611,"variance":0.1737075645323253,"difficulty":2653,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.3882247904216,"irt_users":2040,"is_experimental":false},"arc120_f":{"slope":-0.00046205580087292723,"intercept":9.292394709587745,"variance":0.10036396302608486,"difficulty":3094,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.98685383112113,"irt_users":2040,"is_experimental":false},"arc120_f2":{"is_experimental":false},"arc121_a":{"slope":-0.0007710942861795108,"intercept":8.473213907027535,"variance":0.32450611820150776,"difficulty":459,"discrimination":0.004479398673070138,"irt_loglikelihood":-1408.2741497224772,"irt_users":3298,"is_experimental":false},"arc121_b":{"slope":-0.000626544076875,"intercept":8.841347643968783,"variance":0.248623510840525,"difficulty":1159,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.543958399552,"irt_users":3298,"is_experimental":false},"arc121_c":{"slope":-0.00035812333541863407,"intercept":8.597629022611896,"variance":0.2468786933690807,"difficulty":1856,"discrimination":0.004479398673070138,"irt_loglikelihood":-805.3312783670417,"irt_users":3298,"is_experimental":false},"arc121_d":{"slope":-0.0007746431555193862,"intercept":9.37648796674136,"variance":0.3485635362287292,"difficulty":2784,"discrimination":0.004479398673070138,"irt_loglikelihood":-177.45656027433688,"irt_users":3298,"is_experimental":false},"arc121_e":{"slope":-0.0005224402277082667,"intercept":8.838915931456834,"variance":0.35763313848833045,"difficulty":2645,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.27535917873146,"irt_users":3298,"is_experimental":false},"arc121_f":{"slope":-0.0004673031341565731,"intercept":8.63549147199406,"variance":0.3027452820010663,"difficulty":2940,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.22676467287307,"irt_users":3298,"is_experimental":false},"abc203_a":{"slope":-0.000753853470912867,"intercept":5.943435586784458,"variance":0.7848024956307382,"difficulty":-1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-465.432335527799,"irt_users":7498,"is_experimental":false},"abc203_b":{"slope":-0.0007612410471505543,"intercept":5.8964193844984765,"variance":0.32905837533407006,"difficulty":-997,"discrimination":0.004479398673070138,"irt_loglikelihood":-760.5473842382663,"irt_users":7498,"is_experimental":false},"abc203_c":{"slope":-0.0010075953830995322,"intercept":7.642992702736204,"variance":0.42137309506635817,"difficulty":54,"discrimination":0.004479398673070138,"irt_loglikelihood":-2658.334242568766,"irt_users":7708,"is_experimental":false},"abc203_d":{"slope":-0.0008152974727988979,"intercept":8.868951811405127,"variance":0.40232837369843577,"difficulty":1622,"discrimination":0.004479398673070138,"irt_loglikelihood":-1212.4348229732561,"irt_users":7708,"is_experimental":false},"abc203_e":{"slope":-0.0007525049767053964,"intercept":9.04045784046394,"variance":0.3589587669097311,"difficulty":1750,"discrimination":0.004479398673070138,"irt_loglikelihood":-910.0048287819765,"irt_users":7708,"is_experimental":false},"abc203_f":{"slope":-0.0007912750551925476,"intercept":9.156114234495133,"variance":0.32745828193686116,"difficulty":2252,"discrimination":0.004479398673070138,"irt_loglikelihood":-322.2335459333703,"irt_users":7708,"is_experimental":false},"abc204_a":{"slope":-0.0008367365575065188,"intercept":6.09936721853033,"variance":0.629541639504325,"difficulty":-1213,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.231167878974,"irt_users":7833,"is_experimental":false},"abc204_b":{"slope":-0.0007407201637878327,"intercept":5.549953350849567,"variance":0.3201868874059852,"difficulty":-1132,"discrimination":0.004479398673070138,"irt_loglikelihood":-649.0944060902565,"irt_users":7833,"is_experimental":false},"abc204_c":{"slope":-0.0010943497415143585,"intercept":7.820518817063779,"variance":0.5656805845309064,"difficulty":629,"discrimination":0.004479398673070138,"irt_loglikelihood":-3248.7432695207967,"irt_users":8080,"is_experimental":false},"abc204_d":{"slope":-0.0010749506386372326,"intercept":8.291700793168248,"variance":0.5127124073028745,"difficulty":832,"discrimination":0.004479398673070138,"irt_loglikelihood":-2905.8462139249414,"irt_users":8080,"is_experimental":false},"abc204_e":{"slope":-0.0005379457955665581,"intercept":8.726397678891745,"variance":0.30279165697616667,"difficulty":1710,"discrimination":0.004479398673070138,"irt_loglikelihood":-1208.455961464783,"irt_users":8080,"is_experimental":false},"abc204_f":{"slope":-0.0007299423204227351,"intercept":9.038897646401255,"variance":0.2733363896029118,"difficulty":2044,"discrimination":0.004479398673070138,"irt_loglikelihood":-473.91696071761635,"irt_users":8080,"is_experimental":false},"arc122_a":{"slope":-0.0010105429411803987,"intercept":8.884247976551892,"variance":0.35429417712740224,"difficulty":783,"discrimination":0.004479398673070138,"irt_loglikelihood":-739.4167344121413,"irt_users":2172,"is_experimental":false},"arc122_b":{"slope":-0.0008123774601072258,"intercept":8.422740395614564,"variance":0.3998911664302508,"difficulty":729,"discrimination":0.004479398673070138,"irt_loglikelihood":-788.475543307577,"irt_users":2172,"is_experimental":false},"arc122_c":{"slope":-0.0005202761853438664,"intercept":8.859835836032147,"variance":0.2192852711915919,"difficulty":1818,"discrimination":0.004479398673070138,"irt_loglikelihood":-695.1466356392676,"irt_users":2172,"is_experimental":false},"arc122_d":{"slope":-0.0005661546914251745,"intercept":9.113131304585172,"variance":0.2530233828776292,"difficulty":2331,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.1230796525753,"irt_users":2172,"is_experimental":false},"arc122_e":{"slope":-0.00044914744019741335,"intercept":8.468664393052059,"variance":0.3577375661104654,"difficulty":2535,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.25604314749214,"irt_users":2172,"is_experimental":false},"arc122_f":{"is_experimental":false},"abc205_a":{"slope":-0.0008523927954799481,"intercept":5.7506385242304185,"variance":0.7630037617527614,"difficulty":-1295,"discrimination":0.004479398673070138,"irt_loglikelihood":-548.9496175351637,"irt_users":7889,"is_experimental":false},"abc205_b":{"slope":-0.0009411967973679542,"intercept":6.030766128528911,"variance":0.4527454896400579,"difficulty":-889,"discrimination":0.004479398673070138,"irt_loglikelihood":-982.7200018347856,"irt_users":7889,"is_experimental":false},"abc205_c":{"slope":-0.0008464598933367433,"intercept":7.198888946064586,"variance":0.6136395255493573,"difficulty":-340,"discrimination":0.004479398673070138,"irt_loglikelihood":-2337.174174597883,"irt_users":8107,"is_experimental":false},"abc205_d":{"slope":-0.0009554037293115075,"intercept":8.379879494878013,"variance":0.37540688022878904,"difficulty":713,"discrimination":0.004479398673070138,"irt_loglikelihood":-2754.002218669377,"irt_users":8107,"is_experimental":false},"abc205_e":{"slope":-0.0006134297987784453,"intercept":8.796662187794228,"variance":0.3207981853998421,"difficulty":2025,"discrimination":0.004479398673070138,"irt_loglikelihood":-727.5538948079485,"irt_users":8107,"is_experimental":false},"abc205_f":{"slope":-0.0008211387434397507,"intercept":9.136067443928498,"variance":0.44376977996906997,"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-520.8419621055164,"irt_users":8107,"is_experimental":false},"abc206_a":{"slope":-0.0007197609640421091,"intercept":6.137609907600427,"variance":0.5861355597821373,"difficulty":-1335,"discrimination":0.004479398673070138,"irt_loglikelihood":-552.4569162986638,"irt_users":8090,"is_experimental":false},"abc206_b":{"slope":-0.0007259301282677701,"intercept":6.055228485423442,"variance":0.5431976147056935,"difficulty":-946,"discrimination":0.004479398673070138,"irt_loglikelihood":-1141.331086633979,"irt_users":8090,"is_experimental":false},"abc206_c":{"slope":-0.0013896756941850614,"intercept":7.558745847723705,"variance":0.6639629886879693,"difficulty":60,"discrimination":0.004479398673070138,"irt_loglikelihood":-2914.2942115805026,"irt_users":8326,"is_experimental":false},"abc206_d":{"slope":-0.0011750483330352163,"intercept":8.512926702529715,"variance":0.5035943021942136,"difficulty":879,"discrimination":0.004479398673070138,"irt_loglikelihood":-2514.8650569284277,"irt_users":8326,"is_experimental":false},"abc206_e":{"slope":-0.0005672960417836667,"intercept":8.639886554273748,"variance":0.30113028373129463,"difficulty":1745,"discrimination":0.004479398673070138,"irt_loglikelihood":-1095.4341768395966,"irt_users":8326,"is_experimental":false},"abc206_f":{"slope":-0.0007029967666847698,"intercept":8.871923981666503,"variance":0.4118217853443351,"difficulty":2221,"discrimination":0.004479398673070138,"irt_loglikelihood":-339.98152353790795,"irt_users":8326,"is_experimental":false},"abc207_a":{"slope":-0.0009265132092180202,"intercept":5.707470471251915,"variance":0.8504728759536669,"difficulty":-1304,"discrimination":0.004479398673070138,"irt_loglikelihood":-487.08781438492423,"irt_users":7480,"is_experimental":false},"abc207_b":{"slope":-0.0008816568975980156,"intercept":7.422849113235636,"variance":0.5389711648492561,"difficulty":-161,"discrimination":0.004479398673070138,"irt_loglikelihood":-2871.773519197816,"irt_users":7480,"is_experimental":false},"abc207_c":{"slope":-0.0008271807315483575,"intercept":7.99027581643807,"variance":0.31387734816697277,"difficulty":397,"discrimination":0.004479398673070138,"irt_loglikelihood":-3430.316898022617,"irt_users":7706,"is_experimental":false},"abc207_d":{"slope":-0.0005251647621045626,"intercept":8.84062561157873,"variance":0.21982633150390876,"difficulty":2074,"discrimination":0.004479398673070138,"irt_loglikelihood":-786.7774384174235,"irt_users":7706,"is_experimental":false},"abc207_e":{"slope":-0.0005925588820846927,"intercept":8.696836776563893,"variance":0.37582332790712,"difficulty":1820,"discrimination":0.004479398673070138,"irt_loglikelihood":-926.5146638475406,"irt_users":7706,"is_experimental":false},"abc207_f":{"slope":-0.0005176733362136312,"intercept":8.680069107652539,"variance":0.28200312035783565,"difficulty":2398,"discrimination":0.004479398673070138,"irt_loglikelihood":-270.94246133498007,"irt_users":7706,"is_experimental":false},"agc054_a":{"slope":-0.0008154402763491654,"intercept":7.822676850669915,"variance":0.49356548378436593,"difficulty":-62,"discrimination":0.004479398673070138,"irt_loglikelihood":-284.0683067851659,"irt_users":1398,"is_experimental":false},"agc054_b":{"slope":-0.0008724023427537658,"intercept":9.379485465634273,"variance":0.36422514015113017,"difficulty":1710,"discrimination":0.004479398673070138,"irt_loglikelihood":-635.0426500572219,"irt_users":1398,"is_experimental":false},"agc054_c":{"slope":-0.0005857390474246911,"intercept":8.988318147443486,"variance":0.34696392842582724,"difficulty":1863,"discrimination":0.004479398673070138,"irt_loglikelihood":-493.73789172621315,"irt_users":1398,"is_experimental":false},"agc054_d":{"slope":-0.0003879311041058439,"intercept":9.662441046092743,"variance":0.085387314678981,"difficulty":3426,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.2064837444748,"irt_users":1398,"is_experimental":false},"agc054_e":{"slope":-0.00010490047463775132,"intercept":8.817651280779984,"variance":0.11737841959136461,"difficulty":3499,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.62436027917375,"irt_users":1398,"is_experimental":false},"agc054_f":{"difficulty":4300,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.04863126731148,"irt_users":1398,"is_experimental":false},"abc208_a":{"slope":-0.0011095749616441023,"intercept":6.49361311119915,"variance":0.934083118524653,"difficulty":-662,"discrimination":0.004479398673070138,"irt_loglikelihood":-1567.1513169851594,"irt_users":7464,"is_experimental":false},"abc208_b":{"slope":-0.0009431478184794738,"intercept":6.948960589193448,"variance":0.3519583819965298,"difficulty":-421,"discrimination":0.004479398673070138,"irt_loglikelihood":-1962.1224281526938,"irt_users":7464,"is_experimental":false},"abc208_c":{"slope":-0.0010308926262756995,"intercept":7.436197559972019,"variance":0.33259967862399875,"difficulty":-13,"discrimination":0.004479398673070138,"irt_loglikelihood":-2404.0193400048383,"irt_users":7704,"is_experimental":false},"abc208_d":{"slope":-0.0007019710014218809,"intercept":8.12789854246002,"variance":0.5644806305843637,"difficulty":1190,"discrimination":0.004479398673070138,"irt_loglikelihood":-2760.1521206346424,"irt_users":7704,"is_experimental":false},"abc208_e":{"slope":-0.0004002992549152041,"intercept":8.632019202051602,"variance":0.26455628062905984,"difficulty":2024,"discrimination":0.004479398673070138,"irt_loglikelihood":-666.5292250388555,"irt_users":7704,"is_experimental":false},"abc208_f":{"difficulty":2772,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.29883646005376,"irt_users":7704,"is_experimental":false},"abc209_a":{"slope":-0.0008060583424128103,"intercept":5.865788482309369,"variance":0.9736925816150488,"difficulty":-1380,"discrimination":0.004479398673070138,"irt_loglikelihood":-421.615537787544,"irt_users":7797,"is_experimental":false},"abc209_b":{"slope":-0.0007711504828164783,"intercept":6.146244521123885,"variance":0.4486929590074866,"difficulty":-978,"discrimination":0.004479398673070138,"irt_loglikelihood":-944.1945583698044,"irt_users":7797,"is_experimental":false},"abc209_c":{"slope":-0.0010735157706802583,"intercept":7.567295229620285,"variance":0.48993833018966604,"difficulty":264,"discrimination":0.004479398673070138,"irt_loglikelihood":-3628.563602001912,"irt_users":8038,"is_experimental":false},"abc209_d":{"slope":-0.00104820456055646,"intercept":8.109099915849006,"variance":0.47975306148551383,"difficulty":686,"discrimination":0.004479398673070138,"irt_loglikelihood":-2666.5486280825066,"irt_users":8038,"is_experimental":false},"abc209_e":{"slope":-0.0007032070319707729,"intercept":9.285788788665231,"variance":0.292371038762463,"difficulty":2153,"discrimination":0.004479398673070138,"irt_loglikelihood":-549.0304266247576,"irt_users":8038,"is_experimental":false},"abc209_f":{"slope":-0.0008705742135897665,"intercept":9.462247406944996,"variance":0.3692166701462248,"difficulty":2307,"discrimination":0.004479398673070138,"irt_loglikelihood":-328.1802960665442,"irt_users":8038,"is_experimental":false},"abc210_a":{"slope":-0.0009247528771925752,"intercept":6.424480852535424,"variance":0.7878664670975364,"difficulty":-813,"discrimination":0.004479398673070138,"irt_loglikelihood":-1449.8912227070373,"irt_users":7766,"is_experimental":false},"abc210_b":{"slope":-0.000835837403962222,"intercept":6.2319512224310065,"variance":0.4269499590758149,"difficulty":-756,"discrimination":0.004479398673070138,"irt_loglikelihood":-1338.7903127898287,"irt_users":7766,"is_experimental":false},"abc210_c":{"slope":-0.0010542134420588147,"intercept":7.75415630189686,"variance":0.6160285161854065,"difficulty":357,"discrimination":0.004479398673070138,"irt_loglikelihood":-3256.1528300975287,"irt_users":7995,"is_experimental":false},"abc210_d":{"slope":-0.0007289742463974447,"intercept":8.820419381336096,"variance":0.33348933045317497,"difficulty":1507,"discrimination":0.004479398673070138,"irt_loglikelihood":-1603.6612045704444,"irt_users":7995,"is_experimental":false},"abc210_e":{"slope":-0.000902293256573309,"intercept":9.013834388931128,"variance":0.4168437983154979,"difficulty":1618,"discrimination":0.004479398673070138,"irt_loglikelihood":-1119.0846303692626,"irt_users":7995,"is_experimental":false},"abc210_f":{"slope":-0.00015227701823758465,"intercept":8.157197250292183,"variance":0.32485178462757464,"difficulty":2632,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.4393233297072,"irt_users":7995,"is_experimental":false},"arc123_a":{"slope":-0.0006958337264361242,"intercept":7.883521869443386,"variance":0.5063829148387348,"difficulty":73,"discrimination":0.004479398673070138,"irt_loglikelihood":-1406.883110395735,"irt_users":3338,"is_experimental":false},"arc123_b":{"slope":-0.0007038236894893861,"intercept":7.728607332360618,"variance":0.5131879675437407,"difficulty":348,"discrimination":0.004479398673070138,"irt_loglikelihood":-1264.021572258223,"irt_users":3338,"is_experimental":false},"arc123_c":{"slope":-0.0005040372511980332,"intercept":8.891541777573234,"variance":0.3190561301731286,"difficulty":1827,"discrimination":0.004479398673070138,"irt_loglikelihood":-904.2181167730405,"irt_users":3338,"is_experimental":false},"arc123_d":{"slope":-0.0004966770125043371,"intercept":8.815006882579912,"variance":0.3966196879242489,"difficulty":2143,"discrimination":0.004479398673070138,"irt_loglikelihood":-545.071628971668,"irt_users":3338,"is_experimental":false},"arc123_e":{"slope":-0.00047610459551012324,"intercept":9.153446955463219,"variance":0.14701276376663136,"difficulty":2828,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.1692063943303,"irt_users":3338,"is_experimental":false},"arc123_f":{"slope":-0.00019241768055798617,"intercept":8.968909590038205,"variance":0.119668493467044,"difficulty":3424,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.688523083208665,"irt_users":3338,"is_experimental":false},"abc211_a":{"slope":-0.0009033589704095641,"intercept":5.812377286242599,"variance":0.8268705258131166,"difficulty":-1262,"discrimination":0.004479398673070138,"irt_loglikelihood":-527.5795546616114,"irt_users":7561,"is_experimental":false},"abc211_b":{"slope":-0.0008419343195763861,"intercept":6.1786226526299375,"variance":0.4225096753955923,"difficulty":-864,"discrimination":0.004479398673070138,"irt_loglikelihood":-1085.9625840367903,"irt_users":7561,"is_experimental":false},"abc211_c":{"slope":-0.0010518561690424607,"intercept":7.798978143521903,"variance":0.5341798633084099,"difficulty":559,"discrimination":0.004479398673070138,"irt_loglikelihood":-2984.6523447651125,"irt_users":7785,"is_experimental":false},"abc211_d":{"slope":-0.000942104567081367,"intercept":8.196417095435145,"variance":0.4627135430260215,"difficulty":755,"discrimination":0.004479398673070138,"irt_loglikelihood":-2570.606893955978,"irt_users":7785,"is_experimental":false},"abc211_e":{"slope":-0.0005496072750628669,"intercept":8.726396839434747,"variance":0.23288976393625713,"difficulty":1823,"discrimination":0.004479398673070138,"irt_loglikelihood":-928.1821834332391,"irt_users":7785,"is_experimental":false},"abc211_f":{"slope":-0.0007799903620189187,"intercept":9.478024841561687,"variance":0.18433001809033764,"difficulty":2350,"discrimination":0.004479398673070138,"irt_loglikelihood":-254.43565560375512,"irt_users":7785,"is_experimental":false},"arc124_a":{"slope":-0.0008374551359675985,"intercept":8.107169896621409,"variance":0.3251521876040383,"difficulty":149,"discrimination":0.004479398673070138,"irt_loglikelihood":-602.7995840269479,"irt_users":2182,"is_experimental":false},"arc124_b":{"slope":-0.0008441088767031719,"intercept":8.504066632756064,"variance":0.4808602169318313,"difficulty":788,"discrimination":0.004479398673070138,"irt_loglikelihood":-1009.9116574885176,"irt_users":2182,"is_experimental":false},"arc124_c":{"slope":-0.0007712706568577351,"intercept":8.863136890222139,"variance":0.43840933672736737,"difficulty":1495,"discrimination":0.004479398673070138,"irt_loglikelihood":-863.845225656185,"irt_users":2182,"is_experimental":false},"arc124_d":{"slope":-0.0003213584488957549,"intercept":8.558629714688324,"variance":0.25005477412330235,"difficulty":2008,"discrimination":0.004479398673070138,"irt_loglikelihood":-522.7194003391866,"irt_users":2182,"is_experimental":false},"arc124_e":{"slope":-0.00011325216913210125,"intercept":8.411895974291713,"variance":0.16989862906430267,"difficulty":3031,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.2818759705479,"irt_users":2182,"is_experimental":false},"arc124_f":{"slope":-0.00009788260638891923,"intercept":8.189318975727197,"variance":0.2179202831184166,"difficulty":3246,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.830707527758136,"irt_users":2182,"is_experimental":false},"abc212_a":{"slope":-0.0007279915534951091,"intercept":5.882134263202227,"variance":0.6655863492802899,"difficulty":-1351,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.61711393258,"irt_users":7009,"is_experimental":false},"abc212_b":{"slope":-0.0009403916887938396,"intercept":7.079989813013268,"variance":0.3801699125613177,"difficulty":-330,"discrimination":0.004479398673070138,"irt_loglikelihood":-2118.5863804036053,"irt_users":7009,"is_experimental":false},"abc212_c":{"slope":-0.001056546906081693,"intercept":7.559929422026278,"variance":0.5124530093679266,"difficulty":205,"discrimination":0.004479398673070138,"irt_loglikelihood":-2784.30405626062,"irt_users":7241,"is_experimental":false},"abc212_d":{"slope":-0.0009818450071341692,"intercept":8.043024572309317,"variance":0.558888386295464,"difficulty":775,"discrimination":0.004479398673070138,"irt_loglikelihood":-2496.836155364356,"irt_users":7241,"is_experimental":false},"abc212_e":{"slope":-0.0010240929503499742,"intercept":8.794277495687618,"variance":0.35332506810950376,"difficulty":1410,"discrimination":0.004479398673070138,"irt_loglikelihood":-1320.969859008814,"irt_users":7241,"is_experimental":false},"abc212_f":{"slope":-0.0005066939591025326,"intercept":8.928007102900416,"variance":0.16298534208631235,"difficulty":2332,"discrimination":0.004479398673070138,"irt_loglikelihood":-348.77558754949735,"irt_users":7241,"is_experimental":false},"abc212_g":{"slope":-0.0006842128080095606,"intercept":9.025897031002646,"variance":0.30827047538547275,"difficulty":2150,"discrimination":0.004479398673070138,"irt_loglikelihood":-451.9524117045577,"irt_users":7241,"is_experimental":false},"abc212_h":{"slope":-0.00041178990922428844,"intercept":8.353876510946273,"variance":0.3250324588549087,"difficulty":2741,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.33528555325698,"irt_users":7241,"is_experimental":false},"abc213_a":{"slope":-0.0012899969929153483,"intercept":6.314848220302917,"variance":1.015138234876099,"difficulty":-600,"discrimination":0.004479398673070138,"irt_loglikelihood":-1304.2376139896664,"irt_users":7085,"is_experimental":false},"abc213_b":{"slope":-0.0010685666626050819,"intercept":6.471306764004024,"variance":0.48518966128546714,"difficulty":-692,"discrimination":0.004479398673070138,"irt_loglikelihood":-917.9435552352397,"irt_users":7085,"is_experimental":false},"abc213_c":{"slope":-0.0012707378752985295,"intercept":8.30467539621517,"variance":0.38337145141461526,"difficulty":481,"discrimination":0.004479398673070138,"irt_loglikelihood":-2665.653052577357,"irt_users":7085,"is_experimental":false},"abc213_d":{"slope":-0.0009610747874184304,"intercept":7.9893910581454985,"variance":0.5324422346992392,"difficulty":710,"discrimination":0.004479398673070138,"irt_loglikelihood":-2667.3159799963605,"irt_users":7085,"is_experimental":false},"abc213_e":{"slope":-0.00042067161631213486,"intercept":8.209840701889181,"variance":0.28950061707275887,"difficulty":1423,"discrimination":0.004479398673070138,"irt_loglikelihood":-1330.6166188341888,"irt_users":7085,"is_experimental":false},"abc213_f":{"slope":-0.000202687295435017,"intercept":8.093059093615704,"variance":0.24401941878827524,"difficulty":2215,"discrimination":0.004479398673070138,"irt_loglikelihood":-297.1270887402192,"irt_users":7085,"is_experimental":false},"abc213_g":{"difficulty":2663,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.30489050969923,"irt_users":7085,"is_experimental":false},"abc213_h":{"slope":-0.000054030034767188554,"intercept":8.37372683066358,"variance":0.1751581096656835,"difficulty":2806,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.78585122706038,"irt_users":7085,"is_experimental":false},"abc214_a":{"slope":-0.0007478590384320727,"intercept":5.741046674368759,"variance":0.8211042166978682,"difficulty":-1424,"discrimination":0.004479398673070138,"irt_loglikelihood":-432.5833849734544,"irt_users":7369,"is_experimental":false},"abc214_b":{"slope":-0.0009082301941127749,"intercept":6.3926102002898375,"variance":0.5262652990688989,"difficulty":-405,"discrimination":0.004479398673070138,"irt_loglikelihood":-2215.437096474504,"irt_users":7369,"is_experimental":false},"abc214_c":{"slope":-0.0009608969265113858,"intercept":8.053399405555515,"variance":0.37010218764686925,"difficulty":309,"discrimination":0.004479398673070138,"irt_loglikelihood":-3385.4826536165274,"irt_users":7627,"is_experimental":false},"abc214_d":{"slope":-0.0011143499446396653,"intercept":8.721418739191316,"variance":0.5205973906279544,"difficulty":1341,"discrimination":0.004479398673070138,"irt_loglikelihood":-1662.1230468122458,"irt_users":7627,"is_experimental":false},"abc214_e":{"slope":-0.0006902386595205093,"intercept":8.840911358429876,"variance":0.3548077901240887,"difficulty":1835,"discrimination":0.004479398673070138,"irt_loglikelihood":-869.9971527260068,"irt_users":7627,"is_experimental":false},"abc214_f":{"slope":-0.0008330373548755712,"intercept":9.006880682085129,"variance":0.40130196108130556,"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-625.8915325254552,"irt_users":7627,"is_experimental":false},"abc214_g":{"slope":-0.00039042643225861516,"intercept":8.56184161982125,"variance":0.24814099757923816,"difficulty":2893,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.0704313755693,"irt_users":7627,"is_experimental":false},"abc214_h":{"slope":-0.0005001364359036857,"intercept":9.090406294225138,"variance":0.25999779202166595,"difficulty":3138,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.531282275684504,"irt_users":7627,"is_experimental":false},"abc215_a":{"slope":-0.000807965129956038,"intercept":5.616879915817072,"variance":0.9487800819647909,"difficulty":-1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.8758504426834,"irt_users":7483,"is_experimental":false},"abc215_b":{"slope":-0.0010637797896968454,"intercept":6.62560980886011,"variance":0.9134885501409413,"difficulty":-307,"discrimination":0.004479398673070138,"irt_loglikelihood":-2702.8482510581744,"irt_users":7483,"is_experimental":false},"abc215_c":{"slope":-0.0009720660748246148,"intercept":7.12265293561469,"variance":0.720955214228795,"difficulty":76,"discrimination":0.004479398673070138,"irt_loglikelihood":-3325.700844210651,"irt_users":7731,"is_experimental":false},"abc215_d":{"slope":-0.0009000379276026267,"intercept":8.16644817310977,"variance":0.4913943007420334,"difficulty":736,"discrimination":0.004479398673070138,"irt_loglikelihood":-2698.590838865286,"irt_users":7731,"is_experimental":false},"abc215_e":{"slope":-0.0009636526033415985,"intercept":8.921119477592566,"variance":0.2766677174313329,"difficulty":1413,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.5857771525925,"irt_users":7731,"is_experimental":false},"abc215_f":{"slope":-0.0005395485772049178,"intercept":8.309187988463153,"variance":0.38209656824807015,"difficulty":1853,"discrimination":0.004479398673070138,"irt_loglikelihood":-860.8743230013503,"irt_users":7731,"is_experimental":false},"abc215_g":{"slope":-0.0003777674713972893,"intercept":8.26365257178704,"variance":0.29589673359817453,"difficulty":2276,"discrimination":0.004479398673070138,"irt_loglikelihood":-332.56344710091065,"irt_users":7731,"is_experimental":false},"abc215_h":{"difficulty":3101,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.98303430584523,"irt_users":7731,"is_experimental":false},"arc125_a":{"slope":-0.0007906217215398226,"intercept":8.491002088548877,"variance":0.3590924342454443,"difficulty":442,"discrimination":0.004479398673070138,"irt_loglikelihood":-772.7389711336064,"irt_users":2081,"is_experimental":false},"arc125_b":{"slope":-0.000594574808591481,"intercept":8.508065853660986,"variance":0.4014797538927367,"difficulty":1273,"discrimination":0.004479398673070138,"irt_loglikelihood":-1084.4646205253764,"irt_users":2081,"is_experimental":false},"arc125_c":{"slope":-0.0005262271046815419,"intercept":8.878288560752107,"variance":0.27826620678394,"difficulty":1896,"discrimination":0.004479398673070138,"irt_loglikelihood":-601.4243855315035,"irt_users":2081,"is_experimental":false},"arc125_d":{"slope":-0.0005578689765225428,"intercept":8.772312085037585,"variance":0.3077931508196307,"difficulty":2187,"discrimination":0.004479398673070138,"irt_loglikelihood":-388.91194515909,"irt_users":2081,"is_experimental":false},"arc125_e":{"slope":-0.00010899945805762088,"intercept":7.880707405420476,"variance":0.2899066794088723,"difficulty":2874,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.2581975136321,"irt_users":2081,"is_experimental":false},"arc125_f":{"slope":-0.0003023432637675601,"intercept":8.83637739206577,"variance":0.08281147991030353,"difficulty":3541,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.309771038380104,"irt_users":2081,"is_experimental":false},"abc216_a":{"slope":-0.000783981022520565,"intercept":6.53926228857126,"variance":0.6412464735228941,"difficulty":-860,"discrimination":0.004479398673070138,"irt_loglikelihood":-1144.646322126742,"irt_users":6538,"is_experimental":false},"abc216_b":{"slope":-0.0009175357796984035,"intercept":6.480804534154979,"variance":0.5008553493188452,"difficulty":-537,"discrimination":0.004479398673070138,"irt_loglikelihood":-1440.7774822410395,"irt_users":6538,"is_experimental":false},"abc216_c":{"slope":-0.0009114570118156873,"intercept":7.240434899569533,"variance":0.5512267866519932,"difficulty":-6,"discrimination":0.004479398673070138,"irt_loglikelihood":-2501.338104701363,"irt_users":6784,"is_experimental":false},"abc216_d":{"slope":-0.0008866685778264262,"intercept":8.513660459516919,"variance":0.28710380177260847,"difficulty":1039,"discrimination":0.004479398673070138,"irt_loglikelihood":-1928.8255647104802,"irt_users":6784,"is_experimental":false},"abc216_e":{"slope":-0.0008167466182869579,"intercept":8.53909177671653,"variance":0.265756916641692,"difficulty":1084,"discrimination":0.004479398673070138,"irt_loglikelihood":-1798.6812019202857,"irt_users":6784,"is_experimental":false},"abc216_f":{"slope":-0.0008633370915745205,"intercept":8.506825330184817,"variance":0.3169595422381566,"difficulty":1541,"discrimination":0.004479398673070138,"irt_loglikelihood":-914.2610609178327,"irt_users":6784,"is_experimental":false},"abc216_g":{"slope":-0.0004309905495601835,"intercept":8.07374502335775,"variance":0.3367736183612807,"difficulty":1963,"discrimination":0.004479398673070138,"irt_loglikelihood":-590.0811126783426,"irt_users":6784,"is_experimental":false},"abc216_h":{"slope":-0.00037173789151688204,"intercept":8.926986375430587,"variance":0.12715523596897632,"difficulty":3295,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.995796543318846,"irt_users":6784,"is_experimental":false},"abc217_a":{"slope":-0.0010366764149828994,"intercept":5.989932243908952,"variance":1.039671180100706,"difficulty":-772,"discrimination":0.004479398673070138,"irt_loglikelihood":-1095.5014298168403,"irt_users":7490,"is_experimental":false},"abc217_b":{"slope":-0.0009135977754507043,"intercept":6.18321370441171,"variance":0.40224718002319504,"difficulty":-763,"discrimination":0.004479398673070138,"irt_loglikelihood":-1024.8031509274679,"irt_users":7490,"is_experimental":false},"abc217_c":{"slope":-0.0010778968957276664,"intercept":6.533571149730053,"variance":0.4003969725127612,"difficulty":-439,"discrimination":0.004479398673070138,"irt_loglikelihood":-1632.2085857825125,"irt_users":7490,"is_experimental":false},"abc217_d":{"slope":-0.00093638066061287,"intercept":7.993576989180885,"variance":0.5380778560800508,"difficulty":802,"discrimination":0.004479398673070138,"irt_loglikelihood":-3318.7240682150095,"irt_users":7490,"is_experimental":false},"abc217_e":{"slope":-0.0009812339202286422,"intercept":8.320137361250154,"variance":0.5466183627756223,"difficulty":986,"discrimination":0.004479398673070138,"irt_loglikelihood":-2250.005773821881,"irt_users":7490,"is_experimental":false},"abc217_f":{"slope":-0.0005630811431345986,"intercept":8.841673532396243,"variance":0.2731822797460108,"difficulty":1954,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.341236258298,"irt_users":7490,"is_experimental":false},"abc217_g":{"slope":-0.0003838387617788211,"intercept":8.267062610739853,"variance":0.36092068044629905,"difficulty":2047,"discrimination":0.004479398673070138,"irt_loglikelihood":-467.18933026759373,"irt_users":7490,"is_experimental":false},"abc217_h":{"difficulty":3112,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.463578711009019,"irt_users":7490,"is_experimental":false},"abc218_a":{"slope":-0.0008362895186539033,"intercept":5.814521440444318,"variance":0.8223494177732438,"difficulty":-1219,"discrimination":0.004479398673070138,"irt_loglikelihood":-540.7757090644554,"irt_users":7723,"is_experimental":false},"abc218_b":{"slope":-0.0008291337313114397,"intercept":5.943920906401448,"variance":0.4522192220770561,"difficulty":-929,"discrimination":0.004479398673070138,"irt_loglikelihood":-937.1210578010167,"irt_users":7723,"is_experimental":false},"abc218_c":{"slope":-0.0007596641789327696,"intercept":8.46053582252929,"variance":0.26308254633058953,"difficulty":1012,"discrimination":0.004479398673070138,"irt_loglikelihood":-3656.4511807425547,"irt_users":7981,"is_experimental":false},"abc218_d":{"slope":-0.0008953317959280887,"intercept":8.16148384762289,"variance":0.43324176496630895,"difficulty":715,"discrimination":0.004479398673070138,"irt_loglikelihood":-3169.0862142323176,"irt_users":7981,"is_experimental":false},"abc218_e":{"slope":-0.0008879473699378595,"intercept":8.187085009864948,"variance":0.4214365197496313,"difficulty":1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-2407.9054174519597,"irt_users":7981,"is_experimental":false},"abc218_f":{"slope":-0.0005109385596065765,"intercept":8.316672135608624,"variance":0.2350602200271925,"difficulty":1753,"discrimination":0.004479398673070138,"irt_loglikelihood":-1158.9832584022706,"irt_users":7981,"is_experimental":false},"abc218_g":{"slope":-0.00020105209295186112,"intercept":7.910692290065166,"variance":0.25100654037652864,"difficulty":2217,"discrimination":0.004479398673070138,"irt_loglikelihood":-485.9002089128445,"irt_users":7981,"is_experimental":false},"abc218_h":{"slope":-0.00033012286612672467,"intercept":8.392954101033746,"variance":0.21209954965027356,"difficulty":2805,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.16580215832064,"irt_users":7981,"is_experimental":false},"abc219_a":{"slope":-0.0006704250326350802,"intercept":6.017962836083679,"variance":0.6610225593019196,"difficulty":-1257,"discrimination":0.004479398673070138,"irt_loglikelihood":-571.7607008490942,"irt_users":6507,"is_experimental":false},"abc219_b":{"slope":-0.0007375253616295213,"intercept":6.0261313014284354,"variance":0.36329777627175536,"difficulty":-842,"discrimination":0.004479398673070138,"irt_loglikelihood":-974.0206814419971,"irt_users":6507,"is_experimental":false},"abc219_c":{"slope":-0.0009360540083016046,"intercept":7.716474664806071,"variance":0.478934334585566,"difficulty":227,"discrimination":0.004479398673070138,"irt_loglikelihood":-2979.3927230706518,"irt_users":6763,"is_experimental":false},"abc219_d":{"slope":-0.0010869487839279038,"intercept":8.684647801342043,"variance":0.586992055809598,"difficulty":1085,"discrimination":0.004479398673070138,"irt_loglikelihood":-1878.2622133301213,"irt_users":6763,"is_experimental":false},"abc219_e":{"slope":-0.0007153424356048836,"intercept":8.93188555872401,"variance":0.18821158726633136,"difficulty":1690,"discrimination":0.004479398673070138,"irt_loglikelihood":-1063.874722229515,"irt_users":6763,"is_experimental":false},"abc219_f":{"slope":-0.0005359334987830083,"intercept":8.96189613234729,"variance":0.24983854315955406,"difficulty":2542,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.22190330954436,"irt_users":6763,"is_experimental":false},"abc219_g":{"slope":-0.00034848281677697787,"intercept":8.337847698506957,"variance":0.29951409065977014,"difficulty":2287,"discrimination":0.004479398673070138,"irt_loglikelihood":-400.08507698884677,"irt_users":6763,"is_experimental":false},"abc219_h":{"slope":-0.00012360977237452098,"intercept":7.991478316785603,"variance":0.02274873506093009,"difficulty":3297,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.24848923992216,"irt_users":6763,"is_experimental":false},"arc126_a":{"slope":-0.0007883625783676252,"intercept":8.314416393046917,"variance":0.424248079026364,"difficulty":465,"discrimination":0.004479398673070138,"irt_loglikelihood":-1051.8321007032048,"irt_users":2158,"is_experimental":false},"arc126_b":{"slope":-0.0010902617081285178,"intercept":9.195982775774356,"variance":0.44524786590580995,"difficulty":1370,"discrimination":0.004479398673070138,"irt_loglikelihood":-666.9580859425027,"irt_users":2158,"is_experimental":false},"arc126_c":{"slope":-0.0007237463810856934,"intercept":9.04252432938449,"variance":0.3870171194744891,"difficulty":1824,"discrimination":0.004479398673070138,"irt_loglikelihood":-634.0495213802329,"irt_users":2158,"is_experimental":false},"arc126_d":{"slope":-0.00027000033763538553,"intercept":8.224666968801186,"variance":0.4081637159094807,"difficulty":2332,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.1795977569294,"irt_users":2158,"is_experimental":false},"arc126_e":{"difficulty":2766,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.19246315338738,"irt_users":2158,"is_experimental":false},"arc126_f":{"difficulty":3488,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.428283491534069,"irt_users":2158,"is_experimental":false},"arc127_a":{"slope":-0.0009438216124261847,"intercept":9.042211628481232,"variance":0.45808365549652674,"difficulty":808,"discrimination":0.004479398673070138,"irt_loglikelihood":-606.3366975802442,"irt_users":1275,"is_experimental":false},"arc127_b":{"slope":-0.0005626545451405531,"intercept":8.557808596031544,"variance":0.41497095949859075,"difficulty":1594,"discrimination":0.004479398673070138,"irt_loglikelihood":-602.833247687831,"irt_users":1275,"is_experimental":false},"arc127_c":{"slope":-0.0007208164801960173,"intercept":9.3122249319857,"variance":0.1774501741008825,"difficulty":2092,"discrimination":0.004479398673070138,"irt_loglikelihood":-334.0895317053968,"irt_users":1275,"is_experimental":false},"arc127_d":{"slope":-0.0006755903421826227,"intercept":9.515959571146457,"variance":0.21385663392079204,"difficulty":2593,"discrimination":0.004479398673070138,"irt_loglikelihood":-159.392074442181,"irt_users":1275,"is_experimental":false},"arc127_e":{"slope":-0.00029247369828595414,"intercept":8.529253151656361,"variance":0.3108946777750841,"difficulty":2678,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.22399490346557,"irt_users":1275,"is_experimental":false},"arc127_f":{"difficulty":3723,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.5782412190837185,"irt_users":1275,"is_experimental":false},"abc220_a":{"slope":-0.0010049493303966868,"intercept":6.235137624979785,"variance":0.9108684839536167,"difficulty":-933,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.0693560206206,"irt_users":6555,"is_experimental":false},"abc220_b":{"slope":-0.0008628648170083981,"intercept":6.6832773133087535,"variance":0.6613848571103236,"difficulty":-370,"discrimination":0.004479398673070138,"irt_loglikelihood":-1842.4548495756883,"irt_users":6555,"is_experimental":false},"abc220_c":{"slope":-0.0008255911463360201,"intercept":7.2905132191575825,"variance":0.5286303280018583,"difficulty":-86,"discrimination":0.004479398673070138,"irt_loglikelihood":-2310.8370626623223,"irt_users":6777,"is_experimental":false},"abc220_d":{"slope":-0.001140978732386055,"intercept":8.209230768434287,"variance":0.3559693867339885,"difficulty":664,"discrimination":0.004479398673070138,"irt_loglikelihood":-2329.8968864841922,"irt_users":6777,"is_experimental":false},"abc220_e":{"slope":-0.0005298667717768402,"intercept":8.496537245983141,"variance":0.25790390467544677,"difficulty":1593,"discrimination":0.004479398673070138,"irt_loglikelihood":-1262.4566489878707,"irt_users":6777,"is_experimental":false},"abc220_f":{"slope":-0.0005340608588716571,"intercept":7.939954220334568,"variance":0.5356117919939245,"difficulty":1304,"discrimination":0.004479398673070138,"irt_loglikelihood":-1916.9787055954946,"irt_users":6777,"is_experimental":false},"abc220_g":{"slope":-0.00043422929123480375,"intercept":8.687221312437407,"variance":0.21981976148449542,"difficulty":2439,"discrimination":0.004479398673070138,"irt_loglikelihood":-277.2780051879636,"irt_users":6777,"is_experimental":false},"abc220_h":{"slope":-0.00036128327385397856,"intercept":8.948432637727189,"variance":0.22561524449912174,"difficulty":3047,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.21604632420761,"irt_users":6777,"is_experimental":false},"abc221_a":{"slope":-0.0008394587973313584,"intercept":6.069883426441476,"variance":0.8840173091795341,"difficulty":-1081,"discrimination":0.004479398673070138,"irt_loglikelihood":-962.1077172188105,"irt_users":7261,"is_experimental":false},"abc221_b":{"slope":-0.0009127045672163259,"intercept":7.051548993778936,"variance":0.6562609239873708,"difficulty":-371,"discrimination":0.004479398673070138,"irt_loglikelihood":-2344.5528647791057,"irt_users":7261,"is_experimental":false},"abc221_c":{"slope":-0.0009922536230946067,"intercept":7.895733518490673,"variance":0.3541146515160723,"difficulty":378,"discrimination":0.004479398673070138,"irt_loglikelihood":-3033.3267848473515,"irt_users":7491,"is_experimental":false},"abc221_d":{"slope":-0.0009832707578510099,"intercept":8.25880894186329,"variance":0.3378253066916342,"difficulty":832,"discrimination":0.004479398673070138,"irt_loglikelihood":-2263.941741044994,"irt_users":7491,"is_experimental":false},"abc221_e":{"slope":-0.000773177849927774,"intercept":8.609604379975668,"variance":0.38886666302912964,"difficulty":1515,"discrimination":0.004479398673070138,"irt_loglikelihood":-1117.7297544957976,"irt_users":7491,"is_experimental":false},"abc221_f":{"slope":-0.0005397438214021998,"intercept":8.871687853279354,"variance":0.24282058922540445,"difficulty":2093,"discrimination":0.004479398673070138,"irt_loglikelihood":-510.44932716197803,"irt_users":7491,"is_experimental":false},"abc221_g":{"slope":-0.0001752219084689143,"intercept":8.015897818783092,"variance":0.10761832630166868,"difficulty":2914,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.45599219404204,"irt_users":7491,"is_experimental":false},"abc221_h":{"slope":-0.00022112112581795072,"intercept":7.9559041979564915,"variance":0.2622878682950371,"difficulty":2793,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.33369207059309,"irt_users":7491,"is_experimental":false},"abc222_a":{"slope":-0.000951579645597129,"intercept":5.862171630940794,"variance":0.8169790243199017,"difficulty":-1316,"discrimination":0.004479398673070138,"irt_loglikelihood":-424.6510590894972,"irt_users":6415,"is_experimental":false},"abc222_b":{"slope":-0.000718234492651449,"intercept":5.435443416954492,"variance":0.36147582184999105,"difficulty":-1117,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.3146198434721,"irt_users":6415,"is_experimental":false},"abc222_c":{"slope":-0.0008624254245349247,"intercept":8.239105195781365,"variance":0.18386192638386928,"difficulty":366,"discrimination":0.004479398673070138,"irt_loglikelihood":-2700.2361718111833,"irt_users":6638,"is_experimental":false},"abc222_d":{"slope":-0.0011568687780044256,"intercept":8.490706781685535,"variance":0.37830400205155174,"difficulty":865,"discrimination":0.004479398673070138,"irt_loglikelihood":-1930.4346512842774,"irt_users":6638,"is_experimental":false},"abc222_e":{"slope":-0.000713393337433786,"intercept":8.799016792945212,"variance":0.21635253694035458,"difficulty":1491,"discrimination":0.004479398673070138,"irt_loglikelihood":-1144.0550688543512,"irt_users":6638,"is_experimental":false},"abc222_f":{"slope":-0.000494850587134189,"intercept":8.369786175509923,"variance":0.23679876168242145,"difficulty":1934,"discrimination":0.004479398673070138,"irt_loglikelihood":-740.1833514883099,"irt_users":6638,"is_experimental":false},"abc222_g":{"slope":-0.000060386570120236076,"intercept":7.421262374642661,"variance":0.4178678038098717,"difficulty":2242,"discrimination":0.004479398673070138,"irt_loglikelihood":-540.6696721680373,"irt_users":6638,"is_experimental":false},"abc222_h":{"difficulty":3477,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.969751313295205,"irt_users":6638,"is_experimental":false},"arc128_a":{"slope":-0.0005816536974489772,"intercept":8.200099439540713,"variance":0.4845521358602349,"difficulty":650,"discrimination":0.004479398673070138,"irt_loglikelihood":-1580.1892353882859,"irt_users":2334,"is_experimental":false},"arc128_b":{"slope":-0.0005142918622105702,"intercept":8.353351978141424,"variance":0.4120465781181596,"difficulty":941,"discrimination":0.004479398673070138,"irt_loglikelihood":-1362.9544257759749,"irt_users":2334,"is_experimental":false},"arc128_c":{"slope":-0.00040666406004860535,"intercept":8.507415746330675,"variance":0.29542765695610995,"difficulty":1810,"discrimination":0.004479398673070138,"irt_loglikelihood":-789.0423342190855,"irt_users":2334,"is_experimental":false},"arc128_d":{"slope":-0.00034238301818533207,"intercept":8.727968061631923,"variance":0.1767078008876437,"difficulty":2554,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.03909863433967,"irt_users":2334,"is_experimental":false},"arc128_e":{"slope":-0.000186160305166585,"intercept":8.343441077541824,"variance":0.10082442696103787,"difficulty":3049,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.71810071908245,"irt_users":2334,"is_experimental":false},"arc128_f":{"difficulty":3671,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.800508082449339,"irt_users":2334,"is_experimental":false},"abc223_a":{"slope":-0.0008942415225661356,"intercept":6.019891680415101,"variance":0.9792594918063049,"difficulty":-1257,"discrimination":0.004479398673070138,"irt_loglikelihood":-428.5181106460214,"irt_users":6009,"is_experimental":false},"abc223_b":{"slope":-0.001048807618475182,"intercept":7.020321819159174,"variance":0.4325674373735778,"difficulty":-213,"discrimination":0.004479398673070138,"irt_loglikelihood":-1885.9266214066342,"irt_users":6009,"is_experimental":false},"abc223_c":{"slope":-0.0006868922779840885,"intercept":7.728801276286072,"variance":0.36183986799321183,"difficulty":351,"discrimination":0.004479398673070138,"irt_loglikelihood":-3236.424011661713,"irt_users":6135,"is_experimental":false},"abc223_d":{"slope":-0.0008805316626610828,"intercept":8.188273964939317,"variance":0.5457902989104307,"difficulty":1069,"discrimination":0.004479398673070138,"irt_loglikelihood":-1829.8816180075619,"irt_users":6135,"is_experimental":false},"abc223_e":{"slope":-0.0007820063978248967,"intercept":8.551189656851522,"variance":0.33798598632693344,"difficulty":1510,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.1471512156772,"irt_users":6135,"is_experimental":false},"abc223_f":{"slope":-0.0006139441491286212,"intercept":8.537108204570954,"variance":0.28789335993062926,"difficulty":1641,"discrimination":0.004479398673070138,"irt_loglikelihood":-745.4760951651481,"irt_users":6135,"is_experimental":false},"abc223_g":{"slope":-0.00017286539253616996,"intercept":7.724342364770831,"variance":0.2397625841807933,"difficulty":2351,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.57147681630073,"irt_users":6135,"is_experimental":false},"abc223_h":{"slope":-0.00040296273505899006,"intercept":8.446269073001389,"variance":0.25929292201153753,"difficulty":2771,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.15307656718096,"irt_users":6135,"is_experimental":false},"abc224_a":{"slope":-0.0009285556378010459,"intercept":5.92087816201928,"variance":0.8353226068804059,"difficulty":-1263,"discrimination":0.004479398673070138,"irt_loglikelihood":-394.51802397306426,"irt_users":5875,"is_experimental":false},"abc224_b":{"slope":-0.0009745870978293621,"intercept":7.0100546768838825,"variance":0.37719923334956507,"difficulty":-237,"discrimination":0.004479398673070138,"irt_loglikelihood":-1730.4429525888925,"irt_users":5875,"is_experimental":false},"abc224_c":{"slope":-0.0009217414834794136,"intercept":7.653879093395036,"variance":0.5130736047462168,"difficulty":286,"discrimination":0.004479398673070138,"irt_loglikelihood":-2542.309424311076,"irt_users":6082,"is_experimental":false},"abc224_d":{"slope":-0.0007363616085306018,"intercept":8.591630067417363,"variance":0.24757136487256268,"difficulty":1376,"discrimination":0.004479398673070138,"irt_loglikelihood":-1504.5437716220486,"irt_users":6082,"is_experimental":false},"abc224_e":{"slope":-0.0008367132519131074,"intercept":8.814386791582928,"variance":0.3068531955539186,"difficulty":1657,"discrimination":0.004479398673070138,"irt_loglikelihood":-950.9231403666133,"irt_users":6082,"is_experimental":false},"abc224_f":{"slope":-0.0006395571819228368,"intercept":8.481195378527891,"variance":0.3515258953623175,"difficulty":1733,"discrimination":0.004479398673070138,"irt_loglikelihood":-889.1234747976977,"irt_users":6082,"is_experimental":false},"abc224_g":{"slope":-0.0005189093512381977,"intercept":8.64826870319708,"variance":0.16440870387884407,"difficulty":2374,"discrimination":0.004479398673070138,"irt_loglikelihood":-231.9574739510993,"irt_users":6082,"is_experimental":false},"abc224_h":{"slope":-0.00020687154530787323,"intercept":8.164469258842256,"variance":0.15173672801927277,"difficulty":2887,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.869625948260506,"irt_users":6082,"is_experimental":false},"abc225_a":{"slope":-0.0009095321821947184,"intercept":6.34195513845463,"variance":0.7090318727985454,"difficulty":-994,"discrimination":0.004479398673070138,"irt_loglikelihood":-693.0049184176168,"irt_users":5864,"is_experimental":false},"abc225_b":{"slope":-0.0011310127863807082,"intercept":6.865673488144261,"variance":0.49488212282167415,"difficulty":-345,"discrimination":0.004479398673070138,"irt_loglikelihood":-1436.753041550279,"irt_users":5864,"is_experimental":false},"abc225_c":{"slope":-0.0009516245056910038,"intercept":8.181831716910084,"variance":0.33614250306714516,"difficulty":318,"discrimination":0.004479398673070138,"irt_loglikelihood":-2566.6323464407164,"irt_users":6116,"is_experimental":false},"abc225_d":{"slope":-0.0008930107454953853,"intercept":8.168545017006558,"variance":0.2994360146718714,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-2146.1479470449235,"irt_users":6116,"is_experimental":false},"abc225_e":{"slope":-0.0006133940685086995,"intercept":8.693717988870096,"variance":0.34156619997011495,"difficulty":1678,"discrimination":0.004479398673070138,"irt_loglikelihood":-1047.5060201771614,"irt_users":6116,"is_experimental":false},"abc225_f":{"slope":-0.0005168748433897587,"intercept":8.890486141980324,"variance":0.3270113699172474,"difficulty":2612,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.76483514163596,"irt_users":6116,"is_experimental":false},"abc225_g":{"slope":-0.0006106720306277161,"intercept":8.946289779852698,"variance":0.2877388095282281,"difficulty":2566,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.51265111391223,"irt_users":6116,"is_experimental":false},"abc225_h":{"slope":-0.0008798513723490413,"intercept":10.267597171283144,"variance":0.088768670580344,"difficulty":3061,"discrimination":0.004479398673070138,"irt_loglikelihood":-52.707973319279205,"irt_users":6116,"is_experimental":false},"agc055_a":{"slope":-0.0006593170139479269,"intercept":9.34277716687906,"variance":0.38494324834991056,"difficulty":1348,"discrimination":0.004479398673070138,"irt_loglikelihood":-413.3046544915483,"irt_users":798,"is_experimental":false},"agc055_b":{"slope":-0.0005206002576759676,"intercept":9.315600378721733,"variance":0.3952619962181577,"difficulty":2059,"discrimination":0.004479398673070138,"irt_loglikelihood":-410.9789161212231,"irt_users":798,"is_experimental":false},"agc055_c":{"slope":-0.0005373875738618028,"intercept":9.887549026333687,"variance":0.18104986502701687,"difficulty":2803,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.89034406955457,"irt_users":798,"is_experimental":false},"agc055_d":{"slope":-0.00030155485969785955,"intercept":9.332903695078745,"variance":0.30832539248376994,"difficulty":3506,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.034375386299,"irt_users":798,"is_experimental":false},"agc055_e":{"is_experimental":false},"agc055_f":{"difficulty":4288,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.133567675115436,"irt_users":798,"is_experimental":false},"abc226_a":{"slope":-0.0007062215581313836,"intercept":6.252166490988687,"variance":1.0011099596527795,"difficulty":-930,"discrimination":0.004479398673070138,"irt_loglikelihood":-902.5000326765206,"irt_users":5730,"is_experimental":false},"abc226_b":{"slope":-0.0008714368266950494,"intercept":6.959514517902178,"variance":0.9158930070497341,"difficulty":107,"discrimination":0.004479398673070138,"irt_loglikelihood":-2832.8028685995982,"irt_users":5730,"is_experimental":false},"abc226_c":{"slope":-0.0009262666210562697,"intercept":8.01777943869779,"variance":0.42456502158233306,"difficulty":539,"discrimination":0.004479398673070138,"irt_loglikelihood":-2320.9038545385456,"irt_users":5955,"is_experimental":false},"abc226_d":{"slope":-0.0008097618562984459,"intercept":7.770347124772742,"variance":0.373310603945415,"difficulty":706,"discrimination":0.004479398673070138,"irt_loglikelihood":-2205.397761499476,"irt_users":5955,"is_experimental":false},"abc226_e":{"slope":-0.0007425359852744819,"intercept":8.525802667476878,"variance":0.3506425828547451,"difficulty":1327,"discrimination":0.004479398673070138,"irt_loglikelihood":-1310.5511797029712,"irt_users":5955,"is_experimental":false},"abc226_f":{"slope":-0.00045664380696122214,"intercept":8.482557560831768,"variance":0.2301760599282141,"difficulty":2086,"discrimination":0.004479398673070138,"irt_loglikelihood":-517.5100880667187,"irt_users":5955,"is_experimental":false},"abc226_g":{"slope":-0.0002716162856430815,"intercept":8.06582787630243,"variance":0.295868840698575,"difficulty":2373,"discrimination":0.004479398673070138,"irt_loglikelihood":-414.3406965909645,"irt_users":5955,"is_experimental":false},"abc226_h":{"slope":-0.0004618580640363171,"intercept":8.687652371606935,"variance":0.2553944311932775,"difficulty":2813,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.75727481580252,"irt_users":5955,"is_experimental":false},"abc227_a":{"slope":-0.0008572621736012809,"intercept":6.812831928388418,"variance":0.4598829166244012,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.73741629647276,"irt_users":3521,"is_experimental":false},"abc227_b":{"slope":-0.0009160359246210288,"intercept":7.038496310623839,"variance":0.2767670422972101,"difficulty":-634,"discrimination":0.004479398673070138,"irt_loglikelihood":-197.244307745733,"irt_users":3521,"is_experimental":false},"abc227_c":{"slope":-0.0009498272839613451,"intercept":8.140002883510315,"variance":0.5026428994920553,"difficulty":692,"discrimination":0.004479398673070138,"irt_loglikelihood":-2080.806520538934,"irt_users":3521,"is_experimental":false},"abc227_d":{"slope":-0.0006516746309937569,"intercept":8.622038420933837,"variance":0.40469682715696487,"difficulty":1643,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.0851332360348,"irt_users":3521,"is_experimental":false},"abc227_e":{"slope":-0.0004645432159430492,"intercept":8.700365163227875,"variance":0.20068507438675515,"difficulty":2377,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.37061694605953,"irt_users":3521,"is_experimental":false},"abc227_f":{"slope":-0.0006961205528244629,"intercept":9.06070870615541,"variance":0.3713898964055432,"difficulty":2323,"discrimination":0.004479398673070138,"irt_loglikelihood":-171.8828129671881,"irt_users":3521,"is_experimental":false},"abc227_g":{"difficulty":2207,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.1503037134221,"irt_users":3521,"is_experimental":false},"abc227_h":{"difficulty":3229,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.067533655849183,"irt_users":3521,"is_experimental":false},"abc228_a":{"slope":-0.0007940027692513928,"intercept":7.187673413444362,"variance":0.5752304042622619,"difficulty":-395,"discrimination":0.004479398673070138,"irt_loglikelihood":-1901.4964102907948,"irt_users":5537,"is_experimental":false},"abc228_b":{"slope":-0.0009567902935304959,"intercept":6.99044672872313,"variance":0.4328668947099757,"difficulty":-229,"discrimination":0.004479398673070138,"irt_loglikelihood":-1562.1807452962007,"irt_users":5537,"is_experimental":false},"abc228_c":{"slope":-0.0007636955321152945,"intercept":7.53514411572231,"variance":0.38368652809312487,"difficulty":149,"discrimination":0.004479398673070138,"irt_loglikelihood":-2404.103245510791,"irt_users":5834,"is_experimental":false},"abc228_d":{"slope":-0.0007433284070627389,"intercept":8.357634139190207,"variance":0.40130661394473827,"difficulty":1035,"discrimination":0.004479398673070138,"irt_loglikelihood":-1996.4068576121863,"irt_users":5834,"is_experimental":false},"abc228_e":{"slope":-0.000630454941597951,"intercept":8.644013442999613,"variance":0.39220763653041973,"difficulty":1579,"discrimination":0.004479398673070138,"irt_loglikelihood":-1230.9268738252338,"irt_users":5834,"is_experimental":false},"abc228_f":{"slope":-0.0006693792764962312,"intercept":9.0400027901057,"variance":0.16214405623794007,"difficulty":2179,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.1354566244827,"irt_users":5834,"is_experimental":false},"abc228_g":{"slope":-0.0006238758717568032,"intercept":8.77058685093487,"variance":0.1566293813615797,"difficulty":2711,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.75967934512704,"irt_users":5834,"is_experimental":false},"abc228_h":{"slope":-0.0006236295549433199,"intercept":8.873141309714816,"variance":0.24481763417988758,"difficulty":2729,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.81872398850024,"irt_users":5834,"is_experimental":false},"arc129_a":{"slope":-0.000952475555947349,"intercept":8.623330188642651,"variance":0.48636307315642313,"difficulty":727,"discrimination":0.004479398673070138,"irt_loglikelihood":-689.6862575385555,"irt_users":1664,"is_experimental":false},"arc129_b":{"slope":-0.0007146833595610927,"intercept":8.080254479706662,"variance":0.5619324312382148,"difficulty":735,"discrimination":0.004479398673070138,"irt_loglikelihood":-663.3452964121401,"irt_users":1664,"is_experimental":false},"arc129_c":{"slope":-0.0007600698937410595,"intercept":9.289873139477747,"variance":0.29516070244922765,"difficulty":1687,"discrimination":0.004479398673070138,"irt_loglikelihood":-508.1780789477544,"irt_users":1664,"is_experimental":false},"arc129_d":{"slope":-0.0005340303106707402,"intercept":8.980847657399874,"variance":0.3029340204399097,"difficulty":2300,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.65831018629245,"irt_users":1664,"is_experimental":false},"arc129_e":{"slope":-0.0010360780638881972,"intercept":10.609212026682066,"variance":0.12617978147028475,"difficulty":3337,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.347520740932723,"irt_users":1664,"is_experimental":false},"arc129_f":{"difficulty":3596,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.137010556148642,"irt_users":1664,"is_experimental":false},"abc229_a":{"slope":-0.0008045225961597122,"intercept":6.687325013891717,"variance":0.5573963371298991,"difficulty":-721,"discrimination":0.004479398673070138,"irt_loglikelihood":-972.107569863786,"irt_users":5370,"is_experimental":false},"abc229_b":{"slope":-0.0009344323114437889,"intercept":6.721802852172823,"variance":0.4264333583458291,"difficulty":-501,"discrimination":0.004479398673070138,"irt_loglikelihood":-1049.9333115870186,"irt_users":5370,"is_experimental":false},"abc229_c":{"slope":-0.0010064663129690492,"intercept":7.352963990717752,"variance":0.3907882976746661,"difficulty":45,"discrimination":0.004479398673070138,"irt_loglikelihood":-1940.402347068713,"irt_users":5632,"is_experimental":false},"abc229_d":{"slope":-0.0008655555775843711,"intercept":7.9164383133204845,"variance":0.6241299298992934,"difficulty":745,"discrimination":0.004479398673070138,"irt_loglikelihood":-2176.455925914091,"irt_users":5632,"is_experimental":false},"abc229_e":{"slope":-0.0010521501696966746,"intercept":8.353566875861178,"variance":0.35407505372855647,"difficulty":1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-1468.0764858533503,"irt_users":5632,"is_experimental":false},"abc229_f":{"slope":-0.00064577886771776,"intercept":8.671005558050453,"variance":0.31520312416941043,"difficulty":1917,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.9697530059375,"irt_users":5632,"is_experimental":false},"abc229_g":{"slope":-0.00044534162323778086,"intercept":8.567499042509311,"variance":0.31686890458596356,"difficulty":2121,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.8977738819839,"irt_users":5632,"is_experimental":false},"abc229_h":{"slope":-0.00006774834359582063,"intercept":8.072599998915758,"variance":0.17373404671589798,"difficulty":3308,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.308621194132506,"irt_users":5632,"is_experimental":false},"arc130_a":{"slope":-0.0009848183230660946,"intercept":7.564793788146773,"variance":0.689590024163123,"difficulty":-68,"discrimination":0.004479398673070138,"irt_loglikelihood":-476.4206333662501,"irt_users":1994,"is_experimental":false},"arc130_b":{"slope":-0.0008758900397320484,"intercept":8.123685538364878,"variance":0.35153434445747506,"difficulty":576,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.6865018815766,"irt_users":1994,"is_experimental":false},"arc130_c":{"slope":-0.0006348776583286023,"intercept":9.372324695801886,"variance":0.2037653324757168,"difficulty":1814,"discrimination":0.004479398673070138,"irt_loglikelihood":-565.3931292240549,"irt_users":1994,"is_experimental":false},"arc130_d":{"slope":-0.0005531455788455799,"intercept":9.174448719073037,"variance":0.25969793547086434,"difficulty":2437,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.61116444707696,"irt_users":1994,"is_experimental":false},"arc130_e":{"slope":-0.0003390620030738589,"intercept":8.994342874868877,"variance":0.07678553593586264,"difficulty":3188,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.36837768321475,"irt_users":1994,"is_experimental":false},"arc130_f":{"slope":-0.00011969494944677094,"intercept":8.494437993526201,"variance":0.22798650806401313,"difficulty":3211,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.76902754030692,"irt_users":1994,"is_experimental":false},"abc230_a":{"slope":-0.0006987643715854465,"intercept":6.32216556726991,"variance":0.6302844054381241,"difficulty":-1358,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.91153633207642,"irt_users":4266,"is_experimental":false},"abc230_b":{"slope":-0.0008487755110750003,"intercept":6.880668808150653,"variance":0.6240631313258626,"difficulty":-550,"discrimination":0.004479398673070138,"irt_loglikelihood":-823.1451064560963,"irt_users":4266,"is_experimental":false},"abc230_c":{"slope":-0.0008984479784998968,"intercept":8.028826233939403,"variance":0.37611738582169074,"difficulty":566,"discrimination":0.004479398673070138,"irt_loglikelihood":-2487.8819093687134,"irt_users":5113,"is_experimental":false},"abc230_d":{"slope":-0.000816683787969316,"intercept":7.980540783224473,"variance":0.37959518099689354,"difficulty":963,"discrimination":0.004479398673070138,"irt_loglikelihood":-1832.8233442178678,"irt_users":5113,"is_experimental":false},"abc230_e":{"slope":-0.0007173516906038725,"intercept":7.816578548311331,"variance":0.7688440876720777,"difficulty":969,"discrimination":0.004479398673070138,"irt_loglikelihood":-1967.289882536751,"irt_users":5113,"is_experimental":false},"abc230_f":{"slope":-0.0007728103376971395,"intercept":9.013172584261367,"variance":0.34839127124541885,"difficulty":2113,"discrimination":0.004479398673070138,"irt_loglikelihood":-457.5780485420657,"irt_users":5113,"is_experimental":false},"abc230_g":{"slope":-0.00022558935415901266,"intercept":8.165419124491994,"variance":0.2543651697725029,"difficulty":2516,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.491280153236,"irt_users":5113,"is_experimental":false},"abc230_h":{"difficulty":3528,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.141999728250774,"irt_users":5113,"is_experimental":false},"agc056_a":{"slope":-0.0006578639623862338,"intercept":9.205037170054071,"variance":0.2955414885921203,"difficulty":1290,"discrimination":0.004479398673070138,"irt_loglikelihood":-381.7388992047533,"irt_users":900,"is_experimental":false},"agc056_b":{"slope":-0.00020272384113849095,"intercept":8.749975576878171,"variance":0.2049780429444606,"difficulty":3339,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.28868442254127,"irt_users":900,"is_experimental":false},"agc056_c":{"slope":-0.0006284828777544081,"intercept":9.835514002201535,"variance":0.371583991541607,"difficulty":2481,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.5934204629644,"irt_users":900,"is_experimental":false},"agc056_d":{"slope":-0.0004999752645522639,"intercept":9.685171401511138,"variance":0.28795913071046864,"difficulty":3339,"discrimination":0.004479398673070138,"irt_loglikelihood":-75.26203765308733,"irt_users":900,"is_experimental":false},"agc056_e":{"difficulty":3877,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.211366840548514,"irt_users":900,"is_experimental":false},"agc056_f":{"difficulty":4310,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.2863117296004543,"irt_users":900,"is_experimental":false},"arc131_a":{"slope":-0.0006356862034911423,"intercept":7.067580795236897,"variance":0.4853951170375573,"difficulty":-529,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.144869545792293,"irt_users":1062,"is_experimental":false},"arc131_b":{"slope":-0.0006731166353376084,"intercept":7.425861013796178,"variance":0.2524501965265388,"difficulty":-158,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.95477269624939,"irt_users":1062,"is_experimental":false},"arc131_c":{"slope":-0.0003657201727368038,"intercept":8.213889716358246,"variance":0.3918196540522737,"difficulty":1162,"discrimination":0.004479398673070138,"irt_loglikelihood":-881.5147580654813,"irt_users":1062,"is_experimental":false},"arc131_d":{"slope":-0.0004150503967741201,"intercept":8.953525743234534,"variance":0.22342590243018282,"difficulty":2271,"discrimination":0.004479398673070138,"irt_loglikelihood":-303.8061194876736,"irt_users":1062,"is_experimental":false},"arc131_e":{"slope":-0.00036598293877883613,"intercept":8.776750395005173,"variance":0.1813093823728139,"difficulty":2314,"discrimination":0.004479398673070138,"irt_loglikelihood":-406.68781541386994,"irt_users":1062,"is_experimental":false},"arc131_f":{"difficulty":3501,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.497517224154006,"irt_users":1062,"is_experimental":false},"abc231_a":{"slope":-0.0006930563568310857,"intercept":5.5539767256532,"variance":1.0325300661103542,"difficulty":-1422,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.78259667784687,"irt_users":4728,"is_experimental":false},"abc231_b":{"slope":-0.0009262334924218626,"intercept":6.530696623196483,"variance":0.5567125705194742,"difficulty":-535,"discrimination":0.004479398673070138,"irt_loglikelihood":-810.5725578705726,"irt_users":4728,"is_experimental":false},"abc231_c":{"slope":-0.0010854686968098,"intercept":7.092355584930962,"variance":0.6691014672228068,"difficulty":111,"discrimination":0.004479398673070138,"irt_loglikelihood":-2095.904956286195,"irt_users":5688,"is_experimental":false},"abc231_d":{"slope":-0.0009576711092833596,"intercept":8.341526470578478,"variance":0.44704901787862206,"difficulty":726,"discrimination":0.004479398673070138,"irt_loglikelihood":-2106.795772814384,"irt_users":5688,"is_experimental":false},"abc231_e":{"slope":-0.000676862959276207,"intercept":8.64195450891015,"variance":0.32478834642376647,"difficulty":1740,"discrimination":0.004479398673070138,"irt_loglikelihood":-917.6907709072373,"irt_users":5688,"is_experimental":false},"abc231_f":{"slope":-0.0008727366796460944,"intercept":9.103616221832217,"variance":0.24279426670129176,"difficulty":1580,"discrimination":0.004479398673070138,"irt_loglikelihood":-948.6872895602191,"irt_users":5688,"is_experimental":false},"abc231_g":{"slope":-0.0005542288174434242,"intercept":8.703968859613182,"variance":0.2556145798771203,"difficulty":2606,"discrimination":0.004479398673070138,"irt_loglikelihood":-147.80650733818266,"irt_users":5688,"is_experimental":false},"abc231_h":{"slope":-0.00047238752978214887,"intercept":8.547200016025458,"variance":0.2865576879396198,"difficulty":2681,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.68101254975748,"irt_users":5688,"is_experimental":false},"abc232_a":{"slope":-0.0007794750253905554,"intercept":5.630945185748059,"variance":0.9095615550236122,"difficulty":-1137,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.66252846535335,"irt_users":4471,"is_experimental":false},"abc232_b":{"slope":-0.0010979271651673323,"intercept":7.484530828518539,"variance":0.5137363020407206,"difficulty":-234,"discrimination":0.004479398673070138,"irt_loglikelihood":-1217.3515035186508,"irt_users":4471,"is_experimental":false},"abc232_c":{"slope":-0.0010413347528496896,"intercept":8.113847431758245,"variance":0.3196887752260026,"difficulty":685,"discrimination":0.004479398673070138,"irt_loglikelihood":-2154.953975256374,"irt_users":5231,"is_experimental":false},"abc232_d":{"slope":-0.0010033480808457431,"intercept":8.06336974553562,"variance":0.4545178205368592,"difficulty":539,"discrimination":0.004479398673070138,"irt_loglikelihood":-2234.5814664906084,"irt_users":5231,"is_experimental":false},"abc232_e":{"slope":-0.0006585498053205033,"intercept":8.555304256328522,"variance":0.2753709111803619,"difficulty":1380,"discrimination":0.004479398673070138,"irt_loglikelihood":-1288.0427567180093,"irt_users":5231,"is_experimental":false},"abc232_f":{"slope":-0.0008280653169145795,"intercept":8.699879733340813,"variance":0.3260303184969722,"difficulty":1857,"discrimination":0.004479398673070138,"irt_loglikelihood":-675.8417710415303,"irt_users":5231,"is_experimental":false},"abc232_g":{"slope":-0.000156891355911665,"intercept":8.022379288151926,"variance":0.28965773569802505,"difficulty":2550,"discrimination":0.004479398673070138,"irt_loglikelihood":-192.10112549726512,"irt_users":5231,"is_experimental":false},"abc232_h":{"slope":-0.00023146543812416844,"intercept":8.410492844669347,"variance":0.19881662204953407,"difficulty":2780,"discrimination":0.004479398673070138,"irt_loglikelihood":-126.14263568962652,"irt_users":5231,"is_experimental":false},"abc233_a":{"slope":-0.0008386384841443214,"intercept":6.18960508733869,"variance":0.761373295041791,"difficulty":-1110,"discrimination":0.004479398673070138,"irt_loglikelihood":-302.4116085266673,"irt_users":4867,"is_experimental":false},"abc233_b":{"slope":-0.0008954703136833039,"intercept":6.387497638622245,"variance":0.5499714343099007,"difficulty":-748,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.1543885814611,"irt_users":4867,"is_experimental":false},"abc233_c":{"slope":-0.0009889126425197147,"intercept":8.068706566562764,"variance":0.36009720583088556,"difficulty":604,"discrimination":0.004479398673070138,"irt_loglikelihood":-2604.5525494290578,"irt_users":5819,"is_experimental":false},"abc233_d":{"slope":-0.0009203684439796838,"intercept":7.738299269998281,"variance":0.7325823330227421,"difficulty":726,"discrimination":0.004479398673070138,"irt_loglikelihood":-2795.0952100641834,"irt_users":5819,"is_experimental":false},"abc233_e":{"slope":-0.000878921095014265,"intercept":8.198500204157288,"variance":0.4291801598198092,"difficulty":969,"discrimination":0.004479398673070138,"irt_loglikelihood":-2016.4303923167074,"irt_users":5819,"is_experimental":false},"abc233_f":{"slope":-0.0006987482926266547,"intercept":9.222369413755946,"variance":0.20799558545134342,"difficulty":2038,"discrimination":0.004479398673070138,"irt_loglikelihood":-601.5255460301486,"irt_users":5819,"is_experimental":false},"abc233_g":{"slope":-0.00034385585526714455,"intercept":8.071334876748391,"variance":0.3551907597777479,"difficulty":2438,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.06230089413333,"irt_users":5819,"is_experimental":false},"abc233_h":{"slope":-0.0008430365854587333,"intercept":9.33392585378375,"variance":0.38622570847854165,"difficulty":2530,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.69105519000053,"irt_users":5819,"is_experimental":false},"arc132_a":{"slope":-0.0008301329749193145,"intercept":8.015248996752806,"variance":0.49891103989703767,"difficulty":347,"discrimination":0.004479398673070138,"irt_loglikelihood":-670.748324020079,"irt_users":2031,"is_experimental":false},"arc132_b":{"slope":-0.0007112626657246082,"intercept":8.322266533592455,"variance":0.30395856075387223,"difficulty":753,"discrimination":0.004479398673070138,"irt_loglikelihood":-1119.5623932090734,"irt_users":2031,"is_experimental":false},"arc132_c":{"slope":-0.000806179569324537,"intercept":9.081358343015427,"variance":0.29134435064568553,"difficulty":1616,"discrimination":0.004479398673070138,"irt_loglikelihood":-676.4567696204106,"irt_users":2031,"is_experimental":false},"arc132_d":{"slope":-0.00044550699559327663,"intercept":8.797570589075956,"variance":0.22970424285263344,"difficulty":2221,"discrimination":0.004479398673070138,"irt_loglikelihood":-437.5860319761024,"irt_users":2031,"is_experimental":false},"arc132_e":{"slope":-0.0002256366792552905,"intercept":8.504434693108863,"variance":0.3052129311563867,"difficulty":3144,"discrimination":0.004479398673070138,"irt_loglikelihood":-75.99132851134402,"irt_users":2031,"is_experimental":false},"arc132_f":{"slope":-0.00027929724880437594,"intercept":8.667702526308144,"variance":0.16249215999319372,"difficulty":3076,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.16602769197407,"irt_users":2031,"is_experimental":false},"abc234_a":{"slope":-0.0008402356008935057,"intercept":6.193010235826233,"variance":0.6211290608232898,"difficulty":-1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.3380783212593,"irt_users":5158,"is_experimental":false},"abc234_b":{"slope":-0.000977667251216007,"intercept":6.728124492443892,"variance":0.3357138885157552,"difficulty":-464,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.1071132517237,"irt_users":5158,"is_experimental":false},"abc234_c":{"slope":-0.0009243719816985632,"intercept":6.968008138575823,"variance":0.5742594964091835,"difficulty":22,"discrimination":0.004479398673070138,"irt_loglikelihood":-2576.297574460398,"irt_users":6006,"is_experimental":false},"abc234_d":{"slope":-0.0009861719930823656,"intercept":7.844974970872495,"variance":0.4527232856725059,"difficulty":503,"discrimination":0.004479398673070138,"irt_loglikelihood":-2452.6937278994783,"irt_users":6006,"is_experimental":false},"abc234_e":{"slope":-0.0008828820030046774,"intercept":8.336536075204405,"variance":0.32984629329528176,"difficulty":899,"discrimination":0.004479398673070138,"irt_loglikelihood":-1972.935567702139,"irt_users":6006,"is_experimental":false},"abc234_f":{"slope":-0.0010901125631939174,"intercept":9.105561161624543,"variance":0.3685609740080081,"difficulty":1596,"discrimination":0.004479398673070138,"irt_loglikelihood":-924.8892618780454,"irt_users":6006,"is_experimental":false},"abc234_g":{"slope":-0.00020686144256245058,"intercept":8.05025164990155,"variance":0.2429466362943022,"difficulty":2306,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.20329795385936,"irt_users":6006,"is_experimental":false},"abc234_h":{"slope":-0.0004056393335019426,"intercept":8.481027911822634,"variance":0.2561978787246048,"difficulty":2505,"discrimination":0.004479398673070138,"irt_loglikelihood":-236.16070134177778,"irt_users":6006,"is_experimental":false},"abc235_a":{"slope":-0.0008100498976015122,"intercept":6.192353741870375,"variance":0.6129802034070946,"difficulty":-1104,"discrimination":0.004479398673070138,"irt_loglikelihood":-322.8187567022285,"irt_users":5701,"is_experimental":false},"abc235_b":{"slope":-0.0007986814956793264,"intercept":6.153807402495697,"variance":0.40864040441802496,"difficulty":-806,"discrimination":0.004479398673070138,"irt_loglikelihood":-592.212468047261,"irt_users":5701,"is_experimental":false},"abc235_c":{"slope":-0.000980092465835414,"intercept":7.272996438291515,"variance":0.5499303847547848,"difficulty":210,"discrimination":0.004479398673070138,"irt_loglikelihood":-2886.572518831655,"irt_users":6705,"is_experimental":false},"abc235_d":{"slope":-0.0008952878812100713,"intercept":8.518153898115763,"variance":0.3187904094422154,"difficulty":862,"discrimination":0.004479398673070138,"irt_loglikelihood":-2609.676083447311,"irt_users":6705,"is_experimental":false},"abc235_e":{"slope":-0.0007716510892123983,"intercept":8.349378190989658,"variance":0.3988346268287827,"difficulty":1304,"discrimination":0.004479398673070138,"irt_loglikelihood":-1685.2771833457275,"irt_users":6705,"is_experimental":false},"abc235_f":{"slope":-0.00043012239503424345,"intercept":8.498392335586866,"variance":0.23270190309233596,"difficulty":2129,"discrimination":0.004479398673070138,"irt_loglikelihood":-589.4122900993523,"irt_users":6705,"is_experimental":false},"abc235_g":{"slope":-0.0006279739365423377,"intercept":8.81381549034097,"variance":0.24176467209773142,"difficulty":2462,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.2070344159604,"irt_users":6705,"is_experimental":false},"abc235_h":{"slope":-0.0005147770215914631,"intercept":9.358571351877787,"variance":0.1517196756747558,"difficulty":2967,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.99460940254441,"irt_users":6705,"is_experimental":false},"arc133_a":{"slope":-0.0009358800918132261,"intercept":7.798054331911234,"variance":0.6015254013801535,"difficulty":235,"discrimination":0.004479398673070138,"irt_loglikelihood":-1165.850530340868,"irt_users":2915,"is_experimental":false},"arc133_b":{"slope":-0.0009131913336171446,"intercept":8.903184622930572,"variance":0.35174432239952147,"difficulty":1317,"discrimination":0.004479398673070138,"irt_loglikelihood":-770.3713756108388,"irt_users":2915,"is_experimental":false},"arc133_c":{"slope":-0.00042992488878907547,"intercept":8.386054463013009,"variance":0.4101110555711428,"difficulty":1583,"discrimination":0.004479398673070138,"irt_loglikelihood":-1013.1383126820449,"irt_users":2915,"is_experimental":false},"arc133_d":{"slope":-0.00042765925416274325,"intercept":9.179014033618412,"variance":0.1759424643653161,"difficulty":2658,"discrimination":0.004479398673070138,"irt_loglikelihood":-158.53420644955997,"irt_users":2915,"is_experimental":false},"arc133_e":{"difficulty":3238,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.646930604051285,"irt_users":2915,"is_experimental":false},"arc133_f":{"is_experimental":false},"abc236_a":{"slope":-0.0009231881270480338,"intercept":5.935153335407409,"variance":0.8955007785396534,"difficulty":-1207,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.87585623440947,"irt_users":6362,"is_experimental":false},"abc236_b":{"slope":-0.0009202332918796747,"intercept":6.25928573505962,"variance":0.4625084093970111,"difficulty":-655,"discrimination":0.004479398673070138,"irt_loglikelihood":-819.9983383186326,"irt_users":6362,"is_experimental":false},"abc236_c":{"slope":-0.0008973992921260067,"intercept":6.654317261657519,"variance":0.4065935169478686,"difficulty":-245,"discrimination":0.004479398673070138,"irt_loglikelihood":-2433.1361107989337,"irt_users":7381,"is_experimental":false},"abc236_d":{"slope":-0.0007678261285684338,"intercept":8.469119833844037,"variance":0.451949241987446,"difficulty":1190,"discrimination":0.004479398673070138,"irt_loglikelihood":-3025.8826228857747,"irt_users":7381,"is_experimental":false},"abc236_e":{"slope":-0.0008690478605469745,"intercept":9.179428165157226,"variance":0.31733090685256765,"difficulty":1893,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.1700420840201,"irt_users":7381,"is_experimental":false},"abc236_f":{"slope":-0.0007588053712686651,"intercept":8.494798708874676,"variance":0.5834240772835959,"difficulty":1943,"discrimination":0.004479398673070138,"irt_loglikelihood":-869.3283997266035,"irt_users":7381,"is_experimental":false},"abc236_g":{"slope":-0.00029965932973944834,"intercept":8.045840157507016,"variance":0.43751580622773983,"difficulty":2438,"discrimination":0.004479398673070138,"irt_loglikelihood":-321.10654289139757,"irt_users":7381,"is_experimental":false},"abc236_h":{"slope":-0.0005545230341713819,"intercept":9.22484895736376,"variance":0.22795187678643422,"difficulty":2898,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.56741697056434,"irt_users":7381,"is_experimental":false},"arc134_a":{"slope":-0.000933325411584044,"intercept":8.006663070565951,"variance":0.4837359882516313,"difficulty":207,"discrimination":0.004479398673070138,"irt_loglikelihood":-1436.4056503853976,"irt_users":3484,"is_experimental":false},"arc134_b":{"slope":-0.0008505964384872088,"intercept":8.659985190126442,"variance":0.36310537813498095,"difficulty":934,"discrimination":0.004479398673070138,"irt_loglikelihood":-1490.6512872573917,"irt_users":3484,"is_experimental":false},"arc134_c":{"slope":-0.0008038921339978837,"intercept":8.891163522402765,"variance":0.28674201439380437,"difficulty":1560,"discrimination":0.004479398673070138,"irt_loglikelihood":-962.3025092229071,"irt_users":3484,"is_experimental":false},"arc134_d":{"slope":-0.0004988898252407227,"intercept":9.013441005805829,"variance":0.18269709060305048,"difficulty":1998,"discrimination":0.004479398673070138,"irt_loglikelihood":-709.0228745771747,"irt_users":3484,"is_experimental":false},"arc134_e":{"slope":-0.0003003461577211186,"intercept":9.022414138758108,"variance":0.046027539982722465,"difficulty":3026,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.07669803766304,"irt_users":3484,"is_experimental":false},"arc134_f":{"difficulty":3530,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.411977250200756,"irt_users":3484,"is_experimental":false},"abc237_a":{"slope":-0.0008651301881366678,"intercept":6.417607924367475,"variance":0.9325279281504427,"difficulty":-702,"discrimination":0.004479398673070138,"irt_loglikelihood":-791.3417003115783,"irt_users":6034,"is_experimental":false},"abc237_b":{"slope":-0.0007352904153987126,"intercept":6.860487516466161,"variance":0.53836825609649,"difficulty":-449,"discrimination":0.004479398673070138,"irt_loglikelihood":-1298.5979255160305,"irt_users":6034,"is_experimental":false},"abc237_c":{"slope":-0.0007700452725592347,"intercept":7.790178932887462,"variance":0.45360844291075253,"difficulty":239,"discrimination":0.004479398673070138,"irt_loglikelihood":-3149.0816810304254,"irt_users":6968,"is_experimental":false},"abc237_d":{"slope":-0.0008630181252814148,"intercept":7.666784998326998,"variance":0.5137811087157221,"difficulty":544,"discrimination":0.004479398673070138,"irt_loglikelihood":-2822.7366040661072,"irt_users":6968,"is_experimental":false},"abc237_e":{"slope":-0.0006002088798033302,"intercept":8.113671007706087,"variance":0.3837280646905984,"difficulty":1208,"discrimination":0.004479398673070138,"irt_loglikelihood":-2047.8444457526932,"irt_users":6968,"is_experimental":false},"abc237_f":{"slope":-0.0006882361408556687,"intercept":8.456090092002338,"variance":0.3037956508263455,"difficulty":1857,"discrimination":0.004479398673070138,"irt_loglikelihood":-779.1143167353076,"irt_users":6968,"is_experimental":false},"abc237_g":{"slope":-0.0005252122182043387,"intercept":8.415308678346982,"variance":0.33683033648160865,"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-547.0543989707396,"irt_users":6968,"is_experimental":false},"abc237_h":{"difficulty":2807,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.66915501548579,"irt_users":6968,"is_experimental":false},"abc238_a":{"slope":-0.0006318442857013254,"intercept":6.530447658872681,"variance":1.0054960655751448,"difficulty":-689,"discrimination":0.004479398673070138,"irt_loglikelihood":-795.1917455503658,"irt_users":6085,"is_experimental":false},"abc238_b":{"slope":-0.0009972403597099824,"intercept":7.466774756262057,"variance":0.36076923142689604,"difficulty":88,"discrimination":0.004479398673070138,"irt_loglikelihood":-2682.207241307234,"irt_users":6085,"is_experimental":false},"abc238_c":{"slope":-0.0008836941450177453,"intercept":8.134282422341235,"variance":0.3182772939100332,"difficulty":637,"discrimination":0.004479398673070138,"irt_loglikelihood":-3308.4714078516236,"irt_users":7150,"is_experimental":false},"abc238_d":{"slope":-0.0010127799121398967,"intercept":8.252582863912306,"variance":0.5222224149706927,"difficulty":921,"discrimination":0.004479398673070138,"irt_loglikelihood":-2531.381205947239,"irt_users":7150,"is_experimental":false},"abc238_e":{"slope":-0.0010539315924705224,"intercept":8.630136202779614,"variance":0.6709807204300745,"difficulty":1577,"discrimination":0.004479398673070138,"irt_loglikelihood":-1288.6069343127347,"irt_users":7150,"is_experimental":false},"abc238_f":{"slope":-0.0006889913794479878,"intercept":8.62377557830322,"variance":0.2933458852508477,"difficulty":2058,"discrimination":0.004479398673070138,"irt_loglikelihood":-631.0894501134374,"irt_users":7150,"is_experimental":false},"abc238_g":{"slope":-0.0004941832728601481,"intercept":8.49351501602725,"variance":0.45084674521627777,"difficulty":2254,"discrimination":0.004479398673070138,"irt_loglikelihood":-460.99129913706605,"irt_users":7150,"is_experimental":false},"abc238_h":{"slope":-0.00012963451521704587,"intercept":8.204759727925445,"variance":0.25823365216271366,"difficulty":3247,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.81171729394681,"irt_users":7150,"is_experimental":false},"arc135_a":{"slope":-0.0010593871879666604,"intercept":8.596326273627303,"variance":0.5300785964104004,"difficulty":634,"discrimination":0.004479398673070138,"irt_loglikelihood":-1217.1645449437806,"irt_users":2809,"is_experimental":false},"arc135_b":{"slope":-0.000853793267443141,"intercept":8.771204598233147,"variance":0.34143934046462787,"difficulty":1239,"discrimination":0.004479398673070138,"irt_loglikelihood":-1263.229669547939,"irt_users":2809,"is_experimental":false},"arc135_c":{"slope":-0.0007709316860944896,"intercept":8.512268294950369,"variance":0.5162728227415302,"difficulty":1512,"discrimination":0.004479398673070138,"irt_loglikelihood":-920.1616719644668,"irt_users":2809,"is_experimental":false},"arc135_d":{"slope":-0.0006605863953699395,"intercept":9.84396451464127,"variance":0.1680812840644127,"difficulty":2750,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.90175061093535,"irt_users":2809,"is_experimental":false},"arc135_e":{"slope":-0.0004909562887778855,"intercept":9.67970856618029,"variance":0.11646749039880773,"difficulty":3157,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.0850975164328,"irt_users":2809,"is_experimental":false},"arc135_f":{"difficulty":3821,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.176039000767793,"irt_users":2809,"is_experimental":false},"abc239_a":{"slope":-0.0007843522058798857,"intercept":6.058956886742467,"variance":0.7508033440038477,"difficulty":-788,"discrimination":0.004479398673070138,"irt_loglikelihood":-540.146943581547,"irt_users":5854,"is_experimental":false},"abc239_b":{"slope":-0.0010013127587138544,"intercept":6.635215934657269,"variance":0.8790918866199916,"difficulty":-378,"discrimination":0.004479398673070138,"irt_loglikelihood":-1245.4914942041382,"irt_users":5854,"is_experimental":false},"abc239_c":{"slope":-0.0009125690003734282,"intercept":7.437143852503649,"variance":0.3885347358096989,"difficulty":119,"discrimination":0.004479398673070138,"irt_loglikelihood":-3285.3796913272586,"irt_users":6806,"is_experimental":false},"abc239_d":{"slope":-0.0009661199417322989,"intercept":7.461112389740911,"variance":0.3782174069436529,"difficulty":215,"discrimination":0.004479398673070138,"irt_loglikelihood":-2902.910528275045,"irt_users":6806,"is_experimental":false},"abc239_e":{"slope":-0.0008206632025071526,"intercept":8.355315258693798,"variance":0.3647833031147811,"difficulty":1084,"discrimination":0.004479398673070138,"irt_loglikelihood":-2030.680207947542,"irt_users":6806,"is_experimental":false},"abc239_f":{"slope":-0.0005440313530355622,"intercept":8.870159694421712,"variance":0.2112504474966776,"difficulty":1959,"discrimination":0.004479398673070138,"irt_loglikelihood":-794.8877483495492,"irt_users":6806,"is_experimental":false},"abc239_g":{"slope":-0.0007078204705021651,"intercept":9.151014707959023,"variance":0.3359882762561968,"difficulty":2215,"discrimination":0.004479398673070138,"irt_loglikelihood":-419.5970739030594,"irt_users":6806,"is_experimental":false},"abc239_h":{"slope":-0.0005753735467167842,"intercept":8.961758673958915,"variance":0.2796633076245062,"difficulty":2686,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.95880703771095,"irt_users":6806,"is_experimental":false},"abc240_a":{"slope":-0.0007257346852753132,"intercept":6.030885076933535,"variance":0.7591990487420663,"difficulty":-1214,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.9983506552581,"irt_users":5844,"is_experimental":false},"abc240_b":{"slope":-0.0008959376708256902,"intercept":5.535394521561359,"variance":0.5895405399032038,"difficulty":-819,"discrimination":0.004479398673070138,"irt_loglikelihood":-586.804525113825,"irt_users":5844,"is_experimental":false},"abc240_c":{"slope":-0.0012995359172914575,"intercept":7.901988768706111,"variance":0.5058552565057465,"difficulty":464,"discrimination":0.004479398673070138,"irt_loglikelihood":-2745.790546299088,"irt_users":6738,"is_experimental":false},"abc240_d":{"slope":-0.0011417594995866717,"intercept":8.069529707341575,"variance":0.4186631394883509,"difficulty":570,"discrimination":0.004479398673070138,"irt_loglikelihood":-2795.1497675609426,"irt_users":6738,"is_experimental":false},"abc240_e":{"slope":-0.0007798826421446916,"intercept":8.230910806663795,"variance":0.31295367436411237,"difficulty":1068,"discrimination":0.004479398673070138,"irt_loglikelihood":-1869.7295603585178,"irt_users":6738,"is_experimental":false},"abc240_f":{"slope":-0.0005099759865760811,"intercept":8.65329447100957,"variance":0.19214871856066257,"difficulty":1589,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.524654744859,"irt_users":6738,"is_experimental":false},"abc240_g":{"slope":-0.00019053948385756853,"intercept":7.9875459734646395,"variance":0.3464253941539758,"difficulty":2462,"discrimination":0.004479398673070138,"irt_loglikelihood":-286.40957691428827,"irt_users":6738,"is_experimental":false},"abc240_h":{"slope":-0.00039786593784420086,"intercept":8.940268693135824,"variance":0.21877760302814236,"difficulty":3184,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.55519028166333,"irt_users":6738,"is_experimental":false},"abc241_a":{"slope":-0.0009665396140190771,"intercept":6.2717166965120255,"variance":0.679783535907189,"difficulty":-923,"discrimination":0.004479398673070138,"irt_loglikelihood":-599.153741750684,"irt_users":6659,"is_experimental":false},"abc241_b":{"slope":-0.0009524702917649425,"intercept":6.719165136675579,"variance":0.5133800664862298,"difficulty":-503,"discrimination":0.004479398673070138,"irt_loglikelihood":-1255.3535555433814,"irt_users":6659,"is_experimental":false},"abc241_c":{"slope":-0.0008737116511120089,"intercept":8.323265356122311,"variance":0.3849503100490033,"difficulty":664,"discrimination":0.004479398673070138,"irt_loglikelihood":-3963.477716854769,"irt_users":7710,"is_experimental":false},"abc241_d":{"slope":-0.0007748068640143908,"intercept":8.383030484901067,"variance":0.3789935347551825,"difficulty":1177,"discrimination":0.004479398673070138,"irt_loglikelihood":-2607.5945075547143,"irt_users":7710,"is_experimental":false},"abc241_e":{"slope":-0.0007857469751173319,"intercept":8.521756115595412,"variance":0.31644770074463247,"difficulty":1248,"discrimination":0.004479398673070138,"irt_loglikelihood":-1891.8568390707485,"irt_users":7710,"is_experimental":false},"abc241_f":{"slope":-0.00026332812638797914,"intercept":7.899348248864707,"variance":0.2456028034362927,"difficulty":1888,"discrimination":0.004479398673070138,"irt_loglikelihood":-954.6969221639813,"irt_users":7710,"is_experimental":false},"abc241_g":{"slope":-0.00048434488377960147,"intercept":8.42411243562709,"variance":0.28649486499269977,"difficulty":2422,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.3688878497992,"irt_users":7710,"is_experimental":false},"abc241_h":{"slope":-0.00022479535249087573,"intercept":8.453394774082172,"variance":0.25294365564814186,"difficulty":2881,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.62926204013942,"irt_users":7710,"is_experimental":false},"ahc008_a":{"is_experimental":false},"arc136_a":{"slope":-0.0008831774539382366,"intercept":7.599242519391246,"variance":0.5181418883511507,"difficulty":-114,"discrimination":0.004479398673070138,"irt_loglikelihood":-985.9903372996203,"irt_users":3195,"is_experimental":false},"arc136_b":{"slope":-0.0009707785466511829,"intercept":9.125642413570322,"variance":0.5363899413457762,"difficulty":1358,"discrimination":0.004479398673070138,"irt_loglikelihood":-1538.666379227906,"irt_users":3195,"is_experimental":false},"arc136_c":{"slope":-0.0006285227504314955,"intercept":8.78128448760386,"variance":0.5356138724726827,"difficulty":2137,"discrimination":0.004479398673070138,"irt_loglikelihood":-630.4860976565155,"irt_users":3195,"is_experimental":false},"arc136_d":{"slope":-0.0008575297495598546,"intercept":9.371034938134978,"variance":0.40846178210115636,"difficulty":1908,"discrimination":0.004479398673070138,"irt_loglikelihood":-635.7034831586673,"irt_users":3195,"is_experimental":false},"arc136_e":{"slope":-0.0006626143847366922,"intercept":9.640226627977885,"variance":0.14029791252655607,"difficulty":3100,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.79525626760356,"irt_users":3195,"is_experimental":false},"arc136_f":{"difficulty":3554,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.86071080890219,"irt_users":3195,"is_experimental":false},"abc242_a":{"slope":-0.0009439569898758132,"intercept":6.7628838237096724,"variance":0.5092285290349999,"difficulty":-555,"discrimination":0.004479398673070138,"irt_loglikelihood":-947.0873275201758,"irt_users":6713,"is_experimental":false},"abc242_b":{"slope":-0.0011543024341855322,"intercept":6.294324924746448,"variance":0.8276248749989895,"difficulty":-478,"discrimination":0.004479398673070138,"irt_loglikelihood":-1059.0330512787966,"irt_users":6713,"is_experimental":false},"abc242_c":{"slope":-0.0012189308958196672,"intercept":7.926907045638717,"variance":0.4196481607916082,"difficulty":512,"discrimination":0.004479398673070138,"irt_loglikelihood":-2597.6409930425943,"irt_users":6713,"is_experimental":false},"abc242_d":{"slope":-0.0006391511533086784,"intercept":8.437658564551466,"variance":0.2972407714235089,"difficulty":1286,"discrimination":0.004479398673070138,"irt_loglikelihood":-1756.013430961847,"irt_users":6713,"is_experimental":false},"abc242_e":{"slope":-0.0007171252104579049,"intercept":8.528828446721938,"variance":0.30099424882709497,"difficulty":1365,"discrimination":0.004479398673070138,"irt_loglikelihood":-1425.7104454887453,"irt_users":6713,"is_experimental":false},"abc242_f":{"slope":-0.00013066183119789162,"intercept":7.702378603429981,"variance":0.2372455055320546,"difficulty":2268,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.60518039528668,"irt_users":6713,"is_experimental":false},"abc242_g":{"slope":-0.0003607566417423682,"intercept":7.810218417556698,"variance":0.42202258926354097,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-827.5117068297391,"irt_users":6713,"is_experimental":false},"abc242_h":{"slope":-0.000007164487176551874,"intercept":6.8022874047614685,"variance":0.01843131031970993,"difficulty":2835,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.23150302511855,"irt_users":6713,"is_experimental":false},"abc243_a":{"slope":-0.0007772182809197194,"intercept":6.5397602285150365,"variance":0.4803566608663619,"difficulty":-841,"discrimination":0.004479398673070138,"irt_loglikelihood":-614.9214853952394,"irt_users":6412,"is_experimental":false},"abc243_b":{"slope":-0.0007970555363736083,"intercept":6.44849711872484,"variance":0.31226995421509196,"difficulty":-692,"discrimination":0.004479398673070138,"irt_loglikelihood":-839.1787940378521,"irt_users":6412,"is_experimental":false},"abc243_c":{"slope":-0.001053132418128443,"intercept":8.108593540510238,"variance":0.36561066139792475,"difficulty":409,"discrimination":0.004479398673070138,"irt_loglikelihood":-3258.6011581174985,"irt_users":7395,"is_experimental":false},"abc243_d":{"slope":-0.0008960737162529907,"intercept":8.181091613823805,"variance":0.3800098798587547,"difficulty":758,"discrimination":0.004479398673070138,"irt_loglikelihood":-2814.173354727812,"irt_users":7395,"is_experimental":false},"abc243_e":{"slope":-0.0006218020212724072,"intercept":8.54182468575589,"variance":0.34432710320138543,"difficulty":1637,"discrimination":0.004479398673070138,"irt_loglikelihood":-1595.0299480156075,"irt_users":7395,"is_experimental":false},"abc243_f":{"slope":-0.0005651530442850363,"intercept":8.48028395969436,"variance":0.29629139535198334,"difficulty":2125,"discrimination":0.004479398673070138,"irt_loglikelihood":-550.8049809078121,"irt_users":7395,"is_experimental":false},"abc243_g":{"slope":-0.0007167651374643062,"intercept":9.025489624308854,"variance":0.32412747027555466,"difficulty":2032,"discrimination":0.004479398673070138,"irt_loglikelihood":-627.2200266116903,"irt_users":7395,"is_experimental":false},"abc243_h":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.527708023754923,"irt_users":7395,"is_experimental":false},"arc137_a":{"slope":-0.0010406755496074403,"intercept":8.377376579699284,"variance":0.5720481089201717,"difficulty":480,"discrimination":0.004479398673070138,"irt_loglikelihood":-1684.6725469500677,"irt_users":3375,"is_experimental":false},"arc137_b":{"slope":-0.0009428521930474609,"intercept":8.5988717712118,"variance":0.4429188965255785,"difficulty":883,"discrimination":0.004479398673070138,"irt_loglikelihood":-1346.0085844690534,"irt_users":3375,"is_experimental":false},"arc137_c":{"slope":-0.00039718924808969055,"intercept":8.47122546328643,"variance":0.3541085864510638,"difficulty":2043,"discrimination":0.004479398673070138,"irt_loglikelihood":-895.8591630460252,"irt_users":3375,"is_experimental":false},"arc137_d":{"slope":-0.0006744681308152977,"intercept":9.225219470044893,"variance":0.371750981962416,"difficulty":2191,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.19049094065116,"irt_users":3375,"is_experimental":false},"arc137_e":{"slope":-0.0002965540253570808,"intercept":8.428088042268989,"variance":0.44779289731586963,"difficulty":3034,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.38581785487955,"irt_users":3375,"is_experimental":false},"arc137_f":{"slope":-0.00013337343786762473,"intercept":8.209301359359554,"variance":0.31397282831181833,"difficulty":3313,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.652272654289504,"irt_users":3375,"is_experimental":false},"abc244_a":{"slope":-0.000974106466149559,"intercept":5.502397834302499,"variance":1.219712831847219,"difficulty":-1271,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.88103042358767,"irt_users":5107,"is_experimental":false},"abc244_b":{"slope":-0.0008717468993413607,"intercept":6.612035336193863,"variance":0.2423640756931075,"difficulty":-637,"discrimination":0.004479398673070138,"irt_loglikelihood":-693.4331877995688,"irt_users":5107,"is_experimental":false},"abc244_c":{"slope":-0.0009286809957112858,"intercept":7.346834570630418,"variance":0.4102732897682298,"difficulty":46,"discrimination":0.004479398673070138,"irt_loglikelihood":-2574.87088072815,"irt_users":5912,"is_experimental":false},"abc244_d":{"slope":-0.0006532299290389035,"intercept":7.360646449699917,"variance":0.394316536227202,"difficulty":47,"discrimination":0.004479398673070138,"irt_loglikelihood":-2456.4605652907785,"irt_users":5912,"is_experimental":false},"abc244_e":{"slope":-0.0009457033082752582,"intercept":8.530713554453332,"variance":0.29048227263574755,"difficulty":1125,"discrimination":0.004479398673070138,"irt_loglikelihood":-1407.384520566837,"irt_users":5912,"is_experimental":false},"abc244_f":{"slope":-0.0008384358059882176,"intercept":8.79295798253409,"variance":0.2845549350993665,"difficulty":1661,"discrimination":0.004479398673070138,"irt_loglikelihood":-735.4724577274093,"irt_users":5912,"is_experimental":false},"abc244_g":{"slope":-0.0005965808467497933,"intercept":8.650583227369067,"variance":0.17711854219556977,"difficulty":2117,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.04936353764714,"irt_users":5912,"is_experimental":false},"abc244_h":{"slope":-0.00003319607141395593,"intercept":7.978631549042147,"variance":0.16005450275077013,"difficulty":2878,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.91555255020408,"irt_users":5912,"is_experimental":false},"ahc009_a":{"difficulty":3594,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.267671114513197,"irt_users":637,"is_experimental":false},"abc245_a":{"slope":-0.0007885567389821062,"intercept":6.478599793406048,"variance":0.6675758674540497,"difficulty":-716,"discrimination":0.004479398673070138,"irt_loglikelihood":-862.4811030474073,"irt_users":6248,"is_experimental":false},"abc245_b":{"slope":-0.0011569167480936042,"intercept":6.481698600597785,"variance":0.6684017024397878,"difficulty":-523,"discrimination":0.004479398673070138,"irt_loglikelihood":-929.1336396660038,"irt_users":6248,"is_experimental":false},"abc245_c":{"slope":-0.0012111710013476128,"intercept":8.039304399573695,"variance":0.4089792512596095,"difficulty":403,"discrimination":0.004479398673070138,"irt_loglikelihood":-3118.1797088962608,"irt_users":7294,"is_experimental":false},"abc245_d":{"slope":-0.0007310431605628416,"intercept":8.23836896690514,"variance":0.4323756793078703,"difficulty":815,"discrimination":0.004479398673070138,"irt_loglikelihood":-3239.3346368760604,"irt_users":7294,"is_experimental":false},"abc245_e":{"slope":-0.0007844808267946259,"intercept":8.486614560604295,"variance":0.38967610371727707,"difficulty":1571,"discrimination":0.004479398673070138,"irt_loglikelihood":-1202.9340939467509,"irt_users":7294,"is_experimental":false},"abc245_f":{"slope":-0.000814216240778669,"intercept":8.497591073596087,"variance":0.44820976960177894,"difficulty":1451,"discrimination":0.004479398673070138,"irt_loglikelihood":-1451.0538936231344,"irt_users":7294,"is_experimental":false},"abc245_g":{"slope":-0.000587607764112768,"intercept":8.93860120477465,"variance":0.23304273051730742,"difficulty":2270,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.73303618860945,"irt_users":7294,"is_experimental":false},"abc245_h":{"difficulty":3057,"discrimination":0.004479398673070138,"irt_loglikelihood":-52.63779393204493,"irt_users":7294,"is_experimental":false},"abc246_a":{"slope":-0.0009253229803892035,"intercept":6.745088567377241,"variance":0.6069452691089332,"difficulty":-670,"discrimination":0.004479398673070138,"irt_loglikelihood":-933.5449266099365,"irt_users":6088,"is_experimental":false},"abc246_b":{"slope":-0.0008930553083452552,"intercept":6.646468202693036,"variance":0.556247042402401,"difficulty":-250,"discrimination":0.004479398673070138,"irt_loglikelihood":-1867.4484913525903,"irt_users":6088,"is_experimental":false},"abc246_c":{"slope":-0.001075000474250494,"intercept":7.9037411145219805,"variance":0.42379776913620854,"difficulty":330,"discrimination":0.004479398673070138,"irt_loglikelihood":-3287.1152224895827,"irt_users":7100,"is_experimental":false},"abc246_d":{"slope":-0.0007829234730550081,"intercept":8.256070333997654,"variance":0.43384098725760945,"difficulty":1148,"discrimination":0.004479398673070138,"irt_loglikelihood":-2531.271348760608,"irt_users":7100,"is_experimental":false},"abc246_e":{"slope":-0.0006794225567631655,"intercept":8.680530324943485,"variance":0.3142464110365275,"difficulty":1476,"discrimination":0.004479398673070138,"irt_loglikelihood":-1682.30691208406,"irt_users":7100,"is_experimental":false},"abc246_f":{"slope":-0.0007435952502964043,"intercept":8.316322518675598,"variance":0.3676773084176971,"difficulty":1677,"discrimination":0.004479398673070138,"irt_loglikelihood":-1092.1057309744317,"irt_users":7100,"is_experimental":false},"abc246_g":{"slope":-0.00035758944150822593,"intercept":8.274938205359396,"variance":0.2116122034811066,"difficulty":2313,"discrimination":0.004479398673070138,"irt_loglikelihood":-350.71471774932513,"irt_users":7100,"is_experimental":false},"abc246_h":{"slope":-0.0005601515478192093,"intercept":8.900866798061582,"variance":0.20391884992274337,"difficulty":2677,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.54191723533174,"irt_users":7100,"is_experimental":false},"arc138_a":{"slope":-0.0009885739217093102,"intercept":8.778356137562902,"variance":0.3961691794825649,"difficulty":837,"discrimination":0.004479398673070138,"irt_loglikelihood":-1180.719797122898,"irt_users":3231,"is_experimental":false},"arc138_b":{"slope":-0.0007968670053490949,"intercept":8.42420263840534,"variance":0.5350122532467717,"difficulty":934,"discrimination":0.004479398673070138,"irt_loglikelihood":-1499.030549116584,"irt_users":3231,"is_experimental":false},"arc138_c":{"slope":-0.0005779739533822238,"intercept":8.623061088336181,"variance":0.3160382754172197,"difficulty":1728,"discrimination":0.004479398673070138,"irt_loglikelihood":-1014.9855757993769,"irt_users":3231,"is_experimental":false},"arc138_d":{"slope":-0.0001495929178548147,"intercept":7.839427880780356,"variance":0.7765070075582229,"difficulty":2083,"discrimination":0.004479398673070138,"irt_loglikelihood":-917.507121583749,"irt_users":3231,"is_experimental":false},"arc138_e":{"slope":-0.0003035892690076671,"intercept":9.14862910288882,"variance":0.05724088992692468,"difficulty":3624,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.622863726674098,"irt_users":3231,"is_experimental":false},"arc138_f":{"difficulty":3882,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.702893562451405,"irt_users":3231,"is_experimental":false},"abc247_a":{"slope":-0.0009533125062841911,"intercept":6.213779897607381,"variance":0.7630821914008932,"difficulty":-944,"discrimination":0.004479398673070138,"irt_loglikelihood":-378.3219096619355,"irt_users":5965,"is_experimental":false},"abc247_b":{"slope":-0.0008167983255887314,"intercept":7.597219698862787,"variance":0.3650308930670356,"difficulty":127,"discrimination":0.004479398673070138,"irt_loglikelihood":-2506.164625753796,"irt_users":5965,"is_experimental":false},"abc247_c":{"slope":-0.0011012051558139072,"intercept":7.445194469460197,"variance":0.6391417017113522,"difficulty":5,"discrimination":0.004479398673070138,"irt_loglikelihood":-2764.6860619195277,"irt_users":6819,"is_experimental":false},"abc247_d":{"slope":-0.0009437208139453657,"intercept":7.766258167908511,"variance":0.31994363321772296,"difficulty":468,"discrimination":0.004479398673070138,"irt_loglikelihood":-2756.530979301461,"irt_users":6819,"is_experimental":false},"abc247_e":{"slope":-0.0008176962115830182,"intercept":8.55644979048715,"variance":0.323952898500935,"difficulty":1256,"discrimination":0.004479398673070138,"irt_loglikelihood":-1680.6093015178067,"irt_users":6819,"is_experimental":false},"abc247_f":{"slope":-0.0005852006348365523,"intercept":8.416783601438226,"variance":0.2576079545840825,"difficulty":1697,"discrimination":0.004479398673070138,"irt_loglikelihood":-911.0157984375543,"irt_users":6819,"is_experimental":false},"abc247_g":{"slope":-0.0008052716501196462,"intercept":8.948001518660156,"variance":0.3385813352078901,"difficulty":2159,"discrimination":0.004479398673070138,"irt_loglikelihood":-401.69970934448804,"irt_users":6819,"is_experimental":false},"abc247_h":{"slope":-0.00030483514734769626,"intercept":8.376910656582417,"variance":0.18079199753458666,"difficulty":2664,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.971477174652,"irt_users":6819,"is_experimental":false},"abc248_a":{"slope":-0.0010413556491807856,"intercept":6.443732987775931,"variance":0.8101809053851619,"difficulty":-769,"discrimination":0.004479398673070138,"irt_loglikelihood":-516.2610228952544,"irt_users":5871,"is_experimental":false},"abc248_b":{"slope":-0.0010180232312090116,"intercept":6.308673174385383,"variance":0.639510676377407,"difficulty":-511,"discrimination":0.004479398673070138,"irt_loglikelihood":-958.8865575199231,"irt_users":5871,"is_experimental":false},"abc248_c":{"slope":-0.0012110570981843927,"intercept":8.064850382859692,"variance":0.45340076037964827,"difficulty":787,"discrimination":0.004479398673070138,"irt_loglikelihood":-2556.4479183506955,"irt_users":6826,"is_experimental":false},"abc248_d":{"slope":-0.00117807494288637,"intercept":8.260704648605511,"variance":0.6059250658130325,"difficulty":793,"discrimination":0.004479398673070138,"irt_loglikelihood":-2606.6157104020554,"irt_users":6826,"is_experimental":false},"abc248_e":{"slope":-0.0008205588262768346,"intercept":8.68867403263672,"variance":0.37135431715863226,"difficulty":1292,"discrimination":0.004479398673070138,"irt_loglikelihood":-1557.2077251926576,"irt_users":6826,"is_experimental":false},"abc248_f":{"slope":-0.0006233834629189301,"intercept":8.564721795255544,"variance":0.26928044909896437,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.9368704392404,"irt_users":6826,"is_experimental":false},"abc248_g":{"slope":-0.0003779550152193124,"intercept":8.559771668779456,"variance":0.17534659237445663,"difficulty":2514,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.37768879473103,"irt_users":6826,"is_experimental":false},"abc248_h":{"slope":-0.00040930509598922134,"intercept":8.49752247020221,"variance":0.33100332338413335,"difficulty":2960,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.39096309810039,"irt_users":6826,"is_experimental":false},"abc249_a":{"slope":-0.0008095041350120379,"intercept":7.446010350454133,"variance":0.4072022595960445,"difficulty":-142,"discrimination":0.004479398673070138,"irt_loglikelihood":-1905.4703326901017,"irt_users":5621,"is_experimental":false},"abc249_b":{"slope":-0.0010062301145756466,"intercept":7.027156943275414,"variance":0.46943616228866625,"difficulty":-459,"discrimination":0.004479398673070138,"irt_loglikelihood":-1004.2049899058991,"irt_users":5621,"is_experimental":false},"abc249_c":{"slope":-0.0011087271502996695,"intercept":7.86199225095633,"variance":0.36694230476644846,"difficulty":528,"discrimination":0.004479398673070138,"irt_loglikelihood":-2598.7714082397897,"irt_users":6423,"is_experimental":false},"abc249_d":{"slope":-0.0010593088304817924,"intercept":8.447310266884868,"variance":0.5229536027762142,"difficulty":983,"discrimination":0.004479398673070138,"irt_loglikelihood":-2041.4336538257728,"irt_users":6423,"is_experimental":false},"abc249_e":{"slope":-0.0005695288123219061,"intercept":8.686564212703619,"variance":0.2463181694161255,"difficulty":1970,"discrimination":0.004479398673070138,"irt_loglikelihood":-626.2787686153489,"irt_users":6423,"is_experimental":false},"abc249_f":{"slope":-0.0007237263597301007,"intercept":8.90216968035817,"variance":0.3040800524254157,"difficulty":1786,"discrimination":0.004479398673070138,"irt_loglikelihood":-864.8738255568514,"irt_users":6423,"is_experimental":false},"abc249_g":{"slope":-0.0003051391626467894,"intercept":8.645915788843253,"variance":0.1742030077561009,"difficulty":2756,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.81561750867652,"irt_users":6423,"is_experimental":false},"abc249_h":{"difficulty":3487,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.736990675145163,"irt_users":6423,"is_experimental":false},"ahc010_a":{"difficulty":3519,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.896865974526971,"irt_users":575,"is_experimental":false},"arc139_a":{"slope":-0.0010777880698325628,"intercept":8.707664009369195,"variance":0.5208905862015089,"difficulty":599,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.5982369862577,"irt_users":1921,"is_experimental":false},"arc139_b":{"slope":-0.0006767559873848923,"intercept":9.22398392820881,"variance":0.39270278646168943,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-735.6297566589516,"irt_users":1921,"is_experimental":false},"arc139_c":{"slope":-0.0003569890841995401,"intercept":8.959202576285897,"variance":0.1529725907260654,"difficulty":2406,"discrimination":0.004479398673070138,"irt_loglikelihood":-309.7359226123649,"irt_users":1921,"is_experimental":false},"arc139_d":{"slope":-0.0002701731401965769,"intercept":8.615164336929032,"variance":0.3036443081308683,"difficulty":2816,"discrimination":0.004479398673070138,"irt_loglikelihood":-106.86815176054421,"irt_users":1921,"is_experimental":false},"arc139_e":{"slope":-0.0005840852606301167,"intercept":9.682932237725863,"variance":0.19647556681506312,"difficulty":3222,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.8384768318166,"irt_users":1921,"is_experimental":false},"arc139_f":{"is_experimental":false},"agc057_a":{"slope":-0.0007324795591643668,"intercept":9.203316110755575,"variance":0.4267212398958757,"difficulty":1389,"discrimination":0.004479398673070138,"irt_loglikelihood":-670.7962435922736,"irt_users":1278,"is_experimental":false},"agc057_b":{"slope":-0.0006720785382247054,"intercept":9.685225382792716,"variance":0.2961156733988598,"difficulty":1952,"discrimination":0.004479398673070138,"irt_loglikelihood":-524.0952417281604,"irt_users":1278,"is_experimental":false},"agc057_c":{"slope":-0.0005941426975143325,"intercept":10.287416126939275,"variance":0.17422082062466598,"difficulty":3366,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.27969139278918,"irt_users":1278,"is_experimental":false},"agc057_d":{"slope":-0.00042838280095129855,"intercept":9.902970393387445,"variance":0.14993986371837392,"difficulty":3307,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.09844377560792,"irt_users":1278,"is_experimental":false},"agc057_e":{"difficulty":4128,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.015921314268802,"irt_users":1278,"is_experimental":false},"agc057_f":{"difficulty":4128,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.8047028573972,"irt_users":1278,"is_experimental":false},"abc250_a":{"slope":-0.0009362065035783757,"intercept":6.852357386143326,"variance":0.5368279197643752,"difficulty":-706,"discrimination":0.004479398673070138,"irt_loglikelihood":-662.6231988587751,"irt_users":5325,"is_experimental":false},"abc250_b":{"slope":-0.0009632569206607009,"intercept":7.4226291683346854,"variance":0.30142343460371873,"difficulty":-119,"discrimination":0.004479398673070138,"irt_loglikelihood":-1636.3738487284677,"irt_users":5325,"is_experimental":false},"abc250_c":{"slope":-0.0008913358246488617,"intercept":7.7275495257543545,"variance":0.3554739426776979,"difficulty":517,"discrimination":0.004479398673070138,"irt_loglikelihood":-2777.184909236455,"irt_users":6045,"is_experimental":false},"abc250_d":{"slope":-0.0009243866087934192,"intercept":8.189789560331409,"variance":0.3634228454692038,"difficulty":797,"discrimination":0.004479398673070138,"irt_loglikelihood":-2303.3483619240355,"irt_users":6045,"is_experimental":false},"abc250_e":{"slope":-0.0006400721285142651,"intercept":8.401581351019919,"variance":0.3852867836815522,"difficulty":1421,"discrimination":0.004479398673070138,"irt_loglikelihood":-1425.7546662376424,"irt_users":6045,"is_experimental":false},"abc250_f":{"slope":-0.0006919979315083837,"intercept":8.829160777710792,"variance":0.23781972424924508,"difficulty":2044,"discrimination":0.004479398673070138,"irt_loglikelihood":-530.5112166914485,"irt_users":6045,"is_experimental":false},"abc250_g":{"slope":-0.00005925465415833943,"intercept":7.468962895747082,"variance":0.5241365694715049,"difficulty":2219,"discrimination":0.004479398673070138,"irt_loglikelihood":-639.1182702467529,"irt_users":6045,"is_experimental":false},"abc250_h":{"slope":-0.00009993215920176205,"intercept":7.903927270299166,"variance":0.3237217505410159,"difficulty":2773,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.83573958365973,"irt_users":6045,"is_experimental":false},"abc251_a":{"slope":-0.0008721532632861607,"intercept":5.930194219521987,"variance":0.853696569265061,"difficulty":-1113,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.4648448850985,"irt_users":5769,"is_experimental":false},"abc251_b":{"slope":-0.0010034488977742387,"intercept":7.436524990994843,"variance":0.4196099801237182,"difficulty":83,"discrimination":0.004479398673070138,"irt_loglikelihood":-1947.3312779425175,"irt_users":5769,"is_experimental":false},"abc251_c":{"slope":-0.0010281154977302889,"intercept":7.331150950620772,"variance":0.4932048915002733,"difficulty":205,"discrimination":0.004479398673070138,"irt_loglikelihood":-2728.740294836205,"irt_users":6694,"is_experimental":false},"abc251_d":{"slope":-0.0008759184408474875,"intercept":8.310736848123604,"variance":0.5755684452886869,"difficulty":1463,"discrimination":0.004479398673070138,"irt_loglikelihood":-1923.417087094323,"irt_users":6694,"is_experimental":false},"abc251_e":{"slope":-0.0008802001805988743,"intercept":8.715152118229907,"variance":0.40173338570721573,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-1846.1197466154083,"irt_users":6694,"is_experimental":false},"abc251_f":{"slope":-0.0006775004957110211,"intercept":8.352996437604473,"variance":0.29019693126549095,"difficulty":1703,"discrimination":0.004479398673070138,"irt_loglikelihood":-876.9482165816394,"irt_users":6694,"is_experimental":false},"abc251_g":{"slope":-0.0005440157523630038,"intercept":8.764590390267237,"variance":0.2787909076861568,"difficulty":2468,"discrimination":0.004479398673070138,"irt_loglikelihood":-215.02717580766887,"irt_users":6694,"is_experimental":false},"abc251_h":{"slope":-0.00017362372567513015,"intercept":8.46522039637964,"variance":0.24013284489240969,"difficulty":3108,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.39398637024124,"irt_users":6694,"is_experimental":false},"arc140_a":{"slope":-0.0010905227780254741,"intercept":8.806686820087819,"variance":0.44240162523431015,"difficulty":951,"discrimination":0.004479398673070138,"irt_loglikelihood":-1091.8594244386074,"irt_users":2192,"is_experimental":false},"arc140_b":{"slope":-0.0008066925126523264,"intercept":8.906791146048977,"variance":0.3764481084099633,"difficulty":1092,"discrimination":0.004479398673070138,"irt_loglikelihood":-1075.857353608195,"irt_users":2192,"is_experimental":false},"arc140_c":{"slope":-0.0006432860182625395,"intercept":8.750141072755978,"variance":0.24680968636918052,"difficulty":1596,"discrimination":0.004479398673070138,"irt_loglikelihood":-767.392986220554,"irt_users":2192,"is_experimental":false},"arc140_d":{"slope":-0.0004200557357735732,"intercept":8.498718636797506,"variance":0.2871396368593756,"difficulty":2443,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.6131513490025,"irt_users":2192,"is_experimental":false},"arc140_e":{"slope":-0.0004974760056294667,"intercept":8.922354894467182,"variance":0.2790464045405462,"difficulty":2739,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.90023943904455,"irt_users":2192,"is_experimental":false},"arc140_f":{"difficulty":3392,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.576583515027924,"irt_users":2192,"is_experimental":false},"abc252_a":{"slope":-0.0009191474669599636,"intercept":5.6954441337765696,"variance":1.0192892687640958,"difficulty":-1225,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.01840246625207,"irt_users":6434,"is_experimental":false},"abc252_b":{"slope":-0.0009276377277565839,"intercept":6.899618696941877,"variance":0.4490470826692109,"difficulty":-497,"discrimination":0.004479398673070138,"irt_loglikelihood":-1027.6148392480293,"irt_users":6434,"is_experimental":false},"abc252_c":{"slope":-0.0009852688365386668,"intercept":8.116858459959078,"variance":0.2964149152810185,"difficulty":441,"discrimination":0.004479398673070138,"irt_loglikelihood":-3410.6086205556653,"irt_users":7424,"is_experimental":false},"abc252_d":{"slope":-0.0009980695995963668,"intercept":8.202837149595647,"variance":0.48161938905931134,"difficulty":884,"discrimination":0.004479398673070138,"irt_loglikelihood":-2668.020017028311,"irt_users":7424,"is_experimental":false},"abc252_e":{"slope":-0.0007939083238018378,"intercept":8.431186025797402,"variance":0.3653393809123321,"difficulty":1294,"discrimination":0.004479398673070138,"irt_loglikelihood":-1697.5632642847593,"irt_users":7424,"is_experimental":false},"abc252_f":{"slope":-0.0006838227260187922,"intercept":8.031324909626125,"variance":0.44053339068815206,"difficulty":1609,"discrimination":0.004479398673070138,"irt_loglikelihood":-1432.0166544329286,"irt_users":7424,"is_experimental":false},"abc252_g":{"slope":-0.0004283675626768241,"intercept":8.213777976446574,"variance":0.3623981494192035,"difficulty":2153,"discrimination":0.004479398673070138,"irt_loglikelihood":-477.95670828297045,"irt_users":7424,"is_experimental":false},"abc252_h":{"slope":-0.00013932699157593424,"intercept":8.23896634343639,"variance":0.2069448850878812,"difficulty":3015,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.397345144426836,"irt_users":7424,"is_experimental":false},"abc253_a":{"slope":-0.0009328811468272314,"intercept":6.289456751369534,"variance":0.8755386695405842,"difficulty":-857,"discrimination":0.004479398673070138,"irt_loglikelihood":-553.619517008567,"irt_users":6265,"is_experimental":false},"abc253_b":{"slope":-0.0009922235151239784,"intercept":6.837751426703135,"variance":0.41017151363838095,"difficulty":-378,"discrimination":0.004479398673070138,"irt_loglikelihood":-1182.3119579836641,"irt_users":6265,"is_experimental":false},"abc253_c":{"slope":-0.0009354382111898947,"intercept":7.603261318185203,"variance":0.62643258554603,"difficulty":518,"discrimination":0.004479398673070138,"irt_loglikelihood":-3433.003171975488,"irt_users":7373,"is_experimental":false},"abc253_d":{"slope":-0.0009446491581499839,"intercept":7.847796186710404,"variance":0.6469699139990749,"difficulty":520,"discrimination":0.004479398673070138,"irt_loglikelihood":-3202.075302794073,"irt_users":7373,"is_experimental":false},"abc253_e":{"slope":-0.0008684374232112474,"intercept":8.695511666936563,"variance":0.23559731123888228,"difficulty":1073,"discrimination":0.004479398673070138,"irt_loglikelihood":-1963.7163240363186,"irt_users":7373,"is_experimental":false},"abc253_f":{"slope":-0.000674408387050743,"intercept":8.845360127578093,"variance":0.19087825956002188,"difficulty":1756,"discrimination":0.004479398673070138,"irt_loglikelihood":-921.0577391735552,"irt_users":7373,"is_experimental":false},"abc253_g":{"slope":-0.0005144501585736111,"intercept":8.577427089417995,"variance":0.223754784008813,"difficulty":2051,"discrimination":0.004479398673070138,"irt_loglikelihood":-571.75100933726,"irt_users":7373,"is_experimental":false},"abc253_h":{"slope":-0.000442328305844848,"intercept":8.718074679750407,"variance":0.1586242900604946,"difficulty":2758,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.4637424071937,"irt_users":7373,"is_experimental":false},"arc141_a":{"slope":-0.0009001898449654261,"intercept":8.95953635613646,"variance":0.31691480498437447,"difficulty":734,"discrimination":0.004479398673070138,"irt_loglikelihood":-999.7759444751523,"irt_users":2054,"is_experimental":false},"arc141_b":{"slope":-0.000997231327819718,"intercept":9.192424092423948,"variance":0.31094273875110295,"difficulty":1265,"discrimination":0.004479398673070138,"irt_loglikelihood":-725.0855738564264,"irt_users":2054,"is_experimental":false},"arc141_c":{"slope":-0.0003508520104578454,"intercept":8.946230760334375,"variance":0.20569674493056686,"difficulty":2342,"discrimination":0.004479398673070138,"irt_loglikelihood":-317.09817569021607,"irt_users":2054,"is_experimental":false},"arc141_d":{"slope":-0.0004038113736524597,"intercept":8.80351186999261,"variance":0.29777167030141793,"difficulty":2890,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.0809397846264,"irt_users":2054,"is_experimental":false},"arc141_e":{"slope":-0.0003454123845247719,"intercept":9.022151506952765,"variance":0.2311427017050844,"difficulty":3009,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.24417618492235,"irt_users":2054,"is_experimental":false},"arc141_f":{"difficulty":4134,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.83055139910174,"irt_users":2054,"is_experimental":false},"abc254_a":{"slope":-0.000851606656051433,"intercept":5.765372557584222,"variance":0.9940496059983649,"difficulty":-1194,"discrimination":0.004479398673070138,"irt_loglikelihood":-297.2882331874938,"irt_users":6785,"is_experimental":false},"abc254_b":{"slope":-0.000854769735076121,"intercept":6.793482491227696,"variance":0.44782985174501766,"difficulty":-476,"discrimination":0.004479398673070138,"irt_loglikelihood":-1308.5629502931017,"irt_users":6785,"is_experimental":false},"abc254_c":{"slope":-0.0012205383326684479,"intercept":8.189684712998668,"variance":0.47852909872123334,"difficulty":536,"discrimination":0.004479398673070138,"irt_loglikelihood":-3456.798892971747,"irt_users":7787,"is_experimental":false},"abc254_d":{"slope":-0.0008966279346449296,"intercept":8.351087369676359,"variance":0.47405498327819307,"difficulty":1191,"discrimination":0.004479398673070138,"irt_loglikelihood":-2498.3091919736607,"irt_users":7787,"is_experimental":false},"abc254_e":{"slope":-0.0008619005673684307,"intercept":8.380621218567292,"variance":0.4233337934884632,"difficulty":1202,"discrimination":0.004479398673070138,"irt_loglikelihood":-2123.4476143880024,"irt_users":7787,"is_experimental":false},"abc254_f":{"slope":-0.0007085348497091898,"intercept":8.500920329330842,"variance":0.32172638612781795,"difficulty":1764,"discrimination":0.004479398673070138,"irt_loglikelihood":-935.5522775088547,"irt_users":7787,"is_experimental":false},"abc254_g":{"slope":-0.0005832586539195389,"intercept":9.60517138995691,"variance":0.18181050402016063,"difficulty":2890,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.69893887647899,"irt_users":7787,"is_experimental":false},"abc254_h":{"slope":-0.00028971373980449065,"intercept":8.24821490458716,"variance":0.30685412919701266,"difficulty":2499,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.11328613549531,"irt_users":7787,"is_experimental":false},"ahc011_a":{"difficulty":3615,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.5714387627554864,"irt_users":711,"is_experimental":false},"abc255_a":{"slope":-0.0009642726858217224,"intercept":5.944181634735714,"variance":0.5042503430791475,"difficulty":-983,"discrimination":0.004479398673070138,"irt_loglikelihood":-254.688802240961,"irt_users":6352,"is_experimental":false},"abc255_b":{"slope":-0.001051354240842083,"intercept":7.936128729039242,"variance":0.3012881541525849,"difficulty":348,"discrimination":0.004479398673070138,"irt_loglikelihood":-2807.9512631053362,"irt_users":6352,"is_experimental":false},"abc255_c":{"slope":-0.000889343997728927,"intercept":8.201769494487975,"variance":0.38532397394688767,"difficulty":574,"discrimination":0.004479398673070138,"irt_loglikelihood":-2964.824829597772,"irt_users":6352,"is_experimental":false},"abc255_d":{"slope":-0.0009039245812077586,"intercept":8.019482898355342,"variance":0.3932582123038588,"difficulty":788,"discrimination":0.004479398673070138,"irt_loglikelihood":-2157.307329772885,"irt_users":6352,"is_experimental":false},"abc255_e":{"slope":-0.000383822921535513,"intercept":7.995096139639811,"variance":0.2723046591489038,"difficulty":1519,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.830726052284,"irt_users":6352,"is_experimental":false},"abc255_f":{"slope":-0.0004065399102807995,"intercept":8.240330093655913,"variance":0.2743951603786297,"difficulty":1797,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.2949781642933,"irt_users":6352,"is_experimental":false},"abc255_g":{"slope":-0.0006336433388718698,"intercept":8.690350093664792,"variance":0.21960526590982138,"difficulty":2734,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.66616556142372,"irt_users":6352,"is_experimental":false},"abc255_h":{"difficulty":2430,"discrimination":0.004479398673070138,"irt_loglikelihood":-126.02282174285867,"irt_users":6352,"is_experimental":false},"abc256_a":{"slope":-0.0009609516725736064,"intercept":5.481330866383215,"variance":1.2513684233897473,"difficulty":-1191,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.68861023061947,"irt_users":6088,"is_experimental":false},"abc256_b":{"slope":-0.0009551508093229098,"intercept":7.253982376832526,"variance":0.3303462039130442,"difficulty":-227,"discrimination":0.004479398673070138,"irt_loglikelihood":-1622.5716582418288,"irt_users":6088,"is_experimental":false},"abc256_c":{"slope":-0.000848310422858752,"intercept":7.916221098061477,"variance":0.27835368671513827,"difficulty":541,"discrimination":0.004479398673070138,"irt_loglikelihood":-3401.3008797745215,"irt_users":7049,"is_experimental":false},"abc256_d":{"slope":-0.0009702071225998834,"intercept":7.904720191950855,"variance":0.4645891094453342,"difficulty":546,"discrimination":0.004479398673070138,"irt_loglikelihood":-2942.3792006534322,"irt_users":7049,"is_experimental":false},"abc256_e":{"slope":-0.0007915277630564157,"intercept":8.40890635743729,"variance":0.30122297620253535,"difficulty":1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-1754.890207839357,"irt_users":7049,"is_experimental":false},"abc256_f":{"slope":-0.000572233107999834,"intercept":8.76931989178743,"variance":0.25966215099155726,"difficulty":2067,"discrimination":0.004479398673070138,"irt_loglikelihood":-642.6168915957473,"irt_users":7049,"is_experimental":false},"abc256_g":{"slope":-0.0006813809975771406,"intercept":8.764385960138185,"variance":0.31651624276568957,"difficulty":2250,"discrimination":0.004479398673070138,"irt_loglikelihood":-390.77741371005374,"irt_users":7049,"is_experimental":false},"abc256_h":{"slope":-0.000346144385214824,"intercept":8.163028006584875,"variance":0.3617130090778091,"difficulty":2531,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.9698485682772,"irt_users":7049,"is_experimental":false},"arc142_a":{"slope":-0.0008471887992628108,"intercept":8.503324751977487,"variance":0.38019863967126005,"difficulty":552,"discrimination":0.004479398673070138,"irt_loglikelihood":-1137.5231687284922,"irt_users":2377,"is_experimental":false},"arc142_b":{"slope":-0.0007175919471422394,"intercept":8.036260095112565,"variance":0.48428593840806555,"difficulty":692,"discrimination":0.004479398673070138,"irt_loglikelihood":-1245.917797887306,"irt_users":2377,"is_experimental":false},"arc142_c":{"slope":-0.0005930784926123996,"intercept":8.855946912517838,"variance":0.32003163555619923,"difficulty":1347,"discrimination":0.004479398673070138,"irt_loglikelihood":-982.6382870396735,"irt_users":2377,"is_experimental":false},"arc142_d":{"slope":-0.0004921689359487331,"intercept":9.497297677297704,"variance":0.13226270307538332,"difficulty":2938,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.81249412694098,"irt_users":2377,"is_experimental":false},"arc142_e":{"slope":-0.00039997977359139495,"intercept":9.27290706866523,"variance":0.12970767871612132,"difficulty":3232,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.210934220801384,"irt_users":2377,"is_experimental":false},"arc142_f":{"difficulty":3723,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.419862485155846,"irt_users":2377,"is_experimental":false},"abc257_a":{"slope":-0.0010161847647687037,"intercept":6.804536376172958,"variance":0.6704658542830154,"difficulty":-754,"discrimination":0.004479398673070138,"irt_loglikelihood":-580.7054366421814,"irt_users":6015,"is_experimental":false},"abc257_b":{"slope":-0.0009402509677244794,"intercept":7.398806286364449,"variance":0.28152503877159935,"difficulty":-194,"discrimination":0.004479398673070138,"irt_loglikelihood":-1618.1994752011058,"irt_users":6015,"is_experimental":false},"abc257_c":{"slope":-0.0010059315400654638,"intercept":8.34740814222955,"variance":0.32784991470543734,"difficulty":678,"discrimination":0.004479398673070138,"irt_loglikelihood":-2846.3024835469137,"irt_users":6914,"is_experimental":false},"abc257_d":{"slope":-0.0007232912071809042,"intercept":8.430222462468556,"variance":0.2916188289115471,"difficulty":1203,"discrimination":0.004479398673070138,"irt_loglikelihood":-1921.8113973580514,"irt_users":6914,"is_experimental":false},"abc257_e":{"slope":-0.0007820855275500542,"intercept":8.297780956635835,"variance":0.47778019548183526,"difficulty":1385,"discrimination":0.004479398673070138,"irt_loglikelihood":-1621.0614984621955,"irt_users":6914,"is_experimental":false},"abc257_f":{"slope":-0.0007291759959338978,"intercept":8.59977574645886,"variance":0.2963103577718826,"difficulty":1775,"discrimination":0.004479398673070138,"irt_loglikelihood":-854.6318612318616,"irt_users":6914,"is_experimental":false},"abc257_g":{"slope":-0.00048064574521908656,"intercept":8.075340701527804,"variance":0.3856504611782042,"difficulty":2078,"discrimination":0.004479398673070138,"irt_loglikelihood":-542.8608998627958,"irt_users":6914,"is_experimental":false},"abc257_h":{"difficulty":3461,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.414298980378604,"irt_users":6914,"is_experimental":false},"arc143_a":{"slope":-0.000800513104767568,"intercept":7.779218761018338,"variance":0.5664477071159155,"difficulty":-42,"discrimination":0.004479398673070138,"irt_loglikelihood":-749.9300121464813,"irt_users":2521,"is_experimental":false},"arc143_b":{"slope":-0.0009131987529151473,"intercept":9.197522010019911,"variance":0.2970304083531008,"difficulty":1433,"discrimination":0.004479398673070138,"irt_loglikelihood":-1087.9226091639919,"irt_users":2521,"is_experimental":false},"arc143_c":{"slope":-0.0004956256632357882,"intercept":8.71486435811203,"variance":0.3274070031876144,"difficulty":1805,"discrimination":0.004479398673070138,"irt_loglikelihood":-988.361688663349,"irt_users":2521,"is_experimental":false},"arc143_d":{"slope":-0.0006140463275280325,"intercept":8.96895884772107,"variance":0.2604910776209904,"difficulty":2229,"discrimination":0.004479398673070138,"irt_loglikelihood":-376.58029885033795,"irt_users":2521,"is_experimental":false},"arc143_e":{"slope":-0.0002350956158881745,"intercept":8.197993109401711,"variance":0.16227578520526856,"difficulty":2521,"discrimination":0.004479398673070138,"irt_loglikelihood":-256.71802019335087,"irt_users":2521,"is_experimental":false},"arc143_f":{"is_experimental":false},"abc258_a":{"slope":-0.0007735261836111831,"intercept":6.325903717218331,"variance":0.6241309233880352,"difficulty":-1060,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.338192634345,"irt_users":6524,"is_experimental":false},"abc258_b":{"slope":-0.0010036456243620062,"intercept":8.05544649506968,"variance":0.32437699206901943,"difficulty":511,"discrimination":0.004479398673070138,"irt_loglikelihood":-2887.090427676676,"irt_users":6524,"is_experimental":false},"abc258_c":{"slope":-0.0012503618452347882,"intercept":7.9322519938974825,"variance":0.5557115402949401,"difficulty":419,"discrimination":0.004479398673070138,"irt_loglikelihood":-3520.0953864838084,"irt_users":7496,"is_experimental":false},"abc258_d":{"slope":-0.000816935206145724,"intercept":7.8232519904321665,"variance":0.392992871489046,"difficulty":687,"discrimination":0.004479398673070138,"irt_loglikelihood":-3086.1325297998796,"irt_users":7496,"is_experimental":false},"abc258_e":{"slope":-0.0006377890095287141,"intercept":8.843460716496775,"variance":0.21023666078234454,"difficulty":1545,"discrimination":0.004479398673070138,"irt_loglikelihood":-1425.9288207953039,"irt_users":7496,"is_experimental":false},"abc258_f":{"slope":-0.00036744913099606263,"intercept":8.398646943922344,"variance":0.1650449250636264,"difficulty":2306,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.60305140091543,"irt_users":7496,"is_experimental":false},"abc258_g":{"slope":-0.00037324432436674387,"intercept":7.871981913508366,"variance":0.6061372730795676,"difficulty":1944,"discrimination":0.004479398673070138,"irt_loglikelihood":-1073.7090451351685,"irt_users":7496,"is_experimental":false},"abc258_h":{"slope":-0.00028043193362607563,"intercept":8.159655511379126,"variance":0.3444436879551176,"difficulty":2708,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.75439629111423,"irt_users":7496,"is_experimental":false},"ahc012_a":{"difficulty":3580,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.9209750991720633,"irt_users":638,"is_experimental":false},"abc259_a":{"slope":-0.0007610255395221501,"intercept":6.763680141200922,"variance":0.46438136479275705,"difficulty":-582,"discrimination":0.004479398673070138,"irt_loglikelihood":-1075.7594387945671,"irt_users":6113,"is_experimental":false},"abc259_b":{"slope":-0.0007903863296398094,"intercept":7.246278909001426,"variance":0.5349734645830645,"difficulty":81,"discrimination":0.004479398673070138,"irt_loglikelihood":-3321.9898473132494,"irt_users":6113,"is_experimental":false},"abc259_c":{"slope":-0.00096531031790066,"intercept":8.155933376231571,"variance":0.372388350251006,"difficulty":451,"discrimination":0.004479398673070138,"irt_loglikelihood":-3681.6650627236786,"irt_users":6976,"is_experimental":false},"abc259_d":{"slope":-0.0007992110883570071,"intercept":8.351412001969821,"variance":0.29576685165813305,"difficulty":947,"discrimination":0.004479398673070138,"irt_loglikelihood":-2779.3529619503506,"irt_users":6976,"is_experimental":false},"abc259_e":{"slope":-0.0007163661643100673,"intercept":8.38760707695192,"variance":0.2896904253594712,"difficulty":1370,"discrimination":0.004479398673070138,"irt_loglikelihood":-1662.3222944058805,"irt_users":6976,"is_experimental":false},"abc259_f":{"slope":-0.0006489580005405979,"intercept":8.662937376774503,"variance":0.23907115651215918,"difficulty":1961,"discrimination":0.004479398673070138,"irt_loglikelihood":-740.1912115523372,"irt_users":6976,"is_experimental":false},"abc259_g":{"slope":-0.00035636883162215355,"intercept":8.00927914512967,"variance":0.33350969396709684,"difficulty":2428,"discrimination":0.004479398673070138,"irt_loglikelihood":-262.32869113487715,"irt_users":6976,"is_experimental":false},"abc259_h":{"slope":-0.0007683773559162352,"intercept":9.011131115695242,"variance":0.34963729567723045,"difficulty":2406,"discrimination":0.004479398673070138,"irt_loglikelihood":-287.7391106321004,"irt_users":6976,"is_experimental":false},"arc144_a":{"slope":-0.0008254217129099141,"intercept":7.562110744745171,"variance":0.46612460650995946,"difficulty":-136,"discrimination":0.004479398673070138,"irt_loglikelihood":-978.512956284884,"irt_users":3313,"is_experimental":false},"arc144_b":{"slope":-0.0009133393855176264,"intercept":8.257212080282763,"variance":0.48074065815159694,"difficulty":895,"discrimination":0.004479398673070138,"irt_loglikelihood":-1540.9708014838097,"irt_users":3313,"is_experimental":false},"arc144_c":{"slope":-0.0005499913414886867,"intercept":9.067219327023775,"variance":0.1791431358851934,"difficulty":1622,"discrimination":0.004479398673070138,"irt_loglikelihood":-1133.2044030883874,"irt_users":3313,"is_experimental":false},"arc144_d":{"slope":-0.0005284614863607123,"intercept":9.215551334960372,"variance":0.21103945636004726,"difficulty":2468,"discrimination":0.004479398673070138,"irt_loglikelihood":-312.37030533456635,"irt_users":3313,"is_experimental":false},"arc144_e":{"slope":-0.0006157112976188377,"intercept":9.722406347465002,"variance":0.1642344586014161,"difficulty":3238,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.36865236703077,"irt_users":3313,"is_experimental":false},"arc144_f":{"difficulty":3744,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.952103794820972,"irt_users":3313,"is_experimental":false},"abc260_a":{"slope":-0.0009098099612906541,"intercept":6.357191633338358,"variance":0.7093768660454606,"difficulty":-989,"discrimination":0.004479398673070138,"irt_loglikelihood":-359.98595128624737,"irt_users":6007,"is_experimental":false},"abc260_b":{"slope":-0.0008745310868389642,"intercept":7.803255137471446,"variance":0.24238366938659478,"difficulty":112,"discrimination":0.004479398673070138,"irt_loglikelihood":-2239.6362932519514,"irt_users":6007,"is_experimental":false},"abc260_c":{"slope":-0.0008364995700508283,"intercept":7.687815893778423,"variance":0.3457216641440466,"difficulty":413,"discrimination":0.004479398673070138,"irt_loglikelihood":-3319.9340235303393,"irt_users":6812,"is_experimental":false},"abc260_d":{"slope":-0.0007578030961463881,"intercept":8.345656670144304,"variance":0.25894067374395713,"difficulty":1074,"discrimination":0.004479398673070138,"irt_loglikelihood":-2440.3594939748423,"irt_users":6812,"is_experimental":false},"abc260_e":{"slope":-0.0006136823087497913,"intercept":8.41862027554448,"variance":0.2562004929318306,"difficulty":1692,"discrimination":0.004479398673070138,"irt_loglikelihood":-1185.9762767272973,"irt_users":6812,"is_experimental":false},"abc260_f":{"slope":-0.0007211381295047764,"intercept":8.747808265060247,"variance":0.3079173521629265,"difficulty":1995,"discrimination":0.004479398673070138,"irt_loglikelihood":-799.5103707102361,"irt_users":6812,"is_experimental":false},"abc260_g":{"slope":-0.00034620252448932945,"intercept":8.239178828780377,"variance":0.3068138087578358,"difficulty":2339,"discrimination":0.004479398673070138,"irt_loglikelihood":-337.7445304856686,"irt_users":6812,"is_experimental":false},"abc260_h":{"slope":-0.00011144886527779038,"intercept":8.303837039859545,"variance":0.143768569538885,"difficulty":3339,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.514044270528665,"irt_users":6812,"is_experimental":false},"abc261_a":{"slope":-0.0010314375037914522,"intercept":7.083958728684773,"variance":0.7114409408066678,"difficulty":-423,"discrimination":0.004479398673070138,"irt_loglikelihood":-1166.0453537597348,"irt_users":6139,"is_experimental":false},"abc261_b":{"slope":-0.0009226729781591981,"intercept":7.07865901993143,"variance":0.36737503594113846,"difficulty":-275,"discrimination":0.004479398673070138,"irt_loglikelihood":-1280.3710168992702,"irt_users":6139,"is_experimental":false},"abc261_c":{"slope":-0.0008363786051905568,"intercept":6.6532475376234785,"variance":0.46698991948209656,"difficulty":79,"discrimination":0.004479398673070138,"irt_loglikelihood":-2793.9611800568173,"irt_users":7054,"is_experimental":false},"abc261_d":{"slope":-0.0009263977606769568,"intercept":8.132629897804843,"variance":0.3461836927481354,"difficulty":801,"discrimination":0.004479398673070138,"irt_loglikelihood":-2847.8641097199657,"irt_users":7054,"is_experimental":false},"abc261_e":{"slope":-0.0008659892845215663,"intercept":8.527862620652233,"variance":0.2832015116184029,"difficulty":1261,"discrimination":0.004479398673070138,"irt_loglikelihood":-1862.0327669547978,"irt_users":7054,"is_experimental":false},"abc261_f":{"slope":-0.0007100966243286652,"intercept":8.442557447974949,"variance":0.3097268324734214,"difficulty":1587,"discrimination":0.004479398673070138,"irt_loglikelihood":-1206.834531012263,"irt_users":7054,"is_experimental":false},"abc261_g":{"slope":-0.00026564570186312264,"intercept":8.56882524084944,"variance":0.18542027226856797,"difficulty":2803,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.92367093830755,"irt_users":7054,"is_experimental":false},"abc261_h":{"slope":-0.00015361679870625904,"intercept":7.954032030468788,"variance":0.2648947193782726,"difficulty":2531,"discrimination":0.004479398673070138,"irt_loglikelihood":-254.16166449388928,"irt_users":7054,"is_experimental":false},"arc145_a":{"slope":-0.0005354668460690256,"intercept":8.27070822324827,"variance":0.5296746448659118,"difficulty":596,"discrimination":0.004479398673070138,"irt_loglikelihood":-2414.380605245069,"irt_users":3425,"is_experimental":false},"arc145_b":{"slope":-0.0006223363585393358,"intercept":8.449550053871214,"variance":0.37423862291423465,"difficulty":767,"discrimination":0.004479398673070138,"irt_loglikelihood":-1789.0260161437088,"irt_users":3425,"is_experimental":false},"arc145_c":{"slope":-0.000715338096071846,"intercept":8.820179403198955,"variance":0.29997672336955344,"difficulty":1697,"discrimination":0.004479398673070138,"irt_loglikelihood":-966.5628909858959,"irt_users":3425,"is_experimental":false},"arc145_d":{"slope":-0.0003291401020737558,"intercept":8.608954858352565,"variance":0.23219375102723486,"difficulty":2297,"discrimination":0.004479398673070138,"irt_loglikelihood":-402.6056708259528,"irt_users":3425,"is_experimental":false},"arc145_e":{"difficulty":3581,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.882567596510889,"irt_users":3425,"is_experimental":false},"arc145_f":{"difficulty":3943,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.978200477924203,"irt_users":3425,"is_experimental":false},"abc262_a":{"slope":-0.0008500158000731282,"intercept":6.216987888031734,"variance":0.6768971342079207,"difficulty":-1190,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.07115797705197,"irt_users":5368,"is_experimental":false},"abc262_b":{"slope":-0.0011984480345913707,"intercept":7.299734688853681,"variance":0.5664429788376215,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-1735.194721788541,"irt_users":5368,"is_experimental":false},"abc262_c":{"slope":-0.0010592534222598792,"intercept":7.8561934514675125,"variance":0.46296862974532527,"difficulty":360,"discrimination":0.004479398673070138,"irt_loglikelihood":-2642.485265592152,"irt_users":6182,"is_experimental":false},"abc262_d":{"slope":-0.0011262802469457068,"intercept":8.82394189405277,"variance":0.4121093124878937,"difficulty":1213,"discrimination":0.004479398673070138,"irt_loglikelihood":-1598.87370852417,"irt_users":6182,"is_experimental":false},"abc262_e":{"slope":-0.0007665775963102844,"intercept":8.681262523079381,"variance":0.341210355748821,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-1094.1025801041321,"irt_users":6182,"is_experimental":false},"abc262_f":{"slope":-0.00038889512729873747,"intercept":8.859233987454251,"variance":0.14451880410875212,"difficulty":2334,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.5215683858936,"irt_users":6182,"is_experimental":false},"abc262_g":{"slope":-0.00015680239206743732,"intercept":8.102114226301923,"variance":0.28741918365533436,"difficulty":3114,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.312472184294,"irt_users":6182,"is_experimental":false},"abc262_h":{"difficulty":2957,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.91641271163854,"irt_users":6182,"is_experimental":false},"abc263_a":{"slope":-0.0009507720279304783,"intercept":6.789986893440988,"variance":0.6429719761880965,"difficulty":-679,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.6000270580519,"irt_users":5640,"is_experimental":false},"abc263_b":{"slope":-0.0011967923467323116,"intercept":7.130792174328736,"variance":0.5576598871508045,"difficulty":-32,"discrimination":0.004479398673070138,"irt_loglikelihood":-1475.653665040837,"irt_users":5640,"is_experimental":false},"abc263_c":{"slope":-0.0009730833143571178,"intercept":7.449675289816974,"variance":0.6147408297063094,"difficulty":282,"discrimination":0.004479398673070138,"irt_loglikelihood":-3059.9389109600493,"irt_users":6532,"is_experimental":false},"abc263_d":{"slope":-0.0009683445840483761,"intercept":8.555282287108172,"variance":0.4233650655037893,"difficulty":1016,"discrimination":0.004479398673070138,"irt_loglikelihood":-2531.366843616679,"irt_users":6532,"is_experimental":false},"abc263_e":{"slope":-0.0008455585254018948,"intercept":8.679554264961782,"variance":0.4064960298077502,"difficulty":1659,"discrimination":0.004479398673070138,"irt_loglikelihood":-1338.8748847676409,"irt_users":6532,"is_experimental":false},"abc263_f":{"slope":-0.0007009020503445924,"intercept":8.749952219100106,"variance":0.29433858910245037,"difficulty":2066,"discrimination":0.004479398673070138,"irt_loglikelihood":-648.941259087801,"irt_users":6532,"is_experimental":false},"abc263_g":{"slope":-0.000338251055017624,"intercept":8.40966855813705,"variance":0.32054970589725273,"difficulty":2261,"discrimination":0.004479398673070138,"irt_loglikelihood":-443.3273768665913,"irt_users":6532,"is_experimental":false},"abc263_h":{"slope":-0.0002644437160640184,"intercept":8.923314636436467,"variance":0.18122252324358934,"difficulty":3041,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.0641131777729,"irt_users":6532,"is_experimental":false},"abc264_a":{"slope":-0.0008529929823128582,"intercept":5.849439533444596,"variance":0.832530501684366,"difficulty":-1180,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.18423968523425,"irt_users":5678,"is_experimental":false},"abc264_b":{"slope":-0.0008859772699582696,"intercept":7.2788322927449,"variance":0.4236470029042139,"difficulty":-391,"discrimination":0.004479398673070138,"irt_loglikelihood":-1258.4273511961023,"irt_users":5678,"is_experimental":false},"abc264_c":{"slope":-0.001003291410460961,"intercept":8.251936924864003,"variance":0.29655825532179303,"difficulty":758,"discrimination":0.004479398673070138,"irt_loglikelihood":-2972.247724130897,"irt_users":6657,"is_experimental":false},"abc264_d":{"slope":-0.0011389317100789212,"intercept":7.797941014797202,"variance":0.5115840998316964,"difficulty":414,"discrimination":0.004479398673070138,"irt_loglikelihood":-3333.038443989604,"irt_users":6657,"is_experimental":false},"abc264_e":{"slope":-0.0008019699304001052,"intercept":8.487392824425118,"variance":0.2964203912839961,"difficulty":1229,"discrimination":0.004479398673070138,"irt_loglikelihood":-1711.9774262980952,"irt_users":6657,"is_experimental":false},"abc264_f":{"slope":-0.0006268731793332259,"intercept":8.68743386654121,"variance":0.2144294835487806,"difficulty":1878,"discrimination":0.004479398673070138,"irt_loglikelihood":-800.1571212351735,"irt_users":6657,"is_experimental":false},"abc264_g":{"slope":-0.00044543962177129304,"intercept":8.728566109145916,"variance":0.24371497445754728,"difficulty":2348,"discrimination":0.004479398673070138,"irt_loglikelihood":-289.01554046631526,"irt_users":6657,"is_experimental":false},"abc264_h":{"slope":-0.00034677702749555416,"intercept":8.515357259952063,"variance":0.20183089315297242,"difficulty":2660,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.33316128643423,"irt_users":6657,"is_experimental":false},"agc058_a":{"slope":-0.0007297871193640507,"intercept":8.808539160849358,"variance":0.5159559914312577,"difficulty":1134,"discrimination":0.004479398673070138,"irt_loglikelihood":-560.5234013095517,"irt_users":1252,"is_experimental":false},"agc058_b":{"slope":-0.000831097984797126,"intercept":9.692932996067588,"variance":0.6156495049668005,"difficulty":2053,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.3625858574301,"irt_users":1252,"is_experimental":false},"agc058_c":{"slope":-0.000433675971548874,"intercept":9.734049505894548,"variance":0.20454131428632097,"difficulty":2991,"discrimination":0.004479398673070138,"irt_loglikelihood":-159.9845846491932,"irt_users":1252,"is_experimental":false},"agc058_d":{"slope":-0.0007323073733812829,"intercept":10.396692468205856,"variance":0.21217148797884505,"difficulty":3159,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.67739269936789,"irt_users":1252,"is_experimental":false},"agc058_e":{"difficulty":3825,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.72069997942607,"irt_users":1252,"is_experimental":false},"agc058_f":{"is_experimental":false},"ahc013_a":{"difficulty":3520,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.896280481539505,"irt_users":736,"is_experimental":false},"ahc013_b":{"difficulty":3520,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.896280481539505,"irt_users":736,"is_experimental":false},"arc146_a":{"slope":-0.0006993286979174142,"intercept":7.907784941909356,"variance":0.4854927185278243,"difficulty":32,"discrimination":0.004479398673070138,"irt_loglikelihood":-758.947732384717,"irt_users":2730,"is_experimental":false},"arc146_b":{"slope":-0.0008373660772495922,"intercept":9.247743139439923,"variance":0.33379430891127837,"difficulty":1335,"discrimination":0.004479398673070138,"irt_loglikelihood":-777.2948709411978,"irt_users":2730,"is_experimental":false},"arc146_c":{"slope":-0.0005583544618216871,"intercept":9.141184550429754,"variance":0.25536621074201216,"difficulty":2428,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.57035861903464,"irt_users":2730,"is_experimental":false},"arc146_d":{"slope":-0.0008216984535456989,"intercept":9.808463111309825,"variance":0.23612199628175995,"difficulty":2663,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.3841420611105,"irt_users":2730,"is_experimental":false},"arc146_e":{"slope":-0.0003362270479830198,"intercept":8.832963291188515,"variance":0.10173483189251871,"difficulty":3131,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.70208889140352,"irt_users":2730,"is_experimental":false},"arc146_f":{"is_experimental":false},"abc265_a":{"slope":-0.0009093573219024717,"intercept":6.42593800418219,"variance":0.6264669352310214,"difficulty":-841,"discrimination":0.004479398673070138,"irt_loglikelihood":-422.4348027143001,"irt_users":5580,"is_experimental":false},"abc265_b":{"slope":-0.0008197832845415997,"intercept":7.56846768902103,"variance":0.4100443840071406,"difficulty":13,"discrimination":0.004479398673070138,"irt_loglikelihood":-1676.8828378323822,"irt_users":5580,"is_experimental":false},"abc265_c":{"slope":-0.0008837959243897547,"intercept":7.510145232926124,"variance":0.33032331876085963,"difficulty":146,"discrimination":0.004479398673070138,"irt_loglikelihood":-2485.2116104805377,"irt_users":6365,"is_experimental":false},"abc265_d":{"slope":-0.000911783583394656,"intercept":8.206451343643094,"variance":0.4321975946522185,"difficulty":727,"discrimination":0.004479398673070138,"irt_loglikelihood":-2520.778751666645,"irt_users":6365,"is_experimental":false},"abc265_e":{"slope":-0.0005493117495334429,"intercept":8.248391934993764,"variance":0.3850819271436199,"difficulty":1531,"discrimination":0.004479398673070138,"irt_loglikelihood":-1469.0213328944985,"irt_users":6365,"is_experimental":false},"abc265_f":{"slope":-0.00007310252125190894,"intercept":7.792199993506649,"variance":0.2653478958586304,"difficulty":2290,"discrimination":0.004479398673070138,"irt_loglikelihood":-487.157319994226,"irt_users":6365,"is_experimental":false},"abc265_g":{"slope":-0.0004128678556431438,"intercept":8.683857735830257,"variance":0.27732029360406846,"difficulty":2436,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.45158248613336,"irt_users":6365,"is_experimental":false},"abc265_h":{"difficulty":3319,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.313006703481726,"irt_users":6365,"is_experimental":false},"abc266_a":{"slope":-0.0009103482216493205,"intercept":5.6776197872860505,"variance":0.933987112413526,"difficulty":-1129,"discrimination":0.004479398673070138,"irt_loglikelihood":-261.0271553455926,"irt_users":5834,"is_experimental":false},"abc266_b":{"slope":-0.001128104597600622,"intercept":6.918452990227174,"variance":0.8810409715311085,"difficulty":-176,"discrimination":0.004479398673070138,"irt_loglikelihood":-1783.3271256323878,"irt_users":5834,"is_experimental":false},"abc266_c":{"slope":-0.0009028044332975327,"intercept":7.95314305703953,"variance":0.4834826140275893,"difficulty":516,"discrimination":0.004479398673070138,"irt_loglikelihood":-4201.584545424176,"irt_users":6803,"is_experimental":false},"abc266_d":{"slope":-0.0009728435261058378,"intercept":8.40356770649936,"variance":0.2971374924948811,"difficulty":840,"discrimination":0.004479398673070138,"irt_loglikelihood":-2450.300673477085,"irt_users":6803,"is_experimental":false},"abc266_e":{"slope":-0.0008793120215449564,"intercept":7.94252449583861,"variance":0.4176096233367789,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-2436.2691885531854,"irt_users":6803,"is_experimental":false},"abc266_f":{"slope":-0.0006802367573342664,"intercept":8.431130039235407,"variance":0.3140945471207908,"difficulty":1525,"discrimination":0.004479398673070138,"irt_loglikelihood":-1347.4575413376404,"irt_users":6803,"is_experimental":false},"abc266_g":{"slope":-0.0004012780935980552,"intercept":8.149710855377695,"variance":0.41969125979406413,"difficulty":2045,"discrimination":0.004479398673070138,"irt_loglikelihood":-617.4706246127512,"irt_users":6803,"is_experimental":false},"abc266_h":{"slope":-0.00015140965456918385,"intercept":8.184152664129218,"variance":0.23547899204754055,"difficulty":2865,"discrimination":0.004479398673070138,"irt_loglikelihood":-137.7185161952183,"irt_users":6803,"is_experimental":false},"abc267_a":{"slope":-0.0006538303206388515,"intercept":6.077406998395694,"variance":0.6247717440456173,"difficulty":-984,"discrimination":0.004479398673070138,"irt_loglikelihood":-385.356550654761,"irt_users":6159,"is_experimental":false},"abc267_b":{"slope":-0.000848930696779346,"intercept":7.828657015046023,"variance":0.2600431187663219,"difficulty":61,"discrimination":0.004479398673070138,"irt_loglikelihood":-2212.796962587785,"irt_users":6159,"is_experimental":false},"abc267_c":{"slope":-0.0010349717996585987,"intercept":8.039281856733025,"variance":0.3897693095725755,"difficulty":524,"discrimination":0.004479398673070138,"irt_loglikelihood":-3027.134863636113,"irt_users":7205,"is_experimental":false},"abc267_d":{"slope":-0.0012096262613779062,"intercept":8.287434366606647,"variance":0.545695728656229,"difficulty":864,"discrimination":0.004479398673070138,"irt_loglikelihood":-2583.934867172532,"irt_users":7205,"is_experimental":false},"abc267_e":{"slope":-0.0006170668293520829,"intercept":8.209438705034806,"variance":0.3517045503099369,"difficulty":1313,"discrimination":0.004479398673070138,"irt_loglikelihood":-1830.811263995511,"irt_users":7205,"is_experimental":false},"abc267_f":{"slope":-0.0007283340748490862,"intercept":8.793759945227198,"variance":0.3499812693196144,"difficulty":1939,"discrimination":0.004479398673070138,"irt_loglikelihood":-843.7601769303049,"irt_users":7205,"is_experimental":false},"abc267_g":{"slope":-0.00017365794873674918,"intercept":7.895427242848817,"variance":0.263936537099845,"difficulty":2561,"discrimination":0.004479398673070138,"irt_loglikelihood":-230.6926478498205,"irt_users":7205,"is_experimental":false},"abc267_h":{"slope":-0.0007164585441859991,"intercept":8.946436936185147,"variance":0.33580706256850884,"difficulty":2422,"discrimination":0.004479398673070138,"irt_loglikelihood":-260.8383929941527,"irt_users":7205,"is_experimental":false},"arc147_a":{"slope":-0.000867825902903098,"intercept":7.925371186068728,"variance":0.5640481348601052,"difficulty":347,"discrimination":0.004479398673070138,"irt_loglikelihood":-956.2066887096317,"irt_users":2634,"is_experimental":false},"arc147_b":{"slope":-0.0007988898763676415,"intercept":9.046667516211018,"variance":0.3092325757596677,"difficulty":1167,"discrimination":0.004479398673070138,"irt_loglikelihood":-1192.2774029674772,"irt_users":2634,"is_experimental":false},"arc147_c":{"slope":-0.00043248756092689007,"intercept":8.543129943134995,"variance":0.2832095221126903,"difficulty":1704,"discrimination":0.004479398673070138,"irt_loglikelihood":-803.932045020617,"irt_users":2634,"is_experimental":false},"arc147_d":{"slope":-0.00026746972628904745,"intercept":7.911515544890347,"variance":0.3179050348546776,"difficulty":2145,"discrimination":0.004479398673070138,"irt_loglikelihood":-479.25264986244395,"irt_users":2634,"is_experimental":false},"arc147_e":{"slope":-0.00015778452792624905,"intercept":7.979565569087203,"variance":0.25960606277552484,"difficulty":2553,"discrimination":0.004479398673070138,"irt_loglikelihood":-258.84596708208556,"irt_users":2634,"is_experimental":false},"arc147_f":{"difficulty":4016,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.518993656106483,"irt_users":2634,"is_experimental":false},"abc268_a":{"slope":-0.0010067822463253257,"intercept":5.908839195924114,"variance":1.0385813092983178,"difficulty":-876,"discrimination":0.004479398673070138,"irt_loglikelihood":-396.78642490199184,"irt_users":5575,"is_experimental":false},"abc268_b":{"slope":-0.000856007761670535,"intercept":5.98410306108755,"variance":0.4377939278968786,"difficulty":-696,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.2939556707612,"irt_users":5575,"is_experimental":false},"abc268_c":{"slope":-0.0011452931639091071,"intercept":8.298487329286917,"variance":0.4467986025189738,"difficulty":676,"discrimination":0.004479398673070138,"irt_loglikelihood":-3130.4409878416914,"irt_users":6433,"is_experimental":false},"abc268_d":{"slope":-0.0006338768467985286,"intercept":8.815911877325274,"variance":0.2539667083443144,"difficulty":1309,"discrimination":0.004479398673070138,"irt_loglikelihood":-2156.198018135985,"irt_users":6433,"is_experimental":false},"abc268_e":{"slope":-0.000676851325769525,"intercept":8.937113930164191,"variance":0.25936971228158184,"difficulty":1927,"discrimination":0.004479398673070138,"irt_loglikelihood":-814.9587220124575,"irt_users":6433,"is_experimental":false},"abc268_f":{"slope":-0.0008192504305213941,"intercept":8.648487833084562,"variance":0.3986224874716004,"difficulty":1807,"discrimination":0.004479398673070138,"irt_loglikelihood":-932.3003758549473,"irt_users":6433,"is_experimental":false},"abc268_g":{"slope":-0.0005601769081609492,"intercept":8.42997594960459,"variance":0.321100778882168,"difficulty":2311,"discrimination":0.004479398673070138,"irt_loglikelihood":-306.7975970323518,"irt_users":6433,"is_experimental":false},"abc268_h":{"slope":-0.0004451996344138534,"intercept":8.087996236025747,"variance":0.55432240530893,"difficulty":2560,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.9655886579018,"irt_users":6433,"is_experimental":false},"arc148_a":{"slope":-0.000989605537219469,"intercept":8.52930897450815,"variance":0.622912264158728,"difficulty":656,"discrimination":0.004479398673070138,"irt_loglikelihood":-1153.587821354314,"irt_users":2511,"is_experimental":false},"arc148_b":{"slope":-0.0008612352718407251,"intercept":8.65397187178733,"variance":0.4188746338877836,"difficulty":975,"discrimination":0.004479398673070138,"irt_loglikelihood":-1281.149709527988,"irt_users":2511,"is_experimental":false},"arc148_c":{"slope":-0.0008112509451206686,"intercept":8.79474778537299,"variance":0.3298956719955884,"difficulty":1488,"discrimination":0.004479398673070138,"irt_loglikelihood":-925.0166221760187,"irt_users":2511,"is_experimental":false},"arc148_d":{"slope":-0.0003848527337574681,"intercept":8.638035225090864,"variance":0.2451108551860473,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-657.970916662017,"irt_users":2511,"is_experimental":false},"arc148_e":{"slope":-0.00038145351813916235,"intercept":8.6462579779363,"variance":0.3512407133705826,"difficulty":2785,"discrimination":0.004479398673070138,"irt_loglikelihood":-178.94977854324594,"irt_users":2511,"is_experimental":false},"arc148_f":{"slope":-0.0008342523976806541,"intercept":10.902482075008926,"variance":0.05373739587443572,"difficulty":3621,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.941043228320595,"irt_users":2511,"is_experimental":false},"abc269_a":{"slope":-0.0007082484012499573,"intercept":5.560991637817466,"variance":0.8729477420003722,"difficulty":-1162,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.9579106159045,"irt_users":5404,"is_experimental":false},"abc269_b":{"slope":-0.0009737911919262083,"intercept":7.2086042379392925,"variance":0.36310632792925046,"difficulty":-308,"discrimination":0.004479398673070138,"irt_loglikelihood":-1101.044927789331,"irt_users":5404,"is_experimental":false},"abc269_c":{"slope":-0.0013324024319726936,"intercept":8.011921471157565,"variance":0.371537867216051,"difficulty":384,"discrimination":0.004479398673070138,"irt_loglikelihood":-2473.264070509052,"irt_users":6313,"is_experimental":false},"abc269_d":{"slope":-0.0008842310546765153,"intercept":7.796699728662062,"variance":0.3265058467201406,"difficulty":612,"discrimination":0.004479398673070138,"irt_loglikelihood":-2454.0646406471215,"irt_users":6313,"is_experimental":false},"abc269_e":{"slope":-0.0007700475597442833,"intercept":8.272496877885207,"variance":0.3623039980458878,"difficulty":1030,"discrimination":0.004479398673070138,"irt_loglikelihood":-1880.3812197343575,"irt_users":6313,"is_experimental":false},"abc269_f":{"slope":-0.00047992084023032455,"intercept":8.429931406691164,"variance":0.15227324069988224,"difficulty":1601,"discrimination":0.004479398673070138,"irt_loglikelihood":-1154.8177282414722,"irt_users":6313,"is_experimental":false},"abc269_g":{"slope":-0.00033856120461954367,"intercept":8.404630890405262,"variance":0.3029855711339017,"difficulty":2440,"discrimination":0.004479398673070138,"irt_loglikelihood":-274.0528877806328,"irt_users":6313,"is_experimental":false},"abc269_h":{"difficulty":3178,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.880724034081226,"irt_users":6313,"is_experimental":false},"abc270_a":{"slope":-0.0012675749849951664,"intercept":7.037093158801084,"variance":0.691242467702997,"difficulty":-473,"discrimination":0.004479398673070138,"irt_loglikelihood":-939.6514017099139,"irt_users":5664,"is_experimental":false},"abc270_b":{"slope":-0.0008577438185556508,"intercept":7.469221395135061,"variance":0.39023387372861257,"difficulty":-131,"discrimination":0.004479398673070138,"irt_loglikelihood":-1774.7910614748496,"irt_users":5664,"is_experimental":false},"abc270_c":{"slope":-0.0010142070773902726,"intercept":7.74060290231253,"variance":0.5109389362617748,"difficulty":625,"discrimination":0.004479398673070138,"irt_loglikelihood":-2969.135388706531,"irt_users":6569,"is_experimental":false},"abc270_d":{"slope":-0.0009159277322037435,"intercept":8.40579129520578,"variance":0.4441461916231412,"difficulty":1300,"discrimination":0.004479398673070138,"irt_loglikelihood":-1917.4487783245243,"irt_users":6569,"is_experimental":false},"abc270_e":{"slope":-0.0009547209405702705,"intercept":8.73772820920361,"variance":0.41414525264629737,"difficulty":1211,"discrimination":0.004479398673070138,"irt_loglikelihood":-1925.9862584388734,"irt_users":6569,"is_experimental":false},"abc270_f":{"slope":-0.0006278332104331975,"intercept":8.325808997694773,"variance":0.26624176494965124,"difficulty":1834,"discrimination":0.004479398673070138,"irt_loglikelihood":-879.5119842983063,"irt_users":6569,"is_experimental":false},"abc270_g":{"slope":-0.00018904373616123572,"intercept":8.108229018558278,"variance":0.3056970275279223,"difficulty":2220,"discrimination":0.004479398673070138,"irt_loglikelihood":-522.063263281628,"irt_users":6569,"is_experimental":false},"abc270_h":{"slope":-0.001098053578403469,"intercept":10.874177392272529,"variance":0.09473807379424509,"difficulty":3159,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.01813138508483,"irt_users":6569,"is_experimental":false},"abc271_a":{"slope":-0.0009399994350767071,"intercept":6.814544056294602,"variance":0.5708621041525981,"difficulty":-662,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.7976883778931,"irt_users":5634,"is_experimental":false},"abc271_b":{"slope":-0.0010092433620899532,"intercept":6.6923482634808185,"variance":0.4364281206491323,"difficulty":-166,"discrimination":0.004479398673070138,"irt_loglikelihood":-1426.9360881793991,"irt_users":5634,"is_experimental":false},"abc271_c":{"slope":-0.0008969966160066947,"intercept":8.470017471031738,"variance":0.4057579792821033,"difficulty":842,"discrimination":0.004479398673070138,"irt_loglikelihood":-3199.807400960951,"irt_users":6540,"is_experimental":false},"abc271_d":{"slope":-0.0009355894580674922,"intercept":8.434571477817947,"variance":0.40771842768865535,"difficulty":886,"discrimination":0.004479398673070138,"irt_loglikelihood":-2520.744410665193,"irt_users":6540,"is_experimental":false},"abc271_e":{"slope":-0.0006844520032508202,"intercept":7.9452317830281,"variance":0.4616586487467301,"difficulty":1402,"discrimination":0.004479398673070138,"irt_loglikelihood":-1669.6636222011794,"irt_users":6540,"is_experimental":false},"abc271_f":{"slope":-0.0007085804633713148,"intercept":8.40145317479293,"variance":0.3919710350655405,"difficulty":1669,"discrimination":0.004479398673070138,"irt_loglikelihood":-1142.5260452505704,"irt_users":6540,"is_experimental":false},"abc271_g":{"slope":-0.0005282167371200757,"intercept":8.669919995902625,"variance":0.21204797467167907,"difficulty":2323,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.3231162477121,"irt_users":6540,"is_experimental":false},"abc271_h":{"slope":-0.0005935283167958409,"intercept":9.467167437913723,"variance":0.17450342978503883,"difficulty":2908,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.5558291661425,"irt_users":6540,"is_experimental":false},"ahc014_a":{"difficulty":3540,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.142684008215672,"irt_users":645,"is_experimental":false},"ahc014_b":{"difficulty":3540,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.142684008215672,"irt_users":645,"is_experimental":false},"arc149_a":{"slope":-0.0010073538488923604,"intercept":8.338694075909974,"variance":0.5646583404023799,"difficulty":878,"discrimination":0.004479398673070138,"irt_loglikelihood":-1208.7964391334713,"irt_users":2346,"is_experimental":false},"arc149_b":{"slope":-0.0008420919378352894,"intercept":8.22342679896343,"variance":0.49753912296990116,"difficulty":983,"discrimination":0.004479398673070138,"irt_loglikelihood":-1015.1170763936942,"irt_users":2346,"is_experimental":false},"arc149_c":{"slope":-0.00046792060533681256,"intercept":8.768355854483554,"variance":0.174749330037971,"difficulty":1415,"discrimination":0.004479398673070138,"irt_loglikelihood":-985.43022960784,"irt_users":2346,"is_experimental":false},"arc149_d":{"slope":-0.00010628350660964578,"intercept":8.469865439359788,"variance":0.10758536551686829,"difficulty":2991,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.36437914431536,"irt_users":2346,"is_experimental":false},"arc149_e":{"slope":-0.0006117846862082983,"intercept":9.939845944905471,"variance":0.06222050115965968,"difficulty":3188,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.08067151971956,"irt_users":2346,"is_experimental":false},"arc149_f":{"slope":-0.0007844515787027416,"intercept":11.128459264918,"variance":0.02385990471231756,"difficulty":3583,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.04705801348693,"irt_users":2346,"is_experimental":false},"abc272_a":{"slope":-0.0008100126865680349,"intercept":5.436254359278205,"variance":1.0897109526242437,"difficulty":-1186,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.177017681497,"irt_users":5393,"is_experimental":false},"abc272_b":{"slope":-0.0011031045968239023,"intercept":7.402858145340003,"variance":0.33230835011233023,"difficulty":-24,"discrimination":0.004479398673070138,"irt_loglikelihood":-1460.8066420662474,"irt_users":5393,"is_experimental":false},"abc272_c":{"slope":-0.0011128029751275997,"intercept":7.37208580037196,"variance":0.5214232845363715,"difficulty":51,"discrimination":0.004479398673070138,"irt_loglikelihood":-2628.393832842317,"irt_users":6291,"is_experimental":false},"abc272_d":{"slope":-0.0009383084965310334,"intercept":8.48457034223461,"variance":0.284390526904274,"difficulty":804,"discrimination":0.004479398673070138,"irt_loglikelihood":-2523.2751386059795,"irt_users":6291,"is_experimental":false},"abc272_e":{"slope":-0.0007392171382746766,"intercept":8.726406565410235,"variance":0.31281218260279264,"difficulty":1434,"discrimination":0.004479398673070138,"irt_loglikelihood":-1448.334452233657,"irt_users":6291,"is_experimental":false},"abc272_f":{"slope":-0.0008536956717119519,"intercept":9.283817149758784,"variance":0.2558916249300587,"difficulty":2238,"discrimination":0.004479398673070138,"irt_loglikelihood":-451.7276676471508,"irt_users":6291,"is_experimental":false},"abc272_g":{"slope":-0.0005266375545772079,"intercept":8.830085634395488,"variance":0.416452343932225,"difficulty":2187,"discrimination":0.004479398673070138,"irt_loglikelihood":-461.9704143273373,"irt_users":6291,"is_experimental":false},"abc272_h":{"difficulty":3740,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.51062101956014,"irt_users":6291,"is_experimental":false},"arc150_a":{"slope":-0.0009222491422648045,"intercept":8.853873907124512,"variance":0.7282850030352143,"difficulty":952,"discrimination":0.004479398673070138,"irt_loglikelihood":-1396.4434131827659,"irt_users":2453,"is_experimental":false},"arc150_b":{"slope":-0.0007479205618729493,"intercept":8.999400016969222,"variance":0.39430670625226416,"difficulty":1466,"discrimination":0.004479398673070138,"irt_loglikelihood":-1055.5729818524053,"irt_users":2453,"is_experimental":false},"arc150_c":{"slope":-0.0006149377995081825,"intercept":8.554463260329094,"variance":0.3748202171734402,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-783.330170161737,"irt_users":2453,"is_experimental":false},"arc150_d":{"slope":-0.00024359323965473772,"intercept":8.107069661544532,"variance":0.31911705483885383,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-391.2476102784842,"irt_users":2453,"is_experimental":false},"arc150_e":{"slope":-0.00027795506055354024,"intercept":8.864058319987459,"variance":0.14585258841526236,"difficulty":3466,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.363443881492575,"irt_users":2453,"is_experimental":false},"arc150_f":{"difficulty":3432,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.717667944644248,"irt_users":2453,"is_experimental":false},"abc273_a":{"slope":-0.0009492827559232619,"intercept":6.014662555553923,"variance":0.7970563741380241,"difficulty":-1038,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.32375596502607,"irt_users":5470,"is_experimental":false},"abc273_b":{"slope":-0.0009737236426441074,"intercept":7.5318230665129855,"variance":0.4520005644317056,"difficulty":77,"discrimination":0.004479398673070138,"irt_loglikelihood":-2200.2150348758396,"irt_users":5470,"is_experimental":false},"abc273_c":{"slope":-0.0010344393194180546,"intercept":7.875580870327027,"variance":0.32816283122880463,"difficulty":369,"discrimination":0.004479398673070138,"irt_loglikelihood":-2643.508633182343,"irt_users":6349,"is_experimental":false},"abc273_d":{"slope":-0.0006558176053898636,"intercept":8.486168936289603,"variance":0.23557558208714793,"difficulty":1119,"discrimination":0.004479398673070138,"irt_loglikelihood":-1993.3118064710254,"irt_users":6349,"is_experimental":false},"abc273_e":{"slope":-0.0005104998305469552,"intercept":8.146399215830622,"variance":0.33479901499347664,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-1218.7138035410724,"irt_users":6349,"is_experimental":false},"abc273_f":{"slope":-0.0004130968292407557,"intercept":8.40316456355055,"variance":0.20286884954401452,"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-440.7377169996819,"irt_users":6349,"is_experimental":false},"abc273_g":{"slope":-0.00035318768452505993,"intercept":8.409299233035828,"variance":0.3282135268782724,"difficulty":2521,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.6210945010906,"irt_users":6349,"is_experimental":false},"abc273_h":{"difficulty":3598,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.558269871303654,"irt_users":6349,"is_experimental":false},"arc151_a":{"slope":-0.0008841805817630954,"intercept":8.253985238251916,"variance":0.45250308760672014,"difficulty":355,"discrimination":0.004479398673070138,"irt_loglikelihood":-969.2751533679664,"irt_users":2418,"is_experimental":false},"arc151_b":{"slope":-0.0010159355126625963,"intercept":8.896991447664577,"variance":0.43198040884754385,"difficulty":1333,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.3269605040977,"irt_users":2418,"is_experimental":false},"arc151_c":{"slope":-0.000605963432948086,"intercept":9.013861150405523,"variance":0.30102843301620213,"difficulty":1940,"discrimination":0.004479398673070138,"irt_loglikelihood":-648.9433841520431,"irt_users":2418,"is_experimental":false},"arc151_d":{"slope":-0.0005901331495033144,"intercept":8.77721335441232,"variance":0.27405658447896664,"difficulty":2282,"discrimination":0.004479398673070138,"irt_loglikelihood":-407.4868475275846,"irt_users":2418,"is_experimental":false},"arc151_e":{"slope":-0.00028226484977358397,"intercept":8.744449893724086,"variance":0.17785179464524958,"difficulty":2713,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.4673290612141,"irt_users":2418,"is_experimental":false},"arc151_f":{"difficulty":3744,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.908187217853941,"irt_users":2418,"is_experimental":false},"abc274_a":{"slope":-0.0007045964704063635,"intercept":6.488754804719804,"variance":0.7896976096391096,"difficulty":-738,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.96242206913337,"irt_users":5470,"is_experimental":false},"abc274_b":{"slope":-0.0009793738251112256,"intercept":6.509223935866443,"variance":0.36674414871030847,"difficulty":-449,"discrimination":0.004479398673070138,"irt_loglikelihood":-715.5619411923373,"irt_users":5470,"is_experimental":false},"abc274_c":{"slope":-0.0010268076945370282,"intercept":7.747540212481645,"variance":0.3666391938772774,"difficulty":304,"discrimination":0.004479398673070138,"irt_loglikelihood":-2876.958815068657,"irt_users":6450,"is_experimental":false},"abc274_d":{"slope":-0.0009554773769241226,"intercept":8.607869919032128,"variance":0.27678279014157936,"difficulty":916,"discrimination":0.004479398673070138,"irt_loglikelihood":-2320.314003716778,"irt_users":6450,"is_experimental":false},"abc274_e":{"slope":-0.0007069459128471126,"intercept":8.720841276229573,"variance":0.22251472850228898,"difficulty":1520,"discrimination":0.004479398673070138,"irt_loglikelihood":-1234.249433617792,"irt_users":6450,"is_experimental":false},"abc274_f":{"slope":-0.0005212706690227718,"intercept":8.681218730692697,"variance":0.22831412817267716,"difficulty":2212,"discrimination":0.004479398673070138,"irt_loglikelihood":-474.49451553818795,"irt_users":6450,"is_experimental":false},"abc274_g":{"slope":-0.00034918566098715527,"intercept":7.998257435792892,"variance":0.3792746629144371,"difficulty":2340,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.25789622209,"irt_users":6450,"is_experimental":false},"abc274_h":{"slope":-0.00107040003222271,"intercept":10.787273680452838,"variance":0.6048353276028463,"difficulty":3191,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.48253945244292,"irt_users":6450,"is_experimental":false},"abc275_a":{"slope":-0.0009329546770979363,"intercept":6.094283948005921,"variance":0.7705616483770897,"difficulty":-929,"discrimination":0.004479398673070138,"irt_loglikelihood":-361.1675967275011,"irt_users":5194,"is_experimental":false},"abc275_b":{"slope":-0.0008732795398072934,"intercept":6.58822353432243,"variance":1.0931092915092535,"difficulty":-1,"discrimination":0.004479398673070138,"irt_loglikelihood":-1971.915645717929,"irt_users":5194,"is_experimental":false},"abc275_c":{"slope":-0.0007733119994956813,"intercept":8.244076376750368,"variance":0.2661251047962647,"difficulty":760,"discrimination":0.004479398673070138,"irt_loglikelihood":-2928.6099875056043,"irt_users":6002,"is_experimental":false},"abc275_d":{"slope":-0.000980727075223678,"intercept":7.796129836015,"variance":0.7400952099711599,"difficulty":606,"discrimination":0.004479398673070138,"irt_loglikelihood":-2671.4804130838434,"irt_users":6002,"is_experimental":false},"abc275_e":{"slope":-0.001131517876289721,"intercept":8.757363738193527,"variance":0.3259999203610315,"difficulty":1264,"discrimination":0.004479398673070138,"irt_loglikelihood":-1283.7861699904518,"irt_users":6002,"is_experimental":false},"abc275_f":{"slope":-0.0008647049878337012,"intercept":8.53651413484799,"variance":0.3302403744423262,"difficulty":1608,"discrimination":0.004479398673070138,"irt_loglikelihood":-880.5481859032487,"irt_users":6002,"is_experimental":false},"abc275_g":{"slope":-0.00024332431717697902,"intercept":8.417571981636604,"variance":0.1444598364676012,"difficulty":2522,"discrimination":0.004479398673070138,"irt_loglikelihood":-167.60940087873,"irt_users":6002,"is_experimental":false},"abc275_h":{"slope":-0.0002744527368304126,"intercept":8.634488900386934,"variance":0.16551897341842925,"difficulty":3210,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.056525311182817,"irt_users":6002,"is_experimental":false},"ahc015_a":{"difficulty":3674,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.901146951164589,"irt_users":645,"is_experimental":false},"abc276_a":{"slope":-0.0009271922898757814,"intercept":6.084731598084722,"variance":0.7681267132520023,"difficulty":-974,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.5994423596253,"irt_users":5711,"is_experimental":false},"abc276_b":{"slope":-0.0010892234491085508,"intercept":7.008497214940038,"variance":0.4739029440874473,"difficulty":-11,"discrimination":0.004479398673070138,"irt_loglikelihood":-1679.8285969425524,"irt_users":5711,"is_experimental":false},"abc276_c":{"slope":-0.0009467671242129085,"intercept":7.5370501837855715,"variance":0.91998851254795,"difficulty":389,"discrimination":0.004479398673070138,"irt_loglikelihood":-3394.137789465301,"irt_users":6648,"is_experimental":false},"abc276_d":{"slope":-0.0009996396072180038,"intercept":7.9231915597061535,"variance":0.5238753709048506,"difficulty":645,"discrimination":0.004479398673070138,"irt_loglikelihood":-2756.699781998403,"irt_users":6648,"is_experimental":false},"abc276_e":{"slope":-0.0006973398223047325,"intercept":8.287815499559702,"variance":0.2561412037288865,"difficulty":1058,"discrimination":0.004479398673070138,"irt_loglikelihood":-2212.1478605653806,"irt_users":6648,"is_experimental":false},"abc276_f":{"slope":-0.0006372105172689204,"intercept":8.482969993444474,"variance":0.23969571474263737,"difficulty":1562,"discrimination":0.004479398673070138,"irt_loglikelihood":-1145.194072153634,"irt_users":6648,"is_experimental":false},"abc276_g":{"slope":-0.0004860645946414671,"intercept":8.359164309758576,"variance":0.38368770481774267,"difficulty":2278,"discrimination":0.004479398673070138,"irt_loglikelihood":-334.45967031605335,"irt_users":6648,"is_experimental":false},"abc276_h":{"difficulty":3087,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.316629720954616,"irt_users":6648,"is_experimental":false},"abc277_a":{"slope":-0.0008558006580538912,"intercept":5.900701485128893,"variance":0.7885547090942101,"difficulty":-1045,"discrimination":0.004479398673070138,"irt_loglikelihood":-225.7709169800369,"irt_users":5674,"is_experimental":false},"abc277_b":{"slope":-0.0008245597137431352,"intercept":6.997680381690477,"variance":0.36616092264473765,"difficulty":-362,"discrimination":0.004479398673070138,"irt_loglikelihood":-1037.6260835074875,"irt_users":5674,"is_experimental":false},"abc277_c":{"slope":-0.0010462584374096907,"intercept":7.880321434840265,"variance":0.501486111438063,"difficulty":540,"discrimination":0.004479398673070138,"irt_loglikelihood":-2841.0058513179492,"irt_users":6645,"is_experimental":false},"abc277_d":{"slope":-0.0007810020466535391,"intercept":8.387538628747011,"variance":0.3134929883402285,"difficulty":873,"discrimination":0.004479398673070138,"irt_loglikelihood":-2703.906137207766,"irt_users":6645,"is_experimental":false},"abc277_e":{"slope":-0.0008023023841247258,"intercept":8.336707385276446,"variance":0.3127333011926062,"difficulty":1183,"discrimination":0.004479398673070138,"irt_loglikelihood":-1801.936376363056,"irt_users":6645,"is_experimental":false},"abc277_f":{"slope":-0.00040261890406290834,"intercept":8.731544385533855,"variance":0.26550622256424067,"difficulty":2400,"discrimination":0.004479398673070138,"irt_loglikelihood":-341.3315970137899,"irt_users":6645,"is_experimental":false},"abc277_g":{"slope":-0.0005852567618454499,"intercept":8.847478229361535,"variance":0.3133009682489127,"difficulty":2491,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.542244461389,"irt_users":6645,"is_experimental":false},"abc277_h":{"slope":-0.00037735369432732397,"intercept":8.476968120051609,"variance":0.4477209447644692,"difficulty":2917,"discrimination":0.004479398673070138,"irt_loglikelihood":-106.72655818921884,"irt_users":6645,"is_experimental":false},"abc278_a":{"slope":-0.0008677425117897354,"intercept":6.493172496535309,"variance":0.6816479891918688,"difficulty":-872,"discrimination":0.004479398673070138,"irt_loglikelihood":-454.96749994628357,"irt_users":5679,"is_experimental":false},"abc278_b":{"slope":-0.0008402065324596513,"intercept":7.5054794152837205,"variance":0.3397002945018116,"difficulty":-72,"discrimination":0.004479398673070138,"irt_loglikelihood":-2025.5221111565936,"irt_users":5679,"is_experimental":false},"abc278_c":{"slope":-0.0009083299006224977,"intercept":7.336062720103777,"variance":0.5043377783052142,"difficulty":320,"discrimination":0.004479398673070138,"irt_loglikelihood":-2901.93640777371,"irt_users":6578,"is_experimental":false},"abc278_d":{"slope":-0.0007774637781920334,"intercept":7.752213202847369,"variance":0.35823164017664244,"difficulty":559,"discrimination":0.004479398673070138,"irt_loglikelihood":-2734.9184243813083,"irt_users":6578,"is_experimental":false},"abc278_e":{"slope":-0.0005569659107321773,"intercept":8.013148720377503,"variance":0.24502787447418364,"difficulty":996,"discrimination":0.004479398673070138,"irt_loglikelihood":-2210.4455355568093,"irt_users":6578,"is_experimental":false},"abc278_f":{"slope":-0.0006297470288508147,"intercept":8.094667364323763,"variance":0.3108760055052144,"difficulty":1452,"discrimination":0.004479398673070138,"irt_loglikelihood":-1351.844583978453,"irt_users":6578,"is_experimental":false},"abc278_g":{"slope":-0.00023734330962211838,"intercept":8.54933113351943,"variance":0.15635345505007653,"difficulty":2533,"discrimination":0.004479398673070138,"irt_loglikelihood":-171.94603531213153,"irt_users":6578,"is_experimental":false},"abc278_h":{"difficulty":3768,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.891053047446854,"irt_users":6578,"is_experimental":false},"arc152_a":{"slope":-0.0008278212923214078,"intercept":8.065793378526179,"variance":0.5317247719367246,"difficulty":269,"discrimination":0.004479398673070138,"irt_loglikelihood":-905.6975943670152,"irt_users":2291,"is_experimental":false},"arc152_b":{"slope":-0.0006352743053682702,"intercept":8.789478320220267,"variance":0.35295602305031654,"difficulty":1628,"discrimination":0.004479398673070138,"irt_loglikelihood":-1279.8053543136007,"irt_users":2291,"is_experimental":false},"arc152_c":{"slope":-0.0004961940071799265,"intercept":8.78746403622695,"variance":0.40508954654202994,"difficulty":2081,"discrimination":0.004479398673070138,"irt_loglikelihood":-610.1581497652362,"irt_users":2291,"is_experimental":false},"arc152_d":{"slope":-0.00046119557246388404,"intercept":9.035476303101618,"variance":0.19762400323917337,"difficulty":2381,"discrimination":0.004479398673070138,"irt_loglikelihood":-327.63600449582395,"irt_users":2291,"is_experimental":false},"arc152_e":{"slope":-0.00020355620143704383,"intercept":8.036244268807481,"variance":0.2603173011620936,"difficulty":2990,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.80674750819851,"irt_users":2291,"is_experimental":false},"arc152_f":{"slope":-0.00021589872996896905,"intercept":8.943905908597438,"variance":0.06948310449426957,"difficulty":3664,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.68487470115843,"irt_users":2291,"is_experimental":false},"ahc016_a":{"difficulty":3670,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.889496864419056,"irt_users":905,"is_experimental":false},"ahc016_b":{"difficulty":3670,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.889496864419056,"irt_users":905,"is_experimental":false},"abc279_a":{"slope":-0.0008500581703145242,"intercept":5.754673306539764,"variance":0.8739719944701175,"difficulty":-1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.91125184537694,"irt_users":5252,"is_experimental":false},"abc279_b":{"slope":-0.0008476112994685534,"intercept":6.282136078128859,"variance":0.6816150007916831,"difficulty":-533,"discrimination":0.004479398673070138,"irt_loglikelihood":-767.430932423493,"irt_users":5252,"is_experimental":false},"abc279_c":{"slope":-0.0009585423029210536,"intercept":7.5094371183762565,"variance":0.5018789282664803,"difficulty":246,"discrimination":0.004479398673070138,"irt_loglikelihood":-3006.673337812,"irt_users":6146,"is_experimental":false},"abc279_d":{"slope":-0.00076156096682427,"intercept":8.206378459756948,"variance":0.3449751360996197,"difficulty":766,"discrimination":0.004479398673070138,"irt_loglikelihood":-2778.1034326702097,"irt_users":6146,"is_experimental":false},"abc279_e":{"slope":-0.0007158410266131718,"intercept":8.490353730439146,"variance":0.30097912888176176,"difficulty":1390,"discrimination":0.004479398673070138,"irt_loglikelihood":-1420.7047082706292,"irt_users":6146,"is_experimental":false},"abc279_f":{"slope":-0.0004554873193636963,"intercept":8.351174091960367,"variance":0.24267526439796241,"difficulty":1777,"discrimination":0.004479398673070138,"irt_loglikelihood":-859.4221540429138,"irt_users":6146,"is_experimental":false},"abc279_g":{"slope":-0.0004461703472847067,"intercept":8.438728545660373,"variance":0.21961015381596105,"difficulty":2431,"discrimination":0.004479398673070138,"irt_loglikelihood":-207.800098873233,"irt_users":6146,"is_experimental":false},"abc279_h":{"slope":-0.0007228034764251132,"intercept":9.440662542266065,"variance":0.3013595736258271,"difficulty":3279,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.588028808359915,"irt_users":6146,"is_experimental":false},"abc280_a":{"slope":-0.0009066495466642171,"intercept":6.02234895805819,"variance":0.7281296983424709,"difficulty":-1011,"discrimination":0.004479398673070138,"irt_loglikelihood":-344.902749104951,"irt_users":5737,"is_experimental":false},"abc280_b":{"slope":-0.000895440880201085,"intercept":6.213185658587615,"variance":0.3717885738233648,"difficulty":-769,"discrimination":0.004479398673070138,"irt_loglikelihood":-566.4417158291241,"irt_users":5737,"is_experimental":false},"abc280_c":{"slope":-0.0007289088074954178,"intercept":6.500830985015732,"variance":0.7231385899412481,"difficulty":-333,"discrimination":0.004479398673070138,"irt_loglikelihood":-2135.5820700954982,"irt_users":6721,"is_experimental":false},"abc280_d":{"slope":-0.0010380122572131547,"intercept":8.678615168714616,"variance":0.447143285679083,"difficulty":880,"discrimination":0.004479398673070138,"irt_loglikelihood":-2625.517813807047,"irt_users":6721,"is_experimental":false},"abc280_e":{"slope":-0.0011021752605938114,"intercept":8.561690177657319,"variance":0.6237011219526853,"difficulty":1251,"discrimination":0.004479398673070138,"irt_loglikelihood":-1604.0189548942874,"irt_users":6721,"is_experimental":false},"abc280_f":{"slope":-0.0007795962899933823,"intercept":8.956706095958108,"variance":0.28389562906981375,"difficulty":1819,"discrimination":0.004479398673070138,"irt_loglikelihood":-813.8866728273963,"irt_users":6721,"is_experimental":false},"abc280_g":{"slope":-0.0002345122462113622,"intercept":8.519813265696852,"variance":0.1585482901433173,"difficulty":2842,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.70936694374663,"irt_users":6721,"is_experimental":false},"abc280_h":{"slope":-0.0006927966632047073,"intercept":9.837315143104446,"variance":0.20589756694504138,"difficulty":3307,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.60057846611699,"irt_users":6721,"is_experimental":false},"agc059_a":{"slope":-0.0007076616980889417,"intercept":9.436550151613195,"variance":0.5413158054093036,"difficulty":1970,"discrimination":0.004479398673070138,"irt_loglikelihood":-624.4664749336405,"irt_users":1169,"is_experimental":false},"agc059_b":{"slope":-0.0007422663587134407,"intercept":9.950035020438238,"variance":0.3197615224899854,"difficulty":1887,"discrimination":0.004479398673070138,"irt_loglikelihood":-565.3535965457127,"irt_users":1169,"is_experimental":false},"agc059_c":{"slope":-0.00003138079327025892,"intercept":8.368017695574446,"variance":0.26859776398047885,"difficulty":2905,"discrimination":0.004479398673070138,"irt_loglikelihood":-179.4634880818917,"irt_users":1169,"is_experimental":false},"agc059_d":{"slope":-0.00021922826007647354,"intercept":8.880044014370721,"variance":0.16385548356446822,"difficulty":3319,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.01188043811771,"irt_users":1169,"is_experimental":false},"agc059_e":{"difficulty":3842,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.48798388112849,"irt_users":1169,"is_experimental":false},"agc059_f":{"is_experimental":false},"abc281_a":{"slope":-0.0008248998834236895,"intercept":5.493869817426724,"variance":1.092418269499015,"difficulty":-1303,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.37440854677087,"irt_users":6056,"is_experimental":false},"abc281_b":{"slope":-0.0008641886151982401,"intercept":7.199862029669505,"variance":0.4613574657188339,"difficulty":-322,"discrimination":0.004479398673070138,"irt_loglikelihood":-1478.1953676877638,"irt_users":6056,"is_experimental":false},"abc281_c":{"slope":-0.0010178222638741298,"intercept":7.106774559467304,"variance":0.4122098150981764,"difficulty":-45,"discrimination":0.004479398673070138,"irt_loglikelihood":-2748.8823607515565,"irt_users":7020,"is_experimental":false},"abc281_d":{"slope":-0.0011935379874483552,"intercept":8.779415420578951,"variance":0.4060476484087419,"difficulty":1031,"discrimination":0.004479398673070138,"irt_loglikelihood":-2124.173005360592,"irt_users":7020,"is_experimental":false},"abc281_e":{"slope":-0.000649697356652475,"intercept":8.507273519337607,"variance":0.329154974239213,"difficulty":1334,"discrimination":0.004479398673070138,"irt_loglikelihood":-1683.4559324614863,"irt_users":7020,"is_experimental":false},"abc281_f":{"slope":-0.0006551764395245756,"intercept":8.221034255142326,"variance":0.43220090241229425,"difficulty":1714,"discrimination":0.004479398673070138,"irt_loglikelihood":-1000.88150065701,"irt_users":7020,"is_experimental":false},"abc281_g":{"slope":-0.0007279471211690792,"intercept":9.069488226904628,"variance":0.2357523125152085,"difficulty":2304,"discrimination":0.004479398673070138,"irt_loglikelihood":-278.25960346402826,"irt_users":7020,"is_experimental":false},"abc281_h":{"slope":-0.001084450467794195,"intercept":10.922742195990006,"variance":0.12590016381489869,"difficulty":3180,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.894506316168858,"irt_users":7020,"is_experimental":false},"abc282_a":{"slope":-0.0008693396700669792,"intercept":5.837979608265813,"variance":0.8131341216240543,"difficulty":-1239,"discrimination":0.004479398673070138,"irt_loglikelihood":-170.03542445379998,"irt_users":5665,"is_experimental":false},"abc282_b":{"slope":-0.0010430886746430135,"intercept":6.960636770978895,"variance":0.3368892220672215,"difficulty":-284,"discrimination":0.004479398673070138,"irt_loglikelihood":-1204.5381344173927,"irt_users":5665,"is_experimental":false},"abc282_c":{"slope":-0.0008813907940136814,"intercept":6.80648988036956,"variance":0.4192376673582797,"difficulty":-139,"discrimination":0.004479398673070138,"irt_loglikelihood":-2315.94214396423,"irt_users":6556,"is_experimental":false},"abc282_d":{"slope":-0.0010369474217637477,"intercept":9.0887153286634,"variance":0.29991585515944513,"difficulty":1154,"discrimination":0.004479398673070138,"irt_loglikelihood":-1880.3594963254875,"irt_users":6556,"is_experimental":false},"abc282_e":{"slope":-0.0007460754701500775,"intercept":8.293027119102844,"variance":0.4160525431616677,"difficulty":1604,"discrimination":0.004479398673070138,"irt_loglikelihood":-1295.3456727317123,"irt_users":6556,"is_experimental":false},"abc282_f":{"slope":-0.0005788124680267887,"intercept":8.410764067281981,"variance":0.37056885216965535,"difficulty":1734,"discrimination":0.004479398673070138,"irt_loglikelihood":-1019.3687757348104,"irt_users":6556,"is_experimental":false},"abc282_g":{"slope":-0.0005726294013924553,"intercept":8.733581206094437,"variance":0.21181666332577045,"difficulty":2412,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.73959168785564,"irt_users":6556,"is_experimental":false},"abc282_h":{"slope":-0.00047298320452210765,"intercept":8.56411607078842,"variance":0.29435337722776705,"difficulty":2621,"discrimination":0.004479398673070138,"irt_loglikelihood":-205.87028653284284,"irt_users":6556,"is_experimental":false},"abc283_a":{"slope":-0.0008752199141289257,"intercept":5.735947719500497,"variance":1.2686324782405678,"difficulty":-1172,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.80505837412372,"irt_users":5438,"is_experimental":false},"abc283_b":{"slope":-0.0009048892199661914,"intercept":6.225736748621876,"variance":0.4035968016468806,"difficulty":-578,"discrimination":0.004479398673070138,"irt_loglikelihood":-751.741695051153,"irt_users":5438,"is_experimental":false},"abc283_c":{"slope":-0.00090802016594285,"intercept":6.772071372483585,"variance":0.4896979923966817,"difficulty":-207,"discrimination":0.004479398673070138,"irt_loglikelihood":-2361.676984911236,"irt_users":6581,"is_experimental":false},"abc283_d":{"slope":-0.0006861788893200955,"intercept":7.881610409403522,"variance":0.4228037851124065,"difficulty":453,"discrimination":0.004479398673070138,"irt_loglikelihood":-3507.940417568358,"irt_users":6581,"is_experimental":false},"abc283_e":{"slope":-0.0005351680570459599,"intercept":8.634017658043211,"variance":0.25482337638830493,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-1023.8477061595703,"irt_users":6581,"is_experimental":false},"abc283_f":{"slope":-0.0005608860263894154,"intercept":8.41181043974306,"variance":0.33980105623404194,"difficulty":1771,"discrimination":0.004479398673070138,"irt_loglikelihood":-1372.883042924043,"irt_users":6581,"is_experimental":false},"abc283_g":{"slope":-0.0005190519633143279,"intercept":8.270533365486214,"variance":0.4866066745009956,"difficulty":2173,"discrimination":0.004479398673070138,"irt_loglikelihood":-473.8196936716578,"irt_users":6581,"is_experimental":false},"abc283_h":{"slope":-0.00015702476549075097,"intercept":7.312997866626633,"variance":0.47672408217792406,"difficulty":2682,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.41580416834432,"irt_users":6581,"is_experimental":false},"agc060_a":{"slope":-0.0011926144165333534,"intercept":9.386547199616864,"variance":0.4782333821067169,"difficulty":1345,"discrimination":0.004479398673070138,"irt_loglikelihood":-323.71961990144035,"irt_users":947,"is_experimental":false},"agc060_b":{"slope":-0.0006395021261069764,"intercept":9.506806415791983,"variance":0.3536216275803396,"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.4816335497045,"irt_users":947,"is_experimental":false},"agc060_c":{"slope":-0.0002596127682107265,"intercept":8.940060737489048,"variance":0.22389739865006442,"difficulty":2680,"discrimination":0.004479398673070138,"irt_loglikelihood":-235.81497039078056,"irt_users":947,"is_experimental":false},"agc060_d":{"slope":-0.0003098795625818591,"intercept":9.160419114653399,"variance":0.15413919526369144,"difficulty":3394,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.40181686948397,"irt_users":947,"is_experimental":false},"agc060_e":{"difficulty":3452,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.37187765111622,"irt_users":947,"is_experimental":false},"agc060_f":{"is_experimental":false},"abc284_a":{"slope":-0.0008207436530513665,"intercept":5.740147599658774,"variance":0.8492730138413103,"difficulty":-1072,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.48536442332255,"irt_users":6056,"is_experimental":false},"abc284_b":{"slope":-0.0008089142628899861,"intercept":5.661439823400829,"variance":0.4475977329938352,"difficulty":-936,"discrimination":0.004479398673070138,"irt_loglikelihood":-404.05780235648024,"irt_users":6056,"is_experimental":false},"abc284_c":{"slope":-0.0011175330943309471,"intercept":6.874406206350753,"variance":0.699346818752967,"difficulty":108,"discrimination":0.004479398673070138,"irt_loglikelihood":-3069.820062457659,"irt_users":7054,"is_experimental":false},"abc284_d":{"slope":-0.0008027047394605185,"intercept":8.144499609161976,"variance":0.6321362602991721,"difficulty":658,"discrimination":0.004479398673070138,"irt_loglikelihood":-3683.059680801171,"irt_users":7054,"is_experimental":false},"abc284_e":{"slope":-0.0008107675106367359,"intercept":8.028296224791916,"variance":0.5376310565725801,"difficulty":1043,"discrimination":0.004479398673070138,"irt_loglikelihood":-2907.880011405929,"irt_users":7054,"is_experimental":false},"abc284_f":{"slope":-0.0006577453860174627,"intercept":8.668783507136263,"variance":0.2852947556914657,"difficulty":1575,"discrimination":0.004479398673070138,"irt_loglikelihood":-1436.6391663086958,"irt_users":7054,"is_experimental":false},"abc284_g":{"slope":-0.0004959089956677378,"intercept":8.64684889573095,"variance":0.2859154719645124,"difficulty":2218,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.8804450905964,"irt_users":7054,"is_experimental":false},"abc284_h":{"slope":-0.00019215405573246635,"intercept":8.079464939811663,"variance":0.4023822750220521,"difficulty":3125,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.77811188547214,"irt_users":7054,"is_experimental":false},"arc153_a":{"slope":-0.0008450023898015704,"intercept":7.690961000677111,"variance":0.4895781697512026,"difficulty":-259,"discrimination":0.004479398673070138,"irt_loglikelihood":-1070.5976296651854,"irt_users":3678,"is_experimental":false},"arc153_b":{"slope":-0.0007424653420688961,"intercept":8.902549079005027,"variance":0.28734756708167153,"difficulty":1369,"discrimination":0.004479398673070138,"irt_loglikelihood":-1588.4408940541823,"irt_users":3678,"is_experimental":false},"arc153_c":{"slope":-0.0004147705794089433,"intercept":8.875924781318922,"variance":0.26597602625961064,"difficulty":1960,"discrimination":0.004479398673070138,"irt_loglikelihood":-783.5067543851246,"irt_users":3678,"is_experimental":false},"arc153_d":{"slope":-0.00006399898795515903,"intercept":8.018267681209547,"variance":0.20546895453774347,"difficulty":2664,"discrimination":0.004479398673070138,"irt_loglikelihood":-234.21956985406405,"irt_users":3678,"is_experimental":false},"arc153_e":{"slope":-0.0006827819184573425,"intercept":9.817180150667086,"variance":0.09101136257440427,"difficulty":3276,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.99324509343307,"irt_users":3678,"is_experimental":false},"arc153_f":{"difficulty":3597,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.16384964339848,"irt_users":3678,"is_experimental":false},"abc285_a":{"slope":-0.0010367278272696574,"intercept":6.238452818845925,"variance":0.811139631436809,"difficulty":-1022,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.15848416807563,"irt_users":5256,"is_experimental":false},"abc285_b":{"slope":-0.0008220385602738889,"intercept":7.167580484599623,"variance":0.3680222062839597,"difficulty":-123,"discrimination":0.004479398673070138,"irt_loglikelihood":-1793.6285880211497,"irt_users":5256,"is_experimental":false},"abc285_c":{"slope":-0.00102326856271109,"intercept":7.198021830111121,"variance":0.5852857962787532,"difficulty":25,"discrimination":0.004479398673070138,"irt_loglikelihood":-2465.6661684223,"irt_users":5911,"is_experimental":false},"abc285_d":{"slope":-0.0009221841899030318,"intercept":8.151230348038842,"variance":0.3965734849628096,"difficulty":663,"discrimination":0.004479398673070138,"irt_loglikelihood":-2302.5257124802997,"irt_users":5911,"is_experimental":false},"abc285_e":{"slope":-0.0007985311254057186,"intercept":8.609203497233558,"variance":0.3094436288469566,"difficulty":1466,"discrimination":0.004479398673070138,"irt_loglikelihood":-1072.307957464238,"irt_users":5911,"is_experimental":false},"abc285_f":{"slope":-0.00039075523369289615,"intercept":8.506510468621908,"variance":0.20653328656449849,"difficulty":1876,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.4443968374923,"irt_users":5911,"is_experimental":false},"abc285_g":{"slope":-0.0003511957883069777,"intercept":8.321786692064693,"variance":0.3929961762754416,"difficulty":2566,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.50603121956067,"irt_users":5911,"is_experimental":false},"abc285_h":{"difficulty":3192,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.58510141542468,"irt_users":5911,"is_experimental":false},"abc286_a":{"slope":-0.0009160392841948481,"intercept":6.870852589279395,"variance":0.4531687415171647,"difficulty":-640,"discrimination":0.004479398673070138,"irt_loglikelihood":-568.4804083466191,"irt_users":5336,"is_experimental":false},"abc286_b":{"slope":-0.0009019918481728452,"intercept":6.3107069444223844,"variance":0.6507220074817508,"difficulty":-605,"discrimination":0.004479398673070138,"irt_loglikelihood":-595.3996883727656,"irt_users":5336,"is_experimental":false},"abc286_c":{"slope":-0.0011798188366380297,"intercept":7.929911908623382,"variance":0.3586527584793052,"difficulty":565,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.080352807919,"irt_users":6099,"is_experimental":false},"abc286_d":{"slope":-0.0011705594694417392,"intercept":8.052358176097846,"variance":0.4478607180861209,"difficulty":607,"discrimination":0.004479398673070138,"irt_loglikelihood":-2462.5783065178434,"irt_users":6099,"is_experimental":false},"abc286_e":{"slope":-0.0008064199374341585,"intercept":8.464572899445994,"variance":0.27397939572312924,"difficulty":1128,"discrimination":0.004479398673070138,"irt_loglikelihood":-1606.8697442827477,"irt_users":6099,"is_experimental":false},"abc286_f":{"slope":-0.000566074766358955,"intercept":8.885212540841422,"variance":0.19086326655308372,"difficulty":1841,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.3222114948738,"irt_users":6099,"is_experimental":false},"abc286_g":{"slope":-0.0005807426507771868,"intercept":8.256838759955041,"variance":0.3899679411560895,"difficulty":2135,"discrimination":0.004479398673070138,"irt_loglikelihood":-425.47377194023,"irt_users":6099,"is_experimental":false},"abc286_h":{"slope":-0.0001516547287099346,"intercept":7.785276801107446,"variance":0.2260900200361771,"difficulty":2526,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.29620282411736,"irt_users":6099,"is_experimental":false},"arc154_a":{"slope":-0.0009883295973917249,"intercept":8.000564158264815,"variance":0.639828187924721,"difficulty":364,"discrimination":0.004479398673070138,"irt_loglikelihood":-963.8569418833675,"irt_users":2387,"is_experimental":false},"arc154_b":{"slope":-0.0009856454189839652,"intercept":8.632481113257777,"variance":0.5592663468439826,"difficulty":1027,"discrimination":0.004479398673070138,"irt_loglikelihood":-1037.975723154135,"irt_users":2387,"is_experimental":false},"arc154_c":{"slope":-0.000648412123527097,"intercept":9.001275415185686,"variance":0.4301360172247753,"difficulty":1881,"discrimination":0.004479398673070138,"irt_loglikelihood":-743.596829340605,"irt_users":2387,"is_experimental":false},"arc154_d":{"slope":-0.0004085362855681642,"intercept":8.912055844979779,"variance":0.25233324085142245,"difficulty":2265,"discrimination":0.004479398673070138,"irt_loglikelihood":-436.1005187557776,"irt_users":2387,"is_experimental":false},"arc154_e":{"slope":-0.0007328871047488927,"intercept":10.214275702174067,"variance":0.18446209226201152,"difficulty":3506,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.947367189841714,"irt_users":2387,"is_experimental":false},"arc154_f":{"difficulty":3616,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.441663599283373,"irt_users":2387,"is_experimental":false},"abc287_a":{"slope":-0.0008285589570579524,"intercept":6.068313321761355,"variance":0.6544038454014871,"difficulty":-1023,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.39106946441643,"irt_users":5938,"is_experimental":false},"abc287_b":{"slope":-0.0009414609240638487,"intercept":6.740963776991953,"variance":0.4297424386530428,"difficulty":-471,"discrimination":0.004479398673070138,"irt_loglikelihood":-863.5987877829334,"irt_users":5938,"is_experimental":false},"abc287_c":{"slope":-0.0008533168353931291,"intercept":7.959667370558987,"variance":0.4843737369896553,"difficulty":466,"discrimination":0.004479398673070138,"irt_loglikelihood":-3202.7000241839683,"irt_users":6920,"is_experimental":false},"abc287_d":{"slope":-0.0009859937352851252,"intercept":8.339169949717952,"variance":0.291551258590176,"difficulty":796,"discrimination":0.004479398673070138,"irt_loglikelihood":-2618.2144186206406,"irt_users":6920,"is_experimental":false},"abc287_e":{"slope":-0.0006489877142485339,"intercept":7.95346195800778,"variance":0.4138938871754685,"difficulty":1093,"discrimination":0.004479398673070138,"irt_loglikelihood":-2178.695402075581,"irt_users":6920,"is_experimental":false},"abc287_f":{"slope":-0.0006964658344330914,"intercept":8.705808661298295,"variance":0.3576344617983916,"difficulty":2034,"discrimination":0.004479398673070138,"irt_loglikelihood":-613.4449103522159,"irt_users":6920,"is_experimental":false},"abc287_g":{"slope":-0.00025709988420531877,"intercept":7.927518640850171,"variance":0.2751836138284375,"difficulty":2180,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.4334410264981,"irt_users":6920,"is_experimental":false},"abc287_h":{"slope":-0.00022112723742822733,"intercept":8.067980799964866,"variance":0.29742812889108305,"difficulty":2639,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.0322889050979,"irt_users":6920,"is_experimental":false},"arc155_a":{"slope":-0.0007217090655798133,"intercept":9.284338636030776,"variance":0.29344876127309055,"difficulty":1548,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.8370705201123,"irt_users":2020,"is_experimental":false},"arc155_b":{"slope":-0.00085826268239046,"intercept":9.220593281553423,"variance":0.48894007989335747,"difficulty":1565,"discrimination":0.004479398673070138,"irt_loglikelihood":-799.4166262821475,"irt_users":2020,"is_experimental":false},"arc155_c":{"slope":-0.00048569669242069796,"intercept":9.126181308180305,"variance":0.16644182654222717,"difficulty":2219,"discrimination":0.004479398673070138,"irt_loglikelihood":-386.4509917478553,"irt_users":2020,"is_experimental":false},"arc155_d":{"slope":-0.00013191755965151085,"intercept":8.446070796749046,"variance":0.24307562516907136,"difficulty":3001,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.28313064879394,"irt_users":2020,"is_experimental":false},"arc155_e":{"difficulty":3513,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.984465209907796,"irt_users":2020,"is_experimental":false},"arc155_f":{"is_experimental":false},"abc288_a":{"slope":-0.0008248381136792709,"intercept":5.494470630175143,"variance":1.002305436884765,"difficulty":-1292,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.40047868284398,"irt_users":5996,"is_experimental":false},"abc288_b":{"slope":-0.0008815375197487608,"intercept":6.274265137168,"variance":0.4921254424603406,"difficulty":-483,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.2628393427017,"irt_users":5996,"is_experimental":false},"abc288_c":{"slope":-0.0011712966422328525,"intercept":7.570406923367458,"variance":0.7004502238900587,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-3089.5391597553407,"irt_users":7092,"is_experimental":false},"abc288_d":{"slope":-0.0007885616399728397,"intercept":8.981268488540755,"variance":0.4328755921312788,"difficulty":1757,"discrimination":0.004479398673070138,"irt_loglikelihood":-1468.3583845271846,"irt_users":7092,"is_experimental":false},"abc288_e":{"slope":-0.0007793864676339063,"intercept":8.954593659554792,"variance":0.3297690314330157,"difficulty":2000,"discrimination":0.004479398673070138,"irt_loglikelihood":-776.678494475481,"irt_users":7092,"is_experimental":false},"abc288_f":{"slope":-0.000621428223913472,"intercept":8.604995865423856,"variance":0.3568889960860546,"difficulty":2024,"discrimination":0.004479398673070138,"irt_loglikelihood":-830.9653024932746,"irt_users":7092,"is_experimental":false},"abc288_g":{"slope":-0.0006358333052422073,"intercept":8.697414271957907,"variance":0.4219177790544519,"difficulty":2606,"discrimination":0.004479398673070138,"irt_loglikelihood":-247.84405735211496,"irt_users":7092,"is_experimental":false},"abc288_h":{"slope":-0.00030796018863338953,"intercept":8.98206197623717,"variance":0.19448058962503337,"difficulty":3282,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.69279163591055,"irt_users":7092,"is_experimental":false},"ahc017_a":{"difficulty":3692,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.248904755627502,"irt_users":811,"is_experimental":false},"ahc017_b":{"difficulty":3692,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.248904755627502,"irt_users":811,"is_experimental":false},"abc289_a":{"slope":-0.0010423321114857245,"intercept":5.788997660969445,"variance":0.6528979569289868,"difficulty":-952,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.10507442130265,"irt_users":6252,"is_experimental":false},"abc289_b":{"slope":-0.001053635620762895,"intercept":7.694323757302281,"variance":0.35687530736292067,"difficulty":169,"discrimination":0.004479398673070138,"irt_loglikelihood":-2177.8342968557467,"irt_users":6252,"is_experimental":false},"abc289_c":{"slope":-0.0011571860214988512,"intercept":7.773383644363771,"variance":0.394658132687081,"difficulty":396,"discrimination":0.004479398673070138,"irt_loglikelihood":-2254.2364525775947,"irt_users":6252,"is_experimental":false},"abc289_d":{"slope":-0.0010451368608496623,"intercept":7.678212779224496,"variance":0.43026447561059733,"difficulty":551,"discrimination":0.004479398673070138,"irt_loglikelihood":-2317.11460193474,"irt_users":6252,"is_experimental":false},"abc289_e":{"slope":-0.0006618560918287021,"intercept":8.217576853709968,"variance":0.3825535718914952,"difficulty":1318,"discrimination":0.004479398673070138,"irt_loglikelihood":-1527.5902040841029,"irt_users":6252,"is_experimental":false},"abc289_f":{"slope":-0.0000929549254751467,"intercept":8.167541142969844,"variance":0.17591625333289904,"difficulty":2100,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.7611276916916,"irt_users":6252,"is_experimental":false},"abc289_g":{"slope":-0.00037339400457695067,"intercept":8.21162801999562,"variance":0.30604217945577034,"difficulty":2109,"discrimination":0.004479398673070138,"irt_loglikelihood":-354.2938638685989,"irt_users":6252,"is_experimental":false},"abc289_h":{"difficulty":3246,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.197091903934746,"irt_users":6252,"is_experimental":false},"agc061_a":{"slope":-0.0007399478545191723,"intercept":9.86925003998302,"variance":0.23521175198518146,"difficulty":1643,"discrimination":0.004479398673070138,"irt_loglikelihood":-434.31109499197356,"irt_users":810,"is_experimental":false},"agc061_b":{"slope":-0.00033596636211105754,"intercept":9.38873037392461,"variance":0.14767861202706725,"difficulty":3371,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.19335700016595,"irt_users":810,"is_experimental":false},"agc061_c":{"slope":-0.00008143930937875489,"intercept":8.654752604170685,"variance":0.2181965109297974,"difficulty":2697,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.5703013155238,"irt_users":810,"is_experimental":false},"agc061_d":{"slope":-0.00010350814058156233,"intercept":8.818952698248486,"variance":0.23591554807585993,"difficulty":3632,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.891456920745743,"irt_users":810,"is_experimental":false},"agc061_e":{"difficulty":3901,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.81124946172792,"irt_users":810,"is_experimental":false},"agc061_f":{"difficulty":4084,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.551278613712103,"irt_users":810,"is_experimental":false},"arc156_a":{"slope":-0.0007706389740699164,"intercept":8.66071139959516,"variance":0.3323926535918268,"difficulty":510,"discrimination":0.004479398673070138,"irt_loglikelihood":-1599.8965514203653,"irt_users":3075,"is_experimental":false},"arc156_b":{"slope":-0.0009507279872955916,"intercept":9.190941219878946,"variance":0.2891488578006244,"difficulty":1415,"discrimination":0.004479398673070138,"irt_loglikelihood":-927.4589776222091,"irt_users":3075,"is_experimental":false},"arc156_c":{"slope":-0.00036035113831844797,"intercept":8.549715647726021,"variance":0.28702423719816833,"difficulty":2155,"discrimination":0.004479398673070138,"irt_loglikelihood":-515.7895314499484,"irt_users":3075,"is_experimental":false},"arc156_d":{"slope":-0.0004871907283234898,"intercept":9.20654883636653,"variance":0.23179705437847975,"difficulty":2568,"discrimination":0.004479398673070138,"irt_loglikelihood":-227.33722994271534,"irt_users":3075,"is_experimental":false},"arc156_e":{"difficulty":3650,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.847978624249926,"irt_users":3075,"is_experimental":false},"arc156_f":{"difficulty":4011,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.954169668018494,"irt_users":3075,"is_experimental":false},"abc290_a":{"slope":-0.000889684755655305,"intercept":5.942372785158227,"variance":0.7024957812376526,"difficulty":-1118,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.83542211704415,"irt_users":5080,"is_experimental":false},"abc290_b":{"slope":-0.0008130809160945827,"intercept":6.24889798578431,"variance":0.2817739684432125,"difficulty":-764,"discrimination":0.004479398673070138,"irt_loglikelihood":-372.2734907256187,"irt_users":5080,"is_experimental":false},"abc290_c":{"slope":-0.0010609661818445602,"intercept":7.577000955907169,"variance":0.681612768684778,"difficulty":170,"discrimination":0.004479398673070138,"irt_loglikelihood":-2283.507663995769,"irt_users":5870,"is_experimental":false},"abc290_d":{"slope":-0.0009730925425805256,"intercept":8.561665778767637,"variance":0.37910327973793434,"difficulty":1036,"discrimination":0.004479398673070138,"irt_loglikelihood":-2347.0340403324276,"irt_users":5870,"is_experimental":false},"abc290_e":{"slope":-0.0007233629642363772,"intercept":8.75604171528173,"variance":0.2763192746921733,"difficulty":1485,"discrimination":0.004479398673070138,"irt_loglikelihood":-1251.7849885069445,"irt_users":5870,"is_experimental":false},"abc290_f":{"slope":-0.0006321721244108218,"intercept":8.98326316848698,"variance":0.228998346139588,"difficulty":2300,"discrimination":0.004479398673070138,"irt_loglikelihood":-326.69411570620196,"irt_users":5870,"is_experimental":false},"abc290_g":{"slope":-0.0006435604833845218,"intercept":8.820801067548274,"variance":0.3246152213070747,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-317.2975243869337,"irt_users":5870,"is_experimental":false},"abc290_h":{"difficulty":3569,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.912787570002827,"irt_users":5870,"is_experimental":false},"arc157_a":{"slope":-0.000882320083911851,"intercept":8.35831802037334,"variance":0.4934810104619622,"difficulty":344,"discrimination":0.004479398673070138,"irt_loglikelihood":-1113.4180634448976,"irt_users":2805,"is_experimental":false},"arc157_b":{"slope":-0.0006859674056332983,"intercept":9.35152610533681,"variance":0.2307368563345296,"difficulty":1529,"discrimination":0.004479398673070138,"irt_loglikelihood":-1056.538373334025,"irt_users":2805,"is_experimental":false},"arc157_c":{"slope":-0.0008509328125053586,"intercept":9.101957423285969,"variance":0.44324601603769587,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-754.8719656653731,"irt_users":2805,"is_experimental":false},"arc157_d":{"slope":-0.0005629417516649875,"intercept":9.30773877731724,"variance":0.15029836416843884,"difficulty":2435,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.36795357729716,"irt_users":2805,"is_experimental":false},"arc157_e":{"slope":-0.00023066827164478155,"intercept":8.530997424467365,"variance":0.0979493686222164,"difficulty":2877,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.91527032305767,"irt_users":2805,"is_experimental":false},"arc157_f":{"difficulty":3517,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.578400753101988,"irt_users":2805,"is_experimental":false},"abc291_a":{"slope":-0.0008543562354912614,"intercept":5.900546059712352,"variance":0.773986277727707,"difficulty":-1162,"discrimination":0.004479398673070138,"irt_loglikelihood":-197.73987190638204,"irt_users":5560,"is_experimental":false},"abc291_b":{"slope":-0.0009462697441904163,"intercept":6.573013890693889,"variance":0.34713248816177456,"difficulty":-606,"discrimination":0.004479398673070138,"irt_loglikelihood":-681.7528512723849,"irt_users":5560,"is_experimental":false},"abc291_c":{"slope":-0.0009942331220727184,"intercept":7.126987587478239,"variance":0.5447985083931461,"difficulty":97,"discrimination":0.004479398673070138,"irt_loglikelihood":-2812.6501252611747,"irt_users":6396,"is_experimental":false},"abc291_d":{"slope":-0.001159835364395436,"intercept":7.987671843011918,"variance":0.446136560288524,"difficulty":720,"discrimination":0.004479398673070138,"irt_loglikelihood":-2613.8665244448002,"irt_users":6396,"is_experimental":false},"abc291_e":{"slope":-0.0008984152901549364,"intercept":8.352647288208814,"variance":0.493102394579207,"difficulty":1069,"discrimination":0.004479398673070138,"irt_loglikelihood":-2104.4215264358536,"irt_users":6396,"is_experimental":false},"abc291_f":{"slope":-0.0007763025086120642,"intercept":8.549724575391615,"variance":0.2422515787637572,"difficulty":1449,"discrimination":0.004479398673070138,"irt_loglikelihood":-1335.8569434498013,"irt_users":6396,"is_experimental":false},"abc291_g":{"slope":-0.001001296428083774,"intercept":9.439739998582645,"variance":0.29534982433320944,"difficulty":2176,"discrimination":0.004479398673070138,"irt_loglikelihood":-436.01806687257863,"irt_users":6396,"is_experimental":false},"abc291_h":{"slope":-0.0005230660373041194,"intercept":8.197281440905861,"variance":0.48304712369270514,"difficulty":2097,"discrimination":0.004479398673070138,"irt_loglikelihood":-563.9163699890364,"irt_users":6396,"is_experimental":false},"ahc018_a":{"difficulty":3672,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.205258713901648,"irt_users":914,"is_experimental":false},"ahc018_b":{"difficulty":3672,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.205258713901648,"irt_users":914,"is_experimental":false},"abc292_a":{"slope":-0.0008223144082069277,"intercept":5.684756035821828,"variance":1.0483616419813777,"difficulty":-1207,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.0349269935447,"irt_users":6058,"is_experimental":false},"abc292_b":{"slope":-0.0009309425624149377,"intercept":6.464431943638377,"variance":0.3819808672960667,"difficulty":-534,"discrimination":0.004479398673070138,"irt_loglikelihood":-855.5794014104863,"irt_users":6058,"is_experimental":false},"abc292_c":{"slope":-0.001225861402366121,"intercept":7.901475201727852,"variance":0.5058412937509729,"difficulty":444,"discrimination":0.004479398673070138,"irt_loglikelihood":-3460.7422480942505,"irt_users":7057,"is_experimental":false},"abc292_d":{"slope":-0.0011241887031195705,"intercept":8.03526373484689,"variance":0.4586548738507967,"difficulty":579,"discrimination":0.004479398673070138,"irt_loglikelihood":-2983.7922969074366,"irt_users":7057,"is_experimental":false},"abc292_e":{"slope":-0.0007921040403187679,"intercept":8.292047711136547,"variance":0.5124930603972645,"difficulty":1272,"discrimination":0.004479398673070138,"irt_loglikelihood":-2038.8625760714397,"irt_users":7057,"is_experimental":false},"abc292_f":{"slope":-0.0005323142405442395,"intercept":8.38395882749023,"variance":0.2953324596893769,"difficulty":1522,"discrimination":0.004479398673070138,"irt_loglikelihood":-1576.4900441083644,"irt_users":7057,"is_experimental":false},"abc292_g":{"slope":-0.0007022292155570505,"intercept":8.954946348447145,"variance":0.33299634093001496,"difficulty":2340,"discrimination":0.004479398673070138,"irt_loglikelihood":-290.1728598844993,"irt_users":7057,"is_experimental":false},"abc292_h":{"slope":-0.0005334937277321515,"intercept":8.549153736056494,"variance":0.24933387146986086,"difficulty":2248,"discrimination":0.004479398673070138,"irt_loglikelihood":-395.1439626106925,"irt_users":7057,"is_experimental":false},"abc293_a":{"slope":-0.0009571852481259964,"intercept":6.269929562878886,"variance":0.759272059705461,"difficulty":-998,"discrimination":0.004479398673070138,"irt_loglikelihood":-389.15369861836626,"irt_users":6242,"is_experimental":false},"abc293_b":{"slope":-0.000958838231527994,"intercept":6.880446762397167,"variance":0.3884871903568404,"difficulty":-328,"discrimination":0.004479398673070138,"irt_loglikelihood":-1422.6206408272392,"irt_users":6242,"is_experimental":false},"abc293_c":{"slope":-0.0008684753395241443,"intercept":7.684125683821924,"variance":0.4114318347843248,"difficulty":431,"discrimination":0.004479398673070138,"irt_loglikelihood":-3806.3853931800045,"irt_users":7305,"is_experimental":false},"abc293_d":{"slope":-0.0008427317608160975,"intercept":7.964581487087104,"variance":0.3993923358502674,"difficulty":830,"discrimination":0.004479398673070138,"irt_loglikelihood":-3164.838169227395,"irt_users":7305,"is_experimental":false},"abc293_e":{"slope":-0.0006940304290954989,"intercept":8.382655749761105,"variance":0.4849828186094687,"difficulty":1453,"discrimination":0.004479398673070138,"irt_loglikelihood":-2123.4600126033106,"irt_users":7305,"is_experimental":false},"abc293_f":{"slope":-0.000576307639855628,"intercept":8.75495791985405,"variance":0.28274937333989375,"difficulty":2038,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.3623621794279,"irt_users":7305,"is_experimental":false},"abc293_g":{"slope":-0.00043172490958113483,"intercept":8.015228817738048,"variance":0.49221529751624166,"difficulty":1753,"discrimination":0.004479398673070138,"irt_loglikelihood":-1273.487692920661,"irt_users":7305,"is_experimental":false},"abc293_h":{"slope":-0.00023220172348592036,"intercept":8.443148824253448,"variance":0.2647851684890256,"difficulty":2831,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.48920135388349,"irt_users":7305,"is_experimental":false},"arc158_a":{"slope":-0.0008878375909036819,"intercept":8.640901151720907,"variance":0.5113726946509096,"difficulty":720,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.888786383404,"irt_users":2195,"is_experimental":false},"arc158_b":{"slope":-0.0006113566813632763,"intercept":8.651162325982153,"variance":0.4113649465047913,"difficulty":1446,"discrimination":0.004479398673070138,"irt_loglikelihood":-1089.1131566744466,"irt_users":2195,"is_experimental":false},"arc158_c":{"slope":-0.000772904891113224,"intercept":8.89972273666418,"variance":0.4068811565438419,"difficulty":1875,"discrimination":0.004479398673070138,"irt_loglikelihood":-614.4573966219184,"irt_users":2195,"is_experimental":false},"arc158_d":{"slope":-0.00017994691729606794,"intercept":8.210093275053048,"variance":0.2539341725744941,"difficulty":2893,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.84699308579584,"irt_users":2195,"is_experimental":false},"arc158_e":{"slope":-0.0003386759466425316,"intercept":8.79432812534879,"variance":0.13810017577826575,"difficulty":2641,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.64493053612335,"irt_users":2195,"is_experimental":false},"arc158_f":{"slope":-0.0005884281457203313,"intercept":9.806462008560331,"variance":0.17130190951300867,"difficulty":3500,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.480127813488913,"irt_users":2195,"is_experimental":false},"abc294_a":{"slope":-0.0008232289556503734,"intercept":5.674904597085924,"variance":0.8562982116903992,"difficulty":-1166,"discrimination":0.004479398673070138,"irt_loglikelihood":-200.7866347314248,"irt_users":5328,"is_experimental":false},"abc294_b":{"slope":-0.0008764102198752846,"intercept":6.4366428833070435,"variance":0.3700753810128172,"difficulty":-714,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.67455745664785,"irt_users":5328,"is_experimental":false},"abc294_c":{"slope":-0.00098087668927223,"intercept":7.111364375573312,"variance":0.384374881521048,"difficulty":-59,"discrimination":0.004479398673070138,"irt_loglikelihood":-2190.595573145552,"irt_users":6111,"is_experimental":false},"abc294_d":{"slope":-0.0008908518267553361,"intercept":7.648898692493035,"variance":0.4411874034905764,"difficulty":385,"discrimination":0.004479398673070138,"irt_loglikelihood":-2594.3909441760093,"irt_users":6111,"is_experimental":false},"abc294_e":{"slope":-0.0007414868658772841,"intercept":8.133681698647043,"variance":0.25800981857647576,"difficulty":792,"discrimination":0.004479398673070138,"irt_loglikelihood":-2348.407922519273,"irt_users":6111,"is_experimental":false},"abc294_f":{"slope":-0.0007209314417283992,"intercept":8.638404870382299,"variance":0.2944439265412023,"difficulty":1891,"discrimination":0.004479398673070138,"irt_loglikelihood":-768.0801796768566,"irt_users":6111,"is_experimental":false},"abc294_g":{"slope":-0.00039030600385286154,"intercept":8.09796929751391,"variance":0.39054961627634466,"difficulty":1702,"discrimination":0.004479398673070138,"irt_loglikelihood":-1240.7779261615551,"irt_users":6111,"is_experimental":false},"abc294_h":{"slope":-0.0001639004674118632,"intercept":8.410536753042033,"variance":0.2687022627657551,"difficulty":3058,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.17863424806991,"irt_users":6111,"is_experimental":false},"abc295_a":{"slope":-0.0007969025418545601,"intercept":6.277181361294748,"variance":0.7591956399377237,"difficulty":-921,"discrimination":0.004479398673070138,"irt_loglikelihood":-496.451027826628,"irt_users":6236,"is_experimental":false},"abc295_b":{"slope":-0.0009431424060002621,"intercept":7.524368131286837,"variance":0.36485975507869556,"difficulty":24,"discrimination":0.004479398673070138,"irt_loglikelihood":-2130.775032670364,"irt_users":6236,"is_experimental":false},"abc295_c":{"slope":-0.0011524354172483577,"intercept":6.634703055845269,"variance":0.7223796168716735,"difficulty":-75,"discrimination":0.004479398673070138,"irt_loglikelihood":-2875.432440842943,"irt_users":7178,"is_experimental":false},"abc295_d":{"slope":-0.0010254725813741109,"intercept":8.111397576787345,"variance":0.6120697300898832,"difficulty":939,"discrimination":0.004479398673070138,"irt_loglikelihood":-3003.261262879662,"irt_users":7178,"is_experimental":false},"abc295_e":{"slope":-0.0009247056491232373,"intercept":9.388412408022397,"variance":0.283412203284271,"difficulty":2157,"discrimination":0.004479398673070138,"irt_loglikelihood":-477.9044297858189,"irt_users":7178,"is_experimental":false},"abc295_f":{"slope":-0.0005762892471023287,"intercept":8.892569128642828,"variance":0.2329921222320026,"difficulty":2306,"discrimination":0.004479398673070138,"irt_loglikelihood":-378.81011710237624,"irt_users":7178,"is_experimental":false},"abc295_g":{"slope":-0.000858286296187099,"intercept":9.188310105366364,"variance":0.41140457692947424,"difficulty":2091,"discrimination":0.004479398673070138,"irt_loglikelihood":-633.3476679031085,"irt_users":7178,"is_experimental":false},"abc295_h":{"slope":-0.0008781863667259765,"intercept":9.444492365632666,"variance":0.30111060242665216,"difficulty":2728,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.73909055287501,"irt_users":7178,"is_experimental":false},"abc296_a":{"slope":-0.0009222832582501536,"intercept":6.223488525056167,"variance":0.7937926602896974,"difficulty":-937,"discrimination":0.004479398673070138,"irt_loglikelihood":-412.1805133651696,"irt_users":6022,"is_experimental":false},"abc296_b":{"slope":-0.0008143753439355322,"intercept":6.573768992905806,"variance":0.29178011846166496,"difficulty":-622,"discrimination":0.004479398673070138,"irt_loglikelihood":-760.3012028619474,"irt_users":6022,"is_experimental":false},"abc296_c":{"slope":-0.0010793728815455125,"intercept":7.086922541778526,"variance":0.7367924161077289,"difficulty":38,"discrimination":0.004479398673070138,"irt_loglikelihood":-2908.2234476619733,"irt_users":7066,"is_experimental":false},"abc296_d":{"slope":-0.0008538600941993788,"intercept":8.52592199380053,"variance":0.5297230785404499,"difficulty":999,"discrimination":0.004479398673070138,"irt_loglikelihood":-2951.4476435340616,"irt_users":7066,"is_experimental":false},"abc296_e":{"slope":-0.0008939894447773527,"intercept":8.722889847436626,"variance":0.34543268139239824,"difficulty":1285,"discrimination":0.004479398673070138,"irt_loglikelihood":-1711.2409536973023,"irt_users":7066,"is_experimental":false},"abc296_f":{"slope":-0.0007250217837088686,"intercept":8.446907796485132,"variance":0.48971680410356216,"difficulty":1811,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.5334952296785,"irt_users":7066,"is_experimental":false},"abc296_g":{"slope":-0.0002615005146876247,"intercept":8.265030345618545,"variance":0.37148086589443635,"difficulty":2241,"discrimination":0.004479398673070138,"irt_loglikelihood":-419.50275313239,"irt_users":7066,"is_experimental":false},"abc296_h":{"slope":-0.00015828438488465273,"intercept":8.07288421011844,"variance":0.41338268639581316,"difficulty":2822,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.34595918221021,"irt_users":7066,"is_experimental":false},"ahc019_a":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.5794551127163206,"irt_users":646,"is_experimental":false},"ahc019_b":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.5794551127163206,"irt_users":646,"is_experimental":false},"arc159_a":{"slope":-0.0009365644797406564,"intercept":8.610151013737411,"variance":0.3364928189871282,"difficulty":698,"discrimination":0.004479398673070138,"irt_loglikelihood":-1118.8993576907212,"irt_users":2767,"is_experimental":false},"arc159_b":{"slope":-0.0010229625249514615,"intercept":9.480273723325379,"variance":0.3060488697348725,"difficulty":1438,"discrimination":0.004479398673070138,"irt_loglikelihood":-860.123865877967,"irt_users":2767,"is_experimental":false},"arc159_c":{"slope":-0.0006530507445856134,"intercept":9.299750698786477,"variance":0.26536762298476885,"difficulty":2304,"discrimination":0.004479398673070138,"irt_loglikelihood":-371.25282788494076,"irt_users":2767,"is_experimental":false},"arc159_d":{"slope":-0.0008105997899788665,"intercept":9.390800462542114,"variance":0.3111688437238275,"difficulty":2056,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.3448862702994,"irt_users":2767,"is_experimental":false},"arc159_e":{"difficulty":3229,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.453810087193595,"irt_users":2767,"is_experimental":false},"arc159_f":{"difficulty":3250,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.28254136936137,"irt_users":2767,"is_experimental":false},"abc297_a":{"slope":-0.0009164691372489155,"intercept":6.2816605211624355,"variance":0.6405853056979275,"difficulty":-900,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.6160326029582,"irt_users":5499,"is_experimental":false},"abc297_b":{"slope":-0.000823382818429429,"intercept":6.874825712717676,"variance":0.3221229238451544,"difficulty":-455,"discrimination":0.004479398673070138,"irt_loglikelihood":-846.5712319392093,"irt_users":5499,"is_experimental":false},"abc297_c":{"slope":-0.0008750094896677235,"intercept":6.716966550979752,"variance":0.33145723104188296,"difficulty":-172,"discrimination":0.004479398673070138,"irt_loglikelihood":-2291.957780307565,"irt_users":6301,"is_experimental":false},"abc297_d":{"slope":-0.0010186335685290662,"intercept":7.6017452010290665,"variance":0.4848867843422662,"difficulty":247,"discrimination":0.004479398673070138,"irt_loglikelihood":-2723.2038670618767,"irt_users":6301,"is_experimental":false},"abc297_e":{"slope":-0.0007497494176231549,"intercept":8.147747521788315,"variance":0.5179981772329793,"difficulty":1176,"discrimination":0.004479398673070138,"irt_loglikelihood":-2181.19020201219,"irt_users":6301,"is_experimental":false},"abc297_f":{"slope":-0.0008366058769922214,"intercept":8.966423336334053,"variance":0.3124099800590327,"difficulty":1990,"discrimination":0.004479398673070138,"irt_loglikelihood":-609.90246261035,"irt_users":6301,"is_experimental":false},"abc297_g":{"slope":-0.0008295268169985717,"intercept":8.825238145415584,"variance":0.4628627030216134,"difficulty":1834,"discrimination":0.004479398673070138,"irt_loglikelihood":-773.2355069742953,"irt_users":6301,"is_experimental":false},"abc297_h":{"slope":-0.0005033765205913178,"intercept":8.964133284181154,"variance":0.3676430029545607,"difficulty":2855,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.48529402895,"irt_users":6301,"is_experimental":false},"abc298_a":{"slope":-0.0008844999401273004,"intercept":6.280796919738116,"variance":0.6611872830358575,"is_experimental":false},"abc298_b":{"slope":-0.0010851237365438215,"intercept":7.789645784406277,"variance":0.35522790003517385,"is_experimental":false},"abc298_c":{"slope":-0.0009533622742618967,"intercept":7.749520827485614,"variance":0.4179211481021922,"difficulty":548,"discrimination":0.004479398673070138,"irt_loglikelihood":-2993.3540906316357,"irt_users":6706,"is_experimental":false},"abc298_d":{"slope":-0.0012296495735052665,"intercept":8.414108414599966,"variance":0.4415518480419984,"difficulty":943,"discrimination":0.004479398673070138,"irt_loglikelihood":-2118.8815779029173,"irt_users":6706,"is_experimental":false},"abc298_e":{"slope":-0.0010443487025651411,"intercept":8.716556282839178,"variance":0.2666523788850081,"difficulty":1341,"discrimination":0.004479398673070138,"irt_loglikelihood":-1370.0479294710656,"irt_users":6706,"is_experimental":false},"abc298_f":{"slope":-0.0006752027400103545,"intercept":8.438678255271052,"variance":0.2885603827835231,"difficulty":1568,"discrimination":0.004479398673070138,"irt_loglikelihood":-1096.025809138825,"irt_users":6706,"is_experimental":false},"abc298_g":{"slope":-0.00038919250183763174,"intercept":8.572741949949902,"variance":0.12585344154450048,"difficulty":2418,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.7132416175321,"irt_users":6706,"is_experimental":false},"abc298_h":{"slope":-0.00044278639692610616,"intercept":8.639226214988671,"variance":0.20830396410605875,"difficulty":2808,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.54572858476617,"irt_users":6706,"is_experimental":false},"abc299_a":{"slope":-0.0007890748388152823,"intercept":6.4611748695694,"variance":0.6255669607107687,"is_experimental":false},"abc299_b":{"slope":-0.0008397088908343139,"intercept":7.178751469366478,"variance":0.3584134796577172,"is_experimental":false},"abc299_c":{"slope":-0.0009128192967753731,"intercept":7.650392215802989,"variance":0.4387940994451122,"difficulty":257,"discrimination":0.004479398673070138,"irt_loglikelihood":-3130.6617706669535,"irt_users":6332,"is_experimental":false},"abc299_d":{"slope":-0.000992230994682843,"intercept":8.03937539287052,"variance":0.43643115643173086,"difficulty":763,"discrimination":0.004479398673070138,"irt_loglikelihood":-2968.040148178301,"irt_users":6332,"is_experimental":false},"abc299_e":{"slope":-0.0009037511346330899,"intercept":8.786796821826487,"variance":0.2528172365384508,"difficulty":1262,"discrimination":0.004479398673070138,"irt_loglikelihood":-1814.6356240635453,"irt_users":6332,"is_experimental":false},"abc299_f":{"slope":-0.0007919348237873806,"intercept":8.907442543543697,"variance":0.3663984078186646,"difficulty":2366,"discrimination":0.004479398673070138,"irt_loglikelihood":-310.8431061381621,"irt_users":6332,"is_experimental":false},"abc299_g":{"slope":-0.0004275122407391072,"intercept":8.377498675922363,"variance":0.33376047754195953,"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-643.3596772356921,"irt_users":6332,"is_experimental":false},"abc299_h":{"difficulty":2997,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.45149604866803,"irt_users":6332,"is_experimental":false},"abc300_a":{"slope":-0.000753412739593789,"intercept":5.599217659374225,"variance":0.3861652627688153,"difficulty":-1147,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.35017775599165,"irt_users":5042,"is_experimental":false},"abc300_b":{"slope":-0.0011420657669913236,"intercept":7.891269131232036,"variance":0.4763501228808807,"difficulty":350,"discrimination":0.004479398673070138,"irt_loglikelihood":-2441.308643250033,"irt_users":5042,"is_experimental":false},"abc300_c":{"slope":-0.0008724194823564046,"intercept":8.023939274893799,"variance":0.2535960806807652,"difficulty":534,"discrimination":0.004479398673070138,"irt_loglikelihood":-2246.393104433452,"irt_users":5042,"is_experimental":false},"abc300_d":{"slope":-0.0007105459591637527,"intercept":8.169638521330308,"variance":0.29717754583992895,"difficulty":908,"discrimination":0.004479398673070138,"irt_loglikelihood":-1856.2015538295707,"irt_users":5042,"is_experimental":false},"abc300_e":{"slope":-0.0008116367746019004,"intercept":8.296985508526564,"variance":0.29141913191293595,"difficulty":1354,"discrimination":0.004479398673070138,"irt_loglikelihood":-1054.1744542950894,"irt_users":5042,"is_experimental":false},"abc300_f":{"slope":-0.0003729309947183413,"intercept":8.21172655014137,"variance":0.339947030920287,"difficulty":1846,"discrimination":0.004479398673070138,"irt_loglikelihood":-539.8172637691766,"irt_users":5042,"is_experimental":false},"abc300_g":{"slope":-0.0002015890758721332,"intercept":7.708155936569971,"variance":0.21438492076810545,"difficulty":2343,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.25764917154467,"irt_users":5042,"is_experimental":false},"abc300_h":{"difficulty":3209,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.475295209599273,"irt_users":5042,"is_experimental":false},"abc301_a":{"slope":-0.0008693350672331151,"intercept":6.644183639918012,"variance":0.6430674154537823,"difficulty":-821,"discrimination":0.004479398673070138,"irt_loglikelihood":-658.0078720071346,"irt_users":5872,"is_experimental":false},"abc301_b":{"slope":-0.0008914765995936075,"intercept":7.024823746813027,"variance":0.4130363506331594,"difficulty":-314,"discrimination":0.004479398673070138,"irt_loglikelihood":-1435.9771899959599,"irt_users":5872,"is_experimental":false},"abc301_c":{"slope":-0.0007153463619696171,"intercept":7.831430467094813,"variance":0.324912841886209,"difficulty":379,"discrimination":0.004479398673070138,"irt_loglikelihood":-3387.158806105944,"irt_users":6846,"is_experimental":false},"abc301_d":{"slope":-0.0006651813037105186,"intercept":7.952752468849078,"variance":0.634087255830862,"difficulty":885,"discrimination":0.004479398673070138,"irt_loglikelihood":-3067.709802936832,"irt_users":6846,"is_experimental":false},"abc301_e":{"slope":-0.0006894355464541706,"intercept":8.915508282864147,"variance":0.2131881038248584,"difficulty":1673,"discrimination":0.004479398673070138,"irt_loglikelihood":-1039.9312634350922,"irt_users":6846,"is_experimental":false},"abc301_f":{"slope":-0.0006877108000819601,"intercept":9.381774936437916,"variance":0.14486573465908087,"difficulty":2548,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.88338572791375,"irt_users":6846,"is_experimental":false},"abc301_g":{"slope":-0.00013011462490507752,"intercept":8.475134110075993,"variance":0.32957321852723076,"difficulty":3262,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.053457057049304,"irt_users":6846,"is_experimental":false},"abc301_h":{"slope":-0.0007086171999228881,"intercept":9.818775911024389,"variance":0.22188035010279564,"difficulty":2898,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.0931227847323,"irt_users":6846,"is_experimental":false},"arc160_a":{"slope":-0.0008646707949774114,"intercept":9.31342984699809,"variance":0.26678884834135214,"difficulty":1275,"discrimination":0.004479398673070138,"irt_loglikelihood":-861.6483687508304,"irt_users":1636,"is_experimental":false},"arc160_b":{"slope":-0.0008394099983670653,"intercept":8.78025884464771,"variance":0.5032096945372804,"difficulty":1275,"discrimination":0.004479398673070138,"irt_loglikelihood":-776.674434097737,"irt_users":1636,"is_experimental":false},"arc160_c":{"slope":-0.0009056500620394012,"intercept":9.155508505955208,"variance":0.28869513726979956,"difficulty":1861,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.3344577712211,"irt_users":1636,"is_experimental":false},"arc160_d":{"slope":-0.0005723212152759093,"intercept":9.225492713620623,"variance":0.18672207457317813,"difficulty":2485,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.95228228079995,"irt_users":1636,"is_experimental":false},"arc160_e":{"slope":-0.0005871513879847406,"intercept":9.692932301780894,"variance":0.12198053126191528,"difficulty":3284,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.743571221293415,"irt_users":1636,"is_experimental":false},"arc160_f":{"slope":-0.00019910417903610376,"intercept":8.523305314606137,"variance":0.12217145306140884,"difficulty":3202,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.186442288773215,"irt_users":1636,"is_experimental":false},"abc302_a":{"slope":-0.0011612812232534237,"intercept":6.215138868181161,"variance":1.057466150897192,"difficulty":-723,"discrimination":0.004479398673070138,"irt_loglikelihood":-668.1711012275205,"irt_users":6109,"is_experimental":false},"abc302_b":{"slope":-0.0008811760093055743,"intercept":7.94821203669141,"variance":0.3398005344204406,"difficulty":349,"discrimination":0.004479398673070138,"irt_loglikelihood":-2772.6483149957508,"irt_users":6109,"is_experimental":false},"abc302_c":{"slope":-0.0010489368969526347,"intercept":7.795580950983591,"variance":0.5258305909056179,"difficulty":469,"discrimination":0.004479398673070138,"irt_loglikelihood":-3022.9552811865947,"irt_users":7065,"is_experimental":false},"abc302_d":{"slope":-0.0009310675710226338,"intercept":7.7608698504942835,"variance":0.4607412390637149,"difficulty":682,"discrimination":0.004479398673070138,"irt_loglikelihood":-2696.659547402891,"irt_users":7065,"is_experimental":false},"abc302_e":{"slope":-0.0007471107074777489,"intercept":7.76592271865185,"variance":0.3353152669206318,"difficulty":988,"discrimination":0.004479398673070138,"irt_loglikelihood":-2182.7423053714774,"irt_users":7065,"is_experimental":false},"abc302_f":{"slope":-0.0007405788157636616,"intercept":8.299528084295444,"variance":0.28906906659839804,"difficulty":1430,"discrimination":0.004479398673070138,"irt_loglikelihood":-1304.4616428557465,"irt_users":7065,"is_experimental":false},"abc302_g":{"slope":-0.00033439371063761223,"intercept":7.981711833493886,"variance":0.2663448385376405,"difficulty":1891,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.5945991743095,"irt_users":7065,"is_experimental":false},"abc302_h":{"slope":-0.0002844273620268039,"intercept":8.182848715564852,"variance":0.2620998049675852,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.50942541026268,"irt_users":7065,"is_experimental":false},"agc062_a":{"slope":-0.0005603696633569105,"intercept":8.467226456120265,"variance":0.3871423369205568,"difficulty":1099,"discrimination":0.004479398673070138,"irt_loglikelihood":-326.96182332694764,"irt_users":981,"is_experimental":false},"agc062_b":{"slope":-0.0007944024258624854,"intercept":9.89724452993071,"variance":0.34342135006199836,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-275.4444962664965,"irt_users":981,"is_experimental":false},"agc062_c":{"slope":-0.0006288485026465686,"intercept":9.856169993847898,"variance":0.2851305910725592,"difficulty":2320,"discrimination":0.004479398673070138,"irt_loglikelihood":-343.73050974830613,"irt_users":981,"is_experimental":false},"agc062_d":{"difficulty":3274,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.00618749786665,"irt_users":981,"is_experimental":false},"agc062_e":{"difficulty":4233,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.339312778811169,"irt_users":981,"is_experimental":false},"agc062_f":{"is_experimental":false},"abc303_a":{"slope":-0.0008548077794766957,"intercept":6.616246937692108,"variance":0.5729736361976071,"difficulty":-763,"discrimination":0.004479398673070138,"irt_loglikelihood":-646.7948938742668,"irt_users":6311,"is_experimental":false},"abc303_b":{"slope":-0.0010554619962928678,"intercept":7.253582210767775,"variance":0.3517056579048686,"difficulty":-110,"discrimination":0.004479398673070138,"irt_loglikelihood":-1707.2017206549651,"irt_users":6311,"is_experimental":false},"abc303_c":{"slope":-0.0008207363132899715,"intercept":7.87297257574972,"variance":0.3557631876127881,"difficulty":417,"discrimination":0.004479398673070138,"irt_loglikelihood":-3416.4259208891463,"irt_users":7323,"is_experimental":false},"abc303_d":{"slope":-0.0008710859329781142,"intercept":8.150736847603826,"variance":0.3388981749692033,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-2674.224869103,"irt_users":7323,"is_experimental":false},"abc303_e":{"slope":-0.0006890354655891099,"intercept":8.126026356262464,"variance":0.3022646070378141,"difficulty":1113,"discrimination":0.004479398673070138,"irt_loglikelihood":-2084.160224793348,"irt_users":7323,"is_experimental":false},"abc303_f":{"slope":-0.0006675310219760117,"intercept":9.429663007639187,"variance":0.18037314887635608,"difficulty":2381,"discrimination":0.004479398673070138,"irt_loglikelihood":-304.8097498943743,"irt_users":7323,"is_experimental":false},"abc303_g":{"slope":-0.0006167324800024178,"intercept":9.048763485401341,"variance":0.20074335286227815,"difficulty":2736,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.64907594549132,"irt_users":7323,"is_experimental":false},"abc303_h":{"slope":-0.0006859187336514961,"intercept":8.731220100715941,"variance":0.5364716243404637,"difficulty":2501,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.85111694791846,"irt_users":7323,"is_experimental":false},"arc161_a":{"slope":-0.0008469694892406859,"intercept":7.824769234047367,"variance":0.5643077550501826,"difficulty":265,"discrimination":0.004479398673070138,"irt_loglikelihood":-949.1616924988779,"irt_users":2250,"is_experimental":false},"arc161_b":{"slope":-0.0010022379901534154,"intercept":8.465374782901568,"variance":0.5070640223031786,"difficulty":563,"discrimination":0.004479398673070138,"irt_loglikelihood":-852.1153275856086,"irt_users":2250,"is_experimental":false},"arc161_c":{"slope":-0.0005190336524098025,"intercept":8.764670777025474,"variance":0.26046187392889325,"difficulty":1746,"discrimination":0.004479398673070138,"irt_loglikelihood":-694.2180275685462,"irt_users":2250,"is_experimental":false},"arc161_d":{"slope":-0.0006011764233827881,"intercept":8.463715157105616,"variance":0.4597139924584938,"difficulty":1379,"discrimination":0.004479398673070138,"irt_loglikelihood":-841.2060667548114,"irt_users":2250,"is_experimental":false},"arc161_e":{"difficulty":3136,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.43452024500945,"irt_users":2250,"is_experimental":false},"arc161_f":{"slope":-0.00015430198460206234,"intercept":8.591583849133345,"variance":0.2100132516660232,"difficulty":3106,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.1860948791052,"irt_users":2250,"is_experimental":false},"abc304_a":{"slope":-0.0009169846273134712,"intercept":6.934469016024009,"variance":0.49806158569138703,"is_experimental":false},"abc304_b":{"slope":-0.0009163869084212624,"intercept":6.728029295538882,"variance":0.4838077834468152,"is_experimental":false},"abc304_c":{"slope":-0.0012106238345170265,"intercept":7.866017360869483,"variance":0.3968447245614706,"difficulty":365,"discrimination":0.004479398673070138,"irt_loglikelihood":-2863.828964151065,"irt_users":6785,"is_experimental":false},"abc304_d":{"slope":-0.0008774923458675139,"intercept":8.320852874556788,"variance":0.32807299312550386,"difficulty":1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-2359.848926818336,"irt_users":6785,"is_experimental":false},"abc304_e":{"slope":-0.0009881080369022247,"intercept":8.320707964855938,"variance":0.42839458873007696,"difficulty":971,"discrimination":0.004479398673070138,"irt_loglikelihood":-2278.089748079429,"irt_users":6785,"is_experimental":false},"abc304_f":{"slope":-0.0008838958943211867,"intercept":9.011598289120883,"variance":0.2935562378183435,"difficulty":1619,"discrimination":0.004479398673070138,"irt_loglikelihood":-1116.9460203899514,"irt_users":6785,"is_experimental":false},"abc304_g":{"slope":-0.00006992122229707178,"intercept":8.1473194754828,"variance":0.2531437243753433,"difficulty":3177,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.07686840434338,"irt_users":6785,"is_experimental":false},"abc304_h":{"slope":-0.00019631245706394892,"intercept":8.280222038958657,"variance":0.33374692114651794,"difficulty":2642,"discrimination":0.004479398673070138,"irt_loglikelihood":-190.43026971428807,"irt_users":6785,"is_experimental":false},"abc305_a":{"slope":-0.0007844780174687098,"intercept":6.3113263030515565,"variance":0.6224311737512443,"difficulty":-1093,"discrimination":0.004479398673070138,"irt_loglikelihood":-320.0871588579975,"irt_users":6006,"is_experimental":false},"abc305_b":{"slope":-0.0008197145842142547,"intercept":6.414390051570109,"variance":0.3178145104795547,"difficulty":-749,"discrimination":0.004479398673070138,"irt_loglikelihood":-644.9868355431063,"irt_users":6006,"is_experimental":false},"abc305_c":{"slope":-0.0009313575694809074,"intercept":7.4254845509099425,"variance":0.43121464279521043,"difficulty":30,"discrimination":0.004479398673070138,"irt_loglikelihood":-3208.9428241272794,"irt_users":6966,"is_experimental":false},"abc305_d":{"slope":-0.0006778922411595325,"intercept":8.10991765452963,"variance":0.2512069999042902,"difficulty":671,"discrimination":0.004479398673070138,"irt_loglikelihood":-3353.5486851538353,"irt_users":6966,"is_experimental":false},"abc305_e":{"slope":-0.0007869666097330346,"intercept":8.238112238756427,"variance":0.4042251199893327,"difficulty":1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-2187.352067126221,"irt_users":6966,"is_experimental":false},"abc305_f":{"slope":-0.0006037353326364503,"intercept":8.28526731500006,"variance":0.31838002501044405,"difficulty":1420,"discrimination":0.004479398673070138,"irt_loglikelihood":-1452.2979555478732,"irt_users":6966,"is_experimental":false},"abc305_g":{"slope":-0.0005984739268311407,"intercept":8.688553742430406,"variance":0.21888090523253567,"difficulty":1989,"discrimination":0.004479398673070138,"irt_loglikelihood":-581.2619310333755,"irt_users":6966,"is_experimental":false},"abc305_h":{"slope":-0.0002872919236008865,"intercept":8.941837294410142,"variance":0.041846017145679947,"difficulty":3344,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.315273416359204,"irt_users":6966,"is_experimental":false},"ahc020_a":{"difficulty":3705,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.09914217559004,"irt_users":802,"is_experimental":false},"abc306_a":{"slope":-0.0008608792610597184,"intercept":5.8298149258206475,"variance":0.8618204758582172,"is_experimental":false},"abc306_b":{"slope":-0.0007389177112115598,"intercept":6.67467340641589,"variance":1.026792823532742,"is_experimental":false},"abc306_c":{"slope":-0.001040163530069491,"intercept":7.13169595851299,"variance":0.44520336283107875,"difficulty":31,"discrimination":0.004479398673070138,"irt_loglikelihood":-2701.0235810575346,"irt_users":7471,"is_experimental":false},"abc306_d":{"slope":-0.0009951764338195063,"intercept":7.854407846234588,"variance":0.29564387036766476,"difficulty":596,"discrimination":0.004479398673070138,"irt_loglikelihood":-3055.5284168952708,"irt_users":7471,"is_experimental":false},"abc306_e":{"slope":-0.0006873586968030883,"intercept":8.483051081557292,"variance":0.33793288875327865,"difficulty":1268,"discrimination":0.004479398673070138,"irt_loglikelihood":-2057.5714681583654,"irt_users":7471,"is_experimental":false},"abc306_f":{"slope":-0.0007267576593593075,"intercept":8.513454343246098,"variance":0.2532329916933923,"difficulty":1557,"discrimination":0.004479398673070138,"irt_loglikelihood":-1254.7318418830657,"irt_users":7471,"is_experimental":false},"abc306_g":{"slope":-0.0005925307719650704,"intercept":8.886756300314484,"variance":0.18665440117515658,"difficulty":2563,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.2766891669203,"irt_users":7471,"is_experimental":false},"abc306_h":{"slope":-0.00004450288287993867,"intercept":7.854412855006609,"variance":0.2714067228358601,"difficulty":3335,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.99902823936694,"irt_users":7471,"is_experimental":false},"arc162_a":{"slope":-0.0009083462302162766,"intercept":8.156228575043405,"variance":0.49382482805390554,"difficulty":446,"discrimination":0.004479398673070138,"irt_loglikelihood":-1038.4885339807554,"irt_users":2054,"is_experimental":false},"arc162_b":{"slope":-0.0008056310992024602,"intercept":8.983207163636598,"variance":0.24288383350934145,"difficulty":1124,"discrimination":0.004479398673070138,"irt_loglikelihood":-829.833637335791,"irt_users":2054,"is_experimental":false},"arc162_c":{"slope":-0.000727660982883145,"intercept":9.090040014155296,"variance":0.2309795422808002,"difficulty":1655,"discrimination":0.004479398673070138,"irt_loglikelihood":-603.5560656131393,"irt_users":2054,"is_experimental":false},"arc162_d":{"slope":-0.0004673435185048136,"intercept":8.963292931638838,"variance":0.14725641610882745,"difficulty":2568,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.1655101697547,"irt_users":2054,"is_experimental":false},"arc162_e":{"slope":-0.00046448218076586013,"intercept":8.771128481844102,"variance":0.19641176634379653,"difficulty":2780,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.090783299214,"irt_users":2054,"is_experimental":false},"arc162_f":{"slope":-0.0002136530391347703,"intercept":8.391688467116035,"variance":0.17139568397786376,"difficulty":3190,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.128109474740484,"irt_users":2054,"is_experimental":false},"abc307_a":{"slope":-0.0008990151117318472,"intercept":6.2596434164658845,"variance":0.6623881087271003,"difficulty":-1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-263.3683195721141,"irt_users":5886,"is_experimental":false},"abc307_b":{"slope":-0.000933578469740157,"intercept":7.01737527097588,"variance":0.5654044255318436,"difficulty":-298,"discrimination":0.004479398673070138,"irt_loglikelihood":-1482.2812953745263,"irt_users":5886,"is_experimental":false},"abc307_c":{"slope":-0.0006151132898999078,"intercept":8.4200381780304,"variance":0.2609979430117152,"difficulty":1307,"discrimination":0.004479398673070138,"irt_loglikelihood":-2371.148665714169,"irt_users":6833,"is_experimental":false},"abc307_d":{"slope":-0.0007357763243870158,"intercept":8.018318668706106,"variance":0.5516419328964175,"difficulty":666,"discrimination":0.004479398673070138,"irt_loglikelihood":-3640.2759566673776,"irt_users":6833,"is_experimental":false},"abc307_e":{"slope":-0.0008550060703313559,"intercept":8.163614527943128,"variance":0.4876403592963885,"difficulty":1240,"discrimination":0.004479398673070138,"irt_loglikelihood":-2029.450361180173,"irt_users":6833,"is_experimental":false},"abc307_f":{"slope":-0.0003120047600162605,"intercept":8.26705983238813,"variance":0.2439507661253953,"difficulty":2139,"discrimination":0.004479398673070138,"irt_loglikelihood":-570.0968173774429,"irt_users":6833,"is_experimental":false},"abc307_g":{"slope":-0.0005683684276418934,"intercept":8.563176367529147,"variance":0.3464010387327136,"difficulty":2330,"discrimination":0.004479398673070138,"irt_loglikelihood":-389.45173599990335,"irt_users":6833,"is_experimental":false},"abc307_h":{"slope":-0.0003998392282158613,"intercept":8.522307413318556,"variance":0.32233237075048,"difficulty":2754,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.4989602106276,"irt_users":6833,"is_experimental":false},"ahc021_a":{"difficulty":3745,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.452604973843451,"irt_users":967,"is_experimental":false},"abc308_a":{"slope":-0.0008673895221074671,"intercept":6.5280558410898015,"variance":0.6346782422697574,"difficulty":-881,"discrimination":0.004479398673070138,"irt_loglikelihood":-550.4897460706777,"irt_users":6616,"is_experimental":false},"abc308_b":{"slope":-0.0007971763896778482,"intercept":6.782257954217278,"variance":0.30603144329455273,"difficulty":-417,"discrimination":0.004479398673070138,"irt_loglikelihood":-1316.9210782933583,"irt_users":6616,"is_experimental":false},"abc308_c":{"slope":-0.0009323958903207287,"intercept":7.810392524443898,"variance":0.5978857911232915,"difficulty":605,"discrimination":0.004479398673070138,"irt_loglikelihood":-4571.886315241998,"irt_users":7690,"is_experimental":false},"abc308_d":{"slope":-0.0008264719509241379,"intercept":8.01992612426454,"variance":0.3800147290478062,"difficulty":619,"discrimination":0.004479398673070138,"irt_loglikelihood":-3442.3334361084294,"irt_users":7690,"is_experimental":false},"abc308_e":{"slope":-0.000837700356078762,"intercept":8.239294921434531,"variance":0.27364464304541236,"difficulty":1042,"discrimination":0.004479398673070138,"irt_loglikelihood":-2331.8176903103868,"irt_users":7690,"is_experimental":false},"abc308_f":{"slope":-0.0006660353098791878,"intercept":7.886051893682773,"variance":0.35291086337246586,"difficulty":1284,"discrimination":0.004479398673070138,"irt_loglikelihood":-1873.3231013497173,"irt_users":7690,"is_experimental":false},"abc308_g":{"slope":-0.00021491950104243358,"intercept":7.917242323941232,"variance":0.3399986519697962,"difficulty":2008,"discrimination":0.004479398673070138,"irt_loglikelihood":-790.8014307152314,"irt_users":7690,"is_experimental":false},"abc308_h":{"slope":-0.00011535484543478602,"intercept":8.23639970491474,"variance":0.10447999024808538,"difficulty":2861,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.02259414857446,"irt_users":7690,"is_experimental":false},"arc163_a":{"slope":-0.0008862943825012457,"intercept":8.078280878352018,"variance":0.6582704043678607,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-1294.0218046633354,"irt_users":2741,"is_experimental":false},"arc163_b":{"slope":-0.0009030941063075692,"intercept":8.344441344829283,"variance":0.6260751622613675,"difficulty":936,"discrimination":0.004479398673070138,"irt_loglikelihood":-1273.513948331097,"irt_users":2741,"is_experimental":false},"arc163_c":{"slope":-0.0004711291120741166,"intercept":8.640265067052484,"variance":0.3402389205522878,"difficulty":1711,"discrimination":0.004479398673070138,"irt_loglikelihood":-1197.616261183705,"irt_users":2741,"is_experimental":false},"arc163_d":{"slope":-0.00047771101891898885,"intercept":8.850462540269316,"variance":0.40611192129204055,"difficulty":2581,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.03385156861245,"irt_users":2741,"is_experimental":false},"arc163_e":{"difficulty":3338,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.20891025402514,"irt_users":2741,"is_experimental":false},"arc163_f":{"difficulty":3295,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.756069361634616,"irt_users":2741,"is_experimental":false},"abc309_a":{"slope":-0.0006027151942255727,"intercept":6.543497501105457,"variance":0.8998351231082851,"difficulty":-756,"discrimination":0.004479398673070138,"irt_loglikelihood":-843.1604298058292,"irt_users":6898,"is_experimental":false},"abc309_b":{"slope":-0.0008468155034925792,"intercept":7.494004425561749,"variance":0.3155242730042654,"difficulty":-68,"discrimination":0.004479398673070138,"irt_loglikelihood":-2292.5016363818418,"irt_users":6898,"is_experimental":false},"abc309_c":{"slope":-0.0009817538107357658,"intercept":7.694282576953623,"variance":0.3915168295003685,"difficulty":344,"discrimination":0.004479398673070138,"irt_loglikelihood":-3525.5899292930626,"irt_users":7939,"is_experimental":false},"abc309_d":{"slope":-0.0009095062242342726,"intercept":7.809279007888557,"variance":0.26929674943508225,"difficulty":621,"discrimination":0.004479398673070138,"irt_loglikelihood":-3040.6740630883146,"irt_users":7939,"is_experimental":false},"abc309_e":{"slope":-0.0008142323637108594,"intercept":7.937783411755006,"variance":0.3975267677117263,"difficulty":957,"discrimination":0.004479398673070138,"irt_loglikelihood":-2467.120706143421,"irt_users":7939,"is_experimental":false},"abc309_f":{"slope":-0.0006458061107009537,"intercept":8.598382769955931,"variance":0.3513768831927971,"difficulty":1619,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.610107018235,"irt_users":7939,"is_experimental":false},"abc309_g":{"slope":-0.00047576218009031973,"intercept":8.516638466010242,"variance":0.31921046807355935,"difficulty":2372,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.51878141976306,"irt_users":7939,"is_experimental":false},"abc309_h":{"slope":-0.000384560467063401,"intercept":8.543691736626496,"variance":0.2132498407267156,"difficulty":3029,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.27049392684686,"irt_users":7939,"is_experimental":false},"arc164_a":{"slope":-0.001033573391464954,"intercept":8.251726172122929,"variance":0.6740035151334246,"difficulty":532,"discrimination":0.004479398673070138,"irt_loglikelihood":-1388.3935051632386,"irt_users":2820,"is_experimental":false},"arc164_b":{"slope":-0.000712266868834166,"intercept":8.51342262552851,"variance":0.46171708583586396,"difficulty":1189,"discrimination":0.004479398673070138,"irt_loglikelihood":-1505.2076464702648,"irt_users":2820,"is_experimental":false},"arc164_c":{"slope":-0.0005493591425592574,"intercept":8.208043012003317,"variance":0.45432401672715444,"difficulty":1199,"discrimination":0.004479398673070138,"irt_loglikelihood":-1317.2033295220758,"irt_users":2820,"is_experimental":false},"arc164_d":{"slope":-0.0005793394432491559,"intercept":8.818464572797515,"variance":0.238790732573879,"difficulty":1963,"discrimination":0.004479398673070138,"irt_loglikelihood":-634.4123012970588,"irt_users":2820,"is_experimental":false},"arc164_e":{"slope":-0.00026207739361179587,"intercept":8.704137583487999,"variance":0.13557542831069694,"difficulty":2651,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.18506100736332,"irt_users":2820,"is_experimental":false},"arc164_f":{"slope":-0.0006005234722952311,"intercept":9.624856684786419,"variance":0.13702469771252976,"difficulty":3486,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.920071230697786,"irt_users":2820,"is_experimental":false},"abc310_a":{"slope":-0.0008127491253947645,"intercept":6.299785706876653,"variance":0.8241512587959029,"difficulty":-749,"discrimination":0.004479398673070138,"irt_loglikelihood":-841.8021604867348,"irt_users":6786,"is_experimental":false},"abc310_b":{"slope":-0.0008861036034995868,"intercept":7.814348433668534,"variance":0.3302312060973741,"difficulty":171,"discrimination":0.004479398673070138,"irt_loglikelihood":-2839.7230148592585,"irt_users":6786,"is_experimental":false},"abc310_c":{"slope":-0.0010598412590834916,"intercept":7.468741655867449,"variance":0.647850621932805,"difficulty":245,"discrimination":0.004479398673070138,"irt_loglikelihood":-3643.26653678489,"irt_users":7765,"is_experimental":false},"abc310_d":{"slope":-0.0007913928598473836,"intercept":8.439106696743222,"variance":0.3240547016237225,"difficulty":1368,"discrimination":0.004479398673070138,"irt_loglikelihood":-2062.4826587470725,"irt_users":7765,"is_experimental":false},"abc310_e":{"slope":-0.000869882104902027,"intercept":8.475758566762398,"variance":0.4446199766473292,"difficulty":1261,"discrimination":0.004479398673070138,"irt_loglikelihood":-2270.317979268543,"irt_users":7765,"is_experimental":false},"abc310_f":{"slope":-0.0007274851030327072,"intercept":8.585024695361462,"variance":0.3539511197743197,"difficulty":1938,"discrimination":0.004479398673070138,"irt_loglikelihood":-723.6645961656997,"irt_users":7765,"is_experimental":false},"abc310_g":{"slope":-0.000481061387008055,"intercept":8.97492926396936,"variance":0.1452729387303245,"difficulty":2696,"discrimination":0.004479398673070138,"irt_loglikelihood":-138.8878525665857,"irt_users":7765,"is_experimental":false},"abc310_h":{"slope":-0.00014975571054405142,"intercept":8.300380520506275,"variance":0.28923282365100506,"difficulty":3343,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.510758211448756,"irt_users":7765,"is_experimental":false},"abc311_a":{"slope":-0.001044363953922353,"intercept":6.640658636206723,"variance":0.9869030103075068,"difficulty":-876,"discrimination":0.004479398673070138,"irt_loglikelihood":-587.800421525705,"irt_users":7442,"is_experimental":false},"abc311_b":{"slope":-0.000937292696452931,"intercept":6.876442863581132,"variance":0.5663254291475353,"difficulty":-312,"discrimination":0.004479398673070138,"irt_loglikelihood":-1521.0805373009143,"irt_users":7442,"is_experimental":false},"abc311_c":{"slope":-0.0008619700268420163,"intercept":7.7961289652606744,"variance":0.529321753950036,"difficulty":448,"discrimination":0.004479398673070138,"irt_loglikelihood":-4389.23338053869,"irt_users":9464,"is_experimental":false},"abc311_d":{"slope":-0.0007900264473726053,"intercept":8.11884569042245,"variance":0.277962402207074,"difficulty":885,"discrimination":0.004479398673070138,"irt_loglikelihood":-3489.3746759791557,"irt_users":9464,"is_experimental":false},"abc311_e":{"slope":-0.0005120331336725627,"intercept":7.891025851848303,"variance":0.43222952783927315,"difficulty":1293,"discrimination":0.004479398673070138,"irt_loglikelihood":-2524.7597371247607,"irt_users":9464,"is_experimental":false},"abc311_f":{"slope":-0.0006092920057823148,"intercept":8.506983527116768,"variance":0.2753804450217564,"difficulty":1984,"discrimination":0.004479398673070138,"irt_loglikelihood":-789.7713769537265,"irt_users":9464,"is_experimental":false},"abc311_g":{"slope":-0.0003860948460250587,"intercept":8.179594801433142,"variance":0.4045216484613533,"difficulty":2265,"discrimination":0.004479398673070138,"irt_loglikelihood":-501.3332279617427,"irt_users":9464,"is_experimental":false},"abc311_h":{"difficulty":3605,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.881187185515051,"irt_users":9464,"is_experimental":false},"abc312_a":{"slope":-0.0007834400823020198,"intercept":6.217569349938055,"variance":0.9565347340578513,"difficulty":-990,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.00883622724876,"irt_users":6991,"is_experimental":false},"abc312_b":{"slope":-0.000851464682636464,"intercept":7.76707680663359,"variance":0.2533141167899109,"difficulty":153,"discrimination":0.004479398673070138,"irt_loglikelihood":-2748.519689633824,"irt_users":6991,"is_experimental":false},"abc312_c":{"slope":-0.0008116556240452838,"intercept":7.919095923788299,"variance":0.5503170153003003,"difficulty":727,"discrimination":0.004479398673070138,"irt_loglikelihood":-4315.843141180179,"irt_users":8468,"is_experimental":false},"abc312_d":{"slope":-0.0011175539409502948,"intercept":8.090684460567036,"variance":0.5092165936308545,"difficulty":964,"discrimination":0.004479398673070138,"irt_loglikelihood":-3018.187442146184,"irt_users":8468,"is_experimental":false},"abc312_e":{"slope":-0.0005325923207520714,"intercept":8.214656401534329,"variance":0.27478394260234273,"difficulty":2047,"discrimination":0.004479398673070138,"irt_loglikelihood":-869.5297887678488,"irt_users":8468,"is_experimental":false},"abc312_f":{"slope":-0.0005313134839869436,"intercept":8.439555492541565,"variance":0.2937012868980314,"difficulty":1534,"discrimination":0.004479398673070138,"irt_loglikelihood":-1596.3361303896806,"irt_users":8468,"is_experimental":false},"abc312_g":{"slope":-0.0006132929601805602,"intercept":8.181918408908402,"variance":0.392831093572053,"difficulty":1819,"discrimination":0.004479398673070138,"irt_loglikelihood":-1096.9522649561213,"irt_users":8468,"is_experimental":false},"abc312_h":{"slope":-0.00032390849803955516,"intercept":8.209251840665077,"variance":0.2889985988883435,"difficulty":2477,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.38694190734756,"irt_users":8468,"is_experimental":false},"agc063_a":{"slope":-0.0007020877547263815,"intercept":8.19674930806325,"variance":0.5366974828195514,"difficulty":952,"discrimination":0.004479398673070138,"irt_loglikelihood":-514.4154972966891,"irt_users":1271,"is_experimental":false},"agc063_b":{"slope":-0.0006676557840442772,"intercept":9.28554714468215,"variance":0.5250522759373673,"difficulty":1663,"discrimination":0.004479398673070138,"irt_loglikelihood":-728.6811104114506,"irt_users":1271,"is_experimental":false},"agc063_c":{"slope":-0.0005801517361725264,"intercept":9.923192709012467,"variance":0.20985075676863008,"difficulty":2500,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.5306249585374,"irt_users":1271,"is_experimental":false},"agc063_d":{"slope":-0.00026465119386305503,"intercept":9.465437286294058,"variance":0.17665509924050662,"difficulty":3609,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.74455342965168,"irt_users":1271,"is_experimental":false},"agc063_e":{"difficulty":3700,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.81744618318884,"irt_users":1271,"is_experimental":false},"agc063_f":{"difficulty":4273,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.9804955567504887,"irt_users":1271,"is_experimental":false},"abc313_a":{"slope":-0.0009475044393207119,"intercept":6.852720312468574,"variance":0.7627332376223812,"difficulty":-524,"discrimination":0.004479398673070138,"irt_loglikelihood":-1163.802501892363,"irt_users":6923,"is_experimental":false},"abc313_b":{"slope":-0.0008330608341745526,"intercept":7.298184776702167,"variance":0.6983932474361061,"difficulty":147,"discrimination":0.004479398673070138,"irt_loglikelihood":-2902.8260279669803,"irt_users":6923,"is_experimental":false},"abc313_c":{"slope":-0.000889594667491395,"intercept":7.956942876654683,"variance":0.5893818043953888,"difficulty":681,"discrimination":0.004479398673070138,"irt_loglikelihood":-4294.690172333001,"irt_users":8464,"is_experimental":false},"abc313_d":{"slope":-0.0004782044724923186,"intercept":8.530285038602527,"variance":0.25566467109149577,"difficulty":1630,"discrimination":0.004479398673070138,"irt_loglikelihood":-1856.6795930779724,"irt_users":8464,"is_experimental":false},"abc313_e":{"slope":-0.00042321943789328464,"intercept":8.34072407161508,"variance":0.2881733182209394,"difficulty":1672,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.0912911836465,"irt_users":8464,"is_experimental":false},"abc313_f":{"slope":-0.0002727906643364346,"intercept":8.56612770257775,"variance":0.21867860191736985,"difficulty":3100,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.64972100076618,"irt_users":8464,"is_experimental":false},"abc313_g":{"slope":-0.0006457738727245827,"intercept":8.970683668864305,"variance":0.23393003312384686,"difficulty":2454,"discrimination":0.004479398673070138,"irt_loglikelihood":-251.69478865750534,"irt_users":8464,"is_experimental":false},"abc313_h":{"slope":-0.00043481968509835936,"intercept":8.41449798111983,"variance":0.21147750199552925,"difficulty":3008,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.77568454505864,"irt_users":8464,"is_experimental":false},"abc314_a":{"slope":-0.0009413508622166814,"intercept":6.3533123072505955,"variance":1.041756676244799,"difficulty":-630,"discrimination":0.004479398673070138,"irt_loglikelihood":-846.5992655003474,"irt_users":6748,"is_experimental":false},"abc314_b":{"slope":-0.0008353507640174605,"intercept":7.426911372206082,"variance":0.3624830455544839,"difficulty":-34,"discrimination":0.004479398673070138,"irt_loglikelihood":-2069.374243992674,"irt_users":6748,"is_experimental":false},"abc314_c":{"slope":-0.0008267535156773064,"intercept":7.505434840947917,"variance":0.3821741674697818,"difficulty":337,"discrimination":0.004479398673070138,"irt_loglikelihood":-3806.853538309224,"irt_users":8274,"is_experimental":false},"abc314_d":{"slope":-0.0006620234427220066,"intercept":7.796379099116556,"variance":0.29901945963382587,"difficulty":585,"discrimination":0.004479398673070138,"irt_loglikelihood":-3810.29026161354,"irt_users":8274,"is_experimental":false},"abc314_e":{"slope":-0.0008392694339827284,"intercept":8.764384523638592,"variance":0.24350872660652786,"difficulty":1722,"discrimination":0.004479398673070138,"irt_loglikelihood":-1125.6889733120663,"irt_users":8274,"is_experimental":false},"abc314_f":{"slope":-0.0006592955598966727,"intercept":8.601414159133814,"variance":0.23247972229754135,"difficulty":1736,"discrimination":0.004479398673070138,"irt_loglikelihood":-1186.2133683696502,"irt_users":8274,"is_experimental":false},"abc314_g":{"slope":-0.0004197335835521759,"intercept":8.503744063218644,"variance":0.2342312959433538,"difficulty":2301,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.00984987150224,"irt_users":8274,"is_experimental":false},"abc314_h":{"difficulty":2938,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.93856066506413,"irt_users":8274,"is_experimental":false},"agc064_a":{"slope":-0.0006477983342230523,"intercept":8.680861025584333,"variance":0.31839019424709875,"difficulty":996,"discrimination":0.004479398673070138,"irt_loglikelihood":-425.0438431237549,"irt_users":1199,"is_experimental":false},"agc064_b":{"slope":-0.0007632632590054006,"intercept":9.627645565697772,"variance":0.27876867915519654,"difficulty":1787,"discrimination":0.004479398673070138,"irt_loglikelihood":-546.0527476643368,"irt_users":1199,"is_experimental":false},"agc064_c":{"slope":-0.000412966771910113,"intercept":9.516345329642391,"variance":0.1587140060897297,"difficulty":2932,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.69870405113244,"irt_users":1199,"is_experimental":false},"agc064_d":{"slope":-0.000502776322177451,"intercept":9.776901405472124,"variance":0.1705052874267704,"difficulty":2808,"discrimination":0.004479398673070138,"irt_loglikelihood":-168.1792495100734,"irt_users":1199,"is_experimental":false},"agc064_e":{"difficulty":4069,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.695635432557623,"irt_users":1199,"is_experimental":false},"agc064_f":{"is_experimental":false},"abc315_a":{"slope":-0.00105558882573008,"intercept":6.39713834310924,"variance":1.1567150385445362,"difficulty":-997,"discrimination":0.004479398673070138,"irt_loglikelihood":-390.6286207367503,"irt_users":6654,"is_experimental":false},"abc315_b":{"slope":-0.0007740582928092885,"intercept":6.614643568094953,"variance":0.659023969704663,"difficulty":-470,"discrimination":0.004479398673070138,"irt_loglikelihood":-1155.3244594987427,"irt_users":6654,"is_experimental":false},"abc315_c":{"slope":-0.0008082914921296243,"intercept":7.484278338443618,"variance":0.4476569203074089,"difficulty":312,"discrimination":0.004479398673070138,"irt_loglikelihood":-4506.326259888609,"irt_users":8572,"is_experimental":false},"abc315_d":{"slope":-0.0005460625936818947,"intercept":8.401452232839114,"variance":0.21949164701494586,"difficulty":1531,"discrimination":0.004479398673070138,"irt_loglikelihood":-1935.1920967194214,"irt_users":8572,"is_experimental":false},"abc315_e":{"slope":-0.000560226542205473,"intercept":8.117225943802282,"variance":0.4220909474168214,"difficulty":921,"discrimination":0.004479398673070138,"irt_loglikelihood":-3666.9855413862037,"irt_users":8572,"is_experimental":false},"abc315_f":{"slope":-0.0007870769803987169,"intercept":8.576857728675648,"variance":0.292730021715441,"difficulty":1674,"discrimination":0.004479398673070138,"irt_loglikelihood":-1178.0978583080762,"irt_users":8572,"is_experimental":false},"abc315_g":{"slope":-0.00034198569713114497,"intercept":8.395358636917674,"variance":0.24399980836085305,"difficulty":2315,"discrimination":0.004479398673070138,"irt_loglikelihood":-377.0206213156649,"irt_users":8572,"is_experimental":false},"abc315_h":{"slope":-0.00007422193427341215,"intercept":7.43116387640685,"variance":0.6016505591238007,"difficulty":2807,"discrimination":0.004479398673070138,"irt_loglikelihood":-98.18344511740645,"irt_users":8572,"is_experimental":false},"ahc022_a":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.899159543924149,"irt_users":881,"is_experimental":false},"ahc022_b":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.899159543924149,"irt_users":881,"is_experimental":false},"abc317_a":{"slope":-0.0007743274021607886,"intercept":6.3311309546487555,"variance":0.7101780792482058,"difficulty":-942,"discrimination":0.004479398673070138,"irt_loglikelihood":-383.84559365862566,"irt_users":6723,"is_experimental":false},"abc317_b":{"slope":-0.0007485075355435528,"intercept":6.0730594548708545,"variance":0.3705041463385673,"difficulty":-764,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.65264855978,"irt_users":6723,"is_experimental":false},"abc317_c":{"slope":-0.0008237236903770982,"intercept":7.671429229645229,"variance":0.5220642076005173,"difficulty":604,"discrimination":0.004479398673070138,"irt_loglikelihood":-4486.8392742994865,"irt_users":7974,"is_experimental":false},"abc317_d":{"slope":-0.0009418296311406121,"intercept":8.36758076989309,"variance":0.3091469172080913,"difficulty":929,"discrimination":0.004479398673070138,"irt_loglikelihood":-3050.487009577814,"irt_users":7974,"is_experimental":false},"abc317_e":{"slope":-0.0005520239085930971,"intercept":8.107893608390839,"variance":0.21125208310453475,"difficulty":1085,"discrimination":0.004479398673070138,"irt_loglikelihood":-2870.504587709503,"irt_users":7974,"is_experimental":false},"abc317_f":{"slope":-0.0005697407989219988,"intercept":8.708510549893072,"variance":0.19088406834797558,"difficulty":2072,"discrimination":0.004479398673070138,"irt_loglikelihood":-700.5132663134428,"irt_users":7974,"is_experimental":false},"abc317_g":{"slope":-0.0005485946591389315,"intercept":8.453893467519698,"variance":0.4475329949026843,"difficulty":2649,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.90051105035627,"irt_users":7974,"is_experimental":false},"abc317_h":{"slope":-0.0008602356174685921,"intercept":10.561846252849818,"variance":0.05273693162930762,"difficulty":3426,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.053799408352482,"irt_users":7974,"is_experimental":false},"abc318_a":{"slope":-0.001113789270761841,"intercept":6.804722974026886,"variance":1.0327694533176546,"difficulty":-934,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.6800769032144,"irt_users":8032,"is_experimental":false},"abc318_b":{"slope":-0.0007386176776390762,"intercept":6.785482258318107,"variance":0.6293637881829496,"difficulty":-152,"discrimination":0.004479398673070138,"irt_loglikelihood":-2955.9622490231327,"irt_users":8032,"is_experimental":false},"abc318_c":{"slope":-0.0009935182316467741,"intercept":7.656112059308222,"variance":0.3800718354735571,"difficulty":400,"discrimination":0.004479398673070138,"irt_loglikelihood":-5361.104664700504,"irt_users":10564,"is_experimental":false},"abc318_d":{"slope":-0.000835279506457956,"intercept":7.971929205432182,"variance":0.46834226304798665,"difficulty":1017,"discrimination":0.004479398673070138,"irt_loglikelihood":-3392.120754725271,"irt_users":10564,"is_experimental":false},"abc318_e":{"slope":-0.0009933960801293419,"intercept":8.315320673024136,"variance":0.46979854445967717,"difficulty":1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-3074.906805759529,"irt_users":10564,"is_experimental":false},"abc318_f":{"slope":-0.000587231350802542,"intercept":8.660621541825975,"variance":0.3163821162782525,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-808.6808338321837,"irt_users":10564,"is_experimental":false},"abc318_g":{"slope":-0.0007118175451135952,"intercept":8.841966842485578,"variance":0.3324737078291539,"difficulty":2260,"discrimination":0.004479398673070138,"irt_loglikelihood":-563.8102710921108,"irt_users":10564,"is_experimental":false},"abc318_h":{"slope":-0.0002469484143428584,"intercept":8.16699606458211,"variance":0.3240440030320176,"difficulty":2785,"discrimination":0.004479398673070138,"irt_loglikelihood":-127.56842856302902,"irt_users":10564,"is_experimental":false},"wtf22_day1_a":{"slope":-0.0006493084440808033,"intercept":9.247472167015532,"variance":0.7474041875849401,"difficulty":1246,"discrimination":0.004479398673070138,"irt_loglikelihood":-139.2250404743207,"irt_users":312,"is_experimental":false},"wtf22_day1_b":{"slope":-0.00031198526808670537,"intercept":10.021702837508792,"variance":0.1082654084229068,"difficulty":2945,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.43506007257861,"irt_users":312,"is_experimental":false},"wtf22_day1_c":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.6288568743743337,"irt_users":312,"is_experimental":false},"wtf22_day1_d":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.882745060144474,"irt_users":312,"is_experimental":false},"wtf22_day1_e":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.0279790752185685,"irt_users":312,"is_experimental":false},"abc319_a":{"slope":-0.000904217122485529,"intercept":6.767937382946049,"variance":0.7530094190970039,"difficulty":-1069,"discrimination":0.004479398673070138,"irt_loglikelihood":-656.2127647467198,"irt_users":8554,"is_experimental":false},"abc319_b":{"slope":-0.0005459931713262937,"intercept":6.683013867736277,"variance":0.8216291579261374,"difficulty":-299,"discrimination":0.004479398673070138,"irt_loglikelihood":-2808.12980818818,"irt_users":8554,"is_experimental":false},"abc319_c":{"slope":-0.0008080363625082045,"intercept":8.364967378067698,"variance":0.24891279305643935,"difficulty":1111,"discrimination":0.004479398673070138,"irt_loglikelihood":-3323.5268715645857,"irt_users":10983,"is_experimental":false},"abc319_d":{"slope":-0.00023290127897340792,"intercept":7.447014908660905,"variance":0.6360906307968174,"difficulty":631,"discrimination":0.004479398673070138,"irt_loglikelihood":-7381.0320501091555,"irt_users":10983,"is_experimental":false},"abc319_e":{"slope":-0.0006837813628260566,"intercept":8.187279589015898,"variance":0.2858736649755378,"difficulty":1353,"discrimination":0.004479398673070138,"irt_loglikelihood":-2112.3999455827284,"irt_users":10983,"is_experimental":false},"abc319_f":{"slope":-0.00020741719495710796,"intercept":8.324215675268281,"variance":0.19981955483956534,"difficulty":2480,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.31615073705984,"irt_users":10983,"is_experimental":false},"abc319_g":{"slope":-0.000423478637444666,"intercept":8.401133813221785,"variance":0.3030015507322872,"difficulty":2185,"discrimination":0.004479398673070138,"irt_loglikelihood":-580.6508988051896,"irt_users":10983,"is_experimental":false},"wtf22_day2_a":{"slope":-0.00025881203535477843,"intercept":9.397668982928238,"variance":0.17488083438496954,"is_experimental":false},"wtf22_day2_b":{"slope":-0.0012033399525893135,"intercept":13.462721280970424,"variance":0.03201980287226231,"is_experimental":false},"wtf22_day2_c":{"is_experimental":false},"wtf22_day2_d":{"is_experimental":false},"wtf22_day2_e":{"is_experimental":false},"asprocon10_a":{"difficulty":3667,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.999747863643277,"irt_users":745,"is_experimental":false},"asprocon10_b":{"difficulty":3667,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.999747863643277,"irt_users":745,"is_experimental":false},"abc320_a":{"slope":-0.00107017083164908,"intercept":6.324472956766828,"variance":1.4310122546617832,"difficulty":-1061,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.3864992414387,"irt_users":8006,"is_experimental":false},"abc320_b":{"slope":-0.000731865630082085,"intercept":6.565080038978837,"variance":1.0797644922898877,"difficulty":-225,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.7462148747654,"irt_users":8006,"is_experimental":false},"abc320_c":{"slope":-0.0008556073090354528,"intercept":8.253739205161342,"variance":0.31356850861915847,"difficulty":851,"discrimination":0.004479398673070138,"irt_loglikelihood":-4326.452951620184,"irt_users":10478,"is_experimental":false},"abc320_d":{"slope":-0.0009319718844723775,"intercept":8.205688815036813,"variance":0.364855150862846,"difficulty":873,"discrimination":0.004479398673070138,"irt_loglikelihood":-3626.059123291624,"irt_users":10478,"is_experimental":false},"abc320_e":{"slope":-0.0007242941242798165,"intercept":7.869559875573299,"variance":0.27997750133485527,"difficulty":1096,"discrimination":0.004479398673070138,"irt_loglikelihood":-2571.849160131308,"irt_users":10478,"is_experimental":false},"abc320_f":{"slope":-0.0006034584668266827,"intercept":8.868386006935,"variance":0.215198013979193,"difficulty":2042,"discrimination":0.004479398673070138,"irt_loglikelihood":-655.1195861243555,"irt_users":10478,"is_experimental":false},"abc320_g":{"slope":-0.000415385486098052,"intercept":8.66462065961332,"variance":0.3887037255488628,"difficulty":2575,"discrimination":0.004479398673070138,"irt_loglikelihood":-249.05226650124555,"irt_users":10478,"is_experimental":false},"arc165_a":{"slope":-0.000946278520835247,"intercept":8.096232998734616,"variance":0.5442757074340802,"difficulty":275,"discrimination":0.004479398673070138,"irt_loglikelihood":-683.0275024502188,"irt_users":2350,"is_experimental":false},"arc165_b":{"slope":-0.0004740464074182749,"intercept":8.64116914409887,"variance":0.37770347847633867,"difficulty":1364,"discrimination":0.004479398673070138,"irt_loglikelihood":-1256.2569364165845,"irt_users":2350,"is_experimental":false},"arc165_c":{"slope":-0.0007068194287820215,"intercept":9.019448953252068,"variance":0.30614375382966025,"difficulty":1743,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.6356831584535,"irt_users":2350,"is_experimental":false},"arc165_d":{"slope":-0.0003372634512415862,"intercept":8.690336111279198,"variance":0.2472142417471077,"difficulty":2589,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.82326390234624,"irt_users":2350,"is_experimental":false},"arc165_e":{"slope":-0.0003636021869254352,"intercept":8.708548446048127,"variance":0.180399365655429,"difficulty":2783,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.04662005785562,"irt_users":2350,"is_experimental":false},"arc165_f":{"slope":-0.0004451344317012678,"intercept":8.924852792184144,"variance":0.06332647658230457,"difficulty":3235,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.154344258153365,"irt_users":2350,"is_experimental":false},"abc321_a":{"slope":-0.0011890929342521946,"intercept":6.997032282833449,"variance":1.0145708560196387,"difficulty":-754,"discrimination":0.004479398673070138,"irt_loglikelihood":-948.610391418264,"irt_users":8446,"is_experimental":false},"abc321_b":{"slope":-0.0008482751146214217,"intercept":7.276371398708581,"variance":0.7427823893440602,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-3645.0789952860478,"irt_users":8446,"is_experimental":false},"abc321_c":{"slope":-0.00030299191431255873,"intercept":7.164969269025851,"variance":0.9863922034874972,"difficulty":591,"discrimination":0.004479398673070138,"irt_loglikelihood":-7033.354553449338,"irt_users":11118,"is_experimental":false},"abc321_d":{"slope":-0.0010058229556358725,"intercept":8.087452273868054,"variance":0.378757991938594,"difficulty":806,"discrimination":0.004479398673070138,"irt_loglikelihood":-4004.747952695459,"irt_users":11118,"is_experimental":false},"abc321_e":{"slope":-0.000596530431083037,"intercept":8.590560320007386,"variance":0.27716172895946045,"difficulty":1627,"discrimination":0.004479398673070138,"irt_loglikelihood":-1514.213041153945,"irt_users":11118,"is_experimental":false},"abc321_f":{"slope":-0.0005361882197964022,"intercept":7.871406771395527,"variance":0.6009252455627371,"difficulty":1645,"discrimination":0.004479398673070138,"irt_loglikelihood":-1727.945762543273,"irt_users":11118,"is_experimental":false},"abc321_g":{"slope":-0.0004348753660021967,"intercept":8.544540981739033,"variance":0.2281521201035115,"difficulty":2439,"discrimination":0.004479398673070138,"irt_loglikelihood":-281.8475237412755,"irt_users":11118,"is_experimental":false},"ahc024_a":{"difficulty":3660,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.857162103263944,"irt_users":648,"is_experimental":false},"abc322_a":{"slope":-0.0010970803023707314,"intercept":6.6947456246480455,"variance":0.9717559364918601,"difficulty":-992,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.5701816538505,"irt_users":8360,"is_experimental":false},"abc322_b":{"slope":-0.0005725970959382159,"intercept":6.2488516031140255,"variance":0.7794068261331127,"difficulty":-398,"discrimination":0.004479398673070138,"irt_loglikelihood":-1793.088346750511,"irt_users":8360,"is_experimental":false},"abc322_c":{"slope":-0.0007423238170598777,"intercept":6.488163523695641,"variance":0.7466076803352406,"difficulty":-56,"discrimination":0.004479398673070138,"irt_loglikelihood":-4711.604016790201,"irt_users":10990,"is_experimental":false},"abc322_d":{"slope":-0.0006749674136279097,"intercept":8.644192862398052,"variance":0.1903440575711625,"difficulty":1310,"discrimination":0.004479398673070138,"irt_loglikelihood":-2733.571203891571,"irt_users":10990,"is_experimental":false},"abc322_e":{"slope":-0.0008645765266316203,"intercept":8.68940617032198,"variance":0.2775475642086059,"difficulty":1193,"discrimination":0.004479398673070138,"irt_loglikelihood":-2509.500954196756,"irt_users":10990,"is_experimental":false},"abc322_f":{"slope":-0.00030460487801424436,"intercept":7.867036461089769,"variance":0.3882434001624257,"difficulty":1806,"discrimination":0.004479398673070138,"irt_loglikelihood":-1616.5845289527833,"irt_users":10990,"is_experimental":false},"abc322_g":{"slope":-0.0003721711375347483,"intercept":8.850627663713759,"variance":0.1670358643321344,"difficulty":2876,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.48632509841691,"irt_users":10990,"is_experimental":false},"abc323_a":{"slope":-0.001129802495982943,"intercept":6.718764393912901,"variance":0.9670916546563222,"difficulty":-921,"discrimination":0.004479398673070138,"irt_loglikelihood":-633.4379117603348,"irt_users":8553,"is_experimental":false},"abc323_b":{"slope":-0.0005166124260202346,"intercept":6.282010404524927,"variance":1.134796265735311,"difficulty":-267,"discrimination":0.004479398673070138,"irt_loglikelihood":-2196.189549594299,"irt_users":8553,"is_experimental":false},"abc323_c":{"slope":-0.0006700089030341895,"intercept":7.640998468536724,"variance":0.4037485620581771,"difficulty":354,"discrimination":0.004479398673070138,"irt_loglikelihood":-6042.498384636226,"irt_users":11410,"is_experimental":false},"abc323_d":{"slope":-0.0008221423948626651,"intercept":7.938273551127317,"variance":0.5170625552842414,"difficulty":852,"discrimination":0.004479398673070138,"irt_loglikelihood":-4003.52992777555,"irt_users":11410,"is_experimental":false},"abc323_e":{"slope":-0.0009665006158803834,"intercept":8.539534170958476,"variance":0.3426631170785864,"difficulty":1279,"discrimination":0.004479398673070138,"irt_loglikelihood":-2074.9799921472136,"irt_users":11410,"is_experimental":false},"abc323_f":{"slope":-0.000445564755534733,"intercept":8.244301598936646,"variance":0.2371541705405186,"difficulty":1532,"discrimination":0.004479398673070138,"irt_loglikelihood":-1658.7525920681014,"irt_users":11410,"is_experimental":false},"abc323_g":{"slope":-0.001346301465885907,"intercept":10.935437264025548,"variance":0.745143910241938,"difficulty":3091,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.78692978486767,"irt_users":11410,"is_experimental":false},"arc166_a":{"slope":-0.0008561902211853834,"intercept":8.895596360329229,"variance":0.31483101163860466,"difficulty":1126,"discrimination":0.004479398673070138,"irt_loglikelihood":-1110.8329766899897,"irt_users":2143,"is_experimental":false},"arc166_b":{"slope":-0.001109514562036497,"intercept":9.266868301583177,"variance":0.425748730093293,"difficulty":1134,"discrimination":0.004479398673070138,"irt_loglikelihood":-912.7816792992835,"irt_users":2143,"is_experimental":false},"arc166_c":{"slope":-0.0005695430160278424,"intercept":8.592469046624894,"variance":0.2743142507508984,"difficulty":1813,"discrimination":0.004479398673070138,"irt_loglikelihood":-720.7937784382059,"irt_users":2143,"is_experimental":false},"arc166_d":{"slope":-0.00037822848384506925,"intercept":8.254748248111657,"variance":0.3185762102248008,"difficulty":2192,"discrimination":0.004479398673070138,"irt_loglikelihood":-437.78525209141844,"irt_users":2143,"is_experimental":false},"arc166_e":{"slope":-0.00024041334205295088,"intercept":8.879391170337989,"variance":0.09821278832107723,"difficulty":3279,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.24740867865782,"irt_users":2143,"is_experimental":false},"arc166_f":{"difficulty":3692,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.941456878354924,"irt_users":2143,"is_experimental":false},"abc324_a":{"slope":-0.001248650700865956,"intercept":6.3941869194127205,"variance":1.0973516504959873,"difficulty":-922,"discrimination":0.004479398673070138,"irt_loglikelihood":-463.22442066781804,"irt_users":7649,"is_experimental":false},"abc324_b":{"slope":-0.0011397865253849867,"intercept":6.537574787646014,"variance":0.9773050772534505,"difficulty":-193,"discrimination":0.004479398673070138,"irt_loglikelihood":-2112.036506464906,"irt_users":7649,"is_experimental":false},"abc324_c":{"slope":-0.0007555376138301232,"intercept":8.101753470014135,"variance":0.3585178869954466,"difficulty":637,"discrimination":0.004479398673070138,"irt_loglikelihood":-4717.485869206719,"irt_users":9512,"is_experimental":false},"abc324_d":{"slope":-0.0007985794676276744,"intercept":8.267575269218346,"variance":0.3510687368347124,"difficulty":895,"discrimination":0.004479398673070138,"irt_loglikelihood":-3249.89149948838,"irt_users":9512,"is_experimental":false},"abc324_e":{"slope":-0.0006570721931904224,"intercept":8.065375288155147,"variance":0.33070101459339674,"difficulty":1153,"discrimination":0.004479398673070138,"irt_loglikelihood":-2419.403407509613,"irt_users":9512,"is_experimental":false},"abc324_f":{"slope":-0.0009642846626463071,"intercept":8.849475804931766,"variance":0.45739605967078717,"difficulty":1815,"discrimination":0.004479398673070138,"irt_loglikelihood":-1071.0960646903363,"irt_users":9512,"is_experimental":false},"abc324_g":{"slope":-0.0004713299974801954,"intercept":8.897999108705337,"variance":0.18068337664910056,"difficulty":2501,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.7094857565313,"irt_users":9512,"is_experimental":false},"arc167_a":{"slope":-0.000857149598817237,"intercept":7.775976833359023,"variance":0.4398471896881666,"difficulty":3,"discrimination":0.004479398673070138,"irt_loglikelihood":-572.3434348780457,"irt_users":2607,"is_experimental":false},"arc167_b":{"slope":-0.0006588931127378585,"intercept":9.065259183373408,"variance":0.32077066097807283,"difficulty":1292,"discrimination":0.004479398673070138,"irt_loglikelihood":-1321.611412588,"irt_users":2607,"is_experimental":false},"arc167_c":{"slope":-0.0001708454273923861,"intercept":8.373649652124767,"variance":0.18347185972322502,"difficulty":2388,"discrimination":0.004479398673070138,"irt_loglikelihood":-337.4662935083945,"irt_users":2607,"is_experimental":false},"arc167_d":{"slope":-0.0003371584760421599,"intercept":8.597269586603595,"variance":0.20248511237959158,"difficulty":2313,"discrimination":0.004479398673070138,"irt_loglikelihood":-511.6491642634921,"irt_users":2607,"is_experimental":false},"arc167_e":{"slope":-0.0001566143191388264,"intercept":8.492222024102347,"variance":0.13382425104112466,"difficulty":3271,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.99978659863967,"irt_users":2607,"is_experimental":false},"arc167_f":{"difficulty":3951,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.459509577370768,"irt_users":2607,"is_experimental":false},"abc325_a":{"slope":-0.0008791412402026458,"intercept":5.663943374179667,"variance":0.9360038526777608,"difficulty":-1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.21839904789994,"irt_users":6357,"is_experimental":false},"abc325_b":{"slope":-0.0010414411043030642,"intercept":7.481935607171764,"variance":0.443811246070385,"difficulty":61,"discrimination":0.004479398673070138,"irt_loglikelihood":-2270.4126000040255,"irt_users":6357,"is_experimental":false},"abc325_c":{"slope":-0.0009072992475477521,"intercept":7.691092517708336,"variance":0.4642148713497018,"difficulty":400,"discrimination":0.004479398673070138,"irt_loglikelihood":-3159.404209190475,"irt_users":7318,"is_experimental":false},"abc325_d":{"slope":-0.0007290734495317035,"intercept":8.480434445662773,"variance":0.2686753960635907,"difficulty":1367,"discrimination":0.004479398673070138,"irt_loglikelihood":-1801.9012577333058,"irt_users":7318,"is_experimental":false},"abc325_e":{"slope":-0.0008720117202858937,"intercept":8.482432510014089,"variance":0.3454744470856037,"difficulty":1093,"discrimination":0.004479398673070138,"irt_loglikelihood":-2049.7668256380766,"irt_users":7318,"is_experimental":false},"abc325_f":{"slope":-0.000680382342843515,"intercept":8.469755648821629,"variance":0.24637116238826903,"difficulty":1769,"discrimination":0.004479398673070138,"irt_loglikelihood":-852.9448890310684,"irt_users":7318,"is_experimental":false},"abc325_g":{"slope":-0.0006615882849192963,"intercept":9.056847569371607,"variance":0.3947966596944843,"difficulty":2388,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.5011218436551,"irt_users":7318,"is_experimental":false},"ahc025_a":{"difficulty":3765,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.178420892533671,"irt_users":828,"is_experimental":false},"ahc025_b":{"difficulty":3765,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.178420892533671,"irt_users":828,"is_experimental":false},"abc326_a":{"slope":-0.0009636570543519814,"intercept":6.498371608611788,"variance":0.7306814966111987,"difficulty":-665,"discrimination":0.004479398673070138,"irt_loglikelihood":-972.7944975553738,"irt_users":7412,"is_experimental":false},"abc326_b":{"slope":-0.0009357561152080337,"intercept":6.391879272749688,"variance":0.4972070681378736,"difficulty":-503,"discrimination":0.004479398673070138,"irt_loglikelihood":-1216.8026805165082,"irt_users":7412,"is_experimental":false},"abc326_c":{"slope":-0.0010887071001174043,"intercept":7.400933133225033,"variance":0.7384875404563991,"difficulty":274,"discrimination":0.004479398673070138,"irt_loglikelihood":-3656.257167177866,"irt_users":8702,"is_experimental":false},"abc326_d":{"slope":-0.0006062888884254105,"intercept":8.544475127405471,"variance":0.2479135219807589,"difficulty":1371,"discrimination":0.004479398673070138,"irt_loglikelihood":-2349.5028781253536,"irt_users":8702,"is_experimental":false},"abc326_e":{"slope":-0.0008716764088271374,"intercept":8.580834134904407,"variance":0.4653603317969219,"difficulty":1363,"discrimination":0.004479398673070138,"irt_loglikelihood":-1961.7578513532126,"irt_users":8702,"is_experimental":false},"abc326_f":{"slope":-0.0006763936651435445,"intercept":8.84940585544923,"variance":0.1854022579644949,"difficulty":1870,"discrimination":0.004479398673070138,"irt_loglikelihood":-826.7689731340496,"irt_users":8702,"is_experimental":false},"abc326_g":{"slope":-0.000494091142915337,"intercept":8.369459788022757,"variance":0.26579813063418345,"difficulty":2470,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.02019828060892,"irt_users":8702,"is_experimental":false},"abc327_a":{"slope":-0.001014246334319775,"intercept":6.383518614657969,"variance":0.8578004137676949,"difficulty":-738,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.4199596350833,"irt_users":7489,"is_experimental":false},"abc327_b":{"slope":-0.001032554326987188,"intercept":7.104361643493095,"variance":0.7540564977652694,"difficulty":-54,"discrimination":0.004479398673070138,"irt_loglikelihood":-2469.166841421867,"irt_users":7489,"is_experimental":false},"abc327_c":{"slope":-0.0009936646304441576,"intercept":7.39086134287559,"variance":0.3878352185385734,"difficulty":55,"discrimination":0.004479398673070138,"irt_loglikelihood":-3179.1702370496787,"irt_users":8675,"is_experimental":false},"abc327_d":{"slope":-0.0010480089476637257,"intercept":8.187871324019195,"variance":0.44072542134786763,"difficulty":709,"discrimination":0.004479398673070138,"irt_loglikelihood":-3204.2679034646176,"irt_users":8675,"is_experimental":false},"abc327_e":{"slope":-0.0007132875396241499,"intercept":8.39237670437242,"variance":0.35946016442518913,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-2188.112711516582,"irt_users":8675,"is_experimental":false},"abc327_f":{"slope":-0.0005158307279462478,"intercept":8.336611656809922,"variance":0.33732372149722145,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-1434.951767174736,"irt_users":8675,"is_experimental":false},"abc327_g":{"slope":-0.0002970118601801438,"intercept":8.680946627380477,"variance":0.23792897915431765,"difficulty":2968,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.44540949071516,"irt_users":8675,"is_experimental":false},"ahc026_a":{"difficulty":3755,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.555326465258762,"irt_users":726,"is_experimental":false},"abc328_a":{"slope":-0.0009222714010375046,"intercept":5.922291166509292,"variance":0.8236862116103568,"difficulty":-1141,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.4311598341536,"irt_users":7329,"is_experimental":false},"abc328_b":{"slope":-0.0010574946709324573,"intercept":7.27923484247744,"variance":0.3779404418713888,"difficulty":-213,"discrimination":0.004479398673070138,"irt_loglikelihood":-1828.8602202097034,"irt_users":7329,"is_experimental":false},"abc328_c":{"slope":-0.00105677602675798,"intercept":7.305172714413584,"variance":0.4571129417699291,"difficulty":189,"discrimination":0.004479398673070138,"irt_loglikelihood":-3457.1644323279734,"irt_users":8513,"is_experimental":false},"abc328_d":{"slope":-0.0010435541746416648,"intercept":7.716092157980276,"variance":0.6750400051147254,"difficulty":555,"discrimination":0.004479398673070138,"irt_loglikelihood":-3918.4823729185177,"irt_users":8513,"is_experimental":false},"abc328_e":{"slope":-0.0007244114505183192,"intercept":8.264684554668985,"variance":0.34679846089066463,"difficulty":1160,"discrimination":0.004479398673070138,"irt_loglikelihood":-2472.8286684705167,"irt_users":8513,"is_experimental":false},"abc328_f":{"slope":-0.000730896318453742,"intercept":8.365388797520392,"variance":0.5095352338399787,"difficulty":1477,"discrimination":0.004479398673070138,"irt_loglikelihood":-1605.6117315494903,"irt_users":8513,"is_experimental":false},"abc328_g":{"slope":-0.0003847817945942868,"intercept":8.384253965856619,"variance":0.2955270187551915,"difficulty":2193,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.94258546362823,"irt_users":8513,"is_experimental":false},"abc329_a":{"slope":-0.0009886173634996848,"intercept":5.67049916159332,"variance":1.0223861540670718,"difficulty":-1120,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.7362872688497,"irt_users":7081,"is_experimental":false},"abc329_b":{"slope":-0.000952101292970868,"intercept":6.065707462853684,"variance":0.47633920647456174,"difficulty":-802,"discrimination":0.004479398673070138,"irt_loglikelihood":-596.0678500204799,"irt_users":7081,"is_experimental":false},"abc329_c":{"slope":-0.0011657259399821458,"intercept":7.562787562499318,"variance":0.47151019540748945,"difficulty":133,"discrimination":0.004479398673070138,"irt_loglikelihood":-3282.280461340038,"irt_users":8200,"is_experimental":false},"abc329_d":{"slope":-0.0009374763033484542,"intercept":7.387962449892562,"variance":0.47258334608854924,"difficulty":232,"discrimination":0.004479398673070138,"irt_loglikelihood":-3397.188713552637,"irt_users":8200,"is_experimental":false},"abc329_e":{"slope":-0.0007002643100825358,"intercept":8.64465306710567,"variance":0.37881789792377485,"difficulty":1539,"discrimination":0.004479398673070138,"irt_loglikelihood":-1751.246907233294,"irt_users":8200,"is_experimental":false},"abc329_f":{"slope":-0.0008743022615091225,"intercept":8.459634713996707,"variance":0.5750073466203283,"difficulty":1207,"discrimination":0.004479398673070138,"irt_loglikelihood":-2314.4765474937676,"irt_users":8200,"is_experimental":false},"abc329_g":{"slope":-0.0002070270436166415,"intercept":8.851553345931768,"variance":0.07371593788127226,"difficulty":2995,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.789228265321185,"irt_users":8200,"is_experimental":false},"arc168_a":{"slope":-0.0010598029725870874,"intercept":7.946668018765447,"variance":0.612814764857447,"difficulty":64,"discrimination":0.004479398673070138,"irt_loglikelihood":-459.25159303959055,"irt_users":2152,"is_experimental":false},"arc168_b":{"slope":-0.0010667817490189152,"intercept":9.086628924253233,"variance":0.4347014576392373,"difficulty":1289,"discrimination":0.004479398673070138,"irt_loglikelihood":-924.404793802808,"irt_users":2152,"is_experimental":false},"arc168_c":{"slope":-0.000882299784168814,"intercept":9.77663077986603,"variance":0.23207466563898602,"difficulty":2071,"discrimination":0.004479398673070138,"irt_loglikelihood":-441.27223660731454,"irt_users":2152,"is_experimental":false},"arc168_d":{"slope":-0.00041875919099555373,"intercept":8.417531551281018,"variance":0.48896834020139573,"difficulty":2440,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.8686356246736,"irt_users":2152,"is_experimental":false},"arc168_e":{"slope":-0.00006812018985890973,"intercept":8.118054663863271,"variance":0.16693416648742912,"difficulty":3001,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.56807935550704,"irt_users":2152,"is_experimental":false},"arc168_f":{"is_experimental":false},"abc330_a":{"slope":-0.0008919885870778713,"intercept":5.753193194813592,"variance":0.9163730774490656,"difficulty":-1185,"discrimination":0.004479398673070138,"irt_loglikelihood":-277.8549369134232,"irt_users":7107,"is_experimental":false},"abc330_b":{"slope":-0.0010185514989080363,"intercept":7.228724677056617,"variance":0.6018166691588078,"difficulty":-88,"discrimination":0.004479398673070138,"irt_loglikelihood":-2429.864296571987,"irt_users":7107,"is_experimental":false},"abc330_c":{"slope":-0.0009761190568533685,"intercept":7.842362418384862,"variance":0.5829439568429143,"difficulty":519,"discrimination":0.004479398673070138,"irt_loglikelihood":-3857.976347213627,"irt_users":8185,"is_experimental":false},"abc330_d":{"slope":-0.001033800605016706,"intercept":7.845637937290502,"variance":0.4692213245902408,"difficulty":569,"discrimination":0.004479398673070138,"irt_loglikelihood":-3528.0399424947313,"irt_users":8185,"is_experimental":false},"abc330_e":{"slope":-0.0007710102645588571,"intercept":8.03368516025351,"variance":0.4943097673513181,"difficulty":1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-2561.8016617605367,"irt_users":8185,"is_experimental":false},"abc330_f":{"slope":-0.0005826361458972045,"intercept":8.687513594590417,"variance":0.2302341263961496,"difficulty":1718,"discrimination":0.004479398673070138,"irt_loglikelihood":-1089.2514593258836,"irt_users":8185,"is_experimental":false},"abc330_g":{"difficulty":3455,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.192054392282246,"irt_users":8185,"is_experimental":false},"abc331_a":{"slope":-0.0009349989184688151,"intercept":6.6774515776689976,"variance":0.6955199337017289,"difficulty":-704,"discrimination":0.004479398673070138,"irt_loglikelihood":-943.3701442158973,"irt_users":7333,"is_experimental":false},"abc331_b":{"slope":-0.00106024924662768,"intercept":7.297272247671356,"variance":0.5407000723102147,"difficulty":85,"discrimination":0.004479398673070138,"irt_loglikelihood":-2644.173412957145,"irt_users":7333,"is_experimental":false},"abc331_c":{"slope":-0.0011958321580331705,"intercept":7.648261862911564,"variance":0.47519191877385414,"difficulty":268,"discrimination":0.004479398673070138,"irt_loglikelihood":-3328.050655056211,"irt_users":8458,"is_experimental":false},"abc331_d":{"slope":-0.0006164106147115079,"intercept":8.35355947947075,"variance":0.2869387813224396,"difficulty":1361,"discrimination":0.004479398673070138,"irt_loglikelihood":-2222.4762783710185,"irt_users":8458,"is_experimental":false},"abc331_e":{"slope":-0.0008569189594611087,"intercept":8.336996554572728,"variance":0.4704769152755478,"difficulty":1018,"discrimination":0.004479398673070138,"irt_loglikelihood":-2823.2967721923196,"irt_users":8458,"is_experimental":false},"abc331_f":{"slope":-0.0003456660616975151,"intercept":7.896486295047123,"variance":0.3853187784567231,"difficulty":1666,"discrimination":0.004479398673070138,"irt_loglikelihood":-1558.3120681603168,"irt_users":8458,"is_experimental":false},"abc331_g":{"slope":-0.0008477909847196876,"intercept":9.498491049702967,"variance":0.2936237055565031,"difficulty":2668,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.46078462741656,"irt_users":8458,"is_experimental":false},"arc169_a":{"slope":-0.001011624976482172,"intercept":9.242986478199635,"variance":0.4232676978403125,"difficulty":1171,"discrimination":0.004479398673070138,"irt_loglikelihood":-1579.6026710270446,"irt_users":4140,"is_experimental":false},"arc169_b":{"slope":-0.0009484377360782658,"intercept":8.858417074178451,"variance":0.5049657841372545,"difficulty":1387,"discrimination":0.004479398673070138,"irt_loglikelihood":-1244.428156178299,"irt_users":4140,"is_experimental":false},"arc169_c":{"slope":-0.0006392816790036516,"intercept":9.061641564629022,"variance":0.23620458101109792,"difficulty":2005,"discrimination":0.004479398673070138,"irt_loglikelihood":-607.0129538215273,"irt_users":4140,"is_experimental":false},"arc169_d":{"slope":-0.00037209298140928183,"intercept":8.91196598326124,"variance":0.2060336146683265,"difficulty":2812,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.09723256945085,"irt_users":4140,"is_experimental":false},"arc169_e":{"slope":-0.00031573181615987187,"intercept":8.749823000467888,"variance":0.24688569273505764,"difficulty":3333,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.93724926422074,"irt_users":4140,"is_experimental":false},"arc169_f":{"slope":-0.00008156438949798183,"intercept":8.180245097166805,"variance":0.38625816621435866,"difficulty":3434,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.531056473191022,"irt_users":4140,"is_experimental":false},"abc332_a":{"slope":-0.0008570354671159851,"intercept":6.180498253885467,"variance":0.6112229750822679,"difficulty":-1099,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.0989597084919,"irt_users":6072,"is_experimental":false},"abc332_b":{"slope":-0.000898454170924749,"intercept":6.988234556100683,"variance":0.42581403026100556,"difficulty":-265,"discrimination":0.004479398673070138,"irt_loglikelihood":-1525.4563866312865,"irt_users":6072,"is_experimental":false},"abc332_c":{"slope":-0.0008050920072417863,"intercept":7.288206616859432,"variance":0.38365915865292666,"difficulty":36,"discrimination":0.004479398673070138,"irt_loglikelihood":-2936.0374184639413,"irt_users":6872,"is_experimental":false},"abc332_d":{"slope":-0.0009667192219030582,"intercept":8.535767436903225,"variance":0.38683581358357205,"difficulty":1175,"discrimination":0.004479398673070138,"irt_loglikelihood":-2209.9537421994924,"irt_users":6872,"is_experimental":false},"abc332_e":{"slope":-0.000540496069715611,"intercept":8.617233032897703,"variance":0.4001798204457069,"difficulty":1883,"discrimination":0.004479398673070138,"irt_loglikelihood":-939.4558889841765,"irt_users":6872,"is_experimental":false},"abc332_f":{"slope":-0.0005064186492416743,"intercept":8.388374722613662,"variance":0.38295664992132894,"difficulty":1786,"discrimination":0.004479398673070138,"irt_loglikelihood":-1031.8663834892996,"irt_users":6872,"is_experimental":false},"abc332_g":{"slope":-0.000391916806117822,"intercept":8.57148688451512,"variance":0.33400043783954797,"difficulty":2775,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.41388961055354,"irt_users":6872,"is_experimental":false},"ahc027_a":{"difficulty":3707,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.488673053730142,"irt_users":853,"is_experimental":false},"ahc027_b":{"difficulty":3707,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.488673053730142,"irt_users":853,"is_experimental":false},"abc333_a":{"slope":-0.0011463302931128362,"intercept":5.845220203323112,"variance":1.2369865375674203,"difficulty":-1203,"discrimination":0.004479398673070138,"irt_loglikelihood":-332.3302937108589,"irt_users":8129,"is_experimental":false},"abc333_b":{"slope":-0.0008182552984061605,"intercept":7.046398242643975,"variance":0.5831475601067239,"difficulty":-202,"discrimination":0.004479398673070138,"irt_loglikelihood":-2535.359559135473,"irt_users":8129,"is_experimental":false},"abc333_c":{"slope":-0.0006271002115584016,"intercept":7.2671731899382435,"variance":0.720733892533215,"difficulty":224,"discrimination":0.004479398673070138,"irt_loglikelihood":-5264.772562378687,"irt_users":9800,"is_experimental":false},"abc333_d":{"slope":-0.0010251959480242984,"intercept":8.019366917530355,"variance":0.39652774213826086,"difficulty":704,"discrimination":0.004479398673070138,"irt_loglikelihood":-3318.730177295409,"irt_users":9800,"is_experimental":false},"abc333_e":{"slope":-0.0006910875562358104,"intercept":7.902587294007333,"variance":0.26196540460219264,"difficulty":948,"discrimination":0.004479398673070138,"irt_loglikelihood":-2706.9211662276516,"irt_users":9800,"is_experimental":false},"abc333_f":{"slope":-0.0006298053070344323,"intercept":8.645666719964948,"variance":0.2090768729807096,"difficulty":1770,"discrimination":0.004479398673070138,"irt_loglikelihood":-1168.3659092325659,"irt_users":9800,"is_experimental":false},"abc333_g":{"slope":-0.00021838854328440016,"intercept":8.244112182709522,"variance":0.4032332983153024,"difficulty":2536,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.17786450207768,"irt_users":9800,"is_experimental":false},"agc065_a":{"slope":-0.000806862852055807,"intercept":9.936243885158264,"variance":0.3334713056607923,"difficulty":1701,"discrimination":0.004479398673070138,"irt_loglikelihood":-589.9336698309303,"irt_users":1115,"is_experimental":false},"agc065_b":{"slope":-0.0007924798164315015,"intercept":9.78596127021577,"variance":0.33333047862121246,"difficulty":2193,"discrimination":0.004479398673070138,"irt_loglikelihood":-354.16911388588954,"irt_users":1115,"is_experimental":false},"agc065_c":{"slope":-0.0005399996954921931,"intercept":9.524432876601114,"variance":0.2557621324455122,"difficulty":2414,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.85268918819622,"irt_users":1115,"is_experimental":false},"agc065_d":{"slope":-0.0005558402271687296,"intercept":9.559265604320586,"variance":0.3185286838291433,"difficulty":3117,"discrimination":0.004479398673070138,"irt_loglikelihood":-122.00109474333763,"irt_users":1115,"is_experimental":false},"agc065_e":{"difficulty":4235,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.131688436860234,"irt_users":1115,"is_experimental":false},"agc065_f":{"difficulty":3889,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.54132604206303,"irt_users":1115,"is_experimental":false},"abc334_a":{"slope":-0.0009410045219507104,"intercept":5.858213076964186,"variance":1.0308802043893268,"difficulty":-1092,"discrimination":0.004479398673070138,"irt_loglikelihood":-361.39348055238986,"irt_users":7493,"is_experimental":false},"abc334_b":{"slope":-0.000428011444459862,"intercept":7.440610024956865,"variance":0.9859245232949333,"difficulty":479,"discrimination":0.004479398673070138,"irt_loglikelihood":-4830.4741546919595,"irt_users":7493,"is_experimental":false},"abc334_c":{"slope":-0.0008630734564059738,"intercept":8.311789838139601,"variance":0.3056155452438388,"difficulty":1030,"discrimination":0.004479398673070138,"irt_loglikelihood":-2821.6266527497223,"irt_users":8902,"is_experimental":false},"abc334_d":{"slope":-0.001095446361398739,"intercept":7.930627289395275,"variance":0.7853325433616338,"difficulty":602,"discrimination":0.004479398673070138,"irt_loglikelihood":-3824.542112886029,"irt_users":8902,"is_experimental":false},"abc334_e":{"slope":-0.0007903472372126983,"intercept":8.34521970508587,"variance":0.21384186177257644,"difficulty":1195,"discrimination":0.004479398673070138,"irt_loglikelihood":-1859.5693387616416,"irt_users":8902,"is_experimental":false},"abc334_f":{"slope":-0.0006312419683538492,"intercept":8.555773958724712,"variance":0.19483597206423522,"difficulty":1813,"discrimination":0.004479398673070138,"irt_loglikelihood":-823.1380404285718,"irt_users":8902,"is_experimental":false},"abc334_g":{"slope":-0.00021810653179982466,"intercept":7.8157409195431224,"variance":0.2719892869578268,"difficulty":2242,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.78383032729965,"irt_users":8902,"is_experimental":false},"ahc029_a":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.8666067555750816,"irt_users":732,"is_experimental":false},"ahc029_b":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.8666067555750816,"irt_users":732,"is_experimental":false},"abc335_a":{"slope":-0.0010958404007347085,"intercept":5.966495566120767,"variance":1.1430314141178042,"difficulty":-1139,"discrimination":0.004479398673070138,"irt_loglikelihood":-345.7332679825058,"irt_users":7228,"is_experimental":false},"abc335_b":{"slope":-0.0009128157651310763,"intercept":6.200367805763629,"variance":0.6259143637670158,"difficulty":-416,"discrimination":0.004479398673070138,"irt_loglikelihood":-1615.1943121333068,"irt_users":7228,"is_experimental":false},"abc335_c":{"slope":-0.0009629057084942863,"intercept":7.915075496368797,"variance":0.33296413654753126,"difficulty":452,"discrimination":0.004479398673070138,"irt_loglikelihood":-3861.3088782399996,"irt_users":8520,"is_experimental":false},"abc335_d":{"slope":-0.0006494119380739355,"intercept":7.635524380181733,"variance":0.3747789178681496,"difficulty":431,"discrimination":0.004479398673070138,"irt_loglikelihood":-3892.8031260642106,"irt_users":8520,"is_experimental":false},"abc335_e":{"slope":-0.0007229712714938621,"intercept":8.878399194589964,"variance":0.35741539333076705,"difficulty":1540,"discrimination":0.004479398673070138,"irt_loglikelihood":-1371.1455039228333,"irt_users":8520,"is_experimental":false},"abc335_f":{"slope":-0.0007150243974439255,"intercept":8.484777048466125,"variance":0.41736335669675134,"difficulty":1690,"discrimination":0.004479398673070138,"irt_loglikelihood":-1160.4924414407542,"irt_users":8520,"is_experimental":false},"abc335_g":{"slope":-0.0005204817655464804,"intercept":8.788192666758336,"variance":0.3737360073156039,"difficulty":2614,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.43737882169063,"irt_users":8520,"is_experimental":false},"ahc028_a":{"difficulty":3783,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.273728704477366,"irt_users":815,"is_experimental":false},"abc336_a":{"slope":-0.0008243274898556245,"intercept":5.7172942465054595,"variance":0.8627240523850896,"difficulty":-1289,"discrimination":0.004479398673070138,"irt_loglikelihood":-166.9316294515916,"irt_users":6450,"is_experimental":false},"abc336_b":{"slope":-0.0010364631949172397,"intercept":6.090754585970577,"variance":0.5544468072811376,"difficulty":-683,"discrimination":0.004479398673070138,"irt_loglikelihood":-716.6144389076704,"irt_users":6450,"is_experimental":false},"abc336_c":{"slope":-0.0009513890773380319,"intercept":7.8338900189346505,"variance":0.5559760363963555,"difficulty":339,"discrimination":0.004479398673070138,"irt_loglikelihood":-3648.35194169385,"irt_users":7312,"is_experimental":false},"abc336_d":{"slope":-0.0007635907139641875,"intercept":8.185471936847945,"variance":0.5402769414343479,"difficulty":991,"discrimination":0.004479398673070138,"irt_loglikelihood":-2831.6313231503605,"irt_users":7312,"is_experimental":false},"abc336_e":{"slope":-0.0004392311422567355,"intercept":8.119009928038203,"variance":0.4286921354848485,"difficulty":1538,"discrimination":0.004479398673070138,"irt_loglikelihood":-1536.0276638783785,"irt_users":7312,"is_experimental":false},"abc336_f":{"slope":-0.00037170051410443733,"intercept":8.305818794579048,"variance":0.17852951212478116,"difficulty":2018,"discrimination":0.004479398673070138,"irt_loglikelihood":-687.1938893440735,"irt_users":7312,"is_experimental":false},"abc336_g":{"slope":-0.0006896669781239898,"intercept":9.931668980749848,"variance":0.14934885278907295,"difficulty":3138,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.730811058773455,"irt_users":7312,"is_experimental":false},"abc337_a":{"slope":-0.000896607616969326,"intercept":6.337749890969131,"variance":0.7952438684040732,"difficulty":-923,"discrimination":0.004479398673070138,"irt_loglikelihood":-583.3593522101903,"irt_users":8275,"is_experimental":false},"abc337_b":{"slope":-0.000842227390584173,"intercept":6.976036992320478,"variance":0.7811700912875614,"difficulty":-165,"discrimination":0.004479398673070138,"irt_loglikelihood":-2675.0480129796997,"irt_users":8275,"is_experimental":false},"abc337_c":{"slope":-0.0010025869405760055,"intercept":7.27717997551644,"variance":0.5407441959676818,"difficulty":225,"discrimination":0.004479398673070138,"irt_loglikelihood":-4358.597569331539,"irt_users":9753,"is_experimental":false},"abc337_d":{"slope":-0.0008697726602788423,"intercept":8.22331233079317,"variance":0.2924535862829206,"difficulty":760,"discrimination":0.004479398673070138,"irt_loglikelihood":-3739.5370755640197,"irt_users":9753,"is_experimental":false},"abc337_e":{"slope":-0.0008068205313266422,"intercept":8.54675897418803,"variance":0.3290015149386453,"difficulty":1155,"discrimination":0.004479398673070138,"irt_loglikelihood":-2838.6820303749228,"irt_users":9753,"is_experimental":false},"abc337_f":{"slope":-0.0003354083024974544,"intercept":8.495525309521685,"variance":0.19923277082130306,"difficulty":2386,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.8292222287385,"irt_users":9753,"is_experimental":false},"abc337_g":{"slope":-0.0003531528033041895,"intercept":8.307060045535195,"variance":0.37619772311498867,"difficulty":2080,"discrimination":0.004479398673070138,"irt_loglikelihood":-774.2511830914791,"irt_users":9753,"is_experimental":false},"arc170_a":{"slope":-0.0008298559541221668,"intercept":8.754862860653624,"variance":0.3964728150087444,"difficulty":750,"discrimination":0.004479398673070138,"irt_loglikelihood":-1618.8288049677733,"irt_users":2866,"is_experimental":false},"arc170_b":{"slope":-0.0008761696009018096,"intercept":8.770540540968321,"variance":0.40308265031471663,"difficulty":1180,"discrimination":0.004479398673070138,"irt_loglikelihood":-1128.0781584656445,"irt_users":2866,"is_experimental":false},"arc170_c":{"slope":-0.00042369303767667986,"intercept":8.4449049990087,"variance":0.34553599075005487,"difficulty":2028,"discrimination":0.004479398673070138,"irt_loglikelihood":-805.968497334084,"irt_users":2866,"is_experimental":false},"arc170_d":{"slope":-0.00034645218310095434,"intercept":8.815753964304447,"variance":0.24794148761157112,"difficulty":2279,"discrimination":0.004479398673070138,"irt_loglikelihood":-478.3927165208122,"irt_users":2866,"is_experimental":false},"arc170_e":{"slope":-0.00041600641912156375,"intercept":8.874856422656295,"variance":0.23983501662212084,"difficulty":3174,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.27440512505167,"irt_users":2866,"is_experimental":false},"arc170_f":{"difficulty":3874,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.310129722642024,"irt_users":2866,"is_experimental":false},"abc338_a":{"slope":-0.0009699089007468858,"intercept":6.461399982396717,"variance":0.7203272387505036,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-578.675914627633,"irt_users":7141,"is_experimental":false},"abc338_b":{"slope":-0.0010210157801116453,"intercept":6.556715260699186,"variance":0.5864124530226921,"difficulty":-449,"discrimination":0.004479398673070138,"irt_loglikelihood":-1142.2248778443777,"irt_users":7141,"is_experimental":false},"abc338_c":{"slope":-0.001045985947371175,"intercept":8.053247852210104,"variance":0.3690743008192365,"difficulty":513,"discrimination":0.004479398673070138,"irt_loglikelihood":-3827.8685048400393,"irt_users":8219,"is_experimental":false},"abc338_d":{"slope":-0.0009135631954357124,"intercept":8.723185172656727,"variance":0.255024834119487,"difficulty":1234,"discrimination":0.004479398673070138,"irt_loglikelihood":-2111.8777525028804,"irt_users":8219,"is_experimental":false},"abc338_e":{"slope":-0.0009200458195702854,"intercept":8.544710806605284,"variance":0.4725539989619936,"difficulty":1220,"discrimination":0.004479398673070138,"irt_loglikelihood":-2432.526468007536,"irt_users":8219,"is_experimental":false},"abc338_f":{"slope":-0.0004530127403262094,"intercept":8.356851007998834,"variance":0.4138596374250541,"difficulty":1835,"discrimination":0.004479398673070138,"irt_loglikelihood":-960.9227416763051,"irt_users":8219,"is_experimental":false},"abc338_g":{"slope":-0.00043663246778956197,"intercept":8.826990378443615,"variance":0.21929212585633318,"difficulty":2573,"discrimination":0.004479398673070138,"irt_loglikelihood":-161.42774002844993,"irt_users":8219,"is_experimental":false},"abc339_a":{"slope":-0.0010338002870664037,"intercept":6.30307817487677,"variance":0.909621518967242,"difficulty":-845,"discrimination":0.004479398673070138,"irt_loglikelihood":-677.9372480235846,"irt_users":8182,"is_experimental":false},"abc339_b":{"slope":-0.0007233489122203459,"intercept":7.448091396740958,"variance":0.47881891692219525,"difficulty":126,"discrimination":0.004479398673070138,"irt_loglikelihood":-3347.2016610180403,"irt_users":8182,"is_experimental":false},"abc339_c":{"slope":-0.0009032314802464794,"intercept":7.035797458355937,"variance":0.6051424263629782,"difficulty":66,"discrimination":0.004479398673070138,"irt_loglikelihood":-4394.6622460842655,"irt_users":9687,"is_experimental":false},"abc339_d":{"slope":-0.0006466780190041142,"intercept":8.202076865921464,"variance":0.3267902573510008,"difficulty":1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-2634.6367679695427,"irt_users":9687,"is_experimental":false},"abc339_e":{"slope":-0.0009918210381324568,"intercept":8.33969096118723,"variance":0.4979705674618675,"difficulty":1109,"discrimination":0.004479398673070138,"irt_loglikelihood":-2589.255986312903,"irt_users":9687,"is_experimental":false},"abc339_f":{"slope":-0.00046628876945358286,"intercept":8.084483659709797,"variance":0.437010745494654,"difficulty":1716,"discrimination":0.004479398673070138,"irt_loglikelihood":-1549.5830859689804,"irt_users":9687,"is_experimental":false},"abc339_g":{"slope":-0.0005257261415982711,"intercept":8.25359226676613,"variance":0.3982072514018527,"difficulty":1792,"discrimination":0.004479398673070138,"irt_loglikelihood":-1348.7791456595514,"irt_users":9687,"is_experimental":false},"arc171_a":{"slope":-0.0008439207439933329,"intercept":8.581793540715326,"variance":0.44842873003084394,"difficulty":614,"discrimination":0.004479398673070138,"irt_loglikelihood":-1241.7403838643577,"irt_users":2619,"is_experimental":false},"arc171_b":{"slope":-0.0007698525710240372,"intercept":9.210031441193866,"variance":0.25097566241462316,"difficulty":1374,"discrimination":0.004479398673070138,"irt_loglikelihood":-1045.7931465930894,"irt_users":2619,"is_experimental":false},"arc171_c":{"slope":-0.0004933135584647904,"intercept":8.735980985747855,"variance":0.24401644963605165,"difficulty":2244,"discrimination":0.004479398673070138,"irt_loglikelihood":-418.58562658835024,"irt_users":2619,"is_experimental":false},"arc171_d":{"slope":-0.0007889403469618248,"intercept":9.362698611099184,"variance":0.3180852303394828,"difficulty":2377,"discrimination":0.004479398673070138,"irt_loglikelihood":-355.93240830883775,"irt_users":2619,"is_experimental":false},"arc171_e":{"slope":-0.0003530200402567905,"intercept":8.760013112017898,"variance":0.07903134392748902,"difficulty":3034,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.08059485388166,"irt_users":2619,"is_experimental":false},"arc171_f":{"difficulty":3730,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.65480464619385,"irt_users":2619,"is_experimental":false},"abc340_a":{"slope":-0.0009498817533074515,"intercept":5.986976494418877,"variance":0.882513608322859,"difficulty":-1100,"discrimination":0.004479398673070138,"irt_loglikelihood":-232.89931202679418,"irt_users":6993,"is_experimental":false},"abc340_b":{"slope":-0.0009567246991711697,"intercept":6.1636020692119775,"variance":0.38653610297989194,"difficulty":-494,"discrimination":0.004479398673070138,"irt_loglikelihood":-897.5980461797002,"irt_users":6993,"is_experimental":false},"abc340_c":{"slope":-0.0012378512355437302,"intercept":8.122214202956629,"variance":0.48894504485722184,"difficulty":528,"discrimination":0.004479398673070138,"irt_loglikelihood":-3866.914208117192,"irt_users":8061,"is_experimental":false},"abc340_d":{"slope":-0.0011623202326836275,"intercept":8.190294475808619,"variance":0.47897309079361305,"difficulty":784,"discrimination":0.004479398673070138,"irt_loglikelihood":-3012.058146468511,"irt_users":8061,"is_experimental":false},"abc340_e":{"slope":-0.0007913648283270442,"intercept":8.35539107460237,"variance":0.23875448556868786,"difficulty":1157,"discrimination":0.004479398673070138,"irt_loglikelihood":-2099.181946615165,"irt_users":8061,"is_experimental":false},"abc340_f":{"slope":-0.000531478591742683,"intercept":8.193242652210209,"variance":0.39151631853671437,"difficulty":1516,"discrimination":0.004479398673070138,"irt_loglikelihood":-1725.2824159070292,"irt_users":8061,"is_experimental":false},"abc340_g":{"slope":-0.0005418907617118004,"intercept":8.892511673472189,"variance":0.19201065259319705,"difficulty":2401,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.1352720658966,"irt_users":8061,"is_experimental":false},"abc341_a":{"slope":-0.0010975790960969546,"intercept":6.026375199330641,"variance":1.0472204475476405,"difficulty":-1033,"discrimination":0.004479398673070138,"irt_loglikelihood":-407.9185240905681,"irt_users":8268,"is_experimental":false},"abc341_b":{"slope":-0.0010736972435871264,"intercept":7.106402013324229,"variance":0.5373088842900223,"difficulty":42,"discrimination":0.004479398673070138,"irt_loglikelihood":-2849.47291695489,"irt_users":8268,"is_experimental":false},"abc341_c":{"slope":-0.0009394566010034909,"intercept":7.673927716204544,"variance":0.34609156476506864,"difficulty":406,"discrimination":0.004479398673070138,"irt_loglikelihood":-4737.165437892859,"irt_users":9891,"is_experimental":false},"abc341_d":{"slope":-0.000745617919867693,"intercept":7.9325639998614275,"variance":0.5858435075426605,"difficulty":829,"discrimination":0.004479398673070138,"irt_loglikelihood":-4192.680824158998,"irt_users":9891,"is_experimental":false},"abc341_e":{"slope":-0.0009460986166514591,"intercept":8.558403781809595,"variance":0.36632416261333933,"difficulty":1223,"discrimination":0.004479398673070138,"irt_loglikelihood":-2327.938448264172,"irt_users":9891,"is_experimental":false},"abc341_f":{"slope":-0.0008053100443860662,"intercept":8.739961656284835,"variance":0.22868461450498684,"difficulty":1604,"discrimination":0.004479398673070138,"irt_loglikelihood":-1227.7465902119504,"irt_users":9891,"is_experimental":false},"abc341_g":{"slope":-0.00042324799458247125,"intercept":8.243857837598341,"variance":0.4721793603684828,"difficulty":2208,"discrimination":0.004479398673070138,"irt_loglikelihood":-545.7301605245921,"irt_users":9891,"is_experimental":false},"arc172_a":{"slope":-0.0008350839142394016,"intercept":8.771892112346073,"variance":0.3767803139461073,"difficulty":851,"discrimination":0.004479398673070138,"irt_loglikelihood":-942.2494282885768,"irt_users":1765,"is_experimental":false},"arc172_b":{"slope":-0.0007547214734981754,"intercept":8.432696817577584,"variance":0.37636802613992215,"difficulty":1284,"discrimination":0.004479398673070138,"irt_loglikelihood":-861.4597013649017,"irt_users":1765,"is_experimental":false},"arc172_c":{"slope":-0.0004934356762899438,"intercept":8.341535249740494,"variance":0.3795199816734723,"difficulty":1498,"discrimination":0.004479398673070138,"irt_loglikelihood":-941.1861684549975,"irt_users":1765,"is_experimental":false},"arc172_d":{"slope":-0.0002950820243180326,"intercept":8.102232101307806,"variance":0.2618917438838954,"difficulty":2936,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.01866469075895,"irt_users":1765,"is_experimental":false},"arc172_e":{"slope":-0.00002384452936421583,"intercept":8.000087058680714,"variance":0.2778366671420501,"difficulty":2358,"discrimination":0.004479398673070138,"irt_loglikelihood":-443.326842466406,"irt_users":1765,"is_experimental":false},"arc172_f":{"slope":-0.00033361175990368646,"intercept":9.235858845171094,"variance":0.05232496572930085,"difficulty":3474,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.161355967441402,"irt_users":1765,"is_experimental":false},"ahc030_a":{"difficulty":3781,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.325847898700874,"irt_users":889,"is_experimental":false},"ahc030_b":{"difficulty":3781,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.325847898700874,"irt_users":889,"is_experimental":false},"abc342_a":{"slope":-0.001033795391629675,"intercept":6.757720154563996,"variance":0.6566615726985501,"difficulty":-623,"discrimination":0.004479398673070138,"irt_loglikelihood":-766.5599664389134,"irt_users":7287,"is_experimental":false},"abc342_b":{"slope":-0.000855398336684974,"intercept":6.502312448643263,"variance":0.37413757272038495,"difficulty":-378,"discrimination":0.004479398673070138,"irt_loglikelihood":-1228.5338620155328,"irt_users":7287,"is_experimental":false},"abc342_c":{"slope":-0.0010465109334073107,"intercept":7.839338483298759,"variance":0.5721876743829588,"difficulty":505,"discrimination":0.004479398673070138,"irt_loglikelihood":-4139.391531565323,"irt_users":8459,"is_experimental":false},"abc342_d":{"slope":-0.0010602026957848023,"intercept":8.645978791645135,"variance":0.4143930942662581,"difficulty":944,"discrimination":0.004479398673070138,"irt_loglikelihood":-3084.391421968585,"irt_users":8459,"is_experimental":false},"abc342_e":{"slope":-0.0007852392963418676,"intercept":8.791782311839615,"variance":0.1876168891986938,"difficulty":1476,"discrimination":0.004479398673070138,"irt_loglikelihood":-1753.4572825705295,"irt_users":8459,"is_experimental":false},"abc342_f":{"slope":-0.000646892240503094,"intercept":8.929463592747632,"variance":0.2429041037596922,"difficulty":2141,"discrimination":0.004479398673070138,"irt_loglikelihood":-589.3067534238909,"irt_users":8459,"is_experimental":false},"abc342_g":{"slope":-0.0003910228177213182,"intercept":8.01966010480967,"variance":0.372109204009111,"difficulty":2107,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.1916170433647,"irt_users":8459,"is_experimental":false},"abc343_a":{"slope":-0.0011143080614631345,"intercept":6.088802202888372,"variance":1.021448429143605,"difficulty":-960,"discrimination":0.004479398673070138,"irt_loglikelihood":-605.013521593454,"irt_users":8823,"is_experimental":false},"abc343_b":{"slope":-0.0008690259919178339,"intercept":6.198506920840714,"variance":0.4831145446312294,"difficulty":-411,"discrimination":0.004479398673070138,"irt_loglikelihood":-1710.5055158808814,"irt_users":8823,"is_experimental":false},"abc343_c":{"slope":-0.0010992555756561002,"intercept":7.419717966529447,"variance":0.6149474041666049,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-4346.127072567553,"irt_users":10385,"is_experimental":false},"abc343_d":{"slope":-0.0009714384296519561,"intercept":7.591789431947707,"variance":0.43867670520457686,"difficulty":422,"discrimination":0.004479398673070138,"irt_loglikelihood":-4088.260414920417,"irt_users":10385,"is_experimental":false},"abc343_e":{"slope":-0.0005492817572965762,"intercept":8.82675418564287,"variance":0.22936311620340608,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-1412.7461503162797,"irt_users":10385,"is_experimental":false},"abc343_f":{"slope":-0.0005608823028008131,"intercept":8.397911004528895,"variance":0.3029500856489622,"difficulty":1370,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.1378839301633,"irt_users":10385,"is_experimental":false},"abc343_g":{"slope":-0.0005810682203020961,"intercept":8.738660231582575,"variance":0.274581681475314,"difficulty":2114,"discrimination":0.004479398673070138,"irt_loglikelihood":-665.2821200235816,"irt_users":10385,"is_experimental":false},"abc344_a":{"slope":-0.0010688967353638895,"intercept":6.5241091449687545,"variance":0.8133134613546227,"difficulty":-793,"discrimination":0.004479398673070138,"irt_loglikelihood":-713.4426905153645,"irt_users":8521,"is_experimental":false},"abc344_b":{"slope":-0.0009055461565227633,"intercept":6.169107303621666,"variance":0.5296523608340533,"difficulty":-456,"discrimination":0.004479398673070138,"irt_loglikelihood":-1555.0227715119222,"irt_users":8521,"is_experimental":false},"abc344_c":{"slope":-0.0010399954672692755,"intercept":7.108716891027457,"variance":0.6058636871852602,"difficulty":131,"discrimination":0.004479398673070138,"irt_loglikelihood":-4090.335527780893,"irt_users":10125,"is_experimental":false},"abc344_d":{"slope":-0.0009627134545396401,"intercept":8.448556773291973,"variance":0.39944767722433294,"difficulty":854,"discrimination":0.004479398673070138,"irt_loglikelihood":-3747.9717643893778,"irt_users":10125,"is_experimental":false},"abc344_e":{"slope":-0.000576674698594425,"intercept":8.071331550214513,"variance":0.43904680076367014,"difficulty":973,"discrimination":0.004479398673070138,"irt_loglikelihood":-3932.2314136121295,"irt_users":10125,"is_experimental":false},"abc344_f":{"slope":-0.0006065574613431373,"intercept":8.890768137802658,"variance":0.23561174832549656,"difficulty":1922,"discrimination":0.004479398673070138,"irt_loglikelihood":-893.0687908703661,"irt_users":10125,"is_experimental":false},"abc344_g":{"slope":-0.00012593885219592453,"intercept":8.448051782575114,"variance":0.1718560303116467,"difficulty":3032,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.23752265611473,"irt_users":10125,"is_experimental":false},"arc173_a":{"slope":-0.0009730273392632454,"intercept":9.148502426036055,"variance":0.46610523474109006,"difficulty":1073,"discrimination":0.004479398673070138,"irt_loglikelihood":-897.1987800353705,"irt_users":1764,"is_experimental":false},"arc173_b":{"slope":-0.0010046512801004774,"intercept":9.08129172699724,"variance":0.5709039287130144,"difficulty":1594,"discrimination":0.004479398673070138,"irt_loglikelihood":-848.8271501873312,"irt_users":1764,"is_experimental":false},"arc173_c":{"slope":-0.0004925682024944373,"intercept":8.9678642890481,"variance":0.18705659564706148,"difficulty":2008,"discrimination":0.004479398673070138,"irt_loglikelihood":-519.5122342597638,"irt_users":1764,"is_experimental":false},"arc173_d":{"slope":-0.00009828800795654501,"intercept":7.897902195635286,"variance":0.31278083576334864,"difficulty":2598,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.87980992898537,"irt_users":1764,"is_experimental":false},"arc173_e":{"slope":-0.00040280162970237666,"intercept":9.015541068835491,"variance":0.2491790227168506,"difficulty":2869,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.7819061139413,"irt_users":1764,"is_experimental":false},"arc173_f":{"is_experimental":false},"abc345_a":{"slope":-0.0010220391875562825,"intercept":6.680943022206329,"variance":0.7876504052548537,"difficulty":-515,"discrimination":0.004479398673070138,"irt_loglikelihood":-1214.5816254721353,"irt_users":8128,"is_experimental":false},"abc345_b":{"slope":-0.001095725265628582,"intercept":6.865534235698665,"variance":0.8703541262793535,"difficulty":-191,"discrimination":0.004479398673070138,"irt_loglikelihood":-2225.2310817445987,"irt_users":8128,"is_experimental":false},"abc345_c":{"slope":-0.0011719911928428934,"intercept":8.146134414178654,"variance":0.5391030003752781,"difficulty":469,"discrimination":0.004479398673070138,"irt_loglikelihood":-4317.83701618277,"irt_users":9394,"is_experimental":false},"abc345_d":{"slope":-0.0006239663208829395,"intercept":8.68459793258279,"variance":0.3705060520021246,"difficulty":1419,"discrimination":0.004479398673070138,"irt_loglikelihood":-2561.5291564367762,"irt_users":9394,"is_experimental":false},"abc345_e":{"slope":-0.0005940537494286943,"intercept":9.072424715564411,"variance":0.2600062402932499,"difficulty":2356,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.85498722062664,"irt_users":9394,"is_experimental":false},"abc345_f":{"slope":-0.0007378826684347836,"intercept":9.253617756839576,"variance":0.2777792282824363,"difficulty":2157,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.6482406718844,"irt_users":9394,"is_experimental":false},"abc345_g":{"slope":-0.0006110303101299748,"intercept":9.748179423123839,"variance":0.06757468374597009,"difficulty":3343,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.85050690290265,"irt_users":9394,"is_experimental":false},"arc174_a":{"slope":-0.0010437032475961356,"intercept":8.31545984433858,"variance":0.5196400028440337,"difficulty":467,"discrimination":0.004479398673070138,"irt_loglikelihood":-969.6669760746512,"irt_users":2468,"is_experimental":false},"arc174_b":{"slope":-0.0009692443409113173,"intercept":8.485337398108333,"variance":0.44037429086067637,"difficulty":882,"discrimination":0.004479398673070138,"irt_loglikelihood":-1095.7995354032175,"irt_users":2468,"is_experimental":false},"arc174_c":{"slope":-0.0008099360559509869,"intercept":9.050811566574165,"variance":0.29652831914107636,"difficulty":1706,"discrimination":0.004479398673070138,"irt_loglikelihood":-784.7618756147002,"irt_users":2468,"is_experimental":false},"arc174_d":{"slope":-0.0007361090445237768,"intercept":8.964186488651238,"variance":0.2714114479806264,"difficulty":1592,"discrimination":0.004479398673070138,"irt_loglikelihood":-950.1877319364146,"irt_users":2468,"is_experimental":false},"arc174_e":{"slope":-0.0004473503057713716,"intercept":8.811313748890164,"variance":0.1114659634123392,"difficulty":2336,"discrimination":0.004479398673070138,"irt_loglikelihood":-321.93043391052737,"irt_users":2468,"is_experimental":false},"arc174_f":{"difficulty":3773,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.725089339903214,"irt_users":2468,"is_experimental":false},"abc346_a":{"slope":-0.0009857679315885776,"intercept":5.938515415094842,"variance":0.8582048050510149,"difficulty":-1074,"discrimination":0.004479398673070138,"irt_loglikelihood":-322.6347462426163,"irt_users":8384,"is_experimental":false},"abc346_b":{"slope":-0.001042871296291178,"intercept":7.628816800061257,"variance":0.5423686209039158,"difficulty":213,"discrimination":0.004479398673070138,"irt_loglikelihood":-3453.220158329773,"irt_users":8384,"is_experimental":false},"abc346_c":{"slope":-0.001312926285095477,"intercept":7.461550090560036,"variance":0.6481035147891415,"difficulty":78,"discrimination":0.004479398673070138,"irt_loglikelihood":-3818.163802145639,"irt_users":9777,"is_experimental":false},"abc346_d":{"slope":-0.0009451444349811484,"intercept":8.370379082776404,"variance":0.32204572364997225,"difficulty":845,"discrimination":0.004479398673070138,"irt_loglikelihood":-3474.1028095174233,"irt_users":9777,"is_experimental":false},"abc346_e":{"slope":-0.0007543177401920138,"intercept":8.232402264776544,"variance":0.2764298783624363,"difficulty":1053,"discrimination":0.004479398673070138,"irt_loglikelihood":-2982.0906938688977,"irt_users":9777,"is_experimental":false},"abc346_f":{"slope":-0.00047463882967454564,"intercept":8.679828120495763,"variance":0.2294695903672512,"difficulty":1840,"discrimination":0.004479398673070138,"irt_loglikelihood":-1182.0885528983156,"irt_users":9777,"is_experimental":false},"abc346_g":{"slope":-0.0006386289735791004,"intercept":8.567365740953452,"variance":0.3155788185437715,"difficulty":2166,"discrimination":0.004479398673070138,"irt_loglikelihood":-647.0097228801434,"irt_users":9777,"is_experimental":false}} \ No newline at end of file +{"abc138_a":{"slope":-0.0007168608759555057,"intercept":5.865100960838195,"variance":0.926552668651041,"difficulty":-848,"discrimination":0.004479398673070138,"irt_loglikelihood":-260.5412324380486,"irt_users":4554,"is_experimental":false},"abc138_b":{"slope":-0.000824396428693272,"intercept":6.368909012937863,"variance":0.5230470966650067,"difficulty":-364,"discrimination":0.004479398673070138,"irt_loglikelihood":-736.6811268411792,"irt_users":4554,"is_experimental":false},"abc138_c":{"slope":-0.0008681111956810556,"intercept":7.003321371802847,"variance":0.40808430724507255,"difficulty":-96,"discrimination":0.004479398673070138,"irt_loglikelihood":-1112.8355439379536,"irt_users":4647,"is_experimental":false},"abc138_d":{"slope":-0.0011986025321558905,"intercept":8.48597477902844,"variance":0.4317652846787837,"difficulty":920,"discrimination":0.004479398673070138,"irt_loglikelihood":-1747.6784092163878,"irt_users":4647,"is_experimental":false},"abc138_e":{"slope":-0.0008026907206904856,"intercept":8.657393170033716,"variance":0.29513209036031335,"difficulty":1257,"discrimination":0.004479398673070138,"irt_loglikelihood":-1260.5311462497962,"irt_users":4647,"is_experimental":false},"abc138_f":{"slope":-0.0005593022662270254,"intercept":9.029416056770344,"variance":0.19902364269201955,"difficulty":2431,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.53699248758963,"irt_users":4647,"is_experimental":false},"abc042_a":{"slope":-0.0008453995343341607,"intercept":7.088821643632739,"variance":1.0946859786418772,"difficulty":-201,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.28670632524375,"irt_users":236,"is_experimental":false},"abc042_b":{"slope":-0.0008020809076869094,"intercept":7.067602461242034,"variance":0.8569659955079904,"difficulty":616,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.07525251144496,"irt_users":236,"is_experimental":false},"arc058_a":{"slope":-0.0009567447067257116,"intercept":8.311525693337833,"variance":0.7853673530023945,"difficulty":1174,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.66125421733,"irt_users":475,"is_experimental":false},"arc058_b":{"slope":-0.0009345603502090826,"intercept":9.25564461796856,"variance":0.38680823775880746,"difficulty":1905,"discrimination":0.004479398673070138,"irt_loglikelihood":-178.60351012853033,"irt_users":475,"is_experimental":false},"abc043_a":{"slope":-0.001114915314191286,"intercept":6.837473158822148,"variance":1.3418890079133348,"difficulty":-272,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.494100972966116,"irt_users":201,"is_experimental":false},"abc043_b":{"slope":-0.0008262240863386058,"intercept":7.346462829012189,"variance":0.5404239132480965,"difficulty":512,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.01291971090939,"irt_users":201,"is_experimental":false},"arc059_a":{"slope":-0.001150727951376417,"intercept":8.168204104319486,"variance":0.5945835590150373,"difficulty":712,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.62537588987809,"irt_users":467,"is_experimental":false},"arc059_b":{"slope":-0.0011298162385196724,"intercept":9.101009920489009,"variance":0.518105517041059,"difficulty":1374,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.41927944084904,"irt_users":467,"is_experimental":false},"abc044_a":{"slope":-0.0010029383445292243,"intercept":7.253817133139643,"variance":0.8965564228245024,"difficulty":-334,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.027915472282917,"irt_users":216,"is_experimental":false},"abc044_b":{"slope":-0.001387854865526418,"intercept":7.675891528626909,"variance":0.4731868377438511,"difficulty":243,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.948504608454506,"irt_users":216,"is_experimental":false},"arc060_a":{"slope":-0.001106750023031465,"intercept":9.112720386692061,"variance":0.5080032906794247,"difficulty":1583,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.1136062332288,"irt_users":515,"is_experimental":false},"abc045_a":{"slope":-0.00107415897694853,"intercept":6.793994996383827,"variance":1.2859209268124945,"difficulty":-687,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.21467198447731,"irt_users":255,"is_experimental":false},"abc045_b":{"slope":-0.0008130792627503298,"intercept":7.856647989519601,"variance":0.416558870526632,"difficulty":635,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.67147816545526,"irt_users":255,"is_experimental":false},"arc061_a":{"slope":-0.001147939716145901,"intercept":9.009607166307154,"variance":0.42641680397033144,"difficulty":1089,"discrimination":0.004479398673070138,"irt_loglikelihood":-178.26683175299863,"irt_users":598,"is_experimental":false},"arc061_b":{"slope":-0.0008803866102862186,"intercept":9.027964956321295,"variance":0.29947100797917625,"difficulty":1682,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.9478105535204,"irt_users":598,"is_experimental":false},"abc046_a":{"slope":-0.0009018878641298102,"intercept":7.214341556754009,"variance":1.1769246688404098,"difficulty":-112,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.532652581978116,"irt_users":254,"is_experimental":false},"abc046_b":{"slope":-0.0010969334591324938,"intercept":7.491065528406361,"variance":0.566289334598413,"difficulty":633,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.99301448635686,"irt_users":254,"is_experimental":false},"arc062_a":{"slope":-0.0013005981235174211,"intercept":9.485321285215441,"variance":0.3990710330551291,"difficulty":1346,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.70777677112326,"irt_users":602,"is_experimental":false},"arc062_b":{"slope":-0.0009017884414580198,"intercept":8.363653917695379,"variance":0.41354244777774807,"difficulty":1256,"discrimination":0.004479398673070138,"irt_loglikelihood":-272.72352012052033,"irt_users":602,"is_experimental":false},"abc047_a":{"slope":-0.0009564199740699476,"intercept":7.234130818788347,"variance":0.8395982279316765,"difficulty":-115,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.74113724134616,"irt_users":252,"is_experimental":false},"abc047_b":{"slope":-0.0008667214719864652,"intercept":8.285453700793479,"variance":0.3301222882779298,"difficulty":726,"discrimination":0.004479398673070138,"irt_loglikelihood":-136.83616708427274,"irt_users":252,"is_experimental":false},"arc063_a":{"slope":-0.0011323525158146498,"intercept":7.946105569108558,"variance":0.6905841267419421,"difficulty":755,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.09321657077194,"irt_users":632,"is_experimental":false},"arc063_b":{"slope":-0.0008094499761454413,"intercept":8.597238960352719,"variance":0.33338835629944163,"difficulty":1376,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.69050548780191,"irt_users":632,"is_experimental":false},"abc048_a":{"slope":-0.0007002848420076405,"intercept":6.901290131925901,"variance":1.2227083124767975,"difficulty":-401,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.314655237020698,"irt_users":207,"is_experimental":false},"abc048_b":{"slope":-0.001259935655355085,"intercept":8.393742998511819,"variance":0.6331432050602648,"difficulty":861,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.78919878122386,"irt_users":207,"is_experimental":false},"arc064_a":{"slope":-0.0010668068641755892,"intercept":8.673791117483189,"variance":0.5285764485090747,"difficulty":1164,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.25249918756145,"irt_users":595,"is_experimental":false},"arc064_b":{"slope":-0.00045542761602754153,"intercept":8.103930111958793,"variance":0.45768254631675104,"difficulty":1814,"discrimination":0.004479398673070138,"irt_loglikelihood":-321.75963544739926,"irt_users":595,"is_experimental":false},"abc049_a":{"slope":-0.0008575738815120228,"intercept":6.73961406597115,"variance":0.9294140357838575,"is_experimental":false},"abc049_b":{"slope":-0.0008958314032843364,"intercept":7.163343254759762,"variance":0.6197340748259192,"difficulty":219,"discrimination":0.004479398673070138,"irt_loglikelihood":-52.02963431243479,"irt_users":198,"is_experimental":false},"arc065_a":{"slope":-0.0009254285639746258,"intercept":8.558031345265737,"variance":0.5045705653935092,"difficulty":930,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.88360720687325,"irt_users":594,"is_experimental":false},"arc065_b":{"slope":-0.0010336744689158357,"intercept":9.584066659818584,"variance":0.43901503596840397,"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.97246458706798,"irt_users":594,"is_experimental":false},"abc050_a":{"slope":-0.0007777649754199721,"intercept":6.6917051760563915,"variance":1.4999997169284687,"difficulty":-284,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.519281029941553,"irt_users":187,"is_experimental":false},"abc050_b":{"slope":-0.0010363582103849968,"intercept":7.61917787383034,"variance":0.26213789292767,"difficulty":187,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.99069017271611,"irt_users":187,"is_experimental":false},"arc066_a":{"slope":-0.0011138409614852355,"intercept":8.851656845653478,"variance":0.3440850228841366,"difficulty":952,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.05964863469134,"irt_users":474,"is_experimental":false},"abc051_a":{"slope":-0.0007897034092276506,"intercept":6.737912711127255,"variance":1.357760364961564,"difficulty":-359,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.815858994657958,"irt_users":307,"is_experimental":false},"abc051_b":{"slope":-0.0012560625007950795,"intercept":8.245996166791342,"variance":0.77670540412273,"difficulty":784,"discrimination":0.004479398673070138,"irt_loglikelihood":-169.53005579563347,"irt_users":307,"is_experimental":false},"abc051_c":{"slope":-0.000700661064607121,"intercept":8.023669729549843,"variance":0.3465520576508919,"difficulty":968,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.97134497395484,"irt_users":497,"is_experimental":false},"abc051_d":{"slope":-0.0010764064268973287,"intercept":9.159220951813644,"variance":0.3411917578132208,"difficulty":1566,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.38582508082098,"irt_users":497,"is_experimental":false},"abc052_a":{"slope":-0.0005874194902154306,"intercept":6.255305764697538,"variance":1.140710040526209,"difficulty":-600,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.530375830169033,"irt_users":234,"is_experimental":false},"abc052_b":{"slope":-0.0010135900008176142,"intercept":6.947647190551066,"variance":0.45020155936070794,"difficulty":24,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.65998815390683,"irt_users":234,"is_experimental":false},"arc067_a":{"slope":-0.0012833357121921985,"intercept":8.909634780368842,"variance":0.5095441415418769,"difficulty":967,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.24887421396946,"irt_users":583,"is_experimental":false},"arc067_b":{"slope":-0.0010194956690811976,"intercept":8.257430288506765,"variance":0.4226384828929551,"difficulty":1060,"discrimination":0.004479398673070138,"irt_loglikelihood":-228.84438669746285,"irt_users":583,"is_experimental":false},"abc053_a":{"slope":-0.000734698292485906,"intercept":6.440370668406675,"variance":1.43521666189645,"difficulty":-510,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.560325885020742,"irt_users":248,"is_experimental":false},"abc053_b":{"slope":-0.0010491341272136543,"intercept":7.286098473400458,"variance":0.5313702359909696,"difficulty":44,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.15041718429055,"irt_users":248,"is_experimental":false},"arc068_a":{"slope":-0.0008711868773215745,"intercept":8.149764128365256,"variance":0.5329176857415913,"difficulty":745,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.12699517741905,"irt_users":638,"is_experimental":false},"arc068_b":{"slope":-0.0008132819452440136,"intercept":8.40648564264055,"variance":0.4134503526866365,"difficulty":1084,"discrimination":0.004479398673070138,"irt_loglikelihood":-247.59312118430992,"irt_users":638,"is_experimental":false},"abc054_a":{"slope":-0.0008225240940846805,"intercept":7.163818396518904,"variance":0.8770166532564361,"difficulty":-141,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.81521406918422,"irt_users":394,"is_experimental":false},"abc054_b":{"slope":-0.00110817800551425,"intercept":8.472319218600365,"variance":0.46345476926295726,"difficulty":893,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.53858595688976,"irt_users":394,"is_experimental":false},"abc054_c":{"slope":-0.0011105867662000745,"intercept":8.612868463382442,"variance":0.4267052814472443,"difficulty":1244,"discrimination":0.004479398673070138,"irt_loglikelihood":-252.75507149713124,"irt_users":606,"is_experimental":false},"abc054_d":{"slope":-0.0006816730556129373,"intercept":8.5395433739546,"variance":0.48789146264412825,"difficulty":1655,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.50733649982567,"irt_users":606,"is_experimental":false},"abc055_a":{"slope":-0.000864784618537538,"intercept":6.658357165039926,"variance":1.064044419462854,"difficulty":-736,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.2350104338273695,"irt_users":295,"is_experimental":false},"abc055_b":{"slope":-0.001176886533808589,"intercept":7.218849967373919,"variance":0.5877776495013387,"difficulty":326,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.27341386726653,"irt_users":295,"is_experimental":false},"arc069_a":{"slope":-0.0008852937220712359,"intercept":7.943998306807798,"variance":0.5737772433432807,"difficulty":561,"discrimination":0.004479398673070138,"irt_loglikelihood":-172.0835418283485,"irt_users":794,"is_experimental":false},"arc069_b":{"slope":-0.0008971106959786772,"intercept":9.102163968435582,"variance":0.2868214481233958,"difficulty":1344,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.7426862360855,"irt_users":794,"is_experimental":false},"abc056_a":{"slope":-0.0009851105431133802,"intercept":7.034787619772876,"variance":0.7312874747102411,"difficulty":-372,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.318324935956745,"irt_users":259,"is_experimental":false},"abc056_b":{"slope":-0.000881336153842939,"intercept":7.2103414054787125,"variance":0.3542270848736328,"difficulty":-92,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.909920789987545,"irt_users":259,"is_experimental":false},"arc070_a":{"slope":-0.0009688312262104166,"intercept":7.999265162447145,"variance":0.6944436572552999,"difficulty":731,"discrimination":0.004479398673070138,"irt_loglikelihood":-277.3371196012052,"irt_users":734,"is_experimental":false},"arc070_b":{"slope":-0.0008017423709032036,"intercept":9.564363951078183,"variance":0.24908351823806574,"difficulty":2015,"discrimination":0.004479398673070138,"irt_loglikelihood":-219.55174707916467,"irt_users":734,"is_experimental":false},"abc057_a":{"slope":-0.0008377881645707844,"intercept":6.623174267426635,"variance":1.4342074669217337,"difficulty":-777,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.847581863977279,"irt_users":372,"is_experimental":false},"abc057_b":{"slope":-0.001036136291080498,"intercept":7.905135965116786,"variance":0.33444598985769075,"difficulty":434,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.24852942010256,"irt_users":372,"is_experimental":false},"abc057_c":{"slope":-0.0010494556319898308,"intercept":8.053658410566126,"variance":0.558661964209098,"difficulty":904,"discrimination":0.004479398673070138,"irt_loglikelihood":-272.33014294900676,"irt_users":569,"is_experimental":false},"abc057_d":{"slope":-0.0007565312544074862,"intercept":9.175242643783884,"variance":0.3369681404736222,"difficulty":1658,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.48532707138946,"irt_users":569,"is_experimental":false},"abc058_a":{"slope":-0.0005850523683307382,"intercept":6.4854548327379336,"variance":1.304628040183931,"difficulty":-473,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.01705661720836,"irt_users":321,"is_experimental":false},"abc058_b":{"slope":-0.0008972525021705051,"intercept":7.137268908012059,"variance":0.47048217963492206,"difficulty":155,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.6656656946321,"irt_users":321,"is_experimental":false},"arc071_a":{"slope":-0.0011539478267002803,"intercept":8.437602031055256,"variance":0.4127439646078589,"difficulty":680,"discrimination":0.004479398673070138,"irt_loglikelihood":-227.2091407024313,"irt_users":807,"is_experimental":false},"arc071_b":{"slope":-0.0012457874992872085,"intercept":9.5418403273356,"variance":0.382637012651983,"difficulty":1641,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.1926867441679,"irt_users":807,"is_experimental":false},"abc059_a":{"slope":-0.0010574425951803787,"intercept":7.297279137186878,"variance":1.0311998601287358,"difficulty":-257,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.04114664499007,"irt_users":337,"is_experimental":false},"abc059_b":{"slope":-0.0006946452096513934,"intercept":7.049780317014196,"variance":0.8148924620065036,"difficulty":158,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.9005167466672,"irt_users":337,"is_experimental":false},"arc072_a":{"slope":-0.0010307791202377365,"intercept":9.193835966793085,"variance":0.4319806310679064,"difficulty":1409,"discrimination":0.004479398673070138,"irt_loglikelihood":-325.35700549462945,"irt_users":810,"is_experimental":false},"arc072_b":{"slope":-0.0006475480629305309,"intercept":8.611712221465922,"variance":0.3566240643172549,"difficulty":1749,"discrimination":0.004479398673070138,"irt_loglikelihood":-290.0071876707825,"irt_users":810,"is_experimental":false},"abc060_a":{"slope":-0.0007734631801284391,"intercept":6.828577718818975,"variance":1.1224287434601141,"difficulty":-376,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.805819544951614,"irt_users":330,"is_experimental":false},"abc060_b":{"slope":-0.0008743485990420715,"intercept":7.561800225868863,"variance":0.4496434985510739,"difficulty":503,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.3000216169645,"irt_users":330,"is_experimental":false},"arc073_a":{"slope":-0.0008571627634699598,"intercept":7.7239727541074545,"variance":0.512051561936334,"difficulty":512,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.87336055639744,"irt_users":803,"is_experimental":false},"arc073_b":{"slope":-0.0007894820422092307,"intercept":8.77755657588255,"variance":0.3763617077846755,"difficulty":1477,"discrimination":0.004479398673070138,"irt_loglikelihood":-258.0870442091824,"irt_users":803,"is_experimental":false},"abc061_a":{"slope":-0.0007963365844803875,"intercept":6.597331172313906,"variance":1.3939866144879511,"difficulty":-229,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.27539904663061,"irt_users":525,"is_experimental":false},"abc061_b":{"slope":-0.0010878861723679265,"intercept":7.273374976517448,"variance":0.5359651110804659,"difficulty":108,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.40446083489292,"irt_users":525,"is_experimental":false},"abc061_c":{"slope":-0.0010626686060327762,"intercept":8.47059448819322,"variance":0.5607991348415163,"difficulty":808,"discrimination":0.004479398673070138,"irt_loglikelihood":-347.9713305086055,"irt_users":738,"is_experimental":false},"abc061_d":{"slope":-0.0007607342290356431,"intercept":9.340292254096177,"variance":0.44567945206119647,"difficulty":1838,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.76020707029852,"irt_users":738,"is_experimental":false},"abc062_a":{"slope":-0.0010773002821891074,"intercept":7.551288617256196,"variance":0.7057949950432851,"difficulty":-257,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.27362894512093,"irt_users":428,"is_experimental":false},"abc062_b":{"slope":-0.0011139322146297207,"intercept":7.3480526469701655,"variance":0.4851233314563538,"difficulty":99,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.36854995662944,"irt_users":428,"is_experimental":false},"arc074_a":{"slope":-0.0010807206694809983,"intercept":9.070271920980973,"variance":0.3984629082736399,"difficulty":1223,"discrimination":0.004479398673070138,"irt_loglikelihood":-326.91388196517835,"irt_users":867,"is_experimental":false},"arc074_b":{"slope":-0.00082997532592093,"intercept":8.975260403318975,"variance":0.30618126035761895,"difficulty":1730,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.9710530234554,"irt_users":867,"is_experimental":false},"abc063_a":{"slope":-0.0010378269266435327,"intercept":6.512663246716022,"variance":1.3237466044757469,"difficulty":-762,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.467102842093267,"irt_users":443,"is_experimental":false},"abc063_b":{"slope":-0.0013589237339584213,"intercept":7.261428116783465,"variance":0.5846936126629613,"difficulty":-140,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.823937906630626,"irt_users":443,"is_experimental":false},"arc075_a":{"slope":-0.0009404734290053562,"intercept":7.916019442481711,"variance":0.5201109176119877,"difficulty":507,"discrimination":0.004479398673070138,"irt_loglikelihood":-289.19001716355865,"irt_users":1052,"is_experimental":false},"arc075_b":{"slope":-0.0011673927023998477,"intercept":9.233268727185544,"variance":0.4737733670414134,"difficulty":1544,"discrimination":0.004479398673070138,"irt_loglikelihood":-332.110753086966,"irt_users":1052,"is_experimental":false},"abc064_a":{"slope":-0.0008368524785069367,"intercept":6.5925056162419535,"variance":1.0284959858602722,"difficulty":-482,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.72903428596232,"irt_users":711,"is_experimental":false},"abc064_b":{"slope":-0.000879667413662441,"intercept":6.5338144051651845,"variance":0.3876013402164285,"difficulty":-155,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.6545062658117,"irt_users":711,"is_experimental":false},"abc064_c":{"slope":-0.0008784696655558915,"intercept":8.456058214217698,"variance":0.38105537538883993,"difficulty":559,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.4939840912138,"irt_users":971,"is_experimental":false},"abc064_d":{"slope":-0.0007947855141250488,"intercept":8.137352758827305,"variance":0.4610761326110898,"difficulty":969,"discrimination":0.004479398673070138,"irt_loglikelihood":-478.8461958540492,"irt_users":971,"is_experimental":false},"abc065_a":{"slope":-0.0006294113216846093,"intercept":7.238936850136192,"variance":0.6505650810100404,"difficulty":-4,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.56235500630828,"irt_users":470,"is_experimental":false},"abc065_b":{"slope":-0.0007909827887203389,"intercept":7.6526270686853435,"variance":0.41712722021978077,"difficulty":459,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.62209282740614,"irt_users":470,"is_experimental":false},"arc076_a":{"slope":-0.0009410505028162285,"intercept":8.032634576917372,"variance":0.47735028168756105,"difficulty":684,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.24007801343555,"irt_users":1120,"is_experimental":false},"arc076_b":{"slope":-0.0009471446548331731,"intercept":9.118648954100172,"variance":0.42099468058583517,"difficulty":1615,"discrimination":0.004479398673070138,"irt_loglikelihood":-383.25302469539065,"irt_users":1120,"is_experimental":false},"abc066_a":{"slope":-0.001277834058538472,"intercept":6.978015938651299,"variance":0.954738333366023,"difficulty":-405,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.78439316983931,"irt_users":495,"is_experimental":false},"abc066_b":{"slope":-0.0008966394775073964,"intercept":7.64724111612709,"variance":0.4137627049280492,"difficulty":384,"discrimination":0.004479398673070138,"irt_loglikelihood":-200.8197160150288,"irt_users":495,"is_experimental":false},"arc077_a":{"slope":-0.0009747681553366496,"intercept":8.108207068772089,"variance":0.4375480353679897,"difficulty":552,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.81465731371003,"irt_users":1216,"is_experimental":false},"arc077_b":{"slope":-0.000845865393501375,"intercept":9.162575671039455,"variance":0.28402048370355365,"difficulty":1715,"discrimination":0.004479398673070138,"irt_loglikelihood":-346.20222215633544,"irt_users":1216,"is_experimental":false},"abc067_a":{"slope":-0.0009359763492980087,"intercept":6.912567686418331,"variance":0.9312568769416137,"difficulty":-339,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.1230797249171,"irt_users":518,"is_experimental":false},"abc067_b":{"slope":-0.0011677153856690307,"intercept":7.043516495489402,"variance":0.5202574959206941,"difficulty":-158,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.45022752660566,"irt_users":518,"is_experimental":false},"arc078_a":{"slope":-0.0010909750961680788,"intercept":8.207527808816192,"variance":0.6749289839626619,"difficulty":710,"discrimination":0.004479398673070138,"irt_loglikelihood":-502.10450393840233,"irt_users":1276,"is_experimental":false},"arc078_b":{"slope":-0.0009623022014286945,"intercept":9.237814109050994,"variance":0.3434721900466968,"difficulty":1431,"discrimination":0.004479398673070138,"irt_loglikelihood":-430.87641614028763,"irt_users":1276,"is_experimental":false},"abc068_a":{"slope":-0.0009193864155994263,"intercept":6.183297884988991,"variance":1.4543271625631953,"difficulty":-838,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.719137304329612,"irt_users":526,"is_experimental":false},"abc068_b":{"slope":-0.0010735746450917145,"intercept":7.1419300484612505,"variance":0.548624151464379,"difficulty":-118,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.33013183161022,"irt_users":526,"is_experimental":false},"arc079_a":{"slope":-0.0009464030364979748,"intercept":7.877499835825321,"variance":0.5397464261555142,"difficulty":609,"discrimination":0.004479398673070138,"irt_loglikelihood":-384.36399895496675,"irt_users":1295,"is_experimental":false},"arc079_b":{"slope":-0.0007705297493294884,"intercept":9.003489553871885,"variance":0.333517329678636,"difficulty":1545,"discrimination":0.004479398673070138,"irt_loglikelihood":-574.49982010597,"irt_users":1295,"is_experimental":false},"abc069_a":{"slope":-0.0008992293673332682,"intercept":6.336886872432015,"variance":1.293418652265978,"difficulty":-470,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.59455242213225,"irt_users":486,"is_experimental":false},"abc069_b":{"slope":-0.0010679538167740223,"intercept":6.365495010719617,"variance":0.5813962775053937,"difficulty":-317,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.1802784662659,"irt_users":486,"is_experimental":false},"arc080_a":{"slope":-0.0008347101565681876,"intercept":8.088678511899618,"variance":0.49673501292833966,"difficulty":578,"discrimination":0.004479398673070138,"irt_loglikelihood":-406.2848534527479,"irt_users":1234,"is_experimental":false},"arc080_b":{"slope":-0.0009445685010804551,"intercept":8.251256587418547,"variance":0.3425092349032982,"difficulty":852,"discrimination":0.004479398673070138,"irt_loglikelihood":-382.6834381272297,"irt_users":1234,"is_experimental":false},"abc070_a":{"slope":-0.0007928298003867221,"intercept":6.439089585575604,"variance":1.1930505235528035,"difficulty":-646,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.76445206065579,"irt_users":660,"is_experimental":false},"abc070_b":{"slope":-0.0010008165937303523,"intercept":7.266441457504061,"variance":0.5831083977104425,"difficulty":-93,"discrimination":0.004479398673070138,"irt_loglikelihood":-137.23845872774632,"irt_users":660,"is_experimental":false},"abc070_c":{"slope":-0.0012447396724159796,"intercept":8.104776443960136,"variance":0.692463580834577,"difficulty":697,"discrimination":0.004479398673070138,"irt_loglikelihood":-408.6935322900616,"irt_users":916,"is_experimental":false},"abc070_d":{"slope":-0.0009408740688888748,"intercept":8.465895006954254,"variance":0.4574346939742032,"difficulty":1182,"discrimination":0.004479398673070138,"irt_loglikelihood":-362.0265685410406,"irt_users":916,"is_experimental":false},"abc071_a":{"slope":-0.0008783389833360176,"intercept":6.594369682318507,"variance":0.9788915903860376,"difficulty":-610,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.16785384418762,"irt_users":532,"is_experimental":false},"abc071_b":{"slope":-0.0011162076089600683,"intercept":7.342629049471239,"variance":0.5974078827557706,"difficulty":115,"discrimination":0.004479398673070138,"irt_loglikelihood":-183.4722527156567,"irt_users":532,"is_experimental":false},"arc081_a":{"slope":-0.0009128916086718235,"intercept":8.038263565278463,"variance":0.5597009626480681,"difficulty":589,"discrimination":0.004479398673070138,"irt_loglikelihood":-420.61585642596054,"irt_users":1379,"is_experimental":false},"arc081_b":{"slope":-0.0007243720864222024,"intercept":8.41400206023368,"variance":0.31037684732724435,"difficulty":1165,"discrimination":0.004479398673070138,"irt_loglikelihood":-603.7528972374857,"irt_users":1379,"is_experimental":false},"abc072_a":{"slope":-0.0009191733399104229,"intercept":6.490614784940276,"variance":1.2928102888661523,"difficulty":-654,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.536774605488503,"irt_users":489,"is_experimental":false},"abc072_b":{"slope":-0.0012030151738734128,"intercept":6.532799212270087,"variance":0.5635823746960196,"difficulty":-297,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.01509437318142,"irt_users":489,"is_experimental":false},"arc082_a":{"slope":-0.0010007493358560654,"intercept":7.7081706778313865,"variance":0.6142593778811187,"difficulty":407,"discrimination":0.004479398673070138,"irt_loglikelihood":-306.9956237716833,"irt_users":1390,"is_experimental":false},"arc082_b":{"slope":-0.0007871807487318458,"intercept":7.79298415209305,"variance":0.46026502927588814,"difficulty":656,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.74811149035224,"irt_users":1390,"is_experimental":false},"abc073_a":{"slope":-0.0008824357422879992,"intercept":6.48412470941913,"variance":1.2236848357900976,"difficulty":-458,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.13868863606872,"irt_users":770,"is_experimental":false},"abc073_b":{"slope":-0.0007632375406559968,"intercept":6.20973431279239,"variance":0.41039685374181584,"difficulty":-179,"discrimination":0.004479398673070138,"irt_loglikelihood":-126.67033990479806,"irt_users":770,"is_experimental":false},"abc073_c":{"slope":-0.0012221957610495811,"intercept":7.684522354965696,"variance":0.8743653321468112,"difficulty":454,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.2932282385159,"irt_users":1051,"is_experimental":false},"abc073_d":{"slope":-0.0008950515492037096,"intercept":8.829311892679335,"variance":0.4731425973987259,"difficulty":1345,"discrimination":0.004479398673070138,"irt_loglikelihood":-393.20103342953854,"irt_users":1051,"is_experimental":false},"abc074_a":{"slope":-0.0009309018809529298,"intercept":6.2418189575832,"variance":1.3651545006927317,"difficulty":-1025,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.848299052548796,"irt_users":557,"is_experimental":false},"abc074_b":{"slope":-0.0008664616330218562,"intercept":7.164016604637361,"variance":0.3237974269188391,"difficulty":32,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.9733012802628,"irt_users":557,"is_experimental":false},"arc083_a":{"slope":-0.0007785422366193589,"intercept":8.97081874252546,"variance":0.2875595298458758,"difficulty":1255,"discrimination":0.004479398673070138,"irt_loglikelihood":-501.55498453782667,"irt_users":1229,"is_experimental":false},"arc083_b":{"slope":-0.0007019267568720277,"intercept":8.748442870264943,"variance":0.342305857212327,"difficulty":1563,"discrimination":0.004479398673070138,"irt_loglikelihood":-432.78723878618894,"irt_users":1229,"is_experimental":false},"abc075_a":{"slope":-0.0008403651380309193,"intercept":6.377374229240301,"variance":1.1681855404436698,"difficulty":-506,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.82472149151358,"irt_users":655,"is_experimental":false},"abc075_b":{"slope":-0.001047461001979154,"intercept":7.956524435810222,"variance":0.37972545060832663,"difficulty":368,"discrimination":0.004479398673070138,"irt_loglikelihood":-228.55635587784715,"irt_users":655,"is_experimental":false},"abc075_c":{"slope":-0.0010226202410762823,"intercept":8.434882992934401,"variance":0.5189685564227438,"difficulty":1067,"discrimination":0.004479398673070138,"irt_loglikelihood":-429.3164334791779,"irt_users":927,"is_experimental":false},"abc075_d":{"slope":-0.0008066753008133808,"intercept":8.635289233192976,"variance":0.38376629753191016,"difficulty":1470,"discrimination":0.004479398673070138,"irt_loglikelihood":-303.5918035526755,"irt_users":927,"is_experimental":false},"abc076_a":{"slope":-0.0007437824202732642,"intercept":6.391674957615953,"variance":1.1558978556421518,"difficulty":-452,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.07232972546298,"irt_users":685,"is_experimental":false},"abc076_b":{"slope":-0.0006826860753416492,"intercept":6.424511027148557,"variance":0.46896457155647686,"difficulty":-137,"discrimination":0.004479398673070138,"irt_loglikelihood":-127.78256306667701,"irt_users":685,"is_experimental":false},"abc076_c":{"slope":-0.0010190872350952643,"intercept":8.567402507450769,"variance":0.4025887318689304,"difficulty":846,"discrimination":0.004479398673070138,"irt_loglikelihood":-436.2953183859843,"irt_users":959,"is_experimental":false},"abc076_d":{"slope":-0.0006145047387329229,"intercept":9.076178837738414,"variance":0.21706542141226934,"difficulty":1884,"discrimination":0.004479398673070138,"irt_loglikelihood":-215.75807228991468,"irt_users":959,"is_experimental":false},"abc077_a":{"slope":-0.001263384536350388,"intercept":7.1563016368351935,"variance":0.8564085635501082,"difficulty":-228,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.76162390754942,"irt_users":580,"is_experimental":false},"abc077_b":{"slope":-0.0011164602422518936,"intercept":6.952302668638193,"variance":0.8373345465119532,"difficulty":-117,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.73273609472076,"irt_users":580,"is_experimental":false},"arc084_a":{"slope":-0.0011453402103443705,"intercept":9.031552620353406,"variance":0.5022499539845432,"difficulty":1096,"discrimination":0.004479398673070138,"irt_loglikelihood":-434.46778042586294,"irt_users":1167,"is_experimental":false},"abc078_a":{"slope":-0.0013348380998148893,"intercept":7.130726378833312,"variance":0.9770841889600502,"difficulty":-528,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.38135103402842,"irt_users":635,"is_experimental":false},"abc078_b":{"slope":-0.0011098873031472427,"intercept":6.955732479285951,"variance":0.4430869026176191,"difficulty":-334,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.06647823490007,"irt_users":635,"is_experimental":false},"arc085_a":{"slope":-0.000676552700859352,"intercept":7.790610006343147,"variance":0.6645276590944922,"difficulty":752,"discrimination":0.004479398673070138,"irt_loglikelihood":-645.4871604393437,"irt_users":1218,"is_experimental":false},"arc085_b":{"slope":-0.0005439586127990751,"intercept":8.52117902869965,"variance":0.35226242035480865,"difficulty":1550,"discrimination":0.004479398673070138,"irt_loglikelihood":-513.8247560665851,"irt_users":1218,"is_experimental":false},"abc079_a":{"slope":-0.0010244320401186322,"intercept":7.395856918545958,"variance":1.020906506734141,"difficulty":-145,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.09945602972917,"irt_users":828,"is_experimental":false},"abc079_b":{"slope":-0.0011034336271137743,"intercept":7.155395216037261,"variance":0.5945183543100964,"difficulty":50,"discrimination":0.004479398673070138,"irt_loglikelihood":-217.385215862,"irt_users":828,"is_experimental":false},"abc079_c":{"slope":-0.0008536290870368189,"intercept":7.699107801060225,"variance":0.35560367461840475,"difficulty":331,"discrimination":0.004479398673070138,"irt_loglikelihood":-317.8140422776112,"irt_users":1096,"is_experimental":false},"abc079_d":{"slope":-0.0010506855931644546,"intercept":8.360859524531065,"variance":0.40629977084482116,"difficulty":949,"discrimination":0.004479398673070138,"irt_loglikelihood":-410.45933969554295,"irt_users":1096,"is_experimental":false},"abc080_a":{"slope":-0.0009815025579790362,"intercept":6.4679236721064015,"variance":1.3153706082867704,"difficulty":-824,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.265418184682005,"irt_users":621,"is_experimental":false},"abc080_b":{"slope":-0.0009793036720314367,"intercept":6.7737007169961005,"variance":0.6357312258019375,"difficulty":-205,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.11546118808441,"irt_users":621,"is_experimental":false},"abc080_c":{"slope":-0.0010892359289447363,"intercept":8.981633264880948,"variance":0.281383275787363,"difficulty":1130,"discrimination":0.004479398673070138,"irt_loglikelihood":-390.83427507500386,"irt_users":830,"is_experimental":false},"abc080_d":{"slope":-0.0005424641484931591,"intercept":8.400632564143361,"variance":0.3753607789225297,"difficulty":1383,"discrimination":0.004479398673070138,"irt_loglikelihood":-338.6739222784015,"irt_users":830,"is_experimental":false},"abc081_a":{"slope":-0.0012560511287701163,"intercept":6.7347841454659685,"variance":1.0991792571945418,"difficulty":-418,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.28629530380297,"irt_users":490,"is_experimental":false},"abc081_b":{"slope":-0.0010761498805285953,"intercept":7.113642037478609,"variance":0.4051235429205029,"difficulty":-12,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.06778052513019,"irt_users":490,"is_experimental":false},"arc086_a":{"slope":-0.0010432138221985806,"intercept":7.980753609268163,"variance":0.5207469002492873,"difficulty":430,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.05707270158425,"irt_users":1169,"is_experimental":false},"arc086_b":{"slope":-0.0007445986166160788,"intercept":9.017848960542603,"variance":0.31002095213064984,"difficulty":1567,"discrimination":0.004479398673070138,"irt_loglikelihood":-427.08574869230296,"irt_users":1169,"is_experimental":false},"abc082_a":{"slope":-0.0011964310918064736,"intercept":6.966400499421338,"variance":0.997385003131258,"difficulty":-413,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.49592068074705,"irt_users":521,"is_experimental":false},"abc082_b":{"slope":-0.0011213775566878343,"intercept":7.883948335340583,"variance":0.6279273867715686,"difficulty":497,"discrimination":0.004479398673070138,"irt_loglikelihood":-270.5020451928513,"irt_users":521,"is_experimental":false},"arc087_a":{"slope":-0.0009539922577682251,"intercept":7.729165461114857,"variance":0.6855936070774397,"difficulty":593,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.7467163207231,"irt_users":1086,"is_experimental":false},"arc087_b":{"slope":-0.0007111234880807335,"intercept":9.056898401401595,"variance":0.2913076617268965,"difficulty":1508,"discrimination":0.004479398673070138,"irt_loglikelihood":-338.62286653432994,"irt_users":1086,"is_experimental":false},"abc083_a":{"slope":-0.0009616000915905879,"intercept":6.539915510404954,"variance":0.9357065832699718,"difficulty":-984,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.904855700601207,"irt_users":553,"is_experimental":false},"abc083_b":{"slope":-0.001378057783703484,"intercept":7.553728447779609,"variance":0.42928467713164215,"difficulty":62,"discrimination":0.004479398673070138,"irt_loglikelihood":-170.76579611603827,"irt_users":553,"is_experimental":false},"arc088_a":{"slope":-0.0007947429022145166,"intercept":7.14490756593724,"variance":0.6749158642906516,"difficulty":392,"discrimination":0.004479398673070138,"irt_loglikelihood":-369.746000197569,"irt_users":1210,"is_experimental":false},"arc088_b":{"slope":-0.0007500674902235565,"intercept":8.956609511878272,"variance":0.47810073845867335,"difficulty":1646,"discrimination":0.004479398673070138,"irt_loglikelihood":-496.9281280825721,"irt_users":1210,"is_experimental":false},"abc084_a":{"slope":-0.0007152130101584456,"intercept":5.98738290904007,"variance":1.4645957575141866,"difficulty":-968,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.221220083019487,"irt_users":684,"is_experimental":false},"abc084_b":{"slope":-0.0008685438508499436,"intercept":7.110249412606938,"variance":0.4585720102071955,"difficulty":-6,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.94375334459087,"irt_users":684,"is_experimental":false},"abc084_c":{"slope":-0.0009016026111931162,"intercept":8.388464597472964,"variance":0.2896255033591935,"difficulty":908,"discrimination":0.004479398673070138,"irt_loglikelihood":-439.66825549773597,"irt_users":932,"is_experimental":false},"abc084_d":{"slope":-0.0010392359545794002,"intercept":8.42231149824566,"variance":0.546507737047166,"difficulty":980,"discrimination":0.004479398673070138,"irt_loglikelihood":-384.6881187242689,"irt_users":932,"is_experimental":false},"abc085_a":{"slope":-0.0008182732776380705,"intercept":6.295651763936897,"variance":1.2812321286367325,"difficulty":-465,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.5175020245763,"irt_users":721,"is_experimental":false},"abc085_b":{"slope":-0.0009410183426092233,"intercept":6.674195021180764,"variance":0.4014181658100438,"difficulty":-106,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.7374187284429,"irt_users":721,"is_experimental":false},"abc085_c":{"slope":-0.000892199470688278,"intercept":7.961812604802512,"variance":0.5353243454559119,"difficulty":584,"discrimination":0.004479398673070138,"irt_loglikelihood":-442.33752627380215,"irt_users":998,"is_experimental":false},"abc085_d":{"slope":-0.0007699556668332975,"intercept":8.300675693227417,"variance":0.4612195651055737,"difficulty":954,"discrimination":0.004479398673070138,"irt_loglikelihood":-533.7447750794422,"irt_users":998,"is_experimental":false},"abc086_a":{"slope":-0.0009694213949899889,"intercept":6.266004367074035,"variance":1.2869131883392857,"difficulty":-864,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.416511794690194,"irt_users":702,"is_experimental":false},"abc086_b":{"slope":-0.0010510962643607523,"intercept":7.0978537048076005,"variance":0.5696322590195639,"difficulty":-146,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.5584178060802,"irt_users":702,"is_experimental":false},"arc089_a":{"slope":-0.0009258240135584056,"intercept":7.862063998120424,"variance":0.41926330728547373,"difficulty":397,"discrimination":0.004479398673070138,"irt_loglikelihood":-375.2027281035654,"irt_users":1531,"is_experimental":false},"arc089_b":{"slope":-0.0007565533272212504,"intercept":9.462658645809864,"variance":0.22087262053615073,"difficulty":1797,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.02087800503045,"irt_users":1531,"is_experimental":false},"abc087_a":{"slope":-0.0011102604869708957,"intercept":6.479723474247176,"variance":0.9168162799150867,"difficulty":-812,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.8349287644006,"irt_users":769,"is_experimental":false},"abc087_b":{"slope":-0.0007858208892672104,"intercept":6.9538574972953295,"variance":0.5610326419527433,"difficulty":161,"discrimination":0.004479398673070138,"irt_loglikelihood":-354.78310495555826,"irt_users":769,"is_experimental":false},"arc090_a":{"slope":-0.0009296139915017965,"intercept":7.590855987564497,"variance":0.4623445517355212,"difficulty":300,"discrimination":0.004479398673070138,"irt_loglikelihood":-403.3093540777313,"irt_users":1672,"is_experimental":false},"arc090_b":{"slope":-0.0010489968683695837,"intercept":9.23477324770212,"variance":0.4353819293904329,"difficulty":1452,"discrimination":0.004479398673070138,"irt_loglikelihood":-481.80060867390523,"irt_users":1672,"is_experimental":false},"abc088_a":{"slope":-0.00085440246966892,"intercept":6.62131217153313,"variance":1.121630797938072,"difficulty":-535,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.4138191518499,"irt_users":638,"is_experimental":false},"abc088_b":{"slope":-0.0008836438296067466,"intercept":6.834405711426723,"variance":0.4097636405204054,"difficulty":-182,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.16355785397758,"irt_users":638,"is_experimental":false},"abc088_c":{"slope":-0.0008131772965875672,"intercept":7.808026936180626,"variance":0.311294071334949,"difficulty":477,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.50579112971866,"irt_users":895,"is_experimental":false},"abc088_d":{"slope":-0.0008091959943822755,"intercept":8.446622925995582,"variance":0.2749892585740184,"difficulty":999,"discrimination":0.004479398673070138,"irt_loglikelihood":-401.0000041120692,"irt_users":895,"is_experimental":false},"abc089_a":{"slope":-0.0008862797330538958,"intercept":6.117206460394147,"variance":1.268340014774226,"difficulty":-515,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.81422585390791,"irt_users":750,"is_experimental":false},"abc089_b":{"slope":-0.0007922543632881461,"intercept":6.573836512110579,"variance":0.4943495208335905,"difficulty":-187,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.45496006370594,"irt_users":750,"is_experimental":false},"abc089_c":{"slope":-0.0011012791374176135,"intercept":8.209013398170352,"variance":0.41248253662162554,"difficulty":642,"discrimination":0.004479398673070138,"irt_loglikelihood":-443.3767784517917,"irt_users":988,"is_experimental":false},"abc089_d":{"slope":-0.0008810929750971627,"intercept":8.84792212085171,"variance":0.32422873895894766,"difficulty":1220,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.99133718014536,"irt_users":988,"is_experimental":false},"abc090_a":{"slope":-0.0011782079898320882,"intercept":6.686507130798563,"variance":1.1547093729355087,"difficulty":-454,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.66301009724673,"irt_users":728,"is_experimental":false},"abc090_b":{"slope":-0.0011480359906008636,"intercept":7.218076861107448,"variance":0.6121694184467811,"difficulty":8,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.90794113575998,"irt_users":728,"is_experimental":false},"arc091_a":{"slope":-0.0008325168498883775,"intercept":7.981246955131255,"variance":0.40422150321829003,"difficulty":514,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.4192115144946,"irt_users":1563,"is_experimental":false},"arc091_b":{"slope":-0.0008285117724227391,"intercept":8.583658810609627,"variance":0.3514007355401808,"difficulty":1129,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.4724497031525,"irt_users":1563,"is_experimental":false},"abc091_a":{"slope":-0.0008417051869435938,"intercept":6.323227742734926,"variance":1.19889137459038,"difficulty":-746,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.90918923209458,"irt_users":832,"is_experimental":false},"abc091_b":{"slope":-0.001065777670066046,"intercept":7.779188152730647,"variance":0.46288555680329646,"difficulty":310,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.23188399849676,"irt_users":832,"is_experimental":false},"arc092_a":{"slope":-0.0011749005802329897,"intercept":9.05328113144372,"variance":0.5757991175644261,"difficulty":1268,"discrimination":0.004479398673070138,"irt_loglikelihood":-553.8872779505604,"irt_users":1556,"is_experimental":false},"arc092_b":{"slope":-0.000576772489096772,"intercept":9.016075919332083,"variance":0.2769670996505435,"difficulty":2207,"discrimination":0.004479398673070138,"irt_loglikelihood":-263.7010224856624,"irt_users":1556,"is_experimental":false},"abc092_a":{"slope":-0.0010003137969749004,"intercept":6.425637324132486,"variance":0.8949762372147739,"difficulty":-827,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.08621475562857,"irt_users":900,"is_experimental":false},"abc092_b":{"slope":-0.0010297807825865811,"intercept":7.213970296741156,"variance":0.31044780456589677,"difficulty":-149,"discrimination":0.004479398673070138,"irt_loglikelihood":-167.18606524952745,"irt_users":900,"is_experimental":false},"arc093_a":{"slope":-0.0010326742506704151,"intercept":8.255739364555685,"variance":0.38255515555603165,"difficulty":577,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.3982481734193,"irt_users":1628,"is_experimental":false},"arc093_b":{"slope":-0.0007243762900490202,"intercept":8.803861774046716,"variance":0.30104403545358815,"difficulty":1445,"discrimination":0.004479398673070138,"irt_loglikelihood":-587.866279848287,"irt_users":1628,"is_experimental":false},"abc093_a":{"slope":-0.001294713154714362,"intercept":7.018744241539201,"variance":0.8336845289167314,"difficulty":-452,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.84133785561966,"irt_users":895,"is_experimental":false},"abc093_b":{"slope":-0.0010245404244393682,"intercept":7.441086368047597,"variance":0.5109078298587236,"difficulty":27,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.9632009885158,"irt_users":895,"is_experimental":false},"arc094_a":{"slope":-0.0007167193034265152,"intercept":7.59030913322017,"variance":0.44351339276709023,"difficulty":301,"discrimination":0.004479398673070138,"irt_loglikelihood":-406.33415641616534,"irt_users":1636,"is_experimental":false},"arc094_b":{"slope":-0.0005442568447325777,"intercept":8.866210311529434,"variance":0.2802259764739959,"difficulty":1869,"discrimination":0.004479398673070138,"irt_loglikelihood":-466.4402486476029,"irt_users":1636,"is_experimental":false},"abc094_a":{"slope":-0.0011394984112452814,"intercept":6.953461061060257,"variance":0.7047618153980866,"difficulty":-452,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.92854255022843,"irt_users":919,"is_experimental":false},"abc094_b":{"slope":-0.0010138718882867271,"intercept":7.2536382651082025,"variance":0.31766349723502935,"difficulty":-56,"discrimination":0.004479398673070138,"irt_loglikelihood":-252.5793676857934,"irt_users":919,"is_experimental":false},"arc095_a":{"slope":-0.0009406894052892356,"intercept":7.930546705388314,"variance":0.4223273029881699,"difficulty":566,"discrimination":0.004479398673070138,"irt_loglikelihood":-563.6048193237679,"irt_users":1765,"is_experimental":false},"arc095_b":{"slope":-0.0009071484569215605,"intercept":8.273771598111537,"variance":0.47208817135321124,"difficulty":867,"discrimination":0.004479398673070138,"irt_loglikelihood":-743.6056702068004,"irt_users":1765,"is_experimental":false},"abc095_a":{"slope":-0.001153815933779931,"intercept":6.653792011157222,"variance":0.9315474528828297,"difficulty":-766,"discrimination":0.004479398673070138,"irt_loglikelihood":-75.87243611866842,"irt_users":1009,"is_experimental":false},"abc095_b":{"slope":-0.0010632587136438455,"intercept":6.947427492494523,"variance":0.3579189195047425,"difficulty":-234,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.20198423697215,"irt_users":1009,"is_experimental":false},"arc096_a":{"slope":-0.0008229225384834899,"intercept":7.771755138019665,"variance":0.4076513462566072,"difficulty":273,"discrimination":0.004479398673070138,"irt_loglikelihood":-572.3164038397551,"irt_users":1958,"is_experimental":false},"arc096_b":{"slope":-0.000902085703124762,"intercept":9.186440878088792,"variance":0.20410778349398995,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.6631645511625,"irt_users":1958,"is_experimental":false},"abc096_a":{"slope":-0.0008194995664830542,"intercept":6.609841919105136,"variance":1.0504938729705775,"difficulty":-222,"discrimination":0.004479398673070138,"irt_loglikelihood":-269.82651383128194,"irt_users":1249,"is_experimental":false},"abc096_b":{"slope":-0.0009940902156100682,"intercept":6.959470395903696,"variance":0.44334150220772417,"difficulty":-207,"discrimination":0.004479398673070138,"irt_loglikelihood":-235.01342346375552,"irt_users":1249,"is_experimental":false},"abc096_c":{"slope":-0.001066787353953524,"intercept":8.03386765983809,"variance":0.37519819714860114,"difficulty":407,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.4096633253599,"irt_users":1518,"is_experimental":false},"abc096_d":{"slope":-0.0009037168176291551,"intercept":8.449101361264509,"variance":0.5393634391857032,"difficulty":1226,"discrimination":0.004479398673070138,"irt_loglikelihood":-630.7125043310681,"irt_users":1518,"is_experimental":false},"abc097_a":{"slope":-0.001231806619673281,"intercept":7.211054846217772,"variance":0.7308103221442399,"difficulty":-429,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.2780308747985,"irt_users":1064,"is_experimental":false},"abc097_b":{"slope":-0.0010534954824246306,"intercept":7.874185677223198,"variance":0.5161671598613777,"difficulty":207,"discrimination":0.004479398673070138,"irt_loglikelihood":-423.6314920114549,"irt_users":1064,"is_experimental":false},"arc097_a":{"slope":-0.0010285553286695746,"intercept":8.774130635775348,"variance":0.4752384353278312,"difficulty":1108,"discrimination":0.004479398673070138,"irt_loglikelihood":-744.4305106234974,"irt_users":1860,"is_experimental":false},"arc097_b":{"slope":-0.0010187310511820583,"intercept":8.63258849723942,"variance":0.3949052416931405,"difficulty":1270,"discrimination":0.004479398673070138,"irt_loglikelihood":-554.3451129551697,"irt_users":1860,"is_experimental":false},"abc098_a":{"slope":-0.0012641752346957812,"intercept":6.61016414356081,"variance":1.2140788278419254,"difficulty":-614,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.23567591011005,"irt_users":1065,"is_experimental":false},"abc098_b":{"slope":-0.0011532728542701439,"intercept":7.86795887823048,"variance":0.4352339615608786,"difficulty":358,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.91456942001537,"irt_users":1065,"is_experimental":false},"arc098_a":{"slope":-0.0010593375819382053,"intercept":8.249018585797035,"variance":0.4477334738592204,"difficulty":635,"discrimination":0.004479398673070138,"irt_loglikelihood":-647.6479417243495,"irt_users":1973,"is_experimental":false},"arc098_b":{"slope":-0.0011428052026327589,"intercept":9.2169294174036,"variance":0.47578028988922005,"difficulty":1404,"discrimination":0.004479398673070138,"irt_loglikelihood":-519.4895783350488,"irt_users":1973,"is_experimental":false},"abc099_a":{"slope":-0.0006479785973607575,"intercept":6.192560620133652,"variance":1.1311846878372929,"difficulty":-714,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.36106012762015,"irt_users":1433,"is_experimental":false},"abc099_b":{"slope":-0.0007115151288392584,"intercept":6.8628961723645885,"variance":0.5824261473831693,"difficulty":-46,"discrimination":0.004479398673070138,"irt_loglikelihood":-508.8060259954469,"irt_users":1433,"is_experimental":false},"abc099_c":{"slope":-0.0012249997100420103,"intercept":8.83462148096812,"variance":0.5403238340312744,"difficulty":1101,"discrimination":0.004479398673070138,"irt_loglikelihood":-724.8023738387323,"irt_users":1725,"is_experimental":false},"abc099_d":{"slope":-0.0009311388883295668,"intercept":8.832684682483652,"variance":0.26372420273705593,"difficulty":1345,"discrimination":0.004479398673070138,"irt_loglikelihood":-498.7305441405247,"irt_users":1725,"is_experimental":false},"abc100_a":{"slope":-0.0008735166412327984,"intercept":6.999389319650202,"variance":0.9287092398543073,"difficulty":-382,"discrimination":0.004479398673070138,"irt_loglikelihood":-261.52843101044857,"irt_users":1705,"is_experimental":false},"abc100_b":{"slope":-0.0008372103870379177,"intercept":7.932427775337168,"variance":0.5173275767755449,"difficulty":376,"discrimination":0.004479398673070138,"irt_loglikelihood":-862.1935517777139,"irt_users":1705,"is_experimental":false},"abc100_c":{"slope":-0.0008726702564120275,"intercept":7.506233748939859,"variance":0.42337815838560383,"difficulty":320,"discrimination":0.004479398673070138,"irt_loglikelihood":-762.0218383431891,"irt_users":2099,"is_experimental":false},"abc100_d":{"slope":-0.0006168952029151891,"intercept":8.128990279931427,"variance":0.38384093589996565,"difficulty":1331,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.8651945103082,"irt_users":2099,"is_experimental":false},"abc101_a":{"slope":-0.0011423055792904985,"intercept":6.722219909476036,"variance":0.9975189561223579,"difficulty":-545,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.121957728792,"irt_users":1449,"is_experimental":false},"abc101_b":{"slope":-0.0009998961757787814,"intercept":6.876614943966807,"variance":0.6302160799544844,"difficulty":-227,"discrimination":0.004479398673070138,"irt_loglikelihood":-267.92057252819774,"irt_users":1449,"is_experimental":false},"arc099_a":{"slope":-0.0005200568031218814,"intercept":7.76753343341839,"variance":0.6771797555760503,"difficulty":579,"discrimination":0.004479398673070138,"irt_loglikelihood":-1206.23350056666,"irt_users":2445,"is_experimental":false},"arc099_b":{"slope":-0.0004325292555984719,"intercept":8.848636276930385,"variance":0.18956574519012293,"difficulty":2001,"discrimination":0.004479398673070138,"irt_loglikelihood":-571.9045486094233,"irt_users":2445,"is_experimental":false},"abc102_a":{"slope":-0.0011540842366034108,"intercept":6.733051342626403,"variance":1.3401365326364612,"difficulty":-690,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.09337786231407,"irt_users":1354,"is_experimental":false},"abc102_b":{"slope":-0.0010278379857492188,"intercept":6.56423073490642,"variance":0.6329527705501473,"difficulty":-328,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.40248595398378,"irt_users":1354,"is_experimental":false},"arc100_a":{"slope":-0.0010729060143978629,"intercept":8.823836560465816,"variance":0.6655769595454466,"difficulty":1089,"discrimination":0.004479398673070138,"irt_loglikelihood":-910.3231462658483,"irt_users":2189,"is_experimental":false},"arc100_b":{"slope":-0.000584696578195542,"intercept":8.791849441675156,"variance":0.2529559471998212,"difficulty":1801,"discrimination":0.004479398673070138,"irt_loglikelihood":-494.80164289694886,"irt_users":2189,"is_experimental":false},"abc103_a":{"slope":-0.0008746783940621251,"intercept":6.9492495873538,"variance":0.8517327336390428,"difficulty":-324,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.02051105013038,"irt_users":1545,"is_experimental":false},"abc103_b":{"slope":-0.0009925368397245918,"intercept":7.392303335466893,"variance":0.521087718394416,"difficulty":110,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.83239210653403,"irt_users":1545,"is_experimental":false},"abc103_c":{"slope":-0.0007892055826587078,"intercept":7.393219455218993,"variance":0.7323351402034612,"difficulty":451,"discrimination":0.004479398673070138,"irt_loglikelihood":-936.3564586741337,"irt_users":1893,"is_experimental":false},"abc103_d":{"slope":-0.0009054935770203423,"intercept":8.675215189338582,"variance":0.3642889959021562,"difficulty":1278,"discrimination":0.004479398673070138,"irt_loglikelihood":-774.1092985943329,"irt_users":1893,"is_experimental":false},"abc104_a":{"slope":-0.0007246116406331007,"intercept":6.235997418075712,"variance":1.0877229714623322,"difficulty":-743,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.21469931439019,"irt_users":1433,"is_experimental":false},"abc104_b":{"slope":-0.000893673981603265,"intercept":7.781817002752226,"variance":0.458717311486914,"difficulty":188,"discrimination":0.004479398673070138,"irt_loglikelihood":-582.4208266942443,"irt_users":1433,"is_experimental":false},"abc104_c":{"slope":-0.0008852513565345836,"intercept":8.744056378995623,"variance":0.355233636122347,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-557.8902870843156,"irt_users":1744,"is_experimental":false},"abc104_d":{"slope":-0.0006002659236949676,"intercept":8.684815093448954,"variance":0.27810482374902834,"difficulty":1739,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.8447345893976,"irt_users":1744,"is_experimental":false},"abc105_a":{"slope":-0.0010840023738486301,"intercept":6.967261245857753,"variance":1.222878431200241,"is_experimental":false},"abc105_b":{"slope":-0.001135927852006598,"intercept":7.332594817796243,"variance":0.700837010992146,"is_experimental":false},"abc105_c":{"slope":-0.0008527488683135527,"intercept":8.533049298174815,"variance":0.4844204700502356,"difficulty":1204,"discrimination":0.004479398673070138,"irt_loglikelihood":-782.2746947897913,"irt_users":1539,"is_experimental":false},"abc105_d":{"slope":-0.0012124668329216207,"intercept":9.016691969899652,"variance":0.6018031904718026,"difficulty":1458,"discrimination":0.004479398673070138,"irt_loglikelihood":-484.59300312798916,"irt_users":1539,"is_experimental":false},"abc106_a":{"slope":-0.0007601808223796026,"intercept":6.1174196189133765,"variance":1.1568088194436936,"difficulty":-744,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.687783774577,"irt_users":1400,"is_experimental":false},"abc106_b":{"slope":-0.0009653797976455353,"intercept":7.245927463770471,"variance":0.655637076306354,"difficulty":-75,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.89419069357245,"irt_users":1400,"is_experimental":false},"abc106_c":{"slope":-0.0009854707195926212,"intercept":8.027929035816767,"variance":0.4380834379470137,"difficulty":441,"discrimination":0.004479398673070138,"irt_loglikelihood":-699.064027728317,"irt_users":1686,"is_experimental":false},"abc106_d":{"slope":-0.0010052259198837217,"intercept":8.81760318742606,"variance":0.39775366832443454,"difficulty":1319,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.5760012701604,"irt_users":1686,"is_experimental":false},"abc107_a":{"slope":-0.0010063940717120648,"intercept":6.040648474148773,"variance":1.3563629246261668,"difficulty":-913,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.65245333273155,"irt_users":1311,"is_experimental":false},"abc107_b":{"slope":-0.0010902375609748043,"intercept":8.190423991126421,"variance":0.36918312367530604,"difficulty":448,"discrimination":0.004479398673070138,"irt_loglikelihood":-606.8507131200381,"irt_users":1311,"is_experimental":false},"arc101_a":{"slope":-0.001118416379344221,"intercept":8.793759330727328,"variance":0.5150478814885314,"difficulty":947,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.9846490992499,"irt_users":2131,"is_experimental":false},"arc101_b":{"slope":-0.0006343625055948056,"intercept":9.068314043650979,"variance":0.2790209777383829,"difficulty":2073,"discrimination":0.004479398673070138,"irt_loglikelihood":-312.4753299772035,"irt_users":2131,"is_experimental":false},"abc108_a":{"slope":-0.001125896830591213,"intercept":6.780396589458614,"variance":0.7442000922888091,"difficulty":-703,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.09948631957367,"irt_users":1262,"is_experimental":false},"abc108_b":{"slope":-0.0006405664649844969,"intercept":7.561674188481219,"variance":0.4713065516992569,"difficulty":310,"discrimination":0.004479398673070138,"irt_loglikelihood":-737.7782681903586,"irt_users":1262,"is_experimental":false},"arc102_a":{"slope":-0.0009716540695850916,"intercept":8.512004556220282,"variance":0.4779254928425533,"difficulty":966,"discrimination":0.004479398673070138,"irt_loglikelihood":-847.190836327075,"irt_users":2012,"is_experimental":false},"arc102_b":{"slope":-0.0006397300721302594,"intercept":9.239430980888585,"variance":0.20473355130129567,"difficulty":1810,"discrimination":0.004479398673070138,"irt_loglikelihood":-414.2682622100343,"irt_users":2012,"is_experimental":false},"abc109_a":{"slope":-0.0007756583671638034,"intercept":6.254994904445022,"variance":1.0732659005576621,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.41269822931724,"irt_users":1656,"is_experimental":false},"abc109_b":{"slope":-0.0009280736989306678,"intercept":7.339558781551157,"variance":0.4149194315305993,"difficulty":93,"discrimination":0.004479398673070138,"irt_loglikelihood":-488.9383238300523,"irt_users":1656,"is_experimental":false},"abc109_c":{"slope":-0.0012122587729035904,"intercept":8.204445064387254,"variance":0.5268137416016326,"difficulty":542,"discrimination":0.004479398673070138,"irt_loglikelihood":-867.0162278664114,"irt_users":2020,"is_experimental":false},"abc109_d":{"slope":-0.0006801458895156091,"intercept":8.360524890655144,"variance":0.32224450531027493,"difficulty":1172,"discrimination":0.004479398673070138,"irt_loglikelihood":-872.7557060564039,"irt_users":2020,"is_experimental":false},"abc110_a":{"slope":-0.0007897904809905711,"intercept":6.690995009665361,"variance":0.8169344129379924,"is_experimental":false},"abc110_b":{"slope":-0.0008724263435076623,"intercept":7.4673290653985545,"variance":0.4264479020821585,"is_experimental":false},"abc110_c":{"slope":-0.0007638616278316407,"intercept":8.130718389614373,"variance":0.5852988586383062,"difficulty":949,"discrimination":0.004479398673070138,"irt_loglikelihood":-993.2034097002736,"irt_users":1595,"is_experimental":false},"abc110_d":{"slope":-0.0010328159320075793,"intercept":9.097473262753992,"variance":0.462808373290022,"difficulty":1695,"discrimination":0.004479398673070138,"irt_loglikelihood":-374.32460673182743,"irt_users":1595,"is_experimental":false},"abc111_a":{"slope":-0.0012357768875022562,"intercept":6.757112967552435,"variance":0.8917352239765122,"difficulty":-627,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.32587883754785,"irt_users":1279,"is_experimental":false},"abc111_b":{"slope":-0.000968522075161498,"intercept":6.684688323130447,"variance":0.5983161822636857,"difficulty":-370,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.7741701608584,"irt_users":1279,"is_experimental":false},"arc103_a":{"slope":-0.0009749114515144573,"intercept":8.691143172528616,"variance":0.37304888796449137,"difficulty":826,"discrimination":0.004479398673070138,"irt_loglikelihood":-908.7068930063954,"irt_users":2243,"is_experimental":false},"arc103_b":{"slope":-0.0004948324529032462,"intercept":9.025368358212777,"variance":0.18251515847939442,"difficulty":2677,"discrimination":0.004479398673070138,"irt_loglikelihood":-151.30222959923697,"irt_users":2243,"is_experimental":false},"abc112_a":{"slope":-0.0007364927480259431,"intercept":6.152502271615002,"variance":1.0034775295249254,"difficulty":-687,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.97904119904018,"irt_users":1665,"is_experimental":false},"abc112_b":{"slope":-0.0009748361712377157,"intercept":6.991897741579915,"variance":0.45963989179935083,"difficulty":-175,"discrimination":0.004479398673070138,"irt_loglikelihood":-327.302643714219,"irt_users":1665,"is_experimental":false},"abc112_c":{"slope":-0.0008022790469542829,"intercept":8.698007474959539,"variance":0.37221888096812955,"difficulty":1147,"discrimination":0.004479398673070138,"irt_loglikelihood":-874.1639023568421,"irt_users":2024,"is_experimental":false},"abc112_d":{"slope":-0.0010078583259554449,"intercept":8.599104014379268,"variance":0.5776225167162885,"difficulty":1025,"discrimination":0.004479398673070138,"irt_loglikelihood":-932.5157839720854,"irt_users":2024,"is_experimental":false},"abc113_a":{"slope":-0.0006630949376878939,"intercept":5.900721118793024,"variance":1.1152252648823142,"difficulty":-910,"discrimination":0.004479398673070138,"irt_loglikelihood":-78.09627877524319,"irt_users":1662,"is_experimental":false},"abc113_b":{"slope":-0.0010041572949131656,"intercept":7.523430622107923,"variance":0.4855604281040565,"difficulty":144,"discrimination":0.004479398673070138,"irt_loglikelihood":-559.4171039069461,"irt_users":1662,"is_experimental":false},"abc113_c":{"slope":-0.001051314014048458,"intercept":8.532069344256483,"variance":0.3487888732655213,"difficulty":878,"discrimination":0.004479398673070138,"irt_loglikelihood":-981.6313401238924,"irt_users":2025,"is_experimental":false},"abc113_d":{"slope":-0.001102865530110401,"intercept":9.357824666624394,"variance":0.24384250872595997,"difficulty":1597,"discrimination":0.004479398673070138,"irt_loglikelihood":-414.68346877626965,"irt_users":2025,"is_experimental":false},"abc114_a":{"slope":-0.0007182215075168824,"intercept":5.873793127219314,"variance":1.1902683739673463,"difficulty":-636,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.839972805922,"irt_users":1214,"is_experimental":false},"abc114_b":{"slope":-0.0010501947440266911,"intercept":7.1872964006427935,"variance":0.46818168730884113,"difficulty":2,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.1205935188131,"irt_users":1214,"is_experimental":false},"abc114_c":{"slope":-0.0010395119893755378,"intercept":8.752726394741627,"variance":0.4354761327130836,"difficulty":1045,"discrimination":0.004479398673070138,"irt_loglikelihood":-715.4795438895667,"irt_users":1519,"is_experimental":false},"abc114_d":{"slope":-0.0009335357745204813,"intercept":8.865710254357056,"variance":0.27672959617710574,"difficulty":1337,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.0749100515103,"irt_users":1519,"is_experimental":false},"abc115_a":{"slope":-0.0006122048040491329,"intercept":5.9827474525332205,"variance":0.8479068409183581,"difficulty":-832,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.09031270712413,"irt_users":1381,"is_experimental":false},"abc115_b":{"slope":-0.0009088495977237707,"intercept":6.314819877824675,"variance":0.3974885795697083,"difficulty":-430,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.96064749686997,"irt_users":1381,"is_experimental":false},"abc115_c":{"slope":-0.0012161071702979614,"intercept":7.619280460940806,"variance":0.5270091367951578,"difficulty":273,"discrimination":0.004479398673070138,"irt_loglikelihood":-565.3832350030532,"irt_users":1733,"is_experimental":false},"abc115_d":{"slope":-0.0008086230358217886,"intercept":8.826342995350833,"variance":0.23644515998499127,"difficulty":1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-683.9420426684238,"irt_users":1733,"is_experimental":false},"abc116_a":{"slope":-0.0006819036219199377,"intercept":5.92806919227423,"variance":1.1850457140257293,"difficulty":-1030,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.00405814212455,"irt_users":1151,"is_experimental":false},"abc116_b":{"slope":-0.0010303337257907925,"intercept":7.542807655137718,"variance":0.3668700009722542,"difficulty":-55,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.8463416762173,"irt_users":1151,"is_experimental":false},"abc116_c":{"slope":-0.0011299133059093018,"intercept":8.236321121811008,"variance":0.4633708376255092,"difficulty":542,"discrimination":0.004479398673070138,"irt_loglikelihood":-654.1685339059969,"irt_users":1432,"is_experimental":false},"abc116_d":{"slope":-0.0007780718872089659,"intercept":9.191544939963231,"variance":0.27987461018187915,"difficulty":1712,"discrimination":0.004479398673070138,"irt_loglikelihood":-245.87723553275276,"irt_users":1432,"is_experimental":false},"abc117_a":{"slope":-0.0007879146197349307,"intercept":6.126568426546059,"variance":0.9393881679386556,"difficulty":-940,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.05712667682096,"irt_users":1867,"is_experimental":false},"abc117_b":{"slope":-0.0009095864641214318,"intercept":6.608088409267521,"variance":0.4348382009628642,"difficulty":-475,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.41672813464413,"irt_users":1867,"is_experimental":false},"abc117_c":{"slope":-0.0008662444795302235,"intercept":8.007717162746593,"variance":0.4221281606541687,"difficulty":612,"discrimination":0.004479398673070138,"irt_loglikelihood":-1346.1946249916198,"irt_users":2332,"is_experimental":false},"abc117_d":{"slope":-0.000936834092868753,"intercept":9.094929347002898,"variance":0.38803127881367006,"difficulty":1423,"discrimination":0.004479398673070138,"irt_loglikelihood":-708.229881350166,"irt_users":2332,"is_experimental":false},"abc118_a":{"slope":-0.0007684020651753204,"intercept":6.011333579863834,"variance":1.1874216798517807,"difficulty":-869,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.16151009037381,"irt_users":2008,"is_experimental":false},"abc118_b":{"slope":-0.0012348562682342658,"intercept":7.509465018186581,"variance":0.44286815921406825,"difficulty":3,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.8839476049258,"irt_users":2008,"is_experimental":false},"abc118_c":{"slope":-0.0013223581401702522,"intercept":8.222595841401244,"variance":0.6749475987729864,"difficulty":646,"discrimination":0.004479398673070138,"irt_loglikelihood":-1292.1334746670798,"irt_users":2442,"is_experimental":false},"abc118_d":{"slope":-0.0006619775680720775,"intercept":8.881759153638702,"variance":0.30752713797776526,"difficulty":1657,"discrimination":0.004479398673070138,"irt_loglikelihood":-491.8630322466751,"irt_users":2442,"is_experimental":false},"abc119_a":{"slope":-0.0008431695108659941,"intercept":6.946915027932801,"variance":0.6739831096313644,"difficulty":-417,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.28138469831214,"irt_users":1962,"is_experimental":false},"abc119_b":{"slope":-0.0008210306865070243,"intercept":6.7805853525031425,"variance":0.35221068836922065,"difficulty":-292,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.37765516130287,"irt_users":1962,"is_experimental":false},"abc119_c":{"slope":-0.0010951350670974711,"intercept":8.986035363655095,"variance":0.27686129130212883,"difficulty":1346,"discrimination":0.004479398673070138,"irt_loglikelihood":-684.3411802750907,"irt_users":2420,"is_experimental":false},"abc119_d":{"slope":-0.0010340139940627807,"intercept":9.061685042301754,"variance":0.28166446685573915,"difficulty":1346,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.7154328116343,"irt_users":2420,"is_experimental":false},"abc120_a":{"slope":-0.0008114793343228897,"intercept":6.2740370179651475,"variance":0.8358027327544655,"difficulty":-930,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.00127091170059,"irt_users":2361,"is_experimental":false},"abc120_b":{"slope":-0.0008800477884465102,"intercept":7.140446961799946,"variance":0.5244442624532648,"difficulty":-168,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.5393571710156,"irt_users":2361,"is_experimental":false},"abc120_c":{"slope":-0.0009672407072030909,"intercept":7.614424636916988,"variance":0.7142038471489763,"difficulty":372,"discrimination":0.004479398673070138,"irt_loglikelihood":-1236.4434976252055,"irt_users":2901,"is_experimental":false},"abc120_d":{"slope":-0.001123692592610455,"intercept":9.04395373198054,"variance":0.38815686478717093,"difficulty":1355,"discrimination":0.004479398673070138,"irt_loglikelihood":-721.8712152682652,"irt_users":2901,"is_experimental":false},"abc121_a":{"slope":-0.0008597971167857583,"intercept":6.440184962769214,"variance":0.7783669475732291,"difficulty":-831,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.96683107952978,"irt_users":2287,"is_experimental":false},"abc121_b":{"slope":-0.0009717156176927013,"intercept":6.936911857713658,"variance":0.30249731810280095,"difficulty":-245,"discrimination":0.004479398673070138,"irt_loglikelihood":-372.9637806178161,"irt_users":2287,"is_experimental":false},"abc121_c":{"slope":-0.0011535728372467605,"intercept":7.8189883930761575,"variance":0.3903718034691181,"difficulty":358,"discrimination":0.004479398673070138,"irt_loglikelihood":-1050.9768054250867,"irt_users":2847,"is_experimental":false},"abc121_d":{"slope":-0.0007405498908463122,"intercept":8.475630656616401,"variance":0.5634218249725976,"difficulty":1164,"discrimination":0.004479398673070138,"irt_loglikelihood":-1117.1547465816147,"irt_users":2847,"is_experimental":false},"abc122_a":{"slope":-0.0006452986994290432,"intercept":6.0733432969792505,"variance":0.9054429008396858,"difficulty":-794,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.85485421745815,"irt_users":2192,"is_experimental":false},"abc122_b":{"slope":-0.000960759068018665,"intercept":7.295173678909476,"variance":0.5374178170812169,"difficulty":-122,"discrimination":0.004479398673070138,"irt_loglikelihood":-505.34322364712716,"irt_users":2192,"is_experimental":false},"abc122_c":{"slope":-0.0011189135270482573,"intercept":8.179134539417506,"variance":0.4802339491822774,"difficulty":700,"discrimination":0.004479398673070138,"irt_loglikelihood":-1142.1448428220103,"irt_users":2614,"is_experimental":false},"abc122_d":{"slope":-0.0009030549524377146,"intercept":9.021747704131103,"variance":0.26672341812624817,"difficulty":1533,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.7039785070799,"irt_users":2614,"is_experimental":false},"abc123_a":{"slope":-0.0008645250508092106,"intercept":6.905541869317583,"variance":0.6645310200570218,"difficulty":-628,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.88126743196693,"irt_users":2997,"is_experimental":false},"abc123_b":{"slope":-0.0009902800013045954,"intercept":7.7540384121299075,"variance":0.3177365712562898,"difficulty":1,"discrimination":0.004479398673070138,"irt_loglikelihood":-925.775906748024,"irt_users":2997,"is_experimental":false},"abc123_c":{"slope":-0.0008065352033795421,"intercept":7.877564672204893,"variance":0.4797673892037309,"difficulty":643,"discrimination":0.004479398673070138,"irt_loglikelihood":-2021.2303804702788,"irt_users":3394,"is_experimental":false},"abc123_d":{"slope":-0.0005438474539415186,"intercept":8.416878752764703,"variance":0.3698840686310353,"difficulty":1489,"discrimination":0.004479398673070138,"irt_loglikelihood":-707.2744900559666,"irt_users":3394,"is_experimental":false},"abc124_a":{"slope":-0.0009314099611543869,"intercept":6.452068264723121,"variance":0.7859581364259491,"difficulty":-1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.82916431121086,"irt_users":3366,"is_experimental":false},"abc124_b":{"slope":-0.0010718978221496262,"intercept":6.7940408477829495,"variance":0.3685900864475218,"difficulty":-313,"discrimination":0.004479398673070138,"irt_loglikelihood":-585.2823333063475,"irt_users":3366,"is_experimental":false},"abc124_c":{"slope":-0.0011804268208049577,"intercept":7.477325827257627,"variance":0.45244299529799953,"difficulty":34,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.562374091798,"irt_users":3891,"is_experimental":false},"abc124_d":{"slope":-0.0008563852719097051,"intercept":8.92810547767946,"variance":0.24619648677607692,"difficulty":1138,"discrimination":0.004479398673070138,"irt_loglikelihood":-1346.6927958389776,"irt_users":3891,"is_experimental":false},"abc125_a":{"slope":-0.0009067741751071067,"intercept":6.433707309362639,"variance":0.7839259017821294,"difficulty":-832,"discrimination":0.004479398673070138,"irt_loglikelihood":-231.42966099247988,"irt_users":3469,"is_experimental":false},"abc125_b":{"slope":-0.0009129088827678407,"intercept":6.605826731951449,"variance":0.3879041355153258,"difficulty":-353,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.7001771520285,"irt_users":3469,"is_experimental":false},"abc125_c":{"slope":-0.0011845529982625967,"intercept":8.867559274101295,"variance":0.5523251449400618,"difficulty":1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-1524.4617149126088,"irt_users":4052,"is_experimental":false},"abc125_d":{"slope":-0.0009618327609256252,"intercept":8.419307212687473,"variance":0.4883239184877404,"difficulty":833,"discrimination":0.004479398673070138,"irt_loglikelihood":-2036.2727107235448,"irt_users":4052,"is_experimental":false},"abc126_a":{"slope":-0.0008804976840177097,"intercept":6.85714354472861,"variance":0.533294828042023,"is_experimental":false},"abc126_b":{"slope":-0.0009118923298708185,"intercept":7.464776735666234,"variance":0.44413683058686915,"is_experimental":false},"abc126_c":{"slope":-0.0010715064825490709,"intercept":8.24304525376489,"variance":0.40305893640960505,"difficulty":638,"discrimination":0.004479398673070138,"irt_loglikelihood":-1943.2538837189638,"irt_users":4082,"is_experimental":false},"abc126_d":{"slope":-0.001276208973879537,"intercept":8.82989121153897,"variance":0.3724912077816645,"difficulty":1279,"discrimination":0.004479398673070138,"irt_loglikelihood":-1286.5822668450967,"irt_users":4082,"is_experimental":false},"abc126_e":{"slope":-0.0012319077047138018,"intercept":8.571032645666333,"variance":0.3992564806295574,"difficulty":1340,"discrimination":0.004479398673070138,"irt_loglikelihood":-1184.4718100348919,"irt_users":4082,"is_experimental":false},"abc126_f":{"slope":-0.0003905806238936636,"intercept":8.246726174339276,"variance":0.2345721338678309,"difficulty":1770,"discrimination":0.004479398673070138,"irt_loglikelihood":-674.1297427615201,"irt_users":4082,"is_experimental":false},"abc127_a":{"slope":-0.0008868756073551073,"intercept":6.287741886693686,"variance":0.7245836324948068,"difficulty":-912,"discrimination":0.004479398673070138,"irt_loglikelihood":-179.9594019957433,"irt_users":4018,"is_experimental":false},"abc127_b":{"slope":-0.0007642853556536952,"intercept":6.093181114951924,"variance":0.2797611577158846,"difficulty":-688,"discrimination":0.004479398673070138,"irt_loglikelihood":-283.4355183817187,"irt_users":4018,"is_experimental":false},"abc127_c":{"slope":-0.0013033525661057027,"intercept":7.8388628667950275,"variance":0.4648279637196961,"difficulty":194,"discrimination":0.004479398673070138,"irt_loglikelihood":-1330.3744056733342,"irt_users":4106,"is_experimental":false},"abc127_d":{"slope":-0.0010329741519058955,"intercept":8.575701981859739,"variance":0.37623272285323384,"difficulty":887,"discrimination":0.004479398673070138,"irt_loglikelihood":-1703.3413466077186,"irt_users":4106,"is_experimental":false},"abc127_e":{"slope":-0.000836929632132979,"intercept":9.11397990642068,"variance":0.2668751678320719,"difficulty":1938,"discrimination":0.004479398673070138,"irt_loglikelihood":-488.65261309764315,"irt_users":4106,"is_experimental":false},"abc127_f":{"slope":-0.0004927040767055517,"intercept":8.764747910204662,"variance":0.28958848268970244,"difficulty":2003,"discrimination":0.004479398673070138,"irt_loglikelihood":-399.94999863954763,"irt_users":4106,"is_experimental":false},"abc128_a":{"slope":-0.0008126323131460617,"intercept":6.018512018584481,"variance":0.7646177705383496,"difficulty":-1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-197.2595789872677,"irt_users":4604,"is_experimental":false},"abc128_b":{"slope":-0.0012570887949389618,"intercept":7.956167893607969,"variance":0.4965779585418592,"difficulty":347,"discrimination":0.004479398673070138,"irt_loglikelihood":-1906.7433285053737,"irt_users":4604,"is_experimental":false},"abc128_c":{"slope":-0.0011671738541765469,"intercept":8.5828661435371,"variance":0.28183621453096747,"difficulty":805,"discrimination":0.004479398673070138,"irt_loglikelihood":-1801.687602963897,"irt_users":4714,"is_experimental":false},"abc128_d":{"slope":-0.0009385616948585884,"intercept":8.838228519199077,"variance":0.3064970698192424,"difficulty":1354,"discrimination":0.004479398673070138,"irt_loglikelihood":-1235.984364426353,"irt_users":4714,"is_experimental":false},"abc128_e":{"slope":-0.0008365448033843566,"intercept":9.068435003778541,"variance":0.27805121365114166,"difficulty":1840,"discrimination":0.004479398673070138,"irt_loglikelihood":-547.6159224167336,"irt_users":4714,"is_experimental":false},"abc128_f":{"slope":-0.00037638878438719833,"intercept":8.651915290502238,"variance":0.20505136822564632,"difficulty":2464,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.30888648169852,"irt_users":4714,"is_experimental":false},"abc129_a":{"slope":-0.0009400911729020931,"intercept":6.4340299818911095,"variance":0.6051142991997472,"difficulty":-727,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.64216057153018,"irt_users":4033,"is_experimental":false},"abc129_b":{"slope":-0.0010931089379664569,"intercept":7.2280795116262,"variance":0.3632391386282447,"difficulty":-182,"discrimination":0.004479398673070138,"irt_loglikelihood":-660.6735636556119,"irt_users":4033,"is_experimental":false},"abc129_c":{"slope":-0.0015578633612976897,"intercept":8.637589765034564,"variance":0.5564285964562542,"difficulty":796,"discrimination":0.004479398673070138,"irt_loglikelihood":-1491.4338831016819,"irt_users":4116,"is_experimental":false},"abc129_d":{"slope":-0.001123671146479527,"intercept":8.77247245307779,"variance":0.27798661303079775,"difficulty":1103,"discrimination":0.004479398673070138,"irt_loglikelihood":-1272.7386077117228,"irt_users":4116,"is_experimental":false},"abc129_e":{"slope":-0.0011625906785068375,"intercept":9.281201841424691,"variance":0.3104197198721673,"difficulty":1547,"discrimination":0.004479398673070138,"irt_loglikelihood":-753.4289844046684,"irt_users":4116,"is_experimental":false},"abc129_f":{"difficulty":2621,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.67516372108071,"irt_users":4116,"is_experimental":false,"slope":-0.00009552174277615141,"intercept":8.200289274228746,"variance":0.21810995183721255},"abc130_a":{"slope":-0.0008641691612742773,"intercept":5.740781094394985,"variance":0.9236710727586284,"difficulty":-977,"discrimination":0.004479398673070138,"irt_loglikelihood":-190.18082608367908,"irt_users":4484,"is_experimental":false},"abc130_b":{"slope":-0.0010548002707613485,"intercept":7.076211469539747,"variance":0.5963631733951483,"difficulty":-300,"discrimination":0.004479398673070138,"irt_loglikelihood":-788.6767369292571,"irt_users":4484,"is_experimental":false},"abc130_c":{"slope":-0.0007649664252581006,"intercept":7.642923084815628,"variance":0.6511116525934362,"difficulty":626,"discrimination":0.004479398673070138,"irt_loglikelihood":-2833.120282272462,"irt_users":4571,"is_experimental":false},"abc130_d":{"slope":-0.0012461879839044362,"intercept":8.771936146245961,"variance":0.40891831250190136,"difficulty":865,"discrimination":0.004479398673070138,"irt_loglikelihood":-1629.8334454485432,"irt_users":4571,"is_experimental":false},"abc130_e":{"slope":-0.0006168053576589582,"intercept":8.539424353602202,"variance":0.3987112252701866,"difficulty":1676,"discrimination":0.004479398673070138,"irt_loglikelihood":-738.8548965764237,"irt_users":4571,"is_experimental":false},"abc130_f":{"slope":-0.00030011009438420366,"intercept":8.412013904695014,"variance":0.3441600221590916,"difficulty":2240,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.74442574316737,"irt_users":4571,"is_experimental":false},"abc131_a":{"slope":-0.000987254049882375,"intercept":6.580467074398587,"variance":0.6402960213693641,"difficulty":-742,"discrimination":0.004479398673070138,"irt_loglikelihood":-290.97471398088766,"irt_users":4503,"is_experimental":false},"abc131_b":{"slope":-0.0009410259419820658,"intercept":7.418381501369816,"variance":0.27757149873701686,"difficulty":-183,"discrimination":0.004479398673070138,"irt_loglikelihood":-880.1899468526404,"irt_users":4503,"is_experimental":false},"abc131_c":{"slope":-0.0012008067549822013,"intercept":8.17682046339513,"variance":0.3572672139206826,"difficulty":518,"discrimination":0.004479398673070138,"irt_loglikelihood":-1894.6004157759705,"irt_users":4595,"is_experimental":false},"abc131_d":{"slope":-0.0010183457429359833,"intercept":7.720836135308175,"variance":0.4484633140384196,"difficulty":588,"discrimination":0.004479398673070138,"irt_loglikelihood":-1752.0220358862855,"irt_users":4595,"is_experimental":false},"abc131_e":{"slope":-0.0006656608844492652,"intercept":8.54353766301756,"variance":0.27214375582648714,"difficulty":1433,"discrimination":0.004479398673070138,"irt_loglikelihood":-1218.6016621217416,"irt_users":4595,"is_experimental":false},"abc131_f":{"slope":-0.0005613392847537393,"intercept":8.618091347916407,"variance":0.3042688374899159,"difficulty":1937,"discrimination":0.004479398673070138,"irt_loglikelihood":-457.2847462940893,"irt_users":4595,"is_experimental":false},"abc132_a":{"slope":-0.0010090810230706931,"intercept":7.046705772309927,"variance":0.5080930282847033,"difficulty":-483,"discrimination":0.004479398673070138,"irt_loglikelihood":-523.012588936875,"irt_users":4264,"is_experimental":false},"abc132_b":{"slope":-0.000951214886107116,"intercept":6.719174987968608,"variance":0.3120493576053627,"difficulty":-423,"discrimination":0.004479398673070138,"irt_loglikelihood":-506.47631768502646,"irt_users":4264,"is_experimental":false},"abc132_c":{"slope":-0.0009631234909742401,"intercept":6.850956286046531,"variance":0.35872655023230554,"difficulty":-99,"discrimination":0.004479398673070138,"irt_loglikelihood":-951.5782583927762,"irt_users":4370,"is_experimental":false},"abc132_d":{"slope":-0.0008526233440532689,"intercept":8.763378060563348,"variance":0.30836769237485984,"difficulty":1167,"discrimination":0.004479398673070138,"irt_loglikelihood":-1675.523186610211,"irt_users":4370,"is_experimental":false},"abc132_e":{"slope":-0.0011233643020973666,"intercept":9.279905591129248,"variance":0.37510159904937423,"difficulty":1625,"discrimination":0.004479398673070138,"irt_loglikelihood":-755.4985572312221,"irt_users":4370,"is_experimental":false},"abc132_f":{"slope":-0.000425719946277748,"intercept":8.583980335834822,"variance":0.17299004666765008,"difficulty":2143,"discrimination":0.004479398673070138,"irt_loglikelihood":-261.23505181957756,"irt_users":4370,"is_experimental":false},"abc133_a":{"slope":-0.000855860262181962,"intercept":5.933767411145718,"variance":0.856692205691114,"difficulty":-1009,"discrimination":0.004479398673070138,"irt_loglikelihood":-228.51847915056055,"irt_users":4588,"is_experimental":false},"abc133_b":{"slope":-0.0011163598681160378,"intercept":7.613683143558864,"variance":0.2869011215171691,"difficulty":47,"discrimination":0.004479398673070138,"irt_loglikelihood":-1246.4712683050748,"irt_users":4588,"is_experimental":false},"abc133_c":{"slope":-0.0012346018117155343,"intercept":8.398679507054444,"variance":0.5896174644022948,"difficulty":592,"discrimination":0.004479398673070138,"irt_loglikelihood":-2130.5370811532453,"irt_users":4689,"is_experimental":false},"abc133_d":{"slope":-0.0006746063634131392,"intercept":8.137381821118609,"variance":0.3032130657770925,"difficulty":938,"discrimination":0.004479398673070138,"irt_loglikelihood":-1957.5862112018792,"irt_users":4689,"is_experimental":false},"abc133_e":{"slope":-0.0007053854847227144,"intercept":8.632808903703351,"variance":0.2510477196602624,"difficulty":1505,"discrimination":0.004479398673070138,"irt_loglikelihood":-994.3752979323267,"irt_users":4689,"is_experimental":false},"abc133_f":{"difficulty":2330,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.44993837389956,"irt_users":4689,"is_experimental":false},"abc134_a":{"slope":-0.0008708543096888196,"intercept":5.618055304911444,"variance":1.0133070561468869,"difficulty":-1059,"discrimination":0.004479398673070138,"irt_loglikelihood":-147.42810623700234,"irt_users":4154,"is_experimental":false},"abc134_b":{"slope":-0.0009228395008321097,"intercept":6.519881591147868,"variance":0.36566431198078014,"difficulty":-455,"discrimination":0.004479398673070138,"irt_loglikelihood":-461.2727751339018,"irt_users":4154,"is_experimental":false},"abc134_c":{"slope":-0.0011735784284722713,"intercept":7.500112918055575,"variance":0.4712616066745712,"difficulty":-31,"discrimination":0.004479398673070138,"irt_loglikelihood":-936.2774837066687,"irt_users":4248,"is_experimental":false},"abc134_d":{"slope":-0.0009957769881779798,"intercept":8.739134646221466,"variance":0.31400979105413757,"difficulty":926,"discrimination":0.004479398673070138,"irt_loglikelihood":-1853.6987135450404,"irt_users":4248,"is_experimental":false},"abc134_e":{"slope":-0.0009422588546365958,"intercept":8.732873950137916,"variance":0.4974052152410542,"difficulty":1320,"discrimination":0.004479398673070138,"irt_loglikelihood":-1246.8790399245863,"irt_users":4248,"is_experimental":false},"abc134_f":{"slope":-0.00038746524317255135,"intercept":8.82020398876207,"variance":0.1741913712670896,"difficulty":2532,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.82696831532223,"irt_users":4248,"is_experimental":false},"abc135_a":{"slope":-0.0010541469231954397,"intercept":6.74410263291183,"variance":0.6844493147615003,"difficulty":-593,"discrimination":0.004479398673070138,"irt_loglikelihood":-404.8079212574288,"irt_users":3975,"is_experimental":false},"abc135_b":{"slope":-0.0010230772984144978,"intercept":6.985847149586033,"variance":0.48870540929726364,"difficulty":-195,"discrimination":0.004479398673070138,"irt_loglikelihood":-796.1839689166094,"irt_users":3975,"is_experimental":false},"abc135_c":{"slope":-0.0010582936565459266,"intercept":7.8432679335126565,"variance":0.4084150510364077,"difficulty":323,"discrimination":0.004479398673070138,"irt_loglikelihood":-1600.7151566814878,"irt_users":4074,"is_experimental":false},"abc135_d":{"slope":-0.0013114441735225066,"intercept":9.176370678287885,"variance":0.4541722189492711,"difficulty":1334,"discrimination":0.004479398673070138,"irt_loglikelihood":-1031.8465657872664,"irt_users":4074,"is_experimental":false},"abc135_e":{"difficulty":2665,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.51519530175733,"irt_users":4074,"is_experimental":false,"slope":-0.0002152876048702655,"intercept":8.712141835201344,"variance":0.21150323364659618},"abc135_f":{"slope":-0.0003899053197072412,"intercept":8.84414594981432,"variance":0.29955558719736175,"difficulty":2388,"discrimination":0.004479398673070138,"irt_loglikelihood":-180.3992195339064,"irt_users":4074,"is_experimental":false},"abc136_a":{"slope":-0.0008391936410895547,"intercept":6.262981836877067,"variance":0.6924655185794325,"difficulty":-880,"discrimination":0.004479398673070138,"irt_loglikelihood":-255.71053887073035,"irt_users":4293,"is_experimental":false},"abc136_b":{"slope":-0.00109812459219592,"intercept":7.079121516270006,"variance":0.617106689705208,"difficulty":-267,"discrimination":0.004479398673070138,"irt_loglikelihood":-877.9903208819707,"irt_users":4293,"is_experimental":false},"abc136_c":{"slope":-0.001072095638229441,"intercept":7.711704918585497,"variance":0.5466751661083997,"difficulty":295,"discrimination":0.004479398673070138,"irt_loglikelihood":-1723.9838694053133,"irt_users":4391,"is_experimental":false},"abc136_d":{"slope":-0.0009325832786708692,"intercept":8.483271076742401,"variance":0.2349855805515595,"difficulty":794,"discrimination":0.004479398673070138,"irt_loglikelihood":-1693.0858081549652,"irt_users":4391,"is_experimental":false},"abc136_e":{"slope":-0.0005480034620331039,"intercept":8.633786862092617,"variance":0.20411436545602016,"difficulty":1670,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.1967128062893,"irt_users":4391,"is_experimental":false},"abc136_f":{"slope":-0.0004696870213456225,"intercept":8.7270176025889,"variance":0.19524087622199138,"difficulty":2334,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.74218440008104,"irt_users":4391,"is_experimental":false},"abc137_a":{"slope":-0.0008370523672626773,"intercept":6.084680474316538,"variance":0.8544764026689121,"difficulty":-825,"discrimination":0.004479398673070138,"irt_loglikelihood":-287.1032578204901,"irt_users":4374,"is_experimental":false},"abc137_b":{"slope":-0.0008544214219770285,"intercept":6.489883566821243,"variance":0.30295612461439947,"difficulty":-561,"discrimination":0.004479398673070138,"irt_loglikelihood":-489.77880831698553,"irt_users":4374,"is_experimental":false},"abc137_c":{"slope":-0.0014071488110107503,"intercept":8.423517149792781,"variance":0.5875741256895304,"difficulty":597,"discrimination":0.004479398673070138,"irt_loglikelihood":-1930.5010319757687,"irt_users":4481,"is_experimental":false},"abc137_d":{"slope":-0.0010910923625276191,"intercept":8.93109998277813,"variance":0.4055716095967934,"difficulty":1313,"discrimination":0.004479398673070138,"irt_loglikelihood":-1227.3434003903858,"irt_users":4481,"is_experimental":false},"abc137_e":{"slope":-0.0004657276742463296,"intercept":8.424460731594992,"variance":0.3772629580016011,"difficulty":1740,"discrimination":0.004479398673070138,"irt_loglikelihood":-727.9883495399918,"irt_users":4481,"is_experimental":false},"abc137_f":{"slope":-0.00001778890027167987,"intercept":7.863226197053896,"variance":0.27354489826111456,"difficulty":2402,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.2066582951873,"irt_users":4481,"is_experimental":false},"agc002_a":{"slope":-0.0007350041161221318,"intercept":7.4490363873440035,"variance":0.636877220427243,"difficulty":170,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.31935320993827,"irt_users":482,"is_experimental":false},"agc002_b":{"slope":-0.0009548416344081289,"intercept":8.367898216086138,"variance":0.45475611538398586,"difficulty":981,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.7641446385371,"irt_users":482,"is_experimental":false},"agc002_c":{"slope":-0.0007780708306013765,"intercept":8.559583478555025,"variance":0.4708787176794533,"difficulty":1570,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.84168358067677,"irt_users":482,"is_experimental":false},"agc002_d":{"slope":-0.0002013332311405491,"intercept":8.023498236394083,"variance":0.47319926560869574,"difficulty":2514,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.36271496639093,"irt_users":482,"is_experimental":false},"agc002_e":{"difficulty":2889,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.88558590619071,"irt_users":482,"is_experimental":false},"agc002_f":{"difficulty":3399,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.05080247856545,"irt_users":482,"is_experimental":false},"agc003_a":{"slope":-0.0009096417826699175,"intercept":7.8962988490801305,"variance":0.5605051160539062,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.55200972480887,"irt_users":556,"is_experimental":false},"agc003_b":{"slope":-0.0009041525713124394,"intercept":8.57905864500813,"variance":0.6018582736955072,"difficulty":1234,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.48348402991306,"irt_users":556,"is_experimental":false},"agc003_c":{"slope":-0.000683884628446022,"intercept":8.195599866867761,"variance":0.6428896220477899,"difficulty":1541,"discrimination":0.004479398673070138,"irt_loglikelihood":-257.8601233605367,"irt_users":556,"is_experimental":false},"agc003_d":{"slope":-0.0005157048037883802,"intercept":9.3081490534003,"variance":0.13440101952731573,"difficulty":2608,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.01126636731986,"irt_users":556,"is_experimental":false},"agc003_e":{"difficulty":2983,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.8918950688477,"irt_users":556,"is_experimental":false,"slope":-0.0009406708728662685,"intercept":10.38338864496243,"variance":0.19434130934697383},"agc003_f":{"difficulty":3344,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.95059139247815,"irt_users":556,"is_experimental":false,"slope":-0.0004237986451724922,"intercept":9.223042885175163,"variance":0.05496842256631459},"agc004_a":{"slope":-0.001167396528544511,"intercept":8.295274966918107,"variance":0.6528520874216203,"difficulty":558,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.0745541088886,"irt_users":624,"is_experimental":false},"agc004_b":{"slope":-0.0011914338789454962,"intercept":9.730476106431437,"variance":0.4418794952171062,"difficulty":1871,"discrimination":0.004479398673070138,"irt_loglikelihood":-247.68022164148869,"irt_users":624,"is_experimental":false},"agc004_c":{"slope":-0.00045918848789770625,"intercept":8.473249031720892,"variance":0.48044650509642983,"difficulty":2367,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.67061066438217,"irt_users":624,"is_experimental":false},"agc004_d":{"slope":-0.0005908831241943909,"intercept":9.113470589658698,"variance":0.2747192796945281,"difficulty":2346,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.3534176650025,"irt_users":624,"is_experimental":false},"agc004_e":{"difficulty":3205,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.88305710438956,"irt_users":624,"is_experimental":false,"slope":-0.0002914252842925926,"intercept":8.671877038561771,"variance":0.04377098232110004},"agc004_f":{"difficulty":3986,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.287964106984392,"irt_users":624,"is_experimental":false},"agc005_a":{"slope":-0.001142161320486993,"intercept":8.643427193168518,"variance":0.7126863629021324,"difficulty":1054,"discrimination":0.004479398673070138,"irt_loglikelihood":-236.94540530467214,"irt_users":598,"is_experimental":false},"agc005_b":{"slope":-0.0010606616617539325,"intercept":9.294518737001551,"variance":0.5291317648197637,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.67662349289643,"irt_users":598,"is_experimental":false},"agc005_c":{"slope":-0.0006503621260408762,"intercept":8.855286293576212,"variance":0.3900405022217961,"difficulty":1976,"discrimination":0.004479398673070138,"irt_loglikelihood":-177.21893836306788,"irt_users":598,"is_experimental":false},"agc005_d":{"difficulty":2943,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.745597232081764,"irt_users":598,"is_experimental":false,"slope":-0.000532887091996796,"intercept":9.313188521964332,"variance":0.26817036137106737},"agc005_e":{"difficulty":3276,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.54094341162372,"irt_users":598,"is_experimental":false,"slope":-0.00018907659207116403,"intercept":8.638532403286137,"variance":0.1299388240177106},"agc005_f":{"difficulty":3440,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.578023193596916,"irt_users":598,"is_experimental":false,"slope":-0.0007889147596572284,"intercept":10.338829460502991,"variance":0.26721313548195175},"agc006_a":{"slope":-0.00119041627912907,"intercept":8.65993961367503,"variance":0.5185281607998291,"difficulty":516,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.4160238924293,"irt_users":602,"is_experimental":false},"agc006_b":{"slope":-0.0006430937990148355,"intercept":9.162043483002558,"variance":0.249471921925383,"difficulty":1600,"discrimination":0.004479398673070138,"irt_loglikelihood":-283.2603694380972,"irt_users":602,"is_experimental":false},"agc006_c":{"difficulty":2996,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.23329376846974,"irt_users":602,"is_experimental":false,"slope":-0.0006359214096739326,"intercept":9.481142481226339,"variance":0.34494356906210666},"agc006_d":{"difficulty":3054,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.10735425873215,"irt_users":602,"is_experimental":false,"slope":-0.0005343679916536622,"intercept":9.385716968453377,"variance":0.1981654134198447},"agc006_e":{"difficulty":3101,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.54963629622731,"irt_users":602,"is_experimental":false,"slope":-0.00021442211755490798,"intercept":8.787293629206168,"variance":0.1037943677666609},"agc006_f":{"difficulty":3530,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.106977898436885,"irt_users":602,"is_experimental":false},"agc007_a":{"slope":-0.0010100752894403081,"intercept":8.74114509441931,"variance":0.5148788220520522,"difficulty":792,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.09168366061283,"irt_users":554,"is_experimental":false},"agc007_b":{"slope":-0.0009735067322318682,"intercept":9.30630835286963,"variance":0.40567069717402465,"difficulty":1611,"discrimination":0.004479398673070138,"irt_loglikelihood":-256.80778379138206,"irt_users":554,"is_experimental":false},"agc007_c":{"difficulty":3379,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.099679735187703,"irt_users":554,"is_experimental":false,"slope":-0.001580807650954172,"intercept":12.502899819897202,"variance":0.16981481082564664},"agc007_d":{"slope":-0.00038005558848418187,"intercept":9.069616993486644,"variance":0.21921203744466153,"difficulty":2755,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.73588076296384,"irt_users":554,"is_experimental":false},"agc007_e":{"difficulty":3906,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.576337798439002,"irt_users":554,"is_experimental":false},"agc007_f":{"difficulty":3642,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.52918949626165,"irt_users":554,"is_experimental":false},"agc008_a":{"slope":-0.0010932214185046824,"intercept":9.363316671192042,"variance":0.5057693132125548,"difficulty":740,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.74546851318155,"irt_users":444,"is_experimental":false},"agc008_b":{"slope":-0.0009962646331253334,"intercept":9.24997675983698,"variance":0.35601792270986676,"difficulty":1822,"discrimination":0.004479398673070138,"irt_loglikelihood":-151.3127328434576,"irt_users":444,"is_experimental":false},"agc008_c":{"slope":-0.0006270636097916409,"intercept":8.974445435687947,"variance":0.28522738929597463,"difficulty":1953,"discrimination":0.004479398673070138,"irt_loglikelihood":-205.15023502613445,"irt_users":444,"is_experimental":false},"agc008_d":{"slope":-0.00048812784861813907,"intercept":8.632767302094937,"variance":0.2897118697462845,"difficulty":2164,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.9361952076648,"irt_users":444,"is_experimental":false},"agc008_e":{"difficulty":3559,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.856135431910598,"irt_users":444,"is_experimental":false,"slope":-0.00004012962025758845,"intercept":8.136746627011199,"variance":0.11318762520622061},"agc008_f":{"difficulty":3995,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.135240400053103,"irt_users":444,"is_experimental":false},"agc009_a":{"slope":-0.0010681123463651488,"intercept":8.640696143765506,"variance":0.5930804840217245,"difficulty":759,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.45362334299276,"irt_users":623,"is_experimental":false},"agc009_b":{"slope":-0.0009818698389710888,"intercept":9.496904020763793,"variance":0.40317247768474496,"difficulty":1685,"discrimination":0.004479398673070138,"irt_loglikelihood":-223.7102427510398,"irt_users":623,"is_experimental":false},"agc009_c":{"slope":-0.00034563698356596963,"intercept":8.845075269589577,"variance":0.20667978136716977,"difficulty":2437,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.33387431410554,"irt_users":623,"is_experimental":false},"agc009_d":{"difficulty":3404,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.682961700716575,"irt_users":623,"is_experimental":false,"slope":-0.0007159025786455232,"intercept":10.157457156988167,"variance":0.12437740188176805},"agc009_e":{"difficulty":3428,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.39440710542621,"irt_users":623,"is_experimental":false,"slope":-0.00006973060744313934,"intercept":8.20951674222254,"variance":0.1373817983398182},"agc010_a":{"slope":-0.0008255460842586142,"intercept":7.348879446239194,"variance":0.6448861045919071,"difficulty":-10000,"discrimination":0.004479398673070138,"irt_loglikelihood":-2302.5850929940457,"irt_users":677,"is_experimental":false},"agc010_b":{"slope":-0.0009663005878225549,"intercept":9.727933075376988,"variance":0.3690329498100251,"difficulty":1892,"discrimination":0.004479398673070138,"irt_loglikelihood":-255.53951638018722,"irt_users":677,"is_experimental":false},"agc010_c":{"slope":-0.0008214188266664889,"intercept":9.849350093092225,"variance":0.23150162265813468,"difficulty":2346,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.84175808363554,"irt_users":677,"is_experimental":false},"agc010_d":{"slope":-0.0005555980897827228,"intercept":9.229410291571268,"variance":0.21445223101828179,"difficulty":2795,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.34408323275066,"irt_users":677,"is_experimental":false},"agc010_e":{"difficulty":3887,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.343111204731901,"irt_users":677,"is_experimental":false},"agc010_f":{"slope":-0.00003444045258062184,"intercept":7.4709876495030105,"variance":0.3023065427251394,"difficulty":2897,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.3040241606571,"irt_users":677,"is_experimental":false},"agc011_a":{"slope":-0.0010616735079836653,"intercept":8.634259822212229,"variance":0.3895349339749654,"difficulty":827,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.39629253340667,"irt_users":590,"is_experimental":false},"agc011_b":{"slope":-0.0008939869423516738,"intercept":8.422382483228217,"variance":0.3331481131663835,"difficulty":998,"discrimination":0.004479398673070138,"irt_loglikelihood":-191.29537045022263,"irt_users":590,"is_experimental":false},"agc011_c":{"slope":-0.0008462933407006273,"intercept":9.956033655797825,"variance":0.26810000846915,"difficulty":2355,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.77034028551608,"irt_users":590,"is_experimental":false},"agc011_d":{"difficulty":2931,"discrimination":0.004479398673070138,"irt_loglikelihood":-98.8616712572518,"irt_users":590,"is_experimental":false,"slope":-0.0002964680032754075,"intercept":8.779186922450315,"variance":0.13419957608010746},"agc011_e":{"difficulty":3315,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.29820511469378,"irt_users":590,"is_experimental":false,"slope":-0.000024012468260863048,"intercept":7.9416739810631185,"variance":0.14165039103860858},"agc011_f":{"difficulty":3863,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.690427138940029,"irt_users":590,"is_experimental":false},"agc012_a":{"slope":-0.0008905107594629308,"intercept":7.991491635181528,"variance":0.5497470166266946,"difficulty":474,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.87657984468248,"irt_users":730,"is_experimental":false},"agc012_b":{"slope":-0.0008915021579403646,"intercept":9.544785317434508,"variance":0.34917124120474335,"difficulty":2047,"discrimination":0.004479398673070138,"irt_loglikelihood":-320.3027094326334,"irt_users":730,"is_experimental":false},"agc012_c":{"slope":-0.0006641518702140113,"intercept":9.586822494656754,"variance":0.2065681050198998,"difficulty":2731,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.92319829246244,"irt_users":730,"is_experimental":false},"agc012_d":{"slope":-0.00032139673202412046,"intercept":8.773156693593991,"variance":0.20337381098732613,"difficulty":2760,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.01608793879778,"irt_users":730,"is_experimental":false},"agc012_e":{"difficulty":3490,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.59695460319735,"irt_users":730,"is_experimental":false,"slope":-0.0007438193479123242,"intercept":10.29117973986501,"variance":0.11149764874655603},"agc013_a":{"slope":-0.0010467999014301974,"intercept":8.738760480634294,"variance":0.5381553951316331,"difficulty":614,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.48459710356977,"irt_users":714,"is_experimental":false},"agc013_b":{"slope":-0.0009546982833353476,"intercept":9.34615827447542,"variance":0.49227705909449526,"difficulty":1763,"discrimination":0.004479398673070138,"irt_loglikelihood":-300.74799552065355,"irt_users":714,"is_experimental":false},"agc013_c":{"slope":-0.0005563057113089534,"intercept":9.351468179006615,"variance":0.566526488784433,"difficulty":2462,"discrimination":0.004479398673070138,"irt_loglikelihood":-213.83041749886436,"irt_users":714,"is_experimental":false},"agc013_d":{"difficulty":3089,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.23021955415103,"irt_users":714,"is_experimental":false,"slope":-0.00009455066002463772,"intercept":8.3138807816583,"variance":0.2784752128969428},"agc013_e":{"difficulty":3455,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.80312673162538,"irt_users":714,"is_experimental":false,"slope":-0.00004330980782462994,"intercept":8.386501429739543,"variance":0.21748841382659853},"agc013_f":{"difficulty":3905,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.5232352642884135,"irt_users":714,"is_experimental":false},"agc014_a":{"slope":-0.0007697235540583402,"intercept":8.177551515692652,"variance":0.5728083457846788,"difficulty":279,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.63990704530008,"irt_users":788,"is_experimental":false},"agc014_b":{"slope":-0.0008405869263271239,"intercept":8.414882312399744,"variance":0.47350689327793877,"difficulty":1236,"discrimination":0.004479398673070138,"irt_loglikelihood":-387.0466121295973,"irt_users":788,"is_experimental":false},"agc014_c":{"slope":-0.0008014391058502722,"intercept":9.394564093690134,"variance":0.33063002963173715,"difficulty":1863,"discrimination":0.004479398673070138,"irt_loglikelihood":-346.6802805409813,"irt_users":788,"is_experimental":false},"agc014_d":{"slope":-0.0007319526193328678,"intercept":9.547382347768563,"variance":0.31831522737795637,"difficulty":2266,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.25554401193946,"irt_users":788,"is_experimental":false},"agc014_e":{"difficulty":3312,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.19660423688197,"irt_users":788,"is_experimental":false},"agc014_f":{"difficulty":4201,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.526039772218663,"irt_users":788,"is_experimental":false},"agc015_a":{"slope":-0.001024558896283595,"intercept":8.124734194168237,"variance":0.5478417417756192,"difficulty":620,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.36548411399147,"irt_users":811,"is_experimental":false},"agc015_b":{"slope":-0.0010032869948694107,"intercept":8.159050541080676,"variance":0.38537975597075796,"difficulty":665,"discrimination":0.004479398673070138,"irt_loglikelihood":-217.68291484915608,"irt_users":811,"is_experimental":false},"agc015_c":{"slope":-0.000654418852038246,"intercept":9.148797455027038,"variance":0.40294317565463417,"difficulty":2241,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.0970204062384,"irt_users":811,"is_experimental":false},"agc015_d":{"slope":-0.000285976171854648,"intercept":8.738612541699114,"variance":0.2158005918043634,"difficulty":2655,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.35502325031223,"irt_users":811,"is_experimental":false},"agc015_e":{"difficulty":3571,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.352656277102742,"irt_users":811,"is_experimental":false,"slope":-0.0001537793625842841,"intercept":8.561961011392949,"variance":0.10859267711544432},"agc015_f":{"difficulty":4083,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.048252603408554,"irt_users":811,"is_experimental":false},"agc016_a":{"slope":-0.0010623924054577367,"intercept":8.808647423646729,"variance":0.37358101713641595,"difficulty":951,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.3246423561421,"irt_users":763,"is_experimental":false},"agc016_b":{"slope":-0.0008922410093489766,"intercept":9.341597439499731,"variance":0.34145670647606985,"difficulty":1626,"discrimination":0.004479398673070138,"irt_loglikelihood":-302.5413228975509,"irt_users":763,"is_experimental":false},"agc016_c":{"slope":-0.0006472603690875331,"intercept":8.994824117617219,"variance":0.38597064865379976,"difficulty":2017,"discrimination":0.004479398673070138,"irt_loglikelihood":-274.23203272815095,"irt_users":763,"is_experimental":false},"agc016_d":{"slope":-0.0005242838289055001,"intercept":9.226793599627639,"variance":0.18407827573333488,"difficulty":2910,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.83230052997386,"irt_users":763,"is_experimental":false},"agc016_e":{"slope":-0.00023002683783142293,"intercept":8.17372477767989,"variance":0.26187015620374854,"difficulty":3029,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.78725985016371,"irt_users":763,"is_experimental":false},"agc016_f":{"difficulty":3754,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.427902031185248,"irt_users":763,"is_experimental":false},"agc017_a":{"slope":-0.0011881524890179074,"intercept":8.919316716983,"variance":0.5310480151899092,"difficulty":815,"discrimination":0.004479398673070138,"irt_loglikelihood":-243.12614796783268,"irt_users":940,"is_experimental":false},"agc017_b":{"slope":-0.0009260398019148147,"intercept":9.171644485009255,"variance":0.42401606933618946,"difficulty":1627,"discrimination":0.004479398673070138,"irt_loglikelihood":-484.9529603562977,"irt_users":940,"is_experimental":false},"agc017_c":{"difficulty":3133,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.82023473140775,"irt_users":940,"is_experimental":false,"slope":-0.0005795942632084504,"intercept":9.329813606198405,"variance":0.19550202343246562},"agc017_d":{"slope":-0.00048981630017486,"intercept":8.463136934423108,"variance":0.6620482061064884,"difficulty":2156,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.26239713779853,"irt_users":940,"is_experimental":false},"agc017_e":{"difficulty":3158,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.54169779623958,"irt_users":940,"is_experimental":false,"slope":-0.0006078123626706798,"intercept":9.73796560836334,"variance":0.15054079717516333},"agc017_f":{"difficulty":3417,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.4972105606462,"irt_users":940,"is_experimental":false,"slope":-0.0002654485803245489,"intercept":8.484315978087292,"variance":0.32967513305083224},"agc018_a":{"slope":-0.0009877301533831682,"intercept":8.808395367760063,"variance":0.6311454141268997,"difficulty":947,"discrimination":0.004479398673070138,"irt_loglikelihood":-407.3153829260822,"irt_users":895,"is_experimental":false},"agc018_b":{"slope":-0.0007787650599125288,"intercept":9.138417620610864,"variance":0.39897329434486295,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.371140347885,"irt_users":895,"is_experimental":false},"agc018_c":{"slope":-0.0005938339944436846,"intercept":9.48696205583306,"variance":0.30380953173044917,"difficulty":2618,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.63748574695273,"irt_users":895,"is_experimental":false},"agc018_d":{"slope":-0.00048367254743958963,"intercept":9.19564468668851,"variance":0.22838845599356117,"difficulty":2757,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.23631144445147,"irt_users":895,"is_experimental":false},"agc018_e":{"difficulty":3953,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.588493178969923,"irt_users":895,"is_experimental":false},"agc018_f":{"difficulty":3793,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.810833987436336,"irt_users":895,"is_experimental":false},"agc019_a":{"slope":-0.0009633451169376347,"intercept":8.186731561984146,"variance":0.6999352174984824,"difficulty":509,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.62576868523314,"irt_users":1229,"is_experimental":false},"agc019_b":{"slope":-0.0008677923448090553,"intercept":8.957973922327172,"variance":0.640806485894697,"difficulty":1357,"discrimination":0.004479398673070138,"irt_loglikelihood":-714.5017424734389,"irt_users":1229,"is_experimental":false},"agc019_c":{"slope":-0.0006121996476257591,"intercept":9.790478694091824,"variance":0.1804635794836239,"difficulty":2495,"discrimination":0.004479398673070138,"irt_loglikelihood":-379.25058714500426,"irt_users":1229,"is_experimental":false},"agc019_d":{"slope":-0.000553410618578083,"intercept":9.611248323238664,"variance":0.251354617957051,"difficulty":2601,"discrimination":0.004479398673070138,"irt_loglikelihood":-198.4530997238514,"irt_users":1229,"is_experimental":false},"agc019_e":{"difficulty":3597,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.317501737306934,"irt_users":1229,"is_experimental":false,"slope":-0.0006353107507417509,"intercept":10.108368617634575,"variance":0.1146891335082074},"agc019_f":{"difficulty":3742,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.728416117082528,"irt_users":1229,"is_experimental":false,"slope":-0.0002315265855362854,"intercept":8.70106073008902,"variance":0.16979048247004605},"agc020_a":{"slope":-0.000703349049345362,"intercept":7.327780321439551,"variance":0.6082307808473472,"difficulty":-78,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.50685651299,"irt_users":1284,"is_experimental":false},"agc020_b":{"slope":-0.0009084291215976778,"intercept":9.174109160882864,"variance":0.4673399294197969,"difficulty":1404,"discrimination":0.004479398673070138,"irt_loglikelihood":-553.5983356314966,"irt_users":1284,"is_experimental":false},"agc020_c":{"slope":-0.0007157450380489234,"intercept":9.148572452404588,"variance":0.5228895358338213,"difficulty":2259,"discrimination":0.004479398673070138,"irt_loglikelihood":-341.7638448981931,"irt_users":1284,"is_experimental":false},"agc020_d":{"slope":-0.000473564939853811,"intercept":9.568120550545588,"variance":0.21451540021335913,"difficulty":3062,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.45280226677691,"irt_users":1284,"is_experimental":false},"agc020_e":{"slope":-0.0002563051266276048,"intercept":8.569508108043948,"variance":0.2312685342789553,"difficulty":2944,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.5126855449179,"irt_users":1284,"is_experimental":false},"agc021_a":{"slope":-0.0009877080169270617,"intercept":8.42150442476817,"variance":0.5304742340344482,"difficulty":396,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.1839166842018,"irt_users":1016,"is_experimental":false},"agc021_b":{"slope":-0.0008354190508775909,"intercept":9.721194862700177,"variance":0.30272887003926424,"difficulty":2130,"discrimination":0.004479398673070138,"irt_loglikelihood":-307.0761290211878,"irt_users":1016,"is_experimental":false},"agc021_c":{"slope":-0.0005015813656942527,"intercept":9.393029360611425,"variance":0.19513642342353582,"difficulty":2886,"discrimination":0.004479398673070138,"irt_loglikelihood":-173.18782293618196,"irt_users":1016,"is_experimental":false},"agc021_d":{"slope":-0.0007410838726500835,"intercept":9.377834302007386,"variance":0.4090061766381686,"difficulty":2287,"discrimination":0.004479398673070138,"irt_loglikelihood":-204.21843385513736,"irt_users":1016,"is_experimental":false},"agc021_e":{"difficulty":3944,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.990444657638998,"irt_users":1016,"is_experimental":false},"agc021_f":{"difficulty":4145,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.108054385484913,"irt_users":1016,"is_experimental":false},"agc022_a":{"slope":-0.000965097644218029,"intercept":9.065887064094184,"variance":0.43185597595222824,"difficulty":738,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.00067972471936,"irt_users":931,"is_experimental":false},"agc022_b":{"slope":-0.000678324345564447,"intercept":9.292378650010892,"variance":0.3171854419378974,"difficulty":1645,"discrimination":0.004479398673070138,"irt_loglikelihood":-368.28495842544015,"irt_users":931,"is_experimental":false},"agc022_c":{"slope":-0.0006738176662563492,"intercept":9.336158732338749,"variance":0.3525579371939425,"difficulty":2176,"discrimination":0.004479398673070138,"irt_loglikelihood":-219.06131583133626,"irt_users":931,"is_experimental":false},"agc022_d":{"difficulty":3866,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.98139022196581,"irt_users":931,"is_experimental":false},"agc022_e":{"slope":-0.00019859682072934594,"intercept":8.683943341775432,"variance":0.18978632854269128,"difficulty":2955,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.21229322484012,"irt_users":931,"is_experimental":false},"agc022_f":{"difficulty":3606,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.072639503829905,"irt_users":931,"is_experimental":false},"agc023_a":{"slope":-0.0013241110864050073,"intercept":9.025049492584792,"variance":0.7787513523184394,"difficulty":1038,"discrimination":0.004479398673070138,"irt_loglikelihood":-493.71148052862105,"irt_users":1362,"is_experimental":false},"agc023_b":{"slope":-0.0008739283543236796,"intercept":9.119364368364078,"variance":0.47736765826487576,"difficulty":1434,"discrimination":0.004479398673070138,"irt_loglikelihood":-530.2080741673503,"irt_users":1362,"is_experimental":false},"agc023_c":{"slope":-0.000708050375789796,"intercept":9.766911685163583,"variance":0.3965330683740175,"difficulty":2568,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.00874791395375,"irt_users":1362,"is_experimental":false},"agc023_d":{"difficulty":3173,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.15329059431683,"irt_users":1362,"is_experimental":false,"slope":-0.0006769927973729139,"intercept":10.092836261219256,"variance":0.16224300416166165},"agc023_e":{"difficulty":3653,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.399154973045736,"irt_users":1362,"is_experimental":false,"slope":-0.00023025275573426972,"intercept":9.151708990491235,"variance":0.1875748422265018},"agc023_f":{"difficulty":3148,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.41392830976663,"irt_users":1362,"is_experimental":false,"slope":-0.0004727551583363717,"intercept":9.325437194136137,"variance":0.32961320702463986},"agc024_a":{"slope":-0.0007706012213526657,"intercept":7.820660132434009,"variance":0.5865760736149925,"difficulty":144,"discrimination":0.004479398673070138,"irt_loglikelihood":-357.9950703272881,"irt_users":1487,"is_experimental":false},"agc024_b":{"slope":-0.0010916521094721432,"intercept":9.001312906343403,"variance":0.5077943905046873,"difficulty":1259,"discrimination":0.004479398673070138,"irt_loglikelihood":-601.1194959414485,"irt_users":1487,"is_experimental":false},"agc024_c":{"slope":-0.0006457703740866952,"intercept":8.553759381206024,"variance":0.39726130383944597,"difficulty":1279,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.9005093264276,"irt_users":1487,"is_experimental":false},"agc024_d":{"slope":-0.0003910199767170015,"intercept":8.913857458903795,"variance":0.1985880676812378,"difficulty":2307,"discrimination":0.004479398673070138,"irt_loglikelihood":-272.99790514789754,"irt_users":1487,"is_experimental":false},"agc024_e":{"slope":-0.00032691855286597006,"intercept":8.814488030891095,"variance":0.20643494193200101,"difficulty":3001,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.28600677910062,"irt_users":1487,"is_experimental":false},"agc024_f":{"difficulty":3544,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.35461422342553,"irt_users":1487,"is_experimental":false,"slope":-0.0007472246776089345,"intercept":10.297749589694353,"variance":0.25288763697527017},"agc025_a":{"slope":-0.0009612921551406949,"intercept":7.53581060350711,"variance":0.7095849096611465,"difficulty":-598,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.78435442835806,"irt_users":1527,"is_experimental":false},"agc025_b":{"slope":-0.0011114914449297483,"intercept":9.693853512932689,"variance":0.49878225850371355,"difficulty":1739,"discrimination":0.004479398673070138,"irt_loglikelihood":-448.17175826148974,"irt_users":1527,"is_experimental":false},"agc025_c":{"slope":-0.0006535884440255844,"intercept":9.179923102876728,"variance":0.29736563481196454,"difficulty":2057,"discrimination":0.004479398673070138,"irt_loglikelihood":-383.8357651820578,"irt_users":1527,"is_experimental":false},"agc025_d":{"slope":-0.0004818778901150791,"intercept":9.22084888964271,"variance":0.28023967007748507,"difficulty":2868,"discrimination":0.004479398673070138,"irt_loglikelihood":-136.15680627584163,"irt_users":1527,"is_experimental":false},"agc025_e":{"difficulty":3584,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.54193171407629,"irt_users":1527,"is_experimental":false,"slope":-0.00019853954840798224,"intercept":8.914181575468646,"variance":0.20548512850588435},"agc025_f":{"difficulty":3936,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.18228609117679,"irt_users":1527,"is_experimental":false},"agc026_a":{"slope":-0.0008656610041315331,"intercept":7.378026746678024,"variance":0.6704462704423183,"difficulty":-183,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.76669104777497,"irt_users":1799,"is_experimental":false},"agc026_b":{"slope":-0.0007433373393386604,"intercept":9.279399346765905,"variance":0.34110217320535935,"difficulty":1720,"discrimination":0.004479398673070138,"irt_loglikelihood":-722.3231895689422,"irt_users":1799,"is_experimental":false},"agc026_c":{"slope":-0.0008576014718292627,"intercept":9.401274693036692,"variance":0.37534473252622647,"difficulty":1836,"discrimination":0.004479398673070138,"irt_loglikelihood":-462.8205379631524,"irt_users":1799,"is_experimental":false},"agc026_d":{"slope":-0.0004027506918277324,"intercept":9.274529080920633,"variance":0.12135365008788429,"difficulty":2746,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.66848869773756,"irt_users":1799,"is_experimental":false},"agc026_e":{"slope":-0.0006558865372290504,"intercept":9.986909223254592,"variance":0.17123293672864665,"difficulty":3016,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.47017408973197,"irt_users":1799,"is_experimental":false},"agc026_f":{"difficulty":3704,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.479318875387467,"irt_users":1799,"is_experimental":false,"slope":-0.000726089343113183,"intercept":10.6788823263104,"variance":0.310473254630205},"agc027_a":{"slope":-0.000906935765526893,"intercept":7.767677945997411,"variance":0.6578119656859607,"difficulty":114,"discrimination":0.004479398673070138,"irt_loglikelihood":-508.9840589260192,"irt_users":1729,"is_experimental":false},"agc027_b":{"slope":-0.0005223812710756225,"intercept":9.283808109432808,"variance":0.28887931221744273,"difficulty":2631,"discrimination":0.004479398673070138,"irt_loglikelihood":-329.9780642437983,"irt_users":1729,"is_experimental":false},"agc027_c":{"slope":-0.0006593875558419892,"intercept":9.417125811767178,"variance":0.32221906251005317,"difficulty":2077,"discrimination":0.004479398673070138,"irt_loglikelihood":-426.99990650527474,"irt_users":1729,"is_experimental":false},"agc027_d":{"slope":-0.0007405344733152542,"intercept":10.336736707952722,"variance":0.16854010641420722,"difficulty":2984,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.45031707399995,"irt_users":1729,"is_experimental":false},"agc027_e":{"difficulty":3634,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.93103140446388,"irt_users":1729,"is_experimental":false,"slope":-0.0004961044878182885,"intercept":9.611539804985375,"variance":0.30904501394577877},"agc027_f":{"difficulty":3544,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.074444987531564,"irt_users":1729,"is_experimental":false,"slope":-0.0007254797576384754,"intercept":10.564702901225907,"variance":0.08942360120790828},"agc028_a":{"slope":-0.0010869337116951017,"intercept":9.088212003878992,"variance":0.4211218941796193,"difficulty":645,"discrimination":0.004479398673070138,"irt_loglikelihood":-657.230147602578,"irt_users":1680,"is_experimental":false},"agc028_b":{"slope":-0.0007469737918228684,"intercept":9.42252839804198,"variance":0.5587569854433971,"difficulty":2172,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.05664011183404,"irt_users":1680,"is_experimental":false},"agc028_c":{"slope":-0.0006475887661142889,"intercept":9.739655045296777,"variance":0.2596138282353525,"difficulty":2463,"discrimination":0.004479398673070138,"irt_loglikelihood":-242.77617770948038,"irt_users":1680,"is_experimental":false},"agc028_d":{"difficulty":3491,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.63026733197469,"irt_users":1680,"is_experimental":false,"slope":-0.0005494067787597864,"intercept":9.674780306382626,"variance":0.08884659795567681},"agc028_e":{"difficulty":4123,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.939115283712382,"irt_users":1680,"is_experimental":false},"agc028_f":{"difficulty":3462,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.65040487230504,"irt_users":1680,"is_experimental":false},"agc028_f2":{"difficulty":3778,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.94696115534225,"irt_users":1680,"is_experimental":false},"agc029_a":{"slope":-0.001189435904161648,"intercept":8.26653929406698,"variance":0.7247359222765429,"difficulty":423,"discrimination":0.004479398673070138,"irt_loglikelihood":-566.289174580249,"irt_users":1920,"is_experimental":false},"agc029_b":{"slope":-0.0009227513886434489,"intercept":9.347157820127045,"variance":0.47160423255729256,"difficulty":1566,"discrimination":0.004479398673070138,"irt_loglikelihood":-735.2333082208651,"irt_users":1920,"is_experimental":false},"agc029_c":{"slope":-0.0007297532325297295,"intercept":9.628991627067498,"variance":0.27718692444144455,"difficulty":2103,"discrimination":0.004479398673070138,"irt_loglikelihood":-337.2252212134857,"irt_users":1920,"is_experimental":false},"agc029_d":{"slope":-0.0006997606852396039,"intercept":9.249917716289028,"variance":0.3051422254865945,"difficulty":2033,"discrimination":0.004479398673070138,"irt_loglikelihood":-482.1780138039573,"irt_users":1920,"is_experimental":false},"agc029_e":{"slope":-0.000031323596322285894,"intercept":8.185490796661048,"variance":0.1853627240591887,"difficulty":3088,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.55755521919971,"irt_users":1920,"is_experimental":false},"agc029_f":{"difficulty":3497,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.626006296407695,"irt_users":1920,"is_experimental":false},"agc030_a":{"slope":-0.000744363018880625,"intercept":7.231158203438415,"variance":0.542444128289147,"difficulty":-197,"discrimination":0.004479398673070138,"irt_loglikelihood":-170.34444653157456,"irt_users":1738,"is_experimental":false},"agc030_b":{"slope":-0.0005577395097757672,"intercept":9.344965010162655,"variance":0.1800409845469741,"difficulty":2342,"discrimination":0.004479398673070138,"irt_loglikelihood":-374.08365323557206,"irt_users":1738,"is_experimental":false},"agc030_c":{"difficulty":3207,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.00713111294667,"irt_users":1738,"is_experimental":false,"slope":-0.00018031563374741857,"intercept":8.330262392251004,"variance":0.12813950292261},"agc030_d":{"slope":-0.0005180848699951064,"intercept":9.167626920340227,"variance":0.20382909620713682,"difficulty":2712,"discrimination":0.004479398673070138,"irt_loglikelihood":-173.5025076517434,"irt_users":1738,"is_experimental":false},"agc030_e":{"difficulty":3753,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.933678391877386,"irt_users":1738,"is_experimental":false},"agc030_f":{"difficulty":3474,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.423615418915844,"irt_users":1738,"is_experimental":false},"agc031_a":{"slope":-0.001113835248190091,"intercept":8.592482057964624,"variance":0.7588944115387753,"difficulty":953,"discrimination":0.004479398673070138,"irt_loglikelihood":-737.606517027828,"irt_users":1761,"is_experimental":false},"agc031_b":{"slope":-0.001001796347362504,"intercept":9.170569700010102,"variance":0.5051108342183694,"difficulty":1315,"discrimination":0.004479398673070138,"irt_loglikelihood":-669.8267233471227,"irt_users":1761,"is_experimental":false},"agc031_c":{"slope":-0.0007186769399873947,"intercept":9.949867549499254,"variance":0.26495112007356425,"difficulty":2217,"discrimination":0.004479398673070138,"irt_loglikelihood":-350.6665741602014,"irt_users":1761,"is_experimental":false},"agc031_d":{"slope":-0.00047838340118420833,"intercept":9.53606272936157,"variance":0.157340892657452,"difficulty":2975,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.67066375393588,"irt_users":1761,"is_experimental":false},"agc031_e":{"difficulty":3689,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.63318081787134,"irt_users":1761,"is_experimental":false,"slope":-0.0006740448614186201,"intercept":10.665247436301453,"variance":0.06173828259786871},"agc031_f":{"difficulty":3887,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.051161314349084,"irt_users":1761,"is_experimental":false},"agc032_a":{"slope":-0.0007868349232453199,"intercept":8.443982807197333,"variance":0.40616958686525867,"difficulty":738,"discrimination":0.004479398673070138,"irt_loglikelihood":-1000.3774043050419,"irt_users":1618,"is_experimental":false},"agc032_b":{"slope":-0.0007051861615421831,"intercept":8.811613331438316,"variance":0.32038622449420523,"difficulty":1259,"discrimination":0.004479398673070138,"irt_loglikelihood":-794.2863274413759,"irt_users":1618,"is_experimental":false},"agc032_c":{"slope":-0.0004614536076292904,"intercept":9.00794853994519,"variance":0.21114265551100017,"difficulty":2284,"discrimination":0.004479398673070138,"irt_loglikelihood":-301.76184964159194,"irt_users":1618,"is_experimental":false},"agc032_d":{"slope":-0.0004934631108898458,"intercept":8.649291144328947,"variance":0.3795715434947158,"difficulty":2602,"discrimination":0.004479398673070138,"irt_loglikelihood":-181.4030134920252,"irt_users":1618,"is_experimental":false},"agc032_e":{"difficulty":3402,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.07983305621501,"irt_users":1618,"is_experimental":false,"slope":-0.00014840739202242172,"intercept":8.111546169924752,"variance":0.13530495252169153},"agc032_f":{"difficulty":3975,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.290388762213091,"irt_users":1618,"is_experimental":false},"agc033_a":{"slope":-0.0011003302181229878,"intercept":8.902565249994126,"variance":0.606309377184569,"difficulty":1159,"discrimination":0.004479398673070138,"irt_loglikelihood":-881.7376818592642,"irt_users":2316,"is_experimental":false},"agc033_b":{"slope":-0.0006218566834676549,"intercept":8.833387923893536,"variance":0.3556263058166495,"difficulty":1384,"discrimination":0.004479398673070138,"irt_loglikelihood":-968.1779129147923,"irt_users":2316,"is_experimental":false},"agc033_c":{"slope":-0.0008123077666439512,"intercept":9.247054035962048,"variance":0.3343278904125455,"difficulty":1758,"discrimination":0.004479398673070138,"irt_loglikelihood":-505.74764801945986,"irt_users":2316,"is_experimental":false},"agc033_d":{"slope":-0.0003418167745163973,"intercept":9.13195535672413,"variance":0.23130397453534482,"difficulty":2958,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.33286363922991,"irt_users":2316,"is_experimental":false},"agc033_e":{"difficulty":3103,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.14267769089815,"irt_users":2316,"is_experimental":false,"slope":-0.0003611580963660493,"intercept":9.387235575189173,"variance":0.15545902692619493},"agc033_f":{"difficulty":3591,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.01891509458918,"irt_users":2316,"is_experimental":false,"slope":-0.0003983633283063256,"intercept":9.631832174739124,"variance":0.10124566471439417},"agc034_a":{"slope":-0.0008299042922091143,"intercept":8.811675704507977,"variance":0.34862280234816645,"difficulty":662,"discrimination":0.004479398673070138,"irt_loglikelihood":-1283.7645019814893,"irt_users":2658,"is_experimental":false},"agc034_b":{"slope":-0.0008870224326274275,"intercept":8.693530858750425,"variance":0.547464234020248,"difficulty":1101,"discrimination":0.004479398673070138,"irt_loglikelihood":-980.4284061198209,"irt_users":2658,"is_experimental":false},"agc034_c":{"slope":-0.0006798996101723426,"intercept":9.66746282080502,"variance":0.18134289091292266,"difficulty":2497,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.8360541570153,"irt_users":2658,"is_experimental":false},"agc034_d":{"difficulty":3665,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.36495007283033,"irt_users":2658,"is_experimental":false},"agc034_e":{"slope":-0.0005702376875887755,"intercept":9.534317101246554,"variance":0.21612981881369459,"difficulty":2637,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.38552786490078,"irt_users":2658,"is_experimental":false},"agc034_f":{"difficulty":3634,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.7208955407482,"irt_users":2658,"is_experimental":false,"slope":-0.0001707085264816379,"intercept":8.6522387804459,"variance":0.13179211236314828},"agc035_a":{"slope":-0.0006114476017146446,"intercept":8.431945711244735,"variance":0.8131450432797702,"difficulty":640,"discrimination":0.004479398673070138,"irt_loglikelihood":-1366.3849960197538,"irt_users":2504,"is_experimental":false},"agc035_b":{"slope":-0.0008106599327928068,"intercept":9.503863080658418,"variance":0.4572505549173666,"difficulty":2039,"discrimination":0.004479398673070138,"irt_loglikelihood":-449.93452617431996,"irt_users":2504,"is_experimental":false},"agc035_c":{"slope":-0.0004340517248178449,"intercept":9.136142962872887,"variance":0.24958062595940314,"difficulty":2332,"discrimination":0.004479398673070138,"irt_loglikelihood":-382.91900858256383,"irt_users":2504,"is_experimental":false},"agc035_d":{"slope":-0.00035117364681357837,"intercept":8.812500326000979,"variance":0.20956805332668066,"difficulty":2902,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.80254969941589,"irt_users":2504,"is_experimental":false},"agc035_e":{"difficulty":3720,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.808560761370599,"irt_users":2504,"is_experimental":false,"slope":-0.00042125017969164695,"intercept":9.607847668176085,"variance":0.011295142489162587},"agc035_f":{"difficulty":3720,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.31470200596319,"irt_users":2504,"is_experimental":false},"agc036_a":{"slope":-0.0009050987984859409,"intercept":9.076237079594627,"variance":0.43983672702188265,"difficulty":939,"discrimination":0.004479398673070138,"irt_loglikelihood":-950.3506528591914,"irt_users":1826,"is_experimental":false},"agc036_b":{"slope":-0.0007617268026290504,"intercept":9.78289348654895,"variance":0.23628787564162868,"difficulty":1771,"discrimination":0.004479398673070138,"irt_loglikelihood":-456.0782118110129,"irt_users":1826,"is_experimental":false},"agc036_c":{"slope":-0.0005110260693189538,"intercept":9.268378910326785,"variance":0.20428019432510625,"difficulty":2357,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.72076307678233,"irt_users":1826,"is_experimental":false},"agc036_d":{"difficulty":3326,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.211692191506756,"irt_users":1826,"is_experimental":false,"slope":-0.0010626884029967137,"intercept":11.107939382188366,"variance":0.2650220475113875},"agc036_e":{"difficulty":3783,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.288172152999447,"irt_users":1826,"is_experimental":false,"slope":-0.0004069897842365669,"intercept":9.82359472040203,"variance":0.034064398614216125},"agc036_f":{"difficulty":3783,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.319126927866286,"irt_users":1826,"is_experimental":false,"slope":-0.002121997765297037,"intercept":15.766306284847087,"variance":0.037754272927000336},"agc037_a":{"slope":-0.0006846556599744207,"intercept":8.214458140498826,"variance":0.615932891276154,"difficulty":232,"discrimination":0.004479398673070138,"irt_loglikelihood":-876.1193791575386,"irt_users":2057,"is_experimental":false},"agc037_b":{"slope":-0.0006564299701690534,"intercept":9.256057250229507,"variance":0.3544000597726452,"difficulty":2202,"discrimination":0.004479398673070138,"irt_loglikelihood":-388.4126901751503,"irt_users":2057,"is_experimental":false},"agc037_c":{"slope":-0.0007269456060383975,"intercept":9.526252905474925,"variance":0.3378754805048116,"difficulty":1882,"discrimination":0.004479398673070138,"irt_loglikelihood":-603.31722518323,"irt_users":2057,"is_experimental":false},"agc037_d":{"slope":-0.0008179815555953,"intercept":10.139284416575986,"variance":0.24441386029039563,"difficulty":2689,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.61711788223397,"irt_users":2057,"is_experimental":false},"agc037_e":{"slope":-0.0005402142216221478,"intercept":9.215597258968623,"variance":0.2387362602813997,"difficulty":2667,"discrimination":0.004479398673070138,"irt_loglikelihood":-234.62567483007473,"irt_users":2057,"is_experimental":false},"agc037_f":{"difficulty":3797,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.135303139421275,"irt_users":2057,"is_experimental":false,"slope":-0.0012362367978908109,"intercept":12.495821628629672,"variance":0.0944475181854894},"aising2019_a":{"slope":-0.0009459949006101056,"intercept":6.622820714627453,"variance":0.7035009870121371,"difficulty":-431,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.6032760829806,"irt_users":1801,"is_experimental":false},"aising2019_b":{"slope":-0.0009290191202536305,"intercept":7.022688272503562,"variance":0.41932571545402564,"difficulty":-79,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.48207617731117,"irt_users":1801,"is_experimental":false},"aising2019_c":{"slope":-0.0011248732729427597,"intercept":9.305118468078742,"variance":0.35144441824014283,"difficulty":1264,"discrimination":0.004479398673070138,"irt_loglikelihood":-655.8318940169054,"irt_users":1801,"is_experimental":false},"aising2019_d":{"slope":-0.0006623438239691699,"intercept":9.351961774739312,"variance":0.1526889475601279,"difficulty":1898,"discrimination":0.004479398673070138,"irt_loglikelihood":-357.7414375178593,"irt_users":1801,"is_experimental":false},"aising2019_e":{"slope":-0.0005033242012503407,"intercept":9.095393965858406,"variance":0.2063561219104079,"difficulty":2595,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.28266000232952,"irt_users":1801,"is_experimental":false},"apc001_a":{"slope":-0.0009686652677100647,"intercept":7.805114115191886,"variance":1.3656941103216889,"difficulty":123,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.57847773383477,"irt_users":932,"is_experimental":false},"apc001_b":{"slope":-0.0008559395195169619,"intercept":8.921471324474409,"variance":0.5746284798765392,"difficulty":1049,"discrimination":0.004479398673070138,"irt_loglikelihood":-419.26226871754267,"irt_users":932,"is_experimental":false},"apc001_c":{"slope":-0.0009409154383920777,"intercept":9.47291461147498,"variance":0.4543144537839925,"difficulty":1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-405.97830695385426,"irt_users":932,"is_experimental":false},"apc001_d":{"slope":-0.00090185405838612,"intercept":9.951227091327059,"variance":0.5411450576816906,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.6380233112547,"irt_users":932,"is_experimental":false},"apc001_e":{"slope":-0.0007503452655324536,"intercept":10.122652230800092,"variance":0.2859844601801176,"difficulty":2167,"discrimination":0.004479398673070138,"irt_loglikelihood":-214.65085908661993,"irt_users":932,"is_experimental":false},"apc001_f":{"slope":-0.0003843646538451151,"intercept":9.3557537898615,"variance":0.3788056330162743,"difficulty":2865,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.7575844338392,"irt_users":932,"is_experimental":false},"apc001_g":{"difficulty":3765,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.03091933906275,"irt_users":932,"is_experimental":false},"apc001_h":{"difficulty":3346,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.38831986833342,"irt_users":932,"is_experimental":false,"slope":-0.00023140663768801342,"intercept":9.631459077778858,"variance":0.18331513705962732},"apc001_i":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.764634297807742,"irt_users":932,"is_experimental":false},"apc001_j":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.4339618385051094,"irt_users":932,"is_experimental":false},"arc058_c":{"slope":-0.00048138610402184224,"intercept":8.787777055502705,"variance":0.28866068267539163,"difficulty":2473,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.25652930957278,"irt_users":239,"is_experimental":false},"arc058_d":{"difficulty":3678,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.019000709037288,"irt_users":239,"is_experimental":false},"arc059_c":{"slope":-0.000757310271902329,"intercept":9.237935307173563,"variance":0.29685221247530497,"difficulty":2189,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.5822815592818,"irt_users":265,"is_experimental":false},"arc059_d":{"slope":-0.0005827535768338169,"intercept":8.868451977970535,"variance":0.2836789740430248,"difficulty":2427,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.76902384708994,"irt_users":265,"is_experimental":false},"arc060_b":{"slope":-0.0007583988370103207,"intercept":9.354075190083174,"variance":0.3122345334361288,"difficulty":2261,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.33385510409781,"irt_users":515,"is_experimental":false},"arc060_c":{"slope":-0.0008262681281030973,"intercept":9.379307442972651,"variance":0.3565545670527592,"difficulty":2154,"discrimination":0.004479398673070138,"irt_loglikelihood":-103.17991799152925,"irt_users":291,"is_experimental":false},"arc060_d":{"difficulty":2804,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.2557448977473,"irt_users":291,"is_experimental":false,"slope":-0.00010868237301805399,"intercept":7.7730509366224565,"variance":0.22239578084075656},"arc061_c":{"slope":-0.0008028190036371678,"intercept":9.73318162861475,"variance":0.39080313005102796,"difficulty":2502,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.9740967800371,"irt_users":335,"is_experimental":false},"arc061_d":{"difficulty":3154,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.769321145494875,"irt_users":335,"is_experimental":false,"slope":-0.0010371273698392184,"intercept":10.999085717048429,"variance":0.10186806172896284},"arc062_c":{"difficulty":2655,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.7773786302215,"irt_users":326,"is_experimental":false,"slope":-0.0003171441030515438,"intercept":8.93331342665772,"variance":0.12498299410079143},"arc062_d":{"difficulty":3175,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.50463250198352,"irt_users":326,"is_experimental":false,"slope":-0.0006684566691430041,"intercept":9.916824020000776,"variance":0.0699665954651542},"arc063_c":{"slope":-0.0008630326899308623,"intercept":9.86998912626186,"variance":0.2204067605789329,"difficulty":2198,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.60096457975203,"irt_users":368,"is_experimental":false},"arc064_c":{"slope":-0.0007725885965833635,"intercept":9.1199414645713,"variance":0.24482755754281993,"difficulty":1769,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.6622485439608,"irt_users":374,"is_experimental":false},"arc064_d":{"difficulty":2949,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.63823164105839,"irt_users":374,"is_experimental":false,"slope":-0.0008050326031291232,"intercept":9.969446453525729,"variance":0.23871646004995417},"arc065_c":{"difficulty":2835,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.59778302505137,"irt_users":386,"is_experimental":false,"slope":-0.00041619768725025257,"intercept":8.947749376649469,"variance":0.12966395929451008},"arc065_d":{"slope":-0.00070846407506735,"intercept":9.668297328152235,"variance":0.2768821975518772,"difficulty":2652,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.59073906272681,"irt_users":386,"is_experimental":false},"arc066_b":{"difficulty":2606,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.79229928388982,"irt_users":474,"is_experimental":false,"slope":-0.0005147769482479993,"intercept":9.19539498398975,"variance":0.20580883444147996},"arc066_c":{"difficulty":2709,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.18268696374743,"irt_users":274,"is_experimental":false,"slope":-0.0006365925046812549,"intercept":9.509564027044538,"variance":0.29894711724621814},"arc067_c":{"slope":-0.0008972056117183543,"intercept":9.700869880546675,"variance":0.2345034344601048,"difficulty":2190,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.65171917742478,"irt_users":340,"is_experimental":false},"arc067_d":{"difficulty":2729,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.16884948951594,"irt_users":340,"is_experimental":false},"arc068_c":{"slope":-0.0005893908593130971,"intercept":9.05811765558162,"variance":0.3746972055086437,"difficulty":2307,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.6059439112692,"irt_users":382,"is_experimental":false},"arc068_d":{"difficulty":3042,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.835534183940016,"irt_users":382,"is_experimental":false,"slope":-0.0004949506524756438,"intercept":9.197646303957415,"variance":0.12590655152003266},"arc069_c":{"slope":-0.0005855089485685693,"intercept":8.797939761331849,"variance":0.25621318398831044,"difficulty":1835,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.0243082940921,"irt_users":490,"is_experimental":false},"arc069_d":{"difficulty":3200,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.411634586602194,"irt_users":490,"is_experimental":false},"arc070_c":{"difficulty":3365,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.612374819417468,"irt_users":465,"is_experimental":false},"arc070_d":{"difficulty":3365,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.90868779613344,"irt_users":465,"is_experimental":false},"arc071_c":{"slope":-0.0008911566997693395,"intercept":9.144640559309478,"variance":0.27742387096680277,"difficulty":1739,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.06972810640085,"irt_users":473,"is_experimental":false},"arc071_d":{"slope":-0.00046026194220844175,"intercept":8.787460103634254,"variance":0.1618137044661129,"difficulty":2336,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.13287265701484,"irt_users":473,"is_experimental":false},"arc072_c":{"slope":-0.00033009575180899183,"intercept":8.766655264348751,"variance":0.138162632082909,"difficulty":2655,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.85798474761859,"irt_users":461,"is_experimental":false},"arc072_d":{"difficulty":3414,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.548984612323412,"irt_users":461,"is_experimental":false,"slope":-0.00005020760952886017,"intercept":8.192180256973407,"variance":0.027796614223588516},"arc073_c":{"slope":-0.0005971389368506607,"intercept":9.284128137468578,"variance":0.2353047577077303,"difficulty":2434,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.5856861956889,"irt_users":459,"is_experimental":false},"arc073_d":{"difficulty":2867,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.98983858318869,"irt_users":459,"is_experimental":false,"slope":-0.00045803124457792185,"intercept":9.059917586676773,"variance":0.15014696752535375},"arc074_c":{"slope":-0.0004209008964924143,"intercept":8.416647445724585,"variance":0.22876354701948015,"difficulty":2519,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.19630627612942,"irt_users":428,"is_experimental":false},"arc074_d":{"slope":-0.0008763968764853569,"intercept":9.485010066705248,"variance":0.3051011694848121,"difficulty":2208,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.87581077365266,"irt_users":428,"is_experimental":false},"arc075_c":{"slope":-0.0008114787208640007,"intercept":9.003099015794472,"variance":0.43298036210624397,"difficulty":1979,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.6429508839058,"irt_users":600,"is_experimental":false},"arc075_d":{"slope":-0.00037626529794914813,"intercept":8.985140764981024,"variance":0.23877980832189868,"difficulty":2549,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.86764738507748,"irt_users":600,"is_experimental":false},"arc076_c":{"slope":-0.000801234003589011,"intercept":9.480441678439469,"variance":0.22323051406265854,"difficulty":2180,"discrimination":0.004479398673070138,"irt_loglikelihood":-229.13535509273942,"irt_users":637,"is_experimental":false},"arc076_d":{"difficulty":2819,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.32477211298682,"irt_users":637,"is_experimental":false,"slope":-0.0005183042575162806,"intercept":9.293551504837254,"variance":0.1951972237083469},"arc077_c":{"slope":-0.0007051222635736714,"intercept":9.315667801768017,"variance":0.1695744613666291,"difficulty":2117,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.36949115413572,"irt_users":708,"is_experimental":false},"arc077_d":{"difficulty":3370,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.970766134083526,"irt_users":708,"is_experimental":false,"slope":-0.00025083284093506723,"intercept":8.986595064020278,"variance":0.07907879174861619},"arc078_c":{"slope":-0.0004832253402313937,"intercept":9.179862704997783,"variance":0.1575076041328475,"difficulty":2300,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.3250690353828,"irt_users":744,"is_experimental":false},"arc078_d":{"difficulty":2972,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.06733713963251,"irt_users":744,"is_experimental":false,"slope":-0.00012345368437386575,"intercept":8.179950033118832,"variance":0.17261377761675442},"arc079_c":{"slope":-0.00026807093293335516,"intercept":7.8541574300724655,"variance":0.4281655645211182,"difficulty":1745,"discrimination":0.004479398673070138,"irt_loglikelihood":-452.57765813973646,"irt_users":750,"is_experimental":false},"arc079_d":{"slope":-0.00035475052524503586,"intercept":8.757990029274412,"variance":0.13383321862046027,"difficulty":2636,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.2134053902969,"irt_users":750,"is_experimental":false},"arc080_c":{"slope":-0.0004866230471015468,"intercept":9.144824082753077,"variance":0.12797162179896254,"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-198.81134491739914,"irt_users":735,"is_experimental":false},"arc080_d":{"difficulty":3078,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.733125526295446,"irt_users":735,"is_experimental":false,"slope":-0.0004524902261634816,"intercept":9.063413650165419,"variance":0.1968877642212442},"arc081_c":{"slope":-0.00047939066304687354,"intercept":8.696440109593143,"variance":0.29279037753581233,"difficulty":2072,"discrimination":0.004479398673070138,"irt_loglikelihood":-297.0789144124429,"irt_users":828,"is_experimental":false},"arc081_d":{"slope":-0.00021891359982806387,"intercept":8.214887478182863,"variance":0.18391645081493035,"difficulty":2608,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.73208161123719,"irt_users":828,"is_experimental":false},"arc082_c":{"slope":-0.0006146486589355117,"intercept":9.282519152496889,"variance":0.2891620715734319,"difficulty":2729,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.08711046565202,"irt_users":888,"is_experimental":false},"arc082_d":{"slope":-0.00058247811500458,"intercept":9.398225114899896,"variance":0.1986971116078286,"difficulty":2429,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.96460570915838,"irt_users":888,"is_experimental":false},"arc083_c":{"slope":-0.0004943471079617703,"intercept":8.870415389259534,"variance":0.222639221078257,"difficulty":2289,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.81992404133504,"irt_users":661,"is_experimental":false},"arc083_d":{"difficulty":3541,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.545926440011602,"irt_users":661,"is_experimental":false,"slope":-0.0003503499533096073,"intercept":9.525430526384156,"variance":0.00585032978292076},"arc084_b":{"slope":-0.0007485754739799265,"intercept":9.368879484756862,"variance":0.8280694222602424,"difficulty":2457,"discrimination":0.004479398673070138,"irt_loglikelihood":-164.9804768201621,"irt_users":1167,"is_experimental":false},"arc084_c":{"slope":-0.0003557790707785363,"intercept":9.05962299288413,"variance":0.1579213835901492,"difficulty":2703,"discrimination":0.004479398673070138,"irt_loglikelihood":-103.3923569354904,"irt_users":573,"is_experimental":false},"arc084_d":{"difficulty":3397,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.15822168226293,"irt_users":573,"is_experimental":false,"slope":-0.0009462018118693226,"intercept":11.199331438768231,"variance":0.06449185847688646},"arc085_c":{"slope":-0.0005480138057932343,"intercept":9.131490808531769,"variance":0.3356203511012249,"difficulty":2571,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.02760365888821,"irt_users":572,"is_experimental":false},"arc085_d":{"difficulty":3049,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.4236936631454,"irt_users":572,"is_experimental":false,"slope":-0.00078420200300058,"intercept":10.171788787737952,"variance":0.11394981544324899},"arc086_c":{"difficulty":2815,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.01479742858265,"irt_users":675,"is_experimental":false,"slope":-0.00021364490511854397,"intercept":8.666246752251915,"variance":0.09944908400064545},"arc087_c":{"slope":-0.00033408890885653784,"intercept":8.691510815308893,"variance":0.1950500483705083,"difficulty":2431,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.6540450939599,"irt_users":553,"is_experimental":false},"arc087_d":{"difficulty":3252,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.89888247032717,"irt_users":553,"is_experimental":false,"slope":-0.001243079097657597,"intercept":11.618764673049522,"variance":0.01075898611464147},"arc088_c":{"slope":-0.00038456873630610204,"intercept":8.683997812664442,"variance":0.2721191843367709,"difficulty":2231,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.87320716062558,"irt_users":647,"is_experimental":false},"arc088_d":{"difficulty":2983,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.44072589558905,"irt_users":647,"is_experimental":false,"slope":-0.0005505255923900901,"intercept":9.465248748344463,"variance":0.08533480398931889},"arc089_c":{"difficulty":2815,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.43157103380825,"irt_users":808,"is_experimental":false,"slope":-0.00012609615669753965,"intercept":8.315735077846114,"variance":0.15755630623760525},"arc090_c":{"slope":-0.0005670062704778936,"intercept":9.321972304964813,"variance":0.2233740820693166,"difficulty":2319,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.0470126055681,"irt_users":892,"is_experimental":false},"arc090_d":{"slope":-0.0005211112599433756,"intercept":9.39996394875525,"variance":0.20632787862806015,"difficulty":2891,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.1387457590931,"irt_users":892,"is_experimental":false},"arc091_c":{"slope":-0.0006331949564267695,"intercept":9.001545787599996,"variance":0.2700030755052761,"difficulty":1889,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.64615652013833,"irt_users":812,"is_experimental":false},"arc091_d":{"slope":-0.0002924934450537288,"intercept":8.46107638855571,"variance":0.14641745235114045,"difficulty":2395,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.88956847753525,"irt_users":812,"is_experimental":false},"arc092_c":{"slope":-0.0004971080817999799,"intercept":9.281680696936968,"variance":0.19933238251780783,"difficulty":2361,"discrimination":0.004479398673070138,"irt_loglikelihood":-180.87158298432507,"irt_users":710,"is_experimental":false},"arc092_d":{"difficulty":3351,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.74908152356303,"irt_users":710,"is_experimental":false,"slope":-0.00014384445097437927,"intercept":8.346491693793157,"variance":0.08872097288881908},"arc093_c":{"slope":-0.0006192754841207347,"intercept":9.388777354924128,"variance":0.1005109823799629,"difficulty":2551,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.61190436461318,"irt_users":710,"is_experimental":false},"arc093_d":{"difficulty":3201,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.535570997150984,"irt_users":710,"is_experimental":false,"slope":-0.0005409961356692666,"intercept":9.354537395190684,"variance":0.0945036538696722},"arc094_c":{"slope":-0.0006090843903882677,"intercept":8.869797293836458,"variance":0.40096200688867956,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.7580124807899,"irt_users":731,"is_experimental":false},"arc094_d":{"difficulty":3132,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.809256676642455,"irt_users":731,"is_experimental":false,"slope":-0.00020797741265973565,"intercept":8.431818194032044,"variance":0.1608235785314205},"arc095_c":{"slope":-0.0004014013287268344,"intercept":9.078508565830692,"variance":0.18119483793627084,"difficulty":2441,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.14519371640665,"irt_users":829,"is_experimental":false},"arc095_d":{"slope":-0.0003877184737262344,"intercept":8.98247488789358,"variance":0.21874404683470813,"difficulty":2626,"discrimination":0.004479398673070138,"irt_loglikelihood":-113.49705992458355,"irt_users":829,"is_experimental":false},"arc096_c":{"difficulty":3163,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.7199105171148,"irt_users":936,"is_experimental":false,"slope":-0.00009371945222312666,"intercept":8.446254401228583,"variance":0.16101811319075646},"arc097_c":{"slope":-0.00060679342519424,"intercept":9.152614561613582,"variance":0.16271216033947777,"difficulty":2247,"discrimination":0.004479398673070138,"irt_loglikelihood":-185.8652551855942,"irt_users":781,"is_experimental":false},"arc097_d":{"difficulty":2948,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.45159028422372,"irt_users":781,"is_experimental":false,"slope":-0.00031356528218778987,"intercept":8.923902024030012,"variance":0.15725828152249244},"arc098_c":{"slope":-0.000900131999085574,"intercept":9.462973874631462,"variance":0.2642853617684259,"difficulty":1951,"discrimination":0.004479398673070138,"irt_loglikelihood":-325.0227213529139,"irt_users":896,"is_experimental":false},"arc098_d":{"difficulty":3189,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.90398377582574,"irt_users":896,"is_experimental":false,"slope":-0.00028215281615972317,"intercept":8.83797015043895,"variance":0.11215208098090786},"arc099_c":{"slope":-0.0006631170666723979,"intercept":9.272032497764467,"variance":0.2337441080894695,"difficulty":2160,"discrimination":0.004479398673070138,"irt_loglikelihood":-256.3340934284381,"irt_users":980,"is_experimental":false},"arc099_d":{"difficulty":3039,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.853952937878134,"irt_users":980,"is_experimental":false,"slope":-0.00018052617170595222,"intercept":8.476145480878529,"variance":0.22445510979723934},"arc100_c":{"slope":-0.0006468876005549606,"intercept":8.808295768012915,"variance":0.2939571270781501,"difficulty":2111,"discrimination":0.004479398673070138,"irt_loglikelihood":-230.59225348949897,"irt_users":818,"is_experimental":false},"arc100_d":{"difficulty":3486,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.160309551091606,"irt_users":818,"is_experimental":false},"arc101_c":{"difficulty":2913,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.2357968028722,"irt_users":797,"is_experimental":false,"slope":-0.0002625856281441047,"intercept":8.404646371294215,"variance":0.24186443718026063},"arc101_d":{"difficulty":2930,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.339978516664935,"irt_users":797,"is_experimental":false,"slope":-0.00028863395058393774,"intercept":8.551755432500913,"variance":0.1666596121519818},"arc102_c":{"slope":-0.0004409394835397784,"intercept":8.874838510192648,"variance":0.20035521086785682,"difficulty":2484,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.02873171059943,"irt_users":735,"is_experimental":false},"arc102_d":{"difficulty":3464,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.671836470320537,"irt_users":735,"is_experimental":false},"arc103_c":{"slope":-0.00045699105072770255,"intercept":8.581054403400277,"variance":0.2520497009937731,"difficulty":1722,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.62684657063465,"irt_users":954,"is_experimental":false},"arc103_d":{"difficulty":2836,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.92812059260952,"irt_users":954,"is_experimental":false,"slope":-0.000029031541363304683,"intercept":7.89472252236092,"variance":0.09489794368895689},"bitflyer2018_qual_a":{"slope":-0.0008025980797939663,"intercept":6.119724030897577},"bitflyer2018_qual_b":{"slope":-0.0006611978764757519,"intercept":6.726666974622634},"bitflyer2018_qual_c":{"slope":-0.0009663357037531246,"intercept":9.482699922590326},"bitflyer2018_qual_d":{"slope":-0.0007833286190344222,"intercept":9.701323782185549},"bitflyer2018_qual_e":{"slope":-0.00045320260462026546,"intercept":9.236299192439745},"caddi2018_a":{"slope":-0.001226422501726391,"intercept":8.915755685785108,"variance":0.558466432874458,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-739.2421043567579,"irt_users":1909,"is_experimental":false},"caddi2018_b":{"slope":-0.0006725130114212487,"intercept":8.180549486105823,"variance":0.6329752502196826,"difficulty":1106,"discrimination":0.004479398673070138,"irt_loglikelihood":-920.9468506286104,"irt_users":1909,"is_experimental":false},"caddi2018_c":{"slope":-0.0004802420831199456,"intercept":9.22307603757871,"variance":0.22541281574650393,"difficulty":2327,"discrimination":0.004479398673070138,"irt_loglikelihood":-199.98376214148817,"irt_users":753,"is_experimental":false},"caddi2018_d":{"slope":-0.00029665044173082637,"intercept":8.861156530620018,"variance":0.12065367717823774,"difficulty":2723,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.19573389315099,"irt_users":753,"is_experimental":false},"caddi2018b_a":{"slope":-0.0015014240526452032,"intercept":6.5569960649016545,"variance":1.0605909725722755,"difficulty":-712,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.45767200243885,"irt_users":1156,"is_experimental":false},"caddi2018b_b":{"slope":-0.0010387371426909691,"intercept":6.553467339168799,"variance":0.32112888481641594,"difficulty":-432,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.78919418689856,"irt_users":1156,"is_experimental":false},"cf16_exhibition_final_a":{"is_experimental":false,"slope":-0.000029539391392873995,"intercept":6.539100817160319,"variance":0.6853237256408332},"cf16_exhibition_final_b":{"is_experimental":false},"cf16_exhibition_final_c":{"is_experimental":false,"slope":-0.0007628528829235248,"intercept":8.787523756992394,"variance":0.3184084233691198},"cf16_exhibition_final_d":{"is_experimental":false,"slope":-0.00034584209124241256,"intercept":8.194646455195592,"variance":0.4978654267958979},"cf16_exhibition_final_e":{"is_experimental":false},"cf16_exhibition_final_f":{"is_experimental":false},"cf16_exhibition_final_g":{"is_experimental":false,"slope":-0.00022954614208690996,"intercept":8.711705709089374,"variance":0.14113767571771063},"cf16_exhibition_final_h":{"is_experimental":false},"cf16_exhibition_final_j":{"is_experimental":false,"slope":-0.000375926954065129,"intercept":9.286047952311975,"variance":0.16578601612038713},"codefestival_2016_final_a":{"slope":-0.0008834592015968528,"intercept":7.617120617100628,"variance":0.751659697064639,"difficulty":-76,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.359700784477464,"irt_users":391,"is_experimental":false},"codefestival_2016_final_b":{"slope":-0.0011242022608043407,"intercept":8.812902480112106,"variance":0.5405649501808127,"difficulty":968,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.95737068828481,"irt_users":391,"is_experimental":false},"codefestival_2016_final_c":{"slope":-0.0012096127819256266,"intercept":9.339076894271045,"variance":0.4890325162379508,"difficulty":1525,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.06341151642394,"irt_users":391,"is_experimental":false},"codefestival_2016_final_d":{"slope":-0.001093129293440436,"intercept":10.09281446499335,"variance":0.3218302286876516,"difficulty":1671,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.72926318043713,"irt_users":391,"is_experimental":false},"codefestival_2016_final_e":{"slope":-0.0006743478080040612,"intercept":9.691436743262994,"variance":0.5100651235899697,"difficulty":2700,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.98677229364121,"irt_users":391,"is_experimental":false},"codefestival_2016_final_f":{"slope":-0.0006611881060856343,"intercept":9.268562268760297,"variance":0.3791739795416037,"difficulty":2539,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.67163697425256,"irt_users":391,"is_experimental":false},"codefestival_2016_final_g":{"difficulty":3072,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.13021986232045,"irt_users":391,"is_experimental":false,"slope":-0.0004338570885340268,"intercept":9.09792270289543,"variance":0.16519357002181487},"codefestival_2016_final_h":{"difficulty":3569,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.38349756320789,"irt_users":391,"is_experimental":false,"slope":-0.00025329235883325186,"intercept":9.109063807169184,"variance":0.18072273875072245},"codefestival_2016_final_i":{"difficulty":3463,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.562767564321376,"irt_users":391,"is_experimental":false},"cf17_final_a":{"slope":-0.000818706794335797,"intercept":8.449132901960489,"variance":0.7673223781779563,"difficulty":439,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.38728946454162,"irt_users":385,"is_experimental":false},"cf17_final_b":{"slope":-0.0009272734129661374,"intercept":8.157740181116873,"variance":0.6223265877938763,"difficulty":812,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.40569438845552,"irt_users":385,"is_experimental":false},"cf17_final_c":{"slope":-0.000908236107041433,"intercept":9.543101239691387,"variance":0.3253618679482385,"difficulty":1390,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.07498409518223,"irt_users":385,"is_experimental":false},"cf17_final_d":{"slope":-0.0006148372483794816,"intercept":9.06230661098963,"variance":0.3200521322219315,"difficulty":2509,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.40428382005732,"irt_users":385,"is_experimental":false},"cf17_final_e":{"slope":-0.0004058964956037437,"intercept":9.197052400490271,"variance":0.24942931741107632,"difficulty":2817,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.49493600745171,"irt_users":385,"is_experimental":false},"cf17_final_f":{"slope":-0.0006085752558437896,"intercept":9.789982378597765,"variance":0.349331203405897,"difficulty":2641,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.5743239326937,"irt_users":385,"is_experimental":false},"cf17_final_g":{"difficulty":2931,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.160855903540934,"irt_users":385,"is_experimental":false,"slope":-0.0005631250789594377,"intercept":9.59326569085715,"variance":0.23017193993574428},"cf17_final_h":{"difficulty":3988,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.453505293658386,"irt_users":385,"is_experimental":false},"cf17_final_i":{"difficulty":3988,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.293799988920416,"irt_users":385,"is_experimental":false},"cf17_final_j":{"difficulty":3822,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.047233244406943,"irt_users":385,"is_experimental":false},"codefestival_2016_qualA_a":{"slope":-0.0007898940329722881,"intercept":6.5471702882332385,"variance":1.096200629043737,"difficulty":-135,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.43036308424922,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_b":{"slope":-0.0010278250787320606,"intercept":7.45319734623354,"variance":0.5097886690465261,"difficulty":464,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.64757972125811,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_c":{"slope":-0.0009949756435287255,"intercept":8.761850040341711,"variance":0.5882221561137301,"difficulty":1077,"discrimination":0.004479398673070138,"irt_loglikelihood":-255.1179391903295,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_d":{"slope":-0.0005366678043496368,"intercept":9.41854916764254,"variance":0.3205552736108063,"difficulty":2684,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.81854982496809,"irt_users":733,"is_experimental":false},"codefestival_2016_qualA_e":{"slope":-0.00021373705531524872,"intercept":8.559199376418102,"variance":0.3199372884142476,"difficulty":2723,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.3434099940024,"irt_users":733,"is_experimental":false},"codefestival_2016_qualB_a":{"slope":-0.0008457111130464753,"intercept":6.709308113890951,"variance":0.9539045385950563,"difficulty":-103,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.61626026882082,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_b":{"slope":-0.000833888950462895,"intercept":7.680213183359367,"variance":0.3396346933640197,"difficulty":309,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.27366608610606,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_c":{"slope":-0.0011617995944503041,"intercept":9.836589126206242,"variance":0.2840932691291338,"difficulty":1688,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.58159091737272,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_d":{"slope":-0.0008354866218789766,"intercept":9.263419544639355,"variance":0.32215679858440177,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-285.7020868656179,"irt_users":630,"is_experimental":false},"codefestival_2016_qualB_e":{"slope":-0.0005551849833454667,"intercept":9.501499126288731,"variance":0.09117590088468845,"difficulty":2576,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.62915702939524,"irt_users":630,"is_experimental":false},"codefestival_2016_qualC_a":{"slope":-0.0010983309866842198,"intercept":7.572796396122804,"variance":0.8363838335715968,"difficulty":105,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.635679554949,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_b":{"slope":-0.001009328741471004,"intercept":8.387004407910974,"variance":0.4661235395057625,"difficulty":1012,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.2449485322516,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_c":{"slope":-0.00096358779008861,"intercept":9.258637382972909,"variance":0.3507740233490624,"difficulty":1404,"discrimination":0.004479398673070138,"irt_loglikelihood":-335.7434644728829,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_d":{"slope":-0.0006750544163915285,"intercept":9.341577554505937,"variance":0.24043463514777008,"difficulty":2283,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.13198169712982,"irt_users":825,"is_experimental":false},"codefestival_2016_qualC_e":{"difficulty":2885,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.050987914319485,"irt_users":825,"is_experimental":false},"code_festival_2017_quala_a":{"slope":-0.0006929734791701859,"intercept":6.545785725058025,"variance":1.0556128563021978,"difficulty":-158,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.3511599736223,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_b":{"slope":-0.0010676891828151531,"intercept":8.506201332030702,"variance":0.4922470044356184,"difficulty":863,"discrimination":0.004479398673070138,"irt_loglikelihood":-623.0646441170253,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_c":{"slope":-0.0008101707116500628,"intercept":8.803717065251332,"variance":0.34513620271525636,"difficulty":1203,"discrimination":0.004479398673070138,"irt_loglikelihood":-604.1346403363054,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_d":{"slope":-0.0006662428212483424,"intercept":9.43749996697734,"variance":0.5117257805538187,"difficulty":2445,"discrimination":0.004479398673070138,"irt_loglikelihood":-300.39223927604695,"irt_users":1432,"is_experimental":false},"code_festival_2017_quala_e":{"difficulty":3415,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.03062325065159,"irt_users":1432,"is_experimental":false,"slope":-0.00024807951894844005,"intercept":8.969258635372041,"variance":0.062713468868768},"code_festival_2017_quala_f":{"slope":-0.0001321237584132831,"intercept":8.381673438992095,"variance":0.2639901408025425,"difficulty":3091,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.97438206006031,"irt_users":1432,"is_experimental":false},"code_festival_2017_qualb_a":{"slope":-0.0007305061240018819,"intercept":6.325262940088644,"variance":0.8602339245112005,"difficulty":-282,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.67974690932753,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_b":{"slope":-0.0009715415950852576,"intercept":7.664827105993468,"variance":0.5698900402273319,"difficulty":568,"discrimination":0.004479398673070138,"irt_loglikelihood":-324.42838381275135,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_c":{"slope":-0.0012305615045027094,"intercept":10.097602455080088,"variance":0.33099546974822774,"difficulty":1883,"discrimination":0.004479398673070138,"irt_loglikelihood":-375.48791986497093,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_d":{"slope":-0.000503637341513297,"intercept":9.227229493982161,"variance":0.24580988355415412,"difficulty":2499,"discrimination":0.004479398673070138,"irt_loglikelihood":-289.6771441538105,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_e":{"slope":-0.0001949385091483031,"intercept":8.576271210194793,"variance":0.24356205921511434,"difficulty":2937,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.78682501020486,"irt_users":1267,"is_experimental":false},"code_festival_2017_qualb_f":{"difficulty":3266,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.88553017267149,"irt_users":1267,"is_experimental":false,"slope":-0.00010605063987830937,"intercept":7.9999240125099735,"variance":0.20970700981185184},"code_festival_2017_qualc_a":{"slope":-0.0007846145733021337,"intercept":6.57221857447899,"variance":0.9162648737067222,"difficulty":-301,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.10236606442714,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_b":{"slope":-0.0009283430902959972,"intercept":7.615282336585037,"variance":0.4393476107114503,"difficulty":424,"discrimination":0.004479398673070138,"irt_loglikelihood":-263.83114111109387,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_c":{"slope":-0.00091863714412136,"intercept":8.508820656082952,"variance":0.53377094648741,"difficulty":975,"discrimination":0.004479398673070138,"irt_loglikelihood":-457.89110292706,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_d":{"slope":-0.0006410455845707416,"intercept":8.895788728593782,"variance":0.6599068190344244,"difficulty":2132,"discrimination":0.004479398673070138,"irt_loglikelihood":-303.9944575329393,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_e":{"difficulty":3750,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.426128255664121,"irt_users":1209,"is_experimental":false},"code_festival_2017_qualc_f":{"difficulty":3315,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.81409729241288,"irt_users":1209,"is_experimental":false,"slope":-0.00044928440215855845,"intercept":9.827687506938274,"variance":0.06962699250656744},"code_festival_2018_final_a":{"slope":-0.0011870872498007383,"intercept":9.534849860996497},"code_festival_2018_final_b":{"slope":-0.0006263755678455585,"intercept":8.431469993778794},"code_festival_2018_final_c":{"slope":-0.0008181060552593762,"intercept":8.764422094798089},"code_festival_2018_final_d":{"slope":-0.00048246451182863996,"intercept":8.966933655247704},"code_festival_2018_final_e":{"slope":-0.0006452477027741838,"intercept":9.002679829307759},"code_festival_2018_final_g":{"slope":-0.0005171638753431,"intercept":9.004289793419964},"code_festival_2018_quala_a":{"slope":-0.0007631048471201023,"intercept":6.439059491669251},"code_festival_2018_quala_b":{"slope":-0.0008271743965897098,"intercept":7.103421027232519},"code_festival_2018_quala_c":{"slope":-0.0011386799856186185,"intercept":9.89891219940849},"code_festival_2018_quala_d":{"slope":-0.0007861520429406618,"intercept":9.718613166110469},"code_festival_2018_qualb_a":{"slope":-0.0007263565342449063,"intercept":6.1770421000732085},"code_festival_2018_qualb_b":{"slope":-0.000853881519156287,"intercept":6.984341850054327},"code_festival_2018_qualb_c":{"slope":-0.0008100078407296218,"intercept":9.02900623394932},"code_festival_2018_qualb_e":{"slope":-0.0006576003002985174,"intercept":9.763945847079992},"code_thanks_festival_2018_a":{"slope":-0.0007069616700948414,"intercept":6.946015563244069},"code_thanks_festival_2018_b":{"slope":-0.0005738444494151289,"intercept":7.5850098480069},"code_thanks_festival_2018_c":{"slope":-0.0010583551852365262,"intercept":8.217689486242529},"code_thanks_festival_2018_d":{"slope":-0.0008178752391563433,"intercept":7.362888893485522},"code_thanks_festival_2018_e":{"slope":-0.001159225939718634,"intercept":9.973044702975518},"code_thanks_festival_2018_f":{"slope":-0.0006931970973059632,"intercept":9.68214193960432},"code_thanks_festival_2018_g":{"slope":-0.0003584494547042486,"intercept":9.421942570423454},"colopl2018_final_a":{"slope":-0.0010799667719262158,"intercept":9.155267209357639},"colopl2018_final_b":{"slope":-0.0007251686704794087,"intercept":8.230837246964446},"colopl2018_final_c":{"slope":-0.0007107563651495002,"intercept":9.500790651651371},"colopl2018_final_d":{"slope":-0.00041428681368378266,"intercept":9.091298738482363},"ddcc_2016_final_a":{"slope":-0.0006770251685596075,"intercept":7.302645972415579},"ddcc_2016_final_b":{"slope":-0.0005860625133401072,"intercept":8.846228693307257},"ddcc_2016_final_c":{"slope":-0.000831042705740626,"intercept":9.58378709639717},"ddcc_2016_qual_a":{"slope":-0.0007654542570764876,"intercept":6.621737844641525},"ddcc_2016_qual_b":{"slope":-0.0007169443131439656,"intercept":8.45759737575343},"ddcc_2016_qual_c":{"slope":-0.0008918979009795958,"intercept":9.145105698406182},"ddcc2017_qual_a":{"slope":-0.0006446695676579973,"intercept":5.98074014098882},"ddcc2017_qual_b":{"slope":-0.00045312952094634604,"intercept":5.4055565677531865},"ddcc2017_qual_c":{"slope":-0.0007204620567283356,"intercept":7.795829456186641},"ddcc2017_qual_d":{"slope":-0.00034676622643895486,"intercept":8.748449095123435},"ddcc2019_final_a":{"slope":-0.0005732025920754637,"intercept":7.676545262341043},"ddcc2019_final_b":{"slope":-0.0006797469709095233,"intercept":8.930177455451211},"ddcc2019_final_c":{"slope":-0.00013048954918565107,"intercept":8.543973946776969},"ddcc2019_final_d":{"slope":-0.0008093126573760345,"intercept":9.808154774201032},"ddcc2018_qual_a":{"slope":-0.0006378363723909299,"intercept":5.663092874548002},"ddcc2018_qual_b":{"slope":-0.0005993143945210504,"intercept":7.540152794870643},"ddcc2018_qual_c":{"slope":-0.000999852208497134,"intercept":8.719097351137293},"ddcc2018_qual_d":{"slope":-0.0002753234765841747,"intercept":8.309265193705349},"diverta2019_a":{"slope":-0.0009013463907652253,"intercept":6.269105512612029,"variance":0.8756903071021355,"difficulty":-551,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.85365707549573,"irt_users":3350,"is_experimental":false},"diverta2019_b":{"slope":-0.0012761705530084588,"intercept":8.143501134918393,"variance":0.4942182538218553,"difficulty":538,"discrimination":0.004479398673070138,"irt_loglikelihood":-1127.1241869815624,"irt_users":3350,"is_experimental":false},"diverta2019_c":{"slope":-0.0008007413964253921,"intercept":8.623178770222742,"variance":0.31361304091019127,"difficulty":922,"discrimination":0.004479398673070138,"irt_loglikelihood":-1577.3297972699088,"irt_users":3350,"is_experimental":false},"diverta2019_d":{"slope":-0.0008769807248096009,"intercept":8.622983687419717,"variance":0.43948096430543576,"difficulty":1098,"discrimination":0.004479398673070138,"irt_loglikelihood":-1334.3375631273198,"irt_users":3350,"is_experimental":false},"diverta2019_e":{"slope":-0.00043371258547637083,"intercept":8.914428315287443,"variance":0.19916837359557668,"difficulty":2423,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.76524775569007,"irt_users":3350,"is_experimental":false},"diverta2019_2_a":{"slope":-0.0005692743876336581,"intercept":6.305672769404895,"variance":0.8441416217985389,"difficulty":-642,"discrimination":0.004479398673070138,"irt_loglikelihood":-301.5742728003579,"irt_users":3260,"is_experimental":false},"diverta2019_2_b":{"slope":-0.0010456976533664765,"intercept":8.84933382413701,"variance":0.47666949255853164,"difficulty":1026,"discrimination":0.004479398673070138,"irt_loglikelihood":-1542.0678313924814,"irt_users":3260,"is_experimental":false},"diverta2019_2_c":{"slope":-0.0006440522188943074,"intercept":8.830259850763078,"variance":0.3293916717027269,"difficulty":1226,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.3068705000817,"irt_users":3260,"is_experimental":false},"diverta2019_2_d":{"slope":-0.0004200624977749238,"intercept":8.67238369449293,"variance":0.29409305516345746,"difficulty":1884,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.5193215618601,"irt_users":3260,"is_experimental":false},"diverta2019_2_e":{"slope":-0.0004566451035096602,"intercept":8.7314180262881,"variance":0.1899466273558109,"difficulty":2543,"discrimination":0.004479398673070138,"irt_loglikelihood":-166.21058695938007,"irt_users":3260,"is_experimental":false},"diverta2019_2_f":{"difficulty":3306,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.58995899535396,"irt_users":3260,"is_experimental":false,"slope":-0.0006319092110326777,"intercept":10.18878771813232,"variance":0.05239375908950978},"dp_a":{"slope":-0.0007574324179684416,"intercept":7.935654010483213},"dp_b":{"slope":-0.0007824248286669497,"intercept":6.945176128677425},"dp_c":{"slope":-0.000844066452952733,"intercept":7.412276262834036},"dp_d":{"slope":-0.0008992121470148356,"intercept":7.682690959928005},"dp_e":{"slope":-0.0010298370460509177,"intercept":8.081348398599598},"dp_f":{"slope":-0.0006467940835249381,"intercept":8.121206078089822},"dp_g":{"slope":-0.0007909762982167039,"intercept":7.803943882846977},"dp_h":{"slope":-0.0009762128220435587,"intercept":7.96945254866972},"dp_i":{"slope":-0.0007991007364814317,"intercept":7.797029451265817},"dp_j":{"slope":-0.0004902667982858832,"intercept":8.159598175491302},"dp_k":{"slope":-0.0009304101553350072,"intercept":8.287596213150666},"dp_l":{"slope":-0.000711529772095587,"intercept":7.944751425842546},"dp_m":{"slope":-0.0004936072328261481,"intercept":7.774862470396683},"dp_n":{"slope":-0.0008504229739063758,"intercept":8.287168054633563},"dp_o":{"slope":-0.0007148309052166181,"intercept":8.029744407316798},"dp_p":{"slope":-0.0005518620369239002,"intercept":7.716754851573459},"dp_q":{"slope":-0.0005682309079313101,"intercept":7.653042926469661},"dp_r":{"slope":-0.00036630695096680313,"intercept":7.367116636176571},"dp_s":{"slope":-0.0007505487617246251,"intercept":8.256127799762972},"dp_t":{"slope":-0.0007146321189314429,"intercept":8.704077669466095},"dp_u":{"slope":-0.0007079791979053891,"intercept":8.245757073519098},"dp_v":{"slope":-0.00019143434996663432,"intercept":8.227947205830663},"dp_w":{"slope":-0.0002095784864397411,"intercept":8.021715551529983},"dp_x":{"slope":-0.00004374332452219468,"intercept":7.501643836833227},"dp_y":{"slope":-0.00024500018576838515,"intercept":7.5078152381467484},"dp_z":{"slope":-0.0003412898898025983,"intercept":7.934769538589558},"dwango2017qual_a":{"slope":-0.0007281987827008378,"intercept":6.6663246032443455},"dwango2017qual_b":{"slope":-0.0009481816563727615,"intercept":8.891762177596918},"dwango2017qual_c":{"slope":-0.0008170839608698775,"intercept":8.603971127909869},"dwango2017qual_d":{"slope":-0.0009827859365042506,"intercept":9.342050457486705},"dwacon2018_final_a":{"slope":-0.000970942663374535,"intercept":9.953138807072477},"dwacon2018_final_b":{"slope":-0.0008094640129710762,"intercept":9.752847424798686},"dwacon2018_prelims_a":{"slope":-0.0007493777336927222,"intercept":6.238434350100817},"dwacon2018_prelims_b":{"slope":-0.0009313118661275519,"intercept":8.182137368923692},"dwacon2018_prelims_c":{"slope":-0.0008870059221192785,"intercept":9.786409757225899},"dwacon2018_prelims_d":{"slope":-0.0008534966345051429,"intercept":9.551919834923508},"dwacon2018_prelims_e":{"slope":-0.0005654454684348735,"intercept":9.567731591841312},"dwacon5th_final_a":{"slope":-0.00041345840319474827,"intercept":8.381954175614645},"dwacon5th_prelims_a":{"slope":-0.0009172698489649803,"intercept":7.511390865978748,"variance":0.7721291429250904,"difficulty":-19,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.93211316341362,"irt_users":1362,"is_experimental":false},"dwacon5th_prelims_b":{"slope":-0.0012501968922883316,"intercept":9.638791534997335,"variance":0.47003455392458937,"difficulty":1381,"discrimination":0.004479398673070138,"irt_loglikelihood":-437.08137673259256,"irt_users":1362,"is_experimental":false},"dwacon5th_prelims_c":{"slope":-0.0007610801709948325,"intercept":9.031827726216248,"variance":0.3524785485643215,"difficulty":1747,"discrimination":0.004479398673070138,"irt_loglikelihood":-336.9932005692811,"irt_users":1362,"is_experimental":false},"dwacon5th_prelims_d":{"difficulty":2875,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.119821315968515,"irt_users":1362,"is_experimental":false,"slope":-0.0006868785210071852,"intercept":10.005111485519933,"variance":0.21078601123052437},"dwacon5th_prelims_e":{"difficulty":2978,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.759469803307375,"irt_users":1362,"is_experimental":false},"exawizards2019_a":{"slope":-0.0007912725216963962,"intercept":6.190213039817996,"variance":1.0623145104962712,"difficulty":-807,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.24927578754934,"irt_users":2832,"is_experimental":false},"exawizards2019_b":{"slope":-0.0006783735496896743,"intercept":6.040199603877347,"variance":0.46070292880764957,"difficulty":-539,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.687174206167,"irt_users":2832,"is_experimental":false},"exawizards2019_c":{"slope":-0.0008762289503534955,"intercept":9.425593615222217,"variance":0.3092102753956965,"difficulty":1709,"discrimination":0.004479398673070138,"irt_loglikelihood":-725.059493356591,"irt_users":2832,"is_experimental":false},"exawizards2019_d":{"slope":-0.0006386775865064316,"intercept":9.05092613964041,"variance":0.3922095410691234,"difficulty":2075,"discrimination":0.004479398673070138,"irt_loglikelihood":-333.58250524707546,"irt_users":2832,"is_experimental":false},"exawizards2019_e":{"slope":-0.0006235850479802519,"intercept":9.180836088755136,"variance":0.30406524036628446,"difficulty":2309,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.95863922283533,"irt_users":2832,"is_experimental":false},"exawizards2019_f":{"difficulty":3140,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.979917634211546,"irt_users":2832,"is_experimental":false},"keyence2019_a":{"slope":-0.0009372466413092376,"intercept":6.727415432036619,"variance":0.7068919320888302,"difficulty":-564,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.5375332943137,"irt_users":1871,"is_experimental":false},"keyence2019_b":{"slope":-0.0011489189219717534,"intercept":8.188523286628298,"variance":0.6506155839613751,"difficulty":446,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.1857000531362,"irt_users":1871,"is_experimental":false},"keyence2019_c":{"slope":-0.0009326006034282416,"intercept":8.26151046363932,"variance":0.32921180142949136,"difficulty":701,"discrimination":0.004479398673070138,"irt_loglikelihood":-634.8069134179257,"irt_users":1871,"is_experimental":false},"keyence2019_d":{"slope":-0.0007779277797486746,"intercept":9.287126403545333,"variance":0.21900270530178567,"difficulty":1670,"discrimination":0.004479398673070138,"irt_loglikelihood":-489.09160627946954,"irt_users":1871,"is_experimental":false},"keyence2019_e":{"slope":-0.0002715543349793343,"intercept":8.642693126046803,"variance":0.2743925244579762,"difficulty":2623,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.0250114207805,"irt_users":1871,"is_experimental":false},"keyence2019_f":{"difficulty":2957,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.067947766010434,"irt_users":1871,"is_experimental":false,"slope":-0.00025845797746007785,"intercept":8.698052503677005,"variance":0.22588950013825349},"m_solutions2019_a":{"slope":-0.0007780780405157224,"intercept":5.946460472002412,"variance":0.9472415577970853,"difficulty":-793,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.8296343685593,"irt_users":3104,"is_experimental":false},"m_solutions2019_b":{"slope":-0.0008054992147918691,"intercept":6.47816737527271,"variance":0.42505643070503474,"difficulty":-456,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.2096755115938,"irt_users":3104,"is_experimental":false},"m_solutions2019_c":{"slope":-0.0008416627842026003,"intercept":9.365466986528725,"variance":0.3576578131075054,"difficulty":2038,"discrimination":0.004479398673070138,"irt_loglikelihood":-431.4697228502197,"irt_users":3104,"is_experimental":false},"m_solutions2019_d":{"slope":-0.000965456296135044,"intercept":9.338581149265421,"variance":0.3022063323762387,"difficulty":1267,"discrimination":0.004479398673070138,"irt_loglikelihood":-1102.1386619652915,"irt_users":3104,"is_experimental":false},"m_solutions2019_e":{"slope":-0.0006640986931335108,"intercept":9.051687387626332,"variance":0.3772793725923414,"difficulty":2261,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.3423481773712,"irt_users":3104,"is_experimental":false},"m_solutions2019_f":{"difficulty":2986,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.79859977267205,"irt_users":3104,"is_experimental":false},"mujin_pc_2017_a":{"slope":-0.0007719828796888327,"intercept":9.442076301700649,"variance":0.3696560702774913,"difficulty":1900,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.26239323601555,"irt_users":449,"is_experimental":false},"mujin_pc_2017_b":{"slope":-0.0004988319472284803,"intercept":9.098330788159673,"variance":0.2940666135198235,"difficulty":2177,"discrimination":0.004479398673070138,"irt_loglikelihood":-216.23463503802324,"irt_users":449,"is_experimental":false},"mujin_pc_2017_c":{"difficulty":3096,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.66198132789225,"irt_users":449,"is_experimental":false,"slope":-0.00031174331431540727,"intercept":8.819105365224548,"variance":0.10681857092572061},"mujin_pc_2017_d":{"difficulty":3960,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.580866454022281,"irt_users":449,"is_experimental":false},"mujin_pc_2018_a":{"slope":-0.0007931925883526162,"intercept":6.306308480627123},"mujin_pc_2018_b":{"slope":-0.0007378049948306867,"intercept":6.571009129986547},"mujin_pc_2018_c":{"slope":-0.0010175656747380662,"intercept":9.252242791485282},"mujin_pc_2018_d":{"slope":-0.0008214640162836938,"intercept":8.969960197442708},"mujin_pc_2018_e":{"slope":-0.0006858958131738005,"intercept":9.129892180501475},"mujin_pc_2018_f":{"slope":-0.0009824303015723405,"intercept":10.032732491326103},"nikkei2019_final_a":{"slope":-0.0003465110728028534,"intercept":6.194623606736583},"nikkei2019_final_b":{"slope":-0.0006101820100661903,"intercept":7.1910909793777735},"nikkei2019_final_c":{"slope":-0.0009527412357493208,"intercept":9.026828847321573},"nikkei2019_final_d":{"slope":-0.0011061192820402727,"intercept":9.355924953155409},"nikkei2019_final_e":{"slope":-0.0010448728311173994,"intercept":10.376230730456241},"nikkei2019_final_f":{"slope":-0.00036305032628303283,"intercept":9.656249984308165},"nikkei2019_qual_a":{"slope":-0.0009027347381025256,"intercept":6.839138782470832,"variance":0.5766810052815312,"difficulty":-437,"discrimination":0.004479398673070138,"irt_loglikelihood":-215.3385259031814,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_b":{"slope":-0.0009091804173477239,"intercept":7.060497631137783,"variance":0.3107571793246269,"difficulty":-125,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.8622235793417,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_c":{"slope":-0.0009374197033761943,"intercept":8.579298960027547,"variance":0.5117424519992528,"difficulty":1136,"discrimination":0.004479398673070138,"irt_loglikelihood":-1108.385563720698,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_d":{"slope":-0.0010356811789401432,"intercept":9.387078310359191,"variance":0.41382734364688745,"difficulty":1541,"discrimination":0.004479398673070138,"irt_loglikelihood":-612.8655029629194,"irt_users":2176,"is_experimental":false},"nikkei2019_qual_e":{"slope":-0.00013729846835003524,"intercept":8.35750421857748,"variance":0.16029105712861372,"difficulty":2294,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.31813332161133,"irt_users":2176,"is_experimental":false},"rco_contest_2018_qual_b":{"slope":-0.00007206163043602892,"intercept":8.782444107512783},"soundhound2018_a":{"slope":-0.0006336773614564305,"intercept":5.954956967941391},"soundhound2018_b":{"slope":-0.0006659462652171094,"intercept":6.294774991867459},"soundhound2018_c":{"slope":-0.0005000740587828734,"intercept":8.48167299469353},"soundhound2018_d":{"slope":-0.00035182821639488285,"intercept":8.761596163397131},"soundhound2018_summer_final_a":{"slope":-0.0011172354510045242,"intercept":8.647592686498196},"soundhound2018_summer_final_b":{"slope":-0.0011018868580718706,"intercept":9.493579166172093},"soundhound2018_summer_final_c":{"slope":-0.0006220456045084995,"intercept":9.117502045649895},"soundhound2018_summer_final_d":{"slope":-0.0004160947593460121,"intercept":8.859076325314792},"soundhound2018_summer_final_e":{"slope":-0.0005037729120970435,"intercept":9.101870767530016},"soundhound2018_summer_qual_a":{"slope":-0.0007234834295705574,"intercept":6.0946807882193,"variance":0.908223780051289,"difficulty":-545,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.3788385446271,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_b":{"slope":-0.0008806330863660593,"intercept":6.489016674589319,"variance":0.6368339341984242,"difficulty":-115,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.1146208287407,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_c":{"slope":-0.0011239034125348941,"intercept":9.144017271113198,"variance":0.4624233065276935,"difficulty":1225,"discrimination":0.004479398673070138,"irt_loglikelihood":-876.8370366783379,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_d":{"slope":-0.0009062095994152907,"intercept":9.270543132435279,"variance":0.28669276013549894,"difficulty":1637,"discrimination":0.004479398673070138,"irt_loglikelihood":-468.8722781279095,"irt_users":1721,"is_experimental":false},"soundhound2018_summer_qual_e":{"slope":-0.0005377829881663865,"intercept":9.213415931978622,"variance":0.21726453241583105,"difficulty":2164,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.2047615504441,"irt_users":1721,"is_experimental":false},"tenka1_2016_final_a":{"slope":-0.00016988665692063226,"intercept":6.847946029677769},"tenka1_2016_final_b":{"slope":-0.0009691779817879351,"intercept":8.340188763335766},"tenka1_2016_final_c":{"slope":-0.0004098405166385726,"intercept":8.310031196110161},"tenka1_2016_final_d":{"slope":-0.0005437749560308529,"intercept":8.793549751863646},"tenka1_2016_final_e":{"slope":-0.0006065640423571871,"intercept":9.205449309624148},"tenka1_2016_qualA_a":{"slope":-0.000562520591722729,"intercept":6.191849666923776},"tenka1_2016_qualA_b":{"slope":-0.0007390171426524269,"intercept":8.117239978681784},"tenka1_2016_qualA_c":{"slope":-0.000866740686330258,"intercept":8.569045750959711},"tenka1_2016_qualA_d":{"slope":-0.00021253696589868285,"intercept":8.363079895965546},"tenka1_2016_qualA_e":{"slope":-0.00034330103333441754,"intercept":8.501308172109619},"tenka1_2016_qualB_a":{"slope":-0.0006834377883442759,"intercept":6.617989644798066},"tenka1_2016_qualB_b":{"slope":-0.0006308372002381329,"intercept":8.431745130527455},"tenka1_2016_qualB_c":{"slope":-0.0005893026460589303,"intercept":8.806542184138008},"tenka1_2016_qualB_d":{"slope":-0.0008746238288078523,"intercept":9.47018198003781},"tenka1_2017_c":{"slope":-0.0008455284897465348,"intercept":8.511045371738133,"variance":0.5260590255565659,"difficulty":1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-453.0985355402244,"irt_users":1097,"is_experimental":false},"tenka1_2017_d":{"slope":-0.00099242053654559,"intercept":9.450940274658535,"variance":0.37127655136689697,"difficulty":1789,"discrimination":0.004479398673070138,"irt_loglikelihood":-334.4822183614428,"irt_users":1097,"is_experimental":false},"tenka1_2017_e":{"slope":-0.00048120844370960097,"intercept":9.115490471089077,"variance":0.22449822343238793,"difficulty":2703,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.10093881721353,"irt_users":622,"is_experimental":false},"tenka1_2017_a":{"slope":-0.0007225025914026419,"intercept":6.495230124342483,"variance":1.4873942116658259,"difficulty":-523,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.457438103907155,"irt_users":475,"is_experimental":false},"tenka1_2017_b":{"slope":-0.0009006669512925882,"intercept":7.473448822053747,"variance":0.4447135439180232,"difficulty":188,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.21829756638533,"irt_users":475,"is_experimental":false},"tenka1_2018_c":{"slope":-0.0006883131702624015,"intercept":8.618688576067653,"variance":0.26503729823319044,"difficulty":1095,"discrimination":0.004479398673070138,"irt_loglikelihood":-962.1038188453812,"irt_users":1908,"is_experimental":false},"tenka1_2018_d":{"slope":-0.000792587021119218,"intercept":8.943584722150437,"variance":0.2876038033885881,"difficulty":1351,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.4344454959696,"irt_users":1908,"is_experimental":false},"tenka1_2018_e":{"slope":-0.00007535094932284434,"intercept":8.087968616627284,"variance":0.1585000783355377,"difficulty":2459,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.05251525570077,"irt_users":764,"is_experimental":false},"tenka1_2018_f":{"difficulty":3493,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.926958941610703,"irt_users":764,"is_experimental":false,"slope":-0.00011130843909602443,"intercept":8.432202785447927,"variance":0.0647439587987454},"tenka1_2018_a":{"slope":-0.00109017627352641,"intercept":6.4832007522332225,"variance":1.1526194321111753,"difficulty":-562,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.8292294828165,"irt_users":1144,"is_experimental":false},"tenka1_2018_b":{"slope":-0.0010196579046639598,"intercept":7.018878504362933,"variance":0.3115423205652726,"difficulty":-239,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.0783917150927,"irt_users":1144,"is_experimental":false},"tenka1_2019_c":{"slope":-0.001095226406812548,"intercept":8.839483082318452,"variance":0.6065099317535181,"difficulty":944,"discrimination":0.004479398673070138,"irt_loglikelihood":-1567.760868374128,"irt_users":3959,"is_experimental":false},"tenka1_2019_d":{"slope":-0.0007822818635103687,"intercept":9.424109255053335,"variance":0.34250504582146374,"difficulty":2237,"discrimination":0.004479398673070138,"irt_loglikelihood":-300.2307494372046,"irt_users":3959,"is_experimental":false},"tenka1_2019_e":{"slope":-0.0003949231900981704,"intercept":9.070807410753822,"variance":0.18191371497128847,"difficulty":2746,"discrimination":0.004479398673070138,"irt_loglikelihood":-161.69766921901297,"irt_users":1292,"is_experimental":false},"tenka1_2019_f":{"difficulty":2891,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.03508382069195,"irt_users":1292,"is_experimental":false,"slope":-0.00029429060614565483,"intercept":8.751137897334988,"variance":0.1847836441227184},"tenka1_2019_a":{"slope":-0.0010322379603909697,"intercept":6.847774870983913,"variance":0.7334281412283571,"difficulty":-746,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.29512497001016,"irt_users":2667,"is_experimental":false},"tenka1_2019_b":{"slope":-0.0011727327654354033,"intercept":6.8376720813002505,"variance":0.4976668981750377,"difficulty":-500,"discrimination":0.004479398673070138,"irt_loglikelihood":-340.2790833453091,"irt_users":2667,"is_experimental":false},"yahoo_procon2018_qual_a":{"slope":-0.0006832323715604416,"intercept":6.587140229847373},"yahoo_procon2018_qual_b":{"slope":-0.0007162564109956732,"intercept":6.938127667759088},"yahoo_procon2018_qual_c":{"slope":-0.0008864361857319616,"intercept":9.835821025645554},"yahoo_procon2018_qual_d":{"slope":-0.0008951926052639217,"intercept":10.453119262002184},"yahoo_procon2018_qual_e":{"slope":-0.00031545402839200246,"intercept":8.929493659252579},"yahoo_procon2019_qual_a":{"slope":-0.0010696391643417122,"intercept":7.06384951628736,"variance":0.7080754411343326,"difficulty":-278,"discrimination":0.004479398673070138,"irt_loglikelihood":-313.86696248570337,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_b":{"slope":-0.0009346244660761396,"intercept":7.352326866271441,"variance":0.3904507351663805,"difficulty":-122,"discrimination":0.004479398673070138,"irt_loglikelihood":-430.31738463318123,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_c":{"slope":-0.0009333554479217675,"intercept":8.233012111877041,"variance":0.38346999163742557,"difficulty":547,"discrimination":0.004479398673070138,"irt_loglikelihood":-936.7073400195203,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_d":{"slope":-0.0007770045590276967,"intercept":9.487021354868538,"variance":0.26003523800387174,"difficulty":1998,"discrimination":0.004479398673070138,"irt_loglikelihood":-480.89014366399556,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_e":{"slope":-0.00044573870864762544,"intercept":8.778584847622328,"variance":0.29748194844413356,"difficulty":2585,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.09353812545234,"irt_users":2575,"is_experimental":false},"yahoo_procon2019_qual_f":{"slope":-0.0006716016783858475,"intercept":9.187480433910896,"variance":0.3382940482406155,"difficulty":2253,"discrimination":0.004479398673070138,"irt_loglikelihood":-306.92354966767584,"irt_users":2575,"is_experimental":false},"jsc2019_qual_a":{"slope":-0.0009027698417112669,"intercept":7.242738602703035,"variance":0.4110453778427509,"difficulty":-455,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.0877753138813,"irt_users":3233,"is_experimental":false},"jsc2019_qual_b":{"slope":-0.0011585184559182585,"intercept":8.764600751015683,"variance":0.3724380346261622,"difficulty":801,"discrimination":0.004479398673070138,"irt_loglikelihood":-1295.6446081308936,"irt_users":3233,"is_experimental":false},"jsc2019_qual_c":{"slope":-0.0008545815365101892,"intercept":9.108148393082791,"variance":0.25139397687148485,"difficulty":1790,"discrimination":0.004479398673070138,"irt_loglikelihood":-747.8121556432791,"irt_users":3233,"is_experimental":false},"jsc2019_qual_d":{"slope":-0.0010177235533051173,"intercept":9.4010322956673,"variance":0.38181343637747334,"difficulty":1924,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.3298958995017,"irt_users":3233,"is_experimental":false},"jsc2019_qual_e":{"slope":-0.0001464562587856532,"intercept":7.892553934423884,"variance":0.19785853360976152,"difficulty":2691,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.03790592593973,"irt_users":3233,"is_experimental":false},"jsc2019_qual_f":{"difficulty":3353,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.704596644340356,"irt_users":3233,"is_experimental":false,"slope":-0.000039010996041731496,"intercept":8.006771742455753,"variance":0.0588336172898231},"abc139_a":{"slope":-0.0007690259564459256,"intercept":6.1935258648791915,"variance":0.632162590582143,"difficulty":-789,"discrimination":0.004479398673070138,"irt_loglikelihood":-357.8338304789377,"irt_users":4889,"is_experimental":false},"abc139_b":{"slope":-0.0008772609306646886,"intercept":7.075369790982867,"variance":0.69832083826112,"difficulty":-71,"discrimination":0.004479398673070138,"irt_loglikelihood":-1555.6926012405845,"irt_users":4889,"is_experimental":false},"abc139_c":{"slope":-0.0010636251717833988,"intercept":7.37618972164543,"variance":0.43832372090948585,"difficulty":13,"discrimination":0.004479398673070138,"irt_loglikelihood":-1381.9976421998313,"irt_users":4994,"is_experimental":false},"abc139_d":{"slope":-0.0011110470306374028,"intercept":7.417241844459141,"variance":0.5698353017863766,"difficulty":354,"discrimination":0.004479398673070138,"irt_loglikelihood":-1910.1612758751571,"irt_users":4994,"is_experimental":false},"abc139_e":{"slope":-0.0005424370694231668,"intercept":8.64090978476243,"variance":0.28907772136596244,"difficulty":1528,"discrimination":0.004479398673070138,"irt_loglikelihood":-1181.8923691563414,"irt_users":4994,"is_experimental":false},"abc139_f":{"slope":-0.0006024242647122516,"intercept":8.689425667663823,"variance":0.5156441976490649,"difficulty":2034,"discrimination":0.004479398673070138,"irt_loglikelihood":-506.1841982648399,"irt_users":4994,"is_experimental":false},"abc140_a":{"slope":-0.000988613404546041,"intercept":5.8529161442246105,"variance":1.0953736973834107,"difficulty":-958,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.8641294832273,"irt_users":4736,"is_experimental":false},"abc140_b":{"slope":-0.0009966426379834105,"intercept":7.250732574473477,"variance":0.24394445898871822,"difficulty":-249,"discrimination":0.004479398673070138,"irt_loglikelihood":-894.2837192743578,"irt_users":4736,"is_experimental":false},"abc140_c":{"slope":-0.0010034067479367838,"intercept":7.416301305701168,"variance":0.3598837119867488,"difficulty":39,"discrimination":0.004479398673070138,"irt_loglikelihood":-1413.2420462687594,"irt_users":4847,"is_experimental":false},"abc140_d":{"slope":-0.0007382895823483714,"intercept":8.29521983818568,"variance":0.4533020802079,"difficulty":1074,"discrimination":0.004479398673070138,"irt_loglikelihood":-2101.601122368349,"irt_users":4847,"is_experimental":false},"abc140_e":{"slope":-0.0008507638421901508,"intercept":9.213965838206779,"variance":0.2626566460478197,"difficulty":1873,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.83714132452997,"irt_users":4847,"is_experimental":false},"abc140_f":{"slope":-0.0006834682059603946,"intercept":8.946847602163428,"variance":0.3336196766774983,"difficulty":2105,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.8779668980359,"irt_users":4847,"is_experimental":false},"abc141_a":{"slope":-0.0007446620659235544,"intercept":6.011061072444279,"variance":0.7279849465995912,"difficulty":-891,"discrimination":0.004479398673070138,"irt_loglikelihood":-265.7745290268843,"irt_users":4549,"is_experimental":false},"abc141_b":{"slope":-0.0009799622734252597,"intercept":6.720803303086661,"variance":0.32248182539819414,"difficulty":-424,"discrimination":0.004479398673070138,"irt_loglikelihood":-645.2129719143629,"irt_users":4549,"is_experimental":false},"abc141_c":{"slope":-0.0010865393394053158,"intercept":7.458714958986442,"variance":0.3029866980283437,"difficulty":-35,"discrimination":0.004479398673070138,"irt_loglikelihood":-1202.0397139394304,"irt_users":4649,"is_experimental":false},"abc141_d":{"slope":-0.0012107346232861859,"intercept":8.004431108032708,"variance":0.5074477046000645,"difficulty":823,"discrimination":0.004479398673070138,"irt_loglikelihood":-1858.1091143048836,"irt_users":4649,"is_experimental":false},"abc141_e":{"slope":-0.0005255298923520557,"intercept":8.299674820859384,"variance":0.5860521502720054,"difficulty":1459,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.6342077607144,"irt_users":4649,"is_experimental":false},"abc141_f":{"slope":-0.00012257733296312017,"intercept":8.081722325303087,"variance":0.320714758902101,"difficulty":2342,"discrimination":0.004479398673070138,"irt_loglikelihood":-196.22065659994212,"irt_users":4649,"is_experimental":false},"code_festival_2018_final_f":{"slope":-0.00004384100313779359,"intercept":8.351851929770675},"code_thanks_festival_2018_h":{"slope":-0.0015076989192569763,"intercept":11.41280592387488},"colopl2018_final_e":{"slope":-0.00042527772666648697,"intercept":9.159606668312007},"agc038_a":{"slope":-0.0007378248202479313,"intercept":8.374706330397936,"variance":0.5520655533379191,"difficulty":989,"discrimination":0.004479398673070138,"irt_loglikelihood":-1170.540394340297,"irt_users":1883,"is_experimental":false},"agc038_b":{"slope":-0.0005779346466826945,"intercept":8.973342958287255,"variance":0.30398255853254386,"difficulty":1615,"discrimination":0.004479398673070138,"irt_loglikelihood":-640.302677163897,"irt_users":1883,"is_experimental":false},"agc038_c":{"slope":-0.0004019780162817349,"intercept":8.436651628924313,"variance":0.4157798000267879,"difficulty":2327,"discrimination":0.004479398673070138,"irt_loglikelihood":-320.82628918958545,"irt_users":1883,"is_experimental":false},"agc038_d":{"slope":-0.0003978744622823882,"intercept":8.754935242013763,"variance":0.13611384975139357,"difficulty":2682,"discrimination":0.004479398673070138,"irt_loglikelihood":-227.3402632586738,"irt_users":1883,"is_experimental":false},"agc038_e":{"difficulty":3831,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.644878600820526,"irt_users":1883,"is_experimental":false},"agc038_f":{"difficulty":3283,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.17966679250527,"irt_users":1883,"is_experimental":false,"slope":-0.0002652353135532044,"intercept":8.689495476570062,"variance":0.23726234807823135},"abc142_a":{"slope":-0.0009837819233246344,"intercept":6.588887676309887,"variance":0.6029085695105355,"difficulty":-658,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.0850850671718,"irt_users":4572,"is_experimental":false},"abc142_b":{"slope":-0.0008881023169265485,"intercept":5.91526698545597,"variance":0.37420641001220717,"difficulty":-592,"discrimination":0.004479398673070138,"irt_loglikelihood":-481.4449735264484,"irt_users":4572,"is_experimental":false},"abc142_c":{"slope":-0.0012180340936849292,"intercept":7.109998290008365,"variance":0.4320299327366581,"difficulty":-90,"discrimination":0.004479398673070138,"irt_loglikelihood":-1180.9275935993157,"irt_users":4669,"is_experimental":false},"abc142_d":{"slope":-0.0011565242718760344,"intercept":8.528515447317355,"variance":0.6487912381320988,"difficulty":827,"discrimination":0.004479398673070138,"irt_loglikelihood":-2108.3147756183234,"irt_users":4669,"is_experimental":false},"abc142_e":{"slope":-0.001149688969239184,"intercept":8.980874425704043,"variance":0.42824388409817765,"difficulty":1397,"discrimination":0.004479398673070138,"irt_loglikelihood":-988.8726260083756,"irt_users":4669,"is_experimental":false},"abc142_f":{"slope":-0.0001036688688127276,"intercept":8.06403519050632,"variance":0.20892573108541238,"difficulty":1919,"discrimination":0.004479398673070138,"irt_loglikelihood":-496.7577893992849,"irt_users":4669,"is_experimental":false},"agc039_a":{"slope":-0.0008933094718668347,"intercept":9.081247451555106,"variance":0.377185530990819,"difficulty":517,"discrimination":0.004479398673070138,"irt_loglikelihood":-1532.3450926729042,"irt_users":2807,"is_experimental":false},"agc039_b":{"slope":-0.0008454479276615105,"intercept":9.158783786117452,"variance":0.3458993565611324,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-896.8478258124876,"irt_users":2807,"is_experimental":false},"agc039_c":{"slope":-0.0005518647683954157,"intercept":9.605478371986086,"variance":0.18560732673354022,"difficulty":2379,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.3439498206351,"irt_users":2807,"is_experimental":false},"agc039_d":{"difficulty":3118,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.88796635069795,"irt_users":2807,"is_experimental":false,"slope":-0.0005999213445911368,"intercept":9.569896781943937,"variance":0.44885740367777155},"agc039_e":{"difficulty":3430,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.67580107590482,"irt_users":2807,"is_experimental":false,"slope":-0.00034589249418284605,"intercept":9.368303882566266,"variance":0.13990753614141554},"agc039_f":{"difficulty":4060,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.575724163461704,"irt_users":2807,"is_experimental":false},"arc063_d":{"difficulty":3688,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.691068365249769,"irt_users":368,"is_experimental":false},"arc089_d":{"difficulty":3782,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.51294862318344,"irt_users":808,"is_experimental":false},"arc096_d":{"difficulty":3896,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.184240926098089,"irt_users":936,"is_experimental":false},"diverta2019_f":{"difficulty":3595,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.01694272368224,"irt_users":3350,"is_experimental":false},"nikkei2019_qual_f":{"difficulty":3778,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.112634323480468,"irt_users":2176,"is_experimental":false},"tenka1_2017_f":{"difficulty":3653,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.98082128317307,"irt_users":622,"is_experimental":false},"agc001_a":{"is_experimental":false},"agc001_b":{"is_experimental":false},"agc001_c":{"is_experimental":false},"agc001_d":{"is_experimental":false},"agc001_e":{"is_experimental":false},"agc001_f":{"is_experimental":false},"cf16_exhibition_final_i":{"is_experimental":false},"arc066_d":{"is_experimental":false},"agc012_f":{"is_experimental":false},"arc086_d":{"is_experimental":false},"agc020_f":{"is_experimental":false},"wtf19_a":{"is_experimental":false},"wtf19_b":{"is_experimental":false},"wtf19_c1":{"is_experimental":false},"wtf19_c2":{"is_experimental":false},"wtf19_d":{"is_experimental":false},"wtf19_e":{"is_experimental":false},"abc143_a":{"slope":-0.0007913594022099718,"intercept":6.028070120788195,"variance":0.7776330640442267,"difficulty":-903,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.6863054338029,"irt_users":4228,"is_experimental":false},"abc143_b":{"slope":-0.0009872832698439664,"intercept":6.376709871662299,"variance":0.3192346530837138,"difficulty":-514,"discrimination":0.004479398673070138,"irt_loglikelihood":-513.6116388509167,"irt_users":4228,"is_experimental":false},"abc143_c":{"slope":-0.000967335326141981,"intercept":6.479542167418035,"variance":0.39040057174001364,"difficulty":-322,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.6564901796262,"irt_users":4338,"is_experimental":false},"abc143_d":{"slope":-0.0006244157940652064,"intercept":7.890913533144795,"variance":0.5623924683815154,"difficulty":686,"discrimination":0.004479398673070138,"irt_loglikelihood":-2462.992351162435,"irt_users":4338,"is_experimental":false},"abc143_e":{"slope":-0.0006804322211517751,"intercept":8.825514360449084,"variance":0.3897245795375819,"difficulty":1695,"discrimination":0.004479398673070138,"irt_loglikelihood":-695.6337378779108,"irt_users":4338,"is_experimental":false},"abc143_f":{"slope":-0.0004154534780933599,"intercept":8.57091496812084,"variance":0.29117059774381365,"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-257.24835524683704,"irt_users":4338,"is_experimental":false},"arc001_1":{"is_experimental":true},"arc001_2":{"is_experimental":true},"arc001_3":{"is_experimental":true},"arc001_4":{"is_experimental":true},"arc002_1":{"slope":-0.0005776386743739415,"intercept":6.531138791332212,"variance":0.9370760235304156,"difficulty":-381,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.820422243506354,"irt_users":95,"is_experimental":true},"arc002_2":{"slope":-0.00007921670238456613,"intercept":7.042092693674414,"variance":0.5883717957163462,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.55660901303878,"irt_users":95,"is_experimental":true},"arc002_3":{"slope":-0.000050765787791071756,"intercept":7.128711105138762,"variance":0.52388637741803,"difficulty":1164,"discrimination":0.004479398673070138,"irt_loglikelihood":-78.89220138662236,"irt_users":95,"is_experimental":true},"arc002_4":{"difficulty":2728,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.510349167097912,"irt_users":95,"is_experimental":true},"arc003_1":{"slope":-0.001103142539014025,"intercept":7.989889616349106,"variance":0.8704790167761755,"difficulty":452,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.85926521476229,"irt_users":201,"is_experimental":true},"arc003_2":{"slope":-0.001042393065335937,"intercept":7.719867722833184,"variance":0.5240527271368528,"difficulty":746,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.6813074851365,"irt_users":201,"is_experimental":true},"arc003_3":{"difficulty":1972,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.37226760607965,"irt_users":201,"is_experimental":true,"slope":-0.00022927320285288672,"intercept":8.37954335191685,"variance":0.14070584393179233},"arc003_4":{"difficulty":2194,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.42297121742077,"irt_users":201,"is_experimental":true,"slope":-0.000002898482615385662,"intercept":7.559554089375102,"variance":0.11916950552469832},"arc004_1":{"slope":-0.0011348971444133332,"intercept":7.890724160843539,"variance":0.5378460061827055,"difficulty":330,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.72515890753522,"irt_users":243,"is_experimental":true},"arc004_2":{"slope":-0.000532574230197032,"intercept":7.589106007708961,"variance":0.5045462211534353,"difficulty":1118,"discrimination":0.004479398673070138,"irt_loglikelihood":-157.45228266069958,"irt_users":243,"is_experimental":true},"arc004_3":{"slope":-0.0004612794930043088,"intercept":8.595867055872455,"variance":0.2195318430038554,"difficulty":1904,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.43507085810063,"irt_users":243,"is_experimental":true},"arc004_4":{"difficulty":2267,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.22377217234092,"irt_users":243,"is_experimental":true,"slope":-0.0003686041095733342,"intercept":8.186930071662871,"variance":0.211174119836921},"arc005_1":{"slope":-0.0008586354364764825,"intercept":7.661527580504895,"variance":0.5530770989241337,"difficulty":339,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.83237306403243,"irt_users":220,"is_experimental":true},"arc005_2":{"slope":-0.000904472366674246,"intercept":8.448523557977882,"variance":0.2604418454905727,"difficulty":998,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.07626569749348,"irt_users":220,"is_experimental":true},"arc005_3":{"slope":-0.0007642419842951107,"intercept":8.495291687582469,"variance":0.3653791133555701,"difficulty":1503,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.04418612069584,"irt_users":220,"is_experimental":true},"arc005_4":{"difficulty":2487,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.82447025151243,"irt_users":220,"is_experimental":true,"slope":-0.00028284126905752624,"intercept":8.614625058542256,"variance":0.16989610373793945},"arc006_1":{"slope":-0.0009267328136459199,"intercept":8.02729952959258,"variance":0.40260485499124987,"difficulty":126,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.707587959476335,"irt_users":200,"is_experimental":true},"arc006_2":{"slope":-0.0011629061001937756,"intercept":8.647071627745053,"variance":0.27434465443847617,"difficulty":814,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.43191837618724,"irt_users":200,"is_experimental":true},"arc006_3":{"slope":-0.0007472943140846547,"intercept":8.00872462860096,"variance":0.31480555748761857,"difficulty":1042,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.6727938869653,"irt_users":200,"is_experimental":true},"arc006_4":{"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.98867343814881,"irt_users":200,"is_experimental":true,"slope":-0.0003432474263351253,"intercept":8.121632396849577,"variance":0.2039646584039588},"arc007_1":{"slope":-0.0009328425962796029,"intercept":7.134759008280437,"variance":0.936353140802895,"difficulty":123,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.942537465932507,"irt_users":183,"is_experimental":true},"arc007_2":{"slope":-0.0009993969338929953,"intercept":8.198623472112644,"variance":0.3179890559233217,"difficulty":529,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.404279822448395,"irt_users":183,"is_experimental":true},"arc007_3":{"slope":-0.0013679098339546324,"intercept":9.57874261653931,"variance":0.3446709778938677,"difficulty":1386,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.4151885076339,"irt_users":183,"is_experimental":true},"arc007_4":{"difficulty":2491,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.035633302425946,"irt_users":183,"is_experimental":true},"arc008_1":{"slope":-0.0008007475199431018,"intercept":7.274738954135028,"variance":0.7494804620161314,"difficulty":24,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.555950134325093,"irt_users":215,"is_experimental":true},"arc008_2":{"slope":-0.001309313311181148,"intercept":8.67221272438432,"variance":0.38033656301715224,"difficulty":772,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.76292729925607,"irt_users":215,"is_experimental":true},"arc008_3":{"difficulty":1927,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.65684328697816,"irt_users":215,"is_experimental":true,"slope":-0.0003871915809082449,"intercept":8.345874432566504,"variance":0.22148800676424302},"arc008_4":{"difficulty":2430,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.698810501287976,"irt_users":215,"is_experimental":true,"slope":-0.0006135443366625233,"intercept":8.820788405280922,"variance":0.0887954293805267},"arc009_1":{"slope":-0.0011245193139231416,"intercept":7.398433712717396,"variance":0.6011773455115877,"difficulty":-43,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.212524748953705,"irt_users":241,"is_experimental":true},"arc009_2":{"slope":-0.0013023092576205442,"intercept":8.987523853399882,"variance":0.2537773806671485,"difficulty":830,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.03483841975157,"irt_users":241,"is_experimental":true},"arc009_3":{"difficulty":2015,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.738761074069714,"irt_users":241,"is_experimental":true,"slope":-0.0010048740214490524,"intercept":9.8039822254432,"variance":0.20216550707772643},"arc009_4":{"difficulty":2801,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.582350925053065,"irt_users":241,"is_experimental":true},"arc010_1":{"slope":-0.0012406933486418814,"intercept":8.204099266504908,"variance":0.5322719648582054,"difficulty":224,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.97522033949551,"irt_users":241,"is_experimental":true},"arc010_2":{"slope":-0.000864990984770963,"intercept":8.729763546172132,"variance":0.38003465437875233,"difficulty":1107,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.18146211320426,"irt_users":241,"is_experimental":true},"arc010_3":{"difficulty":2011,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.7396889337506,"irt_users":241,"is_experimental":true,"slope":-0.0005986286755894731,"intercept":8.803747803514836,"variance":0.30565063965800854},"arc010_4":{"difficulty":2481,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.925824923093018,"irt_users":241,"is_experimental":true,"slope":-0.00000884700223308937,"intercept":7.951010767413809,"variance":0.09947873154872389},"arc011_1":{"slope":-0.0013185494468212473,"intercept":8.512394713606755,"variance":0.38606356526869173,"difficulty":401,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.485942632194316,"irt_users":216,"is_experimental":true},"arc011_2":{"slope":-0.001023691627119868,"intercept":8.755322014307872,"variance":0.2728401815321656,"difficulty":917,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.1362212780638,"irt_users":216,"is_experimental":true},"arc011_3":{"slope":-0.000508883944715668,"intercept":8.33240162373886,"variance":0.2245173541889924,"difficulty":1488,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.18489717363484,"irt_users":216,"is_experimental":true},"arc011_4":{"difficulty":2808,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.94926306686509,"irt_users":216,"is_experimental":true},"arc012_1":{"slope":-0.0009453951959744563,"intercept":7.3963750578179805,"variance":0.612766823589279,"difficulty":-392,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.271664037562136,"irt_users":222,"is_experimental":true},"arc012_2":{"slope":-0.0009731833615856208,"intercept":7.640417928663397,"variance":0.26355312247278856,"difficulty":159,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.995363093237266,"irt_users":222,"is_experimental":true},"arc012_3":{"difficulty":1873,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.873653282974274,"irt_users":222,"is_experimental":true,"slope":-0.0004875632588848754,"intercept":8.711845358040165,"variance":0.319764771317675},"arc012_4":{"difficulty":3046,"discrimination":0.004479398673070138,"irt_loglikelihood":-1.5458356052592488,"irt_users":222,"is_experimental":true},"arc013_1":{"slope":-0.0011294710419891725,"intercept":8.300053570668897,"variance":0.4903929479395452,"difficulty":585,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.69155733499436,"irt_users":223,"is_experimental":true},"arc013_2":{"slope":-0.0009541432991363917,"intercept":7.906794477625995,"variance":0.37977142891270316,"difficulty":788,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.810946401188,"irt_users":223,"is_experimental":true},"arc013_3":{"slope":-0.000472201248883148,"intercept":8.209767124428318,"variance":0.20953533112023345,"difficulty":1831,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.72943444237496,"irt_users":223,"is_experimental":true},"arc013_4":{"difficulty":2535,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.534079506708625,"irt_users":223,"is_experimental":true},"arc014_1":{"slope":-0.0009338599242016626,"intercept":6.654802247535283,"variance":1.0525870157086048,"is_experimental":true},"arc014_2":{"slope":-0.0009562872161084449,"intercept":8.182449322979274,"variance":0.42417186694696757,"difficulty":606,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.71431594617444,"irt_users":256,"is_experimental":true},"arc014_3":{"slope":-0.0005038826929442806,"intercept":7.950208223398849,"variance":0.47958458473521626,"difficulty":1266,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.1502585552667,"irt_users":256,"is_experimental":true},"arc014_4":{"slope":-0.0006772869464518363,"intercept":8.877456306959166,"variance":0.1575393383142664,"difficulty":1904,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.79971215372291,"irt_users":256,"is_experimental":true},"arc015_1":{"slope":-0.001164580164870633,"intercept":7.200698573107196,"variance":0.9187867739716795,"difficulty":102,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.588416508369008,"irt_users":251,"is_experimental":true},"arc015_2":{"slope":-0.0008514168091248272,"intercept":7.699057880990305,"variance":0.3683816811588358,"difficulty":464,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.80560375205773,"irt_users":251,"is_experimental":true},"arc015_3":{"difficulty":2185,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.94033434546475,"irt_users":251,"is_experimental":true,"slope":-0.0001759331393953351,"intercept":8.504316078815286,"variance":0.2819772921192464},"arc015_4":{"difficulty":2688,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.22416917407734,"irt_users":251,"is_experimental":true},"abc001_1":{"slope":-0.0005235127675179603,"intercept":6.480188217901211,"variance":1.9830810089379265,"difficulty":-305,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.275229960681347,"irt_users":222,"is_experimental":true},"abc001_2":{"slope":-0.0006133211994782636,"intercept":7.563273672570342,"variance":0.4954469734291135,"difficulty":520,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.62512323420209,"irt_users":222,"is_experimental":true},"abc001_3":{"slope":-0.00047074243389900983,"intercept":8.451197082590921,"variance":0.19300895100840426,"difficulty":1189,"discrimination":0.004479398673070138,"irt_loglikelihood":-185.52400248988505,"irt_users":222,"is_experimental":true},"abc001_4":{"slope":-0.0005272810371799659,"intercept":8.41760993764678,"variance":0.25542587268441835,"difficulty":1565,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.29243796209569,"irt_users":222,"is_experimental":true},"abc002_1":{"slope":-0.0007794038953221,"intercept":6.928032237811502,"variance":1.7644328075165023,"difficulty":124,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.897058682278406,"irt_users":218,"is_experimental":true},"abc002_2":{"slope":-0.0011064998913320229,"intercept":7.279120733958815,"variance":0.7398380455890177,"difficulty":298,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.3296834223791,"irt_users":218,"is_experimental":true},"abc002_3":{"slope":-0.0007922246117632154,"intercept":7.783890181489346,"variance":0.6569654891497607,"difficulty":623,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.3940482951409,"irt_users":218,"is_experimental":true},"abc002_4":{"slope":-0.0009785135038923513,"intercept":8.896071504434197,"variance":0.6034501980144459,"difficulty":1418,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.39847411590836,"irt_users":218,"is_experimental":true},"arc016_1":{"slope":-0.0013686869329297227,"intercept":7.534933750930721,"variance":0.9158909798532501,"difficulty":52,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.51323002890078,"irt_users":288,"is_experimental":true},"arc016_2":{"slope":-0.0013226867453809297,"intercept":8.284329828005475,"variance":0.32114130346165687,"difficulty":540,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.04780378915338,"irt_users":288,"is_experimental":true},"arc016_3":{"difficulty":2092,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.43778277135368,"irt_users":288,"is_experimental":true,"slope":-0.0008404604280866475,"intercept":9.379589591242025,"variance":0.24674091583374794},"arc016_4":{"difficulty":2683,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.411992746229036,"irt_users":288,"is_experimental":true},"abc003_1":{"slope":-0.0009432720674396861,"intercept":7.421081991847351,"variance":0.8440241107562121,"difficulty":-613,"discrimination":0.004479398673070138,"irt_loglikelihood":-1.9721798531464567,"irt_users":156,"is_experimental":true},"abc003_2":{"slope":-0.0009390061779282225,"intercept":8.056836870747984,"variance":0.4762387387849827,"difficulty":668,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.39328614144472,"irt_users":156,"is_experimental":true},"abc003_3":{"slope":-0.0009272397116744418,"intercept":7.974557890817503,"variance":0.4312926413270423,"difficulty":824,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.7502880944134,"irt_users":156,"is_experimental":true},"abc003_4":{"difficulty":2033,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.64044969622519,"irt_users":156,"is_experimental":true,"slope":-0.001542502921833764,"intercept":10.795179340636853,"variance":0.4748217317143639},"arc017_1":{"slope":-0.0011548764921453256,"intercept":7.794373715327045,"variance":0.9285588333603308,"difficulty":185,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.96232919183745,"irt_users":228,"is_experimental":true},"arc017_2":{"slope":-0.0011633547945063306,"intercept":8.623901685534943,"variance":0.5612601314357046,"difficulty":1085,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.36128746625029,"irt_users":228,"is_experimental":true},"arc017_3":{"slope":-0.0011368045072184115,"intercept":8.956917148949318,"variance":0.5020796869400301,"difficulty":1625,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.28848298152282,"irt_users":228,"is_experimental":true},"arc017_4":{"difficulty":2244,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.64541180533247,"irt_users":228,"is_experimental":true,"slope":-0.0004249479716384177,"intercept":8.659745911639668,"variance":0.6176359555485251},"abc004_1":{"slope":-0.0009529626281055137,"intercept":6.58694255464039,"variance":2.0815442380776275,"difficulty":-406,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.186217579404314,"irt_users":218,"is_experimental":true},"abc004_2":{"slope":-0.0010637773725785686,"intercept":7.764150539420579,"variance":0.48009105685019354,"difficulty":367,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.174619082230834,"irt_users":218,"is_experimental":true},"abc004_3":{"slope":-0.0011006544045925578,"intercept":8.467207896190512,"variance":0.41630180490328933,"difficulty":685,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.22111106039114,"irt_users":218,"is_experimental":true},"abc004_4":{"difficulty":1861,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.95808219157765,"irt_users":218,"is_experimental":true,"slope":-0.0007657684177064863,"intercept":9.207266076529212,"variance":0.2579555003320167},"arc018_1":{"slope":-0.0008772483238252574,"intercept":7.123762398365697,"variance":0.8783282621275115,"difficulty":-85,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.37631734407224,"irt_users":289,"is_experimental":true},"arc018_2":{"slope":-0.0011832347184286632,"intercept":8.94464784468532,"variance":0.4328359292290105,"difficulty":1330,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.30665309326778,"irt_users":289,"is_experimental":true},"arc018_3":{"difficulty":1979,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.591426158576,"irt_users":289,"is_experimental":true,"slope":-0.0006675732915269064,"intercept":8.873174850211404,"variance":0.2593966843269239},"arc018_4":{"difficulty":2644,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.92124290468533,"irt_users":289,"is_experimental":true},"arc019_1":{"slope":-0.0008720555340140028,"intercept":7.44906961546846,"variance":0.7997229900859592,"difficulty":219,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.48066141489352,"irt_users":253,"is_experimental":true},"arc019_2":{"slope":-0.0010723599210298797,"intercept":9.028321623501776,"variance":0.3806479029336791,"difficulty":1209,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.9192089839241,"irt_users":253,"is_experimental":true},"arc019_3":{"difficulty":2881,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.387620097406149,"irt_users":253,"is_experimental":true},"arc019_4":{"difficulty":2730,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.54204224476173,"irt_users":253,"is_experimental":true,"slope":-0.00048303780241949014,"intercept":9.363568019944209,"variance":0.05008302759401686},"abc005_1":{"slope":-0.00123304048738671,"intercept":7.138177612778504,"variance":1.6070356327257511,"difficulty":-231,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.79218330211985,"irt_users":201,"is_experimental":true},"abc005_2":{"slope":-0.0008440135392491041,"intercept":6.523562110011258,"variance":0.5403093214231772,"difficulty":125,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.77344055564969,"irt_users":201,"is_experimental":true},"abc005_3":{"slope":-0.0011223697667639167,"intercept":8.75372910873474,"variance":0.3675018635756715,"difficulty":840,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.08813350596817,"irt_users":201,"is_experimental":true},"abc005_4":{"slope":-0.0010593294975678698,"intercept":9.235957218934123,"variance":0.4452215369191591,"difficulty":1447,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.3772379208906,"irt_users":201,"is_experimental":true},"arc020_1":{"slope":-0.0013160561663329898,"intercept":7.660298696817012,"variance":0.7356453928246538,"difficulty":-308,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.271482324543314,"irt_users":278,"is_experimental":true},"arc020_2":{"slope":-0.0013146162099099675,"intercept":8.67248554130951,"variance":0.5792648459863635,"difficulty":1008,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.65998549870649,"irt_users":278,"is_experimental":true},"arc020_3":{"difficulty":2141,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.89987738850398,"irt_users":278,"is_experimental":true,"slope":-0.0011819315132174598,"intercept":10.082376317381708,"variance":0.27518603061137525},"arc020_4":{"difficulty":3133,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.96040957028515,"irt_users":278,"is_experimental":true},"abc006_1":{"slope":-0.0009215621287158287,"intercept":7.051819839681202,"variance":1.7243255834368263,"difficulty":-542,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.939045003109108,"irt_users":268,"is_experimental":true},"abc006_2":{"slope":-0.0012818984199078494,"intercept":8.274308740343463,"variance":0.6860101455825452,"difficulty":813,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.47183102760724,"irt_users":268,"is_experimental":true},"abc006_3":{"slope":-0.0010744583249547217,"intercept":8.785462859958695,"variance":0.52333492778193,"difficulty":1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-135.02954279711028,"irt_users":268,"is_experimental":true},"abc006_4":{"slope":-0.0010959065498006798,"intercept":9.17959951382377,"variance":0.7266926071495086,"difficulty":1696,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.85186649603915,"irt_users":268,"is_experimental":true},"arc021_1":{"slope":-0.0012413843567994933,"intercept":8.233475438103095,"variance":0.541757355842928,"difficulty":195,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.48824488592721,"irt_users":244,"is_experimental":true},"arc021_2":{"slope":-0.0012043352427055104,"intercept":8.82149838558323,"variance":0.3401138130649887,"difficulty":1327,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.6883487162969,"irt_users":244,"is_experimental":true},"arc021_3":{"difficulty":2164,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.257732086967724,"irt_users":244,"is_experimental":true,"slope":-0.0006670495605992947,"intercept":9.159753002615844,"variance":0.324637093532035},"arc021_4":{"difficulty":3152,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.7036577351568747,"irt_users":244,"is_experimental":true},"abc007_1":{"slope":-0.001151826520057341,"intercept":6.765183752964106,"variance":1.9763450780395357,"difficulty":-837,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.531376892642363,"irt_users":244,"is_experimental":true},"abc007_2":{"slope":-0.0011210151198583103,"intercept":7.081744894018396,"variance":0.6286238717639738,"difficulty":195,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.14031011772841,"irt_users":244,"is_experimental":true},"abc007_3":{"slope":-0.0011428402135213044,"intercept":8.88583400546331,"variance":0.3554527863561391,"difficulty":1024,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.464180088439,"irt_users":244,"is_experimental":true},"abc007_4":{"slope":-0.0011940000613321906,"intercept":9.73385726523422,"variance":0.3469119994799393,"difficulty":1718,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.18219354969156,"irt_users":244,"is_experimental":true},"arc022_1":{"slope":-0.0011663402814579052,"intercept":8.066182787661713,"variance":0.7102792447708768,"difficulty":338,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.338778138635284,"irt_users":282,"is_experimental":true},"arc022_2":{"slope":-0.0015257778030905974,"intercept":9.542100031649781,"variance":0.3861050349383997,"difficulty":1395,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.86231636524215,"irt_users":282,"is_experimental":true},"arc022_3":{"slope":-0.001417489697997688,"intercept":9.57507819379593,"variance":0.43108056829195107,"difficulty":1694,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.82942529352366,"irt_users":282,"is_experimental":true},"abc008_1":{"slope":-0.001314916272556863,"intercept":7.156856279263346,"variance":1.662092964568639,"difficulty":-386,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.73964935331911,"irt_users":288,"is_experimental":true},"abc008_2":{"slope":-0.001236428657677817,"intercept":7.987373582388102,"variance":0.5822401518819683,"difficulty":601,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.1882106443853,"irt_users":288,"is_experimental":true},"abc008_3":{"slope":-0.0012899889500417898,"intercept":9.852766676984416,"variance":0.368931963472666,"difficulty":1836,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.79589364354747,"irt_users":288,"is_experimental":true},"abc008_4":{"difficulty":2203,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.436006017395744,"irt_users":288,"is_experimental":true,"slope":-0.0005439841294528249,"intercept":8.894214308230195,"variance":0.15972364802025565},"arc023_1":{"slope":-0.0010642476062700976,"intercept":7.985461619441999,"variance":0.4771692567763184,"difficulty":238,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.597465824771383,"irt_users":240,"is_experimental":true},"arc023_2":{"slope":-0.0017773111059614963,"intercept":9.447406561394649,"variance":0.4702187399993472,"difficulty":1111,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.01567012737915,"irt_users":240,"is_experimental":true},"arc023_3":{"slope":-0.001381311756198478,"intercept":9.957499929810645,"variance":0.30838803592791025,"difficulty":1833,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.30996937855643,"irt_users":240,"is_experimental":true},"arc023_4":{"difficulty":2511,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.711808233307984,"irt_users":240,"is_experimental":true},"abc009_1":{"slope":-0.001313837864489929,"intercept":7.295223034194419,"variance":1.634967310601719,"difficulty":-108,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.54862212827311,"irt_users":282,"is_experimental":true},"abc009_2":{"slope":-0.0009304434671089869,"intercept":7.333283066491933,"variance":0.5840003751615275,"difficulty":361,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.70290303991156,"irt_users":282,"is_experimental":true},"abc009_3":{"difficulty":1915,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.64776269256549,"irt_users":282,"is_experimental":true,"slope":-0.0010625694904510758,"intercept":9.662341102265481,"variance":0.24815805287476753},"abc009_4":{"difficulty":2213,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.591010693281703,"irt_users":282,"is_experimental":true,"slope":-0.00014138519501904787,"intercept":8.237960987063712,"variance":0.39315091263831564},"arc024_1":{"slope":-0.001518456444027661,"intercept":8.490195738246008,"variance":0.512128642093864,"difficulty":257,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.46250632286279,"irt_users":236,"is_experimental":true},"arc024_2":{"slope":-0.0012475794302405708,"intercept":9.190165143004752,"variance":0.34572774614049695,"difficulty":1293,"discrimination":0.004479398673070138,"irt_loglikelihood":-101.61440527878744,"irt_users":236,"is_experimental":true},"arc024_3":{"difficulty":1844,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.227399415744266,"irt_users":236,"is_experimental":true,"slope":-0.0013313707530345895,"intercept":9.814627752099458,"variance":0.32138238872210856},"arc024_4":{"difficulty":2496,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.098442185154465,"irt_users":236,"is_experimental":true,"slope":-0.0013161797780538158,"intercept":10.848850147949024,"variance":0.1295577348588601},"abc010_1":{"slope":-0.0012846334364747184,"intercept":6.860954078225485,"variance":1.887913816300539,"difficulty":-262,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.77859180631507,"irt_users":243,"is_experimental":true},"abc010_2":{"slope":-0.0009930583122088525,"intercept":7.721059580792733,"variance":0.2731247387112415,"difficulty":229,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.36734467801393,"irt_users":243,"is_experimental":true},"abc010_3":{"slope":-0.0007852232461409433,"intercept":7.871451255532579,"variance":0.2997514411767104,"difficulty":615,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.06464771841948,"irt_users":243,"is_experimental":true},"abc010_4":{"slope":-0.0009979708279734864,"intercept":9.25665459437864,"variance":0.5351866385864003,"difficulty":1777,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.9625081959203,"irt_users":243,"is_experimental":true},"arc025_1":{"slope":-0.0014391875197478743,"intercept":7.724011267962797,"variance":0.6368229420978129,"difficulty":-80,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.572841328062296,"irt_users":284,"is_experimental":true},"arc025_2":{"slope":-0.0013503312043635278,"intercept":9.534375875745978,"variance":0.3457284956385264,"difficulty":1369,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.06129918591904,"irt_users":284,"is_experimental":true},"arc025_3":{"difficulty":1954,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.13519379668378,"irt_users":284,"is_experimental":true,"slope":-0.0011676956219098314,"intercept":10.078262767272607,"variance":0.2545385502204052},"arc025_4":{"difficulty":2863,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.639268488672952,"irt_users":284,"is_experimental":true},"abc011_1":{"slope":-0.001146483652903913,"intercept":6.756698756804435,"variance":1.2390917888848982,"difficulty":-61,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.63796787525085,"irt_users":314,"is_experimental":true},"abc011_2":{"slope":-0.0012523063153112059,"intercept":7.311941924647307,"variance":0.5419104241765548,"difficulty":172,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.64503420622651,"irt_users":314,"is_experimental":true},"abc011_3":{"slope":-0.001093731941017199,"intercept":8.783160833097666,"variance":0.3478280153623139,"difficulty":810,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.30110866527997,"irt_users":314,"is_experimental":true},"abc011_4":{"slope":-0.000791977332745485,"intercept":9.36049992228113,"variance":0.2557932176119592,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.99895933512443,"irt_users":314,"is_experimental":true},"arc026_1":{"slope":-0.0013495480265444295,"intercept":7.605427391061466,"variance":0.7295341658199037,"difficulty":-419,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.725001528885361,"irt_users":292,"is_experimental":true},"arc026_2":{"slope":-0.0013367853171858694,"intercept":9.09525183787229,"variance":0.49340109257646453,"difficulty":1199,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.55743989175164,"irt_users":292,"is_experimental":true},"arc026_3":{"slope":-0.0007493290771606123,"intercept":8.737345143078297,"variance":0.4449188584403171,"difficulty":1930,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.826136400405,"irt_users":292,"is_experimental":true},"arc026_4":{"difficulty":2297,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.438099362517015,"irt_users":292,"is_experimental":true},"abc012_1":{"slope":-0.0014433201022537318,"intercept":7.217750967507192,"variance":1.8071093095174362,"difficulty":-48,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.71079706692241,"irt_users":300,"is_experimental":true},"abc012_2":{"slope":-0.0011763547611171722,"intercept":7.263985102706304,"variance":0.4859973598302085,"difficulty":245,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.8999444944754,"irt_users":300,"is_experimental":true},"abc012_3":{"slope":-0.0010757926367361813,"intercept":7.273689763501539,"variance":0.44219587981912584,"difficulty":284,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.40488083701922,"irt_users":300,"is_experimental":true},"abc012_4":{"slope":-0.0014250814160345555,"intercept":9.154972273076778,"variance":0.3966276249517376,"difficulty":1166,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.9508450659684,"irt_users":300,"is_experimental":true},"arc027_1":{"slope":-0.0012309697751297993,"intercept":7.265615394256724,"variance":0.9057086356506148,"difficulty":-171,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.118363792672547,"irt_users":290,"is_experimental":true},"arc027_2":{"slope":-0.0011329968598319815,"intercept":9.341024603561092,"variance":0.20650157591482607,"difficulty":1432,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.30849441278303,"irt_users":290,"is_experimental":true},"arc027_3":{"slope":-0.0009981133309569258,"intercept":9.10532679497902,"variance":0.25310537770356073,"difficulty":1692,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.24500345111954,"irt_users":290,"is_experimental":true},"arc027_4":{"difficulty":2474,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.67150007631363,"irt_users":290,"is_experimental":true},"abc013_1":{"slope":-0.001221193447943805,"intercept":7.23969543108236,"variance":1.6838963659385233,"difficulty":-191,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.638891350045988,"irt_users":259,"is_experimental":true},"abc013_2":{"slope":-0.001141554029763996,"intercept":7.399866425305573,"variance":0.5785349247997191,"difficulty":276,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.31707603141471,"irt_users":259,"is_experimental":true},"abc013_3":{"slope":-0.001198741774956348,"intercept":9.520340033368058,"variance":0.31103497882901465,"difficulty":1692,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.25821224328695,"irt_users":259,"is_experimental":true},"abc013_4":{"slope":-0.0011103824475783989,"intercept":9.605148828583413,"variance":0.2950816312455005,"difficulty":1730,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.40675891202176,"irt_users":259,"is_experimental":true},"arc028_1":{"slope":-0.0010830405008611737,"intercept":7.415817619855109,"variance":0.6374755632084553,"difficulty":203,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.62183827404745,"irt_users":229,"is_experimental":true},"arc028_2":{"slope":-0.0015547586983973986,"intercept":9.800971429402333,"variance":0.32533676224678504,"difficulty":1507,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.22937709108818,"irt_users":229,"is_experimental":true},"arc028_3":{"slope":-0.0008114969783974146,"intercept":8.532616725304386,"variance":0.48850686256351616,"difficulty":1748,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.17755923944,"irt_users":229,"is_experimental":true},"arc028_4":{"difficulty":2997,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.311669013828603,"irt_users":229,"is_experimental":true},"abc014_1":{"slope":-0.0007607845161610119,"intercept":7.320702594202062,"variance":1.0954336923218582,"difficulty":23,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.878205348911138,"irt_users":229,"is_experimental":true},"abc014_2":{"slope":-0.0013655073851009491,"intercept":8.018706346302743,"variance":0.47700319034059924,"difficulty":604,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.79345358691727,"irt_users":229,"is_experimental":true},"abc014_3":{"slope":-0.0011517028343340956,"intercept":8.396164637359721,"variance":0.8665161718019192,"difficulty":1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.98338176843941,"irt_users":229,"is_experimental":true},"abc014_4":{"difficulty":1856,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.863619186334475,"irt_users":229,"is_experimental":true,"slope":-0.001469461605974138,"intercept":10.349068254910009,"variance":0.5934968594935421},"arc029_1":{"slope":-0.001553884600437808,"intercept":8.918859865160222,"variance":0.5939431987632424,"difficulty":549,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.908957421111,"irt_users":268,"is_experimental":true},"arc029_2":{"difficulty":2032,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.88731118834738,"irt_users":268,"is_experimental":true,"slope":-0.0008391098116683391,"intercept":9.441566367946994,"variance":0.3604138785339906},"arc029_3":{"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.04533648552287,"irt_users":268,"is_experimental":true,"slope":-0.0011465718450885639,"intercept":9.731259465480983,"variance":0.3022943722889864},"arc029_4":{"difficulty":2438,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.03011402184432,"irt_users":268,"is_experimental":true,"slope":-0.0005450910011661955,"intercept":8.916312538073283,"variance":0.16794723616189375},"abc015_1":{"slope":-0.001299335556548932,"intercept":7.1660282997655536,"variance":1.5765749881993083,"difficulty":-177,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.659116796402373,"irt_users":290,"is_experimental":true},"abc015_2":{"slope":-0.001357799328167371,"intercept":7.797421087051567,"variance":0.6532481438198823,"difficulty":123,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.647542419772705,"irt_users":290,"is_experimental":true},"abc015_3":{"slope":-0.0013482467371388161,"intercept":8.78594981166823,"variance":0.5604128365145502,"difficulty":912,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.68647712237622,"irt_users":290,"is_experimental":true},"abc015_4":{"slope":-0.0010361107011206787,"intercept":9.03151183397014,"variance":0.5651516003838446,"difficulty":1388,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.75339545254624,"irt_users":290,"is_experimental":true},"arc030_1":{"slope":-0.0011892211728203217,"intercept":7.925612983440577,"variance":0.7506968359149155,"difficulty":556,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.65749867324095,"irt_users":295,"is_experimental":true},"arc030_2":{"slope":-0.0013506299483171404,"intercept":9.481278653765598,"variance":0.25369121247950804,"difficulty":1298,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.53249212339561,"irt_users":295,"is_experimental":true},"arc030_3":{"difficulty":2180,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.025898089915703,"irt_users":295,"is_experimental":true,"slope":-0.001273496324433658,"intercept":10.715965090084156,"variance":0.17492481294476145},"arc030_4":{"difficulty":3246,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.24701830818893,"irt_users":295,"is_experimental":true},"abc016_1":{"slope":-0.0011652086668416128,"intercept":6.923324189410521,"variance":1.5615510939827626,"difficulty":-138,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.37169679004373,"irt_users":358,"is_experimental":true},"abc016_2":{"slope":-0.0007753110413971239,"intercept":6.594946103643195,"variance":0.5269349591593926,"difficulty":-57,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.53840891047687,"irt_users":358,"is_experimental":true},"abc016_3":{"slope":-0.0016033343579875097,"intercept":9.149590145386487,"variance":0.399746678599282,"difficulty":830,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.73495663447417,"irt_users":358,"is_experimental":true},"abc016_4":{"slope":-0.0010711116151827446,"intercept":9.032937722245174,"variance":0.4381445173467062,"difficulty":1305,"discrimination":0.004479398673070138,"irt_loglikelihood":-160.17527182510685,"irt_users":358,"is_experimental":true},"arc031_1":{"slope":-0.001482614941541104,"intercept":7.7568911269274645,"variance":1.0694079133087218,"difficulty":-284,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.384357793694864,"irt_users":301,"is_experimental":true},"arc031_2":{"slope":-0.0010312388351636516,"intercept":8.590924593837842,"variance":0.3296612594254148,"difficulty":1106,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.87740096517587,"irt_users":301,"is_experimental":true},"arc031_3":{"slope":-0.0006662017962053262,"intercept":8.51498628813566,"variance":0.626166334165456,"difficulty":1880,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.18218820698914,"irt_users":301,"is_experimental":true},"arc031_4":{"difficulty":2825,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.146411232210863,"irt_users":301,"is_experimental":true,"slope":-0.001112848151520778,"intercept":11.032754384668388,"variance":0.05853951041453663},"arc032_1":{"slope":-0.0013035109106586964,"intercept":8.137494318006631,"variance":0.7108007882410575,"difficulty":77,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.845747211107714,"irt_users":272,"is_experimental":true},"arc032_2":{"slope":-0.0015928640831840376,"intercept":9.009495477369718,"variance":0.5760810623084851,"difficulty":1169,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.22792434448154,"irt_users":272,"is_experimental":true},"arc032_3":{"slope":-0.0007136350482935801,"intercept":9.319750363548053,"variance":0.22780350389228735,"difficulty":2014,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.597723341825606,"irt_users":272,"is_experimental":true},"arc032_4":{"difficulty":2861,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.410174355103802,"irt_users":272,"is_experimental":true,"slope":-0.0012710829314440944,"intercept":11.447586657764012,"variance":0.16483962894753967},"abc017_1":{"slope":-0.0011795759697615052,"intercept":7.470797280759206,"variance":1.2844124496140592,"difficulty":-20,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.80256944222742,"irt_users":289,"is_experimental":true},"abc017_2":{"slope":-0.0011628837291903307,"intercept":7.896395773413641,"variance":0.4973030388496028,"difficulty":547,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.11484125426963,"irt_users":289,"is_experimental":true},"abc017_3":{"slope":-0.0013444408980430363,"intercept":9.562012285061586,"variance":0.4561144213860519,"difficulty":1607,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.58013190122813,"irt_users":289,"is_experimental":true},"abc017_4":{"difficulty":1956,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.090385549038075,"irt_users":289,"is_experimental":true,"slope":-0.0008441499419848934,"intercept":9.56529588179715,"variance":0.29936815676516915},"arc033_1":{"slope":-0.0011920244572580997,"intercept":7.309906275812999,"variance":0.9941811935603161,"difficulty":-29,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.311468497850104,"irt_users":273,"is_experimental":true},"arc033_2":{"slope":-0.0011376678217982553,"intercept":8.125806193903657,"variance":0.4073038118009377,"difficulty":789,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.29748520177124,"irt_users":273,"is_experimental":true},"arc033_3":{"slope":-0.0014510355262367526,"intercept":9.509798741081521,"variance":0.5846696891262788,"difficulty":1641,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.87816317233104,"irt_users":273,"is_experimental":true},"arc033_4":{"difficulty":2470,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.255895838833577,"irt_users":273,"is_experimental":true,"slope":-0.0008838525613694493,"intercept":9.891538706268229,"variance":0.17240098879295956},"abc018_1":{"slope":-0.0010160969987907293,"intercept":7.909869892971201,"variance":0.7925627203477377,"difficulty":157,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.699495371101925,"irt_users":288,"is_experimental":true},"abc018_2":{"slope":-0.0013296070550391482,"intercept":8.159011790425893,"variance":0.4790896260171138,"difficulty":469,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.52981605057751,"irt_users":288,"is_experimental":true},"abc018_3":{"slope":-0.001185922887961104,"intercept":9.631002710409263,"variance":0.3038634136421624,"difficulty":1553,"discrimination":0.004479398673070138,"irt_loglikelihood":-98.04232619304756,"irt_users":288,"is_experimental":true},"abc018_4":{"slope":-0.0011726061544595518,"intercept":9.54333063812044,"variance":0.29011584682429137,"difficulty":1711,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.88165127512289,"irt_users":288,"is_experimental":true},"arc034_1":{"slope":-0.0011171311067560146,"intercept":7.7232514048729834,"variance":0.7081434725655762,"difficulty":129,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.434350289539175,"irt_users":305,"is_experimental":true},"arc034_2":{"slope":-0.001379510018804166,"intercept":8.95817896257626,"variance":0.40779050492692415,"difficulty":1132,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.17356776416054,"irt_users":305,"is_experimental":true},"arc034_3":{"slope":-0.00132465794013658,"intercept":9.334943852815387,"variance":0.25108865412705267,"difficulty":1584,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.61113501968494,"irt_users":305,"is_experimental":true},"arc034_4":{"difficulty":2570,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.58465114657005,"irt_users":305,"is_experimental":true},"abc019_1":{"slope":-0.0013332305474178768,"intercept":7.39230222481235,"variance":1.4089923968242148,"difficulty":-22,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.42457119583683,"irt_users":281,"is_experimental":true},"abc019_2":{"slope":-0.0011830536916685426,"intercept":7.8282534949123725,"variance":0.39991055818601307,"difficulty":534,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.12539763628888,"irt_users":281,"is_experimental":true},"abc019_3":{"slope":-0.0012511314439579903,"intercept":8.488207721176325,"variance":0.8150417589975065,"difficulty":1129,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.67955617660196,"irt_users":281,"is_experimental":true},"abc019_4":{"slope":-0.001023971875251859,"intercept":8.823664946014498,"variance":0.46974271519752997,"difficulty":1378,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.42767656992226,"irt_users":281,"is_experimental":true},"arc035_a":{"slope":-0.001400790699540128,"intercept":8.076866910608594,"variance":0.5952542790969205,"difficulty":101,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.21916428622915,"irt_users":298,"is_experimental":true},"arc035_b":{"slope":-0.0013525532887477482,"intercept":9.098983789107557,"variance":0.3232214319213833,"difficulty":949,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.3755893251629,"irt_users":298,"is_experimental":true},"arc035_c":{"slope":-0.001009790550632826,"intercept":9.290044774524526,"variance":0.2985032030433284,"difficulty":1655,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.59617920608282,"irt_users":298,"is_experimental":true},"arc035_d":{"difficulty":2173,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.11878246948442,"irt_users":298,"is_experimental":true,"slope":-0.001116962161981863,"intercept":10.235656156712322,"variance":0.1792256286445104},"abc020_a":{"slope":-0.0009556163850376017,"intercept":6.645694100410984,"variance":1.6449087929430828,"difficulty":-73,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.183275255222796,"irt_users":252,"is_experimental":true},"abc020_b":{"slope":-0.0010540129054073513,"intercept":6.736127876671902,"variance":0.7405284989972883,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.72232168680465,"irt_users":252,"is_experimental":true},"abc020_c":{"slope":-0.001139711723793093,"intercept":9.386764106199932,"variance":0.30626000920378127,"difficulty":1477,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.65959769096477,"irt_users":252,"is_experimental":true},"abc020_d":{"difficulty":2695,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.556438536803547,"irt_users":252,"is_experimental":true,"slope":-0.0014520684639958406,"intercept":11.344355806275852,"variance":0.29467970415312994},"arc036_a":{"slope":-0.0011963388793740726,"intercept":8.030625285950764,"variance":0.5347632072983081,"difficulty":253,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.976630257281684,"irt_users":281,"is_experimental":true},"arc036_b":{"slope":-0.001345081152520197,"intercept":9.208639524348106,"variance":0.38391110423997044,"difficulty":1112,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.8141040818608,"irt_users":281,"is_experimental":true},"arc036_c":{"difficulty":2139,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.22228334765452,"irt_users":281,"is_experimental":true,"slope":-0.0012352536073554025,"intercept":9.796124248765464,"variance":0.21257498417265802},"arc036_d":{"difficulty":2227,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.7714967281916,"irt_users":281,"is_experimental":true,"slope":-0.0004466996060649454,"intercept":8.309094473437911,"variance":0.7710133132014922},"abc021_a":{"slope":-0.0010302612043963948,"intercept":7.546272055106039,"variance":1.2478156401431721,"difficulty":-256,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.26114683518893,"irt_users":285,"is_experimental":true},"abc021_b":{"slope":-0.001021127999560528,"intercept":7.679958891172579,"variance":0.3511881344537069,"difficulty":391,"discrimination":0.004479398673070138,"irt_loglikelihood":-103.45429165724437,"irt_users":285,"is_experimental":true},"abc021_c":{"slope":-0.0014324308164305709,"intercept":9.5512704349382,"variance":0.3490909276575236,"difficulty":1324,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.84462936417418,"irt_users":285,"is_experimental":true},"abc021_d":{"slope":-0.0011283514414737888,"intercept":9.050448648114523,"variance":0.5189567541428762,"difficulty":1704,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.56147852715169,"irt_users":285,"is_experimental":true},"arc037_a":{"slope":-0.0009804956457152947,"intercept":7.004634980462564,"variance":0.8677276958060999,"difficulty":-133,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.898160199901705,"irt_users":247,"is_experimental":true},"arc037_b":{"slope":-0.0013343130262275403,"intercept":8.942924771121318,"variance":0.37630209141877785,"difficulty":1109,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.96031633728042,"irt_users":247,"is_experimental":true},"arc037_c":{"slope":-0.0016321775460314378,"intercept":10.213860126538952,"variance":0.2797527268925321,"difficulty":1824,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.74081432251685,"irt_users":247,"is_experimental":true},"arc037_d":{"difficulty":2258,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.85700330602087,"irt_users":247,"is_experimental":true,"slope":-0.0000044396355439456755,"intercept":7.43141103405854,"variance":0.15644288766802866},"abc022_a":{"slope":-0.0010944505398968343,"intercept":7.819938019079842,"variance":1.008949677702927,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.71961615746804,"irt_users":268,"is_experimental":true},"abc022_b":{"slope":-0.001491088717861729,"intercept":8.029429303330417,"variance":0.6686998378817266,"difficulty":621,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.40124258041865,"irt_users":268,"is_experimental":true},"abc022_c":{"slope":-0.0010925761099368915,"intercept":9.508749444825403,"variance":0.3936197600170708,"difficulty":1505,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.64187762172344,"irt_users":268,"is_experimental":true},"abc022_d":{"slope":-0.0008133714601667631,"intercept":9.060199890784643,"variance":0.6130737277651491,"difficulty":1857,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.22864346675544,"irt_users":268,"is_experimental":true},"arc038_a":{"slope":-0.0012260455338776578,"intercept":7.740412100231047,"variance":0.7580465308173329,"difficulty":-19,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.23814824542987,"irt_users":295,"is_experimental":true},"arc038_b":{"slope":-0.0015540467026724737,"intercept":9.718751802356985,"variance":0.3114854006113815,"difficulty":1378,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.31256387275782,"irt_users":295,"is_experimental":true},"arc038_c":{"difficulty":2531,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.23284524222058,"irt_users":295,"is_experimental":true,"slope":-0.0003823617288558454,"intercept":8.679506171674433,"variance":0.31223509295867813},"arc038_d":{"difficulty":3009,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.431869343934675,"irt_users":295,"is_experimental":true},"abc023_a":{"slope":-0.0010156579264067672,"intercept":7.016198493844873,"variance":1.7666535860785384,"difficulty":-410,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.445665498662885,"irt_users":307,"is_experimental":true},"abc023_b":{"slope":-0.001043642525853771,"intercept":8.178730307205306,"variance":0.3538605419937503,"difficulty":570,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.33848249970215,"irt_users":307,"is_experimental":true},"abc023_c":{"slope":-0.001108798164871049,"intercept":9.542393259510996,"variance":0.31090647468637345,"difficulty":1752,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.25310924474347,"irt_users":307,"is_experimental":true},"abc023_d":{"slope":-0.0010618541632106035,"intercept":9.25460610955612,"variance":0.3884003279043018,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.79428270982712,"irt_users":307,"is_experimental":true},"arc039_a":{"slope":-0.0012815535509765675,"intercept":8.879251757900155,"variance":0.4292351169510979,"difficulty":494,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.36956139918202,"irt_users":280,"is_experimental":true},"arc039_b":{"slope":-0.001148381757001223,"intercept":9.026928046964027,"variance":0.29848990045822626,"difficulty":1383,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.13753543983769,"irt_users":280,"is_experimental":true},"arc039_c":{"difficulty":2004,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.888500100110754,"irt_users":280,"is_experimental":true,"slope":-0.0007062849888346711,"intercept":9.176497082481138,"variance":0.20331385333542154},"arc039_d":{"difficulty":2550,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.006724590121717,"irt_users":280,"is_experimental":true,"slope":-0.0004889861485668465,"intercept":9.13685903506434,"variance":0.11641660260127397},"abc024_a":{"slope":-0.0011263842138886165,"intercept":7.4399451931830765,"variance":0.903293384295265,"difficulty":-5,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.05398307484734,"irt_users":329,"is_experimental":true},"abc024_b":{"slope":-0.0010804895342182831,"intercept":7.846142460014328,"variance":0.37771712455480877,"difficulty":365,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.50810631817419,"irt_users":329,"is_experimental":true},"abc024_c":{"slope":-0.0010276625277240497,"intercept":8.736734011674715,"variance":0.2927582382889926,"difficulty":1007,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.42974522760753,"irt_users":329,"is_experimental":true},"abc024_d":{"difficulty":2050,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.73225047418326,"irt_users":329,"is_experimental":true,"slope":-0.0003817733566352714,"intercept":8.706343704699712,"variance":0.4509322159477033},"arc040_a":{"slope":-0.0012375398462137813,"intercept":7.8956683823242315,"variance":0.6799650350072592,"difficulty":53,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.81209414746808,"irt_users":318,"is_experimental":true},"arc040_b":{"slope":-0.0010202509189029148,"intercept":8.720034631771396,"variance":0.39142561940686743,"difficulty":1113,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.42932807025585,"irt_users":318,"is_experimental":true},"arc040_c":{"slope":-0.0005562312865773923,"intercept":7.794175645118813,"variance":0.4968603741006557,"difficulty":1269,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.02009167273377,"irt_users":318,"is_experimental":true},"arc040_d":{"difficulty":3166,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.161371364870003,"irt_users":318,"is_experimental":true},"abc025_a":{"slope":-0.001182451657869857,"intercept":8.064845817449658,"variance":0.815773318444229,"difficulty":-15,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.8805994646588,"irt_users":300,"is_experimental":true},"abc025_b":{"slope":-0.0009294324200383307,"intercept":7.618773119845075,"variance":0.2959405020467933,"difficulty":358,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.71468951921715,"irt_users":300,"is_experimental":true},"abc025_c":{"slope":-0.0010502693527330163,"intercept":9.457070134366843,"variance":0.29420616681684525,"difficulty":1640,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.7572829885309,"irt_users":300,"is_experimental":true},"abc025_d":{"difficulty":3006,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.404025796629485,"irt_users":300,"is_experimental":true},"arc041_a":{"slope":-0.0010376510960526835,"intercept":7.5390054250733645,"variance":0.8019668457297148,"difficulty":34,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.75873368437433,"irt_users":267,"is_experimental":true},"arc041_b":{"slope":-0.0010826748992435818,"intercept":8.589617425042555,"variance":0.3190597541938884,"difficulty":1044,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.67256458489265,"irt_users":267,"is_experimental":true},"arc041_c":{"slope":-0.0007644150576444725,"intercept":9.1745510473491,"variance":0.16413767576845545,"difficulty":1808,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.77033259246818,"irt_users":267,"is_experimental":true},"arc041_d":{"difficulty":2958,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.644066363940254,"irt_users":267,"is_experimental":true},"abc026_a":{"slope":-0.0011180172227047624,"intercept":7.101146052910917,"variance":1.4188875763059428,"difficulty":-291,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.35017995412091,"irt_users":367,"is_experimental":true},"abc026_b":{"slope":-0.001202040083149552,"intercept":7.899547585372994,"variance":0.3267540537964494,"difficulty":199,"discrimination":0.004479398673070138,"irt_loglikelihood":-122.07097313417123,"irt_users":367,"is_experimental":true},"abc026_c":{"slope":-0.0012720986046076284,"intercept":8.759421252168409,"variance":0.3163142841879407,"difficulty":820,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.13727094248898,"irt_users":367,"is_experimental":true},"abc026_d":{"slope":-0.0008267833332971929,"intercept":9.01982226179308,"variance":0.49442180993288726,"difficulty":1406,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.1179505685022,"irt_users":367,"is_experimental":true},"arc042_a":{"slope":-0.0014761793494754325,"intercept":8.88182119678868,"variance":0.4780682758039352,"difficulty":861,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.67678626865867,"irt_users":253,"is_experimental":true},"arc042_b":{"slope":-0.001010812599501062,"intercept":8.41974509218983,"variance":0.29372032041045676,"difficulty":1124,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.57262016891184,"irt_users":253,"is_experimental":true},"arc042_c":{"slope":-0.0011247049223451911,"intercept":9.336981187326877,"variance":0.3195766562731447,"difficulty":1746,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.67221701661192,"irt_users":253,"is_experimental":true},"arc042_d":{"difficulty":2247,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.64852251283658,"irt_users":253,"is_experimental":true,"slope":-0.000015239539321092591,"intercept":7.693988026718335,"variance":0.12014405896321631},"abc027_a":{"slope":-0.0010763142842630622,"intercept":7.397974367879526,"variance":1.3218500417436865,"difficulty":96,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.26239154310798,"irt_users":261,"is_experimental":true},"abc027_b":{"slope":-0.0009870343180537443,"intercept":8.14437105699458,"variance":0.5235879843434339,"difficulty":855,"discrimination":0.004479398673070138,"irt_loglikelihood":-137.13853777587016,"irt_users":261,"is_experimental":true},"abc027_c":{"slope":-0.000870902549895743,"intercept":9.109837089423959,"variance":0.35477710594314793,"difficulty":1539,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.07223990299026,"irt_users":261,"is_experimental":true},"abc027_d":{"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.5024331810043,"irt_users":261,"is_experimental":true,"slope":-0.0016256833516723017,"intercept":10.951175783189147,"variance":0.46494623033948956},"arc043_a":{"slope":-0.000990412257629844,"intercept":8.517260619482906,"variance":0.4804782018207979,"difficulty":850,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.16731151860205,"irt_users":229,"is_experimental":true},"arc043_b":{"slope":-0.0011316013410877966,"intercept":9.297790034313996,"variance":0.3684020514010462,"difficulty":1606,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.00388268096818,"irt_users":229,"is_experimental":true},"arc043_c":{"difficulty":2409,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.068386887275263,"irt_users":229,"is_experimental":true,"slope":-0.0004107648488726297,"intercept":8.82531862997615,"variance":0.17332050732873383},"arc043_d":{"difficulty":3245,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.517658398800535,"irt_users":229,"is_experimental":true},"abc028_a":{"slope":-0.000983169101560485,"intercept":7.144197107723377,"variance":1.4376901450612682,"difficulty":-139,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.927639764628516,"irt_users":338,"is_experimental":true},"abc028_b":{"slope":-0.0010440657251224144,"intercept":7.112536992062608,"variance":0.5473183915136867,"difficulty":181,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.89660319821382,"irt_users":338,"is_experimental":true},"abc028_c":{"slope":-0.0012650821801515235,"intercept":7.942184046450704,"variance":0.516491383896559,"difficulty":466,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.66171002881673,"irt_users":338,"is_experimental":true},"abc028_d":{"slope":-0.0010419420366253903,"intercept":8.627889553172702,"variance":0.41822075110897866,"difficulty":920,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.03109840953977,"irt_users":338,"is_experimental":true},"arc044_a":{"slope":-0.0011453671851742197,"intercept":8.642566005373952,"variance":0.6317831306365527,"difficulty":560,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.60457487167186,"irt_users":260,"is_experimental":true},"arc044_b":{"slope":-0.0015126863023905842,"intercept":10.45886760101141,"variance":0.17857735878262615,"difficulty":1744,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.72337364933051,"irt_users":260,"is_experimental":true},"arc044_c":{"difficulty":2309,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.799551015029063,"irt_users":260,"is_experimental":true,"slope":-0.0010889154993396558,"intercept":10.026559586657553,"variance":0.12917036478840732},"arc044_d":{"difficulty":2335,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.006368563348914,"irt_users":260,"is_experimental":true,"slope":-0.0007323350290331435,"intercept":9.120614842083617,"variance":0.21417260505137947},"abc029_a":{"slope":-0.0010185483023098798,"intercept":6.541300585414766,"variance":1.9115888972190642,"difficulty":-473,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.305590843261754,"irt_users":376,"is_experimental":true},"abc029_b":{"slope":-0.0011491921222901613,"intercept":6.7476036015097405,"variance":0.47565103416146437,"difficulty":-75,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.42207690042753,"irt_users":376,"is_experimental":true},"abc029_c":{"slope":-0.001276076575849398,"intercept":7.971682161313788,"variance":0.5817286080188818,"difficulty":584,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.0323270896405,"irt_users":376,"is_experimental":true},"abc029_d":{"slope":-0.0011639045230713429,"intercept":9.637241167233057,"variance":0.39621096771379943,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.41527359457288,"irt_users":376,"is_experimental":true},"arc045_a":{"slope":-0.001233616087788764,"intercept":7.890876215832048,"variance":0.7497600275952064,"difficulty":221,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.51912810195004,"irt_users":332,"is_experimental":true},"arc045_b":{"slope":-0.0014742048589764252,"intercept":9.849150238635684,"variance":0.3524243942481111,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.6905691966831,"irt_users":332,"is_experimental":true},"arc045_c":{"difficulty":2022,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.24254000489213,"irt_users":332,"is_experimental":true,"slope":-0.001116259587575061,"intercept":9.774552861974348,"variance":0.2562175914832362},"arc045_d":{"difficulty":3039,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.728966843457706,"irt_users":332,"is_experimental":true},"abc030_a":{"slope":-0.0007856557499826379,"intercept":7.215168302215323,"variance":1.0219238535121342,"difficulty":-39,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.34795544463883,"irt_users":350,"is_experimental":true},"abc030_b":{"slope":-0.001106487959806602,"intercept":8.29315012568483,"variance":0.46319723155131914,"difficulty":698,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.1190085093951,"irt_users":350,"is_experimental":true},"abc030_c":{"slope":-0.0009661674316030754,"intercept":8.400757268809016,"variance":0.37845160032088776,"difficulty":1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.95780851056603,"irt_users":350,"is_experimental":true},"abc030_d":{"slope":-0.0005761179974451146,"intercept":8.679103248690435,"variance":0.3765456402878431,"difficulty":1586,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.6650808463361,"irt_users":350,"is_experimental":true},"abc031_a":{"slope":-0.0010380660096239384,"intercept":7.172624172221786,"variance":1.4041904536023504,"difficulty":-209,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.347086898322935,"irt_users":342,"is_experimental":true},"abc031_b":{"slope":-0.0009536504248311014,"intercept":6.999204172996999,"variance":0.3236794550496927,"difficulty":192,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.00480730070443,"irt_users":342,"is_experimental":true},"abc031_c":{"slope":-0.0014066284290827314,"intercept":9.390889626075401,"variance":0.37237405205484614,"difficulty":1106,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.80056691546355,"irt_users":342,"is_experimental":true},"abc031_d":{"slope":-0.0008135534686880936,"intercept":9.220144829523315,"variance":0.2707683458689421,"difficulty":1688,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.56455666432792,"irt_users":342,"is_experimental":true},"arc046_a":{"slope":-0.0012626904403251157,"intercept":8.18477172319579,"variance":0.6635421327105997,"difficulty":165,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.437126717250045,"irt_users":288,"is_experimental":true},"arc046_b":{"slope":-0.0009367708237467693,"intercept":8.825476460367055,"variance":0.46289026045398995,"difficulty":1260,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.0673752110717,"irt_users":288,"is_experimental":true},"arc046_c":{"difficulty":2203,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.10505302572947,"irt_users":288,"is_experimental":true,"slope":-0.0007103486990773084,"intercept":8.875282872916578,"variance":0.23640363919860777},"arc046_d":{"difficulty":2852,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.52125158285186,"irt_users":288,"is_experimental":true},"abc032_a":{"slope":-0.001259218110564152,"intercept":7.888432337550129,"variance":1.1453260226329065,"difficulty":171,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.66150358953523,"irt_users":296,"is_experimental":true},"abc032_b":{"slope":-0.0013513104527591718,"intercept":8.230391540173612,"variance":0.5028521332476328,"difficulty":672,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.53705387748607,"irt_users":296,"is_experimental":true},"abc032_c":{"slope":-0.0013803302994934896,"intercept":9.548074217446784,"variance":0.5486429506815717,"difficulty":1244,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.08119042604866,"irt_users":296,"is_experimental":true},"abc032_d":{"slope":-0.0007974176575172744,"intercept":9.468685285438063,"variance":0.2112875627579639,"difficulty":1731,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.24451542373646,"irt_users":296,"is_experimental":true},"arc047_a":{"slope":-0.001259857060599869,"intercept":7.858965533139795,"variance":0.7703098292534515,"difficulty":-218,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.41735076255354,"irt_users":265,"is_experimental":true},"arc047_b":{"difficulty":2455,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.52786227496089,"irt_users":265,"is_experimental":true,"slope":-0.0003602234270991817,"intercept":8.602470288496802,"variance":0.3111352034014578},"arc047_c":{"difficulty":2262,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.812122166622224,"irt_users":265,"is_experimental":true,"slope":-0.0007240844133417826,"intercept":9.489923136612632,"variance":0.19167692138006565},"abc033_a":{"slope":-0.0013251562538164645,"intercept":7.641451443998138,"variance":1.288960299761483,"difficulty":-326,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.58998746974074,"irt_users":348,"is_experimental":true},"abc033_b":{"slope":-0.0009787622745779207,"intercept":7.429015599637217,"variance":0.45452249712579285,"difficulty":279,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.33147870316185,"irt_users":348,"is_experimental":true},"abc033_c":{"slope":-0.0010629011871897218,"intercept":7.983234624493679,"variance":0.5611693273150716,"difficulty":755,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.69647598147337,"irt_users":348,"is_experimental":true},"abc033_d":{"difficulty":2248,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.58865382265452,"irt_users":348,"is_experimental":true,"slope":-0.0011115531856999647,"intercept":10.403555614746912,"variance":0.3080127057683717},"arc048_a":{"slope":-0.0013373610992267722,"intercept":7.7618151057856,"variance":0.8303594137211754,"difficulty":-162,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.185627336784876,"irt_users":335,"is_experimental":true},"arc048_b":{"slope":-0.0015160395908629715,"intercept":9.73960791148641,"variance":0.3002678465342762,"difficulty":1290,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.5234064786491,"irt_users":335,"is_experimental":true},"arc048_c":{"difficulty":2390,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.5279230444865,"irt_users":335,"is_experimental":true},"arc048_d":{"difficulty":3062,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.45570804981691,"irt_users":335,"is_experimental":true},"abc034_a":{"slope":-0.0011322802599951721,"intercept":6.932027889241789,"variance":1.5739387861430671,"difficulty":-227,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.8973321975382,"irt_users":339,"is_experimental":true},"abc034_b":{"slope":-0.0007039747496177227,"intercept":5.860410317769168,"variance":0.5400355838089558,"difficulty":-65,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.746371383041776,"irt_users":339,"is_experimental":true},"abc034_c":{"slope":-0.001812387865462859,"intercept":9.511501140120483,"variance":0.737795749869244,"difficulty":1440,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.82012144008061,"irt_users":339,"is_experimental":true},"abc034_d":{"slope":-0.0011078776733340827,"intercept":9.397050116433192,"variance":0.5274606029893324,"difficulty":1549,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.69902190547609,"irt_users":339,"is_experimental":true},"arc049_a":{"slope":-0.0010694773319703797,"intercept":7.845127208669418,"variance":0.6460440523150289,"difficulty":226,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.40090308529862,"irt_users":365,"is_experimental":true},"arc049_b":{"slope":-0.0010949885372029786,"intercept":9.285623227107513,"variance":0.29403406431728046,"difficulty":1511,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.4447644536402,"irt_users":365,"is_experimental":true},"arc049_c":{"difficulty":2308,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.41847900611295,"irt_users":365,"is_experimental":true,"slope":-0.0003697494601738856,"intercept":8.443471116201572,"variance":0.2070366407018315},"arc049_d":{"difficulty":2988,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.797728762811122,"irt_users":365,"is_experimental":true},"abc035_a":{"slope":-0.0009545995576110875,"intercept":7.2331445197718525,"variance":1.3101776421293148,"difficulty":59,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.09494193341044,"irt_users":380,"is_experimental":true},"abc035_b":{"slope":-0.0009469156430179869,"intercept":8.219183351111784,"variance":0.35037738021421655,"difficulty":804,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.23846842448893,"irt_users":380,"is_experimental":true},"abc035_c":{"slope":-0.001269443994423768,"intercept":8.475107734340835,"variance":0.6099355846757595,"difficulty":1096,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.0796913952602,"irt_users":380,"is_experimental":true},"abc035_d":{"slope":-0.001140128486246568,"intercept":9.538759432998049,"variance":0.3211585426929256,"difficulty":1591,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.24905743189842,"irt_users":380,"is_experimental":true},"arc050_a":{"slope":-0.001264085913434852,"intercept":7.504626825323977,"variance":1.0949762548263589,"difficulty":58,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.98624535739987,"irt_users":391,"is_experimental":true},"arc050_b":{"slope":-0.0012804511733472638,"intercept":10.073012994337013,"variance":0.5027519135036115,"difficulty":1838,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.469470849616,"irt_users":391,"is_experimental":true},"arc050_c":{"difficulty":2372,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.108793968106085,"irt_users":391,"is_experimental":true,"slope":-0.0010354749182921342,"intercept":9.733431268135133,"variance":0.28246641011142226},"arc050_d":{"difficulty":2487,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.364308396291616,"irt_users":391,"is_experimental":true,"slope":-0.000507753914423396,"intercept":9.057757059345356,"variance":0.20711260289065883},"abc036_a":{"slope":-0.001272975262915469,"intercept":7.393456212064863,"variance":1.2567771727780803,"difficulty":-374,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.27564584350973,"irt_users":429,"is_experimental":true},"abc036_b":{"slope":-0.0012832569004997626,"intercept":7.849782460399783,"variance":0.5159374058114669,"difficulty":324,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.49301764008636,"irt_users":429,"is_experimental":true},"abc036_c":{"slope":-0.0016877137972737828,"intercept":9.038918438042781,"variance":0.5301538995127347,"difficulty":956,"discrimination":0.004479398673070138,"irt_loglikelihood":-184.7286426503619,"irt_users":429,"is_experimental":true},"abc036_d":{"slope":-0.001811487649190312,"intercept":10.523489623322867,"variance":0.2943237998827859,"difficulty":1602,"discrimination":0.004479398673070138,"irt_loglikelihood":-106.15177516459715,"irt_users":429,"is_experimental":true},"arc051_a":{"slope":-0.0010021730494176972,"intercept":8.621005948561347,"variance":0.36018223859915266,"difficulty":773,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.72104944039553,"irt_users":304,"is_experimental":true},"arc051_b":{"slope":-0.0009704574465350263,"intercept":8.346331429215876,"variance":0.4631711257273539,"difficulty":1032,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.43243037650788,"irt_users":304,"is_experimental":true},"arc051_c":{"slope":-0.0009735488626757744,"intercept":9.55225653492247,"variance":0.25357565891177153,"difficulty":1898,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.22940077370848,"irt_users":304,"is_experimental":true},"arc051_d":{"difficulty":2779,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.892868778672382,"irt_users":304,"is_experimental":true,"slope":-0.00031591904112170186,"intercept":8.884050597050592,"variance":0.04076885889767613},"arc052_a":{"slope":-0.0012061256996002301,"intercept":7.666349506511895,"variance":0.8220690823734277,"difficulty":143,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.78161095006788,"irt_users":339,"is_experimental":true},"arc052_b":{"slope":-0.0009309950381694657,"intercept":9.034921814832524,"variance":0.2453670191224247,"difficulty":1278,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.32085785596786,"irt_users":339,"is_experimental":true},"arc052_c":{"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.11574657873285,"irt_users":339,"is_experimental":true,"slope":-0.0003093759082869476,"intercept":8.326841359007386,"variance":0.16789876013504515},"arc052_d":{"difficulty":2436,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.23606625933986,"irt_users":339,"is_experimental":true,"slope":-0.0003091606273336273,"intercept":8.262286794671898,"variance":0.2101551543545033},"abc037_a":{"slope":-0.0010256073924256876,"intercept":7.179229265196595,"variance":1.5426650560062,"difficulty":-225,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.63511508248418,"irt_users":506,"is_experimental":true},"abc037_b":{"slope":-0.0010825162631692617,"intercept":7.34563574887345,"variance":0.4740633507120864,"difficulty":192,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.61435342477887,"irt_users":506,"is_experimental":true},"abc037_c":{"slope":-0.0009193756046076165,"intercept":8.011210712969671,"variance":0.858770184837274,"difficulty":915,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.32265071421824,"irt_users":506,"is_experimental":true},"abc037_d":{"slope":-0.0013307747278387713,"intercept":9.460790112836973,"variance":0.4272683226904676,"difficulty":1377,"discrimination":0.004479398673070138,"irt_loglikelihood":-200.2156777344958,"irt_users":506,"is_experimental":true},"arc053_a":{"slope":-0.00140445426717595,"intercept":7.602683776493672,"variance":0.8621341849249607,"difficulty":-200,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.07403839295315,"irt_users":440,"is_experimental":true},"arc053_b":{"slope":-0.0012063229269474796,"intercept":8.769077506505775,"variance":0.3417265695048401,"difficulty":984,"discrimination":0.004479398673070138,"irt_loglikelihood":-214.32209417287277,"irt_users":440,"is_experimental":true},"arc053_c":{"slope":-0.0008285141002634086,"intercept":9.31638876294717,"variance":0.35600177862654486,"difficulty":1901,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.6155696376745,"irt_users":440,"is_experimental":true},"arc053_d":{"difficulty":3043,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.472191871105212,"irt_users":440,"is_experimental":true},"arc054_a":{"slope":-0.0012169408365643201,"intercept":8.873615245072521,"variance":0.3761817498891267,"difficulty":771,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.15908900522516,"irt_users":411,"is_experimental":true},"arc054_b":{"slope":-0.001035465926329546,"intercept":8.869874786006001,"variance":0.3780740587383621,"difficulty":1269,"discrimination":0.004479398673070138,"irt_loglikelihood":-164.48406386443585,"irt_users":411,"is_experimental":true},"arc054_c":{"difficulty":2292,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.79553011003386,"irt_users":411,"is_experimental":true,"slope":-0.0006701861229078825,"intercept":8.831953726171836,"variance":0.3925957188226663},"arc054_d":{"difficulty":3095,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.92190901309001,"irt_users":411,"is_experimental":true},"abc038_a":{"slope":-0.0012686659222258354,"intercept":7.259701477215006,"variance":1.5340521304451402,"difficulty":-145,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.61466788235197,"irt_users":531,"is_experimental":true},"abc038_b":{"slope":-0.0008233787386645767,"intercept":6.712616577138191,"variance":0.48057782648607833,"difficulty":-31,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.94383728302662,"irt_users":531,"is_experimental":true},"abc038_c":{"slope":-0.0013983667905713105,"intercept":8.996384061138404,"variance":0.549848372257545,"difficulty":894,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.44560928740736,"irt_users":531,"is_experimental":true},"abc038_d":{"slope":-0.001225628094239746,"intercept":9.878695313322366,"variance":0.7641071944223713,"difficulty":1804,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.92820963728958,"irt_users":531,"is_experimental":true},"arc055_a":{"slope":-0.0012132101690415802,"intercept":7.277503023754304,"variance":1.1995922538208041,"difficulty":-65,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.68729452211926,"irt_users":381,"is_experimental":true},"arc055_b":{"difficulty":2675,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.282191538889844,"irt_users":381,"is_experimental":true,"slope":-0.0008299012921004536,"intercept":9.556965405815632,"variance":0.24382844706531762},"arc055_c":{"difficulty":2392,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.574733084186704,"irt_users":381,"is_experimental":true,"slope":-0.0010352405086659663,"intercept":10.207597392066125,"variance":0.1621364277711358},"arc055_d":{"is_experimental":true},"abc039_a":{"slope":-0.001023372671721428,"intercept":6.887492802275469,"variance":1.4691403958119789,"difficulty":-358,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.855592172302124,"irt_users":529,"is_experimental":true},"abc039_b":{"slope":-0.000861755667999587,"intercept":6.360094677966147,"variance":0.6040617287247858,"difficulty":-54,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.88170638719514,"irt_users":529,"is_experimental":true},"abc039_c":{"slope":-0.0009730490666797064,"intercept":8.366033642089036,"variance":0.40884181908207134,"difficulty":524,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.08957608437316,"irt_users":529,"is_experimental":true},"abc039_d":{"slope":-0.0010303237239036175,"intercept":8.941953095453863,"variance":0.26191799850447334,"difficulty":1039,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.29778438725808,"irt_users":529,"is_experimental":true},"abc040_a":{"slope":-0.001314086635752362,"intercept":7.471988833007215,"variance":1.1176801038875044,"difficulty":-186,"discrimination":0.004479398673070138,"irt_loglikelihood":-85.05948511055924,"irt_users":540,"is_experimental":true},"abc040_b":{"slope":-0.0014873625477211073,"intercept":8.392833768323195,"variance":0.5189571237707422,"difficulty":640,"discrimination":0.004479398673070138,"irt_loglikelihood":-223.70777873726732,"irt_users":540,"is_experimental":true},"abc040_c":{"slope":-0.001484754424840555,"intercept":8.592356682203771,"variance":0.4487519173592409,"difficulty":896,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.33626836440848,"irt_users":540,"is_experimental":true},"abc040_d":{"slope":-0.0014694941285030593,"intercept":10.117217120661563,"variance":0.4293436642689397,"difficulty":1656,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.33300478120971,"irt_users":540,"is_experimental":true},"arc056_a":{"slope":-0.0012271118539993596,"intercept":8.379507131345711,"variance":0.6320247166471453,"difficulty":580,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.19821851793165,"irt_users":469,"is_experimental":true},"arc056_b":{"slope":-0.0009932099923357545,"intercept":9.157199725580133,"variance":0.4239650974041359,"difficulty":1726,"discrimination":0.004479398673070138,"irt_loglikelihood":-127.28435542696835,"irt_users":469,"is_experimental":true},"arc056_c":{"difficulty":2179,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.690019490635876,"irt_users":469,"is_experimental":true,"slope":-0.0011237375036108825,"intercept":9.858910109055238,"variance":0.3177393395984299},"arc056_d":{"difficulty":2870,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.041914752702688,"irt_users":469,"is_experimental":true,"slope":-0.00018986910358380948,"intercept":8.283578542271165,"variance":0.19348408582735055},"abc041_a":{"slope":-0.0010865984024996023,"intercept":6.691432032779537,"variance":1.667613593367386,"difficulty":-238,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.81096417737939,"irt_users":517,"is_experimental":true},"abc041_b":{"slope":-0.0016148301252656623,"intercept":7.452443340162835,"variance":0.6270755053557904,"difficulty":385,"discrimination":0.004479398673070138,"irt_loglikelihood":-155.14276222965455,"irt_users":517,"is_experimental":true},"abc041_c":{"slope":-0.0015038050656186262,"intercept":7.995468235378232,"variance":0.6060193109651262,"difficulty":629,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.58752166106098,"irt_users":517,"is_experimental":true},"abc041_d":{"slope":-0.0014648310175670474,"intercept":9.742385600590769,"variance":0.5085292285200709,"difficulty":1670,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.61853986691187,"irt_users":517,"is_experimental":true},"arc057_a":{"slope":-0.0010709139560101351,"intercept":8.343551414675268,"variance":0.6038588205515804,"difficulty":527,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.29358467420278,"irt_users":407,"is_experimental":true},"arc057_b":{"difficulty":2220,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.81897122266795,"irt_users":407,"is_experimental":true,"slope":-0.0005675601024309376,"intercept":9.238312550447693,"variance":0.21734852797468712},"arc057_c":{"difficulty":2547,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.280331899869633,"irt_users":407,"is_experimental":true,"slope":-0.000329871324611151,"intercept":8.723067690534512,"variance":0.2861683106951775},"arc057_d":{"difficulty":3019,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.5065912491252,"irt_users":407,"is_experimental":true},"abc144_a":{"slope":-0.000840730841125629,"intercept":5.980990790040191,"variance":0.8086774923733636,"difficulty":-913,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.00595439675834,"irt_users":4791,"is_experimental":false},"abc144_b":{"slope":-0.001070186951484291,"intercept":6.431386682889157,"variance":0.5136448239509598,"difficulty":-597,"discrimination":0.004479398673070138,"irt_loglikelihood":-523.9169093987013,"irt_users":4791,"is_experimental":false},"abc144_c":{"slope":-0.00123009253986568,"intercept":7.558420506281772,"variance":0.5643138055276248,"difficulty":311,"discrimination":0.004479398673070138,"irt_loglikelihood":-2118.160803787692,"irt_users":4903,"is_experimental":false},"abc144_d":{"slope":-0.0005534539571159175,"intercept":8.120407629264246,"variance":0.2790932530271966,"difficulty":714,"discrimination":0.004479398673070138,"irt_loglikelihood":-2821.5060715929035,"irt_users":4903,"is_experimental":false},"abc144_e":{"slope":-0.0007930362183050499,"intercept":8.67501980502245,"variance":0.3379336675708334,"difficulty":1449,"discrimination":0.004479398673070138,"irt_loglikelihood":-965.7713914859426,"irt_users":4903,"is_experimental":false},"abc144_f":{"slope":-0.0004030513674697798,"intercept":8.430652209782437,"variance":0.22702085126757549,"difficulty":2189,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.59127742846255,"irt_users":4903,"is_experimental":false},"agc040_a":{"slope":-0.0009876898202370488,"intercept":8.865640587116923,"variance":0.35955289698430093,"difficulty":443,"discrimination":0.004479398673070138,"irt_loglikelihood":-517.3579388957215,"irt_users":1713,"is_experimental":false},"agc040_b":{"slope":-0.0006110268503772822,"intercept":9.410425957715406,"variance":0.2842314875949441,"difficulty":1722,"discrimination":0.004479398673070138,"irt_loglikelihood":-582.8737937984074,"irt_users":1713,"is_experimental":false},"agc040_c":{"slope":-0.0004109677075877146,"intercept":9.082996553562007,"variance":0.3567699716409481,"difficulty":2740,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.73658886381173,"irt_users":1713,"is_experimental":false},"agc040_d":{"difficulty":3452,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.81134388493871,"irt_users":1713,"is_experimental":false,"slope":-0.00038896753452724223,"intercept":9.518725570412423,"variance":0.1365131959784309},"agc040_e":{"difficulty":3690,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.79900785061356,"irt_users":1713,"is_experimental":false,"slope":-0.000197875698681324,"intercept":9.233419493192267,"variance":0.12056735522306554},"agc040_f":{"is_experimental":false},"nikkei2019_2_qual_a":{"slope":-0.0008785580655216669,"intercept":6.452378960655464,"variance":0.8745447720828193,"difficulty":-669,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.67193779210064,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_b":{"slope":-0.0012477308319624786,"intercept":9.110475767574622,"variance":0.4093817669357862,"difficulty":841,"discrimination":0.004479398673070138,"irt_loglikelihood":-1345.4051645181642,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_c":{"slope":-0.0007352063201480418,"intercept":9.194722682602546,"variance":0.26700120191316634,"difficulty":2136,"discrimination":0.004479398673070138,"irt_loglikelihood":-510.2481181197596,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_d":{"slope":-0.0007681958478561743,"intercept":9.20881987941958,"variance":0.3326029026911543,"difficulty":1647,"discrimination":0.004479398673070138,"irt_loglikelihood":-742.1807818079657,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_e":{"slope":-0.0005393528109091023,"intercept":9.022856658194726,"variance":0.23515005713776513,"difficulty":2257,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.8807974378912,"irt_users":3233,"is_experimental":false},"nikkei2019_2_qual_f":{"difficulty":3805,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.826415009640091,"irt_users":3233,"is_experimental":false},"abc145_a":{"slope":-0.0009571082443333422,"intercept":5.565234254193636,"variance":1.1121653138376082,"difficulty":-1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.39860083408288,"irt_users":4560,"is_experimental":false},"abc145_b":{"slope":-0.0010373783560991476,"intercept":6.60509396076202,"variance":0.419546991948872,"difficulty":-436,"discrimination":0.004479398673070138,"irt_loglikelihood":-656.0404318881554,"irt_users":4560,"is_experimental":false},"abc145_c":{"slope":-0.001090767533747389,"intercept":8.076393238085737,"variance":0.34788661504218443,"difficulty":335,"discrimination":0.004479398673070138,"irt_loglikelihood":-1974.7436335710258,"irt_users":4670,"is_experimental":false},"abc145_d":{"slope":-0.001198804041907372,"intercept":8.813115981335516,"variance":0.4158914993437456,"difficulty":1009,"discrimination":0.004479398673070138,"irt_loglikelihood":-1578.3945819573048,"irt_users":4670,"is_experimental":false},"abc145_e":{"slope":-0.0008109865844507564,"intercept":8.857366671954843,"variance":0.35175707331208905,"difficulty":1528,"discrimination":0.004479398673070138,"irt_loglikelihood":-870.7572476865861,"irt_users":4670,"is_experimental":false},"abc145_f":{"slope":-0.0006702338017429179,"intercept":8.944572666039024,"variance":0.2513615276219899,"difficulty":2116,"discrimination":0.004479398673070138,"irt_loglikelihood":-281.03125298021575,"irt_users":4670,"is_experimental":false},"ddcc2020_qual_a":{"slope":-0.000720778040633068,"intercept":6.4858901933737885,"variance":0.6095848176990776,"difficulty":-682,"discrimination":0.004479398673070138,"irt_loglikelihood":-224.62980562227386,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_b":{"slope":-0.0011302088731151762,"intercept":7.984224541047914,"variance":0.45786507471911764,"difficulty":350,"discrimination":0.004479398673070138,"irt_loglikelihood":-910.1598974548187,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_c":{"slope":-0.0008351431454269093,"intercept":8.633836009380968,"variance":0.22460590086794627,"difficulty":935,"discrimination":0.004479398673070138,"irt_loglikelihood":-1076.652532808056,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_d":{"slope":-0.000765357544288793,"intercept":8.84073806289884,"variance":0.36264228214787386,"difficulty":1617,"discrimination":0.004479398673070138,"irt_loglikelihood":-878.8029992898672,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_e":{"slope":-0.00023647788661881894,"intercept":8.392668158743492,"variance":0.195547598805279,"difficulty":2436,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.86998826428646,"irt_users":2873,"is_experimental":false},"ddcc2020_qual_f":{"difficulty":2992,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.72974473995605,"irt_users":2873,"is_experimental":false,"slope":-0.0004768139833706108,"intercept":9.023636889253616,"variance":0.22381412618874466},"abc146_a":{"slope":-0.0007133729051181354,"intercept":6.319460185019818,"variance":0.6547031844500554,"difficulty":-805,"discrimination":0.004479398673070138,"irt_loglikelihood":-356.60392615261316,"irt_users":4472,"is_experimental":false},"abc146_b":{"slope":-0.001164653392520988,"intercept":7.081871815716258,"variance":0.44931770592903203,"difficulty":-265,"discrimination":0.004479398673070138,"irt_loglikelihood":-814.0824508161375,"irt_users":4472,"is_experimental":false},"abc146_c":{"slope":-0.0011897347502221125,"intercept":8.496132242246976,"variance":0.5615574043069557,"difficulty":741,"discrimination":0.004479398673070138,"irt_loglikelihood":-1965.071417042242,"irt_users":4587,"is_experimental":false},"abc146_d":{"slope":-0.000993391843961377,"intercept":8.661706553405155,"variance":0.33551574826906744,"difficulty":1192,"discrimination":0.004479398673070138,"irt_loglikelihood":-1291.4631574204432,"irt_users":4587,"is_experimental":false},"abc146_e":{"slope":-0.0009050304165103343,"intercept":9.000382073074343,"variance":0.30841415105564357,"difficulty":1762,"discrimination":0.004479398673070138,"irt_loglikelihood":-588.9066674665621,"irt_users":4587,"is_experimental":false},"abc146_f":{"slope":-0.0005785746626644144,"intercept":8.293245042155473,"variance":0.33930069434519455,"difficulty":1545,"discrimination":0.004479398673070138,"irt_loglikelihood":-863.662532009774,"irt_users":4587,"is_experimental":false},"sumitb2019_a":{"slope":-0.0008349480596300734,"intercept":6.100376671565425,"variance":0.7226067342654886,"difficulty":-768,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.50520420435947,"irt_users":3700,"is_experimental":false},"sumitb2019_b":{"slope":-0.001078896566044576,"intercept":7.273883869361973,"variance":0.4092521671732377,"difficulty":-139,"discrimination":0.004479398673070138,"irt_loglikelihood":-752.7020056488129,"irt_users":3700,"is_experimental":false},"sumitb2019_c":{"slope":-0.0010889470880181408,"intercept":7.5844410430997895,"variance":0.5441456289581711,"difficulty":216,"discrimination":0.004479398673070138,"irt_loglikelihood":-1209.868476313402,"irt_users":3700,"is_experimental":false},"sumitb2019_d":{"slope":-0.0012305351342513195,"intercept":8.625945408415795,"variance":0.3296328684502066,"difficulty":838,"discrimination":0.004479398673070138,"irt_loglikelihood":-1313.7097777805536,"irt_users":3700,"is_experimental":false},"sumitb2019_e":{"slope":-0.0008185017023765574,"intercept":8.177357288662275,"variance":0.4310503500787095,"difficulty":1176,"discrimination":0.004479398673070138,"irt_loglikelihood":-1199.4676751404102,"irt_users":3700,"is_experimental":false},"sumitb2019_f":{"slope":-0.0005223015098911721,"intercept":8.49744582285114,"variance":0.24558947221345268,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-940.2431294516758,"irt_users":3700,"is_experimental":false},"abc147_a":{"slope":-0.0008284345449331754,"intercept":5.782141461269094,"variance":0.9985634514943321,"difficulty":-966,"discrimination":0.004479398673070138,"irt_loglikelihood":-269.8742223620856,"irt_users":4582,"is_experimental":false},"abc147_b":{"slope":-0.001077236179024082,"intercept":6.568576142865093,"variance":0.41120241282417896,"difficulty":-481,"discrimination":0.004479398673070138,"irt_loglikelihood":-613.0439496186481,"irt_users":4582,"is_experimental":false},"abc147_c":{"slope":-0.0012374174356697444,"intercept":8.909593647697397,"variance":0.29568934744572745,"difficulty":977,"discrimination":0.004479398673070138,"irt_loglikelihood":-1671.293931370464,"irt_users":4703,"is_experimental":false},"abc147_d":{"slope":-0.0011964060652715032,"intercept":8.96591417698173,"variance":0.48576456192780754,"difficulty":1205,"discrimination":0.004479398673070138,"irt_loglikelihood":-1254.434118393929,"irt_users":4703,"is_experimental":false},"abc147_e":{"slope":-0.0007423563822790224,"intercept":8.790544613851921,"variance":0.3336906706089419,"difficulty":1713,"discrimination":0.004479398673070138,"irt_loglikelihood":-651.2893697745278,"irt_users":4703,"is_experimental":false},"abc147_f":{"slope":-0.00034455080995416044,"intercept":8.809686048515172,"variance":0.1650285694366174,"difficulty":2393,"discrimination":0.004479398673070138,"irt_loglikelihood":-168.15987766693019,"irt_users":4703,"is_experimental":false},"abc148_a":{"slope":-0.0009678325867773653,"intercept":6.07351061974133,"variance":0.8540313759525214,"difficulty":-1054,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.01638464571647,"irt_users":4526,"is_experimental":false},"abc148_b":{"slope":-0.0009213486220050118,"intercept":5.9634648386549465,"variance":0.40887939711750443,"difficulty":-640,"discrimination":0.004479398673070138,"irt_loglikelihood":-378.9743540298922,"irt_users":4526,"is_experimental":false},"abc148_c":{"slope":-0.0012395146573054507,"intercept":6.697688618882777,"variance":0.6332681979757745,"difficulty":-341,"discrimination":0.004479398673070138,"irt_loglikelihood":-772.5210118808426,"irt_users":4648,"is_experimental":false},"abc148_d":{"slope":-0.0009419944220348485,"intercept":7.121069092048773,"variance":0.42539889752114285,"difficulty":85,"discrimination":0.004479398673070138,"irt_loglikelihood":-1378.4865489245904,"irt_users":4648,"is_experimental":false},"abc148_e":{"slope":-0.000988466273636123,"intercept":8.212594885719458,"variance":0.5741279207680171,"difficulty":818,"discrimination":0.004479398673070138,"irt_loglikelihood":-2069.4830502000395,"irt_users":4648,"is_experimental":false},"abc148_f":{"slope":-0.0005469890769823444,"intercept":8.58220111455557,"variance":0.2760246255664111,"difficulty":1457,"discrimination":0.004479398673070138,"irt_loglikelihood":-1019.1319403269023,"irt_users":4648,"is_experimental":false},"agc041_a":{"slope":-0.0008360213771960839,"intercept":8.380533833910375,"variance":0.4346983413257064,"difficulty":245,"discrimination":0.004479398673070138,"irt_loglikelihood":-1050.0296843691883,"irt_users":2950,"is_experimental":false},"agc041_b":{"slope":-0.0007381944384081519,"intercept":9.306019218196685,"variance":0.27955547045390455,"difficulty":1486,"discrimination":0.004479398673070138,"irt_loglikelihood":-1026.7581088254071,"irt_users":2950,"is_experimental":false},"agc041_c":{"slope":-0.0004818629985365777,"intercept":9.384606429594353,"variance":0.16458794335585064,"difficulty":2220,"discrimination":0.004479398673070138,"irt_loglikelihood":-491.3527833658752,"irt_users":2950,"is_experimental":false},"agc041_d":{"difficulty":3096,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.66465144250324,"irt_users":2950,"is_experimental":false,"slope":-0.00029266054028745364,"intercept":9.007599075066366,"variance":0.2940324190834259},"agc041_e":{"difficulty":3502,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.35646508470856,"irt_users":2950,"is_experimental":false,"slope":-0.000530271025810505,"intercept":10.011019635933696,"variance":0.06575904485076782},"agc041_f":{"difficulty":3893,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.552197624144222,"irt_users":2950,"is_experimental":false},"abc149_a":{"slope":-0.0011087152474447718,"intercept":6.18338320145248,"variance":1.8831226741840503,"is_experimental":false},"abc149_b":{"slope":-0.0010459472529682596,"intercept":7.082068892858122,"variance":0.5729818969868146,"is_experimental":false},"abc149_c":{"slope":-0.0010617411867223498,"intercept":7.182956455030736,"variance":0.6133588740869061,"difficulty":62,"discrimination":0.004479398673070138,"irt_loglikelihood":-850.6749636899207,"irt_users":3250,"is_experimental":false},"abc149_d":{"slope":-0.0006839846105781285,"intercept":7.994312788980435,"variance":0.34257233366703477,"difficulty":719,"discrimination":0.004479398673070138,"irt_loglikelihood":-1533.0592436418183,"irt_users":3250,"is_experimental":false},"abc149_e":{"slope":-0.0008798555921252627,"intercept":9.306901011372883,"variance":0.27689077125055583,"difficulty":1905,"discrimination":0.004479398673070138,"irt_loglikelihood":-428.1867290182391,"irt_users":3250,"is_experimental":false},"abc149_f":{"slope":-0.0007060158578924275,"intercept":8.936457521377319,"variance":0.3148567483404098,"difficulty":2208,"discrimination":0.004479398673070138,"irt_loglikelihood":-224.7071136749039,"irt_users":3250,"is_experimental":false},"abc150_a":{"slope":-0.0005855070910606319,"intercept":6.448505273570648,"variance":0.7611545712617895,"is_experimental":false},"abc150_b":{"slope":-0.000648262791650527,"intercept":6.181669755212258,"variance":0.6262960426232528,"is_experimental":false},"abc150_c":{"slope":-0.000998516002580279,"intercept":7.753557766608325,"variance":0.5182139710871642,"difficulty":422,"discrimination":0.004479398673070138,"irt_loglikelihood":-1562.430129529137,"irt_users":3504,"is_experimental":false},"abc150_d":{"slope":-0.0008121466964425388,"intercept":8.900695025843175,"variance":0.35031858611845856,"difficulty":1534,"discrimination":0.004479398673070138,"irt_loglikelihood":-1100.6486305471376,"irt_users":3504,"is_experimental":false},"abc150_e":{"slope":-0.0007771349999611062,"intercept":9.083085683623864,"variance":0.26410634087206203,"difficulty":1851,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.3533278762618,"irt_users":3504,"is_experimental":false},"abc150_f":{"slope":-0.0006974331473526686,"intercept":9.100239405650356,"variance":0.26516288058089893,"difficulty":2281,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.98947848537352,"irt_users":3504,"is_experimental":false},"dwacon6th_prelims_a":{"slope":-0.0008310037431772605,"intercept":6.914579278109052,"variance":0.5828453353314895,"difficulty":-709,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.50630348262999,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_b":{"slope":-0.0008964546910091957,"intercept":9.55248296690957,"variance":0.3665774175167824,"difficulty":1685,"discrimination":0.004479398673070138,"irt_loglikelihood":-669.5779964482763,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_c":{"slope":-0.0010452079149110057,"intercept":9.969893132204245,"variance":0.35342584669231075,"difficulty":2618,"discrimination":0.004479398673070138,"irt_loglikelihood":-138.93046271823812,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_d":{"slope":-0.0003902273371573504,"intercept":9.139880167177887,"variance":0.1457520258226686,"difficulty":2589,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.8475975055884,"irt_users":2567,"is_experimental":false},"dwacon6th_prelims_e":{"difficulty":3012,"discrimination":0.004479398673070138,"irt_loglikelihood":-59.058287516333806,"irt_users":2567,"is_experimental":false,"slope":-0.0005645078359997863,"intercept":9.591306344533322,"variance":0.13064838582904525},"abc151_a":{"slope":-0.0010497053695429806,"intercept":6.017776683425842,"variance":0.9585284377408154,"difficulty":-966,"discrimination":0.004479398673070138,"irt_loglikelihood":-269.06875892736315,"irt_users":4856,"is_experimental":false},"abc151_b":{"slope":-0.0009194393741624313,"intercept":6.738822466869702,"variance":0.36209191015952397,"difficulty":-525,"discrimination":0.004479398673070138,"irt_loglikelihood":-598.5668270941401,"irt_users":4856,"is_experimental":false},"abc151_c":{"slope":-0.0010645636574354493,"intercept":7.980488416014109,"variance":0.4311189149018801,"difficulty":327,"discrimination":0.004479398673070138,"irt_loglikelihood":-1936.0683166269034,"irt_users":4985,"is_experimental":false},"abc151_d":{"slope":-0.0009813191336627697,"intercept":8.54883300180488,"variance":0.3406594108265734,"difficulty":959,"discrimination":0.004479398673070138,"irt_loglikelihood":-1950.8673153691007,"irt_users":4985,"is_experimental":false},"abc151_e":{"slope":-0.0010008419580656393,"intercept":8.693416987888515,"variance":0.427772861832576,"difficulty":1344,"discrimination":0.004479398673070138,"irt_loglikelihood":-1235.0661202519598,"irt_users":4985,"is_experimental":false},"abc151_f":{"slope":-0.0002397056022587341,"intercept":7.732779670002372,"variance":0.7639369345141285,"difficulty":1671,"discrimination":0.004479398673070138,"irt_loglikelihood":-1035.1450897433936,"irt_users":4985,"is_experimental":false},"keyence2020_a":{"slope":-0.0009193015823818895,"intercept":6.591926658145002,"variance":0.639966793527074,"difficulty":-808,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.20146738299417,"irt_users":3560,"is_experimental":false},"keyence2020_b":{"slope":-0.0009606131148575933,"intercept":8.319156623057637,"variance":0.5098189867539082,"difficulty":889,"discrimination":0.004479398673070138,"irt_loglikelihood":-1629.67676072607,"irt_users":3560,"is_experimental":false},"keyence2020_c":{"slope":-0.0011026444852838488,"intercept":8.459921609201496,"variance":0.511455270785318,"difficulty":625,"discrimination":0.004479398673070138,"irt_loglikelihood":-1263.1407432416381,"irt_users":3560,"is_experimental":false},"keyence2020_d":{"slope":-0.0009116728708131412,"intercept":9.715403501491567,"variance":0.21995120019332415,"difficulty":1841,"discrimination":0.004479398673070138,"irt_loglikelihood":-592.431427530378,"irt_users":3560,"is_experimental":false},"keyence2020_e":{"slope":-0.00039889371856869656,"intercept":8.854784869002403,"variance":0.14527575371631204,"difficulty":2340,"discrimination":0.004479398673070138,"irt_loglikelihood":-281.47818189840683,"irt_users":3560,"is_experimental":false},"keyence2020_f":{"difficulty":3402,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.58139101947945,"irt_users":3560,"is_experimental":false,"slope":-0.0005449315825506862,"intercept":9.971648064655708,"variance":0.07216165018345506},"abc152_a":{"slope":-0.0008755192526405828,"intercept":5.772197178834136,"variance":1.1197316989883876,"difficulty":-1089,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.94313818185276,"irt_users":5174,"is_experimental":false},"abc152_b":{"slope":-0.0008691881771002441,"intercept":6.131006273400536,"variance":0.43761798057646006,"difficulty":-705,"discrimination":0.004479398673070138,"irt_loglikelihood":-485.0487152192333,"irt_users":5174,"is_experimental":false},"abc152_c":{"slope":-0.0012357669087624686,"intercept":7.430776127481966,"variance":0.5072227682280037,"difficulty":59,"discrimination":0.004479398673070138,"irt_loglikelihood":-1594.3165320945145,"irt_users":5295,"is_experimental":false},"abc152_d":{"slope":-0.0011264271680861031,"intercept":8.651406242502143,"variance":0.5164706162384222,"difficulty":1045,"discrimination":0.004479398673070138,"irt_loglikelihood":-1928.9739334893936,"irt_users":5295,"is_experimental":false},"abc152_e":{"slope":-0.0005998652548611042,"intercept":8.2914820867897,"variance":0.46628716547623145,"difficulty":1348,"discrimination":0.004479398673070138,"irt_loglikelihood":-1585.681341582929,"irt_users":5295,"is_experimental":false},"abc152_f":{"slope":-0.0005733282005988467,"intercept":8.708491991132483,"variance":0.2819753086227203,"difficulty":1965,"discrimination":0.004479398673070138,"irt_loglikelihood":-432.9095776273061,"irt_users":5295,"is_experimental":false},"abc153_a":{"slope":-0.001000509417635157,"intercept":6.01150212564263,"variance":0.7909748905998241,"difficulty":-940,"discrimination":0.004479398673070138,"irt_loglikelihood":-304.25857600266437,"irt_users":5306,"is_experimental":false},"abc153_b":{"slope":-0.0008414033092155056,"intercept":6.047947738900184,"variance":0.37422978208657903,"difficulty":-670,"discrimination":0.004479398673070138,"irt_loglikelihood":-520.0987762072943,"irt_users":5306,"is_experimental":false},"abc153_c":{"slope":-0.0009466049784853072,"intercept":6.6615838855696206,"variance":0.40525810026673964,"difficulty":-305,"discrimination":0.004479398673070138,"irt_loglikelihood":-1034.4280730236437,"irt_users":5456,"is_experimental":false},"abc153_d":{"slope":-0.0010775270864862739,"intercept":7.311440581552611,"variance":0.3984366646075404,"difficulty":-52,"discrimination":0.004479398673070138,"irt_loglikelihood":-1354.6116039461065,"irt_users":5456,"is_experimental":false},"abc153_e":{"slope":-0.0010484748432389769,"intercept":8.424733148832175,"variance":0.5557149817986985,"difficulty":1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.7153605338785,"irt_users":5456,"is_experimental":false},"abc153_f":{"slope":-0.000848928362193856,"intercept":8.730204638590587,"variance":0.34073547884541766,"difficulty":1393,"discrimination":0.004479398673070138,"irt_loglikelihood":-1083.826665386006,"irt_users":5456,"is_experimental":false},"abc154_a":{"slope":-0.0008864602237564547,"intercept":6.208895635047014,"variance":0.6111913260713885,"difficulty":-937,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.4852501181431,"irt_users":5263,"is_experimental":false},"abc154_b":{"slope":-0.0009245704600744174,"intercept":5.452700168383354,"variance":0.5068355729328295,"difficulty":-915,"discrimination":0.004479398673070138,"irt_loglikelihood":-278.7190158587328,"irt_users":5263,"is_experimental":false},"abc154_c":{"slope":-0.0011356930343615255,"intercept":6.547604177318609,"variance":0.719237967677668,"difficulty":-333,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.5002514966187,"irt_users":5392,"is_experimental":false},"abc154_d":{"slope":-0.0013040868969824023,"intercept":8.351365140886514,"variance":0.4020666045019067,"difficulty":485,"discrimination":0.004479398673070138,"irt_loglikelihood":-2061.1958691973323,"irt_users":5392,"is_experimental":false},"abc154_e":{"slope":-0.0006666205843087251,"intercept":8.50911823841687,"variance":0.4390912993505023,"difficulty":1298,"discrimination":0.004479398673070138,"irt_loglikelihood":-1336.637076121236,"irt_users":5392,"is_experimental":false},"abc154_f":{"slope":-0.0007230435884840209,"intercept":8.78501629260621,"variance":0.3539003631863156,"difficulty":1775,"discrimination":0.004479398673070138,"irt_loglikelihood":-729.5909676848985,"irt_users":5392,"is_experimental":false},"abc155_a":{"slope":-0.0008883058324163492,"intercept":6.350616531854304,"variance":0.7163636287927637,"difficulty":-951,"discrimination":0.004479398673070138,"irt_loglikelihood":-394.66943313437946,"irt_users":5831,"is_experimental":false},"abc155_b":{"slope":-0.0008663624238705575,"intercept":6.40128700720694,"variance":0.3661377542632724,"difficulty":-629,"discrimination":0.004479398673070138,"irt_loglikelihood":-732.4792396596803,"irt_users":5831,"is_experimental":false},"abc155_c":{"slope":-0.0011713660641173506,"intercept":7.57748949105799,"variance":0.5823783137640993,"difficulty":189,"discrimination":0.004479398673070138,"irt_loglikelihood":-2448.0909379652203,"irt_users":5971,"is_experimental":false},"abc155_d":{"slope":-0.0005793348541928003,"intercept":8.892901245739845,"variance":0.29503083576138206,"difficulty":1845,"discrimination":0.004479398673070138,"irt_loglikelihood":-704.3224292414722,"irt_users":5971,"is_experimental":false},"abc155_e":{"slope":-0.0007040130762368913,"intercept":8.863152671332962,"variance":0.27893666260145406,"difficulty":1569,"discrimination":0.004479398673070138,"irt_loglikelihood":-1452.84635596948,"irt_users":5971,"is_experimental":false},"abc155_f":{"difficulty":2738,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.51143972561164,"irt_users":5971,"is_experimental":false,"slope":-0.00046726372461551846,"intercept":8.820531477958879,"variance":0.2707703132094761},"abc156_a":{"slope":-0.0006698122596089903,"intercept":6.104633335309426,"variance":0.5943935449739014,"difficulty":-1194,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.16062267555168,"irt_users":5021,"is_experimental":false},"abc156_b":{"slope":-0.001056301570038702,"intercept":6.49374214798497,"variance":0.6398349798740154,"difficulty":-466,"discrimination":0.004479398673070138,"irt_loglikelihood":-820.7936569631893,"irt_users":5021,"is_experimental":false},"abc156_c":{"slope":-0.0012168702209486618,"intercept":7.2120527987332785,"variance":0.42592412834713594,"difficulty":-221,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.9049032430496,"irt_users":5181,"is_experimental":false},"abc156_d":{"slope":-0.0013101910074239677,"intercept":8.860578883606864,"variance":0.4476046354698783,"difficulty":1014,"discrimination":0.004479398673070138,"irt_loglikelihood":-1590.5059059915907,"irt_users":5181,"is_experimental":false},"abc156_e":{"slope":-0.0008210613490460909,"intercept":8.862667113237812,"variance":0.29482236399623774,"difficulty":1514,"discrimination":0.004479398673070138,"irt_loglikelihood":-976.9696472366604,"irt_users":5181,"is_experimental":false},"abc156_f":{"slope":-0.0005061803215096564,"intercept":8.560714083923658,"variance":0.24015676134615746,"difficulty":2150,"discrimination":0.004479398673070138,"irt_loglikelihood":-418.89936426275705,"irt_users":5181,"is_experimental":false},"abc157_a":{"slope":-0.0010181176509799171,"intercept":5.71349141506358,"variance":1.0119935590160776,"difficulty":-1070,"discrimination":0.004479398673070138,"irt_loglikelihood":-368.9237295566826,"irt_users":5818,"is_experimental":false},"abc157_b":{"slope":-0.0009585851950429479,"intercept":7.536141788346586,"variance":0.3270356515050645,"difficulty":-128,"discrimination":0.004479398673070138,"irt_loglikelihood":-1822.8750864336546,"irt_users":5818,"is_experimental":false},"abc157_c":{"slope":-0.0009676801905357892,"intercept":8.407669853415552,"variance":0.35649376933149396,"difficulty":456,"discrimination":0.004479398673070138,"irt_loglikelihood":-2785.0040169718095,"irt_users":5940,"is_experimental":false},"abc157_d":{"slope":-0.001085570504825827,"intercept":8.722332747928455,"variance":0.27732747682061737,"difficulty":1208,"discrimination":0.004479398673070138,"irt_loglikelihood":-1375.3596965189254,"irt_users":5940,"is_experimental":false},"abc157_e":{"slope":-0.0006807334089448578,"intercept":8.215720154177138,"variance":0.4209201971917409,"difficulty":1443,"discrimination":0.004479398673070138,"irt_loglikelihood":-1034.269712640495,"irt_users":5940,"is_experimental":false},"abc157_f":{"slope":-0.00033395060753240683,"intercept":8.482208841322134,"variance":0.38919820895712864,"difficulty":2525,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.31119535650087,"irt_users":5940,"is_experimental":false},"abc158_a":{"slope":-0.000815352872473419,"intercept":6.203083525163867,"variance":0.6654143199050823,"difficulty":-895,"discrimination":0.004479398673070138,"irt_loglikelihood":-441.16757831176426,"irt_users":6258,"is_experimental":false},"abc158_b":{"slope":-0.0011070755077531122,"intercept":7.145407445387727,"variance":0.5635393111616036,"difficulty":-72,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.1322403035408,"irt_users":6258,"is_experimental":false},"abc158_c":{"slope":-0.0010845838933245405,"intercept":7.474964746136856,"variance":0.5950294096209238,"difficulty":66,"discrimination":0.004479398673070138,"irt_loglikelihood":-2189.3303680662393,"irt_users":6430,"is_experimental":false},"abc158_d":{"slope":-0.0010466897700507312,"intercept":8.302875490283135,"variance":0.3813745704990811,"difficulty":610,"discrimination":0.004479398673070138,"irt_loglikelihood":-2569.2985018997447,"irt_users":6430,"is_experimental":false},"abc158_e":{"slope":-0.0008569582923137582,"intercept":9.23402842121325,"variance":0.34667072749415967,"difficulty":1866,"discrimination":0.004479398673070138,"irt_loglikelihood":-704.809143850031,"irt_users":6430,"is_experimental":false},"abc158_f":{"slope":-0.0007412830494098676,"intercept":9.161107164384905,"variance":0.2356554753997893,"difficulty":2067,"discrimination":0.004479398673070138,"irt_loglikelihood":-397.09596573010396,"irt_users":6430,"is_experimental":false},"hitachi2020_a":{"slope":-0.0009437509716363263,"intercept":6.930785483867336,"variance":0.8266583899121699,"difficulty":-499,"discrimination":0.004479398673070138,"irt_loglikelihood":-628.7334681834812,"irt_users":4112,"is_experimental":false},"hitachi2020_b":{"slope":-0.0009449293865600721,"intercept":7.276194135436246,"variance":0.37839043320882265,"difficulty":-80,"discrimination":0.004479398673070138,"irt_loglikelihood":-1014.7106780285012,"irt_users":4112,"is_experimental":false},"hitachi2020_c":{"slope":-0.0009312482298906406,"intercept":9.956605506379312,"variance":0.2980405930786078,"difficulty":2013,"discrimination":0.004479398673070138,"irt_loglikelihood":-578.6956956349068,"irt_users":4112,"is_experimental":false},"hitachi2020_d":{"slope":-0.0007576211524515937,"intercept":9.951837029205935,"variance":0.2028638982399024,"difficulty":2547,"discrimination":0.004479398673070138,"irt_loglikelihood":-203.4729323337155,"irt_users":4112,"is_experimental":false},"hitachi2020_e":{"slope":-0.0005199558720571912,"intercept":9.23224982900155,"variance":0.23393384246470872,"difficulty":2732,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.7815337186349,"irt_users":4112,"is_experimental":false},"hitachi2020_f":{"difficulty":3694,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.127956969901701,"irt_users":4112,"is_experimental":false},"tenka1_2012_qualA_1":{"slope":-0.0011216255842268897,"intercept":7.9082222667935875,"variance":0.6031553752300518,"difficulty":8,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.648395494799392,"irt_users":178,"is_experimental":true},"tenka1_2012_qualA_2":{"slope":-0.0011705792601419903,"intercept":7.8636207646181004,"variance":0.6157414695832283,"difficulty":414,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.88179335378014,"irt_users":178,"is_experimental":true},"tenka1_2012_qualA_3":{"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.448450525805136,"irt_users":178,"is_experimental":true,"slope":-0.0004663127164875774,"intercept":9.223302429290296,"variance":0.2721266394018195},"tenka1_2012_qualA_4":{"difficulty":3239,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.968127309932696,"irt_users":178,"is_experimental":true},"tenka1_2012_5":{"slope":-0.0009418088353242346,"intercept":7.446619914198665,"variance":1.2096537126165714,"difficulty":-126,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.32524652683522,"irt_users":141,"is_experimental":true},"tenka1_2012_6":{"slope":-0.0007999609298788635,"intercept":9.370693676258922,"variance":0.27075611193877996,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.75632495694985,"irt_users":141,"is_experimental":true},"tenka1_2012_7":{"difficulty":1936,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.37873715540739,"irt_users":141,"is_experimental":true,"slope":-0.0007276484832128466,"intercept":9.255182467984834,"variance":0.283368097453312},"tenka1_2012_8":{"difficulty":2830,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.102660334438411,"irt_users":141,"is_experimental":true},"tenka1_2012_9":{"slope":-0.001088743966789316,"intercept":7.632115856086032,"variance":0.8433606109467335,"difficulty":369,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.404168916715776,"irt_users":148,"is_experimental":true},"tenka1_2012_10":{"slope":-0.0010709484920154054,"intercept":9.235383924869472,"variance":0.20705177110801085,"difficulty":1080,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.23263161945954,"irt_users":148,"is_experimental":true},"tenka1_2012_11":{"is_experimental":true},"tenka1_2012_12":{"difficulty":3066,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.586280132152603,"irt_users":148,"is_experimental":true},"tenka1_2012_final_a":{"is_experimental":true,"slope":-0.0006007270318452068,"intercept":7.583752240884424,"variance":0.5146545538282293},"tenka1_2012_final_b":{"is_experimental":true,"slope":-0.00023040674720387416,"intercept":8.642540114164495,"variance":0.17635913262178335},"tenka1_2012_final_c":{"is_experimental":true},"tenka1_2012_final_d":{"is_experimental":true},"tenka1_2012_final_e":{"is_experimental":true},"digitalarts_1":{"slope":-0.0009357710554911251,"intercept":8.33874324761221,"variance":0.24954994195924812,"difficulty":808,"discrimination":0.004479398673070138,"irt_loglikelihood":-66.49195489083507,"irt_users":171,"is_experimental":true},"digitalarts_2":{"slope":-0.0006288856113996644,"intercept":8.366480930864407,"variance":0.17947097881052335,"difficulty":1373,"discrimination":0.004479398673070138,"irt_loglikelihood":-84.84949470303684,"irt_users":171,"is_experimental":true},"digitalarts_3":{"difficulty":2179,"discrimination":0.004479398673070138,"irt_loglikelihood":-40.78499432003861,"irt_users":171,"is_experimental":true,"slope":-0.0000967567395873544,"intercept":7.592255735021723,"variance":0.12522975782254012},"tenka1_2013_qualA_a":{"slope":-0.0009635722527934084,"intercept":7.164885736379428,"variance":1.0141962791970032,"difficulty":-399,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.9388135107439215,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_b":{"slope":-0.0009305759188910021,"intercept":6.850854371657632,"variance":0.41329795847634315,"difficulty":223,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.09981660378444,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_c":{"slope":-0.00046566003863087325,"intercept":8.940559245453418,"variance":0.25167213038632985,"difficulty":1988,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.97376091438804,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_d":{"difficulty":2507,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.326889375024688,"irt_users":252,"is_experimental":true},"tenka1_2013_qualA_e":{"difficulty":2800,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.363224662961645,"irt_users":252,"is_experimental":true,"slope":-0.0006697354572175419,"intercept":9.342871725447136,"variance":0.04860180182261442},"tenka1_2013_qualB_a":{"slope":-0.0010856131656984272,"intercept":7.577446477285103,"variance":1.2284456221822122,"difficulty":147,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.18425945341117,"irt_users":185,"is_experimental":true},"tenka1_2013_qualB_b":{"slope":-0.0010572110870507244,"intercept":9.212269755365488,"variance":0.34681645885404483,"difficulty":1286,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.67801907554728,"irt_users":185,"is_experimental":true},"tenka1_2013_qualB_c":{"difficulty":2613,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.96213562156205,"irt_users":185,"is_experimental":true},"tenka1_2013_qualB_e":{"difficulty":2217,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.68066954577892,"irt_users":185,"is_experimental":true,"slope":-0.0003077030558662321,"intercept":8.57321763026746,"variance":0.22806440401314218},"tenka1_2013_final_a":{"is_experimental":true,"slope":-0.0016554330998052647,"intercept":11.227363898617199,"variance":0.38248398748921625},"tenka1_2013_final_b":{"is_experimental":true},"tenka1_2013_final_c":{"is_experimental":true},"tenka1_2013_final_d":{"is_experimental":true},"tenka1_2013_final_e":{"is_experimental":true},"tenka1_2014_qualA_a":{"slope":-0.0013579757337294667,"intercept":7.907560025817259,"variance":0.9029103847696122,"difficulty":344,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.05334197360241,"irt_users":373,"is_experimental":true},"tenka1_2014_qualA_b":{"slope":-0.0008032657626752444,"intercept":9.24003337698194,"variance":0.2598309729197835,"difficulty":1576,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.44719946124755,"irt_users":373,"is_experimental":true},"tenka1_2014_qualA_c":{"slope":-0.0011729759478475018,"intercept":9.852289312866011,"variance":0.30901022702160674,"difficulty":2024,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.92914927781565,"irt_users":373,"is_experimental":true},"tenka1_2014_qualA_d":{"difficulty":2341,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.48424965187087,"irt_users":373,"is_experimental":true,"slope":-0.0005943112614607083,"intercept":9.236729443151724,"variance":0.19212443357007847},"tenka1_2014_qualA_e":{"difficulty":2750,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.94927003473682,"irt_users":373,"is_experimental":true,"slope":-0.0008133095851188767,"intercept":9.967593096984237,"variance":0.08137280090963497},"code_formula_2014_qualA_a":{"slope":-0.0013135488421260662,"intercept":7.7621199956070965,"variance":1.015688984962847,"difficulty":87,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.06950819960147,"irt_users":263,"is_experimental":true},"code_formula_2014_qualA_b":{"slope":-0.0009557496498979474,"intercept":7.977781088168537,"variance":0.33457540564855875,"difficulty":308,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.90299840822109,"irt_users":263,"is_experimental":true},"code_formula_2014_qualA_c":{"slope":-0.001151648312679374,"intercept":9.889224000450774,"variance":0.2424210894877235,"difficulty":1610,"discrimination":0.004479398673070138,"irt_loglikelihood":-90.553365986464,"irt_users":263,"is_experimental":true},"code_formula_2014_qualA_d":{"difficulty":2102,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.555934836820185,"irt_users":263,"is_experimental":true,"slope":-0.00047773045779912087,"intercept":8.891704742946336,"variance":0.3428609948992115},"tenka1_2014_qualB_a":{"slope":-0.0013344411434684463,"intercept":7.870542813026127,"variance":1.0532491674454973,"difficulty":-3,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.125556309050193,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_b":{"slope":-0.0015147511546456252,"intercept":9.486160590155722,"variance":0.32720809432494613,"difficulty":1258,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.41950540574923,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_c":{"slope":-0.0007074614383218213,"intercept":9.024201486620942,"variance":0.31708337637496126,"difficulty":2065,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.2720057635244,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_d":{"difficulty":2572,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.94223164440479,"irt_users":290,"is_experimental":true},"tenka1_2014_qualB_e":{"difficulty":3284,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.645894656732915,"irt_users":290,"is_experimental":true},"code_formula_2014_qualB_a":{"slope":-0.0006734721743471129,"intercept":5.588446720085132,"variance":1.7472300380103398,"difficulty":-278,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.592501291632768,"irt_users":235,"is_experimental":true},"code_formula_2014_qualB_b":{"slope":-0.0012501247060150665,"intercept":7.940803974542378,"variance":0.5350869421628905,"difficulty":603,"discrimination":0.004479398673070138,"irt_loglikelihood":-60.62320185700305,"irt_users":235,"is_experimental":true},"code_formula_2014_qualB_c":{"slope":-0.0010883791233055999,"intercept":9.752122982368547,"variance":0.3575892443777335,"difficulty":1406,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.42585855703737,"irt_users":235,"is_experimental":true},"code_formula_2014_qualB_d":{"slope":-0.0005245863576192718,"intercept":8.695276031620597,"variance":0.31215561226896243,"difficulty":1939,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.32506756498775,"irt_users":235,"is_experimental":true},"tenka1_2014_final_a":{"is_experimental":true,"slope":-0.0005629009237459912,"intercept":8.546196858967397,"variance":0.2360600212558398},"tenka1_2014_final_b":{"is_experimental":true,"slope":-0.0009148021355634103,"intercept":9.803736366045387,"variance":0.29248378904900346},"tenka1_2014_final_c":{"is_experimental":true},"tenka1_2014_final_d":{"is_experimental":true,"slope":-0.0013019871077097809,"intercept":11.428442259172432,"variance":0.18961336416214014},"tenka1_2014_final_e":{"is_experimental":true},"code_festival_qualA_a":{"slope":-0.0009227249238321719,"intercept":6.014204500308331,"variance":1.4904223092244757,"is_experimental":true},"code_festival_qualA_b":{"slope":-0.0012595562221882134,"intercept":7.5049440926149344,"variance":0.5793004973782343,"difficulty":213,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.461232775977,"irt_users":401,"is_experimental":true},"code_festival_qualA_c":{"slope":-0.0014308801154586848,"intercept":8.623230983267003,"variance":0.6348262132108259,"difficulty":639,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.99743494500105,"irt_users":401,"is_experimental":true},"code_festival_qualA_d":{"slope":-0.0009540199853636598,"intercept":9.97737101260884,"variance":0.2531122902572304,"difficulty":1896,"discrimination":0.004479398673070138,"irt_loglikelihood":-87.20051357912077,"irt_users":401,"is_experimental":true},"code_formula_2014_final_a":{"slope":-0.0009048414039275749,"intercept":5.595931760069897,"variance":0.8392349213305449,"is_experimental":true},"code_formula_2014_final_b":{"slope":-0.0007551446579269496,"intercept":6.332301339039685,"variance":0.366443720006919,"is_experimental":true},"code_formula_2014_final_c":{"slope":-0.0013171141574718783,"intercept":8.972603917438462,"variance":0.44935177462554393,"difficulty":666,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.695218812450722,"irt_users":94,"is_experimental":true},"code_formula_2014_final_d":{"difficulty":1902,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.415566535246054,"irt_users":94,"is_experimental":true,"slope":-0.000864644418470302,"intercept":9.664490916759933,"variance":0.22288667649926608},"code_formula_2014_final_e":{"difficulty":2092,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.84189827212331,"irt_users":94,"is_experimental":true,"slope":-0.00010985737977749908,"intercept":8.427994419075903,"variance":0.31270097689168996},"code_formula_2014_final_f":{"slope":-0.0005895808646765551,"intercept":9.13899310586915,"variance":0.2437717507265947,"difficulty":1447,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.36793349722112,"irt_users":94,"is_experimental":true},"code_formula_2014_final_g":{"difficulty":2588,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.395223733963164,"irt_users":94,"is_experimental":true,"slope":-0.0011717994290621925,"intercept":10.77354473079147,"variance":0.1798466151506404},"code_formula_2014_final_h":{"difficulty":2726,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.341485866752949,"irt_users":94,"is_experimental":true},"code_festival_qualB_a":{"slope":-0.000922052070445795,"intercept":6.075479412687338,"variance":1.439390005203515,"difficulty":-302,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.512880738057966,"irt_users":396,"is_experimental":true},"code_festival_qualB_b":{"slope":-0.0010458491446721438,"intercept":6.951551865659993,"variance":0.54412396275795,"difficulty":144,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.9018725372554,"irt_users":396,"is_experimental":true},"code_festival_qualB_c":{"slope":-0.000967137075378241,"intercept":8.943342929554495,"variance":0.43618269702994433,"difficulty":1298,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.47105877726773,"irt_users":396,"is_experimental":true},"code_festival_qualB_d":{"slope":-0.0013227408099015974,"intercept":9.967879717212728,"variance":0.3392451798002448,"difficulty":1651,"discrimination":0.004479398673070138,"irt_loglikelihood":-128.14982978807146,"irt_users":396,"is_experimental":true},"code_festival_final_a":{"slope":-0.0005224194053830212,"intercept":5.673991284746016,"variance":1.0799685687302576,"is_experimental":true},"code_festival_final_b":{"slope":-0.0009234275982000535,"intercept":6.703636288240688,"variance":0.4746430791582561,"difficulty":230,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.999123295754661,"irt_users":198,"is_experimental":true},"code_festival_final_c":{"slope":-0.001543783488195168,"intercept":9.602923071241364,"variance":0.4198866577283556,"difficulty":685,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.42997042424857,"irt_users":198,"is_experimental":true},"code_festival_final_d":{"slope":-0.0011939936213382978,"intercept":8.877918191521957,"variance":0.8411132892123732,"difficulty":900,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.53086741717652,"irt_users":198,"is_experimental":true},"code_festival_final_e":{"slope":-0.001737690006067969,"intercept":10.147458093271174,"variance":0.5201260718227537,"difficulty":1017,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.90650197119607,"irt_users":198,"is_experimental":true},"code_festival_final_f":{"slope":-0.0006641278047234843,"intercept":9.765427642496187,"variance":0.2369954833097488,"difficulty":2023,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.93360590846117,"irt_users":198,"is_experimental":true},"code_festival_final_g":{"difficulty":3132,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.173518587390735,"irt_users":198,"is_experimental":true},"code_festival_final_h":{"difficulty":2535,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.35868953901964,"irt_users":198,"is_experimental":true},"code_festival_final_i":{"difficulty":2816,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.14082162499399,"irt_users":198,"is_experimental":true,"slope":-0.0005241838575412345,"intercept":9.899513450825966,"variance":0.019929071761179702},"code_festival_final_j":{"difficulty":3309,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.575726321842913,"irt_users":198,"is_experimental":true},"code_festival_exhibition_a":{"is_experimental":true},"code_festival_exhibition_b":{"is_experimental":true},"code_festival_morning_easy_a":{"slope":-0.001928145820533124,"intercept":8.764216587049615,"variance":0.8572255878484503,"difficulty":476,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.231162479484055,"irt_users":44,"is_experimental":true},"code_festival_morning_easy_b":{"slope":-0.000761542538644742,"intercept":7.559259394685429,"variance":0.6711116729592892,"difficulty":476,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.689761930304389,"irt_users":44,"is_experimental":true},"code_festival_morning_easy_c":{"slope":-0.0008982515757418235,"intercept":9.292955111508803,"variance":0.2724077755698045,"difficulty":1293,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.42021332971879,"irt_users":141,"is_experimental":true},"code_festival_morning_easy_d":{"difficulty":1999,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.22318726941236,"irt_users":141,"is_experimental":true,"slope":-0.00025097900369783855,"intercept":7.861486135693574,"variance":0.22728625831479488},"code_festival_morning_med_c":{"slope":-0.0010186449786027901,"intercept":9.69866651537622,"variance":0.6310614240153878,"difficulty":1983,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.06704947479219,"irt_users":150,"is_experimental":true},"code_festival_morning_med_d":{"difficulty":2073,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.40769600368955,"irt_users":150,"is_experimental":true,"slope":-0.0014245371312778111,"intercept":10.569405686604545,"variance":0.4178491896021123},"code_festival_morning_hard_c":{"difficulty":2521,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.642467683991505,"irt_users":53,"is_experimental":true,"slope":-0.0004300563960641576,"intercept":8.605812497370279,"variance":0.11979634823037658},"code_festival_morning_hard_d":{"difficulty":3303,"discrimination":0.004479398673070138,"irt_loglikelihood":-1.8632361667271657,"irt_users":53,"is_experimental":true},"dwango2015_prelims_1":{"slope":-0.0011363159569591427,"intercept":6.99763093884174,"variance":1.1717333162362116,"is_experimental":true},"dwango2015_prelims_2":{"slope":-0.0012602785554635463,"intercept":8.736072409980805,"variance":0.4416295178095837,"difficulty":831,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.29502978609341,"irt_users":353,"is_experimental":true},"dwango2015_prelims_3":{"slope":-0.0011453515883354198,"intercept":10.246499489742677,"variance":0.23441310574000238,"difficulty":1953,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.46083104189643,"irt_users":353,"is_experimental":true},"dwango2015_prelims_4":{"difficulty":2495,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.16255277255628,"irt_users":353,"is_experimental":true,"slope":-0.00025679975429163153,"intercept":8.569453018563754,"variance":0.2425709538468896},"dwango2015_prelims_5":{"difficulty":3342,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.835350575379048,"irt_users":353,"is_experimental":true},"donuts_2015_1":{"slope":-0.0009506813523662716,"intercept":7.4202343114356015,"variance":0.9027695364013187,"difficulty":248,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.6950782703605,"irt_users":254,"is_experimental":true},"donuts_2015_2":{"slope":-0.001204343424232647,"intercept":9.263775845417168,"variance":0.2602927836296816,"difficulty":1297,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.3197036892716,"irt_users":254,"is_experimental":true},"donuts_2015_3":{"slope":-0.000896168176855385,"intercept":8.465489778120391,"variance":0.372608100878584,"difficulty":1661,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.12675818052139,"irt_users":254,"is_experimental":true},"donuts_2015_4":{"difficulty":2383,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.373216559982815,"irt_users":254,"is_experimental":true,"slope":-0.00026979807433796923,"intercept":8.577640576381848,"variance":0.131670980134159},"dwango2015_finals_1":{"is_experimental":true,"slope":-0.001744701399335079,"intercept":11.48690383950378,"variance":0.21916157222896615},"dwango2015_finals_2":{"is_experimental":true,"slope":-0.00338130095864918,"intercept":17.30033847874104,"variance":0.2210166043588278},"dwango2015_finals_3":{"is_experimental":true,"slope":-0.00044563089036200675,"intercept":8.997783423908277,"variance":0.3440200458987755},"dwango2015_finals_4":{"is_experimental":true},"indeednow_2015_quala_1":{"slope":-0.0009891051537493551,"intercept":6.930626468924753,"variance":1.4300227736031283,"difficulty":-414,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.093105097048393,"irt_users":282,"is_experimental":true},"indeednow_2015_quala_2":{"slope":-0.0014921996881108624,"intercept":8.148900765801192,"variance":0.45453252523637033,"difficulty":204,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.41468890900189,"irt_users":282,"is_experimental":true},"indeednow_2015_quala_3":{"slope":-0.001152365408128129,"intercept":9.215394008054977,"variance":0.522804555330146,"difficulty":1200,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.87673036871752,"irt_users":282,"is_experimental":true},"indeednow_2015_quala_4":{"slope":-0.000964747275724485,"intercept":9.569127806545394,"variance":0.25802022926033175,"difficulty":1838,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.48278895050703,"irt_users":282,"is_experimental":true},"indeednow_2015_qualb_1":{"slope":-0.0007705983875410815,"intercept":6.835533291273076,"variance":1.2010911292714497,"difficulty":128,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.508104051877,"irt_users":297,"is_experimental":true},"indeednow_2015_qualb_2":{"slope":-0.0013476318321858011,"intercept":8.329830813020825,"variance":0.44123578694430465,"difficulty":491,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.88588630540443,"irt_users":297,"is_experimental":true},"indeednow_2015_qualc_3":{"slope":-0.001540430631317872,"intercept":9.395020512989792,"variance":0.3397563299393527,"difficulty":1246,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.60333906234916,"irt_users":297,"is_experimental":true},"indeednow_2015_qualb_4":{"slope":-0.001437757213392375,"intercept":9.784286697651611,"variance":0.39738157371989824,"difficulty":1445,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.68351879410325,"irt_users":297,"is_experimental":true},"tenka1_2015_qualA_a":{"slope":-0.0005917334822035266,"intercept":7.662064328516915,"variance":1.11428207523428,"difficulty":488,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.2276302549007,"irt_users":345,"is_experimental":true},"tenka1_2015_qualA_b":{"slope":-0.0005349568939421813,"intercept":8.982634751171272,"variance":0.33997784648841634,"difficulty":2115,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.0294170179237,"irt_users":345,"is_experimental":true},"tenka1_2015_qualA_c":{"slope":-0.0014536332676233768,"intercept":10.593694058545873,"variance":0.5330689909900614,"difficulty":2078,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.45057462639824,"irt_users":345,"is_experimental":true},"tenka1_2015_qualA_d":{"difficulty":2559,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.855452000476944,"irt_users":345,"is_experimental":true,"slope":-0.0007135665420569392,"intercept":9.928273415950038,"variance":0.12186947143967548},"tenka1_2015_qualA_e":{"difficulty":3359,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.575747452884072,"irt_users":345,"is_experimental":true},"tenka1_2015_qualB_a":{"slope":-0.00044167066738948744,"intercept":6.946950147517082,"variance":1.2301119055784067,"difficulty":445,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.34815082306078,"irt_users":272,"is_experimental":true},"tenka1_2015_qualB_b":{"slope":-0.00082015581245684,"intercept":8.5444427184538,"variance":0.5017436125636096,"difficulty":1269,"discrimination":0.004479398673070138,"irt_loglikelihood":-185.12658048209886,"irt_users":272,"is_experimental":true},"tenka1_2015_qualB_c":{"slope":-0.00043738657886180604,"intercept":8.96727537182861,"variance":0.1846781346503138,"difficulty":2087,"discrimination":0.004479398673070138,"irt_loglikelihood":-71.93371980106686,"irt_users":272,"is_experimental":true},"tenka1_2015_qualB_d":{"difficulty":2798,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.197098549044934,"irt_users":272,"is_experimental":true,"slope":-0.00002594969750964174,"intercept":8.35458401352714,"variance":0.06638762461954686},"tenka1_2015_qualB_e":{"difficulty":3228,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.76762591431801,"irt_users":272,"is_experimental":true},"tenka1_2015_final_a":{"is_experimental":true,"slope":-0.0013914054126055973,"intercept":10.386173101822553,"variance":0.8925252953158483},"tenka1_2015_final_b":{"is_experimental":true},"tenka1_2015_final_c":{"is_experimental":true},"tenka1_2015_final_d":{"is_experimental":true},"tenka1_2015_final_e":{"is_experimental":true,"slope":-0.0003040840259089363,"intercept":8.622188125440477,"variance":0.19870158028981047},"tenka1_2015_final_f":{"is_experimental":true,"slope":-0.0007083770058395382,"intercept":9.519606629729342,"variance":0.23731176734153084},"tenka1_2015_final_g":{"is_experimental":true},"codefestival_2015_qualA_a":{"slope":-0.0011166546682962058,"intercept":6.7931825537703086,"variance":1.3132666886685957,"difficulty":-306,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.86909092492071,"irt_users":642,"is_experimental":true},"codefestival_2015_qualA_b":{"slope":-0.0012459797809430246,"intercept":7.54872834925539,"variance":0.4297419362141991,"difficulty":171,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.47243529911685,"irt_users":642,"is_experimental":true},"codefestival_2015_qualA_c":{"slope":-0.001269614603201319,"intercept":8.65245795026368,"variance":0.4931897481008056,"difficulty":745,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.9121509105637,"irt_users":642,"is_experimental":true},"codefestival_2015_qualA_d":{"slope":-0.001073153020781559,"intercept":10.164120928989497,"variance":0.31370014915958305,"difficulty":1723,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.43052627784388,"irt_users":642,"is_experimental":true},"codefestival_2015_qualB_a":{"slope":-0.001052870421338519,"intercept":6.572107222864016,"variance":1.2159291472938094,"difficulty":-314,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.39338415585017,"irt_users":618,"is_experimental":true},"codefestival_2015_qualB_b":{"slope":-0.0012149260681553352,"intercept":8.013567192531688,"variance":0.511252865894807,"difficulty":473,"discrimination":0.004479398673070138,"irt_loglikelihood":-167.70348653328128,"irt_users":618,"is_experimental":true},"codefestival_2015_qualB_c":{"slope":-0.0011419152945341055,"intercept":8.083237197269048,"variance":0.44444327390451466,"difficulty":645,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.547617758619,"irt_users":618,"is_experimental":true},"codefestival_2015_qualB_d":{"slope":-0.0006671727939304672,"intercept":9.32952329922421,"variance":0.3579583063632906,"difficulty":1965,"discrimination":0.004479398673070138,"irt_loglikelihood":-105.22768374223614,"irt_users":618,"is_experimental":true},"codefestival_2015_ex_a":{"is_experimental":true},"codefestival_2015_ex_b":{"is_experimental":true},"cf_2015_morning_easy_a":{"slope":-0.00042500661383690515,"intercept":6.423369623043314,"variance":1.1150060940661153,"is_experimental":true},"cf_2015_morning_easy_b":{"slope":-0.0014313347931698226,"intercept":7.90802475261027,"variance":0.4500600581237574,"difficulty":429,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.401177874015678,"irt_users":88,"is_experimental":true},"cf_2015_morning_easy_c":{"slope":-0.0012257423481395382,"intercept":9.301715817461536,"variance":0.5896726854342805,"difficulty":841,"discrimination":0.004479398673070138,"irt_loglikelihood":-30.629442724591726,"irt_users":206,"is_experimental":true},"cf_2015_morning_easy_d":{"slope":-0.0009149919266440599,"intercept":8.728613014584607,"variance":0.42745812865746474,"difficulty":1316,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.90746121631682,"irt_users":206,"is_experimental":true},"cf_2015_morning_hard_a":{"slope":-0.0007361231385991622,"intercept":8.88635471320121,"variance":0.34411662396008214,"difficulty":1587,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.48136671176846,"irt_users":158,"is_experimental":true},"cf_2015_morning_hard_b":{"difficulty":2456,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.05170746502539,"irt_users":158,"is_experimental":true,"slope":-0.0007341803673611741,"intercept":9.4790806961656,"variance":0.16833957714715173},"cf_2015_morning_hard_c":{"difficulty":3258,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.339170965527732,"irt_users":40,"is_experimental":true},"cf_2015_morning_hard_h":{"difficulty":2944,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.241097948059137,"irt_users":40,"is_experimental":true},"dwango2016qual_a":{"slope":-0.0011208493997042221,"intercept":8.084288570278849,"variance":0.9651474673598259,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.9626958924141,"irt_users":389,"is_experimental":true},"dwango2016qual_b":{"slope":-0.0009897778933405728,"intercept":8.401661261526883,"variance":0.45236746240070486,"difficulty":750,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.68317279383382,"irt_users":389,"is_experimental":true},"dwango2016qual_c":{"difficulty":2384,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.710993126851825,"irt_users":389,"is_experimental":true,"slope":-0.0009524400067552748,"intercept":10.06662869025812,"variance":0.10247092525350111},"dwango2016qual_d":{"slope":-0.0008590508219857616,"intercept":9.634628832560574,"variance":0.16855544111544357,"difficulty":2233,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.967422999515996,"irt_users":389,"is_experimental":true},"dwango2016qual_e":{"difficulty":3144,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.893069720240464,"irt_users":389,"is_experimental":true},"discovery_2016_qual_a":{"slope":-0.0011334304199103842,"intercept":7.856617242245528,"variance":0.8220483188029731,"difficulty":193,"discrimination":0.004479398673070138,"irt_loglikelihood":-67.59649841047688,"irt_users":378,"is_experimental":true},"discovery_2016_qual_b":{"slope":-0.0009812214175796512,"intercept":9.561039578979141,"variance":0.3530581564929647,"difficulty":1765,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.82661182458627,"irt_users":378,"is_experimental":true},"discovery_2016_qual_c":{"difficulty":2527,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.057735338385893,"irt_users":378,"is_experimental":true,"slope":-0.0002906823251647026,"intercept":8.385760297688021,"variance":0.13802723372007028},"discovery_2016_qual_d":{"difficulty":3116,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.899969450710554,"irt_users":378,"is_experimental":true},"dwango2016final_a":{"is_experimental":true,"slope":-0.0010895859501610901,"intercept":9.959123201726117,"variance":0.34394834678857933},"dwango2016final_b":{"is_experimental":true,"slope":-0.000950037091055639,"intercept":10.041641682182775,"variance":0.19425585635995385},"dwango2016final_c":{"is_experimental":true},"dwango2016final_d":{"is_experimental":true},"discovery_2016_final_a":{"slope":-0.0006742670615023049,"intercept":7.631698221624998,"variance":0.29883237459036555,"is_experimental":true},"discovery_2016_final_b":{"difficulty":1773,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.016798632266294,"irt_users":98,"is_experimental":true,"slope":-0.0013221872605163835,"intercept":10.347620704033154,"variance":0.3504463091413986},"discovery_2016_final_c":{"difficulty":2266,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.721845883275218,"irt_users":98,"is_experimental":true,"slope":-0.001802740142580088,"intercept":12.363057706816361,"variance":0.22920708323674857},"discovery_2016_final_d":{"difficulty":2652,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.144669406103691,"irt_users":98,"is_experimental":true},"mujin_pc_2016_a":{"slope":-0.0010474829260358426,"intercept":7.032119739427546,"variance":0.8138154140450771,"difficulty":-312,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.965336864572826,"irt_users":449,"is_experimental":true},"mujin_pc_2016_b":{"slope":-0.000910062563581729,"intercept":8.291613835185146,"variance":0.5529032803228561,"difficulty":958,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.30039044432243,"irt_users":449,"is_experimental":true},"mujin_pc_2016_c":{"slope":-0.0010222501472440194,"intercept":9.510524321660602,"variance":0.32385083108252033,"difficulty":2093,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.93539338157245,"irt_users":449,"is_experimental":true},"mujin_pc_2016_d":{"difficulty":2404,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.537143988096176,"irt_users":449,"is_experimental":true,"slope":-0.0002674159151718598,"intercept":8.545707686896165,"variance":0.14761156104842657},"mujin_pc_2016_e":{"difficulty":3102,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.85463660348383,"irt_users":449,"is_experimental":true},"panasonic2020_a":{"slope":-0.0007866079433895437,"intercept":5.896229403650548,"variance":0.8298825696334877,"difficulty":-888,"discrimination":0.004479398673070138,"irt_loglikelihood":-494.71990610937854,"irt_users":5999,"is_experimental":false},"panasonic2020_b":{"slope":-0.0006220673127002654,"intercept":7.642747077634348,"variance":0.39958471860619144,"difficulty":168,"discrimination":0.004479398673070138,"irt_loglikelihood":-3194.3056281543913,"irt_users":5999,"is_experimental":false},"panasonic2020_c":{"slope":-0.0008057835025072957,"intercept":8.129317658344346,"variance":0.6499290023912803,"difficulty":701,"discrimination":0.004479398673070138,"irt_loglikelihood":-3506.7661787975358,"irt_users":5999,"is_experimental":false},"panasonic2020_d":{"slope":-0.0010220838603607289,"intercept":8.74482640527405,"variance":0.39195366633469375,"difficulty":1102,"discrimination":0.004479398673070138,"irt_loglikelihood":-2025.3042409987893,"irt_users":5999,"is_experimental":false},"panasonic2020_e":{"slope":-0.0004478253852356486,"intercept":8.840337228769112,"variance":0.2696513511452754,"difficulty":2309,"discrimination":0.004479398673070138,"irt_loglikelihood":-368.8047355056339,"irt_users":5999,"is_experimental":false},"panasonic2020_f":{"difficulty":2834,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.909950392265,"irt_users":5999,"is_experimental":false,"slope":-0.00031959555656761355,"intercept":8.96052959653472,"variance":0.0997125528565235},"agc043_a":{"slope":-0.0009173260802270318,"intercept":9.001965703019499,"variance":0.40075656894957434,"difficulty":934,"discrimination":0.004479398673070138,"irt_loglikelihood":-1338.6847325085128,"irt_users":3102,"is_experimental":false},"agc043_b":{"slope":-0.0008274746479098717,"intercept":9.852419569563702,"variance":0.3152548898973515,"difficulty":1945,"discrimination":0.004479398673070138,"irt_loglikelihood":-808.6832148287216,"irt_users":3102,"is_experimental":false},"agc043_c":{"slope":-0.00043820096585750153,"intercept":9.217822221170174,"variance":0.23317422767504156,"difficulty":2872,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.20309824078564,"irt_users":3102,"is_experimental":false},"agc043_d":{"slope":-0.0007135050909463825,"intercept":9.876969676734948,"variance":0.26179017914894825,"difficulty":2708,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.23564957228822,"irt_users":3102,"is_experimental":false},"agc043_e":{"difficulty":3505,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.081737667725804,"irt_users":3102,"is_experimental":false,"slope":-0.00004616184725820234,"intercept":8.178893320737556,"variance":0.13510885987321772},"agc043_f":{"difficulty":4347,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.220681838137406,"irt_users":3102,"is_experimental":false},"abc159_a":{"slope":-0.0011118115928624083,"intercept":6.67282156653149,"variance":0.6213931662463609,"difficulty":-612,"discrimination":0.004479398673070138,"irt_loglikelihood":-786.3859707871851,"irt_users":7301,"is_experimental":false},"abc159_b":{"slope":-0.0009531092885211663,"intercept":7.300874726653055,"variance":0.3542956450253889,"difficulty":-190,"discrimination":0.004479398673070138,"irt_loglikelihood":-1726.0196842975638,"irt_users":7301,"is_experimental":false},"abc159_c":{"slope":-0.0010330608110246334,"intercept":6.863447052687345,"variance":0.7035176107243944,"difficulty":-104,"discrimination":0.004479398673070138,"irt_loglikelihood":-2137.712772571452,"irt_users":7464,"is_experimental":false},"abc159_d":{"slope":-0.0012671897544768876,"intercept":8.164774545183818,"variance":0.409361413460037,"difficulty":496,"discrimination":0.004479398673070138,"irt_loglikelihood":-2588.0243487463904,"irt_users":7464,"is_experimental":false},"abc159_e":{"slope":-0.0008927017980395127,"intercept":9.116666246318854,"variance":0.22565800473721276,"difficulty":1450,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.701226735327,"irt_users":7464,"is_experimental":false},"abc159_f":{"slope":-0.0007010904111750382,"intercept":8.66491286064364,"variance":0.3162697507487108,"difficulty":1876,"discrimination":0.004479398673070138,"irt_loglikelihood":-779.984556233332,"irt_users":7464,"is_experimental":false},"abc160_a":{"slope":-0.0008547409221681635,"intercept":5.822816003997009,"variance":0.8059578766558435,"difficulty":-986,"discrimination":0.004479398673070138,"irt_loglikelihood":-535.2542263813256,"irt_users":8304,"is_experimental":false},"abc160_b":{"slope":-0.0007911723440256562,"intercept":6.127542946978617,"variance":0.3456605814447636,"difficulty":-811,"discrimination":0.004479398673070138,"irt_loglikelihood":-717.4749341525034,"irt_users":8304,"is_experimental":false},"abc160_c":{"slope":-0.001110407163457217,"intercept":7.520724674053696,"variance":0.4771624045526234,"difficulty":62,"discrimination":0.004479398673070138,"irt_loglikelihood":-3291.929162462916,"irt_users":8500,"is_experimental":false},"abc160_d":{"slope":-0.0009374882670633778,"intercept":8.396537830369258,"variance":0.35782446466928475,"difficulty":879,"discrimination":0.004479398673070138,"irt_loglikelihood":-3488.237950327311,"irt_users":8500,"is_experimental":false},"abc160_e":{"slope":-0.0006650729342888941,"intercept":8.150096024445777,"variance":0.3931582084309183,"difficulty":1036,"discrimination":0.004479398673070138,"irt_loglikelihood":-3039.8226942073543,"irt_users":8500,"is_experimental":false},"abc160_f":{"slope":-0.0004527893755455311,"intercept":8.57903635832642,"variance":0.3188990275641276,"difficulty":2048,"discrimination":0.004479398673070138,"irt_loglikelihood":-568.8377357093312,"irt_users":8500,"is_experimental":false},"abc161_a":{"slope":-0.0008972838642971547,"intercept":5.913291445461096,"variance":0.79443030941477,"difficulty":-1083,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.70276456868794,"irt_users":8525,"is_experimental":false},"abc161_b":{"slope":-0.0009779909050659722,"intercept":7.15185973896571,"variance":0.5040298862748016,"difficulty":-148,"discrimination":0.004479398673070138,"irt_loglikelihood":-2548.56645228828,"irt_users":8525,"is_experimental":false},"abc161_c":{"slope":-0.001013175862213234,"intercept":7.225015514465963,"variance":0.663092558011477,"difficulty":4,"discrimination":0.004479398673070138,"irt_loglikelihood":-2943.427485885012,"irt_users":8723,"is_experimental":false},"abc161_d":{"slope":-0.0006935797896644361,"intercept":8.314941209256908,"variance":0.3387440154495424,"difficulty":991,"discrimination":0.004479398673070138,"irt_loglikelihood":-3547.2263138924686,"irt_users":8723,"is_experimental":false},"abc161_e":{"slope":-0.0005271626794074472,"intercept":8.347480473458663,"variance":0.29963003186334175,"difficulty":1760,"discrimination":0.004479398673070138,"irt_loglikelihood":-1100.7305103985398,"irt_users":8723,"is_experimental":false},"abc161_f":{"slope":-0.0007143977018805695,"intercept":8.649881827338982,"variance":0.32808812566055234,"difficulty":1528,"discrimination":0.004479398673070138,"irt_loglikelihood":-1631.734937027746,"irt_users":8723,"is_experimental":false},"abc162_a":{"slope":-0.0010357533618943606,"intercept":6.314962146446822,"variance":1.2814319636088956,"difficulty":-778,"discrimination":0.004479398673070138,"irt_loglikelihood":-979.0894663124757,"irt_users":9164,"is_experimental":false},"abc162_b":{"slope":-0.0009557509794094242,"intercept":6.448323781825181,"variance":1.0403194145512002,"difficulty":-504,"discrimination":0.004479398673070138,"irt_loglikelihood":-1654.0146547648728,"irt_users":9164,"is_experimental":false},"abc162_c":{"slope":-0.0010823283587320463,"intercept":7.086867729029162,"variance":0.9738048508640493,"difficulty":34,"discrimination":0.004479398673070138,"irt_loglikelihood":-3695.3145771096906,"irt_users":9359,"is_experimental":false},"abc162_d":{"slope":-0.001085156558392006,"intercept":8.47458261795675,"variance":0.40300032211240266,"difficulty":757,"discrimination":0.004479398673070138,"irt_loglikelihood":-3394.0007927285337,"irt_users":9359,"is_experimental":false},"abc162_e":{"slope":-0.0008295107863709509,"intercept":8.560670810937157,"variance":0.5486499209764737,"difficulty":1662,"discrimination":0.004479398673070138,"irt_loglikelihood":-1271.9892489874608,"irt_users":9359,"is_experimental":false},"abc162_f":{"slope":-0.0004827894648390745,"intercept":8.532625703431343,"variance":0.31232887986531244,"difficulty":1764,"discrimination":0.004479398673070138,"irt_loglikelihood":-1131.4016297337666,"irt_users":9359,"is_experimental":false},"abc163_a":{"slope":-0.0005361544896286734,"intercept":6.286441465352682,"variance":0.6478166602397073,"is_experimental":false},"abc163_b":{"slope":-0.0007032028670413984,"intercept":6.2414512332197605,"variance":0.39690014086818526,"is_experimental":false},"abc163_c":{"slope":-0.0009883689814667975,"intercept":6.961062538238832,"variance":0.4450729921503031,"difficulty":125,"discrimination":0.004479398673070138,"irt_loglikelihood":-3452.848297681914,"irt_users":8871,"is_experimental":false},"abc163_d":{"slope":-0.0009454412154604588,"intercept":8.390740115762569,"variance":0.3178955815045431,"difficulty":960,"discrimination":0.004479398673070138,"irt_loglikelihood":-4159.901428450193,"irt_users":8871,"is_experimental":false},"abc163_e":{"slope":-0.0006704448558877955,"intercept":8.734960200240472,"variance":0.3563859698195849,"difficulty":2037,"discrimination":0.004479398673070138,"irt_loglikelihood":-784.8652693657624,"irt_users":8871,"is_experimental":false},"abc163_f":{"slope":-0.00026319075464170915,"intercept":8.49996021613328,"variance":0.15015584269759255,"difficulty":2470,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.84571588306352,"irt_users":8871,"is_experimental":false},"abc164_a":{"slope":-0.0007490886758105853,"intercept":5.60456093567555,"variance":0.9083429226868615,"difficulty":-1160,"discrimination":0.004479398673070138,"irt_loglikelihood":-423.51344138848333,"irt_users":9201,"is_experimental":false},"abc164_b":{"slope":-0.0008013857135807659,"intercept":6.449620388360465,"variance":0.4726798932791846,"difficulty":-532,"discrimination":0.004479398673070138,"irt_loglikelihood":-1645.3519690628866,"irt_users":9201,"is_experimental":false},"abc164_c":{"slope":-0.0011045448760473907,"intercept":6.306170413913781,"variance":0.7456607992956814,"difficulty":-241,"discrimination":0.004479398673070138,"irt_loglikelihood":-2484.264854198733,"irt_users":9389,"is_experimental":false},"abc164_d":{"slope":-0.0011101266922461381,"intercept":8.790893521008778,"variance":0.5348233083354358,"difficulty":1232,"discrimination":0.004479398673070138,"irt_loglikelihood":-2487.3120671041715,"irt_users":9389,"is_experimental":false},"abc164_e":{"slope":-0.0008765770429666908,"intercept":9.249431151679046,"variance":0.2537114391292682,"difficulty":1877,"discrimination":0.004479398673070138,"irt_loglikelihood":-789.7264252372072,"irt_users":9389,"is_experimental":false},"abc164_f":{"slope":-0.00004247958404253163,"intercept":8.219323316893059,"variance":0.10830630282808422,"difficulty":2683,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.40398223912737,"irt_users":9389,"is_experimental":false},"abc165_a":{"slope":-0.0009328240780775833,"intercept":6.411145253805742,"variance":0.7701480439703657,"difficulty":-708,"discrimination":0.004479398673070138,"irt_loglikelihood":-1279.4849075728532,"irt_users":10214,"is_experimental":false},"abc165_b":{"slope":-0.0007820711011175003,"intercept":6.556532607397166,"variance":0.6216261597249867,"difficulty":-200,"discrimination":0.004479398673070138,"irt_loglikelihood":-3310.447823359961,"irt_users":10214,"is_experimental":false},"abc165_c":{"slope":-0.0008303281486937013,"intercept":8.269833365465523,"variance":0.3088584759583217,"difficulty":1136,"discrimination":0.004479398673070138,"irt_loglikelihood":-4209.672961531598,"irt_users":10425,"is_experimental":false},"abc165_d":{"slope":-0.000747468929116991,"intercept":8.168651630978573,"variance":0.44434582835395053,"difficulty":600,"discrimination":0.004479398673070138,"irt_loglikelihood":-5416.709812358762,"irt_users":10425,"is_experimental":false},"abc165_e":{"slope":-0.00039857202775999724,"intercept":8.32111571310872,"variance":0.25644050949735486,"difficulty":1620,"discrimination":0.004479398673070138,"irt_loglikelihood":-2010.5024471184256,"irt_users":10425,"is_experimental":false},"abc165_f":{"slope":-0.0006052249491960857,"intercept":8.569650310883985,"variance":0.3384744788475539,"difficulty":1843,"discrimination":0.004479398673070138,"irt_loglikelihood":-968.324833170084,"irt_users":10425,"is_experimental":false},"abc166_a":{"slope":-0.0008494751996566923,"intercept":5.520600283012742,"variance":0.8284946454291516,"difficulty":-1125,"discrimination":0.004479398673070138,"irt_loglikelihood":-516.6043526453237,"irt_users":10805,"is_experimental":false},"abc166_b":{"slope":-0.001221730647141709,"intercept":7.0468709344127785,"variance":0.3919908819951524,"difficulty":-224,"discrimination":0.004479398673070138,"irt_loglikelihood":-2450.2750610827447,"irt_users":10805,"is_experimental":false},"abc166_c":{"slope":-0.0011621756233479838,"intercept":7.772770726354707,"variance":0.4460812511319455,"difficulty":233,"discrimination":0.004479398673070138,"irt_loglikelihood":-4382.99968095496,"irt_users":11014,"is_experimental":false},"abc166_d":{"slope":-0.0008118208858775605,"intercept":8.07721690433242,"variance":0.4583211126236561,"difficulty":694,"discrimination":0.004479398673070138,"irt_loglikelihood":-5060.710176747621,"irt_users":11014,"is_experimental":false},"abc166_e":{"slope":-0.0010148581241845526,"intercept":8.39329624163275,"variance":0.448765942287893,"difficulty":1062,"discrimination":0.004479398673070138,"irt_loglikelihood":-3019.2314141908973,"irt_users":11014,"is_experimental":false},"abc166_f":{"slope":-0.00012670286594675454,"intercept":7.992451437892026,"variance":0.19841671814479736,"difficulty":1668,"discrimination":0.004479398673070138,"irt_loglikelihood":-1493.4504110067717,"irt_users":11014,"is_experimental":false},"abc167_a":{"slope":-0.0010253892437560334,"intercept":6.304038115796099,"variance":0.6873125330375647,"difficulty":-765,"discrimination":0.004479398673070138,"irt_loglikelihood":-994.6261739897081,"irt_users":10571,"is_experimental":false},"abc167_b":{"slope":-0.0010423810539658622,"intercept":6.884748304514334,"variance":0.5666967835889615,"difficulty":-379,"discrimination":0.004479398673070138,"irt_loglikelihood":-2414.967230317645,"irt_users":10571,"is_experimental":false},"abc167_c":{"slope":-0.001225032060722309,"intercept":8.179501035462204,"variance":0.32738994983960695,"difficulty":595,"discrimination":0.004479398673070138,"irt_loglikelihood":-4150.446895013975,"irt_users":10763,"is_experimental":false},"abc167_d":{"slope":-0.0011171452424969712,"intercept":8.618915600629128,"variance":0.33357404243648275,"difficulty":754,"discrimination":0.004479398673070138,"irt_loglikelihood":-4000.9116910907733,"irt_users":10763,"is_experimental":false},"abc167_e":{"slope":-0.0008926418512911364,"intercept":8.623519378934335,"variance":0.3576066801437567,"difficulty":1442,"discrimination":0.004479398673070138,"irt_loglikelihood":-1882.0353085771706,"irt_users":10763,"is_experimental":false},"abc167_f":{"slope":-0.0005409650834449905,"intercept":8.83485583511557,"variance":0.2878498433594192,"difficulty":1961,"discrimination":0.004479398673070138,"irt_loglikelihood":-766.2905643577292,"irt_users":10763,"is_experimental":false},"abc168_a":{"slope":-0.0008279202288567339,"intercept":6.226376010080179,"variance":0.5642149049976927,"difficulty":-997,"discrimination":0.004479398673070138,"irt_loglikelihood":-523.2699905691196,"irt_users":9695,"is_experimental":false},"abc168_b":{"slope":-0.0008773560338147436,"intercept":5.971082356391662,"variance":0.49719547768594274,"difficulty":-769,"discrimination":0.004479398673070138,"irt_loglikelihood":-897.8482296293959,"irt_users":9695,"is_experimental":false},"abc168_c":{"slope":-0.0008002589028636544,"intercept":7.769038976674827,"variance":0.3771559888959316,"difficulty":178,"discrimination":0.004479398673070138,"irt_loglikelihood":-5394.109564408199,"irt_users":9896,"is_experimental":false},"abc168_d":{"slope":-0.0011120856164500304,"intercept":8.421621444353223,"variance":0.3541331598110092,"difficulty":804,"discrimination":0.004479398673070138,"irt_loglikelihood":-3295.3888237446836,"irt_users":9896,"is_experimental":false},"abc168_e":{"slope":-0.0007489800381097721,"intercept":9.368471494114536,"variance":0.20246619097948823,"difficulty":1896,"discrimination":0.004479398673070138,"irt_loglikelihood":-790.4749193410768,"irt_users":9896,"is_experimental":false},"abc168_f":{"slope":-0.0003263735996285776,"intercept":8.623863957779763,"variance":0.17025738571612084,"difficulty":2478,"discrimination":0.004479398673070138,"irt_loglikelihood":-212.1269167442722,"irt_users":9896,"is_experimental":false},"agc044_a":{"slope":-0.0006045337446018491,"intercept":9.149208009507149,"variance":0.3456186693801976,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-753.7603384352191,"irt_users":1870,"is_experimental":false},"agc044_b":{"slope":-0.0006942120097372097,"intercept":9.417645098345188,"variance":0.3758040350624041,"difficulty":1883,"discrimination":0.004479398673070138,"irt_loglikelihood":-688.5730708475543,"irt_users":1870,"is_experimental":false},"agc044_c":{"slope":-0.00031979082729223035,"intercept":8.96127120865903,"variance":0.2999454622516049,"difficulty":2889,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.30049417387303,"irt_users":1870,"is_experimental":false},"agc044_d":{"slope":-0.0004985867414142726,"intercept":9.744329556275893,"variance":0.17574933222022562,"difficulty":3165,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.01380634889722,"irt_users":1870,"is_experimental":false},"agc044_e":{"difficulty":3599,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.366588046983615,"irt_users":1870,"is_experimental":false,"slope":-0.0008138678012448129,"intercept":10.963809210599504,"variance":0.14795852647760271},"agc044_f":{"is_experimental":false},"nomura2020_a":{"slope":-0.0007568978520498002,"intercept":6.456446058639967,"variance":0.7349915699858377,"difficulty":-692,"discrimination":0.004479398673070138,"irt_loglikelihood":-657.6105418459008,"irt_users":5645,"is_experimental":false},"nomura2020_b":{"slope":-0.0008756439917004593,"intercept":7.086054673137681,"variance":0.6893591676555237,"difficulty":-144,"discrimination":0.004479398673070138,"irt_loglikelihood":-1307.7049584517847,"irt_users":5645,"is_experimental":false},"nomura2020_c":{"slope":-0.0007077129714764,"intercept":9.044009639939132,"variance":0.3137471019319083,"difficulty":1253,"discrimination":0.004479398673070138,"irt_loglikelihood":-1959.8900549196921,"irt_users":5645,"is_experimental":false},"nomura2020_d":{"slope":-0.0004936487380466172,"intercept":9.242585037148666,"variance":0.15614619215260284,"difficulty":2810,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.18379428579425,"irt_users":5645,"is_experimental":false},"nomura2020_e":{"slope":-0.0003190204437597412,"intercept":8.887239474128373,"variance":0.1668610852781395,"difficulty":2861,"discrimination":0.004479398673070138,"irt_loglikelihood":-229.69527877134473,"irt_users":5645,"is_experimental":false},"nomura2020_f":{"difficulty":3097,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.80131479784399,"irt_users":5645,"is_experimental":false,"slope":-0.0007425000677770408,"intercept":10.162643475999532,"variance":0.17772297818730143},"abc169_a":{"slope":-0.0008874799005933982,"intercept":5.136568517553134,"variance":1.250298522274197,"difficulty":-1205,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.51408687992165,"irt_users":10024,"is_experimental":false},"abc169_b":{"slope":-0.000973759589809627,"intercept":7.797162696869074,"variance":0.8177062219695032,"difficulty":349,"discrimination":0.004479398673070138,"irt_loglikelihood":-4938.506962101612,"irt_users":10024,"is_experimental":false},"abc169_c":{"slope":-0.0009750042934182497,"intercept":7.865921480380302,"variance":0.889873859332956,"difficulty":597,"discrimination":0.004479398673070138,"irt_loglikelihood":-6237.342528592403,"irt_users":10220,"is_experimental":false},"abc169_d":{"slope":-0.0011508156840134987,"intercept":8.386858878488605,"variance":0.42375937085939225,"difficulty":732,"discrimination":0.004479398673070138,"irt_loglikelihood":-4064.9867353931,"irt_users":10220,"is_experimental":false},"abc169_e":{"slope":-0.0006700188879441345,"intercept":8.083666648509684,"variance":0.45908324752673,"difficulty":1353,"discrimination":0.004479398673070138,"irt_loglikelihood":-2588.7677087952384,"irt_users":10220,"is_experimental":false},"abc169_f":{"slope":-0.0010130252975724726,"intercept":8.967198782945097,"variance":0.41263473865176514,"difficulty":1698,"discrimination":0.004479398673070138,"irt_loglikelihood":-1079.079383463815,"irt_users":10220,"is_experimental":false},"agc045_a":{"slope":-0.0011462976753355055,"intercept":10.264246873449101,"variance":0.4922808645632507,"difficulty":2070,"discrimination":0.004479398673070138,"irt_loglikelihood":-420.3718908693722,"irt_users":1199,"is_experimental":false},"agc045_b":{"slope":-0.0006366229928532196,"intercept":9.838588649482373,"variance":0.39778481290616546,"difficulty":2873,"discrimination":0.004479398673070138,"irt_loglikelihood":-231.484733185376,"irt_users":1199,"is_experimental":false},"agc045_c":{"slope":-0.0004895919114461054,"intercept":9.706074089017285,"variance":0.21902460593209516,"difficulty":2758,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.6438558736547,"irt_users":1199,"is_experimental":false},"agc045_d":{"difficulty":3625,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.12044154428473,"irt_users":1199,"is_experimental":false,"slope":-0.0001916541170523971,"intercept":9.037118167955246,"variance":0.03246945355157229},"agc045_e":{"is_experimental":false},"agc045_f":{"difficulty":4383,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.510396407899631,"irt_users":1199,"is_experimental":false},"tokiomarine2020_a":{"slope":-0.0008009977106092051,"intercept":5.566116969927083,"variance":1.0511905648134294,"difficulty":-942,"discrimination":0.004479398673070138,"irt_loglikelihood":-342.36755698910645,"irt_users":5539,"is_experimental":false},"tokiomarine2020_b":{"slope":-0.0010065350133807497,"intercept":7.415823997307005,"variance":0.7501020975663197,"difficulty":114,"discrimination":0.004479398673070138,"irt_loglikelihood":-2030.8193311043376,"irt_users":5539,"is_experimental":false},"tokiomarine2020_c":{"slope":-0.0009383972976788974,"intercept":9.080691372651296,"variance":0.32367499396880484,"difficulty":1274,"discrimination":0.004479398673070138,"irt_loglikelihood":-1681.7875985208318,"irt_users":5539,"is_experimental":false},"tokiomarine2020_d":{"slope":-0.0007127136562735034,"intercept":9.632731565472053,"variance":0.24879920622931503,"difficulty":2158,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.1179332463158,"irt_users":5539,"is_experimental":false},"tokiomarine2020_e":{"slope":-0.0008107539935074976,"intercept":10.006281481804827,"variance":0.20563111241340445,"difficulty":2756,"discrimination":0.004479398673070138,"irt_loglikelihood":-165.29361248670187,"irt_users":5539,"is_experimental":false},"tokiomarine2020_f":{"difficulty":3385,"discrimination":0.004479398673070138,"irt_loglikelihood":-33.5188700219737,"irt_users":5539,"is_experimental":false,"slope":-0.0007263527804676638,"intercept":10.363482202537067,"variance":0.16340553403623542},"abc170_a":{"slope":-0.0009439911501029346,"intercept":5.947158936594393,"variance":0.7394842300677735,"difficulty":-1143,"discrimination":0.004479398673070138,"irt_loglikelihood":-399.65056631252924,"irt_users":9436,"is_experimental":false},"abc170_b":{"slope":-0.001112224003377372,"intercept":6.772404300834699,"variance":0.6020220104867714,"difficulty":-414,"discrimination":0.004479398673070138,"irt_loglikelihood":-1715.9772501395526,"irt_users":9436,"is_experimental":false},"abc170_c":{"slope":-0.001214868094460264,"intercept":7.7010523255053664,"variance":0.47505477435438187,"difficulty":15,"discrimination":0.004479398673070138,"irt_loglikelihood":-2934.235019968904,"irt_users":9595,"is_experimental":false},"abc170_d":{"slope":-0.0009575124066540039,"intercept":8.476143481316916,"variance":0.4972037356079722,"difficulty":1033,"discrimination":0.004479398673070138,"irt_loglikelihood":-3510.2641523135308,"irt_users":9595,"is_experimental":false},"abc170_e":{"slope":-0.000737705670907139,"intercept":8.706355261731597,"variance":0.2804785760251814,"difficulty":1502,"discrimination":0.004479398673070138,"irt_loglikelihood":-1582.0689159323304,"irt_users":9595,"is_experimental":false},"abc170_f":{"slope":-0.00028589666322389036,"intercept":8.345114190461997,"variance":0.24901209903366822,"difficulty":1968,"discrimination":0.004479398673070138,"irt_loglikelihood":-751.0292161479463,"irt_users":9595,"is_experimental":false},"agc046_a":{"slope":-0.0009772209052477212,"intercept":7.6578514669544555,"variance":1.0084004127069641,"difficulty":246,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.2779987309926,"irt_users":2481,"is_experimental":false},"agc046_b":{"slope":-0.000720716464666503,"intercept":9.213359724331687,"variance":0.38935273786415936,"difficulty":1588,"discrimination":0.004479398673070138,"irt_loglikelihood":-901.0332178961385,"irt_users":2481,"is_experimental":false},"agc046_c":{"slope":-0.0006391658368021906,"intercept":9.546185396616945,"variance":0.23600998416468685,"difficulty":2130,"discrimination":0.004479398673070138,"irt_loglikelihood":-427.0380182599911,"irt_users":2481,"is_experimental":false},"agc046_d":{"slope":-0.0004401419426646393,"intercept":9.443326777066297,"variance":0.11460191868845501,"difficulty":2911,"discrimination":0.004479398673070138,"irt_loglikelihood":-133.36240308175076,"irt_users":2481,"is_experimental":false},"agc046_e":{"difficulty":3772,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.63265463804967,"irt_users":2481,"is_experimental":false,"slope":-0.0000068177651435631105,"intercept":8.458503394540536,"variance":0.12537489048714154},"agc046_f":{"difficulty":3854,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.173742416527087,"irt_users":2481,"is_experimental":false,"slope":-0.0009986135854946803,"intercept":11.637693831761364,"variance":0.012625185257623546},"abc171_a":{"slope":-0.0009431176102951649,"intercept":5.914246725760193,"variance":0.7914709314272967,"difficulty":-1086,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.7619021021982,"irt_users":9407,"is_experimental":false},"abc171_b":{"slope":-0.0009565653219376626,"intercept":5.8849677525601365,"variance":0.46840771595298575,"difficulty":-765,"discrimination":0.004479398673070138,"irt_loglikelihood":-818.222449823134,"irt_users":9407,"is_experimental":false},"abc171_c":{"slope":-0.0007058094384005697,"intercept":7.923469370647532,"variance":0.5154956367555902,"difficulty":560,"discrimination":0.004479398673070138,"irt_loglikelihood":-5404.522590155447,"irt_users":9578,"is_experimental":false},"abc171_d":{"slope":-0.0011108242233124185,"intercept":7.94066776815296,"variance":0.6133738762481168,"difficulty":498,"discrimination":0.004479398673070138,"irt_loglikelihood":-3641.7528673061647,"irt_users":9578,"is_experimental":false},"abc171_e":{"slope":-0.0009610117797162281,"intercept":7.549698819814072,"variance":0.5900580969311119,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-3576.311213678141,"irt_users":9578,"is_experimental":false},"abc171_f":{"slope":-0.0008566516570936648,"intercept":9.07543808883722,"variance":0.2932537788379417,"difficulty":1795,"discrimination":0.004479398673070138,"irt_loglikelihood":-939.1661977106079,"irt_users":9578,"is_experimental":false},"abc172_a":{"slope":-0.0009372051525080148,"intercept":5.261378097379775,"variance":1.0678130811514706,"difficulty":-1208,"discrimination":0.004479398673070138,"irt_loglikelihood":-424.51967266545495,"irt_users":9030,"is_experimental":false},"abc172_b":{"slope":-0.0009183703587179096,"intercept":5.711604958338279,"variance":0.4294549076649856,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-848.8419705628048,"irt_users":9030,"is_experimental":false},"abc172_c":{"slope":-0.001295307965048811,"intercept":8.909804495037237,"variance":0.4597584253898538,"difficulty":930,"discrimination":0.004479398673070138,"irt_loglikelihood":-2968.568645568889,"irt_users":9188,"is_experimental":false},"abc172_d":{"slope":-0.0013089519213070743,"intercept":8.57107398733917,"variance":0.6295418526851755,"difficulty":963,"discrimination":0.004479398673070138,"irt_loglikelihood":-3659.269265114449,"irt_users":9188,"is_experimental":false},"abc172_e":{"slope":-0.000927954757576166,"intercept":9.030269713912187,"variance":0.38868673870748305,"difficulty":1880,"discrimination":0.004479398673070138,"irt_loglikelihood":-920.8819347763388,"irt_users":9188,"is_experimental":false},"abc172_f":{"slope":-0.0003713089494116203,"intercept":8.60208501930945,"variance":0.19578133798668007,"difficulty":2216,"discrimination":0.004479398673070138,"irt_loglikelihood":-380.82218716753107,"irt_users":9188,"is_experimental":false},"abc173_a":{"slope":-0.0009622272217298871,"intercept":6.272218910300897,"variance":0.7873661711013737,"difficulty":-1005,"discrimination":0.004479398673070138,"irt_loglikelihood":-615.8173300393514,"irt_users":9523,"is_experimental":false},"abc173_b":{"slope":-0.000811381703285564,"intercept":6.3801929939551165,"variance":0.3141144529514482,"difficulty":-710,"discrimination":0.004479398673070138,"irt_loglikelihood":-1056.864922211032,"irt_users":9523,"is_experimental":false},"abc173_c":{"slope":-0.001387670266095369,"intercept":8.471804793586465,"variance":0.3226223353769506,"difficulty":653,"discrimination":0.004479398673070138,"irt_loglikelihood":-3822.341112349219,"irt_users":9693,"is_experimental":false},"abc173_d":{"slope":-0.0007976292014969545,"intercept":8.11617105422058,"variance":0.314796443743712,"difficulty":720,"discrimination":0.004479398673070138,"irt_loglikelihood":-4138.969331057054,"irt_users":9693,"is_experimental":false},"abc173_e":{"slope":-0.00021738701673859164,"intercept":8.262171328571647,"variance":0.2763212040294568,"difficulty":1607,"discrimination":0.004479398673070138,"irt_loglikelihood":-1796.882979253665,"irt_users":9693,"is_experimental":false},"abc173_f":{"slope":-0.0008093880035187559,"intercept":8.658900107804515,"variance":0.48469312898752487,"difficulty":1892,"discrimination":0.004479398673070138,"irt_loglikelihood":-806.3139510196108,"irt_users":9693,"is_experimental":false},"aising2020_a":{"slope":-0.0009303156430090262,"intercept":5.962489794870246,"variance":0.825107898356339,"difficulty":-1008,"discrimination":0.004479398673070138,"irt_loglikelihood":-396.71208708391754,"irt_users":6948,"is_experimental":false},"aising2020_b":{"slope":-0.0008985719347246829,"intercept":6.027050994999218,"variance":0.4534022468113255,"difficulty":-774,"discrimination":0.004479398673070138,"irt_loglikelihood":-543.7057627988727,"irt_users":6948,"is_experimental":false},"aising2020_c":{"slope":-0.001208561066685675,"intercept":8.0588048245979,"variance":0.5423489487345106,"difficulty":377,"discrimination":0.004479398673070138,"irt_loglikelihood":-2747.865115363856,"irt_users":6948,"is_experimental":false},"aising2020_d":{"slope":-0.0008227730928566332,"intercept":9.155274611024792,"variance":0.20896492799577257,"difficulty":1337,"discrimination":0.004479398673070138,"irt_loglikelihood":-1658.016227570618,"irt_users":6948,"is_experimental":false},"aising2020_e":{"slope":-0.0004508022375612221,"intercept":8.616451523198327,"variance":0.22691807237377398,"difficulty":2133,"discrimination":0.004479398673070138,"irt_loglikelihood":-564.1639687926784,"irt_users":6948,"is_experimental":false},"aising2020_f":{"difficulty":2742,"discrimination":0.004479398673070138,"irt_loglikelihood":-113.69523403380921,"irt_users":6948,"is_experimental":false,"slope":-0.0003640233329611515,"intercept":8.780430537339901,"variance":0.1725673133281184},"m_solutions2020_a":{"slope":-0.0007589496112311682,"intercept":6.1353848600022785,"variance":0.5353297073025179,"difficulty":-1071,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.1424308459232,"irt_users":6073,"is_experimental":false},"m_solutions2020_b":{"slope":-0.0010015280609938814,"intercept":6.952506496858965,"variance":0.4393338348352959,"difficulty":-315,"discrimination":0.004479398673070138,"irt_loglikelihood":-1130.5993173952488,"irt_users":6073,"is_experimental":false},"m_solutions2020_c":{"slope":-0.001119563667973123,"intercept":7.468414121030491,"variance":0.5203534463015145,"difficulty":131,"discrimination":0.004479398673070138,"irt_loglikelihood":-1866.5497386187135,"irt_users":6073,"is_experimental":false},"m_solutions2020_d":{"slope":-0.000622122061077107,"intercept":7.928196351738959,"variance":0.5087558609502923,"difficulty":665,"discrimination":0.004479398673070138,"irt_loglikelihood":-2998.0568791321525,"irt_users":6073,"is_experimental":false},"m_solutions2020_e":{"slope":-0.0004636950829167586,"intercept":8.773392099503782,"variance":0.27637328769554653,"difficulty":2268,"discrimination":0.004479398673070138,"irt_loglikelihood":-396.856540360666,"irt_users":6073,"is_experimental":false},"m_solutions2020_f":{"slope":-0.0005856080365305108,"intercept":9.10342695588783,"variance":0.13772259289531033,"difficulty":2005,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.8259574902618,"irt_users":6073,"is_experimental":false},"abc174_a":{"slope":-0.0007696578415799646,"intercept":5.401541719199621,"variance":1.042929311256315,"difficulty":-1212,"discrimination":0.004479398673070138,"irt_loglikelihood":-301.8997998096647,"irt_users":8446,"is_experimental":false},"abc174_b":{"slope":-0.0010531571151678124,"intercept":6.419110093086962,"variance":0.495698825270393,"difficulty":-495,"discrimination":0.004479398673070138,"irt_loglikelihood":-1255.9748612806789,"irt_users":8446,"is_experimental":false},"abc174_c":{"slope":-0.0011147842669257423,"intercept":7.9812588851993835,"variance":0.5570162527873027,"difficulty":902,"discrimination":0.004479398673070138,"irt_loglikelihood":-3566.1717179469756,"irt_users":8651,"is_experimental":false},"abc174_d":{"slope":-0.0009831021774903933,"intercept":8.139057555050863,"variance":0.42989978037070165,"difficulty":486,"discrimination":0.004479398673070138,"irt_loglikelihood":-3646.3827982847247,"irt_users":8651,"is_experimental":false},"abc174_e":{"slope":-0.0010098901473400022,"intercept":8.475363553722097,"variance":0.5046906531520572,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-1971.3869100413908,"irt_users":8651,"is_experimental":false},"abc174_f":{"slope":-0.00041667037185629354,"intercept":7.93328083827759,"variance":0.5433903977235308,"difficulty":1495,"discrimination":0.004479398673070138,"irt_loglikelihood":-2256.6105479198445,"irt_users":8651,"is_experimental":false},"agc047_a":{"slope":-0.0010121482157023202,"intercept":9.654789237239758,"variance":0.3429802614079459,"difficulty":1592,"discrimination":0.004479398673070138,"irt_loglikelihood":-620.4853266096112,"irt_users":1669,"is_experimental":false},"agc047_b":{"slope":-0.0007652473351632765,"intercept":9.393221736024461,"variance":0.3415105707568443,"difficulty":1871,"discrimination":0.004479398673070138,"irt_loglikelihood":-572.0009260285782,"irt_users":1669,"is_experimental":false},"agc047_c":{"slope":-0.0008255919095016813,"intercept":9.658230533854768,"variance":0.3170148030252276,"difficulty":2496,"discrimination":0.004479398673070138,"irt_loglikelihood":-327.49544450529777,"irt_users":1669,"is_experimental":false},"agc047_d":{"slope":-0.0004056391906796506,"intercept":9.196613999189703,"variance":0.1958036632672256,"difficulty":2910,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.9700306724036,"irt_users":1669,"is_experimental":false},"agc047_e":{"slope":-0.00026546241208482877,"intercept":8.948679930503042,"variance":0.14980514403333742,"difficulty":2979,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.88315175046412,"irt_users":1669,"is_experimental":false},"agc047_f":{"difficulty":4066,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.303014631441009,"irt_users":1669,"is_experimental":false},"abc175_a":{"slope":-0.0009958120391260422,"intercept":6.622997455660251,"variance":0.6854614417771709,"difficulty":-746,"discrimination":0.004479398673070138,"irt_loglikelihood":-787.7739907665884,"irt_users":7596,"is_experimental":false},"abc175_b":{"slope":-0.0010414306960502592,"intercept":7.263782589672204,"variance":0.39452740333893616,"difficulty":-51,"discrimination":0.004479398673070138,"irt_loglikelihood":-2203.4967835931266,"irt_users":7596,"is_experimental":false},"abc175_c":{"slope":-0.0008871243319896972,"intercept":7.941204074302583,"variance":0.45334279517949966,"difficulty":417,"discrimination":0.004479398673070138,"irt_loglikelihood":-3645.155391032964,"irt_users":7766,"is_experimental":false},"abc175_d":{"slope":-0.0006309678023259395,"intercept":8.840515272737669,"variance":0.2406070570807806,"difficulty":1491,"discrimination":0.004479398673070138,"irt_loglikelihood":-1735.10382098793,"irt_users":7766,"is_experimental":false},"abc175_e":{"slope":-0.0007449032598768767,"intercept":8.667940030352115,"variance":0.38478131316557085,"difficulty":1554,"discrimination":0.004479398673070138,"irt_loglikelihood":-1470.0207232611624,"irt_users":7766,"is_experimental":false},"abc175_f":{"slope":-0.0005243068116551316,"intercept":9.05909523246665,"variance":0.14114639109099095,"difficulty":2512,"discrimination":0.004479398673070138,"irt_loglikelihood":-172.39273343237812,"irt_users":7766,"is_experimental":false},"abc176_a":{"slope":-0.0010218516071833416,"intercept":6.230741252982408,"variance":0.6841417805009896,"difficulty":-857,"discrimination":0.004479398673070138,"irt_loglikelihood":-666.7406480649835,"irt_users":8244,"is_experimental":false},"abc176_b":{"slope":-0.001095426752094535,"intercept":6.2751267479079615,"variance":0.6718635382638972,"difficulty":-420,"discrimination":0.004479398673070138,"irt_loglikelihood":-1446.5055482257887,"irt_users":8244,"is_experimental":false},"abc176_c":{"slope":-0.0010405122055445336,"intercept":6.727796498936286,"variance":0.4505009232012081,"difficulty":-288,"discrimination":0.004479398673070138,"irt_loglikelihood":-1741.3550840180426,"irt_users":8403,"is_experimental":false},"abc176_d":{"slope":-0.0009817222449796169,"intercept":8.957532073049848,"variance":0.3039802259043792,"difficulty":1248,"discrimination":0.004479398673070138,"irt_loglikelihood":-2130.454521652994,"irt_users":8403,"is_experimental":false},"abc176_e":{"slope":-0.0008681261836055716,"intercept":8.789949875807517,"variance":0.30758730401600176,"difficulty":1204,"discrimination":0.004479398673070138,"irt_loglikelihood":-2430.681249272954,"irt_users":8403,"is_experimental":false},"abc176_f":{"difficulty":2912,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.50201501393217,"irt_users":8403,"is_experimental":false,"slope":-0.00039070083584550464,"intercept":9.099507840002767,"variance":0.09255007248603181},"abc177_a":{"slope":-0.000941525666702279,"intercept":6.120161152179459,"variance":0.8764667401085297,"difficulty":-857,"discrimination":0.004479398673070138,"irt_loglikelihood":-805.4049964111454,"irt_users":8490,"is_experimental":false},"abc177_b":{"slope":-0.0011512095490275793,"intercept":7.360818831216528,"variance":0.5016986993720832,"difficulty":108,"discrimination":0.004479398673070138,"irt_loglikelihood":-2963.9480157375506,"irt_users":8490,"is_experimental":false},"abc177_c":{"slope":-0.0014121047945684266,"intercept":7.980582216862044,"variance":0.5719478721223828,"difficulty":386,"discrimination":0.004479398673070138,"irt_loglikelihood":-3195.6818801321465,"irt_users":8679,"is_experimental":false},"abc177_d":{"slope":-0.0012949172397786217,"intercept":7.962385892398408,"variance":0.5459826483375895,"difficulty":732,"discrimination":0.004479398673070138,"irt_loglikelihood":-3075.0006957177934,"irt_users":8679,"is_experimental":false},"abc177_e":{"slope":-0.000768955392089359,"intercept":8.340096826810628,"variance":0.4769148715573393,"difficulty":1057,"discrimination":0.004479398673070138,"irt_loglikelihood":-2587.951325951611,"irt_users":8679,"is_experimental":false},"abc177_f":{"slope":-0.0003997999042310156,"intercept":8.847518957528488,"variance":0.17571334628057372,"difficulty":2291,"discrimination":0.004479398673070138,"irt_loglikelihood":-340.15247460955004,"irt_users":8679,"is_experimental":false},"abc178_a":{"slope":-0.0008823646349760567,"intercept":5.3318438755137665,"variance":1.0904771643376114,"difficulty":-1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-380.3114474288946,"irt_users":8316,"is_experimental":false},"abc178_b":{"slope":-0.000999473058713098,"intercept":6.586539137898615,"variance":0.6107687320716239,"difficulty":-413,"discrimination":0.004479398673070138,"irt_loglikelihood":-1694.8083151583608,"irt_users":8316,"is_experimental":false},"abc178_c":{"slope":-0.0011818204444451902,"intercept":7.990688754370809,"variance":0.6076384078855928,"difficulty":653,"discrimination":0.004479398673070138,"irt_loglikelihood":-4010.9100398935147,"irt_users":8515,"is_experimental":false},"abc178_d":{"slope":-0.0011868792499897694,"intercept":8.221071258391396,"variance":0.5145006287342013,"difficulty":875,"discrimination":0.004479398673070138,"irt_loglikelihood":-3137.1752530025137,"irt_users":8515,"is_experimental":false},"abc178_e":{"slope":-0.0008016782081473572,"intercept":8.222325947093822,"variance":0.5163429139934416,"difficulty":1054,"discrimination":0.004479398673070138,"irt_loglikelihood":-3112.54345336698,"irt_users":8515,"is_experimental":false},"abc178_f":{"slope":-0.00004362749024715706,"intercept":7.985175518854019,"variance":0.3331742847930253,"difficulty":1877,"discrimination":0.004479398673070138,"irt_loglikelihood":-1077.3944819686114,"irt_users":8515,"is_experimental":false},"abc179_a":{"slope":-0.0009198677662954275,"intercept":5.940190387686866,"variance":0.800944855362753,"difficulty":-926,"discrimination":0.004479398673070138,"irt_loglikelihood":-577.695144143878,"irt_users":7927,"is_experimental":false},"abc179_b":{"slope":-0.0008945775841725668,"intercept":6.426311706128301,"variance":0.3891447263718051,"difficulty":-563,"discrimination":0.004479398673070138,"irt_loglikelihood":-1068.3543897358481,"irt_users":7927,"is_experimental":false},"abc179_c":{"slope":-0.001161415542341055,"intercept":7.575351329132456,"variance":0.6560890111918293,"difficulty":261,"discrimination":0.004479398673070138,"irt_loglikelihood":-3495.237955796389,"irt_users":8117,"is_experimental":false},"abc179_d":{"slope":-0.0010590417082635807,"intercept":8.741601331334143,"variance":0.2633628295312444,"difficulty":1251,"discrimination":0.004479398673070138,"irt_loglikelihood":-1937.192222904717,"irt_users":8117,"is_experimental":false},"abc179_e":{"slope":-0.0009078789983775797,"intercept":8.858586227524684,"variance":0.24346154901957096,"difficulty":1175,"discrimination":0.004479398673070138,"irt_loglikelihood":-2202.1727008051316,"irt_users":8117,"is_experimental":false},"abc179_f":{"slope":-0.0005843102087050202,"intercept":8.377981567555361,"variance":0.19646972756343556,"difficulty":1713,"discrimination":0.004479398673070138,"irt_loglikelihood":-879.0239813823997,"irt_users":8117,"is_experimental":false},"acl1_a":{"slope":-0.0010914980434319002,"intercept":9.948066763356653,"variance":0.30380924442139595,"difficulty":1546,"discrimination":0.004479398673070138,"irt_loglikelihood":-488.2917734559349,"irt_users":1156,"is_experimental":false},"acl1_b":{"slope":-0.0010485009793018548,"intercept":9.99541723681656,"variance":0.35944254745348275,"difficulty":1785,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.61526420955994,"irt_users":1156,"is_experimental":false},"acl1_c":{"slope":-0.0011130964932030843,"intercept":10.018541028952216,"variance":0.4035059435956463,"difficulty":1983,"discrimination":0.004479398673070138,"irt_loglikelihood":-333.3070539068359,"irt_users":1156,"is_experimental":false},"acl1_d":{"slope":-0.0005582338107545431,"intercept":9.126606093044598,"variance":0.30002129473874745,"difficulty":2764,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.04495747422466,"irt_users":1156,"is_experimental":false},"acl1_e":{"slope":-0.0004870322326487187,"intercept":9.235552693968431,"variance":0.19696878577378146,"difficulty":2605,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.2536838849572,"irt_users":1156,"is_experimental":false},"acl1_f":{"difficulty":3734,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.264005754909616,"irt_users":1156,"is_experimental":false},"abl_a":{"slope":-0.0008715994269504097,"intercept":5.615199232510932,"variance":1.2903110203875185,"difficulty":-1080,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.0138480060694,"irt_users":3923,"is_experimental":false},"abl_b":{"slope":-0.0009655028161588684,"intercept":6.794566255484268,"variance":0.771464935620701,"difficulty":-422,"discrimination":0.004479398673070138,"irt_loglikelihood":-734.5725401793444,"irt_users":3923,"is_experimental":false},"abl_c":{"slope":-0.0012698024776229481,"intercept":7.607993766738658,"variance":0.646695800190611,"difficulty":435,"discrimination":0.004479398673070138,"irt_loglikelihood":-1264.4759113342477,"irt_users":3923,"is_experimental":false},"abl_d":{"slope":-0.0012742971956509427,"intercept":9.131593390108945,"variance":0.5074226027922253,"difficulty":1283,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.9878834926977,"irt_users":3923,"is_experimental":false},"abl_e":{"slope":-0.000691269139568367,"intercept":8.764237372622185,"variance":0.3666412873829501,"difficulty":1706,"discrimination":0.004479398673070138,"irt_loglikelihood":-721.3504155774832,"irt_users":3923,"is_experimental":false},"abl_f":{"slope":-0.00034751632441403147,"intercept":8.642862984847367,"variance":0.23551301374691663,"difficulty":2545,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.78282483281592,"irt_users":3923,"is_experimental":false},"arc104_a":{"slope":-0.0008786748880111242,"intercept":6.064064707212154,"variance":0.8632978163615369,"difficulty":-972,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.0971185887191,"irt_users":5121,"is_experimental":false},"arc104_b":{"slope":-0.0011050861040109144,"intercept":8.063814490861837,"variance":0.45443731563822376,"difficulty":487,"discrimination":0.004479398673070138,"irt_loglikelihood":-1673.164799655734,"irt_users":5121,"is_experimental":false},"arc104_c":{"slope":-0.0006464932781373172,"intercept":9.446240608770553,"variance":0.23195155627916053,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-741.3508073386926,"irt_users":5121,"is_experimental":false},"arc104_d":{"slope":-0.0006145690345610662,"intercept":9.31799533838674,"variance":0.23271184139395848,"difficulty":2251,"discrimination":0.004479398673070138,"irt_loglikelihood":-469.5593010698255,"irt_users":5121,"is_experimental":false},"arc104_e":{"slope":-0.0003259284829008023,"intercept":8.655024986679413,"variance":0.19659110610594935,"difficulty":2824,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.93820236028083,"irt_users":5121,"is_experimental":false},"arc104_f":{"difficulty":3213,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.27867399426552,"irt_users":5121,"is_experimental":false},"hhkb2020_a":{"slope":-0.0008164746509508522,"intercept":6.030965607210702,"variance":0.6951761008716492,"difficulty":-939,"discrimination":0.004479398673070138,"irt_loglikelihood":-382.96663061414085,"irt_users":5721,"is_experimental":false},"hhkb2020_b":{"slope":-0.0011778481444318588,"intercept":7.244123320328029,"variance":0.3758403276253867,"difficulty":-147,"discrimination":0.004479398673070138,"irt_loglikelihood":-1223.9105688014695,"irt_users":5721,"is_experimental":false},"hhkb2020_c":{"slope":-0.0013753434877935313,"intercept":7.77850263610944,"variance":0.5522158470608894,"difficulty":349,"discrimination":0.004479398673070138,"irt_loglikelihood":-1981.250237411174,"irt_users":5721,"is_experimental":false},"hhkb2020_d":{"slope":-0.0006819813946865013,"intercept":8.806192037233991,"variance":0.2919882753724997,"difficulty":1804,"discrimination":0.004479398673070138,"irt_loglikelihood":-1037.254436893067,"irt_users":5721,"is_experimental":false},"hhkb2020_e":{"slope":-0.0010137126746391802,"intercept":9.342956218063287,"variance":0.2455467373070337,"difficulty":1399,"discrimination":0.004479398673070138,"irt_loglikelihood":-1284.0846684675917,"irt_users":5721,"is_experimental":false},"hhkb2020_f":{"slope":-0.0006567247015660968,"intercept":9.52868319909403,"variance":0.10178436764167345,"difficulty":2691,"discrimination":0.004479398673070138,"irt_loglikelihood":-111.92222080614063,"irt_users":5721,"is_experimental":false},"arc105_a":{"slope":-0.0008394163252408744,"intercept":6.943414571067224,"variance":0.544310697475554,"difficulty":-582,"discrimination":0.004479398673070138,"irt_loglikelihood":-477.55999145745886,"irt_users":3586,"is_experimental":false},"arc105_b":{"slope":-0.0010597962092835649,"intercept":7.713127314348042,"variance":0.7611884209274645,"difficulty":365,"discrimination":0.004479398673070138,"irt_loglikelihood":-1315.8758359366607,"irt_users":3586,"is_experimental":false},"arc105_c":{"slope":-0.0008106661050338328,"intercept":9.409165072849436,"variance":0.20894040122942228,"difficulty":1964,"discrimination":0.004479398673070138,"irt_loglikelihood":-567.3714946731349,"irt_users":3586,"is_experimental":false},"arc105_d":{"slope":-0.0007024509395608761,"intercept":8.990442511290542,"variance":0.29523300492547533,"difficulty":1871,"discrimination":0.004479398673070138,"irt_loglikelihood":-743.7339289356388,"irt_users":3586,"is_experimental":false},"arc105_e":{"slope":-0.0003701894635188241,"intercept":8.604544283132384,"variance":0.15311410257223299,"difficulty":2615,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.03307758196792,"irt_users":3586,"is_experimental":false},"arc105_f":{"difficulty":3231,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.50191952206521,"irt_users":3586,"is_experimental":false,"slope":-0.0007357197461714653,"intercept":9.782225312688116,"variance":0.05683304115973583},"abc180_a":{"slope":-0.0010003441239346193,"intercept":5.599610624915149,"variance":1.5289119500391597,"difficulty":-1169,"discrimination":0.004479398673070138,"irt_loglikelihood":-214.86990231609715,"irt_users":5206,"is_experimental":false},"abc180_b":{"slope":-0.0008386392200675926,"intercept":6.955181711237703,"variance":0.6314220320135504,"difficulty":-54,"discrimination":0.004479398673070138,"irt_loglikelihood":-1763.411660352127,"irt_users":5206,"is_experimental":false},"abc180_c":{"slope":-0.0011344971699640614,"intercept":7.2240981691465125,"variance":0.861992326290152,"difficulty":-13,"discrimination":0.004479398673070138,"irt_loglikelihood":-1709.875295507548,"irt_users":5350,"is_experimental":false},"abc180_d":{"slope":-0.0009804905622610822,"intercept":8.489636464523766,"variance":0.42632274910283674,"difficulty":752,"discrimination":0.004479398673070138,"irt_loglikelihood":-2105.149173370523,"irt_users":5350,"is_experimental":false},"abc180_e":{"slope":-0.0009226244547710817,"intercept":8.572746402366374,"variance":0.34431236579673463,"difficulty":1256,"discrimination":0.004479398673070138,"irt_loglikelihood":-1322.4737161638145,"irt_users":5350,"is_experimental":false},"abc180_f":{"slope":-0.0004004012992677791,"intercept":8.739362336128153,"variance":0.2166743738093933,"difficulty":2419,"discrimination":0.004479398673070138,"irt_loglikelihood":-162.4438276112771,"irt_users":5350,"is_experimental":false},"agc048_a":{"slope":-0.0007203909275511248,"intercept":8.83177500238767,"variance":0.4366258494291992,"difficulty":1187,"discrimination":0.004479398673070138,"irt_loglikelihood":-493.7163401014923,"irt_users":1145,"is_experimental":false},"agc048_b":{"slope":-0.0006249687452073887,"intercept":8.979662852285616,"variance":0.45126829218422093,"difficulty":1902,"discrimination":0.004479398673070138,"irt_loglikelihood":-567.8152140092384,"irt_users":1145,"is_experimental":false},"agc048_c":{"slope":-0.0006869295658087934,"intercept":9.610673610133812,"variance":0.2645803474790943,"difficulty":2120,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.3285953191601,"irt_users":1145,"is_experimental":false},"agc048_d":{"slope":-0.00038007289451391597,"intercept":9.180519564863609,"variance":0.13453732187838266,"difficulty":3046,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.79660888933515,"irt_users":1145,"is_experimental":false},"agc048_e":{"difficulty":3819,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.005782054163788,"irt_users":1145,"is_experimental":false,"slope":-0.00020485812717234477,"intercept":9.015808346449662,"variance":0.03535973269264173},"agc048_f":{"is_experimental":false},"arc106_a":{"slope":-0.0010069370782705503,"intercept":8.060355963008583,"variance":0.6958811248423067,"difficulty":277,"discrimination":0.004479398673070138,"irt_loglikelihood":-1491.2724564336897,"irt_users":4036,"is_experimental":false},"arc106_b":{"slope":-0.0010901487609481194,"intercept":8.31581694894743,"variance":0.39083892180376545,"difficulty":732,"discrimination":0.004479398673070138,"irt_loglikelihood":-1363.5767762744204,"irt_users":4036,"is_experimental":false},"arc106_c":{"slope":-0.0006508964377143461,"intercept":8.710644751535751,"variance":0.21150824201490864,"difficulty":1225,"discrimination":0.004479398673070138,"irt_loglikelihood":-1204.7603874430451,"irt_users":4036,"is_experimental":false},"arc106_d":{"slope":-0.0005355085495075342,"intercept":8.659645326569422,"variance":0.27947613705616203,"difficulty":1988,"discrimination":0.004479398673070138,"irt_loglikelihood":-638.6482193175411,"irt_users":4036,"is_experimental":false},"arc106_e":{"slope":-0.0004538373259819421,"intercept":8.88004656261276,"variance":0.13363798032840682,"difficulty":2825,"discrimination":0.004479398673070138,"irt_loglikelihood":-124.06636010764316,"irt_users":4036,"is_experimental":false},"arc106_f":{"slope":-0.00012407719619072168,"intercept":7.960142709660414,"variance":0.25940903211993516,"difficulty":2755,"discrimination":0.004479398673070138,"irt_loglikelihood":-134.7140872140712,"irt_users":4036,"is_experimental":false},"arc107_a":{"slope":-0.0011600160812801125,"intercept":7.476950184641651,"variance":0.6429585646535901,"difficulty":-28,"discrimination":0.004479398673070138,"irt_loglikelihood":-658.1292806080709,"irt_users":3600,"is_experimental":false},"arc107_b":{"slope":-0.001152341920282873,"intercept":8.59507888097955,"variance":0.27920369789148414,"difficulty":633,"discrimination":0.004479398673070138,"irt_loglikelihood":-1212.0808480701298,"irt_users":3600,"is_experimental":false},"arc107_c":{"slope":-0.0008995159395284979,"intercept":8.688794108582359,"variance":0.23818939393213778,"difficulty":1223,"discrimination":0.004479398673070138,"irt_loglikelihood":-1100.5336279921069,"irt_users":3600,"is_experimental":false},"arc107_d":{"slope":-0.0004875786084536605,"intercept":8.509977743061345,"variance":0.42651329819971917,"difficulty":2099,"discrimination":0.004479398673070138,"irt_loglikelihood":-532.9816723884853,"irt_users":3600,"is_experimental":false},"arc107_e":{"slope":-0.00038881180943397517,"intercept":8.778789358638667,"variance":0.16614765456027317,"difficulty":2604,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.52419315347746,"irt_users":3600,"is_experimental":false},"arc107_f":{"difficulty":3130,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.21934818483241,"irt_users":3600,"is_experimental":false,"slope":-0.0016338440565761378,"intercept":12.086445543319883,"variance":0.2506888521780545},"abc181_a":{"slope":-0.000854181400144314,"intercept":5.590226285035222,"variance":1.1902108844403372,"difficulty":-1179,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.04365824159134,"irt_users":5779,"is_experimental":false},"abc181_b":{"slope":-0.0012408868418360291,"intercept":6.709627182088843,"variance":0.4614921510162648,"difficulty":-413,"discrimination":0.004479398673070138,"irt_loglikelihood":-974.9830449650943,"irt_users":5779,"is_experimental":false},"abc181_c":{"slope":-0.0010364334613766244,"intercept":7.742177049691159,"variance":0.45054551295087364,"difficulty":248,"discrimination":0.004479398673070138,"irt_loglikelihood":-2160.7017888281307,"irt_users":5883,"is_experimental":false},"abc181_d":{"slope":-0.0007524309071247812,"intercept":8.218513447482868,"variance":0.36865943814691143,"difficulty":600,"discrimination":0.004479398673070138,"irt_loglikelihood":-2341.1833427707134,"irt_users":5883,"is_experimental":false},"abc181_e":{"slope":-0.0008290801567029562,"intercept":8.72772506471714,"variance":0.18344631315713764,"difficulty":1193,"discrimination":0.004479398673070138,"irt_loglikelihood":-1241.813486383092,"irt_users":5883,"is_experimental":false},"abc181_f":{"slope":-0.0005699691516547713,"intercept":8.453409368998352,"variance":0.29245756185595095,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-430.52550362876866,"irt_users":5883,"is_experimental":false},"abc182_a":{"slope":-0.000793691832801417,"intercept":5.774251858073284,"variance":0.8514694436646296,"difficulty":-1144,"discrimination":0.004479398673070138,"irt_loglikelihood":-286.75115785858634,"irt_users":6672,"is_experimental":false},"abc182_b":{"slope":-0.0011488446654899771,"intercept":7.24426817534877,"variance":0.41229379989395953,"difficulty":-108,"discrimination":0.004479398673070138,"irt_loglikelihood":-1661.4742163538128,"irt_users":6672,"is_experimental":false},"abc182_c":{"slope":-0.001059677600556117,"intercept":7.93609691728114,"variance":0.3953057132370522,"difficulty":274,"discrimination":0.004479398673070138,"irt_loglikelihood":-2389.443611283226,"irt_users":6840,"is_experimental":false},"abc182_d":{"slope":-0.0012022864071650527,"intercept":8.324859068143827,"variance":0.42119477532701677,"difficulty":701,"discrimination":0.004479398673070138,"irt_loglikelihood":-2285.0978909582554,"irt_users":6840,"is_experimental":false},"abc182_e":{"slope":-0.0008170719400144961,"intercept":8.456092242494435,"variance":0.27113303135125566,"difficulty":1098,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.1064873009134,"irt_users":6840,"is_experimental":false},"abc182_f":{"slope":-0.0004907295545392462,"intercept":8.755247261806815,"variance":0.22258459808318348,"difficulty":2121,"discrimination":0.004479398673070138,"irt_loglikelihood":-448.5784394108099,"irt_users":6840,"is_experimental":false},"agc049_a":{"slope":-0.0009502731074535973,"intercept":9.452750561110271,"variance":0.6807421753063609,"difficulty":1922,"discrimination":0.004479398673070138,"irt_loglikelihood":-459.88714597579224,"irt_users":917,"is_experimental":false},"agc049_b":{"slope":-0.0009652578880043646,"intercept":9.791285737791405,"variance":0.39058338496079115,"difficulty":1171,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.0447873950621,"irt_users":917,"is_experimental":false},"agc049_c":{"slope":-0.0006414502942381395,"intercept":9.7615837006046,"variance":0.2774842885613384,"difficulty":2177,"discrimination":0.004479398673070138,"irt_loglikelihood":-365.41380978669616,"irt_users":917,"is_experimental":false},"agc049_d":{"slope":-0.0007784309158415248,"intercept":10.394303855873897,"variance":0.2974478656537402,"difficulty":2602,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.52665708946665,"irt_users":917,"is_experimental":false},"agc049_e":{"difficulty":3496,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.811417470414625,"irt_users":917,"is_experimental":false,"slope":-0.0005933136615292971,"intercept":10.417615639289297,"variance":0.10270502547431472},"agc049_f":{"is_experimental":false},"abc183_a":{"slope":-0.0009656364031623212,"intercept":5.409285196871132,"variance":1.0077534205772751,"difficulty":-1280,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.83240882022199,"irt_users":6420,"is_experimental":false},"abc183_b":{"slope":-0.0008301189656719607,"intercept":7.134084979237283,"variance":0.3977295546164268,"difficulty":-55,"discrimination":0.004479398673070138,"irt_loglikelihood":-2465.651600456117,"irt_users":6420,"is_experimental":false},"abc183_c":{"slope":-0.0012107694376531219,"intercept":7.926087701769219,"variance":0.30793370473892373,"difficulty":329,"discrimination":0.004479398673070138,"irt_loglikelihood":-2170.189120697374,"irt_users":6583,"is_experimental":false},"abc183_d":{"slope":-0.0011663491510359105,"intercept":7.995865284492191,"variance":0.44488871110908196,"difficulty":662,"discrimination":0.004479398673070138,"irt_loglikelihood":-2146.995710457184,"irt_users":6583,"is_experimental":false},"abc183_e":{"slope":-0.0008815439637306677,"intercept":8.649164185508871,"variance":0.3347995131586456,"difficulty":1288,"discrimination":0.004479398673070138,"irt_loglikelihood":-1490.4459997547226,"irt_users":6583,"is_experimental":false},"abc183_f":{"slope":-0.00061848548534984,"intercept":8.225105966088336,"variance":0.3954370777731644,"difficulty":1586,"discrimination":0.004479398673070138,"irt_loglikelihood":-1073.0227901624073,"irt_users":6583,"is_experimental":false},"tenka1_2013_qualB_d":{"difficulty":3182,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.3512303340364835,"irt_users":185,"is_experimental":true},"arc022_4":{"is_experimental":true},"arc047_d":{"is_experimental":true},"discovery_2016_final_e":{"is_experimental":true},"codefestival_2016_final_j":{"is_experimental":false},"arc108_a":{"slope":-0.0010317318704562673,"intercept":7.3428961502085155,"variance":0.9021052807371736,"difficulty":-3,"discrimination":0.004479398673070138,"irt_loglikelihood":-1147.6242256178891,"irt_users":3948,"is_experimental":false},"arc108_b":{"slope":-0.000952750807888458,"intercept":8.121783397818852,"variance":0.7581910530841227,"difficulty":681,"discrimination":0.004479398673070138,"irt_loglikelihood":-2153.074619784887,"irt_users":3948,"is_experimental":false},"arc108_c":{"slope":-0.0007333518685836786,"intercept":8.804027429613225,"variance":0.316403183050153,"difficulty":1460,"discrimination":0.004479398673070138,"irt_loglikelihood":-1072.7860833168647,"irt_users":3948,"is_experimental":false},"arc108_d":{"slope":-0.0004875555250902089,"intercept":8.771129367323987,"variance":0.18412207826521793,"difficulty":1987,"discrimination":0.004479398673070138,"irt_loglikelihood":-580.4611387875157,"irt_users":3948,"is_experimental":false},"arc108_e":{"difficulty":3101,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.81853104597324,"irt_users":3948,"is_experimental":false,"slope":-0.0003811970955024752,"intercept":8.764558173596624,"variance":0.12767635528469215},"arc108_f":{"slope":-0.0002265460261851426,"intercept":8.19783446954518,"variance":0.20273802228547333,"difficulty":2646,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.5739991723041,"irt_users":3948,"is_experimental":false},"abc184_a":{"slope":-0.0008778491815044208,"intercept":5.389038838991783,"variance":1.055941759711927,"difficulty":-1299,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.3245242098537,"irt_users":7025,"is_experimental":false},"abc184_b":{"slope":-0.000809198456755653,"intercept":5.956985329954487,"variance":0.37391925090019806,"difficulty":-797,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.4421447223774,"irt_users":7025,"is_experimental":false},"abc184_c":{"slope":-0.0008501254906562228,"intercept":8.348056995589596,"variance":0.37508190695508586,"difficulty":782,"discrimination":0.004479398673070138,"irt_loglikelihood":-3977.451641719232,"irt_users":7242,"is_experimental":false},"abc184_d":{"slope":-0.0010138215962514402,"intercept":8.587490430254384,"variance":0.395674066434601,"difficulty":1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-2013.5490967633932,"irt_users":7242,"is_experimental":false},"abc184_e":{"slope":-0.0008794352242395363,"intercept":8.82077331726856,"variance":0.31996079848792786,"difficulty":1418,"discrimination":0.004479398673070138,"irt_loglikelihood":-1543.3278943757432,"irt_users":7242,"is_experimental":false},"abc184_f":{"slope":-0.0009684020918950874,"intercept":8.573834379915183,"variance":0.49729512146308397,"difficulty":1423,"discrimination":0.004479398673070138,"irt_loglikelihood":-1380.2475473580766,"irt_users":7242,"is_experimental":false},"arc109_a":{"slope":-0.0007770968240520259,"intercept":7.8580582970558,"variance":0.43053603443995486,"difficulty":-86,"discrimination":0.004479398673070138,"irt_loglikelihood":-1188.7569495629855,"irt_users":3822,"is_experimental":false},"arc109_b":{"slope":-0.000791939744257459,"intercept":8.177295516523149,"variance":0.487038464869652,"difficulty":524,"discrimination":0.004479398673070138,"irt_loglikelihood":-1766.4557393693315,"irt_users":3822,"is_experimental":false},"arc109_c":{"slope":-0.0007808727900075552,"intercept":8.619260268739517,"variance":0.2935940509812426,"difficulty":1157,"discrimination":0.004479398673070138,"irt_loglikelihood":-1326.8679526162023,"irt_users":3822,"is_experimental":false},"arc109_d":{"slope":-0.00020388019933358876,"intercept":8.53335446025753,"variance":0.18826405195395696,"difficulty":2394,"discrimination":0.004479398673070138,"irt_loglikelihood":-466.39256896558413,"irt_users":3822,"is_experimental":false},"arc109_e":{"slope":-0.00020549989849348016,"intercept":8.444638189081804,"variance":0.2643075908350514,"difficulty":2661,"discrimination":0.004479398673070138,"irt_loglikelihood":-282.800475767299,"irt_users":3822,"is_experimental":false},"arc109_f":{"difficulty":3625,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.013750892235468,"irt_users":3822,"is_experimental":false,"slope":-0.00014386134276976132,"intercept":8.865850167303307,"variance":0.0476245650472911},"arc110_a":{"slope":-0.0010908583491840854,"intercept":7.799581202137531,"variance":0.7875890971059794,"difficulty":-81,"discrimination":0.004479398673070138,"irt_loglikelihood":-998.4597903518072,"irt_users":3740,"is_experimental":false},"arc110_b":{"slope":-0.0009400596086264279,"intercept":8.780470571623734,"variance":0.3158874809793433,"difficulty":655,"discrimination":0.004479398673070138,"irt_loglikelihood":-1517.9750447784438,"irt_users":3740,"is_experimental":false},"arc110_c":{"slope":-0.0007743400682462663,"intercept":8.6505314564533,"variance":0.3129806999235806,"difficulty":1100,"discrimination":0.004479398673070138,"irt_loglikelihood":-1212.9290441836374,"irt_users":3740,"is_experimental":false},"arc110_d":{"slope":-0.0007247426709575061,"intercept":9.212664398983355,"variance":0.28363484164111913,"difficulty":2078,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.3935317331758,"irt_users":3740,"is_experimental":false},"arc110_e":{"difficulty":2973,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.87810762978539,"irt_users":3740,"is_experimental":false,"slope":-0.0004225070034264892,"intercept":9.151719399581587,"variance":0.2204578470787745},"arc110_f":{"slope":-0.00024991851875814784,"intercept":8.466976239299418,"variance":0.28087924107821405,"difficulty":2719,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.92005536925083,"irt_users":3740,"is_experimental":false},"abc185_a":{"slope":-0.0009713475456628331,"intercept":5.680667157891695,"variance":0.9223689430714994,"difficulty":-1216,"discrimination":0.004479398673070138,"irt_loglikelihood":-462.3913500351149,"irt_users":6373,"is_experimental":false},"abc185_b":{"slope":-0.0008779369753928698,"intercept":7.45845393177518,"variance":0.24995179569457857,"difficulty":-183,"discrimination":0.004479398673070138,"irt_loglikelihood":-1964.7842629362965,"irt_users":6373,"is_experimental":false},"abc185_c":{"slope":-0.0009034597944511999,"intercept":7.539256419817414,"variance":0.5996594333009329,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-2714.8578608318294,"irt_users":6560,"is_experimental":false},"abc185_d":{"slope":-0.0009028704469997771,"intercept":8.067922125317061,"variance":0.2542744997703523,"difficulty":490,"discrimination":0.004479398673070138,"irt_loglikelihood":-2368.824063773392,"irt_users":6560,"is_experimental":false},"abc185_e":{"slope":-0.0006306073958529582,"intercept":7.955112087825358,"variance":0.4876725788082354,"difficulty":1468,"discrimination":0.004479398673070138,"irt_loglikelihood":-1407.6429890698203,"irt_users":6560,"is_experimental":false},"abc185_f":{"slope":-0.0008779011729577214,"intercept":8.033096523480776,"variance":0.5311402082863265,"difficulty":1053,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.4928681148922,"irt_users":6560,"is_experimental":false},"abc186_a":{"slope":-0.0008689655071405731,"intercept":5.327600637133268,"variance":1.0413398233055746,"difficulty":-1438,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.2409237225334,"irt_users":5573,"is_experimental":false},"abc186_b":{"slope":-0.0009201033494407279,"intercept":6.357699173201253,"variance":0.3534776165484121,"difficulty":-671,"discrimination":0.004479398673070138,"irt_loglikelihood":-809.3552758179021,"irt_users":5573,"is_experimental":false},"abc186_c":{"slope":-0.0010924404045848481,"intercept":7.201930899603986,"variance":0.5085501969579045,"difficulty":-45,"discrimination":0.004479398673070138,"irt_loglikelihood":-1903.6857733392858,"irt_users":5796,"is_experimental":false},"abc186_d":{"slope":-0.0011502479395062292,"intercept":7.768247428265386,"variance":0.6278500910434068,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-2511.899578986414,"irt_users":5796,"is_experimental":false},"abc186_e":{"slope":-0.0008471176536494319,"intercept":8.808561672350457,"variance":0.3752026444110931,"difficulty":1461,"discrimination":0.004479398673070138,"irt_loglikelihood":-1350.5667651964675,"irt_users":5796,"is_experimental":false},"abc186_f":{"slope":-0.0006501587557030222,"intercept":9.081141159016296,"variance":0.2360045878975472,"difficulty":1833,"discrimination":0.004479398673070138,"irt_loglikelihood":-617.9980225458253,"irt_users":5796,"is_experimental":false},"agc050_a":{"slope":-0.0009379078299183835,"intercept":9.926040720304023,"variance":0.6087505325109179,"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.2493617698048,"irt_users":319,"is_experimental":false},"agc050_b":{"slope":-0.00094743988745712,"intercept":10.562783134540124,"variance":0.43857122409687177,"difficulty":2091,"discrimination":0.004479398673070138,"irt_loglikelihood":-163.67753540934353,"irt_users":319,"is_experimental":false},"agc050_c":{"slope":-0.0008232451856823902,"intercept":10.48943908173722,"variance":0.22552418083043635,"difficulty":2528,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.89113660844006,"irt_users":319,"is_experimental":false},"agc050_d":{"slope":-0.0005967070945693045,"intercept":9.705395530563464,"variance":0.23395480816202094,"difficulty":2674,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.92530186943573,"irt_users":319,"is_experimental":false},"agc050_e":{"is_experimental":false},"agc050_f":{"difficulty":4076,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.962023638111722,"irt_users":319,"is_experimental":false},"agc051_a":{"slope":-0.0008363494603018402,"intercept":9.3874578271358,"variance":0.4020714643080312,"difficulty":1495,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.65722803811677,"irt_users":313,"is_experimental":false},"agc051_b":{"slope":-0.0007767133773723548,"intercept":9.543027466578451,"variance":0.4447241290865514,"difficulty":1759,"discrimination":0.004479398673070138,"irt_loglikelihood":-108.75487181406396,"irt_users":313,"is_experimental":false},"agc051_c":{"slope":-0.0007841372680920268,"intercept":11.066645061259502,"variance":0.17955448051829007,"difficulty":2928,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.76288513189287,"irt_users":313,"is_experimental":false},"agc051_d":{"slope":-0.0006185968234664417,"intercept":10.436404137905525,"variance":0.2725046037550966,"difficulty":2807,"discrimination":0.004479398673070138,"irt_loglikelihood":-129.95361863089917,"irt_users":313,"is_experimental":false},"agc051_e":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.955203458325491,"irt_users":313,"is_experimental":false},"agc051_f":{"difficulty":4061,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.150990078871615,"irt_users":313,"is_experimental":false},"abc187_a":{"slope":-0.0008172880600614155,"intercept":6.050701098416333,"variance":0.7488848421138234,"difficulty":-1172,"discrimination":0.004479398673070138,"irt_loglikelihood":-525.5745858749613,"irt_users":6139,"is_experimental":false},"abc187_b":{"slope":-0.0008680160473957357,"intercept":6.847576851013668,"variance":0.348458097142957,"difficulty":-311,"discrimination":0.004479398673070138,"irt_loglikelihood":-1568.0696025768586,"irt_users":6139,"is_experimental":false},"abc187_c":{"slope":-0.0009092431046563492,"intercept":7.392833943702079,"variance":0.44407162206230694,"difficulty":137,"discrimination":0.004479398673070138,"irt_loglikelihood":-2239.0139249984727,"irt_users":6338,"is_experimental":false},"abc187_d":{"slope":-0.0009173638193710168,"intercept":7.991914395180138,"variance":0.44023607371135715,"difficulty":650,"discrimination":0.004479398673070138,"irt_loglikelihood":-2669.80978053479,"irt_users":6338,"is_experimental":false},"abc187_e":{"slope":-0.000688140393433573,"intercept":8.489666592145388,"variance":0.2840955401694923,"difficulty":1358,"discrimination":0.004479398673070138,"irt_loglikelihood":-1430.0127713652457,"irt_users":6338,"is_experimental":false},"abc187_f":{"slope":-0.0005376945673881328,"intercept":8.228193051355824,"variance":0.43203432891529747,"difficulty":1895,"discrimination":0.004479398673070138,"irt_loglikelihood":-627.5859534318893,"irt_users":6338,"is_experimental":false},"arc111_a":{"slope":-0.0010143498940090006,"intercept":8.551286505803255,"variance":0.8434636687534312,"difficulty":1146,"discrimination":0.004479398673070138,"irt_loglikelihood":-1129.526500345823,"irt_users":2429,"is_experimental":false},"arc111_b":{"slope":-0.001202789869947795,"intercept":9.373321391458296,"variance":0.6048139714269801,"difficulty":1334,"discrimination":0.004479398673070138,"irt_loglikelihood":-848.2745822897283,"irt_users":2429,"is_experimental":false},"arc111_c":{"slope":-0.0006629126359673066,"intercept":8.898400701029304,"variance":0.2563461790706018,"difficulty":1750,"discrimination":0.004479398673070138,"irt_loglikelihood":-630.4579517523201,"irt_users":2429,"is_experimental":false},"arc111_d":{"slope":-0.0005662050795696475,"intercept":8.810379586013582,"variance":0.34891084957251145,"difficulty":2064,"discrimination":0.004479398673070138,"irt_loglikelihood":-475.5274222253924,"irt_users":2429,"is_experimental":false},"arc111_e":{"slope":-0.00042902948742407814,"intercept":8.597518812963399,"variance":0.3795962319937724,"difficulty":2541,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.83778841738737,"irt_users":2429,"is_experimental":false},"arc111_f":{"difficulty":3119,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.12076592402089,"irt_users":2429,"is_experimental":false},"abc188_a":{"slope":-0.0008334611058410108,"intercept":5.850422435117564,"variance":0.8133515964558473,"difficulty":-1177,"discrimination":0.004479398673070138,"irt_loglikelihood":-497.94285051283475,"irt_users":6885,"is_experimental":false},"abc188_b":{"slope":-0.0007531985763819305,"intercept":5.7782858269202,"variance":0.37821493997092265,"difficulty":-913,"discrimination":0.004479398673070138,"irt_loglikelihood":-752.5130540719562,"irt_users":6885,"is_experimental":false},"abc188_c":{"slope":-0.0008772124676051866,"intercept":7.576196348321544,"variance":0.36414521740906775,"difficulty":-83,"discrimination":0.004479398673070138,"irt_loglikelihood":-2468.2318293633184,"irt_users":7089,"is_experimental":false},"abc188_d":{"slope":-0.0009694273259592851,"intercept":8.439546717937333,"variance":0.30166154561079983,"difficulty":933,"discrimination":0.004479398673070138,"irt_loglikelihood":-2413.67434438861,"irt_users":7089,"is_experimental":false},"abc188_e":{"slope":-0.0010578837613372234,"intercept":8.748386549724982,"variance":0.3995684479703278,"difficulty":1170,"discrimination":0.004479398673070138,"irt_loglikelihood":-1786.587792004562,"irt_users":7089,"is_experimental":false},"abc188_f":{"slope":-0.00012532829947820305,"intercept":7.837974036659626,"variance":0.44897288861250584,"difficulty":1865,"discrimination":0.004479398673070138,"irt_loglikelihood":-898.6741129977696,"irt_users":7089,"is_experimental":false},"keyence2021_a":{"slope":-0.0010353457756225948,"intercept":7.906837230314332,"variance":0.43604460092430153,"difficulty":22,"discrimination":0.004479398673070138,"irt_loglikelihood":-923.7457170043186,"irt_users":3624,"is_experimental":false},"keyence2021_b":{"slope":-0.0009406305727226446,"intercept":7.905459819311409,"variance":0.46275547297553493,"difficulty":295,"discrimination":0.004479398673070138,"irt_loglikelihood":-1034.0710843307902,"irt_users":3624,"is_experimental":false},"keyence2021_c":{"slope":-0.0008245282074607238,"intercept":9.102710610425982,"variance":0.30255246459282115,"difficulty":1468,"discrimination":0.004479398673070138,"irt_loglikelihood":-945.0266747648207,"irt_users":3624,"is_experimental":false},"keyence2021_d":{"slope":-0.00036420414033418966,"intercept":8.533290202887102,"variance":0.31496711873106914,"difficulty":2115,"discrimination":0.004479398673070138,"irt_loglikelihood":-608.2385428465442,"irt_users":3624,"is_experimental":false},"keyence2021_e":{"slope":-0.00036902746830231106,"intercept":8.517130134607964,"variance":0.300239872216228,"difficulty":2560,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.5495916555377,"irt_users":3624,"is_experimental":false},"keyence2021_f":{"difficulty":3461,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.900604185253673,"irt_users":3624,"is_experimental":false,"slope":-0.0005436218749582009,"intercept":10.185415981711014,"variance":0.05799206464173741},"abc189_a":{"slope":-0.0008398140069244203,"intercept":5.7972791217887165,"variance":0.9801637557376811,"difficulty":-1145,"discrimination":0.004479398673070138,"irt_loglikelihood":-604.8750152945673,"irt_users":7519,"is_experimental":false},"abc189_b":{"slope":-0.0012402476498224266,"intercept":7.686672981038838,"variance":0.7342658129122736,"difficulty":249,"discrimination":0.004479398673070138,"irt_loglikelihood":-3848.4607272749786,"irt_users":7519,"is_experimental":false},"abc189_c":{"slope":-0.0009302036424371939,"intercept":7.885491865389218,"variance":0.6110513657511458,"difficulty":565,"discrimination":0.004479398673070138,"irt_loglikelihood":-4151.717763614538,"irt_users":7721,"is_experimental":false},"abc189_d":{"slope":-0.0010022796787951599,"intercept":8.240830093311569,"variance":0.40934998524921073,"difficulty":769,"discrimination":0.004479398673070138,"irt_loglikelihood":-2609.6775005841027,"irt_users":7721,"is_experimental":false},"abc189_e":{"slope":-0.0005119135003190904,"intercept":8.530214519312326,"variance":0.1793966632427021,"difficulty":1526,"discrimination":0.004479398673070138,"irt_loglikelihood":-1389.340453570779,"irt_users":7721,"is_experimental":false},"abc189_f":{"slope":-0.0005110565198807333,"intercept":8.465195461238046,"variance":0.2581053997517562,"difficulty":2154,"discrimination":0.004479398673070138,"irt_loglikelihood":-485.8697155892645,"irt_users":7721,"is_experimental":false},"abc190_a":{"slope":-0.0008125730962734903,"intercept":6.530569709363453,"variance":0.6327302975283458,"difficulty":-954,"discrimination":0.004479398673070138,"irt_loglikelihood":-1138.7363265264605,"irt_users":8034,"is_experimental":false},"abc190_b":{"slope":-0.0007798572659334526,"intercept":6.2772730336111735,"variance":0.42798431569086975,"difficulty":-774,"discrimination":0.004479398673070138,"irt_loglikelihood":-1393.3008941735827,"irt_users":8034,"is_experimental":false},"abc190_c":{"slope":-0.0011242991306963529,"intercept":8.022609966709167,"variance":0.32497280085684715,"difficulty":472,"discrimination":0.004479398673070138,"irt_loglikelihood":-2913.564594640587,"irt_users":8261,"is_experimental":false},"abc190_d":{"slope":-0.0008233465781365447,"intercept":8.100761300499894,"variance":0.4177673621820105,"difficulty":722,"discrimination":0.004479398673070138,"irt_loglikelihood":-3628.787207650656,"irt_users":8261,"is_experimental":false},"abc190_e":{"slope":-0.0008283773936043212,"intercept":8.867291020281963,"variance":0.24014318882890395,"difficulty":1645,"discrimination":0.004479398673070138,"irt_loglikelihood":-1002.9831794790543,"irt_users":8261,"is_experimental":false},"abc190_f":{"slope":-0.0008954840011204424,"intercept":8.511441080961658,"variance":0.40728325285866873,"difficulty":1321,"discrimination":0.004479398673070138,"irt_loglikelihood":-1725.011950003883,"irt_users":8261,"is_experimental":false},"abc191_a":{"slope":-0.0008469932816067102,"intercept":6.4551652157237545,"variance":0.7153207350479718,"difficulty":-717,"discrimination":0.004479398673070138,"irt_loglikelihood":-1709.2821846663528,"irt_users":7692,"is_experimental":false},"abc191_b":{"slope":-0.001028203386877095,"intercept":6.233220489452567,"variance":0.6769621845610764,"difficulty":-791,"discrimination":0.004479398673070138,"irt_loglikelihood":-1552.6656140887815,"irt_users":7692,"is_experimental":false},"abc191_c":{"slope":-0.0008603151115692325,"intercept":8.327496657785842,"variance":0.48002634448230763,"difficulty":1063,"discrimination":0.004479398673070138,"irt_loglikelihood":-3818.0669026564547,"irt_users":7939,"is_experimental":false},"abc191_d":{"slope":-0.0003939041861357316,"intercept":8.557832719245797,"variance":0.3027209738413461,"difficulty":1953,"discrimination":0.004479398673070138,"irt_loglikelihood":-1024.9637063771793,"irt_users":7939,"is_experimental":false},"abc191_e":{"slope":-0.0007713469344169462,"intercept":8.729765225280264,"variance":0.4059333657454789,"difficulty":1323,"discrimination":0.004479398673070138,"irt_loglikelihood":-1905.3652560758803,"irt_users":7939,"is_experimental":false},"abc191_f":{"slope":-0.0004471205711427401,"intercept":8.378090737540806,"variance":0.4422812370209481,"difficulty":2333,"discrimination":0.004479398673070138,"irt_loglikelihood":-346.84103880874255,"irt_users":7939,"is_experimental":false},"arc112_a":{"slope":-0.0009063455539586274,"intercept":7.962661338279917,"variance":0.48897896002955277,"difficulty":-125,"discrimination":0.004479398673070138,"irt_loglikelihood":-1103.2389940025457,"irt_users":4266,"is_experimental":false},"arc112_b":{"slope":-0.0007767436535860638,"intercept":8.768985146125061,"variance":0.3044242106987355,"difficulty":822,"discrimination":0.004479398673070138,"irt_loglikelihood":-1791.7447341192303,"irt_users":4266,"is_experimental":false},"arc112_c":{"slope":-0.0006572107153458257,"intercept":9.21411776710834,"variance":0.22557588173410803,"difficulty":1913,"discrimination":0.004479398673070138,"irt_loglikelihood":-694.7908236314038,"irt_users":4266,"is_experimental":false},"arc112_d":{"slope":-0.0007158648495841965,"intercept":9.06598375642556,"variance":0.287769071831591,"difficulty":2028,"discrimination":0.004479398673070138,"irt_loglikelihood":-626.5007171238741,"irt_users":4266,"is_experimental":false},"arc112_e":{"slope":-0.00045376832133538984,"intercept":8.82797303776789,"variance":0.15056018518834363,"difficulty":2659,"discrimination":0.004479398673070138,"irt_loglikelihood":-144.3206516751,"irt_users":4266,"is_experimental":false},"arc112_f":{"slope":-0.0004980571951354363,"intercept":9.53562781900618,"variance":0.023386991025906995,"difficulty":3432,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.769460999189807,"irt_users":4266,"is_experimental":false},"abc192_a":{"slope":-0.0008227956848387261,"intercept":5.828628722561362,"variance":0.9630181190750313,"difficulty":-1209,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.5024337676726,"irt_users":7557,"is_experimental":false},"abc192_b":{"slope":-0.0008499842489417974,"intercept":6.463063488211316,"variance":0.40840637642932626,"difficulty":-748,"discrimination":0.004479398673070138,"irt_loglikelihood":-1109.871632710043,"irt_users":7557,"is_experimental":false},"abc192_c":{"slope":-0.000861634043039644,"intercept":7.364934502891099,"variance":0.40081987768306354,"difficulty":-135,"discrimination":0.004479398673070138,"irt_loglikelihood":-2689.3653282537666,"irt_users":7832,"is_experimental":false},"abc192_d":{"slope":-0.0007022695562479771,"intercept":8.863804542270122,"variance":0.3196163797949533,"difficulty":1425,"discrimination":0.004479398673070138,"irt_loglikelihood":-1922.662234263524,"irt_users":7832,"is_experimental":false},"abc192_e":{"slope":-0.0008757569737172185,"intercept":8.711742570157954,"variance":0.35077389443244694,"difficulty":1135,"discrimination":0.004479398673070138,"irt_loglikelihood":-2078.693508863434,"irt_users":7832,"is_experimental":false},"abc192_f":{"slope":-0.0006420567822278637,"intercept":8.561673620915565,"variance":0.3097136098501425,"difficulty":1783,"discrimination":0.004479398673070138,"irt_loglikelihood":-854.5492968602288,"irt_users":7832,"is_experimental":false},"arc113_a":{"slope":-0.0008918991218589925,"intercept":7.659532231146652,"variance":0.7810829859974552,"difficulty":191,"discrimination":0.004479398673070138,"irt_loglikelihood":-1490.595798875723,"irt_users":3727,"is_experimental":false},"arc113_b":{"slope":-0.0007619777129388512,"intercept":8.377097362405378,"variance":0.4593504761306244,"difficulty":573,"discrimination":0.004479398673070138,"irt_loglikelihood":-1693.4205999962671,"irt_users":3727,"is_experimental":false},"arc113_c":{"slope":-0.0007732822474456624,"intercept":8.310859150375483,"variance":0.37755439710457744,"difficulty":829,"discrimination":0.004479398673070138,"irt_loglikelihood":-1249.84639878291,"irt_users":3727,"is_experimental":false},"arc113_d":{"slope":-0.0006263793260444403,"intercept":8.553975891472456,"variance":0.26271792056625715,"difficulty":1389,"discrimination":0.004479398673070138,"irt_loglikelihood":-1068.6684941232013,"irt_users":3727,"is_experimental":false},"arc113_e":{"slope":-0.00011329225109365815,"intercept":8.628054734938194,"variance":0.06306404382546166,"difficulty":2789,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.93551129346787,"irt_users":3727,"is_experimental":false},"arc113_f":{"difficulty":3990,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.425298236085346,"irt_users":3727,"is_experimental":false},"abc193_a":{"slope":-0.0008411876400806867,"intercept":6.055263314035912,"variance":0.7751831902662127,"difficulty":-1117,"discrimination":0.004479398673070138,"irt_loglikelihood":-593.1008737149691,"irt_users":7027,"is_experimental":false},"abc193_b":{"slope":-0.0009090267375435677,"intercept":6.736105574939881,"variance":0.26408750008583565,"difficulty":-552,"discrimination":0.004479398673070138,"irt_loglikelihood":-1389.1357859306768,"irt_users":7027,"is_experimental":false},"abc193_c":{"slope":-0.0010645828995470732,"intercept":7.915986409102302,"variance":0.5427628810592091,"difficulty":378,"discrimination":0.004479398673070138,"irt_loglikelihood":-3243.379808370684,"irt_users":7257,"is_experimental":false},"abc193_d":{"slope":-0.0007252309260144525,"intercept":8.47676080458863,"variance":0.18135185554553274,"difficulty":866,"discrimination":0.004479398673070138,"irt_loglikelihood":-2334.690748596181,"irt_users":7257,"is_experimental":false},"abc193_e":{"slope":-0.0005402759656916267,"intercept":8.510403391940468,"variance":0.4479304043860405,"difficulty":1948,"discrimination":0.004479398673070138,"irt_loglikelihood":-778.5065382855347,"irt_users":7257,"is_experimental":false},"abc193_f":{"slope":-0.0009067967938403301,"intercept":9.46686526072161,"variance":0.35857195942450065,"difficulty":2475,"discrimination":0.004479398673070138,"irt_loglikelihood":-217.6741179604073,"irt_users":7257,"is_experimental":false},"abc194_a":{"slope":-0.0006782128119992341,"intercept":6.432247413762639,"variance":0.5010428363249397,"difficulty":-925,"discrimination":0.004479398673070138,"irt_loglikelihood":-972.6713790817463,"irt_users":7078,"is_experimental":false},"abc194_b":{"slope":-0.0010775088856491409,"intercept":7.442665703408217,"variance":0.4515412521363797,"difficulty":-138,"discrimination":0.004479398673070138,"irt_loglikelihood":-2354.351422312537,"irt_users":7078,"is_experimental":false},"abc194_c":{"slope":-0.0010935523997512987,"intercept":7.897097908954475,"variance":0.422574827008208,"difficulty":386,"discrimination":0.004479398673070138,"irt_loglikelihood":-2768.9783475026056,"irt_users":7293,"is_experimental":false},"abc194_d":{"slope":-0.0009818424136676875,"intercept":7.9868195657996965,"variance":0.5376036273943287,"difficulty":1078,"discrimination":0.004479398673070138,"irt_loglikelihood":-2416.156927883569,"irt_users":7293,"is_experimental":false},"abc194_e":{"slope":-0.0007896026161218003,"intercept":8.454649140517512,"variance":0.37531308621959697,"difficulty":1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-2041.578554301501,"irt_users":7293,"is_experimental":false},"abc194_f":{"slope":-0.00027321649629552226,"intercept":8.339031513134149,"variance":0.21386589962686137,"difficulty":2197,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.4781071440953,"irt_users":7293,"is_experimental":false},"agc052_a":{"slope":-0.0004266576781870494,"intercept":8.441458175336152,"variance":0.6715496146931322,"difficulty":779,"discrimination":0.004479398673070138,"irt_loglikelihood":-1001.2261535544604,"irt_users":1006,"is_experimental":false},"agc052_b":{"slope":-0.0007852405426258083,"intercept":9.97884980348356,"variance":0.3984568392194726,"difficulty":2473,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.3478192523741,"irt_users":1006,"is_experimental":false},"agc052_c":{"slope":-0.0007498505534561898,"intercept":10.62319399213546,"variance":0.12826009893213125,"difficulty":2936,"discrimination":0.004479398673070138,"irt_loglikelihood":-93.99754331654317,"irt_users":1006,"is_experimental":false},"agc052_d":{"slope":-0.00045320267225938096,"intercept":9.525288181287873,"variance":0.18188229866968536,"difficulty":3304,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.01188518115987,"irt_users":1006,"is_experimental":false},"agc052_e":{"slope":-0.00017108754240127984,"intercept":8.881466094047147,"variance":0.0715048430833497,"difficulty":3457,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.93326627363792,"irt_users":1006,"is_experimental":false},"agc052_f":{"is_experimental":false},"abc195_a":{"slope":-0.0008191780925977163,"intercept":5.6100536251475335,"variance":0.9437542600224816,"difficulty":-1321,"discrimination":0.004479398673070138,"irt_loglikelihood":-392.5218469349293,"irt_users":6915,"is_experimental":false},"abc195_b":{"slope":-0.0007644611950640772,"intercept":7.667372460840816,"variance":0.42756664116087856,"difficulty":483,"discrimination":0.004479398673070138,"irt_loglikelihood":-3815.3072401886984,"irt_users":6915,"is_experimental":false},"abc195_c":{"slope":-0.0009785635180059008,"intercept":8.002533775873005,"variance":0.46752598414756175,"difficulty":235,"discrimination":0.004479398673070138,"irt_loglikelihood":-3409.391444406199,"irt_users":7143,"is_experimental":false},"abc195_d":{"slope":-0.0007423129579481637,"intercept":8.229221373529564,"variance":0.2663540640137103,"difficulty":945,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.776961147188,"irt_users":7143,"is_experimental":false},"abc195_e":{"slope":-0.0008329973885701115,"intercept":8.65679791588016,"variance":0.3225090410294196,"difficulty":1609,"discrimination":0.004479398673070138,"irt_loglikelihood":-1017.0566623968425,"irt_users":7143,"is_experimental":false},"abc195_f":{"slope":-0.0003920045070899777,"intercept":8.163112193974456,"variance":0.3608291478771777,"difficulty":2068,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.5614404734138,"irt_users":7143,"is_experimental":false},"arc114_a":{"slope":-0.0012748892723457924,"intercept":9.135580520173807,"variance":0.40796022587396236,"difficulty":750,"discrimination":0.004479398673070138,"irt_loglikelihood":-977.882900356721,"irt_users":2917,"is_experimental":false},"arc114_b":{"slope":-0.0010550860666186327,"intercept":8.850705013385463,"variance":0.4465616051079569,"difficulty":1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-908.6405183041641,"irt_users":2917,"is_experimental":false},"arc114_c":{"slope":-0.0005096841836037119,"intercept":8.830650972167238,"variance":0.3824224986885413,"difficulty":2056,"discrimination":0.004479398673070138,"irt_loglikelihood":-607.4671934542665,"irt_users":2917,"is_experimental":false},"arc114_d":{"slope":-0.0002718070457876421,"intercept":8.57816014038624,"variance":0.15748626232116233,"difficulty":2723,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.22440039946878,"irt_users":2917,"is_experimental":false},"arc114_e":{"slope":-0.00046061832643760816,"intercept":8.762482391231213,"variance":0.43514543506867787,"difficulty":2514,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.5618610574676,"irt_users":2917,"is_experimental":false},"arc114_f":{"difficulty":3545,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.36568401165467,"irt_users":2917,"is_experimental":false},"abc196_a":{"slope":-0.0008741532760375516,"intercept":5.888508306284459,"variance":0.8545219990203585,"difficulty":-1120,"discrimination":0.004479398673070138,"irt_loglikelihood":-643.9687509857367,"irt_users":7535,"is_experimental":false},"abc196_b":{"slope":-0.0009870015551409973,"intercept":6.2319921667389915,"variance":0.7318535137544364,"difficulty":-530,"discrimination":0.004479398673070138,"irt_loglikelihood":-1676.0339004125103,"irt_users":7535,"is_experimental":false},"abc196_c":{"slope":-0.001087518426921169,"intercept":7.913615600786805,"variance":0.6800837555446527,"difficulty":202,"discrimination":0.004479398673070138,"irt_loglikelihood":-3412.290216023877,"irt_users":7758,"is_experimental":false},"abc196_d":{"slope":-0.0006565274437604181,"intercept":8.466336521995773,"variance":0.34774324396915945,"difficulty":1277,"discrimination":0.004479398673070138,"irt_loglikelihood":-2087.2331710254784,"irt_users":7758,"is_experimental":false},"abc196_e":{"slope":-0.0008393913283427896,"intercept":9.063324420604763,"variance":0.37177234154199396,"difficulty":1650,"discrimination":0.004479398673070138,"irt_loglikelihood":-1124.7609540554786,"irt_users":7758,"is_experimental":false},"abc196_f":{"slope":-0.0007833893259860108,"intercept":8.955890310912258,"variance":0.3918511287118391,"difficulty":2274,"discrimination":0.004479398673070138,"irt_loglikelihood":-384.9740085273453,"irt_users":7758,"is_experimental":false},"arc115_a":{"slope":-0.0009336078330700888,"intercept":8.24893666716886,"variance":0.5661033908839396,"difficulty":641,"discrimination":0.004479398673070138,"irt_loglikelihood":-1307.3885803912801,"irt_users":2466,"is_experimental":false},"arc115_b":{"slope":-0.000870751019272856,"intercept":8.465645950956093,"variance":0.37422897818684736,"difficulty":629,"discrimination":0.004479398673070138,"irt_loglikelihood":-879.2870752415985,"irt_users":2466,"is_experimental":false},"arc115_c":{"slope":-0.0008420537216135884,"intercept":8.13955365559893,"variance":0.4830573416337551,"difficulty":706,"discrimination":0.004479398673070138,"irt_loglikelihood":-924.3313236559108,"irt_users":2466,"is_experimental":false},"arc115_d":{"slope":-0.0005710584521562625,"intercept":9.091579924403618,"variance":0.2908964041693353,"difficulty":2325,"discrimination":0.004479398673070138,"irt_loglikelihood":-312.95548765327186,"irt_users":2466,"is_experimental":false},"arc115_e":{"slope":-0.00026335395106987246,"intercept":8.496732008146928,"variance":0.2209856863907058,"difficulty":2363,"discrimination":0.004479398673070138,"irt_loglikelihood":-333.01780051023894,"irt_users":2466,"is_experimental":false},"arc115_f":{"difficulty":3336,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.850954055626747,"irt_users":2466,"is_experimental":false},"abc197_a":{"slope":-0.0010164788051681458,"intercept":5.760621438583515,"variance":1.0954192154146773,"difficulty":-1263,"discrimination":0.004479398673070138,"irt_loglikelihood":-510.97037766265225,"irt_users":6844,"is_experimental":false},"abc197_b":{"slope":-0.0010096546540560782,"intercept":7.498481098462279,"variance":0.3491782019189471,"difficulty":-170,"discrimination":0.004479398673070138,"irt_loglikelihood":-2098.274494981195,"irt_users":6844,"is_experimental":false},"abc197_c":{"slope":-0.001196458151234812,"intercept":8.407798340327702,"variance":0.4112738035188105,"difficulty":809,"discrimination":0.004479398673070138,"irt_loglikelihood":-2191.327970777556,"irt_users":7050,"is_experimental":false},"abc197_d":{"slope":-0.0007795174262148073,"intercept":8.060292141335367,"variance":0.34913384386813273,"difficulty":831,"discrimination":0.004479398673070138,"irt_loglikelihood":-3271.177968993902,"irt_users":7050,"is_experimental":false},"abc197_e":{"slope":-0.0008750722564560145,"intercept":8.8594785823521,"variance":0.21191992403253251,"difficulty":1379,"discrimination":0.004479398673070138,"irt_loglikelihood":-1109.8681617367452,"irt_users":7050,"is_experimental":false},"abc197_f":{"slope":-0.000573651869863493,"intercept":8.519527107846367,"variance":0.30664113363537737,"difficulty":1945,"discrimination":0.004479398673070138,"irt_loglikelihood":-541.5094213051801,"irt_users":7050,"is_experimental":false},"arc116_a":{"slope":-0.0010555873427222058,"intercept":7.648990367164328,"variance":0.7184975346265916,"difficulty":22,"discrimination":0.004479398673070138,"irt_loglikelihood":-885.7561851222084,"irt_users":3320,"is_experimental":false},"arc116_b":{"slope":-0.0010941801459114148,"intercept":8.69683940105082,"variance":0.3833792393471667,"difficulty":816,"discrimination":0.004479398673070138,"irt_loglikelihood":-1064.2537063380087,"irt_users":3320,"is_experimental":false},"arc116_c":{"slope":-0.0009617671967472554,"intercept":9.087377122557923,"variance":0.35536593550214923,"difficulty":1468,"discrimination":0.004479398673070138,"irt_loglikelihood":-853.8984540861319,"irt_users":3320,"is_experimental":false},"arc116_d":{"slope":-0.0008878805924277886,"intercept":8.885973601775829,"variance":0.42025507243502536,"difficulty":1718,"discrimination":0.004479398673070138,"irt_loglikelihood":-631.2649670885456,"irt_users":3320,"is_experimental":false},"arc116_e":{"slope":-0.00011308190584531869,"intercept":7.959303786898227,"variance":0.38351733927592,"difficulty":2236,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.3848067854737,"irt_users":3320,"is_experimental":false},"arc116_f":{"slope":-0.0003358267071688209,"intercept":8.71293484870464,"variance":0.14799254410947102,"difficulty":3125,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.21857055794693,"irt_users":3320,"is_experimental":false},"agc053_a":{"slope":-0.0005413383728378203,"intercept":8.814497280545103,"variance":0.6934386470081783,"difficulty":1339,"discrimination":0.004479398673070138,"irt_loglikelihood":-782.9793764411481,"irt_users":1101,"is_experimental":false},"agc053_b":{"slope":-0.0011015903606445513,"intercept":10.156655223332297,"variance":0.5744955474612605,"difficulty":1755,"discrimination":0.004479398673070138,"irt_loglikelihood":-425.03535909085304,"irt_users":1101,"is_experimental":false},"agc053_c":{"slope":-0.0006895826694061721,"intercept":10.449255815447424,"variance":0.12920579853626243,"difficulty":2878,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.82675773447643,"irt_users":1101,"is_experimental":false},"agc053_d":{"difficulty":3949,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.94885089583934,"irt_users":1101,"is_experimental":false},"agc053_e":{"difficulty":4036,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.004891601023516,"irt_users":1101,"is_experimental":false},"agc053_f":{"is_experimental":false},"abc198_a":{"slope":-0.0010063432121178496,"intercept":5.83422284630269,"variance":1.2090746680082032,"difficulty":-1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-733.7654499867731,"irt_users":6871,"is_experimental":false},"abc198_b":{"slope":-0.001043487347722143,"intercept":7.213461356081137,"variance":0.5602880908632689,"difficulty":-369,"discrimination":0.004479398673070138,"irt_loglikelihood":-1833.2682970219828,"irt_users":6871,"is_experimental":false},"abc198_c":{"slope":-0.00043650592616347687,"intercept":7.762185248023559,"variance":0.42220610350550625,"difficulty":413,"discrimination":0.004479398673070138,"irt_loglikelihood":-4434.514470478958,"irt_users":7073,"is_experimental":false},"abc198_d":{"slope":-0.0005988030839013843,"intercept":8.366034728884514,"variance":0.28477646902828535,"difficulty":1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-1936.1671538706426,"irt_users":7073,"is_experimental":false},"abc198_e":{"slope":-0.000874122647441888,"intercept":8.34162689456373,"variance":0.507325150090821,"difficulty":1161,"discrimination":0.004479398673070138,"irt_loglikelihood":-1935.147463776048,"irt_users":7073,"is_experimental":false},"abc198_f":{"difficulty":2769,"discrimination":0.004479398673070138,"irt_loglikelihood":-81.89030912041471,"irt_users":7073,"is_experimental":false},"jsc2021_a":{"slope":-0.0008142978485401023,"intercept":6.942591454182436,"variance":0.6804272499072787,"difficulty":-497,"discrimination":0.004479398673070138,"irt_loglikelihood":-839.4097993867238,"irt_users":3752,"is_experimental":false},"jsc2021_b":{"slope":-0.0009939157259984566,"intercept":7.029307458062265,"variance":0.5543954220097312,"difficulty":-427,"discrimination":0.004479398673070138,"irt_loglikelihood":-686.0061991080983,"irt_users":3752,"is_experimental":false},"jsc2021_c":{"slope":-0.0011529393046774644,"intercept":7.90427996978536,"variance":0.5219569119403489,"difficulty":338,"discrimination":0.004479398673070138,"irt_loglikelihood":-1386.9606678553487,"irt_users":3752,"is_experimental":false},"jsc2021_d":{"slope":-0.0011689399532544965,"intercept":8.219446529765209,"variance":0.5136854024682069,"difficulty":743,"discrimination":0.004479398673070138,"irt_loglikelihood":-1286.942454439972,"irt_users":3752,"is_experimental":false},"jsc2021_e":{"slope":-0.0006729736711394535,"intercept":9.554356423627311,"variance":0.17914716296897282,"difficulty":2213,"discrimination":0.004479398673070138,"irt_loglikelihood":-376.69027693903956,"irt_users":3752,"is_experimental":false},"jsc2021_f":{"slope":-0.0006152812179726202,"intercept":9.124824235991648,"variance":0.25065629871295675,"difficulty":1954,"discrimination":0.004479398673070138,"irt_loglikelihood":-588.3623770521142,"irt_users":3752,"is_experimental":false},"jsc2021_g":{"slope":-0.0008683813189746091,"intercept":9.480827660728496,"variance":0.3094141444376413,"difficulty":2451,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.13516416005382,"irt_users":3752,"is_experimental":false},"jsc2021_h":{"difficulty":3383,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.842685463323832,"irt_users":3752,"is_experimental":false},"arc117_a":{"slope":-0.0007867321681687649,"intercept":7.603125816600972,"variance":0.4315680232365975,"difficulty":-403,"discrimination":0.004479398673070138,"irt_loglikelihood":-733.5389855566256,"irt_users":3475,"is_experimental":false},"arc117_b":{"slope":-0.0009806760103779088,"intercept":8.066527929357981,"variance":0.4371763989110967,"difficulty":609,"discrimination":0.004479398673070138,"irt_loglikelihood":-1336.4220916753095,"irt_users":3475,"is_experimental":false},"arc117_c":{"slope":-0.0007357346089236528,"intercept":9.168834983663256,"variance":0.31588591827192347,"difficulty":1768,"discrimination":0.004479398673070138,"irt_loglikelihood":-846.4408676378868,"irt_users":3475,"is_experimental":false},"arc117_d":{"slope":-0.0006735123141061552,"intercept":9.32952133551159,"variance":0.22350646183537967,"difficulty":2115,"discrimination":0.004479398673070138,"irt_loglikelihood":-492.06688189084906,"irt_users":3475,"is_experimental":false},"arc117_e":{"difficulty":3166,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.63266623896069,"irt_users":3475,"is_experimental":false},"arc117_f":{"difficulty":3378,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.95119207199825,"irt_users":3475,"is_experimental":false},"abc199_a":{"slope":-0.00088713731875737,"intercept":5.665429318681864,"variance":0.9927081977260416,"difficulty":-1323,"discrimination":0.004479398673070138,"irt_loglikelihood":-418.3884969934053,"irt_users":7471,"is_experimental":false},"abc199_b":{"slope":-0.0010021995793828482,"intercept":6.669914885059341,"variance":0.40996814062355263,"difficulty":-547,"discrimination":0.004479398673070138,"irt_loglikelihood":-1508.2463105395664,"irt_users":7471,"is_experimental":false},"abc199_c":{"slope":-0.001143407034746365,"intercept":8.192990802864566,"variance":0.39066447565719076,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-2919.743566443341,"irt_users":7697,"is_experimental":false},"abc199_d":{"slope":-0.0006385694031783693,"intercept":8.754125376773032,"variance":0.3413903170235079,"difficulty":1804,"discrimination":0.004479398673070138,"irt_loglikelihood":-1031.4972868765324,"irt_users":7697,"is_experimental":false},"abc199_e":{"slope":-0.0009671639547943535,"intercept":9.170489292237027,"variance":0.37187389617837957,"difficulty":1814,"discrimination":0.004479398673070138,"irt_loglikelihood":-830.5911564900757,"irt_users":7697,"is_experimental":false},"abc199_f":{"slope":-0.0010472792314435101,"intercept":9.452459459357593,"variance":0.29703528722524397,"difficulty":2065,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.8001531440337,"irt_users":7697,"is_experimental":false},"zone2021_a":{"slope":-0.0008015208277886594,"intercept":6.18133822677724,"variance":0.8464553559618173,"difficulty":-1001,"discrimination":0.004479398673070138,"irt_loglikelihood":-738.6960110766951,"irt_users":6541,"is_experimental":false},"zone2021_b":{"slope":-0.0007670775246882741,"intercept":7.401079674406473,"variance":0.3191319000271777,"difficulty":-22,"discrimination":0.004479398673070138,"irt_loglikelihood":-2703.38458163255,"irt_users":6541,"is_experimental":false},"zone2021_c":{"slope":-0.0009641258713991652,"intercept":8.830476881753352,"variance":0.33157856859254037,"difficulty":1497,"discrimination":0.004479398673070138,"irt_loglikelihood":-1210.615379524986,"irt_users":6541,"is_experimental":false},"zone2021_d":{"slope":-0.001004216068211398,"intercept":8.349364006405827,"variance":0.46809059749760124,"difficulty":719,"discrimination":0.004479398673070138,"irt_loglikelihood":-2612.5362078715057,"irt_users":6541,"is_experimental":false},"zone2021_e":{"slope":-0.0007679857045611033,"intercept":8.74794339507714,"variance":0.3014286206070127,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-1061.6729217843772,"irt_users":6541,"is_experimental":false},"zone2021_f":{"slope":-0.000634056113065251,"intercept":8.829304278997746,"variance":0.29499344594009963,"difficulty":2197,"discrimination":0.004479398673070138,"irt_loglikelihood":-355.3925901083199,"irt_users":6541,"is_experimental":false},"abc200_a":{"slope":-0.0009477270129674928,"intercept":5.912519504344704,"variance":0.8175272008966903,"difficulty":-1321,"discrimination":0.004479398673070138,"irt_loglikelihood":-344.9073441294269,"irt_users":7484,"is_experimental":false},"abc200_b":{"slope":-0.000762176862485465,"intercept":6.109866139350643,"variance":0.435338934380436,"difficulty":-804,"discrimination":0.004479398673070138,"irt_loglikelihood":-975.9392819734587,"irt_users":7484,"is_experimental":false},"abc200_c":{"slope":-0.001388684701104078,"intercept":7.712228011674677,"variance":0.6600251778624772,"difficulty":138,"discrimination":0.004479398673070138,"irt_loglikelihood":-2682.905351737701,"irt_users":7764,"is_experimental":false},"abc200_d":{"slope":-0.0006227083378796645,"intercept":8.663518762849252,"variance":0.3179009742094285,"difficulty":1217,"discrimination":0.004479398673070138,"irt_loglikelihood":-2382.7403225856997,"irt_users":7764,"is_experimental":false},"abc200_e":{"slope":-0.0005209779937982068,"intercept":8.820806542670747,"variance":0.20583472668680225,"difficulty":1955,"discrimination":0.004479398673070138,"irt_loglikelihood":-704.2493619306124,"irt_users":7764,"is_experimental":false},"abc200_f":{"slope":-0.0006687097316008532,"intercept":9.298268723055218,"variance":0.18778296364236927,"difficulty":2556,"discrimination":0.004479398673070138,"irt_loglikelihood":-172.49367628832064,"irt_users":7764,"is_experimental":false},"arc118_a":{"slope":-0.0007177986210278083,"intercept":8.110062401315547,"variance":0.44493807184417894,"difficulty":418,"discrimination":0.004479398673070138,"irt_loglikelihood":-1571.0899215413137,"irt_users":2730,"is_experimental":false},"arc118_b":{"slope":-0.0006209718219842033,"intercept":8.447849332292488,"variance":0.37102782582112825,"difficulty":1196,"discrimination":0.004479398673070138,"irt_loglikelihood":-1147.4141645341156,"irt_users":2730,"is_experimental":false},"arc118_c":{"slope":-0.0007828974641877036,"intercept":8.771707348746737,"variance":0.46334245005368396,"difficulty":1151,"discrimination":0.004479398673070138,"irt_loglikelihood":-1065.565814113236,"irt_users":2730,"is_experimental":false},"arc118_d":{"slope":-0.0002547900458127376,"intercept":8.782725212598075,"variance":0.1298872353383051,"difficulty":2448,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.15384626061683,"irt_users":2730,"is_experimental":false},"arc118_e":{"slope":-0.0003380875916654806,"intercept":8.97945708085173,"variance":0.18694258563447808,"difficulty":3092,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.25046949824636,"irt_users":2730,"is_experimental":false},"arc118_f":{"difficulty":3610,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.78653017356025,"irt_users":2730,"is_experimental":false},"abc201_a":{"slope":-0.0009839690103656228,"intercept":6.299528242136499,"variance":0.76409681492572,"difficulty":-1000,"discrimination":0.004479398673070138,"irt_loglikelihood":-853.6728229883355,"irt_users":7672,"is_experimental":false},"abc201_b":{"slope":-0.0010248798313836078,"intercept":6.582123810282683,"variance":0.5090448628237019,"difficulty":-614,"discrimination":0.004479398673070138,"irt_loglikelihood":-1429.633000951683,"irt_users":7672,"is_experimental":false},"abc201_c":{"slope":-0.0011329634940689692,"intercept":8.279704044068506,"variance":0.3749160490696115,"difficulty":439,"discrimination":0.004479398673070138,"irt_loglikelihood":-3234.5158688295774,"irt_users":7930,"is_experimental":false},"abc201_d":{"slope":-0.0009361529748155415,"intercept":8.852152799238478,"variance":0.3334042908227862,"difficulty":1317,"discrimination":0.004479398673070138,"irt_loglikelihood":-1656.2504557906436,"irt_users":7930,"is_experimental":false},"abc201_e":{"slope":-0.0007759194579486096,"intercept":8.770875548759825,"variance":0.4518215101432257,"difficulty":1694,"discrimination":0.004479398673070138,"irt_loglikelihood":-1138.590137796535,"irt_users":7930,"is_experimental":false},"abc201_f":{"slope":-0.00037024140552178623,"intercept":8.445831266245742,"variance":0.21225807259954674,"difficulty":2484,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.50836773693538,"irt_users":7930,"is_experimental":false},"arc119_a":{"slope":-0.001076098548188037,"intercept":7.700917250125625,"variance":0.5146809047784829,"difficulty":-303,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.8778221228017,"irt_users":2791,"is_experimental":false},"arc119_b":{"slope":-0.0007808863786021787,"intercept":8.278014312244313,"variance":0.6918465816835481,"difficulty":1196,"discrimination":0.004479398673070138,"irt_loglikelihood":-1546.5201993561075,"irt_users":2791,"is_experimental":false},"arc119_c":{"slope":-0.001007731980896809,"intercept":9.062454944824479,"variance":0.5113238507891712,"difficulty":1354,"discrimination":0.004479398673070138,"irt_loglikelihood":-901.4132652963732,"irt_users":2791,"is_experimental":false},"arc119_d":{"slope":-0.0005492238518057181,"intercept":9.309853007132652,"variance":0.17296755436521125,"difficulty":2713,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.3551434365681,"irt_users":2791,"is_experimental":false},"arc119_e":{"slope":-0.0004018944304028328,"intercept":9.039559690732252,"variance":0.17626823372399011,"difficulty":2502,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.7933126298979,"irt_users":2791,"is_experimental":false},"arc119_f":{"difficulty":3671,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.650007388505195,"irt_users":2791,"is_experimental":false},"abc202_a":{"slope":-0.0008667831637678787,"intercept":5.503903785253317,"variance":0.9166488795109591,"difficulty":-1398,"discrimination":0.004479398673070138,"irt_loglikelihood":-431.52088214572785,"irt_users":7862,"is_experimental":false},"abc202_b":{"slope":-0.0008820508772263841,"intercept":6.204637962757692,"variance":0.44600887057989647,"difficulty":-884,"discrimination":0.004479398673070138,"irt_loglikelihood":-1029.2122007844036,"irt_users":7862,"is_experimental":false},"abc202_c":{"slope":-0.001196298833825231,"intercept":7.699585468677119,"variance":0.5023953443427608,"difficulty":130,"discrimination":0.004479398673070138,"irt_loglikelihood":-2889.429407075185,"irt_users":8079,"is_experimental":false},"abc202_d":{"slope":-0.0009772551913245602,"intercept":8.710617150994134,"variance":0.312881506825225,"difficulty":966,"discrimination":0.004479398673070138,"irt_loglikelihood":-2477.7851829046176,"irt_users":8079,"is_experimental":false},"abc202_e":{"slope":-0.0005669808905660778,"intercept":8.378013239598188,"variance":0.47703221662096085,"difficulty":1638,"discrimination":0.004479398673070138,"irt_loglikelihood":-1303.9872251998477,"irt_users":8079,"is_experimental":false},"abc202_f":{"difficulty":2905,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.337470761809406,"irt_users":8079,"is_experimental":false},"arc120_a":{"slope":-0.0009729126475268077,"intercept":8.390627024388774,"variance":0.4017226334060124,"difficulty":183,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.9645262858311,"irt_users":2040,"is_experimental":false},"arc120_b":{"slope":-0.0010076576612402716,"intercept":8.664656789474332,"variance":0.38168096764835624,"difficulty":835,"discrimination":0.004479398673070138,"irt_loglikelihood":-703.1866325027644,"irt_users":2040,"is_experimental":false},"arc120_c":{"slope":-0.0009613073108066872,"intercept":9.257022300485035,"variance":0.2517518039725438,"difficulty":1478,"discrimination":0.004479398673070138,"irt_loglikelihood":-519.1581705764958,"irt_users":2040,"is_experimental":false},"arc120_d":{"slope":-0.0006214257847538873,"intercept":8.647177294817453,"variance":0.3287219068591632,"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-431.0638941278227,"irt_users":2040,"is_experimental":false},"arc120_e":{"slope":-0.00006792869380087494,"intercept":8.226615244809611,"variance":0.1737075645323253,"difficulty":2653,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.3882247904216,"irt_users":2040,"is_experimental":false},"arc120_f":{"slope":-0.00046205580087292723,"intercept":9.292394709587745,"variance":0.10036396302608486,"difficulty":3094,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.98685383112113,"irt_users":2040,"is_experimental":false},"arc120_f2":{"is_experimental":false},"arc121_a":{"slope":-0.0007710942861795108,"intercept":8.473213907027535,"variance":0.32450611820150776,"difficulty":459,"discrimination":0.004479398673070138,"irt_loglikelihood":-1408.2741497224772,"irt_users":3298,"is_experimental":false},"arc121_b":{"slope":-0.000626544076875,"intercept":8.841347643968783,"variance":0.248623510840525,"difficulty":1159,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.543958399552,"irt_users":3298,"is_experimental":false},"arc121_c":{"slope":-0.00035812333541863407,"intercept":8.597629022611896,"variance":0.2468786933690807,"difficulty":1856,"discrimination":0.004479398673070138,"irt_loglikelihood":-805.3312783670417,"irt_users":3298,"is_experimental":false},"arc121_d":{"slope":-0.0007746431555193862,"intercept":9.37648796674136,"variance":0.3485635362287292,"difficulty":2784,"discrimination":0.004479398673070138,"irt_loglikelihood":-177.45656027433688,"irt_users":3298,"is_experimental":false},"arc121_e":{"slope":-0.0005224402277082667,"intercept":8.838915931456834,"variance":0.35763313848833045,"difficulty":2645,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.27535917873146,"irt_users":3298,"is_experimental":false},"arc121_f":{"slope":-0.0004673031341565731,"intercept":8.63549147199406,"variance":0.3027452820010663,"difficulty":2940,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.22676467287307,"irt_users":3298,"is_experimental":false},"abc203_a":{"slope":-0.000753853470912867,"intercept":5.943435586784458,"variance":0.7848024956307382,"difficulty":-1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-465.432335527799,"irt_users":7498,"is_experimental":false},"abc203_b":{"slope":-0.0007612410471505543,"intercept":5.8964193844984765,"variance":0.32905837533407006,"difficulty":-997,"discrimination":0.004479398673070138,"irt_loglikelihood":-760.5473842382663,"irt_users":7498,"is_experimental":false},"abc203_c":{"slope":-0.0010075953830995322,"intercept":7.642992702736204,"variance":0.42137309506635817,"difficulty":54,"discrimination":0.004479398673070138,"irt_loglikelihood":-2658.334242568766,"irt_users":7708,"is_experimental":false},"abc203_d":{"slope":-0.0008152974727988979,"intercept":8.868951811405127,"variance":0.40232837369843577,"difficulty":1622,"discrimination":0.004479398673070138,"irt_loglikelihood":-1212.4348229732561,"irt_users":7708,"is_experimental":false},"abc203_e":{"slope":-0.0007525049767053964,"intercept":9.04045784046394,"variance":0.3589587669097311,"difficulty":1750,"discrimination":0.004479398673070138,"irt_loglikelihood":-910.0048287819765,"irt_users":7708,"is_experimental":false},"abc203_f":{"slope":-0.0007912750551925476,"intercept":9.156114234495133,"variance":0.32745828193686116,"difficulty":2252,"discrimination":0.004479398673070138,"irt_loglikelihood":-322.2335459333703,"irt_users":7708,"is_experimental":false},"abc204_a":{"slope":-0.0008367365575065188,"intercept":6.09936721853033,"variance":0.629541639504325,"difficulty":-1213,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.231167878974,"irt_users":7833,"is_experimental":false},"abc204_b":{"slope":-0.0007407201637878327,"intercept":5.549953350849567,"variance":0.3201868874059852,"difficulty":-1132,"discrimination":0.004479398673070138,"irt_loglikelihood":-649.0944060902565,"irt_users":7833,"is_experimental":false},"abc204_c":{"slope":-0.0010943497415143585,"intercept":7.820518817063779,"variance":0.5656805845309064,"difficulty":629,"discrimination":0.004479398673070138,"irt_loglikelihood":-3248.7432695207967,"irt_users":8080,"is_experimental":false},"abc204_d":{"slope":-0.0010749506386372326,"intercept":8.291700793168248,"variance":0.5127124073028745,"difficulty":832,"discrimination":0.004479398673070138,"irt_loglikelihood":-2905.8462139249414,"irt_users":8080,"is_experimental":false},"abc204_e":{"slope":-0.0005379457955665581,"intercept":8.726397678891745,"variance":0.30279165697616667,"difficulty":1710,"discrimination":0.004479398673070138,"irt_loglikelihood":-1208.455961464783,"irt_users":8080,"is_experimental":false},"abc204_f":{"slope":-0.0007299423204227351,"intercept":9.038897646401255,"variance":0.2733363896029118,"difficulty":2044,"discrimination":0.004479398673070138,"irt_loglikelihood":-473.91696071761635,"irt_users":8080,"is_experimental":false},"arc122_a":{"slope":-0.0010105429411803987,"intercept":8.884247976551892,"variance":0.35429417712740224,"difficulty":783,"discrimination":0.004479398673070138,"irt_loglikelihood":-739.4167344121413,"irt_users":2172,"is_experimental":false},"arc122_b":{"slope":-0.0008123774601072258,"intercept":8.422740395614564,"variance":0.3998911664302508,"difficulty":729,"discrimination":0.004479398673070138,"irt_loglikelihood":-788.475543307577,"irt_users":2172,"is_experimental":false},"arc122_c":{"slope":-0.0005202761853438664,"intercept":8.859835836032147,"variance":0.2192852711915919,"difficulty":1818,"discrimination":0.004479398673070138,"irt_loglikelihood":-695.1466356392676,"irt_users":2172,"is_experimental":false},"arc122_d":{"slope":-0.0005661546914251745,"intercept":9.113131304585172,"variance":0.2530233828776292,"difficulty":2331,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.1230796525753,"irt_users":2172,"is_experimental":false},"arc122_e":{"slope":-0.00044914744019741335,"intercept":8.468664393052059,"variance":0.3577375661104654,"difficulty":2535,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.25604314749214,"irt_users":2172,"is_experimental":false},"arc122_f":{"is_experimental":false},"abc205_a":{"slope":-0.0008523927954799481,"intercept":5.7506385242304185,"variance":0.7630037617527614,"difficulty":-1295,"discrimination":0.004479398673070138,"irt_loglikelihood":-548.9496175351637,"irt_users":7889,"is_experimental":false},"abc205_b":{"slope":-0.0009411967973679542,"intercept":6.030766128528911,"variance":0.4527454896400579,"difficulty":-889,"discrimination":0.004479398673070138,"irt_loglikelihood":-982.7200018347856,"irt_users":7889,"is_experimental":false},"abc205_c":{"slope":-0.0008464598933367433,"intercept":7.198888946064586,"variance":0.6136395255493573,"difficulty":-340,"discrimination":0.004479398673070138,"irt_loglikelihood":-2337.174174597883,"irt_users":8107,"is_experimental":false},"abc205_d":{"slope":-0.0009554037293115075,"intercept":8.379879494878013,"variance":0.37540688022878904,"difficulty":713,"discrimination":0.004479398673070138,"irt_loglikelihood":-2754.002218669377,"irt_users":8107,"is_experimental":false},"abc205_e":{"slope":-0.0006134297987784453,"intercept":8.796662187794228,"variance":0.3207981853998421,"difficulty":2025,"discrimination":0.004479398673070138,"irt_loglikelihood":-727.5538948079485,"irt_users":8107,"is_experimental":false},"abc205_f":{"slope":-0.0008211387434397507,"intercept":9.136067443928498,"variance":0.44376977996906997,"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-520.8419621055164,"irt_users":8107,"is_experimental":false},"abc206_a":{"slope":-0.0007197609640421091,"intercept":6.137609907600427,"variance":0.5861355597821373,"difficulty":-1335,"discrimination":0.004479398673070138,"irt_loglikelihood":-552.4569162986638,"irt_users":8090,"is_experimental":false},"abc206_b":{"slope":-0.0007259301282677701,"intercept":6.055228485423442,"variance":0.5431976147056935,"difficulty":-946,"discrimination":0.004479398673070138,"irt_loglikelihood":-1141.331086633979,"irt_users":8090,"is_experimental":false},"abc206_c":{"slope":-0.0013896756941850614,"intercept":7.558745847723705,"variance":0.6639629886879693,"difficulty":60,"discrimination":0.004479398673070138,"irt_loglikelihood":-2914.2942115805026,"irt_users":8326,"is_experimental":false},"abc206_d":{"slope":-0.0011750483330352163,"intercept":8.512926702529715,"variance":0.5035943021942136,"difficulty":879,"discrimination":0.004479398673070138,"irt_loglikelihood":-2514.8650569284277,"irt_users":8326,"is_experimental":false},"abc206_e":{"slope":-0.0005672960417836667,"intercept":8.639886554273748,"variance":0.30113028373129463,"difficulty":1745,"discrimination":0.004479398673070138,"irt_loglikelihood":-1095.4341768395966,"irt_users":8326,"is_experimental":false},"abc206_f":{"slope":-0.0007029967666847698,"intercept":8.871923981666503,"variance":0.4118217853443351,"difficulty":2221,"discrimination":0.004479398673070138,"irt_loglikelihood":-339.98152353790795,"irt_users":8326,"is_experimental":false},"abc207_a":{"slope":-0.0009265132092180202,"intercept":5.707470471251915,"variance":0.8504728759536669,"difficulty":-1304,"discrimination":0.004479398673070138,"irt_loglikelihood":-487.08781438492423,"irt_users":7480,"is_experimental":false},"abc207_b":{"slope":-0.0008816568975980156,"intercept":7.422849113235636,"variance":0.5389711648492561,"difficulty":-161,"discrimination":0.004479398673070138,"irt_loglikelihood":-2871.773519197816,"irt_users":7480,"is_experimental":false},"abc207_c":{"slope":-0.0008271807315483575,"intercept":7.99027581643807,"variance":0.31387734816697277,"difficulty":397,"discrimination":0.004479398673070138,"irt_loglikelihood":-3430.316898022617,"irt_users":7706,"is_experimental":false},"abc207_d":{"slope":-0.0005251647621045626,"intercept":8.84062561157873,"variance":0.21982633150390876,"difficulty":2074,"discrimination":0.004479398673070138,"irt_loglikelihood":-786.7774384174235,"irt_users":7706,"is_experimental":false},"abc207_e":{"slope":-0.0005925588820846927,"intercept":8.696836776563893,"variance":0.37582332790712,"difficulty":1820,"discrimination":0.004479398673070138,"irt_loglikelihood":-926.5146638475406,"irt_users":7706,"is_experimental":false},"abc207_f":{"slope":-0.0005176733362136312,"intercept":8.680069107652539,"variance":0.28200312035783565,"difficulty":2398,"discrimination":0.004479398673070138,"irt_loglikelihood":-270.94246133498007,"irt_users":7706,"is_experimental":false},"agc054_a":{"slope":-0.0008154402763491654,"intercept":7.822676850669915,"variance":0.49356548378436593,"difficulty":-62,"discrimination":0.004479398673070138,"irt_loglikelihood":-284.0683067851659,"irt_users":1398,"is_experimental":false},"agc054_b":{"slope":-0.0008724023427537658,"intercept":9.379485465634273,"variance":0.36422514015113017,"difficulty":1710,"discrimination":0.004479398673070138,"irt_loglikelihood":-635.0426500572219,"irt_users":1398,"is_experimental":false},"agc054_c":{"slope":-0.0005857390474246911,"intercept":8.988318147443486,"variance":0.34696392842582724,"difficulty":1863,"discrimination":0.004479398673070138,"irt_loglikelihood":-493.73789172621315,"irt_users":1398,"is_experimental":false},"agc054_d":{"slope":-0.0003879311041058439,"intercept":9.662441046092743,"variance":0.085387314678981,"difficulty":3426,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.2064837444748,"irt_users":1398,"is_experimental":false},"agc054_e":{"slope":-0.00010490047463775132,"intercept":8.817651280779984,"variance":0.11737841959136461,"difficulty":3499,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.62436027917375,"irt_users":1398,"is_experimental":false},"agc054_f":{"difficulty":4300,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.04863126731148,"irt_users":1398,"is_experimental":false},"abc208_a":{"slope":-0.0011095749616441023,"intercept":6.49361311119915,"variance":0.934083118524653,"difficulty":-662,"discrimination":0.004479398673070138,"irt_loglikelihood":-1567.1513169851594,"irt_users":7464,"is_experimental":false},"abc208_b":{"slope":-0.0009431478184794738,"intercept":6.948960589193448,"variance":0.3519583819965298,"difficulty":-421,"discrimination":0.004479398673070138,"irt_loglikelihood":-1962.1224281526938,"irt_users":7464,"is_experimental":false},"abc208_c":{"slope":-0.0010308926262756995,"intercept":7.436197559972019,"variance":0.33259967862399875,"difficulty":-13,"discrimination":0.004479398673070138,"irt_loglikelihood":-2404.0193400048383,"irt_users":7704,"is_experimental":false},"abc208_d":{"slope":-0.0007019710014218809,"intercept":8.12789854246002,"variance":0.5644806305843637,"difficulty":1190,"discrimination":0.004479398673070138,"irt_loglikelihood":-2760.1521206346424,"irt_users":7704,"is_experimental":false},"abc208_e":{"slope":-0.0004002992549152041,"intercept":8.632019202051602,"variance":0.26455628062905984,"difficulty":2024,"discrimination":0.004479398673070138,"irt_loglikelihood":-666.5292250388555,"irt_users":7704,"is_experimental":false},"abc208_f":{"difficulty":2772,"discrimination":0.004479398673070138,"irt_loglikelihood":-118.29883646005376,"irt_users":7704,"is_experimental":false},"abc209_a":{"slope":-0.0008060583424128103,"intercept":5.865788482309369,"variance":0.9736925816150488,"difficulty":-1380,"discrimination":0.004479398673070138,"irt_loglikelihood":-421.615537787544,"irt_users":7797,"is_experimental":false},"abc209_b":{"slope":-0.0007711504828164783,"intercept":6.146244521123885,"variance":0.4486929590074866,"difficulty":-978,"discrimination":0.004479398673070138,"irt_loglikelihood":-944.1945583698044,"irt_users":7797,"is_experimental":false},"abc209_c":{"slope":-0.0010735157706802583,"intercept":7.567295229620285,"variance":0.48993833018966604,"difficulty":264,"discrimination":0.004479398673070138,"irt_loglikelihood":-3628.563602001912,"irt_users":8038,"is_experimental":false},"abc209_d":{"slope":-0.00104820456055646,"intercept":8.109099915849006,"variance":0.47975306148551383,"difficulty":686,"discrimination":0.004479398673070138,"irt_loglikelihood":-2666.5486280825066,"irt_users":8038,"is_experimental":false},"abc209_e":{"slope":-0.0007032070319707729,"intercept":9.285788788665231,"variance":0.292371038762463,"difficulty":2153,"discrimination":0.004479398673070138,"irt_loglikelihood":-549.0304266247576,"irt_users":8038,"is_experimental":false},"abc209_f":{"slope":-0.0008705742135897665,"intercept":9.462247406944996,"variance":0.3692166701462248,"difficulty":2307,"discrimination":0.004479398673070138,"irt_loglikelihood":-328.1802960665442,"irt_users":8038,"is_experimental":false},"abc210_a":{"slope":-0.0009247528771925752,"intercept":6.424480852535424,"variance":0.7878664670975364,"difficulty":-813,"discrimination":0.004479398673070138,"irt_loglikelihood":-1449.8912227070373,"irt_users":7766,"is_experimental":false},"abc210_b":{"slope":-0.000835837403962222,"intercept":6.2319512224310065,"variance":0.4269499590758149,"difficulty":-756,"discrimination":0.004479398673070138,"irt_loglikelihood":-1338.7903127898287,"irt_users":7766,"is_experimental":false},"abc210_c":{"slope":-0.0010542134420588147,"intercept":7.75415630189686,"variance":0.6160285161854065,"difficulty":357,"discrimination":0.004479398673070138,"irt_loglikelihood":-3256.1528300975287,"irt_users":7995,"is_experimental":false},"abc210_d":{"slope":-0.0007289742463974447,"intercept":8.820419381336096,"variance":0.33348933045317497,"difficulty":1507,"discrimination":0.004479398673070138,"irt_loglikelihood":-1603.6612045704444,"irt_users":7995,"is_experimental":false},"abc210_e":{"slope":-0.000902293256573309,"intercept":9.013834388931128,"variance":0.4168437983154979,"difficulty":1618,"discrimination":0.004479398673070138,"irt_loglikelihood":-1119.0846303692626,"irt_users":7995,"is_experimental":false},"abc210_f":{"slope":-0.00015227701823758465,"intercept":8.157197250292183,"variance":0.32485178462757464,"difficulty":2632,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.4393233297072,"irt_users":7995,"is_experimental":false},"arc123_a":{"slope":-0.0006958337264361242,"intercept":7.883521869443386,"variance":0.5063829148387348,"difficulty":73,"discrimination":0.004479398673070138,"irt_loglikelihood":-1406.883110395735,"irt_users":3338,"is_experimental":false},"arc123_b":{"slope":-0.0007038236894893861,"intercept":7.728607332360618,"variance":0.5131879675437407,"difficulty":348,"discrimination":0.004479398673070138,"irt_loglikelihood":-1264.021572258223,"irt_users":3338,"is_experimental":false},"arc123_c":{"slope":-0.0005040372511980332,"intercept":8.891541777573234,"variance":0.3190561301731286,"difficulty":1827,"discrimination":0.004479398673070138,"irt_loglikelihood":-904.2181167730405,"irt_users":3338,"is_experimental":false},"arc123_d":{"slope":-0.0004966770125043371,"intercept":8.815006882579912,"variance":0.3966196879242489,"difficulty":2143,"discrimination":0.004479398673070138,"irt_loglikelihood":-545.071628971668,"irt_users":3338,"is_experimental":false},"arc123_e":{"slope":-0.00047610459551012324,"intercept":9.153446955463219,"variance":0.14701276376663136,"difficulty":2828,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.1692063943303,"irt_users":3338,"is_experimental":false},"arc123_f":{"slope":-0.00019241768055798617,"intercept":8.968909590038205,"variance":0.119668493467044,"difficulty":3424,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.688523083208665,"irt_users":3338,"is_experimental":false},"abc211_a":{"slope":-0.0009033589704095641,"intercept":5.812377286242599,"variance":0.8268705258131166,"difficulty":-1262,"discrimination":0.004479398673070138,"irt_loglikelihood":-527.5795546616114,"irt_users":7561,"is_experimental":false},"abc211_b":{"slope":-0.0008419343195763861,"intercept":6.1786226526299375,"variance":0.4225096753955923,"difficulty":-864,"discrimination":0.004479398673070138,"irt_loglikelihood":-1085.9625840367903,"irt_users":7561,"is_experimental":false},"abc211_c":{"slope":-0.0010518561690424607,"intercept":7.798978143521903,"variance":0.5341798633084099,"difficulty":559,"discrimination":0.004479398673070138,"irt_loglikelihood":-2984.6523447651125,"irt_users":7785,"is_experimental":false},"abc211_d":{"slope":-0.000942104567081367,"intercept":8.196417095435145,"variance":0.4627135430260215,"difficulty":755,"discrimination":0.004479398673070138,"irt_loglikelihood":-2570.606893955978,"irt_users":7785,"is_experimental":false},"abc211_e":{"slope":-0.0005496072750628669,"intercept":8.726396839434747,"variance":0.23288976393625713,"difficulty":1823,"discrimination":0.004479398673070138,"irt_loglikelihood":-928.1821834332391,"irt_users":7785,"is_experimental":false},"abc211_f":{"slope":-0.0007799903620189187,"intercept":9.478024841561687,"variance":0.18433001809033764,"difficulty":2350,"discrimination":0.004479398673070138,"irt_loglikelihood":-254.43565560375512,"irt_users":7785,"is_experimental":false},"arc124_a":{"slope":-0.0008374551359675985,"intercept":8.107169896621409,"variance":0.3251521876040383,"difficulty":149,"discrimination":0.004479398673070138,"irt_loglikelihood":-602.7995840269479,"irt_users":2182,"is_experimental":false},"arc124_b":{"slope":-0.0008441088767031719,"intercept":8.504066632756064,"variance":0.4808602169318313,"difficulty":788,"discrimination":0.004479398673070138,"irt_loglikelihood":-1009.9116574885176,"irt_users":2182,"is_experimental":false},"arc124_c":{"slope":-0.0007712706568577351,"intercept":8.863136890222139,"variance":0.43840933672736737,"difficulty":1495,"discrimination":0.004479398673070138,"irt_loglikelihood":-863.845225656185,"irt_users":2182,"is_experimental":false},"arc124_d":{"slope":-0.0003213584488957549,"intercept":8.558629714688324,"variance":0.25005477412330235,"difficulty":2008,"discrimination":0.004479398673070138,"irt_loglikelihood":-522.7194003391866,"irt_users":2182,"is_experimental":false},"arc124_e":{"slope":-0.00011325216913210125,"intercept":8.411895974291713,"variance":0.16989862906430267,"difficulty":3031,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.2818759705479,"irt_users":2182,"is_experimental":false},"arc124_f":{"slope":-0.00009788260638891923,"intercept":8.189318975727197,"variance":0.2179202831184166,"difficulty":3246,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.830707527758136,"irt_users":2182,"is_experimental":false},"abc212_a":{"slope":-0.0007279915534951091,"intercept":5.882134263202227,"variance":0.6655863492802899,"difficulty":-1351,"discrimination":0.004479398673070138,"irt_loglikelihood":-512.61711393258,"irt_users":7009,"is_experimental":false},"abc212_b":{"slope":-0.0009403916887938396,"intercept":7.079989813013268,"variance":0.3801699125613177,"difficulty":-330,"discrimination":0.004479398673070138,"irt_loglikelihood":-2118.5863804036053,"irt_users":7009,"is_experimental":false},"abc212_c":{"slope":-0.001056546906081693,"intercept":7.559929422026278,"variance":0.5124530093679266,"difficulty":205,"discrimination":0.004479398673070138,"irt_loglikelihood":-2784.30405626062,"irt_users":7241,"is_experimental":false},"abc212_d":{"slope":-0.0009818450071341692,"intercept":8.043024572309317,"variance":0.558888386295464,"difficulty":775,"discrimination":0.004479398673070138,"irt_loglikelihood":-2496.836155364356,"irt_users":7241,"is_experimental":false},"abc212_e":{"slope":-0.0010240929503499742,"intercept":8.794277495687618,"variance":0.35332506810950376,"difficulty":1410,"discrimination":0.004479398673070138,"irt_loglikelihood":-1320.969859008814,"irt_users":7241,"is_experimental":false},"abc212_f":{"slope":-0.0005066939591025326,"intercept":8.928007102900416,"variance":0.16298534208631235,"difficulty":2332,"discrimination":0.004479398673070138,"irt_loglikelihood":-348.77558754949735,"irt_users":7241,"is_experimental":false},"abc212_g":{"slope":-0.0006842128080095606,"intercept":9.025897031002646,"variance":0.30827047538547275,"difficulty":2150,"discrimination":0.004479398673070138,"irt_loglikelihood":-451.9524117045577,"irt_users":7241,"is_experimental":false},"abc212_h":{"slope":-0.00041178990922428844,"intercept":8.353876510946273,"variance":0.3250324588549087,"difficulty":2741,"discrimination":0.004479398673070138,"irt_loglikelihood":-120.33528555325698,"irt_users":7241,"is_experimental":false},"abc213_a":{"slope":-0.0012899969929153483,"intercept":6.314848220302917,"variance":1.015138234876099,"difficulty":-600,"discrimination":0.004479398673070138,"irt_loglikelihood":-1304.2376139896664,"irt_users":7085,"is_experimental":false},"abc213_b":{"slope":-0.0010685666626050819,"intercept":6.471306764004024,"variance":0.48518966128546714,"difficulty":-692,"discrimination":0.004479398673070138,"irt_loglikelihood":-917.9435552352397,"irt_users":7085,"is_experimental":false},"abc213_c":{"slope":-0.0012707378752985295,"intercept":8.30467539621517,"variance":0.38337145141461526,"difficulty":481,"discrimination":0.004479398673070138,"irt_loglikelihood":-2665.653052577357,"irt_users":7085,"is_experimental":false},"abc213_d":{"slope":-0.0009610747874184304,"intercept":7.9893910581454985,"variance":0.5324422346992392,"difficulty":710,"discrimination":0.004479398673070138,"irt_loglikelihood":-2667.3159799963605,"irt_users":7085,"is_experimental":false},"abc213_e":{"slope":-0.00042067161631213486,"intercept":8.209840701889181,"variance":0.28950061707275887,"difficulty":1423,"discrimination":0.004479398673070138,"irt_loglikelihood":-1330.6166188341888,"irt_users":7085,"is_experimental":false},"abc213_f":{"slope":-0.000202687295435017,"intercept":8.093059093615704,"variance":0.24401941878827524,"difficulty":2215,"discrimination":0.004479398673070138,"irt_loglikelihood":-297.1270887402192,"irt_users":7085,"is_experimental":false},"abc213_g":{"difficulty":2663,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.30489050969923,"irt_users":7085,"is_experimental":false},"abc213_h":{"slope":-0.000054030034767188554,"intercept":8.37372683066358,"variance":0.1751581096656835,"difficulty":2806,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.78585122706038,"irt_users":7085,"is_experimental":false},"abc214_a":{"slope":-0.0007478590384320727,"intercept":5.741046674368759,"variance":0.8211042166978682,"difficulty":-1424,"discrimination":0.004479398673070138,"irt_loglikelihood":-432.5833849734544,"irt_users":7369,"is_experimental":false},"abc214_b":{"slope":-0.0009082301941127749,"intercept":6.3926102002898375,"variance":0.5262652990688989,"difficulty":-405,"discrimination":0.004479398673070138,"irt_loglikelihood":-2215.437096474504,"irt_users":7369,"is_experimental":false},"abc214_c":{"slope":-0.0009608969265113858,"intercept":8.053399405555515,"variance":0.37010218764686925,"difficulty":309,"discrimination":0.004479398673070138,"irt_loglikelihood":-3385.4826536165274,"irt_users":7627,"is_experimental":false},"abc214_d":{"slope":-0.0011143499446396653,"intercept":8.721418739191316,"variance":0.5205973906279544,"difficulty":1341,"discrimination":0.004479398673070138,"irt_loglikelihood":-1662.1230468122458,"irt_users":7627,"is_experimental":false},"abc214_e":{"slope":-0.0006902386595205093,"intercept":8.840911358429876,"variance":0.3548077901240887,"difficulty":1835,"discrimination":0.004479398673070138,"irt_loglikelihood":-869.9971527260068,"irt_users":7627,"is_experimental":false},"abc214_f":{"slope":-0.0008330373548755712,"intercept":9.006880682085129,"variance":0.40130196108130556,"difficulty":1973,"discrimination":0.004479398673070138,"irt_loglikelihood":-625.8915325254552,"irt_users":7627,"is_experimental":false},"abc214_g":{"slope":-0.00039042643225861516,"intercept":8.56184161982125,"variance":0.24814099757923816,"difficulty":2893,"discrimination":0.004479398673070138,"irt_loglikelihood":-96.0704313755693,"irt_users":7627,"is_experimental":false},"abc214_h":{"slope":-0.0005001364359036857,"intercept":9.090406294225138,"variance":0.25999779202166595,"difficulty":3138,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.531282275684504,"irt_users":7627,"is_experimental":false},"abc215_a":{"slope":-0.000807965129956038,"intercept":5.616879915817072,"variance":0.9487800819647909,"difficulty":-1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.8758504426834,"irt_users":7483,"is_experimental":false},"abc215_b":{"slope":-0.0010637797896968454,"intercept":6.62560980886011,"variance":0.9134885501409413,"difficulty":-307,"discrimination":0.004479398673070138,"irt_loglikelihood":-2702.8482510581744,"irt_users":7483,"is_experimental":false},"abc215_c":{"slope":-0.0009720660748246148,"intercept":7.12265293561469,"variance":0.720955214228795,"difficulty":76,"discrimination":0.004479398673070138,"irt_loglikelihood":-3325.700844210651,"irt_users":7731,"is_experimental":false},"abc215_d":{"slope":-0.0009000379276026267,"intercept":8.16644817310977,"variance":0.4913943007420334,"difficulty":736,"discrimination":0.004479398673070138,"irt_loglikelihood":-2698.590838865286,"irt_users":7731,"is_experimental":false},"abc215_e":{"slope":-0.0009636526033415985,"intercept":8.921119477592566,"variance":0.2766677174313329,"difficulty":1413,"discrimination":0.004479398673070138,"irt_loglikelihood":-1296.5857771525925,"irt_users":7731,"is_experimental":false},"abc215_f":{"slope":-0.0005395485772049178,"intercept":8.309187988463153,"variance":0.38209656824807015,"difficulty":1853,"discrimination":0.004479398673070138,"irt_loglikelihood":-860.8743230013503,"irt_users":7731,"is_experimental":false},"abc215_g":{"slope":-0.0003777674713972893,"intercept":8.26365257178704,"variance":0.29589673359817453,"difficulty":2276,"discrimination":0.004479398673070138,"irt_loglikelihood":-332.56344710091065,"irt_users":7731,"is_experimental":false},"abc215_h":{"difficulty":3101,"discrimination":0.004479398673070138,"irt_loglikelihood":-38.98303430584523,"irt_users":7731,"is_experimental":false},"arc125_a":{"slope":-0.0007906217215398226,"intercept":8.491002088548877,"variance":0.3590924342454443,"difficulty":442,"discrimination":0.004479398673070138,"irt_loglikelihood":-772.7389711336064,"irt_users":2081,"is_experimental":false},"arc125_b":{"slope":-0.000594574808591481,"intercept":8.508065853660986,"variance":0.4014797538927367,"difficulty":1273,"discrimination":0.004479398673070138,"irt_loglikelihood":-1084.4646205253764,"irt_users":2081,"is_experimental":false},"arc125_c":{"slope":-0.0005262271046815419,"intercept":8.878288560752107,"variance":0.27826620678394,"difficulty":1896,"discrimination":0.004479398673070138,"irt_loglikelihood":-601.4243855315035,"irt_users":2081,"is_experimental":false},"arc125_d":{"slope":-0.0005578689765225428,"intercept":8.772312085037585,"variance":0.3077931508196307,"difficulty":2187,"discrimination":0.004479398673070138,"irt_loglikelihood":-388.91194515909,"irt_users":2081,"is_experimental":false},"arc125_e":{"slope":-0.00010899945805762088,"intercept":7.880707405420476,"variance":0.2899066794088723,"difficulty":2874,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.2581975136321,"irt_users":2081,"is_experimental":false},"arc125_f":{"slope":-0.0003023432637675601,"intercept":8.83637739206577,"variance":0.08281147991030353,"difficulty":3541,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.309771038380104,"irt_users":2081,"is_experimental":false},"abc216_a":{"slope":-0.000783981022520565,"intercept":6.53926228857126,"variance":0.6412464735228941,"difficulty":-860,"discrimination":0.004479398673070138,"irt_loglikelihood":-1144.646322126742,"irt_users":6538,"is_experimental":false},"abc216_b":{"slope":-0.0009175357796984035,"intercept":6.480804534154979,"variance":0.5008553493188452,"difficulty":-537,"discrimination":0.004479398673070138,"irt_loglikelihood":-1440.7774822410395,"irt_users":6538,"is_experimental":false},"abc216_c":{"slope":-0.0009114570118156873,"intercept":7.240434899569533,"variance":0.5512267866519932,"difficulty":-6,"discrimination":0.004479398673070138,"irt_loglikelihood":-2501.338104701363,"irt_users":6784,"is_experimental":false},"abc216_d":{"slope":-0.0008866685778264262,"intercept":8.513660459516919,"variance":0.28710380177260847,"difficulty":1039,"discrimination":0.004479398673070138,"irt_loglikelihood":-1928.8255647104802,"irt_users":6784,"is_experimental":false},"abc216_e":{"slope":-0.0008167466182869579,"intercept":8.53909177671653,"variance":0.265756916641692,"difficulty":1084,"discrimination":0.004479398673070138,"irt_loglikelihood":-1798.6812019202857,"irt_users":6784,"is_experimental":false},"abc216_f":{"slope":-0.0008633370915745205,"intercept":8.506825330184817,"variance":0.3169595422381566,"difficulty":1541,"discrimination":0.004479398673070138,"irt_loglikelihood":-914.2610609178327,"irt_users":6784,"is_experimental":false},"abc216_g":{"slope":-0.0004309905495601835,"intercept":8.07374502335775,"variance":0.3367736183612807,"difficulty":1963,"discrimination":0.004479398673070138,"irt_loglikelihood":-590.0811126783426,"irt_users":6784,"is_experimental":false},"abc216_h":{"slope":-0.00037173789151688204,"intercept":8.926986375430587,"variance":0.12715523596897632,"difficulty":3295,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.995796543318846,"irt_users":6784,"is_experimental":false},"abc217_a":{"slope":-0.0010366764149828994,"intercept":5.989932243908952,"variance":1.039671180100706,"difficulty":-772,"discrimination":0.004479398673070138,"irt_loglikelihood":-1095.5014298168403,"irt_users":7490,"is_experimental":false},"abc217_b":{"slope":-0.0009135977754507043,"intercept":6.18321370441171,"variance":0.40224718002319504,"difficulty":-763,"discrimination":0.004479398673070138,"irt_loglikelihood":-1024.8031509274679,"irt_users":7490,"is_experimental":false},"abc217_c":{"slope":-0.0010778968957276664,"intercept":6.533571149730053,"variance":0.4003969725127612,"difficulty":-439,"discrimination":0.004479398673070138,"irt_loglikelihood":-1632.2085857825125,"irt_users":7490,"is_experimental":false},"abc217_d":{"slope":-0.00093638066061287,"intercept":7.993576989180885,"variance":0.5380778560800508,"difficulty":802,"discrimination":0.004479398673070138,"irt_loglikelihood":-3318.7240682150095,"irt_users":7490,"is_experimental":false},"abc217_e":{"slope":-0.0009812339202286422,"intercept":8.320137361250154,"variance":0.5466183627756223,"difficulty":986,"discrimination":0.004479398673070138,"irt_loglikelihood":-2250.005773821881,"irt_users":7490,"is_experimental":false},"abc217_f":{"slope":-0.0005630811431345986,"intercept":8.841673532396243,"variance":0.2731822797460108,"difficulty":1954,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.341236258298,"irt_users":7490,"is_experimental":false},"abc217_g":{"slope":-0.0003838387617788211,"intercept":8.267062610739853,"variance":0.36092068044629905,"difficulty":2047,"discrimination":0.004479398673070138,"irt_loglikelihood":-467.18933026759373,"irt_users":7490,"is_experimental":false},"abc217_h":{"difficulty":3112,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.463578711009019,"irt_users":7490,"is_experimental":false},"abc218_a":{"slope":-0.0008362895186539033,"intercept":5.814521440444318,"variance":0.8223494177732438,"difficulty":-1219,"discrimination":0.004479398673070138,"irt_loglikelihood":-540.7757090644554,"irt_users":7723,"is_experimental":false},"abc218_b":{"slope":-0.0008291337313114397,"intercept":5.943920906401448,"variance":0.4522192220770561,"difficulty":-929,"discrimination":0.004479398673070138,"irt_loglikelihood":-937.1210578010167,"irt_users":7723,"is_experimental":false},"abc218_c":{"slope":-0.0007596641789327696,"intercept":8.46053582252929,"variance":0.26308254633058953,"difficulty":1012,"discrimination":0.004479398673070138,"irt_loglikelihood":-3656.4511807425547,"irt_users":7981,"is_experimental":false},"abc218_d":{"slope":-0.0008953317959280887,"intercept":8.16148384762289,"variance":0.43324176496630895,"difficulty":715,"discrimination":0.004479398673070138,"irt_loglikelihood":-3169.0862142323176,"irt_users":7981,"is_experimental":false},"abc218_e":{"slope":-0.0008879473699378595,"intercept":8.187085009864948,"variance":0.4214365197496313,"difficulty":1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-2407.9054174519597,"irt_users":7981,"is_experimental":false},"abc218_f":{"slope":-0.0005109385596065765,"intercept":8.316672135608624,"variance":0.2350602200271925,"difficulty":1753,"discrimination":0.004479398673070138,"irt_loglikelihood":-1158.9832584022706,"irt_users":7981,"is_experimental":false},"abc218_g":{"slope":-0.00020105209295186112,"intercept":7.910692290065166,"variance":0.25100654037652864,"difficulty":2217,"discrimination":0.004479398673070138,"irt_loglikelihood":-485.9002089128445,"irt_users":7981,"is_experimental":false},"abc218_h":{"slope":-0.00033012286612672467,"intercept":8.392954101033746,"variance":0.21209954965027356,"difficulty":2805,"discrimination":0.004479398673070138,"irt_loglikelihood":-140.16580215832064,"irt_users":7981,"is_experimental":false},"abc219_a":{"slope":-0.0006704250326350802,"intercept":6.017962836083679,"variance":0.6610225593019196,"difficulty":-1257,"discrimination":0.004479398673070138,"irt_loglikelihood":-571.7607008490942,"irt_users":6507,"is_experimental":false},"abc219_b":{"slope":-0.0007375253616295213,"intercept":6.0261313014284354,"variance":0.36329777627175536,"difficulty":-842,"discrimination":0.004479398673070138,"irt_loglikelihood":-974.0206814419971,"irt_users":6507,"is_experimental":false},"abc219_c":{"slope":-0.0009360540083016046,"intercept":7.716474664806071,"variance":0.478934334585566,"difficulty":227,"discrimination":0.004479398673070138,"irt_loglikelihood":-2979.3927230706518,"irt_users":6763,"is_experimental":false},"abc219_d":{"slope":-0.0010869487839279038,"intercept":8.684647801342043,"variance":0.586992055809598,"difficulty":1085,"discrimination":0.004479398673070138,"irt_loglikelihood":-1878.2622133301213,"irt_users":6763,"is_experimental":false},"abc219_e":{"slope":-0.0007153424356048836,"intercept":8.93188555872401,"variance":0.18821158726633136,"difficulty":1690,"discrimination":0.004479398673070138,"irt_loglikelihood":-1063.874722229515,"irt_users":6763,"is_experimental":false},"abc219_f":{"slope":-0.0005359334987830083,"intercept":8.96189613234729,"variance":0.24983854315955406,"difficulty":2542,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.22190330954436,"irt_users":6763,"is_experimental":false},"abc219_g":{"slope":-0.00034848281677697787,"intercept":8.337847698506957,"variance":0.29951409065977014,"difficulty":2287,"discrimination":0.004479398673070138,"irt_loglikelihood":-400.08507698884677,"irt_users":6763,"is_experimental":false},"abc219_h":{"slope":-0.00012360977237452098,"intercept":7.991478316785603,"variance":0.02274873506093009,"difficulty":3297,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.24848923992216,"irt_users":6763,"is_experimental":false},"arc126_a":{"slope":-0.0007883625783676252,"intercept":8.314416393046917,"variance":0.424248079026364,"difficulty":465,"discrimination":0.004479398673070138,"irt_loglikelihood":-1051.8321007032048,"irt_users":2158,"is_experimental":false},"arc126_b":{"slope":-0.0010902617081285178,"intercept":9.195982775774356,"variance":0.44524786590580995,"difficulty":1370,"discrimination":0.004479398673070138,"irt_loglikelihood":-666.9580859425027,"irt_users":2158,"is_experimental":false},"arc126_c":{"slope":-0.0007237463810856934,"intercept":9.04252432938449,"variance":0.3870171194744891,"difficulty":1824,"discrimination":0.004479398673070138,"irt_loglikelihood":-634.0495213802329,"irt_users":2158,"is_experimental":false},"arc126_d":{"slope":-0.00027000033763538553,"intercept":8.224666968801186,"variance":0.4081637159094807,"difficulty":2332,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.1795977569294,"irt_users":2158,"is_experimental":false},"arc126_e":{"difficulty":2766,"discrimination":0.004479398673070138,"irt_loglikelihood":-114.19246315338738,"irt_users":2158,"is_experimental":false},"arc126_f":{"difficulty":3488,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.428283491534069,"irt_users":2158,"is_experimental":false},"arc127_a":{"slope":-0.0009438216124261847,"intercept":9.042211628481232,"variance":0.45808365549652674,"difficulty":808,"discrimination":0.004479398673070138,"irt_loglikelihood":-606.3366975802442,"irt_users":1275,"is_experimental":false},"arc127_b":{"slope":-0.0005626545451405531,"intercept":8.557808596031544,"variance":0.41497095949859075,"difficulty":1594,"discrimination":0.004479398673070138,"irt_loglikelihood":-602.833247687831,"irt_users":1275,"is_experimental":false},"arc127_c":{"slope":-0.0007208164801960173,"intercept":9.3122249319857,"variance":0.1774501741008825,"difficulty":2092,"discrimination":0.004479398673070138,"irt_loglikelihood":-334.0895317053968,"irt_users":1275,"is_experimental":false},"arc127_d":{"slope":-0.0006755903421826227,"intercept":9.515959571146457,"variance":0.21385663392079204,"difficulty":2593,"discrimination":0.004479398673070138,"irt_loglikelihood":-159.392074442181,"irt_users":1275,"is_experimental":false},"arc127_e":{"slope":-0.00029247369828595414,"intercept":8.529253151656361,"variance":0.3108946777750841,"difficulty":2678,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.22399490346557,"irt_users":1275,"is_experimental":false},"arc127_f":{"difficulty":3723,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.5782412190837185,"irt_users":1275,"is_experimental":false},"abc220_a":{"slope":-0.0010049493303966868,"intercept":6.235137624979785,"variance":0.9108684839536167,"difficulty":-933,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.0693560206206,"irt_users":6555,"is_experimental":false},"abc220_b":{"slope":-0.0008628648170083981,"intercept":6.6832773133087535,"variance":0.6613848571103236,"difficulty":-370,"discrimination":0.004479398673070138,"irt_loglikelihood":-1842.4548495756883,"irt_users":6555,"is_experimental":false},"abc220_c":{"slope":-0.0008255911463360201,"intercept":7.2905132191575825,"variance":0.5286303280018583,"difficulty":-86,"discrimination":0.004479398673070138,"irt_loglikelihood":-2310.8370626623223,"irt_users":6777,"is_experimental":false},"abc220_d":{"slope":-0.001140978732386055,"intercept":8.209230768434287,"variance":0.3559693867339885,"difficulty":664,"discrimination":0.004479398673070138,"irt_loglikelihood":-2329.8968864841922,"irt_users":6777,"is_experimental":false},"abc220_e":{"slope":-0.0005298667717768402,"intercept":8.496537245983141,"variance":0.25790390467544677,"difficulty":1593,"discrimination":0.004479398673070138,"irt_loglikelihood":-1262.4566489878707,"irt_users":6777,"is_experimental":false},"abc220_f":{"slope":-0.0005340608588716571,"intercept":7.939954220334568,"variance":0.5356117919939245,"difficulty":1304,"discrimination":0.004479398673070138,"irt_loglikelihood":-1916.9787055954946,"irt_users":6777,"is_experimental":false},"abc220_g":{"slope":-0.00043422929123480375,"intercept":8.687221312437407,"variance":0.21981976148449542,"difficulty":2439,"discrimination":0.004479398673070138,"irt_loglikelihood":-277.2780051879636,"irt_users":6777,"is_experimental":false},"abc220_h":{"slope":-0.00036128327385397856,"intercept":8.948432637727189,"variance":0.22561524449912174,"difficulty":3047,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.21604632420761,"irt_users":6777,"is_experimental":false},"abc221_a":{"slope":-0.0008394587973313584,"intercept":6.069883426441476,"variance":0.8840173091795341,"difficulty":-1081,"discrimination":0.004479398673070138,"irt_loglikelihood":-962.1077172188105,"irt_users":7261,"is_experimental":false},"abc221_b":{"slope":-0.0009127045672163259,"intercept":7.051548993778936,"variance":0.6562609239873708,"difficulty":-371,"discrimination":0.004479398673070138,"irt_loglikelihood":-2344.5528647791057,"irt_users":7261,"is_experimental":false},"abc221_c":{"slope":-0.0009922536230946067,"intercept":7.895733518490673,"variance":0.3541146515160723,"difficulty":378,"discrimination":0.004479398673070138,"irt_loglikelihood":-3033.3267848473515,"irt_users":7491,"is_experimental":false},"abc221_d":{"slope":-0.0009832707578510099,"intercept":8.25880894186329,"variance":0.3378253066916342,"difficulty":832,"discrimination":0.004479398673070138,"irt_loglikelihood":-2263.941741044994,"irt_users":7491,"is_experimental":false},"abc221_e":{"slope":-0.000773177849927774,"intercept":8.609604379975668,"variance":0.38886666302912964,"difficulty":1515,"discrimination":0.004479398673070138,"irt_loglikelihood":-1117.7297544957976,"irt_users":7491,"is_experimental":false},"abc221_f":{"slope":-0.0005397438214021998,"intercept":8.871687853279354,"variance":0.24282058922540445,"difficulty":2093,"discrimination":0.004479398673070138,"irt_loglikelihood":-510.44932716197803,"irt_users":7491,"is_experimental":false},"abc221_g":{"slope":-0.0001752219084689143,"intercept":8.015897818783092,"variance":0.10761832630166868,"difficulty":2914,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.45599219404204,"irt_users":7491,"is_experimental":false},"abc221_h":{"slope":-0.00022112112581795072,"intercept":7.9559041979564915,"variance":0.2622878682950371,"difficulty":2793,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.33369207059309,"irt_users":7491,"is_experimental":false},"abc222_a":{"slope":-0.000951579645597129,"intercept":5.862171630940794,"variance":0.8169790243199017,"difficulty":-1316,"discrimination":0.004479398673070138,"irt_loglikelihood":-424.6510590894972,"irt_users":6415,"is_experimental":false},"abc222_b":{"slope":-0.000718234492651449,"intercept":5.435443416954492,"variance":0.36147582184999105,"difficulty":-1117,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.3146198434721,"irt_users":6415,"is_experimental":false},"abc222_c":{"slope":-0.0008624254245349247,"intercept":8.239105195781365,"variance":0.18386192638386928,"difficulty":366,"discrimination":0.004479398673070138,"irt_loglikelihood":-2700.2361718111833,"irt_users":6638,"is_experimental":false},"abc222_d":{"slope":-0.0011568687780044256,"intercept":8.490706781685535,"variance":0.37830400205155174,"difficulty":865,"discrimination":0.004479398673070138,"irt_loglikelihood":-1930.4346512842774,"irt_users":6638,"is_experimental":false},"abc222_e":{"slope":-0.000713393337433786,"intercept":8.799016792945212,"variance":0.21635253694035458,"difficulty":1491,"discrimination":0.004479398673070138,"irt_loglikelihood":-1144.0550688543512,"irt_users":6638,"is_experimental":false},"abc222_f":{"slope":-0.000494850587134189,"intercept":8.369786175509923,"variance":0.23679876168242145,"difficulty":1934,"discrimination":0.004479398673070138,"irt_loglikelihood":-740.1833514883099,"irt_users":6638,"is_experimental":false},"abc222_g":{"slope":-0.000060386570120236076,"intercept":7.421262374642661,"variance":0.4178678038098717,"difficulty":2242,"discrimination":0.004479398673070138,"irt_loglikelihood":-540.6696721680373,"irt_users":6638,"is_experimental":false},"abc222_h":{"difficulty":3477,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.969751313295205,"irt_users":6638,"is_experimental":false},"arc128_a":{"slope":-0.0005816536974489772,"intercept":8.200099439540713,"variance":0.4845521358602349,"difficulty":650,"discrimination":0.004479398673070138,"irt_loglikelihood":-1580.1892353882859,"irt_users":2334,"is_experimental":false},"arc128_b":{"slope":-0.0005142918622105702,"intercept":8.353351978141424,"variance":0.4120465781181596,"difficulty":941,"discrimination":0.004479398673070138,"irt_loglikelihood":-1362.9544257759749,"irt_users":2334,"is_experimental":false},"arc128_c":{"slope":-0.00040666406004860535,"intercept":8.507415746330675,"variance":0.29542765695610995,"difficulty":1810,"discrimination":0.004479398673070138,"irt_loglikelihood":-789.0423342190855,"irt_users":2334,"is_experimental":false},"arc128_d":{"slope":-0.00034238301818533207,"intercept":8.727968061631923,"variance":0.1767078008876437,"difficulty":2554,"discrimination":0.004479398673070138,"irt_loglikelihood":-264.03909863433967,"irt_users":2334,"is_experimental":false},"arc128_e":{"slope":-0.000186160305166585,"intercept":8.343441077541824,"variance":0.10082442696103787,"difficulty":3049,"discrimination":0.004479398673070138,"irt_loglikelihood":-63.71810071908245,"irt_users":2334,"is_experimental":false},"arc128_f":{"difficulty":3671,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.800508082449339,"irt_users":2334,"is_experimental":false},"abc223_a":{"slope":-0.0008942415225661356,"intercept":6.019891680415101,"variance":0.9792594918063049,"difficulty":-1257,"discrimination":0.004479398673070138,"irt_loglikelihood":-428.5181106460214,"irt_users":6009,"is_experimental":false},"abc223_b":{"slope":-0.001048807618475182,"intercept":7.020321819159174,"variance":0.4325674373735778,"difficulty":-213,"discrimination":0.004479398673070138,"irt_loglikelihood":-1885.9266214066342,"irt_users":6009,"is_experimental":false},"abc223_c":{"slope":-0.0006868922779840885,"intercept":7.728801276286072,"variance":0.36183986799321183,"difficulty":351,"discrimination":0.004479398673070138,"irt_loglikelihood":-3236.424011661713,"irt_users":6135,"is_experimental":false},"abc223_d":{"slope":-0.0008805316626610828,"intercept":8.188273964939317,"variance":0.5457902989104307,"difficulty":1069,"discrimination":0.004479398673070138,"irt_loglikelihood":-1829.8816180075619,"irt_users":6135,"is_experimental":false},"abc223_e":{"slope":-0.0007820063978248967,"intercept":8.551189656851522,"variance":0.33798598632693344,"difficulty":1510,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.1471512156772,"irt_users":6135,"is_experimental":false},"abc223_f":{"slope":-0.0006139441491286212,"intercept":8.537108204570954,"variance":0.28789335993062926,"difficulty":1641,"discrimination":0.004479398673070138,"irt_loglikelihood":-745.4760951651481,"irt_users":6135,"is_experimental":false},"abc223_g":{"slope":-0.00017286539253616996,"intercept":7.724342364770831,"variance":0.2397625841807933,"difficulty":2351,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.57147681630073,"irt_users":6135,"is_experimental":false},"abc223_h":{"slope":-0.00040296273505899006,"intercept":8.446269073001389,"variance":0.25929292201153753,"difficulty":2771,"discrimination":0.004479398673070138,"irt_loglikelihood":-115.15307656718096,"irt_users":6135,"is_experimental":false},"abc224_a":{"slope":-0.0009285556378010459,"intercept":5.92087816201928,"variance":0.8353226068804059,"difficulty":-1263,"discrimination":0.004479398673070138,"irt_loglikelihood":-394.51802397306426,"irt_users":5875,"is_experimental":false},"abc224_b":{"slope":-0.0009745870978293621,"intercept":7.0100546768838825,"variance":0.37719923334956507,"difficulty":-237,"discrimination":0.004479398673070138,"irt_loglikelihood":-1730.4429525888925,"irt_users":5875,"is_experimental":false},"abc224_c":{"slope":-0.0009217414834794136,"intercept":7.653879093395036,"variance":0.5130736047462168,"difficulty":286,"discrimination":0.004479398673070138,"irt_loglikelihood":-2542.309424311076,"irt_users":6082,"is_experimental":false},"abc224_d":{"slope":-0.0007363616085306018,"intercept":8.591630067417363,"variance":0.24757136487256268,"difficulty":1376,"discrimination":0.004479398673070138,"irt_loglikelihood":-1504.5437716220486,"irt_users":6082,"is_experimental":false},"abc224_e":{"slope":-0.0008367132519131074,"intercept":8.814386791582928,"variance":0.3068531955539186,"difficulty":1657,"discrimination":0.004479398673070138,"irt_loglikelihood":-950.9231403666133,"irt_users":6082,"is_experimental":false},"abc224_f":{"slope":-0.0006395571819228368,"intercept":8.481195378527891,"variance":0.3515258953623175,"difficulty":1733,"discrimination":0.004479398673070138,"irt_loglikelihood":-889.1234747976977,"irt_users":6082,"is_experimental":false},"abc224_g":{"slope":-0.0005189093512381977,"intercept":8.64826870319708,"variance":0.16440870387884407,"difficulty":2374,"discrimination":0.004479398673070138,"irt_loglikelihood":-231.9574739510993,"irt_users":6082,"is_experimental":false},"abc224_h":{"slope":-0.00020687154530787323,"intercept":8.164469258842256,"variance":0.15173672801927277,"difficulty":2887,"discrimination":0.004479398673070138,"irt_loglikelihood":-58.869625948260506,"irt_users":6082,"is_experimental":false},"abc225_a":{"slope":-0.0009095321821947184,"intercept":6.34195513845463,"variance":0.7090318727985454,"difficulty":-994,"discrimination":0.004479398673070138,"irt_loglikelihood":-693.0049184176168,"irt_users":5864,"is_experimental":false},"abc225_b":{"slope":-0.0011310127863807082,"intercept":6.865673488144261,"variance":0.49488212282167415,"difficulty":-345,"discrimination":0.004479398673070138,"irt_loglikelihood":-1436.753041550279,"irt_users":5864,"is_experimental":false},"abc225_c":{"slope":-0.0009516245056910038,"intercept":8.181831716910084,"variance":0.33614250306714516,"difficulty":318,"discrimination":0.004479398673070138,"irt_loglikelihood":-2566.6323464407164,"irt_users":6116,"is_experimental":false},"abc225_d":{"slope":-0.0008930107454953853,"intercept":8.168545017006558,"variance":0.2994360146718714,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-2146.1479470449235,"irt_users":6116,"is_experimental":false},"abc225_e":{"slope":-0.0006133940685086995,"intercept":8.693717988870096,"variance":0.34156619997011495,"difficulty":1678,"discrimination":0.004479398673070138,"irt_loglikelihood":-1047.5060201771614,"irt_users":6116,"is_experimental":false},"abc225_f":{"slope":-0.0005168748433897587,"intercept":8.890486141980324,"variance":0.3270113699172474,"difficulty":2612,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.76483514163596,"irt_users":6116,"is_experimental":false},"abc225_g":{"slope":-0.0006106720306277161,"intercept":8.946289779852698,"variance":0.2877388095282281,"difficulty":2566,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.51265111391223,"irt_users":6116,"is_experimental":false},"abc225_h":{"slope":-0.0008798513723490413,"intercept":10.267597171283144,"variance":0.088768670580344,"difficulty":3061,"discrimination":0.004479398673070138,"irt_loglikelihood":-52.707973319279205,"irt_users":6116,"is_experimental":false},"agc055_a":{"slope":-0.0006593170139479269,"intercept":9.34277716687906,"variance":0.38494324834991056,"difficulty":1348,"discrimination":0.004479398673070138,"irt_loglikelihood":-413.3046544915483,"irt_users":798,"is_experimental":false},"agc055_b":{"slope":-0.0005206002576759676,"intercept":9.315600378721733,"variance":0.3952619962181577,"difficulty":2059,"discrimination":0.004479398673070138,"irt_loglikelihood":-410.9789161212231,"irt_users":798,"is_experimental":false},"agc055_c":{"slope":-0.0005373875738618028,"intercept":9.887549026333687,"variance":0.18104986502701687,"difficulty":2803,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.89034406955457,"irt_users":798,"is_experimental":false},"agc055_d":{"slope":-0.00030155485969785955,"intercept":9.332903695078745,"variance":0.30832539248376994,"difficulty":3506,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.034375386299,"irt_users":798,"is_experimental":false},"agc055_e":{"is_experimental":false},"agc055_f":{"difficulty":4288,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.133567675115436,"irt_users":798,"is_experimental":false},"abc226_a":{"slope":-0.0007062215581313836,"intercept":6.252166490988687,"variance":1.0011099596527795,"difficulty":-930,"discrimination":0.004479398673070138,"irt_loglikelihood":-902.5000326765206,"irt_users":5730,"is_experimental":false},"abc226_b":{"slope":-0.0008714368266950494,"intercept":6.959514517902178,"variance":0.9158930070497341,"difficulty":107,"discrimination":0.004479398673070138,"irt_loglikelihood":-2832.8028685995982,"irt_users":5730,"is_experimental":false},"abc226_c":{"slope":-0.0009262666210562697,"intercept":8.01777943869779,"variance":0.42456502158233306,"difficulty":539,"discrimination":0.004479398673070138,"irt_loglikelihood":-2320.9038545385456,"irt_users":5955,"is_experimental":false},"abc226_d":{"slope":-0.0008097618562984459,"intercept":7.770347124772742,"variance":0.373310603945415,"difficulty":706,"discrimination":0.004479398673070138,"irt_loglikelihood":-2205.397761499476,"irt_users":5955,"is_experimental":false},"abc226_e":{"slope":-0.0007425359852744819,"intercept":8.525802667476878,"variance":0.3506425828547451,"difficulty":1327,"discrimination":0.004479398673070138,"irt_loglikelihood":-1310.5511797029712,"irt_users":5955,"is_experimental":false},"abc226_f":{"slope":-0.00045664380696122214,"intercept":8.482557560831768,"variance":0.2301760599282141,"difficulty":2086,"discrimination":0.004479398673070138,"irt_loglikelihood":-517.5100880667187,"irt_users":5955,"is_experimental":false},"abc226_g":{"slope":-0.0002716162856430815,"intercept":8.06582787630243,"variance":0.295868840698575,"difficulty":2373,"discrimination":0.004479398673070138,"irt_loglikelihood":-414.3406965909645,"irt_users":5955,"is_experimental":false},"abc226_h":{"slope":-0.0004618580640363171,"intercept":8.687652371606935,"variance":0.2553944311932775,"difficulty":2813,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.75727481580252,"irt_users":5955,"is_experimental":false},"abc227_a":{"slope":-0.0008572621736012809,"intercept":6.812831928388418,"variance":0.4598829166244012,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.73741629647276,"irt_users":3521,"is_experimental":false},"abc227_b":{"slope":-0.0009160359246210288,"intercept":7.038496310623839,"variance":0.2767670422972101,"difficulty":-634,"discrimination":0.004479398673070138,"irt_loglikelihood":-197.244307745733,"irt_users":3521,"is_experimental":false},"abc227_c":{"slope":-0.0009498272839613451,"intercept":8.140002883510315,"variance":0.5026428994920553,"difficulty":692,"discrimination":0.004479398673070138,"irt_loglikelihood":-2080.806520538934,"irt_users":3521,"is_experimental":false},"abc227_d":{"slope":-0.0006516746309937569,"intercept":8.622038420933837,"variance":0.40469682715696487,"difficulty":1643,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.0851332360348,"irt_users":3521,"is_experimental":false},"abc227_e":{"slope":-0.0004645432159430492,"intercept":8.700365163227875,"variance":0.20068507438675515,"difficulty":2377,"discrimination":0.004479398673070138,"irt_loglikelihood":-130.37061694605953,"irt_users":3521,"is_experimental":false},"abc227_f":{"slope":-0.0006961205528244629,"intercept":9.06070870615541,"variance":0.3713898964055432,"difficulty":2323,"discrimination":0.004479398673070138,"irt_loglikelihood":-171.8828129671881,"irt_users":3521,"is_experimental":false},"abc227_g":{"difficulty":2207,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.1503037134221,"irt_users":3521,"is_experimental":false},"abc227_h":{"difficulty":3229,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.067533655849183,"irt_users":3521,"is_experimental":false},"abc228_a":{"slope":-0.0007940027692513928,"intercept":7.187673413444362,"variance":0.5752304042622619,"difficulty":-395,"discrimination":0.004479398673070138,"irt_loglikelihood":-1901.4964102907948,"irt_users":5537,"is_experimental":false},"abc228_b":{"slope":-0.0009567902935304959,"intercept":6.99044672872313,"variance":0.4328668947099757,"difficulty":-229,"discrimination":0.004479398673070138,"irt_loglikelihood":-1562.1807452962007,"irt_users":5537,"is_experimental":false},"abc228_c":{"slope":-0.0007636955321152945,"intercept":7.53514411572231,"variance":0.38368652809312487,"difficulty":149,"discrimination":0.004479398673070138,"irt_loglikelihood":-2404.103245510791,"irt_users":5834,"is_experimental":false},"abc228_d":{"slope":-0.0007433284070627389,"intercept":8.357634139190207,"variance":0.40130661394473827,"difficulty":1035,"discrimination":0.004479398673070138,"irt_loglikelihood":-1996.4068576121863,"irt_users":5834,"is_experimental":false},"abc228_e":{"slope":-0.000630454941597951,"intercept":8.644013442999613,"variance":0.39220763653041973,"difficulty":1579,"discrimination":0.004479398673070138,"irt_loglikelihood":-1230.9268738252338,"irt_users":5834,"is_experimental":false},"abc228_f":{"slope":-0.0006693792764962312,"intercept":9.0400027901057,"variance":0.16214405623794007,"difficulty":2179,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.1354566244827,"irt_users":5834,"is_experimental":false},"abc228_g":{"slope":-0.0006238758717568032,"intercept":8.77058685093487,"variance":0.1566293813615797,"difficulty":2711,"discrimination":0.004479398673070138,"irt_loglikelihood":-104.75967934512704,"irt_users":5834,"is_experimental":false},"abc228_h":{"slope":-0.0006236295549433199,"intercept":8.873141309714816,"variance":0.24481763417988758,"difficulty":2729,"discrimination":0.004479398673070138,"irt_loglikelihood":-125.81872398850024,"irt_users":5834,"is_experimental":false},"arc129_a":{"slope":-0.000952475555947349,"intercept":8.623330188642651,"variance":0.48636307315642313,"difficulty":727,"discrimination":0.004479398673070138,"irt_loglikelihood":-689.6862575385555,"irt_users":1664,"is_experimental":false},"arc129_b":{"slope":-0.0007146833595610927,"intercept":8.080254479706662,"variance":0.5619324312382148,"difficulty":735,"discrimination":0.004479398673070138,"irt_loglikelihood":-663.3452964121401,"irt_users":1664,"is_experimental":false},"arc129_c":{"slope":-0.0007600698937410595,"intercept":9.289873139477747,"variance":0.29516070244922765,"difficulty":1687,"discrimination":0.004479398673070138,"irt_loglikelihood":-508.1780789477544,"irt_users":1664,"is_experimental":false},"arc129_d":{"slope":-0.0005340303106707402,"intercept":8.980847657399874,"variance":0.3029340204399097,"difficulty":2300,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.65831018629245,"irt_users":1664,"is_experimental":false},"arc129_e":{"slope":-0.0010360780638881972,"intercept":10.609212026682066,"variance":0.12617978147028475,"difficulty":3337,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.347520740932723,"irt_users":1664,"is_experimental":false},"arc129_f":{"difficulty":3596,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.137010556148642,"irt_users":1664,"is_experimental":false},"abc229_a":{"slope":-0.0008045225961597122,"intercept":6.687325013891717,"variance":0.5573963371298991,"difficulty":-721,"discrimination":0.004479398673070138,"irt_loglikelihood":-972.107569863786,"irt_users":5370,"is_experimental":false},"abc229_b":{"slope":-0.0009344323114437889,"intercept":6.721802852172823,"variance":0.4264333583458291,"difficulty":-501,"discrimination":0.004479398673070138,"irt_loglikelihood":-1049.9333115870186,"irt_users":5370,"is_experimental":false},"abc229_c":{"slope":-0.0010064663129690492,"intercept":7.352963990717752,"variance":0.3907882976746661,"difficulty":45,"discrimination":0.004479398673070138,"irt_loglikelihood":-1940.402347068713,"irt_users":5632,"is_experimental":false},"abc229_d":{"slope":-0.0008655555775843711,"intercept":7.9164383133204845,"variance":0.6241299298992934,"difficulty":745,"discrimination":0.004479398673070138,"irt_loglikelihood":-2176.455925914091,"irt_users":5632,"is_experimental":false},"abc229_e":{"slope":-0.0010521501696966746,"intercept":8.353566875861178,"variance":0.35407505372855647,"difficulty":1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-1468.0764858533503,"irt_users":5632,"is_experimental":false},"abc229_f":{"slope":-0.00064577886771776,"intercept":8.671005558050453,"variance":0.31520312416941043,"difficulty":1917,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.9697530059375,"irt_users":5632,"is_experimental":false},"abc229_g":{"slope":-0.00044534162323778086,"intercept":8.567499042509311,"variance":0.31686890458596356,"difficulty":2121,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.8977738819839,"irt_users":5632,"is_experimental":false},"abc229_h":{"slope":-0.00006774834359582063,"intercept":8.072599998915758,"variance":0.17373404671589798,"difficulty":3308,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.308621194132506,"irt_users":5632,"is_experimental":false},"arc130_a":{"slope":-0.0009848183230660946,"intercept":7.564793788146773,"variance":0.689590024163123,"difficulty":-68,"discrimination":0.004479398673070138,"irt_loglikelihood":-476.4206333662501,"irt_users":1994,"is_experimental":false},"arc130_b":{"slope":-0.0008758900397320484,"intercept":8.123685538364878,"variance":0.35153434445747506,"difficulty":576,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.6865018815766,"irt_users":1994,"is_experimental":false},"arc130_c":{"slope":-0.0006348776583286023,"intercept":9.372324695801886,"variance":0.2037653324757168,"difficulty":1814,"discrimination":0.004479398673070138,"irt_loglikelihood":-565.3931292240549,"irt_users":1994,"is_experimental":false},"arc130_d":{"slope":-0.0005531455788455799,"intercept":9.174448719073037,"variance":0.25969793547086434,"difficulty":2437,"discrimination":0.004479398673070138,"irt_loglikelihood":-240.61116444707696,"irt_users":1994,"is_experimental":false},"arc130_e":{"slope":-0.0003390620030738589,"intercept":8.994342874868877,"variance":0.07678553593586264,"difficulty":3188,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.36837768321475,"irt_users":1994,"is_experimental":false},"arc130_f":{"slope":-0.00011969494944677094,"intercept":8.494437993526201,"variance":0.22798650806401313,"difficulty":3211,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.76902754030692,"irt_users":1994,"is_experimental":false},"abc230_a":{"slope":-0.0006987643715854465,"intercept":6.32216556726991,"variance":0.6302844054381241,"difficulty":-1358,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.91153633207642,"irt_users":4266,"is_experimental":false},"abc230_b":{"slope":-0.0008487755110750003,"intercept":6.880668808150653,"variance":0.6240631313258626,"difficulty":-550,"discrimination":0.004479398673070138,"irt_loglikelihood":-823.1451064560963,"irt_users":4266,"is_experimental":false},"abc230_c":{"slope":-0.0008984479784998968,"intercept":8.028826233939403,"variance":0.37611738582169074,"difficulty":566,"discrimination":0.004479398673070138,"irt_loglikelihood":-2487.8819093687134,"irt_users":5113,"is_experimental":false},"abc230_d":{"slope":-0.000816683787969316,"intercept":7.980540783224473,"variance":0.37959518099689354,"difficulty":963,"discrimination":0.004479398673070138,"irt_loglikelihood":-1832.8233442178678,"irt_users":5113,"is_experimental":false},"abc230_e":{"slope":-0.0007173516906038725,"intercept":7.816578548311331,"variance":0.7688440876720777,"difficulty":969,"discrimination":0.004479398673070138,"irt_loglikelihood":-1967.289882536751,"irt_users":5113,"is_experimental":false},"abc230_f":{"slope":-0.0007728103376971395,"intercept":9.013172584261367,"variance":0.34839127124541885,"difficulty":2113,"discrimination":0.004479398673070138,"irt_loglikelihood":-457.5780485420657,"irt_users":5113,"is_experimental":false},"abc230_g":{"slope":-0.00022558935415901266,"intercept":8.165419124491994,"variance":0.2543651697725029,"difficulty":2516,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.491280153236,"irt_users":5113,"is_experimental":false},"abc230_h":{"difficulty":3528,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.141999728250774,"irt_users":5113,"is_experimental":false},"agc056_a":{"slope":-0.0006578639623862338,"intercept":9.205037170054071,"variance":0.2955414885921203,"difficulty":1290,"discrimination":0.004479398673070138,"irt_loglikelihood":-381.7388992047533,"irt_users":900,"is_experimental":false},"agc056_b":{"slope":-0.00020272384113849095,"intercept":8.749975576878171,"variance":0.2049780429444606,"difficulty":3339,"discrimination":0.004479398673070138,"irt_loglikelihood":-72.28868442254127,"irt_users":900,"is_experimental":false},"agc056_c":{"slope":-0.0006284828777544081,"intercept":9.835514002201535,"variance":0.371583991541607,"difficulty":2481,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.5934204629644,"irt_users":900,"is_experimental":false},"agc056_d":{"slope":-0.0004999752645522639,"intercept":9.685171401511138,"variance":0.28795913071046864,"difficulty":3339,"discrimination":0.004479398673070138,"irt_loglikelihood":-75.26203765308733,"irt_users":900,"is_experimental":false},"agc056_e":{"difficulty":3877,"discrimination":0.004479398673070138,"irt_loglikelihood":-14.211366840548514,"irt_users":900,"is_experimental":false},"agc056_f":{"difficulty":4310,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.2863117296004543,"irt_users":900,"is_experimental":false},"arc131_a":{"slope":-0.0006356862034911423,"intercept":7.067580795236897,"variance":0.4853951170375573,"difficulty":-529,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.144869545792293,"irt_users":1062,"is_experimental":false},"arc131_b":{"slope":-0.0006731166353376084,"intercept":7.425861013796178,"variance":0.2524501965265388,"difficulty":-158,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.95477269624939,"irt_users":1062,"is_experimental":false},"arc131_c":{"slope":-0.0003657201727368038,"intercept":8.213889716358246,"variance":0.3918196540522737,"difficulty":1162,"discrimination":0.004479398673070138,"irt_loglikelihood":-881.5147580654813,"irt_users":1062,"is_experimental":false},"arc131_d":{"slope":-0.0004150503967741201,"intercept":8.953525743234534,"variance":0.22342590243018282,"difficulty":2271,"discrimination":0.004479398673070138,"irt_loglikelihood":-303.8061194876736,"irt_users":1062,"is_experimental":false},"arc131_e":{"slope":-0.00036598293877883613,"intercept":8.776750395005173,"variance":0.1813093823728139,"difficulty":2314,"discrimination":0.004479398673070138,"irt_loglikelihood":-406.68781541386994,"irt_users":1062,"is_experimental":false},"arc131_f":{"difficulty":3501,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.497517224154006,"irt_users":1062,"is_experimental":false},"abc231_a":{"slope":-0.0006930563568310857,"intercept":5.5539767256532,"variance":1.0325300661103542,"difficulty":-1422,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.78259667784687,"irt_users":4728,"is_experimental":false},"abc231_b":{"slope":-0.0009262334924218626,"intercept":6.530696623196483,"variance":0.5567125705194742,"difficulty":-535,"discrimination":0.004479398673070138,"irt_loglikelihood":-810.5725578705726,"irt_users":4728,"is_experimental":false},"abc231_c":{"slope":-0.0010854686968098,"intercept":7.092355584930962,"variance":0.6691014672228068,"difficulty":111,"discrimination":0.004479398673070138,"irt_loglikelihood":-2095.904956286195,"irt_users":5688,"is_experimental":false},"abc231_d":{"slope":-0.0009576711092833596,"intercept":8.341526470578478,"variance":0.44704901787862206,"difficulty":726,"discrimination":0.004479398673070138,"irt_loglikelihood":-2106.795772814384,"irt_users":5688,"is_experimental":false},"abc231_e":{"slope":-0.000676862959276207,"intercept":8.64195450891015,"variance":0.32478834642376647,"difficulty":1740,"discrimination":0.004479398673070138,"irt_loglikelihood":-917.6907709072373,"irt_users":5688,"is_experimental":false},"abc231_f":{"slope":-0.0008727366796460944,"intercept":9.103616221832217,"variance":0.24279426670129176,"difficulty":1580,"discrimination":0.004479398673070138,"irt_loglikelihood":-948.6872895602191,"irt_users":5688,"is_experimental":false},"abc231_g":{"slope":-0.0005542288174434242,"intercept":8.703968859613182,"variance":0.2556145798771203,"difficulty":2606,"discrimination":0.004479398673070138,"irt_loglikelihood":-147.80650733818266,"irt_users":5688,"is_experimental":false},"abc231_h":{"slope":-0.00047238752978214887,"intercept":8.547200016025458,"variance":0.2865576879396198,"difficulty":2681,"discrimination":0.004479398673070138,"irt_loglikelihood":-123.68101254975748,"irt_users":5688,"is_experimental":false},"abc232_a":{"slope":-0.0007794750253905554,"intercept":5.630945185748059,"variance":0.9095615550236122,"difficulty":-1137,"discrimination":0.004479398673070138,"irt_loglikelihood":-241.66252846535335,"irt_users":4471,"is_experimental":false},"abc232_b":{"slope":-0.0010979271651673323,"intercept":7.484530828518539,"variance":0.5137363020407206,"difficulty":-234,"discrimination":0.004479398673070138,"irt_loglikelihood":-1217.3515035186508,"irt_users":4471,"is_experimental":false},"abc232_c":{"slope":-0.0010413347528496896,"intercept":8.113847431758245,"variance":0.3196887752260026,"difficulty":685,"discrimination":0.004479398673070138,"irt_loglikelihood":-2154.953975256374,"irt_users":5231,"is_experimental":false},"abc232_d":{"slope":-0.0010033480808457431,"intercept":8.06336974553562,"variance":0.4545178205368592,"difficulty":539,"discrimination":0.004479398673070138,"irt_loglikelihood":-2234.5814664906084,"irt_users":5231,"is_experimental":false},"abc232_e":{"slope":-0.0006585498053205033,"intercept":8.555304256328522,"variance":0.2753709111803619,"difficulty":1380,"discrimination":0.004479398673070138,"irt_loglikelihood":-1288.0427567180093,"irt_users":5231,"is_experimental":false},"abc232_f":{"slope":-0.0008280653169145795,"intercept":8.699879733340813,"variance":0.3260303184969722,"difficulty":1857,"discrimination":0.004479398673070138,"irt_loglikelihood":-675.8417710415303,"irt_users":5231,"is_experimental":false},"abc232_g":{"slope":-0.000156891355911665,"intercept":8.022379288151926,"variance":0.28965773569802505,"difficulty":2550,"discrimination":0.004479398673070138,"irt_loglikelihood":-192.10112549726512,"irt_users":5231,"is_experimental":false},"abc232_h":{"slope":-0.00023146543812416844,"intercept":8.410492844669347,"variance":0.19881662204953407,"difficulty":2780,"discrimination":0.004479398673070138,"irt_loglikelihood":-126.14263568962652,"irt_users":5231,"is_experimental":false},"abc233_a":{"slope":-0.0008386384841443214,"intercept":6.18960508733869,"variance":0.761373295041791,"difficulty":-1110,"discrimination":0.004479398673070138,"irt_loglikelihood":-302.4116085266673,"irt_users":4867,"is_experimental":false},"abc233_b":{"slope":-0.0008954703136833039,"intercept":6.387497638622245,"variance":0.5499714343099007,"difficulty":-748,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.1543885814611,"irt_users":4867,"is_experimental":false},"abc233_c":{"slope":-0.0009889126425197147,"intercept":8.068706566562764,"variance":0.36009720583088556,"difficulty":604,"discrimination":0.004479398673070138,"irt_loglikelihood":-2604.5525494290578,"irt_users":5819,"is_experimental":false},"abc233_d":{"slope":-0.0009203684439796838,"intercept":7.738299269998281,"variance":0.7325823330227421,"difficulty":726,"discrimination":0.004479398673070138,"irt_loglikelihood":-2795.0952100641834,"irt_users":5819,"is_experimental":false},"abc233_e":{"slope":-0.000878921095014265,"intercept":8.198500204157288,"variance":0.4291801598198092,"difficulty":969,"discrimination":0.004479398673070138,"irt_loglikelihood":-2016.4303923167074,"irt_users":5819,"is_experimental":false},"abc233_f":{"slope":-0.0006987482926266547,"intercept":9.222369413755946,"variance":0.20799558545134342,"difficulty":2038,"discrimination":0.004479398673070138,"irt_loglikelihood":-601.5255460301486,"irt_users":5819,"is_experimental":false},"abc233_g":{"slope":-0.00034385585526714455,"intercept":8.071334876748391,"variance":0.3551907597777479,"difficulty":2438,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.06230089413333,"irt_users":5819,"is_experimental":false},"abc233_h":{"slope":-0.0008430365854587333,"intercept":9.33392585378375,"variance":0.38622570847854165,"difficulty":2530,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.69105519000053,"irt_users":5819,"is_experimental":false},"arc132_a":{"slope":-0.0008301329749193145,"intercept":8.015248996752806,"variance":0.49891103989703767,"difficulty":347,"discrimination":0.004479398673070138,"irt_loglikelihood":-670.748324020079,"irt_users":2031,"is_experimental":false},"arc132_b":{"slope":-0.0007112626657246082,"intercept":8.322266533592455,"variance":0.30395856075387223,"difficulty":753,"discrimination":0.004479398673070138,"irt_loglikelihood":-1119.5623932090734,"irt_users":2031,"is_experimental":false},"arc132_c":{"slope":-0.000806179569324537,"intercept":9.081358343015427,"variance":0.29134435064568553,"difficulty":1616,"discrimination":0.004479398673070138,"irt_loglikelihood":-676.4567696204106,"irt_users":2031,"is_experimental":false},"arc132_d":{"slope":-0.00044550699559327663,"intercept":8.797570589075956,"variance":0.22970424285263344,"difficulty":2221,"discrimination":0.004479398673070138,"irt_loglikelihood":-437.5860319761024,"irt_users":2031,"is_experimental":false},"arc132_e":{"slope":-0.0002256366792552905,"intercept":8.504434693108863,"variance":0.3052129311563867,"difficulty":3144,"discrimination":0.004479398673070138,"irt_loglikelihood":-75.99132851134402,"irt_users":2031,"is_experimental":false},"arc132_f":{"slope":-0.00027929724880437594,"intercept":8.667702526308144,"variance":0.16249215999319372,"difficulty":3076,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.16602769197407,"irt_users":2031,"is_experimental":false},"abc234_a":{"slope":-0.0008402356008935057,"intercept":6.193010235826233,"variance":0.6211290608232898,"difficulty":-1197,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.3380783212593,"irt_users":5158,"is_experimental":false},"abc234_b":{"slope":-0.000977667251216007,"intercept":6.728124492443892,"variance":0.3357138885157552,"difficulty":-464,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.1071132517237,"irt_users":5158,"is_experimental":false},"abc234_c":{"slope":-0.0009243719816985632,"intercept":6.968008138575823,"variance":0.5742594964091835,"difficulty":22,"discrimination":0.004479398673070138,"irt_loglikelihood":-2576.297574460398,"irt_users":6006,"is_experimental":false},"abc234_d":{"slope":-0.0009861719930823656,"intercept":7.844974970872495,"variance":0.4527232856725059,"difficulty":503,"discrimination":0.004479398673070138,"irt_loglikelihood":-2452.6937278994783,"irt_users":6006,"is_experimental":false},"abc234_e":{"slope":-0.0008828820030046774,"intercept":8.336536075204405,"variance":0.32984629329528176,"difficulty":899,"discrimination":0.004479398673070138,"irt_loglikelihood":-1972.935567702139,"irt_users":6006,"is_experimental":false},"abc234_f":{"slope":-0.0010901125631939174,"intercept":9.105561161624543,"variance":0.3685609740080081,"difficulty":1596,"discrimination":0.004479398673070138,"irt_loglikelihood":-924.8892618780454,"irt_users":6006,"is_experimental":false},"abc234_g":{"slope":-0.00020686144256245058,"intercept":8.05025164990155,"variance":0.2429466362943022,"difficulty":2306,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.20329795385936,"irt_users":6006,"is_experimental":false},"abc234_h":{"slope":-0.0004056393335019426,"intercept":8.481027911822634,"variance":0.2561978787246048,"difficulty":2505,"discrimination":0.004479398673070138,"irt_loglikelihood":-236.16070134177778,"irt_users":6006,"is_experimental":false},"abc235_a":{"slope":-0.0008100498976015122,"intercept":6.192353741870375,"variance":0.6129802034070946,"difficulty":-1104,"discrimination":0.004479398673070138,"irt_loglikelihood":-322.8187567022285,"irt_users":5701,"is_experimental":false},"abc235_b":{"slope":-0.0007986814956793264,"intercept":6.153807402495697,"variance":0.40864040441802496,"difficulty":-806,"discrimination":0.004479398673070138,"irt_loglikelihood":-592.212468047261,"irt_users":5701,"is_experimental":false},"abc235_c":{"slope":-0.000980092465835414,"intercept":7.272996438291515,"variance":0.5499303847547848,"difficulty":210,"discrimination":0.004479398673070138,"irt_loglikelihood":-2886.572518831655,"irt_users":6705,"is_experimental":false},"abc235_d":{"slope":-0.0008952878812100713,"intercept":8.518153898115763,"variance":0.3187904094422154,"difficulty":862,"discrimination":0.004479398673070138,"irt_loglikelihood":-2609.676083447311,"irt_users":6705,"is_experimental":false},"abc235_e":{"slope":-0.0007716510892123983,"intercept":8.349378190989658,"variance":0.3988346268287827,"difficulty":1304,"discrimination":0.004479398673070138,"irt_loglikelihood":-1685.2771833457275,"irt_users":6705,"is_experimental":false},"abc235_f":{"slope":-0.00043012239503424345,"intercept":8.498392335586866,"variance":0.23270190309233596,"difficulty":2129,"discrimination":0.004479398673070138,"irt_loglikelihood":-589.4122900993523,"irt_users":6705,"is_experimental":false},"abc235_g":{"slope":-0.0006279739365423377,"intercept":8.81381549034097,"variance":0.24176467209773142,"difficulty":2462,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.2070344159604,"irt_users":6705,"is_experimental":false},"abc235_h":{"slope":-0.0005147770215914631,"intercept":9.358571351877787,"variance":0.1517196756747558,"difficulty":2967,"discrimination":0.004479398673070138,"irt_loglikelihood":-77.99460940254441,"irt_users":6705,"is_experimental":false},"arc133_a":{"slope":-0.0009358800918132261,"intercept":7.798054331911234,"variance":0.6015254013801535,"difficulty":235,"discrimination":0.004479398673070138,"irt_loglikelihood":-1165.850530340868,"irt_users":2915,"is_experimental":false},"arc133_b":{"slope":-0.0009131913336171446,"intercept":8.903184622930572,"variance":0.35174432239952147,"difficulty":1317,"discrimination":0.004479398673070138,"irt_loglikelihood":-770.3713756108388,"irt_users":2915,"is_experimental":false},"arc133_c":{"slope":-0.00042992488878907547,"intercept":8.386054463013009,"variance":0.4101110555711428,"difficulty":1583,"discrimination":0.004479398673070138,"irt_loglikelihood":-1013.1383126820449,"irt_users":2915,"is_experimental":false},"arc133_d":{"slope":-0.00042765925416274325,"intercept":9.179014033618412,"variance":0.1759424643653161,"difficulty":2658,"discrimination":0.004479398673070138,"irt_loglikelihood":-158.53420644955997,"irt_users":2915,"is_experimental":false},"arc133_e":{"difficulty":3238,"discrimination":0.004479398673070138,"irt_loglikelihood":-27.646930604051285,"irt_users":2915,"is_experimental":false},"arc133_f":{"is_experimental":false},"abc236_a":{"slope":-0.0009231881270480338,"intercept":5.935153335407409,"variance":0.8955007785396534,"difficulty":-1207,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.87585623440947,"irt_users":6362,"is_experimental":false},"abc236_b":{"slope":-0.0009202332918796747,"intercept":6.25928573505962,"variance":0.4625084093970111,"difficulty":-655,"discrimination":0.004479398673070138,"irt_loglikelihood":-819.9983383186326,"irt_users":6362,"is_experimental":false},"abc236_c":{"slope":-0.0008973992921260067,"intercept":6.654317261657519,"variance":0.4065935169478686,"difficulty":-245,"discrimination":0.004479398673070138,"irt_loglikelihood":-2433.1361107989337,"irt_users":7381,"is_experimental":false},"abc236_d":{"slope":-0.0007678261285684338,"intercept":8.469119833844037,"variance":0.451949241987446,"difficulty":1190,"discrimination":0.004479398673070138,"irt_loglikelihood":-3025.8826228857747,"irt_users":7381,"is_experimental":false},"abc236_e":{"slope":-0.0008690478605469745,"intercept":9.179428165157226,"variance":0.31733090685256765,"difficulty":1893,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.1700420840201,"irt_users":7381,"is_experimental":false},"abc236_f":{"slope":-0.0007588053712686651,"intercept":8.494798708874676,"variance":0.5834240772835959,"difficulty":1943,"discrimination":0.004479398673070138,"irt_loglikelihood":-869.3283997266035,"irt_users":7381,"is_experimental":false},"abc236_g":{"slope":-0.00029965932973944834,"intercept":8.045840157507016,"variance":0.43751580622773983,"difficulty":2438,"discrimination":0.004479398673070138,"irt_loglikelihood":-321.10654289139757,"irt_users":7381,"is_experimental":false},"abc236_h":{"slope":-0.0005545230341713819,"intercept":9.22484895736376,"variance":0.22795187678643422,"difficulty":2898,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.56741697056434,"irt_users":7381,"is_experimental":false},"arc134_a":{"slope":-0.000933325411584044,"intercept":8.006663070565951,"variance":0.4837359882516313,"difficulty":207,"discrimination":0.004479398673070138,"irt_loglikelihood":-1436.4056503853976,"irt_users":3484,"is_experimental":false},"arc134_b":{"slope":-0.0008505964384872088,"intercept":8.659985190126442,"variance":0.36310537813498095,"difficulty":934,"discrimination":0.004479398673070138,"irt_loglikelihood":-1490.6512872573917,"irt_users":3484,"is_experimental":false},"arc134_c":{"slope":-0.0008038921339978837,"intercept":8.891163522402765,"variance":0.28674201439380437,"difficulty":1560,"discrimination":0.004479398673070138,"irt_loglikelihood":-962.3025092229071,"irt_users":3484,"is_experimental":false},"arc134_d":{"slope":-0.0004988898252407227,"intercept":9.013441005805829,"variance":0.18269709060305048,"difficulty":1998,"discrimination":0.004479398673070138,"irt_loglikelihood":-709.0228745771747,"irt_users":3484,"is_experimental":false},"arc134_e":{"slope":-0.0003003461577211186,"intercept":9.022414138758108,"variance":0.046027539982722465,"difficulty":3026,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.07669803766304,"irt_users":3484,"is_experimental":false},"arc134_f":{"difficulty":3530,"discrimination":0.004479398673070138,"irt_loglikelihood":-25.411977250200756,"irt_users":3484,"is_experimental":false},"abc237_a":{"slope":-0.0008651301881366678,"intercept":6.417607924367475,"variance":0.9325279281504427,"difficulty":-702,"discrimination":0.004479398673070138,"irt_loglikelihood":-791.3417003115783,"irt_users":6034,"is_experimental":false},"abc237_b":{"slope":-0.0007352904153987126,"intercept":6.860487516466161,"variance":0.53836825609649,"difficulty":-449,"discrimination":0.004479398673070138,"irt_loglikelihood":-1298.5979255160305,"irt_users":6034,"is_experimental":false},"abc237_c":{"slope":-0.0007700452725592347,"intercept":7.790178932887462,"variance":0.45360844291075253,"difficulty":239,"discrimination":0.004479398673070138,"irt_loglikelihood":-3149.0816810304254,"irt_users":6968,"is_experimental":false},"abc237_d":{"slope":-0.0008630181252814148,"intercept":7.666784998326998,"variance":0.5137811087157221,"difficulty":544,"discrimination":0.004479398673070138,"irt_loglikelihood":-2822.7366040661072,"irt_users":6968,"is_experimental":false},"abc237_e":{"slope":-0.0006002088798033302,"intercept":8.113671007706087,"variance":0.3837280646905984,"difficulty":1208,"discrimination":0.004479398673070138,"irt_loglikelihood":-2047.8444457526932,"irt_users":6968,"is_experimental":false},"abc237_f":{"slope":-0.0006882361408556687,"intercept":8.456090092002338,"variance":0.3037956508263455,"difficulty":1857,"discrimination":0.004479398673070138,"irt_loglikelihood":-779.1143167353076,"irt_users":6968,"is_experimental":false},"abc237_g":{"slope":-0.0005252122182043387,"intercept":8.415308678346982,"variance":0.33683033648160865,"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-547.0543989707396,"irt_users":6968,"is_experimental":false},"abc237_h":{"difficulty":2807,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.66915501548579,"irt_users":6968,"is_experimental":false},"abc238_a":{"slope":-0.0006318442857013254,"intercept":6.530447658872681,"variance":1.0054960655751448,"difficulty":-689,"discrimination":0.004479398673070138,"irt_loglikelihood":-795.1917455503658,"irt_users":6085,"is_experimental":false},"abc238_b":{"slope":-0.0009972403597099824,"intercept":7.466774756262057,"variance":0.36076923142689604,"difficulty":88,"discrimination":0.004479398673070138,"irt_loglikelihood":-2682.207241307234,"irt_users":6085,"is_experimental":false},"abc238_c":{"slope":-0.0008836941450177453,"intercept":8.134282422341235,"variance":0.3182772939100332,"difficulty":637,"discrimination":0.004479398673070138,"irt_loglikelihood":-3308.4714078516236,"irt_users":7150,"is_experimental":false},"abc238_d":{"slope":-0.0010127799121398967,"intercept":8.252582863912306,"variance":0.5222224149706927,"difficulty":921,"discrimination":0.004479398673070138,"irt_loglikelihood":-2531.381205947239,"irt_users":7150,"is_experimental":false},"abc238_e":{"slope":-0.0010539315924705224,"intercept":8.630136202779614,"variance":0.6709807204300745,"difficulty":1577,"discrimination":0.004479398673070138,"irt_loglikelihood":-1288.6069343127347,"irt_users":7150,"is_experimental":false},"abc238_f":{"slope":-0.0006889913794479878,"intercept":8.62377557830322,"variance":0.2933458852508477,"difficulty":2058,"discrimination":0.004479398673070138,"irt_loglikelihood":-631.0894501134374,"irt_users":7150,"is_experimental":false},"abc238_g":{"slope":-0.0004941832728601481,"intercept":8.49351501602725,"variance":0.45084674521627777,"difficulty":2254,"discrimination":0.004479398673070138,"irt_loglikelihood":-460.99129913706605,"irt_users":7150,"is_experimental":false},"abc238_h":{"slope":-0.00012963451521704587,"intercept":8.204759727925445,"variance":0.25823365216271366,"difficulty":3247,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.81171729394681,"irt_users":7150,"is_experimental":false},"arc135_a":{"slope":-0.0010593871879666604,"intercept":8.596326273627303,"variance":0.5300785964104004,"difficulty":634,"discrimination":0.004479398673070138,"irt_loglikelihood":-1217.1645449437806,"irt_users":2809,"is_experimental":false},"arc135_b":{"slope":-0.000853793267443141,"intercept":8.771204598233147,"variance":0.34143934046462787,"difficulty":1239,"discrimination":0.004479398673070138,"irt_loglikelihood":-1263.229669547939,"irt_users":2809,"is_experimental":false},"arc135_c":{"slope":-0.0007709316860944896,"intercept":8.512268294950369,"variance":0.5162728227415302,"difficulty":1512,"discrimination":0.004479398673070138,"irt_loglikelihood":-920.1616719644668,"irt_users":2809,"is_experimental":false},"arc135_d":{"slope":-0.0006605863953699395,"intercept":9.84396451464127,"variance":0.1680812840644127,"difficulty":2750,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.90175061093535,"irt_users":2809,"is_experimental":false},"arc135_e":{"slope":-0.0004909562887778855,"intercept":9.67970856618029,"variance":0.11646749039880773,"difficulty":3157,"discrimination":0.004479398673070138,"irt_loglikelihood":-54.0850975164328,"irt_users":2809,"is_experimental":false},"arc135_f":{"difficulty":3821,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.176039000767793,"irt_users":2809,"is_experimental":false},"abc239_a":{"slope":-0.0007843522058798857,"intercept":6.058956886742467,"variance":0.7508033440038477,"difficulty":-788,"discrimination":0.004479398673070138,"irt_loglikelihood":-540.146943581547,"irt_users":5854,"is_experimental":false},"abc239_b":{"slope":-0.0010013127587138544,"intercept":6.635215934657269,"variance":0.8790918866199916,"difficulty":-378,"discrimination":0.004479398673070138,"irt_loglikelihood":-1245.4914942041382,"irt_users":5854,"is_experimental":false},"abc239_c":{"slope":-0.0009125690003734282,"intercept":7.437143852503649,"variance":0.3885347358096989,"difficulty":119,"discrimination":0.004479398673070138,"irt_loglikelihood":-3285.3796913272586,"irt_users":6806,"is_experimental":false},"abc239_d":{"slope":-0.0009661199417322989,"intercept":7.461112389740911,"variance":0.3782174069436529,"difficulty":215,"discrimination":0.004479398673070138,"irt_loglikelihood":-2902.910528275045,"irt_users":6806,"is_experimental":false},"abc239_e":{"slope":-0.0008206632025071526,"intercept":8.355315258693798,"variance":0.3647833031147811,"difficulty":1084,"discrimination":0.004479398673070138,"irt_loglikelihood":-2030.680207947542,"irt_users":6806,"is_experimental":false},"abc239_f":{"slope":-0.0005440313530355622,"intercept":8.870159694421712,"variance":0.2112504474966776,"difficulty":1959,"discrimination":0.004479398673070138,"irt_loglikelihood":-794.8877483495492,"irt_users":6806,"is_experimental":false},"abc239_g":{"slope":-0.0007078204705021651,"intercept":9.151014707959023,"variance":0.3359882762561968,"difficulty":2215,"discrimination":0.004479398673070138,"irt_loglikelihood":-419.5970739030594,"irt_users":6806,"is_experimental":false},"abc239_h":{"slope":-0.0005753735467167842,"intercept":8.961758673958915,"variance":0.2796633076245062,"difficulty":2686,"discrimination":0.004479398673070138,"irt_loglikelihood":-175.95880703771095,"irt_users":6806,"is_experimental":false},"abc240_a":{"slope":-0.0007257346852753132,"intercept":6.030885076933535,"variance":0.7591990487420663,"difficulty":-1214,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.9983506552581,"irt_users":5844,"is_experimental":false},"abc240_b":{"slope":-0.0008959376708256902,"intercept":5.535394521561359,"variance":0.5895405399032038,"difficulty":-819,"discrimination":0.004479398673070138,"irt_loglikelihood":-586.804525113825,"irt_users":5844,"is_experimental":false},"abc240_c":{"slope":-0.0012995359172914575,"intercept":7.901988768706111,"variance":0.5058552565057465,"difficulty":464,"discrimination":0.004479398673070138,"irt_loglikelihood":-2745.790546299088,"irt_users":6738,"is_experimental":false},"abc240_d":{"slope":-0.0011417594995866717,"intercept":8.069529707341575,"variance":0.4186631394883509,"difficulty":570,"discrimination":0.004479398673070138,"irt_loglikelihood":-2795.1497675609426,"irt_users":6738,"is_experimental":false},"abc240_e":{"slope":-0.0007798826421446916,"intercept":8.230910806663795,"variance":0.31295367436411237,"difficulty":1068,"discrimination":0.004479398673070138,"irt_loglikelihood":-1869.7295603585178,"irt_users":6738,"is_experimental":false},"abc240_f":{"slope":-0.0005099759865760811,"intercept":8.65329447100957,"variance":0.19214871856066257,"difficulty":1589,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.524654744859,"irt_users":6738,"is_experimental":false},"abc240_g":{"slope":-0.00019053948385756853,"intercept":7.9875459734646395,"variance":0.3464253941539758,"difficulty":2462,"discrimination":0.004479398673070138,"irt_loglikelihood":-286.40957691428827,"irt_users":6738,"is_experimental":false},"abc240_h":{"slope":-0.00039786593784420086,"intercept":8.940268693135824,"variance":0.21877760302814236,"difficulty":3184,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.55519028166333,"irt_users":6738,"is_experimental":false},"abc241_a":{"slope":-0.0009665396140190771,"intercept":6.2717166965120255,"variance":0.679783535907189,"difficulty":-923,"discrimination":0.004479398673070138,"irt_loglikelihood":-599.153741750684,"irt_users":6659,"is_experimental":false},"abc241_b":{"slope":-0.0009524702917649425,"intercept":6.719165136675579,"variance":0.5133800664862298,"difficulty":-503,"discrimination":0.004479398673070138,"irt_loglikelihood":-1255.3535555433814,"irt_users":6659,"is_experimental":false},"abc241_c":{"slope":-0.0008737116511120089,"intercept":8.323265356122311,"variance":0.3849503100490033,"difficulty":664,"discrimination":0.004479398673070138,"irt_loglikelihood":-3963.477716854769,"irt_users":7710,"is_experimental":false},"abc241_d":{"slope":-0.0007748068640143908,"intercept":8.383030484901067,"variance":0.3789935347551825,"difficulty":1177,"discrimination":0.004479398673070138,"irt_loglikelihood":-2607.5945075547143,"irt_users":7710,"is_experimental":false},"abc241_e":{"slope":-0.0007857469751173319,"intercept":8.521756115595412,"variance":0.31644770074463247,"difficulty":1248,"discrimination":0.004479398673070138,"irt_loglikelihood":-1891.8568390707485,"irt_users":7710,"is_experimental":false},"abc241_f":{"slope":-0.00026332812638797914,"intercept":7.899348248864707,"variance":0.2456028034362927,"difficulty":1888,"discrimination":0.004479398673070138,"irt_loglikelihood":-954.6969221639813,"irt_users":7710,"is_experimental":false},"abc241_g":{"slope":-0.00048434488377960147,"intercept":8.42411243562709,"variance":0.28649486499269977,"difficulty":2422,"discrimination":0.004479398673070138,"irt_loglikelihood":-318.3688878497992,"irt_users":7710,"is_experimental":false},"abc241_h":{"slope":-0.00022479535249087573,"intercept":8.453394774082172,"variance":0.25294365564814186,"difficulty":2881,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.62926204013942,"irt_users":7710,"is_experimental":false},"ahc008_a":{"is_experimental":false},"arc136_a":{"slope":-0.0008831774539382366,"intercept":7.599242519391246,"variance":0.5181418883511507,"difficulty":-114,"discrimination":0.004479398673070138,"irt_loglikelihood":-985.9903372996203,"irt_users":3195,"is_experimental":false},"arc136_b":{"slope":-0.0009707785466511829,"intercept":9.125642413570322,"variance":0.5363899413457762,"difficulty":1358,"discrimination":0.004479398673070138,"irt_loglikelihood":-1538.666379227906,"irt_users":3195,"is_experimental":false},"arc136_c":{"slope":-0.0006285227504314955,"intercept":8.78128448760386,"variance":0.5356138724726827,"difficulty":2137,"discrimination":0.004479398673070138,"irt_loglikelihood":-630.4860976565155,"irt_users":3195,"is_experimental":false},"arc136_d":{"slope":-0.0008575297495598546,"intercept":9.371034938134978,"variance":0.40846178210115636,"difficulty":1908,"discrimination":0.004479398673070138,"irt_loglikelihood":-635.7034831586673,"irt_users":3195,"is_experimental":false},"arc136_e":{"slope":-0.0006626143847366922,"intercept":9.640226627977885,"variance":0.14029791252655607,"difficulty":3100,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.79525626760356,"irt_users":3195,"is_experimental":false},"arc136_f":{"difficulty":3554,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.86071080890219,"irt_users":3195,"is_experimental":false},"abc242_a":{"slope":-0.0009439569898758132,"intercept":6.7628838237096724,"variance":0.5092285290349999,"difficulty":-555,"discrimination":0.004479398673070138,"irt_loglikelihood":-947.0873275201758,"irt_users":6713,"is_experimental":false},"abc242_b":{"slope":-0.0011543024341855322,"intercept":6.294324924746448,"variance":0.8276248749989895,"difficulty":-478,"discrimination":0.004479398673070138,"irt_loglikelihood":-1059.0330512787966,"irt_users":6713,"is_experimental":false},"abc242_c":{"slope":-0.0012189308958196672,"intercept":7.926907045638717,"variance":0.4196481607916082,"difficulty":512,"discrimination":0.004479398673070138,"irt_loglikelihood":-2597.6409930425943,"irt_users":6713,"is_experimental":false},"abc242_d":{"slope":-0.0006391511533086784,"intercept":8.437658564551466,"variance":0.2972407714235089,"difficulty":1286,"discrimination":0.004479398673070138,"irt_loglikelihood":-1756.013430961847,"irt_users":6713,"is_experimental":false},"abc242_e":{"slope":-0.0007171252104579049,"intercept":8.528828446721938,"variance":0.30099424882709497,"difficulty":1365,"discrimination":0.004479398673070138,"irt_loglikelihood":-1425.7104454887453,"irt_users":6713,"is_experimental":false},"abc242_f":{"slope":-0.00013066183119789162,"intercept":7.702378603429981,"variance":0.2372455055320546,"difficulty":2268,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.60518039528668,"irt_users":6713,"is_experimental":false},"abc242_g":{"slope":-0.0003607566417423682,"intercept":7.810218417556698,"variance":0.42202258926354097,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-827.5117068297391,"irt_users":6713,"is_experimental":false},"abc242_h":{"slope":-0.000007164487176551874,"intercept":6.8022874047614685,"variance":0.01843131031970993,"difficulty":2835,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.23150302511855,"irt_users":6713,"is_experimental":false},"abc243_a":{"slope":-0.0007772182809197194,"intercept":6.5397602285150365,"variance":0.4803566608663619,"difficulty":-841,"discrimination":0.004479398673070138,"irt_loglikelihood":-614.9214853952394,"irt_users":6412,"is_experimental":false},"abc243_b":{"slope":-0.0007970555363736083,"intercept":6.44849711872484,"variance":0.31226995421509196,"difficulty":-692,"discrimination":0.004479398673070138,"irt_loglikelihood":-839.1787940378521,"irt_users":6412,"is_experimental":false},"abc243_c":{"slope":-0.001053132418128443,"intercept":8.108593540510238,"variance":0.36561066139792475,"difficulty":409,"discrimination":0.004479398673070138,"irt_loglikelihood":-3258.6011581174985,"irt_users":7395,"is_experimental":false},"abc243_d":{"slope":-0.0008960737162529907,"intercept":8.181091613823805,"variance":0.3800098798587547,"difficulty":758,"discrimination":0.004479398673070138,"irt_loglikelihood":-2814.173354727812,"irt_users":7395,"is_experimental":false},"abc243_e":{"slope":-0.0006218020212724072,"intercept":8.54182468575589,"variance":0.34432710320138543,"difficulty":1637,"discrimination":0.004479398673070138,"irt_loglikelihood":-1595.0299480156075,"irt_users":7395,"is_experimental":false},"abc243_f":{"slope":-0.0005651530442850363,"intercept":8.48028395969436,"variance":0.29629139535198334,"difficulty":2125,"discrimination":0.004479398673070138,"irt_loglikelihood":-550.8049809078121,"irt_users":7395,"is_experimental":false},"abc243_g":{"slope":-0.0007167651374643062,"intercept":9.025489624308854,"variance":0.32412747027555466,"difficulty":2032,"discrimination":0.004479398673070138,"irt_loglikelihood":-627.2200266116903,"irt_users":7395,"is_experimental":false},"abc243_h":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.527708023754923,"irt_users":7395,"is_experimental":false},"arc137_a":{"slope":-0.0010406755496074403,"intercept":8.377376579699284,"variance":0.5720481089201717,"difficulty":480,"discrimination":0.004479398673070138,"irt_loglikelihood":-1684.6725469500677,"irt_users":3375,"is_experimental":false},"arc137_b":{"slope":-0.0009428521930474609,"intercept":8.5988717712118,"variance":0.4429188965255785,"difficulty":883,"discrimination":0.004479398673070138,"irt_loglikelihood":-1346.0085844690534,"irt_users":3375,"is_experimental":false},"arc137_c":{"slope":-0.00039718924808969055,"intercept":8.47122546328643,"variance":0.3541085864510638,"difficulty":2043,"discrimination":0.004479398673070138,"irt_loglikelihood":-895.8591630460252,"irt_users":3375,"is_experimental":false},"arc137_d":{"slope":-0.0006744681308152977,"intercept":9.225219470044893,"variance":0.371750981962416,"difficulty":2191,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.19049094065116,"irt_users":3375,"is_experimental":false},"arc137_e":{"slope":-0.0002965540253570808,"intercept":8.428088042268989,"variance":0.44779289731586963,"difficulty":3034,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.38581785487955,"irt_users":3375,"is_experimental":false},"arc137_f":{"slope":-0.00013337343786762473,"intercept":8.209301359359554,"variance":0.31397282831181833,"difficulty":3313,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.652272654289504,"irt_users":3375,"is_experimental":false},"abc244_a":{"slope":-0.000974106466149559,"intercept":5.502397834302499,"variance":1.219712831847219,"difficulty":-1271,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.88103042358767,"irt_users":5107,"is_experimental":false},"abc244_b":{"slope":-0.0008717468993413607,"intercept":6.612035336193863,"variance":0.2423640756931075,"difficulty":-637,"discrimination":0.004479398673070138,"irt_loglikelihood":-693.4331877995688,"irt_users":5107,"is_experimental":false},"abc244_c":{"slope":-0.0009286809957112858,"intercept":7.346834570630418,"variance":0.4102732897682298,"difficulty":46,"discrimination":0.004479398673070138,"irt_loglikelihood":-2574.87088072815,"irt_users":5912,"is_experimental":false},"abc244_d":{"slope":-0.0006532299290389035,"intercept":7.360646449699917,"variance":0.394316536227202,"difficulty":47,"discrimination":0.004479398673070138,"irt_loglikelihood":-2456.4605652907785,"irt_users":5912,"is_experimental":false},"abc244_e":{"slope":-0.0009457033082752582,"intercept":8.530713554453332,"variance":0.29048227263574755,"difficulty":1125,"discrimination":0.004479398673070138,"irt_loglikelihood":-1407.384520566837,"irt_users":5912,"is_experimental":false},"abc244_f":{"slope":-0.0008384358059882176,"intercept":8.79295798253409,"variance":0.2845549350993665,"difficulty":1661,"discrimination":0.004479398673070138,"irt_loglikelihood":-735.4724577274093,"irt_users":5912,"is_experimental":false},"abc244_g":{"slope":-0.0005965808467497933,"intercept":8.650583227369067,"variance":0.17711854219556977,"difficulty":2117,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.04936353764714,"irt_users":5912,"is_experimental":false},"abc244_h":{"slope":-0.00003319607141395593,"intercept":7.978631549042147,"variance":0.16005450275077013,"difficulty":2878,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.91555255020408,"irt_users":5912,"is_experimental":false},"ahc009_a":{"difficulty":3594,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.267671114513197,"irt_users":637,"is_experimental":false},"abc245_a":{"slope":-0.0007885567389821062,"intercept":6.478599793406048,"variance":0.6675758674540497,"difficulty":-716,"discrimination":0.004479398673070138,"irt_loglikelihood":-862.4811030474073,"irt_users":6248,"is_experimental":false},"abc245_b":{"slope":-0.0011569167480936042,"intercept":6.481698600597785,"variance":0.6684017024397878,"difficulty":-523,"discrimination":0.004479398673070138,"irt_loglikelihood":-929.1336396660038,"irt_users":6248,"is_experimental":false},"abc245_c":{"slope":-0.0012111710013476128,"intercept":8.039304399573695,"variance":0.4089792512596095,"difficulty":403,"discrimination":0.004479398673070138,"irt_loglikelihood":-3118.1797088962608,"irt_users":7294,"is_experimental":false},"abc245_d":{"slope":-0.0007310431605628416,"intercept":8.23836896690514,"variance":0.4323756793078703,"difficulty":815,"discrimination":0.004479398673070138,"irt_loglikelihood":-3239.3346368760604,"irt_users":7294,"is_experimental":false},"abc245_e":{"slope":-0.0007844808267946259,"intercept":8.486614560604295,"variance":0.38967610371727707,"difficulty":1571,"discrimination":0.004479398673070138,"irt_loglikelihood":-1202.9340939467509,"irt_users":7294,"is_experimental":false},"abc245_f":{"slope":-0.000814216240778669,"intercept":8.497591073596087,"variance":0.44820976960177894,"difficulty":1451,"discrimination":0.004479398673070138,"irt_loglikelihood":-1451.0538936231344,"irt_users":7294,"is_experimental":false},"abc245_g":{"slope":-0.000587607764112768,"intercept":8.93860120477465,"variance":0.23304273051730742,"difficulty":2270,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.73303618860945,"irt_users":7294,"is_experimental":false},"abc245_h":{"difficulty":3057,"discrimination":0.004479398673070138,"irt_loglikelihood":-52.63779393204493,"irt_users":7294,"is_experimental":false},"abc246_a":{"slope":-0.0009253229803892035,"intercept":6.745088567377241,"variance":0.6069452691089332,"difficulty":-670,"discrimination":0.004479398673070138,"irt_loglikelihood":-933.5449266099365,"irt_users":6088,"is_experimental":false},"abc246_b":{"slope":-0.0008930553083452552,"intercept":6.646468202693036,"variance":0.556247042402401,"difficulty":-250,"discrimination":0.004479398673070138,"irt_loglikelihood":-1867.4484913525903,"irt_users":6088,"is_experimental":false},"abc246_c":{"slope":-0.001075000474250494,"intercept":7.9037411145219805,"variance":0.42379776913620854,"difficulty":330,"discrimination":0.004479398673070138,"irt_loglikelihood":-3287.1152224895827,"irt_users":7100,"is_experimental":false},"abc246_d":{"slope":-0.0007829234730550081,"intercept":8.256070333997654,"variance":0.43384098725760945,"difficulty":1148,"discrimination":0.004479398673070138,"irt_loglikelihood":-2531.271348760608,"irt_users":7100,"is_experimental":false},"abc246_e":{"slope":-0.0006794225567631655,"intercept":8.680530324943485,"variance":0.3142464110365275,"difficulty":1476,"discrimination":0.004479398673070138,"irt_loglikelihood":-1682.30691208406,"irt_users":7100,"is_experimental":false},"abc246_f":{"slope":-0.0007435952502964043,"intercept":8.316322518675598,"variance":0.3676773084176971,"difficulty":1677,"discrimination":0.004479398673070138,"irt_loglikelihood":-1092.1057309744317,"irt_users":7100,"is_experimental":false},"abc246_g":{"slope":-0.00035758944150822593,"intercept":8.274938205359396,"variance":0.2116122034811066,"difficulty":2313,"discrimination":0.004479398673070138,"irt_loglikelihood":-350.71471774932513,"irt_users":7100,"is_experimental":false},"abc246_h":{"slope":-0.0005601515478192093,"intercept":8.900866798061582,"variance":0.20391884992274337,"difficulty":2677,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.54191723533174,"irt_users":7100,"is_experimental":false},"arc138_a":{"slope":-0.0009885739217093102,"intercept":8.778356137562902,"variance":0.3961691794825649,"difficulty":837,"discrimination":0.004479398673070138,"irt_loglikelihood":-1180.719797122898,"irt_users":3231,"is_experimental":false},"arc138_b":{"slope":-0.0007968670053490949,"intercept":8.42420263840534,"variance":0.5350122532467717,"difficulty":934,"discrimination":0.004479398673070138,"irt_loglikelihood":-1499.030549116584,"irt_users":3231,"is_experimental":false},"arc138_c":{"slope":-0.0005779739533822238,"intercept":8.623061088336181,"variance":0.3160382754172197,"difficulty":1728,"discrimination":0.004479398673070138,"irt_loglikelihood":-1014.9855757993769,"irt_users":3231,"is_experimental":false},"arc138_d":{"slope":-0.0001495929178548147,"intercept":7.839427880780356,"variance":0.7765070075582229,"difficulty":2083,"discrimination":0.004479398673070138,"irt_loglikelihood":-917.507121583749,"irt_users":3231,"is_experimental":false},"arc138_e":{"slope":-0.0003035892690076671,"intercept":9.14862910288882,"variance":0.05724088992692468,"difficulty":3624,"discrimination":0.004479398673070138,"irt_loglikelihood":-21.622863726674098,"irt_users":3231,"is_experimental":false},"arc138_f":{"difficulty":3882,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.702893562451405,"irt_users":3231,"is_experimental":false},"abc247_a":{"slope":-0.0009533125062841911,"intercept":6.213779897607381,"variance":0.7630821914008932,"difficulty":-944,"discrimination":0.004479398673070138,"irt_loglikelihood":-378.3219096619355,"irt_users":5965,"is_experimental":false},"abc247_b":{"slope":-0.0008167983255887314,"intercept":7.597219698862787,"variance":0.3650308930670356,"difficulty":127,"discrimination":0.004479398673070138,"irt_loglikelihood":-2506.164625753796,"irt_users":5965,"is_experimental":false},"abc247_c":{"slope":-0.0011012051558139072,"intercept":7.445194469460197,"variance":0.6391417017113522,"difficulty":5,"discrimination":0.004479398673070138,"irt_loglikelihood":-2764.6860619195277,"irt_users":6819,"is_experimental":false},"abc247_d":{"slope":-0.0009437208139453657,"intercept":7.766258167908511,"variance":0.31994363321772296,"difficulty":468,"discrimination":0.004479398673070138,"irt_loglikelihood":-2756.530979301461,"irt_users":6819,"is_experimental":false},"abc247_e":{"slope":-0.0008176962115830182,"intercept":8.55644979048715,"variance":0.323952898500935,"difficulty":1256,"discrimination":0.004479398673070138,"irt_loglikelihood":-1680.6093015178067,"irt_users":6819,"is_experimental":false},"abc247_f":{"slope":-0.0005852006348365523,"intercept":8.416783601438226,"variance":0.2576079545840825,"difficulty":1697,"discrimination":0.004479398673070138,"irt_loglikelihood":-911.0157984375543,"irt_users":6819,"is_experimental":false},"abc247_g":{"slope":-0.0008052716501196462,"intercept":8.948001518660156,"variance":0.3385813352078901,"difficulty":2159,"discrimination":0.004479398673070138,"irt_loglikelihood":-401.69970934448804,"irt_users":6819,"is_experimental":false},"abc247_h":{"slope":-0.00030483514734769626,"intercept":8.376910656582417,"variance":0.18079199753458666,"difficulty":2664,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.971477174652,"irt_users":6819,"is_experimental":false},"abc248_a":{"slope":-0.0010413556491807856,"intercept":6.443732987775931,"variance":0.8101809053851619,"difficulty":-769,"discrimination":0.004479398673070138,"irt_loglikelihood":-516.2610228952544,"irt_users":5871,"is_experimental":false},"abc248_b":{"slope":-0.0010180232312090116,"intercept":6.308673174385383,"variance":0.639510676377407,"difficulty":-511,"discrimination":0.004479398673070138,"irt_loglikelihood":-958.8865575199231,"irt_users":5871,"is_experimental":false},"abc248_c":{"slope":-0.0012110570981843927,"intercept":8.064850382859692,"variance":0.45340076037964827,"difficulty":787,"discrimination":0.004479398673070138,"irt_loglikelihood":-2556.4479183506955,"irt_users":6826,"is_experimental":false},"abc248_d":{"slope":-0.00117807494288637,"intercept":8.260704648605511,"variance":0.6059250658130325,"difficulty":793,"discrimination":0.004479398673070138,"irt_loglikelihood":-2606.6157104020554,"irt_users":6826,"is_experimental":false},"abc248_e":{"slope":-0.0008205588262768346,"intercept":8.68867403263672,"variance":0.37135431715863226,"difficulty":1292,"discrimination":0.004479398673070138,"irt_loglikelihood":-1557.2077251926576,"irt_users":6826,"is_experimental":false},"abc248_f":{"slope":-0.0006233834629189301,"intercept":8.564721795255544,"variance":0.26928044909896437,"difficulty":1828,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.9368704392404,"irt_users":6826,"is_experimental":false},"abc248_g":{"slope":-0.0003779550152193124,"intercept":8.559771668779456,"variance":0.17534659237445663,"difficulty":2514,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.37768879473103,"irt_users":6826,"is_experimental":false},"abc248_h":{"slope":-0.00040930509598922134,"intercept":8.49752247020221,"variance":0.33100332338413335,"difficulty":2960,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.39096309810039,"irt_users":6826,"is_experimental":false},"abc249_a":{"slope":-0.0008095041350120379,"intercept":7.446010350454133,"variance":0.4072022595960445,"difficulty":-142,"discrimination":0.004479398673070138,"irt_loglikelihood":-1905.4703326901017,"irt_users":5621,"is_experimental":false},"abc249_b":{"slope":-0.0010062301145756466,"intercept":7.027156943275414,"variance":0.46943616228866625,"difficulty":-459,"discrimination":0.004479398673070138,"irt_loglikelihood":-1004.2049899058991,"irt_users":5621,"is_experimental":false},"abc249_c":{"slope":-0.0011087271502996695,"intercept":7.86199225095633,"variance":0.36694230476644846,"difficulty":528,"discrimination":0.004479398673070138,"irt_loglikelihood":-2598.7714082397897,"irt_users":6423,"is_experimental":false},"abc249_d":{"slope":-0.0010593088304817924,"intercept":8.447310266884868,"variance":0.5229536027762142,"difficulty":983,"discrimination":0.004479398673070138,"irt_loglikelihood":-2041.4336538257728,"irt_users":6423,"is_experimental":false},"abc249_e":{"slope":-0.0005695288123219061,"intercept":8.686564212703619,"variance":0.2463181694161255,"difficulty":1970,"discrimination":0.004479398673070138,"irt_loglikelihood":-626.2787686153489,"irt_users":6423,"is_experimental":false},"abc249_f":{"slope":-0.0007237263597301007,"intercept":8.90216968035817,"variance":0.3040800524254157,"difficulty":1786,"discrimination":0.004479398673070138,"irt_loglikelihood":-864.8738255568514,"irt_users":6423,"is_experimental":false},"abc249_g":{"slope":-0.0003051391626467894,"intercept":8.645915788843253,"variance":0.1742030077561009,"difficulty":2756,"discrimination":0.004479398673070138,"irt_loglikelihood":-110.81561750867652,"irt_users":6423,"is_experimental":false},"abc249_h":{"difficulty":3487,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.736990675145163,"irt_users":6423,"is_experimental":false},"ahc010_a":{"difficulty":3519,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.896865974526971,"irt_users":575,"is_experimental":false},"arc139_a":{"slope":-0.0010777880698325628,"intercept":8.707664009369195,"variance":0.5208905862015089,"difficulty":599,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.5982369862577,"irt_users":1921,"is_experimental":false},"arc139_b":{"slope":-0.0006767559873848923,"intercept":9.22398392820881,"variance":0.39270278646168943,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-735.6297566589516,"irt_users":1921,"is_experimental":false},"arc139_c":{"slope":-0.0003569890841995401,"intercept":8.959202576285897,"variance":0.1529725907260654,"difficulty":2406,"discrimination":0.004479398673070138,"irt_loglikelihood":-309.7359226123649,"irt_users":1921,"is_experimental":false},"arc139_d":{"slope":-0.0002701731401965769,"intercept":8.615164336929032,"variance":0.3036443081308683,"difficulty":2816,"discrimination":0.004479398673070138,"irt_loglikelihood":-106.86815176054421,"irt_users":1921,"is_experimental":false},"arc139_e":{"slope":-0.0005840852606301167,"intercept":9.682932237725863,"variance":0.19647556681506312,"difficulty":3222,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.8384768318166,"irt_users":1921,"is_experimental":false},"arc139_f":{"is_experimental":false},"agc057_a":{"slope":-0.0007324795591643668,"intercept":9.203316110755575,"variance":0.4267212398958757,"difficulty":1389,"discrimination":0.004479398673070138,"irt_loglikelihood":-670.7962435922736,"irt_users":1278,"is_experimental":false},"agc057_b":{"slope":-0.0006720785382247054,"intercept":9.685225382792716,"variance":0.2961156733988598,"difficulty":1952,"discrimination":0.004479398673070138,"irt_loglikelihood":-524.0952417281604,"irt_users":1278,"is_experimental":false},"agc057_c":{"slope":-0.0005941426975143325,"intercept":10.287416126939275,"variance":0.17422082062466598,"difficulty":3366,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.27969139278918,"irt_users":1278,"is_experimental":false},"agc057_d":{"slope":-0.00042838280095129855,"intercept":9.902970393387445,"variance":0.14993986371837392,"difficulty":3307,"discrimination":0.004479398673070138,"irt_loglikelihood":-64.09844377560792,"irt_users":1278,"is_experimental":false},"agc057_e":{"difficulty":4128,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.015921314268802,"irt_users":1278,"is_experimental":false},"agc057_f":{"difficulty":4128,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.8047028573972,"irt_users":1278,"is_experimental":false},"abc250_a":{"slope":-0.0009362065035783757,"intercept":6.852357386143326,"variance":0.5368279197643752,"difficulty":-706,"discrimination":0.004479398673070138,"irt_loglikelihood":-662.6231988587751,"irt_users":5325,"is_experimental":false},"abc250_b":{"slope":-0.0009632569206607009,"intercept":7.4226291683346854,"variance":0.30142343460371873,"difficulty":-119,"discrimination":0.004479398673070138,"irt_loglikelihood":-1636.3738487284677,"irt_users":5325,"is_experimental":false},"abc250_c":{"slope":-0.0008913358246488617,"intercept":7.7275495257543545,"variance":0.3554739426776979,"difficulty":517,"discrimination":0.004479398673070138,"irt_loglikelihood":-2777.184909236455,"irt_users":6045,"is_experimental":false},"abc250_d":{"slope":-0.0009243866087934192,"intercept":8.189789560331409,"variance":0.3634228454692038,"difficulty":797,"discrimination":0.004479398673070138,"irt_loglikelihood":-2303.3483619240355,"irt_users":6045,"is_experimental":false},"abc250_e":{"slope":-0.0006400721285142651,"intercept":8.401581351019919,"variance":0.3852867836815522,"difficulty":1421,"discrimination":0.004479398673070138,"irt_loglikelihood":-1425.7546662376424,"irt_users":6045,"is_experimental":false},"abc250_f":{"slope":-0.0006919979315083837,"intercept":8.829160777710792,"variance":0.23781972424924508,"difficulty":2044,"discrimination":0.004479398673070138,"irt_loglikelihood":-530.5112166914485,"irt_users":6045,"is_experimental":false},"abc250_g":{"slope":-0.00005925465415833943,"intercept":7.468962895747082,"variance":0.5241365694715049,"difficulty":2219,"discrimination":0.004479398673070138,"irt_loglikelihood":-639.1182702467529,"irt_users":6045,"is_experimental":false},"abc250_h":{"slope":-0.00009993215920176205,"intercept":7.903927270299166,"variance":0.3237217505410159,"difficulty":2773,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.83573958365973,"irt_users":6045,"is_experimental":false},"abc251_a":{"slope":-0.0008721532632861607,"intercept":5.930194219521987,"variance":0.853696569265061,"difficulty":-1113,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.4648448850985,"irt_users":5769,"is_experimental":false},"abc251_b":{"slope":-0.0010034488977742387,"intercept":7.436524990994843,"variance":0.4196099801237182,"difficulty":83,"discrimination":0.004479398673070138,"irt_loglikelihood":-1947.3312779425175,"irt_users":5769,"is_experimental":false},"abc251_c":{"slope":-0.0010281154977302889,"intercept":7.331150950620772,"variance":0.4932048915002733,"difficulty":205,"discrimination":0.004479398673070138,"irt_loglikelihood":-2728.740294836205,"irt_users":6694,"is_experimental":false},"abc251_d":{"slope":-0.0008759184408474875,"intercept":8.310736848123604,"variance":0.5755684452886869,"difficulty":1463,"discrimination":0.004479398673070138,"irt_loglikelihood":-1923.417087094323,"irt_users":6694,"is_experimental":false},"abc251_e":{"slope":-0.0008802001805988743,"intercept":8.715152118229907,"variance":0.40173338570721573,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-1846.1197466154083,"irt_users":6694,"is_experimental":false},"abc251_f":{"slope":-0.0006775004957110211,"intercept":8.352996437604473,"variance":0.29019693126549095,"difficulty":1703,"discrimination":0.004479398673070138,"irt_loglikelihood":-876.9482165816394,"irt_users":6694,"is_experimental":false},"abc251_g":{"slope":-0.0005440157523630038,"intercept":8.764590390267237,"variance":0.2787909076861568,"difficulty":2468,"discrimination":0.004479398673070138,"irt_loglikelihood":-215.02717580766887,"irt_users":6694,"is_experimental":false},"abc251_h":{"slope":-0.00017362372567513015,"intercept":8.46522039637964,"variance":0.24013284489240969,"difficulty":3108,"discrimination":0.004479398673070138,"irt_loglikelihood":-50.39398637024124,"irt_users":6694,"is_experimental":false},"arc140_a":{"slope":-0.0010905227780254741,"intercept":8.806686820087819,"variance":0.44240162523431015,"difficulty":951,"discrimination":0.004479398673070138,"irt_loglikelihood":-1091.8594244386074,"irt_users":2192,"is_experimental":false},"arc140_b":{"slope":-0.0008066925126523264,"intercept":8.906791146048977,"variance":0.3764481084099633,"difficulty":1092,"discrimination":0.004479398673070138,"irt_loglikelihood":-1075.857353608195,"irt_users":2192,"is_experimental":false},"arc140_c":{"slope":-0.0006432860182625395,"intercept":8.750141072755978,"variance":0.24680968636918052,"difficulty":1596,"discrimination":0.004479398673070138,"irt_loglikelihood":-767.392986220554,"irt_users":2192,"is_experimental":false},"arc140_d":{"slope":-0.0004200557357735732,"intercept":8.498718636797506,"variance":0.2871396368593756,"difficulty":2443,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.6131513490025,"irt_users":2192,"is_experimental":false},"arc140_e":{"slope":-0.0004974760056294667,"intercept":8.922354894467182,"variance":0.2790464045405462,"difficulty":2739,"discrimination":0.004479398673070138,"irt_loglikelihood":-174.90023943904455,"irt_users":2192,"is_experimental":false},"arc140_f":{"difficulty":3392,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.576583515027924,"irt_users":2192,"is_experimental":false},"abc252_a":{"slope":-0.0009191474669599636,"intercept":5.6954441337765696,"variance":1.0192892687640958,"difficulty":-1225,"discrimination":0.004479398673070138,"irt_loglikelihood":-211.01840246625207,"irt_users":6434,"is_experimental":false},"abc252_b":{"slope":-0.0009276377277565839,"intercept":6.899618696941877,"variance":0.4490470826692109,"difficulty":-497,"discrimination":0.004479398673070138,"irt_loglikelihood":-1027.6148392480293,"irt_users":6434,"is_experimental":false},"abc252_c":{"slope":-0.0009852688365386668,"intercept":8.116858459959078,"variance":0.2964149152810185,"difficulty":441,"discrimination":0.004479398673070138,"irt_loglikelihood":-3410.6086205556653,"irt_users":7424,"is_experimental":false},"abc252_d":{"slope":-0.0009980695995963668,"intercept":8.202837149595647,"variance":0.48161938905931134,"difficulty":884,"discrimination":0.004479398673070138,"irt_loglikelihood":-2668.020017028311,"irt_users":7424,"is_experimental":false},"abc252_e":{"slope":-0.0007939083238018378,"intercept":8.431186025797402,"variance":0.3653393809123321,"difficulty":1294,"discrimination":0.004479398673070138,"irt_loglikelihood":-1697.5632642847593,"irt_users":7424,"is_experimental":false},"abc252_f":{"slope":-0.0006838227260187922,"intercept":8.031324909626125,"variance":0.44053339068815206,"difficulty":1609,"discrimination":0.004479398673070138,"irt_loglikelihood":-1432.0166544329286,"irt_users":7424,"is_experimental":false},"abc252_g":{"slope":-0.0004283675626768241,"intercept":8.213777976446574,"variance":0.3623981494192035,"difficulty":2153,"discrimination":0.004479398673070138,"irt_loglikelihood":-477.95670828297045,"irt_users":7424,"is_experimental":false},"abc252_h":{"slope":-0.00013932699157593424,"intercept":8.23896634343639,"variance":0.2069448850878812,"difficulty":3015,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.397345144426836,"irt_users":7424,"is_experimental":false},"abc253_a":{"slope":-0.0009328811468272314,"intercept":6.289456751369534,"variance":0.8755386695405842,"difficulty":-857,"discrimination":0.004479398673070138,"irt_loglikelihood":-553.619517008567,"irt_users":6265,"is_experimental":false},"abc253_b":{"slope":-0.0009922235151239784,"intercept":6.837751426703135,"variance":0.41017151363838095,"difficulty":-378,"discrimination":0.004479398673070138,"irt_loglikelihood":-1182.3119579836641,"irt_users":6265,"is_experimental":false},"abc253_c":{"slope":-0.0009354382111898947,"intercept":7.603261318185203,"variance":0.62643258554603,"difficulty":518,"discrimination":0.004479398673070138,"irt_loglikelihood":-3433.003171975488,"irt_users":7373,"is_experimental":false},"abc253_d":{"slope":-0.0009446491581499839,"intercept":7.847796186710404,"variance":0.6469699139990749,"difficulty":520,"discrimination":0.004479398673070138,"irt_loglikelihood":-3202.075302794073,"irt_users":7373,"is_experimental":false},"abc253_e":{"slope":-0.0008684374232112474,"intercept":8.695511666936563,"variance":0.23559731123888228,"difficulty":1073,"discrimination":0.004479398673070138,"irt_loglikelihood":-1963.7163240363186,"irt_users":7373,"is_experimental":false},"abc253_f":{"slope":-0.000674408387050743,"intercept":8.845360127578093,"variance":0.19087825956002188,"difficulty":1756,"discrimination":0.004479398673070138,"irt_loglikelihood":-921.0577391735552,"irt_users":7373,"is_experimental":false},"abc253_g":{"slope":-0.0005144501585736111,"intercept":8.577427089417995,"variance":0.223754784008813,"difficulty":2051,"discrimination":0.004479398673070138,"irt_loglikelihood":-571.75100933726,"irt_users":7373,"is_experimental":false},"abc253_h":{"slope":-0.000442328305844848,"intercept":8.718074679750407,"variance":0.1586242900604946,"difficulty":2758,"discrimination":0.004479398673070138,"irt_loglikelihood":-149.4637424071937,"irt_users":7373,"is_experimental":false},"arc141_a":{"slope":-0.0009001898449654261,"intercept":8.95953635613646,"variance":0.31691480498437447,"difficulty":734,"discrimination":0.004479398673070138,"irt_loglikelihood":-999.7759444751523,"irt_users":2054,"is_experimental":false},"arc141_b":{"slope":-0.000997231327819718,"intercept":9.192424092423948,"variance":0.31094273875110295,"difficulty":1265,"discrimination":0.004479398673070138,"irt_loglikelihood":-725.0855738564264,"irt_users":2054,"is_experimental":false},"arc141_c":{"slope":-0.0003508520104578454,"intercept":8.946230760334375,"variance":0.20569674493056686,"difficulty":2342,"discrimination":0.004479398673070138,"irt_loglikelihood":-317.09817569021607,"irt_users":2054,"is_experimental":false},"arc141_d":{"slope":-0.0004038113736524597,"intercept":8.80351186999261,"variance":0.29777167030141793,"difficulty":2890,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.0809397846264,"irt_users":2054,"is_experimental":false},"arc141_e":{"slope":-0.0003454123845247719,"intercept":9.022151506952765,"variance":0.2311427017050844,"difficulty":3009,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.24417618492235,"irt_users":2054,"is_experimental":false},"arc141_f":{"difficulty":4134,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.83055139910174,"irt_users":2054,"is_experimental":false},"abc254_a":{"slope":-0.000851606656051433,"intercept":5.765372557584222,"variance":0.9940496059983649,"difficulty":-1194,"discrimination":0.004479398673070138,"irt_loglikelihood":-297.2882331874938,"irt_users":6785,"is_experimental":false},"abc254_b":{"slope":-0.000854769735076121,"intercept":6.793482491227696,"variance":0.44782985174501766,"difficulty":-476,"discrimination":0.004479398673070138,"irt_loglikelihood":-1308.5629502931017,"irt_users":6785,"is_experimental":false},"abc254_c":{"slope":-0.0012205383326684479,"intercept":8.189684712998668,"variance":0.47852909872123334,"difficulty":536,"discrimination":0.004479398673070138,"irt_loglikelihood":-3456.798892971747,"irt_users":7787,"is_experimental":false},"abc254_d":{"slope":-0.0008966279346449296,"intercept":8.351087369676359,"variance":0.47405498327819307,"difficulty":1191,"discrimination":0.004479398673070138,"irt_loglikelihood":-2498.3091919736607,"irt_users":7787,"is_experimental":false},"abc254_e":{"slope":-0.0008619005673684307,"intercept":8.380621218567292,"variance":0.4233337934884632,"difficulty":1202,"discrimination":0.004479398673070138,"irt_loglikelihood":-2123.4476143880024,"irt_users":7787,"is_experimental":false},"abc254_f":{"slope":-0.0007085348497091898,"intercept":8.500920329330842,"variance":0.32172638612781795,"difficulty":1764,"discrimination":0.004479398673070138,"irt_loglikelihood":-935.5522775088547,"irt_users":7787,"is_experimental":false},"abc254_g":{"slope":-0.0005832586539195389,"intercept":9.60517138995691,"variance":0.18181050402016063,"difficulty":2890,"discrimination":0.004479398673070138,"irt_loglikelihood":-88.69893887647899,"irt_users":7787,"is_experimental":false},"abc254_h":{"slope":-0.00028971373980449065,"intercept":8.24821490458716,"variance":0.30685412919701266,"difficulty":2499,"discrimination":0.004479398673070138,"irt_loglikelihood":-244.11328613549531,"irt_users":7787,"is_experimental":false},"ahc011_a":{"difficulty":3615,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.5714387627554864,"irt_users":711,"is_experimental":false},"abc255_a":{"slope":-0.0009642726858217224,"intercept":5.944181634735714,"variance":0.5042503430791475,"difficulty":-983,"discrimination":0.004479398673070138,"irt_loglikelihood":-254.688802240961,"irt_users":6352,"is_experimental":false},"abc255_b":{"slope":-0.001051354240842083,"intercept":7.936128729039242,"variance":0.3012881541525849,"difficulty":348,"discrimination":0.004479398673070138,"irt_loglikelihood":-2807.9512631053362,"irt_users":6352,"is_experimental":false},"abc255_c":{"slope":-0.000889343997728927,"intercept":8.201769494487975,"variance":0.38532397394688767,"difficulty":574,"discrimination":0.004479398673070138,"irt_loglikelihood":-2964.824829597772,"irt_users":6352,"is_experimental":false},"abc255_d":{"slope":-0.0009039245812077586,"intercept":8.019482898355342,"variance":0.3932582123038588,"difficulty":788,"discrimination":0.004479398673070138,"irt_loglikelihood":-2157.307329772885,"irt_users":6352,"is_experimental":false},"abc255_e":{"slope":-0.000383822921535513,"intercept":7.995096139639811,"variance":0.2723046591489038,"difficulty":1519,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.830726052284,"irt_users":6352,"is_experimental":false},"abc255_f":{"slope":-0.0004065399102807995,"intercept":8.240330093655913,"variance":0.2743951603786297,"difficulty":1797,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.2949781642933,"irt_users":6352,"is_experimental":false},"abc255_g":{"slope":-0.0006336433388718698,"intercept":8.690350093664792,"variance":0.21960526590982138,"difficulty":2734,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.66616556142372,"irt_users":6352,"is_experimental":false},"abc255_h":{"difficulty":2430,"discrimination":0.004479398673070138,"irt_loglikelihood":-126.02282174285867,"irt_users":6352,"is_experimental":false},"abc256_a":{"slope":-0.0009609516725736064,"intercept":5.481330866383215,"variance":1.2513684233897473,"difficulty":-1191,"discrimination":0.004479398673070138,"irt_loglikelihood":-189.68861023061947,"irt_users":6088,"is_experimental":false},"abc256_b":{"slope":-0.0009551508093229098,"intercept":7.253982376832526,"variance":0.3303462039130442,"difficulty":-227,"discrimination":0.004479398673070138,"irt_loglikelihood":-1622.5716582418288,"irt_users":6088,"is_experimental":false},"abc256_c":{"slope":-0.000848310422858752,"intercept":7.916221098061477,"variance":0.27835368671513827,"difficulty":541,"discrimination":0.004479398673070138,"irt_loglikelihood":-3401.3008797745215,"irt_users":7049,"is_experimental":false},"abc256_d":{"slope":-0.0009702071225998834,"intercept":7.904720191950855,"variance":0.4645891094453342,"difficulty":546,"discrimination":0.004479398673070138,"irt_loglikelihood":-2942.3792006534322,"irt_users":7049,"is_experimental":false},"abc256_e":{"slope":-0.0007915277630564157,"intercept":8.40890635743729,"variance":0.30122297620253535,"difficulty":1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-1754.890207839357,"irt_users":7049,"is_experimental":false},"abc256_f":{"slope":-0.000572233107999834,"intercept":8.76931989178743,"variance":0.25966215099155726,"difficulty":2067,"discrimination":0.004479398673070138,"irt_loglikelihood":-642.6168915957473,"irt_users":7049,"is_experimental":false},"abc256_g":{"slope":-0.0006813809975771406,"intercept":8.764385960138185,"variance":0.31651624276568957,"difficulty":2250,"discrimination":0.004479398673070138,"irt_loglikelihood":-390.77741371005374,"irt_users":7049,"is_experimental":false},"abc256_h":{"slope":-0.000346144385214824,"intercept":8.163028006584875,"variance":0.3617130090778091,"difficulty":2531,"discrimination":0.004479398673070138,"irt_loglikelihood":-298.9698485682772,"irt_users":7049,"is_experimental":false},"arc142_a":{"slope":-0.0008471887992628108,"intercept":8.503324751977487,"variance":0.38019863967126005,"difficulty":552,"discrimination":0.004479398673070138,"irt_loglikelihood":-1137.5231687284922,"irt_users":2377,"is_experimental":false},"arc142_b":{"slope":-0.0007175919471422394,"intercept":8.036260095112565,"variance":0.48428593840806555,"difficulty":692,"discrimination":0.004479398673070138,"irt_loglikelihood":-1245.917797887306,"irt_users":2377,"is_experimental":false},"arc142_c":{"slope":-0.0005930784926123996,"intercept":8.855946912517838,"variance":0.32003163555619923,"difficulty":1347,"discrimination":0.004479398673070138,"irt_loglikelihood":-982.6382870396735,"irt_users":2377,"is_experimental":false},"arc142_d":{"slope":-0.0004921689359487331,"intercept":9.497297677297704,"variance":0.13226270307538332,"difficulty":2938,"discrimination":0.004479398673070138,"irt_loglikelihood":-97.81249412694098,"irt_users":2377,"is_experimental":false},"arc142_e":{"slope":-0.00039997977359139495,"intercept":9.27290706866523,"variance":0.12970767871612132,"difficulty":3232,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.210934220801384,"irt_users":2377,"is_experimental":false},"arc142_f":{"difficulty":3723,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.419862485155846,"irt_users":2377,"is_experimental":false},"abc257_a":{"slope":-0.0010161847647687037,"intercept":6.804536376172958,"variance":0.6704658542830154,"difficulty":-754,"discrimination":0.004479398673070138,"irt_loglikelihood":-580.7054366421814,"irt_users":6015,"is_experimental":false},"abc257_b":{"slope":-0.0009402509677244794,"intercept":7.398806286364449,"variance":0.28152503877159935,"difficulty":-194,"discrimination":0.004479398673070138,"irt_loglikelihood":-1618.1994752011058,"irt_users":6015,"is_experimental":false},"abc257_c":{"slope":-0.0010059315400654638,"intercept":8.34740814222955,"variance":0.32784991470543734,"difficulty":678,"discrimination":0.004479398673070138,"irt_loglikelihood":-2846.3024835469137,"irt_users":6914,"is_experimental":false},"abc257_d":{"slope":-0.0007232912071809042,"intercept":8.430222462468556,"variance":0.2916188289115471,"difficulty":1203,"discrimination":0.004479398673070138,"irt_loglikelihood":-1921.8113973580514,"irt_users":6914,"is_experimental":false},"abc257_e":{"slope":-0.0007820855275500542,"intercept":8.297780956635835,"variance":0.47778019548183526,"difficulty":1385,"discrimination":0.004479398673070138,"irt_loglikelihood":-1621.0614984621955,"irt_users":6914,"is_experimental":false},"abc257_f":{"slope":-0.0007291759959338978,"intercept":8.59977574645886,"variance":0.2963103577718826,"difficulty":1775,"discrimination":0.004479398673070138,"irt_loglikelihood":-854.6318612318616,"irt_users":6914,"is_experimental":false},"abc257_g":{"slope":-0.00048064574521908656,"intercept":8.075340701527804,"variance":0.3856504611782042,"difficulty":2078,"discrimination":0.004479398673070138,"irt_loglikelihood":-542.8608998627958,"irt_users":6914,"is_experimental":false},"abc257_h":{"difficulty":3461,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.414298980378604,"irt_users":6914,"is_experimental":false},"arc143_a":{"slope":-0.000800513104767568,"intercept":7.779218761018338,"variance":0.5664477071159155,"difficulty":-42,"discrimination":0.004479398673070138,"irt_loglikelihood":-749.9300121464813,"irt_users":2521,"is_experimental":false},"arc143_b":{"slope":-0.0009131987529151473,"intercept":9.197522010019911,"variance":0.2970304083531008,"difficulty":1433,"discrimination":0.004479398673070138,"irt_loglikelihood":-1087.9226091639919,"irt_users":2521,"is_experimental":false},"arc143_c":{"slope":-0.0004956256632357882,"intercept":8.71486435811203,"variance":0.3274070031876144,"difficulty":1805,"discrimination":0.004479398673070138,"irt_loglikelihood":-988.361688663349,"irt_users":2521,"is_experimental":false},"arc143_d":{"slope":-0.0006140463275280325,"intercept":8.96895884772107,"variance":0.2604910776209904,"difficulty":2229,"discrimination":0.004479398673070138,"irt_loglikelihood":-376.58029885033795,"irt_users":2521,"is_experimental":false},"arc143_e":{"slope":-0.0002350956158881745,"intercept":8.197993109401711,"variance":0.16227578520526856,"difficulty":2521,"discrimination":0.004479398673070138,"irt_loglikelihood":-256.71802019335087,"irt_users":2521,"is_experimental":false},"arc143_f":{"is_experimental":false},"abc258_a":{"slope":-0.0007735261836111831,"intercept":6.325903717218331,"variance":0.6241309233880352,"difficulty":-1060,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.338192634345,"irt_users":6524,"is_experimental":false},"abc258_b":{"slope":-0.0010036456243620062,"intercept":8.05544649506968,"variance":0.32437699206901943,"difficulty":511,"discrimination":0.004479398673070138,"irt_loglikelihood":-2887.090427676676,"irt_users":6524,"is_experimental":false},"abc258_c":{"slope":-0.0012503618452347882,"intercept":7.9322519938974825,"variance":0.5557115402949401,"difficulty":419,"discrimination":0.004479398673070138,"irt_loglikelihood":-3520.0953864838084,"irt_users":7496,"is_experimental":false},"abc258_d":{"slope":-0.000816935206145724,"intercept":7.8232519904321665,"variance":0.392992871489046,"difficulty":687,"discrimination":0.004479398673070138,"irt_loglikelihood":-3086.1325297998796,"irt_users":7496,"is_experimental":false},"abc258_e":{"slope":-0.0006377890095287141,"intercept":8.843460716496775,"variance":0.21023666078234454,"difficulty":1545,"discrimination":0.004479398673070138,"irt_loglikelihood":-1425.9288207953039,"irt_users":7496,"is_experimental":false},"abc258_f":{"slope":-0.00036744913099606263,"intercept":8.398646943922344,"variance":0.1650449250636264,"difficulty":2306,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.60305140091543,"irt_users":7496,"is_experimental":false},"abc258_g":{"slope":-0.00037324432436674387,"intercept":7.871981913508366,"variance":0.6061372730795676,"difficulty":1944,"discrimination":0.004479398673070138,"irt_loglikelihood":-1073.7090451351685,"irt_users":7496,"is_experimental":false},"abc258_h":{"slope":-0.00028043193362607563,"intercept":8.159655511379126,"variance":0.3444436879551176,"difficulty":2708,"discrimination":0.004479398673070138,"irt_loglikelihood":-176.75439629111423,"irt_users":7496,"is_experimental":false},"ahc012_a":{"difficulty":3580,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.9209750991720633,"irt_users":638,"is_experimental":false},"abc259_a":{"slope":-0.0007610255395221501,"intercept":6.763680141200922,"variance":0.46438136479275705,"difficulty":-582,"discrimination":0.004479398673070138,"irt_loglikelihood":-1075.7594387945671,"irt_users":6113,"is_experimental":false},"abc259_b":{"slope":-0.0007903863296398094,"intercept":7.246278909001426,"variance":0.5349734645830645,"difficulty":81,"discrimination":0.004479398673070138,"irt_loglikelihood":-3321.9898473132494,"irt_users":6113,"is_experimental":false},"abc259_c":{"slope":-0.00096531031790066,"intercept":8.155933376231571,"variance":0.372388350251006,"difficulty":451,"discrimination":0.004479398673070138,"irt_loglikelihood":-3681.6650627236786,"irt_users":6976,"is_experimental":false},"abc259_d":{"slope":-0.0007992110883570071,"intercept":8.351412001969821,"variance":0.29576685165813305,"difficulty":947,"discrimination":0.004479398673070138,"irt_loglikelihood":-2779.3529619503506,"irt_users":6976,"is_experimental":false},"abc259_e":{"slope":-0.0007163661643100673,"intercept":8.38760707695192,"variance":0.2896904253594712,"difficulty":1370,"discrimination":0.004479398673070138,"irt_loglikelihood":-1662.3222944058805,"irt_users":6976,"is_experimental":false},"abc259_f":{"slope":-0.0006489580005405979,"intercept":8.662937376774503,"variance":0.23907115651215918,"difficulty":1961,"discrimination":0.004479398673070138,"irt_loglikelihood":-740.1912115523372,"irt_users":6976,"is_experimental":false},"abc259_g":{"slope":-0.00035636883162215355,"intercept":8.00927914512967,"variance":0.33350969396709684,"difficulty":2428,"discrimination":0.004479398673070138,"irt_loglikelihood":-262.32869113487715,"irt_users":6976,"is_experimental":false},"abc259_h":{"slope":-0.0007683773559162352,"intercept":9.011131115695242,"variance":0.34963729567723045,"difficulty":2406,"discrimination":0.004479398673070138,"irt_loglikelihood":-287.7391106321004,"irt_users":6976,"is_experimental":false},"arc144_a":{"slope":-0.0008254217129099141,"intercept":7.562110744745171,"variance":0.46612460650995946,"difficulty":-136,"discrimination":0.004479398673070138,"irt_loglikelihood":-978.512956284884,"irt_users":3313,"is_experimental":false},"arc144_b":{"slope":-0.0009133393855176264,"intercept":8.257212080282763,"variance":0.48074065815159694,"difficulty":895,"discrimination":0.004479398673070138,"irt_loglikelihood":-1540.9708014838097,"irt_users":3313,"is_experimental":false},"arc144_c":{"slope":-0.0005499913414886867,"intercept":9.067219327023775,"variance":0.1791431358851934,"difficulty":1622,"discrimination":0.004479398673070138,"irt_loglikelihood":-1133.2044030883874,"irt_users":3313,"is_experimental":false},"arc144_d":{"slope":-0.0005284614863607123,"intercept":9.215551334960372,"variance":0.21103945636004726,"difficulty":2468,"discrimination":0.004479398673070138,"irt_loglikelihood":-312.37030533456635,"irt_users":3313,"is_experimental":false},"arc144_e":{"slope":-0.0006157112976188377,"intercept":9.722406347465002,"variance":0.1642344586014161,"difficulty":3238,"discrimination":0.004479398673070138,"irt_loglikelihood":-39.36865236703077,"irt_users":3313,"is_experimental":false},"arc144_f":{"difficulty":3744,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.952103794820972,"irt_users":3313,"is_experimental":false},"abc260_a":{"slope":-0.0009098099612906541,"intercept":6.357191633338358,"variance":0.7093768660454606,"difficulty":-989,"discrimination":0.004479398673070138,"irt_loglikelihood":-359.98595128624737,"irt_users":6007,"is_experimental":false},"abc260_b":{"slope":-0.0008745310868389642,"intercept":7.803255137471446,"variance":0.24238366938659478,"difficulty":112,"discrimination":0.004479398673070138,"irt_loglikelihood":-2239.6362932519514,"irt_users":6007,"is_experimental":false},"abc260_c":{"slope":-0.0008364995700508283,"intercept":7.687815893778423,"variance":0.3457216641440466,"difficulty":413,"discrimination":0.004479398673070138,"irt_loglikelihood":-3319.9340235303393,"irt_users":6812,"is_experimental":false},"abc260_d":{"slope":-0.0007578030961463881,"intercept":8.345656670144304,"variance":0.25894067374395713,"difficulty":1074,"discrimination":0.004479398673070138,"irt_loglikelihood":-2440.3594939748423,"irt_users":6812,"is_experimental":false},"abc260_e":{"slope":-0.0006136823087497913,"intercept":8.41862027554448,"variance":0.2562004929318306,"difficulty":1692,"discrimination":0.004479398673070138,"irt_loglikelihood":-1185.9762767272973,"irt_users":6812,"is_experimental":false},"abc260_f":{"slope":-0.0007211381295047764,"intercept":8.747808265060247,"variance":0.3079173521629265,"difficulty":1995,"discrimination":0.004479398673070138,"irt_loglikelihood":-799.5103707102361,"irt_users":6812,"is_experimental":false},"abc260_g":{"slope":-0.00034620252448932945,"intercept":8.239178828780377,"variance":0.3068138087578358,"difficulty":2339,"discrimination":0.004479398673070138,"irt_loglikelihood":-337.7445304856686,"irt_users":6812,"is_experimental":false},"abc260_h":{"slope":-0.00011144886527779038,"intercept":8.303837039859545,"variance":0.143768569538885,"difficulty":3339,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.514044270528665,"irt_users":6812,"is_experimental":false},"abc261_a":{"slope":-0.0010314375037914522,"intercept":7.083958728684773,"variance":0.7114409408066678,"difficulty":-423,"discrimination":0.004479398673070138,"irt_loglikelihood":-1166.0453537597348,"irt_users":6139,"is_experimental":false},"abc261_b":{"slope":-0.0009226729781591981,"intercept":7.07865901993143,"variance":0.36737503594113846,"difficulty":-275,"discrimination":0.004479398673070138,"irt_loglikelihood":-1280.3710168992702,"irt_users":6139,"is_experimental":false},"abc261_c":{"slope":-0.0008363786051905568,"intercept":6.6532475376234785,"variance":0.46698991948209656,"difficulty":79,"discrimination":0.004479398673070138,"irt_loglikelihood":-2793.9611800568173,"irt_users":7054,"is_experimental":false},"abc261_d":{"slope":-0.0009263977606769568,"intercept":8.132629897804843,"variance":0.3461836927481354,"difficulty":801,"discrimination":0.004479398673070138,"irt_loglikelihood":-2847.8641097199657,"irt_users":7054,"is_experimental":false},"abc261_e":{"slope":-0.0008659892845215663,"intercept":8.527862620652233,"variance":0.2832015116184029,"difficulty":1261,"discrimination":0.004479398673070138,"irt_loglikelihood":-1862.0327669547978,"irt_users":7054,"is_experimental":false},"abc261_f":{"slope":-0.0007100966243286652,"intercept":8.442557447974949,"variance":0.3097268324734214,"difficulty":1587,"discrimination":0.004479398673070138,"irt_loglikelihood":-1206.834531012263,"irt_users":7054,"is_experimental":false},"abc261_g":{"slope":-0.00026564570186312264,"intercept":8.56882524084944,"variance":0.18542027226856797,"difficulty":2803,"discrimination":0.004479398673070138,"irt_loglikelihood":-109.92367093830755,"irt_users":7054,"is_experimental":false},"abc261_h":{"slope":-0.00015361679870625904,"intercept":7.954032030468788,"variance":0.2648947193782726,"difficulty":2531,"discrimination":0.004479398673070138,"irt_loglikelihood":-254.16166449388928,"irt_users":7054,"is_experimental":false},"arc145_a":{"slope":-0.0005354668460690256,"intercept":8.27070822324827,"variance":0.5296746448659118,"difficulty":596,"discrimination":0.004479398673070138,"irt_loglikelihood":-2414.380605245069,"irt_users":3425,"is_experimental":false},"arc145_b":{"slope":-0.0006223363585393358,"intercept":8.449550053871214,"variance":0.37423862291423465,"difficulty":767,"discrimination":0.004479398673070138,"irt_loglikelihood":-1789.0260161437088,"irt_users":3425,"is_experimental":false},"arc145_c":{"slope":-0.000715338096071846,"intercept":8.820179403198955,"variance":0.29997672336955344,"difficulty":1697,"discrimination":0.004479398673070138,"irt_loglikelihood":-966.5628909858959,"irt_users":3425,"is_experimental":false},"arc145_d":{"slope":-0.0003291401020737558,"intercept":8.608954858352565,"variance":0.23219375102723486,"difficulty":2297,"discrimination":0.004479398673070138,"irt_loglikelihood":-402.6056708259528,"irt_users":3425,"is_experimental":false},"arc145_e":{"difficulty":3581,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.882567596510889,"irt_users":3425,"is_experimental":false},"arc145_f":{"difficulty":3943,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.978200477924203,"irt_users":3425,"is_experimental":false},"abc262_a":{"slope":-0.0008500158000731282,"intercept":6.216987888031734,"variance":0.6768971342079207,"difficulty":-1190,"discrimination":0.004479398673070138,"irt_loglikelihood":-146.07115797705197,"irt_users":5368,"is_experimental":false},"abc262_b":{"slope":-0.0011984480345913707,"intercept":7.299734688853681,"variance":0.5664429788376215,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-1735.194721788541,"irt_users":5368,"is_experimental":false},"abc262_c":{"slope":-0.0010592534222598792,"intercept":7.8561934514675125,"variance":0.46296862974532527,"difficulty":360,"discrimination":0.004479398673070138,"irt_loglikelihood":-2642.485265592152,"irt_users":6182,"is_experimental":false},"abc262_d":{"slope":-0.0011262802469457068,"intercept":8.82394189405277,"variance":0.4121093124878937,"difficulty":1213,"discrimination":0.004479398673070138,"irt_loglikelihood":-1598.87370852417,"irt_users":6182,"is_experimental":false},"abc262_e":{"slope":-0.0007665775963102844,"intercept":8.681262523079381,"variance":0.341210355748821,"difficulty":1719,"discrimination":0.004479398673070138,"irt_loglikelihood":-1094.1025801041321,"irt_users":6182,"is_experimental":false},"abc262_f":{"slope":-0.00038889512729873747,"intercept":8.859233987454251,"variance":0.14451880410875212,"difficulty":2334,"discrimination":0.004479398673070138,"irt_loglikelihood":-349.5215683858936,"irt_users":6182,"is_experimental":false},"abc262_g":{"slope":-0.00015680239206743732,"intercept":8.102114226301923,"variance":0.28741918365533436,"difficulty":3114,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.312472184294,"irt_users":6182,"is_experimental":false},"abc262_h":{"difficulty":2957,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.91641271163854,"irt_users":6182,"is_experimental":false},"abc263_a":{"slope":-0.0009507720279304783,"intercept":6.789986893440988,"variance":0.6429719761880965,"difficulty":-679,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.6000270580519,"irt_users":5640,"is_experimental":false},"abc263_b":{"slope":-0.0011967923467323116,"intercept":7.130792174328736,"variance":0.5576598871508045,"difficulty":-32,"discrimination":0.004479398673070138,"irt_loglikelihood":-1475.653665040837,"irt_users":5640,"is_experimental":false},"abc263_c":{"slope":-0.0009730833143571178,"intercept":7.449675289816974,"variance":0.6147408297063094,"difficulty":282,"discrimination":0.004479398673070138,"irt_loglikelihood":-3059.9389109600493,"irt_users":6532,"is_experimental":false},"abc263_d":{"slope":-0.0009683445840483761,"intercept":8.555282287108172,"variance":0.4233650655037893,"difficulty":1016,"discrimination":0.004479398673070138,"irt_loglikelihood":-2531.366843616679,"irt_users":6532,"is_experimental":false},"abc263_e":{"slope":-0.0008455585254018948,"intercept":8.679554264961782,"variance":0.4064960298077502,"difficulty":1659,"discrimination":0.004479398673070138,"irt_loglikelihood":-1338.8748847676409,"irt_users":6532,"is_experimental":false},"abc263_f":{"slope":-0.0007009020503445924,"intercept":8.749952219100106,"variance":0.29433858910245037,"difficulty":2066,"discrimination":0.004479398673070138,"irt_loglikelihood":-648.941259087801,"irt_users":6532,"is_experimental":false},"abc263_g":{"slope":-0.000338251055017624,"intercept":8.40966855813705,"variance":0.32054970589725273,"difficulty":2261,"discrimination":0.004479398673070138,"irt_loglikelihood":-443.3273768665913,"irt_users":6532,"is_experimental":false},"abc263_h":{"slope":-0.0002644437160640184,"intercept":8.923314636436467,"variance":0.18122252324358934,"difficulty":3041,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.0641131777729,"irt_users":6532,"is_experimental":false},"abc264_a":{"slope":-0.0008529929823128582,"intercept":5.849439533444596,"variance":0.832530501684366,"difficulty":-1180,"discrimination":0.004479398673070138,"irt_loglikelihood":-193.18423968523425,"irt_users":5678,"is_experimental":false},"abc264_b":{"slope":-0.0008859772699582696,"intercept":7.2788322927449,"variance":0.4236470029042139,"difficulty":-391,"discrimination":0.004479398673070138,"irt_loglikelihood":-1258.4273511961023,"irt_users":5678,"is_experimental":false},"abc264_c":{"slope":-0.001003291410460961,"intercept":8.251936924864003,"variance":0.29655825532179303,"difficulty":758,"discrimination":0.004479398673070138,"irt_loglikelihood":-2972.247724130897,"irt_users":6657,"is_experimental":false},"abc264_d":{"slope":-0.0011389317100789212,"intercept":7.797941014797202,"variance":0.5115840998316964,"difficulty":414,"discrimination":0.004479398673070138,"irt_loglikelihood":-3333.038443989604,"irt_users":6657,"is_experimental":false},"abc264_e":{"slope":-0.0008019699304001052,"intercept":8.487392824425118,"variance":0.2964203912839961,"difficulty":1229,"discrimination":0.004479398673070138,"irt_loglikelihood":-1711.9774262980952,"irt_users":6657,"is_experimental":false},"abc264_f":{"slope":-0.0006268731793332259,"intercept":8.68743386654121,"variance":0.2144294835487806,"difficulty":1878,"discrimination":0.004479398673070138,"irt_loglikelihood":-800.1571212351735,"irt_users":6657,"is_experimental":false},"abc264_g":{"slope":-0.00044543962177129304,"intercept":8.728566109145916,"variance":0.24371497445754728,"difficulty":2348,"discrimination":0.004479398673070138,"irt_loglikelihood":-289.01554046631526,"irt_users":6657,"is_experimental":false},"abc264_h":{"slope":-0.00034677702749555416,"intercept":8.515357259952063,"variance":0.20183089315297242,"difficulty":2660,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.33316128643423,"irt_users":6657,"is_experimental":false},"agc058_a":{"slope":-0.0007297871193640507,"intercept":8.808539160849358,"variance":0.5159559914312577,"difficulty":1134,"discrimination":0.004479398673070138,"irt_loglikelihood":-560.5234013095517,"irt_users":1252,"is_experimental":false},"agc058_b":{"slope":-0.000831097984797126,"intercept":9.692932996067588,"variance":0.6156495049668005,"difficulty":2053,"discrimination":0.004479398673070138,"irt_loglikelihood":-561.3625858574301,"irt_users":1252,"is_experimental":false},"agc058_c":{"slope":-0.000433675971548874,"intercept":9.734049505894548,"variance":0.20454131428632097,"difficulty":2991,"discrimination":0.004479398673070138,"irt_loglikelihood":-159.9845846491932,"irt_users":1252,"is_experimental":false},"agc058_d":{"slope":-0.0007323073733812829,"intercept":10.396692468205856,"variance":0.21217148797884505,"difficulty":3159,"discrimination":0.004479398673070138,"irt_loglikelihood":-119.67739269936789,"irt_users":1252,"is_experimental":false},"agc058_e":{"difficulty":3825,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.72069997942607,"irt_users":1252,"is_experimental":false},"agc058_f":{"is_experimental":false},"ahc013_a":{"difficulty":3520,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.896280481539505,"irt_users":736,"is_experimental":false},"ahc013_b":{"difficulty":3520,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.896280481539505,"irt_users":736,"is_experimental":false},"arc146_a":{"slope":-0.0006993286979174142,"intercept":7.907784941909356,"variance":0.4854927185278243,"difficulty":32,"discrimination":0.004479398673070138,"irt_loglikelihood":-758.947732384717,"irt_users":2730,"is_experimental":false},"arc146_b":{"slope":-0.0008373660772495922,"intercept":9.247743139439923,"variance":0.33379430891127837,"difficulty":1335,"discrimination":0.004479398673070138,"irt_loglikelihood":-777.2948709411978,"irt_users":2730,"is_experimental":false},"arc146_c":{"slope":-0.0005583544618216871,"intercept":9.141184550429754,"variance":0.25536621074201216,"difficulty":2428,"discrimination":0.004479398673070138,"irt_loglikelihood":-238.57035861903464,"irt_users":2730,"is_experimental":false},"arc146_d":{"slope":-0.0008216984535456989,"intercept":9.808463111309825,"variance":0.23612199628175995,"difficulty":2663,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.3841420611105,"irt_users":2730,"is_experimental":false},"arc146_e":{"slope":-0.0003362270479830198,"intercept":8.832963291188515,"variance":0.10173483189251871,"difficulty":3131,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.70208889140352,"irt_users":2730,"is_experimental":false},"arc146_f":{"is_experimental":false},"abc265_a":{"slope":-0.0009093573219024717,"intercept":6.42593800418219,"variance":0.6264669352310214,"difficulty":-841,"discrimination":0.004479398673070138,"irt_loglikelihood":-422.4348027143001,"irt_users":5580,"is_experimental":false},"abc265_b":{"slope":-0.0008197832845415997,"intercept":7.56846768902103,"variance":0.4100443840071406,"difficulty":13,"discrimination":0.004479398673070138,"irt_loglikelihood":-1676.8828378323822,"irt_users":5580,"is_experimental":false},"abc265_c":{"slope":-0.0008837959243897547,"intercept":7.510145232926124,"variance":0.33032331876085963,"difficulty":146,"discrimination":0.004479398673070138,"irt_loglikelihood":-2485.2116104805377,"irt_users":6365,"is_experimental":false},"abc265_d":{"slope":-0.000911783583394656,"intercept":8.206451343643094,"variance":0.4321975946522185,"difficulty":727,"discrimination":0.004479398673070138,"irt_loglikelihood":-2520.778751666645,"irt_users":6365,"is_experimental":false},"abc265_e":{"slope":-0.0005493117495334429,"intercept":8.248391934993764,"variance":0.3850819271436199,"difficulty":1531,"discrimination":0.004479398673070138,"irt_loglikelihood":-1469.0213328944985,"irt_users":6365,"is_experimental":false},"abc265_f":{"slope":-0.00007310252125190894,"intercept":7.792199993506649,"variance":0.2653478958586304,"difficulty":2290,"discrimination":0.004479398673070138,"irt_loglikelihood":-487.157319994226,"irt_users":6365,"is_experimental":false},"abc265_g":{"slope":-0.0004128678556431438,"intercept":8.683857735830257,"variance":0.27732029360406846,"difficulty":2436,"discrimination":0.004479398673070138,"irt_loglikelihood":-296.45158248613336,"irt_users":6365,"is_experimental":false},"abc265_h":{"difficulty":3319,"discrimination":0.004479398673070138,"irt_loglikelihood":-32.313006703481726,"irt_users":6365,"is_experimental":false},"abc266_a":{"slope":-0.0009103482216493205,"intercept":5.6776197872860505,"variance":0.933987112413526,"difficulty":-1129,"discrimination":0.004479398673070138,"irt_loglikelihood":-261.0271553455926,"irt_users":5834,"is_experimental":false},"abc266_b":{"slope":-0.001128104597600622,"intercept":6.918452990227174,"variance":0.8810409715311085,"difficulty":-176,"discrimination":0.004479398673070138,"irt_loglikelihood":-1783.3271256323878,"irt_users":5834,"is_experimental":false},"abc266_c":{"slope":-0.0009028044332975327,"intercept":7.95314305703953,"variance":0.4834826140275893,"difficulty":516,"discrimination":0.004479398673070138,"irt_loglikelihood":-4201.584545424176,"irt_users":6803,"is_experimental":false},"abc266_d":{"slope":-0.0009728435261058378,"intercept":8.40356770649936,"variance":0.2971374924948811,"difficulty":840,"discrimination":0.004479398673070138,"irt_loglikelihood":-2450.300673477085,"irt_users":6803,"is_experimental":false},"abc266_e":{"slope":-0.0008793120215449564,"intercept":7.94252449583861,"variance":0.4176096233367789,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-2436.2691885531854,"irt_users":6803,"is_experimental":false},"abc266_f":{"slope":-0.0006802367573342664,"intercept":8.431130039235407,"variance":0.3140945471207908,"difficulty":1525,"discrimination":0.004479398673070138,"irt_loglikelihood":-1347.4575413376404,"irt_users":6803,"is_experimental":false},"abc266_g":{"slope":-0.0004012780935980552,"intercept":8.149710855377695,"variance":0.41969125979406413,"difficulty":2045,"discrimination":0.004479398673070138,"irt_loglikelihood":-617.4706246127512,"irt_users":6803,"is_experimental":false},"abc266_h":{"slope":-0.00015140965456918385,"intercept":8.184152664129218,"variance":0.23547899204754055,"difficulty":2865,"discrimination":0.004479398673070138,"irt_loglikelihood":-137.7185161952183,"irt_users":6803,"is_experimental":false},"abc267_a":{"slope":-0.0006538303206388515,"intercept":6.077406998395694,"variance":0.6247717440456173,"difficulty":-984,"discrimination":0.004479398673070138,"irt_loglikelihood":-385.356550654761,"irt_users":6159,"is_experimental":false},"abc267_b":{"slope":-0.000848930696779346,"intercept":7.828657015046023,"variance":0.2600431187663219,"difficulty":61,"discrimination":0.004479398673070138,"irt_loglikelihood":-2212.796962587785,"irt_users":6159,"is_experimental":false},"abc267_c":{"slope":-0.0010349717996585987,"intercept":8.039281856733025,"variance":0.3897693095725755,"difficulty":524,"discrimination":0.004479398673070138,"irt_loglikelihood":-3027.134863636113,"irt_users":7205,"is_experimental":false},"abc267_d":{"slope":-0.0012096262613779062,"intercept":8.287434366606647,"variance":0.545695728656229,"difficulty":864,"discrimination":0.004479398673070138,"irt_loglikelihood":-2583.934867172532,"irt_users":7205,"is_experimental":false},"abc267_e":{"slope":-0.0006170668293520829,"intercept":8.209438705034806,"variance":0.3517045503099369,"difficulty":1313,"discrimination":0.004479398673070138,"irt_loglikelihood":-1830.811263995511,"irt_users":7205,"is_experimental":false},"abc267_f":{"slope":-0.0007283340748490862,"intercept":8.793759945227198,"variance":0.3499812693196144,"difficulty":1939,"discrimination":0.004479398673070138,"irt_loglikelihood":-843.7601769303049,"irt_users":7205,"is_experimental":false},"abc267_g":{"slope":-0.00017365794873674918,"intercept":7.895427242848817,"variance":0.263936537099845,"difficulty":2561,"discrimination":0.004479398673070138,"irt_loglikelihood":-230.6926478498205,"irt_users":7205,"is_experimental":false},"abc267_h":{"slope":-0.0007164585441859991,"intercept":8.946436936185147,"variance":0.33580706256850884,"difficulty":2422,"discrimination":0.004479398673070138,"irt_loglikelihood":-260.8383929941527,"irt_users":7205,"is_experimental":false},"arc147_a":{"slope":-0.000867825902903098,"intercept":7.925371186068728,"variance":0.5640481348601052,"difficulty":347,"discrimination":0.004479398673070138,"irt_loglikelihood":-956.2066887096317,"irt_users":2634,"is_experimental":false},"arc147_b":{"slope":-0.0007988898763676415,"intercept":9.046667516211018,"variance":0.3092325757596677,"difficulty":1167,"discrimination":0.004479398673070138,"irt_loglikelihood":-1192.2774029674772,"irt_users":2634,"is_experimental":false},"arc147_c":{"slope":-0.00043248756092689007,"intercept":8.543129943134995,"variance":0.2832095221126903,"difficulty":1704,"discrimination":0.004479398673070138,"irt_loglikelihood":-803.932045020617,"irt_users":2634,"is_experimental":false},"arc147_d":{"slope":-0.00026746972628904745,"intercept":7.911515544890347,"variance":0.3179050348546776,"difficulty":2145,"discrimination":0.004479398673070138,"irt_loglikelihood":-479.25264986244395,"irt_users":2634,"is_experimental":false},"arc147_e":{"slope":-0.00015778452792624905,"intercept":7.979565569087203,"variance":0.25960606277552484,"difficulty":2553,"discrimination":0.004479398673070138,"irt_loglikelihood":-258.84596708208556,"irt_users":2634,"is_experimental":false},"arc147_f":{"difficulty":4016,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.518993656106483,"irt_users":2634,"is_experimental":false},"abc268_a":{"slope":-0.0010067822463253257,"intercept":5.908839195924114,"variance":1.0385813092983178,"difficulty":-876,"discrimination":0.004479398673070138,"irt_loglikelihood":-396.78642490199184,"irt_users":5575,"is_experimental":false},"abc268_b":{"slope":-0.000856007761670535,"intercept":5.98410306108755,"variance":0.4377939278968786,"difficulty":-696,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.2939556707612,"irt_users":5575,"is_experimental":false},"abc268_c":{"slope":-0.0011452931639091071,"intercept":8.298487329286917,"variance":0.4467986025189738,"difficulty":676,"discrimination":0.004479398673070138,"irt_loglikelihood":-3130.4409878416914,"irt_users":6433,"is_experimental":false},"abc268_d":{"slope":-0.0006338768467985286,"intercept":8.815911877325274,"variance":0.2539667083443144,"difficulty":1309,"discrimination":0.004479398673070138,"irt_loglikelihood":-2156.198018135985,"irt_users":6433,"is_experimental":false},"abc268_e":{"slope":-0.000676851325769525,"intercept":8.937113930164191,"variance":0.25936971228158184,"difficulty":1927,"discrimination":0.004479398673070138,"irt_loglikelihood":-814.9587220124575,"irt_users":6433,"is_experimental":false},"abc268_f":{"slope":-0.0008192504305213941,"intercept":8.648487833084562,"variance":0.3986224874716004,"difficulty":1807,"discrimination":0.004479398673070138,"irt_loglikelihood":-932.3003758549473,"irt_users":6433,"is_experimental":false},"abc268_g":{"slope":-0.0005601769081609492,"intercept":8.42997594960459,"variance":0.321100778882168,"difficulty":2311,"discrimination":0.004479398673070138,"irt_loglikelihood":-306.7975970323518,"irt_users":6433,"is_experimental":false},"abc268_h":{"slope":-0.0004451996344138534,"intercept":8.087996236025747,"variance":0.55432240530893,"difficulty":2560,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.9655886579018,"irt_users":6433,"is_experimental":false},"arc148_a":{"slope":-0.000989605537219469,"intercept":8.52930897450815,"variance":0.622912264158728,"difficulty":656,"discrimination":0.004479398673070138,"irt_loglikelihood":-1153.587821354314,"irt_users":2511,"is_experimental":false},"arc148_b":{"slope":-0.0008612352718407251,"intercept":8.65397187178733,"variance":0.4188746338877836,"difficulty":975,"discrimination":0.004479398673070138,"irt_loglikelihood":-1281.149709527988,"irt_users":2511,"is_experimental":false},"arc148_c":{"slope":-0.0008112509451206686,"intercept":8.79474778537299,"variance":0.3298956719955884,"difficulty":1488,"discrimination":0.004479398673070138,"irt_loglikelihood":-925.0166221760187,"irt_users":2511,"is_experimental":false},"arc148_d":{"slope":-0.0003848527337574681,"intercept":8.638035225090864,"variance":0.2451108551860473,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-657.970916662017,"irt_users":2511,"is_experimental":false},"arc148_e":{"slope":-0.00038145351813916235,"intercept":8.6462579779363,"variance":0.3512407133705826,"difficulty":2785,"discrimination":0.004479398673070138,"irt_loglikelihood":-178.94977854324594,"irt_users":2511,"is_experimental":false},"arc148_f":{"slope":-0.0008342523976806541,"intercept":10.902482075008926,"variance":0.05373739587443572,"difficulty":3621,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.941043228320595,"irt_users":2511,"is_experimental":false},"abc269_a":{"slope":-0.0007082484012499573,"intercept":5.560991637817466,"variance":0.8729477420003722,"difficulty":-1162,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.9579106159045,"irt_users":5404,"is_experimental":false},"abc269_b":{"slope":-0.0009737911919262083,"intercept":7.2086042379392925,"variance":0.36310632792925046,"difficulty":-308,"discrimination":0.004479398673070138,"irt_loglikelihood":-1101.044927789331,"irt_users":5404,"is_experimental":false},"abc269_c":{"slope":-0.0013324024319726936,"intercept":8.011921471157565,"variance":0.371537867216051,"difficulty":384,"discrimination":0.004479398673070138,"irt_loglikelihood":-2473.264070509052,"irt_users":6313,"is_experimental":false},"abc269_d":{"slope":-0.0008842310546765153,"intercept":7.796699728662062,"variance":0.3265058467201406,"difficulty":612,"discrimination":0.004479398673070138,"irt_loglikelihood":-2454.0646406471215,"irt_users":6313,"is_experimental":false},"abc269_e":{"slope":-0.0007700475597442833,"intercept":8.272496877885207,"variance":0.3623039980458878,"difficulty":1030,"discrimination":0.004479398673070138,"irt_loglikelihood":-1880.3812197343575,"irt_users":6313,"is_experimental":false},"abc269_f":{"slope":-0.00047992084023032455,"intercept":8.429931406691164,"variance":0.15227324069988224,"difficulty":1601,"discrimination":0.004479398673070138,"irt_loglikelihood":-1154.8177282414722,"irt_users":6313,"is_experimental":false},"abc269_g":{"slope":-0.00033856120461954367,"intercept":8.404630890405262,"variance":0.3029855711339017,"difficulty":2440,"discrimination":0.004479398673070138,"irt_loglikelihood":-274.0528877806328,"irt_users":6313,"is_experimental":false},"abc269_h":{"difficulty":3178,"discrimination":0.004479398673070138,"irt_loglikelihood":-62.880724034081226,"irt_users":6313,"is_experimental":false},"abc270_a":{"slope":-0.0012675749849951664,"intercept":7.037093158801084,"variance":0.691242467702997,"difficulty":-473,"discrimination":0.004479398673070138,"irt_loglikelihood":-939.6514017099139,"irt_users":5664,"is_experimental":false},"abc270_b":{"slope":-0.0008577438185556508,"intercept":7.469221395135061,"variance":0.39023387372861257,"difficulty":-131,"discrimination":0.004479398673070138,"irt_loglikelihood":-1774.7910614748496,"irt_users":5664,"is_experimental":false},"abc270_c":{"slope":-0.0010142070773902726,"intercept":7.74060290231253,"variance":0.5109389362617748,"difficulty":625,"discrimination":0.004479398673070138,"irt_loglikelihood":-2969.135388706531,"irt_users":6569,"is_experimental":false},"abc270_d":{"slope":-0.0009159277322037435,"intercept":8.40579129520578,"variance":0.4441461916231412,"difficulty":1300,"discrimination":0.004479398673070138,"irt_loglikelihood":-1917.4487783245243,"irt_users":6569,"is_experimental":false},"abc270_e":{"slope":-0.0009547209405702705,"intercept":8.73772820920361,"variance":0.41414525264629737,"difficulty":1211,"discrimination":0.004479398673070138,"irt_loglikelihood":-1925.9862584388734,"irt_users":6569,"is_experimental":false},"abc270_f":{"slope":-0.0006278332104331975,"intercept":8.325808997694773,"variance":0.26624176494965124,"difficulty":1834,"discrimination":0.004479398673070138,"irt_loglikelihood":-879.5119842983063,"irt_users":6569,"is_experimental":false},"abc270_g":{"slope":-0.00018904373616123572,"intercept":8.108229018558278,"variance":0.3056970275279223,"difficulty":2220,"discrimination":0.004479398673070138,"irt_loglikelihood":-522.063263281628,"irt_users":6569,"is_experimental":false},"abc270_h":{"slope":-0.001098053578403469,"intercept":10.874177392272529,"variance":0.09473807379424509,"difficulty":3159,"discrimination":0.004479398673070138,"irt_loglikelihood":-44.01813138508483,"irt_users":6569,"is_experimental":false},"abc271_a":{"slope":-0.0009399994350767071,"intercept":6.814544056294602,"variance":0.5708621041525981,"difficulty":-662,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.7976883778931,"irt_users":5634,"is_experimental":false},"abc271_b":{"slope":-0.0010092433620899532,"intercept":6.6923482634808185,"variance":0.4364281206491323,"difficulty":-166,"discrimination":0.004479398673070138,"irt_loglikelihood":-1426.9360881793991,"irt_users":5634,"is_experimental":false},"abc271_c":{"slope":-0.0008969966160066947,"intercept":8.470017471031738,"variance":0.4057579792821033,"difficulty":842,"discrimination":0.004479398673070138,"irt_loglikelihood":-3199.807400960951,"irt_users":6540,"is_experimental":false},"abc271_d":{"slope":-0.0009355894580674922,"intercept":8.434571477817947,"variance":0.40771842768865535,"difficulty":886,"discrimination":0.004479398673070138,"irt_loglikelihood":-2520.744410665193,"irt_users":6540,"is_experimental":false},"abc271_e":{"slope":-0.0006844520032508202,"intercept":7.9452317830281,"variance":0.4616586487467301,"difficulty":1402,"discrimination":0.004479398673070138,"irt_loglikelihood":-1669.6636222011794,"irt_users":6540,"is_experimental":false},"abc271_f":{"slope":-0.0007085804633713148,"intercept":8.40145317479293,"variance":0.3919710350655405,"difficulty":1669,"discrimination":0.004479398673070138,"irt_loglikelihood":-1142.5260452505704,"irt_users":6540,"is_experimental":false},"abc271_g":{"slope":-0.0005282167371200757,"intercept":8.669919995902625,"variance":0.21204797467167907,"difficulty":2323,"discrimination":0.004479398673070138,"irt_loglikelihood":-319.3231162477121,"irt_users":6540,"is_experimental":false},"abc271_h":{"slope":-0.0005935283167958409,"intercept":9.467167437913723,"variance":0.17450342978503883,"difficulty":2908,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.5558291661425,"irt_users":6540,"is_experimental":false},"ahc014_a":{"difficulty":3540,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.142684008215672,"irt_users":645,"is_experimental":false},"ahc014_b":{"difficulty":3540,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.142684008215672,"irt_users":645,"is_experimental":false},"arc149_a":{"slope":-0.0010073538488923604,"intercept":8.338694075909974,"variance":0.5646583404023799,"difficulty":878,"discrimination":0.004479398673070138,"irt_loglikelihood":-1208.7964391334713,"irt_users":2346,"is_experimental":false},"arc149_b":{"slope":-0.0008420919378352894,"intercept":8.22342679896343,"variance":0.49753912296990116,"difficulty":983,"discrimination":0.004479398673070138,"irt_loglikelihood":-1015.1170763936942,"irt_users":2346,"is_experimental":false},"arc149_c":{"slope":-0.00046792060533681256,"intercept":8.768355854483554,"variance":0.174749330037971,"difficulty":1415,"discrimination":0.004479398673070138,"irt_loglikelihood":-985.43022960784,"irt_users":2346,"is_experimental":false},"arc149_d":{"slope":-0.00010628350660964578,"intercept":8.469865439359788,"variance":0.10758536551686829,"difficulty":2991,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.36437914431536,"irt_users":2346,"is_experimental":false},"arc149_e":{"slope":-0.0006117846862082983,"intercept":9.939845944905471,"variance":0.06222050115965968,"difficulty":3188,"discrimination":0.004479398673070138,"irt_loglikelihood":-61.08067151971956,"irt_users":2346,"is_experimental":false},"arc149_f":{"slope":-0.0007844515787027416,"intercept":11.128459264918,"variance":0.02385990471231756,"difficulty":3583,"discrimination":0.004479398673070138,"irt_loglikelihood":-11.04705801348693,"irt_users":2346,"is_experimental":false},"abc272_a":{"slope":-0.0008100126865680349,"intercept":5.436254359278205,"variance":1.0897109526242437,"difficulty":-1186,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.177017681497,"irt_users":5393,"is_experimental":false},"abc272_b":{"slope":-0.0011031045968239023,"intercept":7.402858145340003,"variance":0.33230835011233023,"difficulty":-24,"discrimination":0.004479398673070138,"irt_loglikelihood":-1460.8066420662474,"irt_users":5393,"is_experimental":false},"abc272_c":{"slope":-0.0011128029751275997,"intercept":7.37208580037196,"variance":0.5214232845363715,"difficulty":51,"discrimination":0.004479398673070138,"irt_loglikelihood":-2628.393832842317,"irt_users":6291,"is_experimental":false},"abc272_d":{"slope":-0.0009383084965310334,"intercept":8.48457034223461,"variance":0.284390526904274,"difficulty":804,"discrimination":0.004479398673070138,"irt_loglikelihood":-2523.2751386059795,"irt_users":6291,"is_experimental":false},"abc272_e":{"slope":-0.0007392171382746766,"intercept":8.726406565410235,"variance":0.31281218260279264,"difficulty":1434,"discrimination":0.004479398673070138,"irt_loglikelihood":-1448.334452233657,"irt_users":6291,"is_experimental":false},"abc272_f":{"slope":-0.0008536956717119519,"intercept":9.283817149758784,"variance":0.2558916249300587,"difficulty":2238,"discrimination":0.004479398673070138,"irt_loglikelihood":-451.7276676471508,"irt_users":6291,"is_experimental":false},"abc272_g":{"slope":-0.0005266375545772079,"intercept":8.830085634395488,"variance":0.416452343932225,"difficulty":2187,"discrimination":0.004479398673070138,"irt_loglikelihood":-461.9704143273373,"irt_users":6291,"is_experimental":false},"abc272_h":{"difficulty":3740,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.51062101956014,"irt_users":6291,"is_experimental":false},"arc150_a":{"slope":-0.0009222491422648045,"intercept":8.853873907124512,"variance":0.7282850030352143,"difficulty":952,"discrimination":0.004479398673070138,"irt_loglikelihood":-1396.4434131827659,"irt_users":2453,"is_experimental":false},"arc150_b":{"slope":-0.0007479205618729493,"intercept":8.999400016969222,"variance":0.39430670625226416,"difficulty":1466,"discrimination":0.004479398673070138,"irt_loglikelihood":-1055.5729818524053,"irt_users":2453,"is_experimental":false},"arc150_c":{"slope":-0.0006149377995081825,"intercept":8.554463260329094,"variance":0.3748202171734402,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-783.330170161737,"irt_users":2453,"is_experimental":false},"arc150_d":{"slope":-0.00024359323965473772,"intercept":8.107069661544532,"variance":0.31911705483885383,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-391.2476102784842,"irt_users":2453,"is_experimental":false},"arc150_e":{"slope":-0.00027795506055354024,"intercept":8.864058319987459,"variance":0.14585258841526236,"difficulty":3466,"discrimination":0.004479398673070138,"irt_loglikelihood":-31.363443881492575,"irt_users":2453,"is_experimental":false},"arc150_f":{"difficulty":3432,"discrimination":0.004479398673070138,"irt_loglikelihood":-28.717667944644248,"irt_users":2453,"is_experimental":false},"abc273_a":{"slope":-0.0009492827559232619,"intercept":6.014662555553923,"variance":0.7970563741380241,"difficulty":-1038,"discrimination":0.004479398673070138,"irt_loglikelihood":-248.32375596502607,"irt_users":5470,"is_experimental":false},"abc273_b":{"slope":-0.0009737236426441074,"intercept":7.5318230665129855,"variance":0.4520005644317056,"difficulty":77,"discrimination":0.004479398673070138,"irt_loglikelihood":-2200.2150348758396,"irt_users":5470,"is_experimental":false},"abc273_c":{"slope":-0.0010344393194180546,"intercept":7.875580870327027,"variance":0.32816283122880463,"difficulty":369,"discrimination":0.004479398673070138,"irt_loglikelihood":-2643.508633182343,"irt_users":6349,"is_experimental":false},"abc273_d":{"slope":-0.0006558176053898636,"intercept":8.486168936289603,"variance":0.23557558208714793,"difficulty":1119,"discrimination":0.004479398673070138,"irt_loglikelihood":-1993.3118064710254,"irt_users":6349,"is_experimental":false},"abc273_e":{"slope":-0.0005104998305469552,"intercept":8.146399215830622,"variance":0.33479901499347664,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-1218.7138035410724,"irt_users":6349,"is_experimental":false},"abc273_f":{"slope":-0.0004130968292407557,"intercept":8.40316456355055,"variance":0.20286884954401452,"difficulty":2277,"discrimination":0.004479398673070138,"irt_loglikelihood":-440.7377169996819,"irt_users":6349,"is_experimental":false},"abc273_g":{"slope":-0.00035318768452505993,"intercept":8.409299233035828,"variance":0.3282135268782724,"difficulty":2521,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.6210945010906,"irt_users":6349,"is_experimental":false},"abc273_h":{"difficulty":3598,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.558269871303654,"irt_users":6349,"is_experimental":false},"arc151_a":{"slope":-0.0008841805817630954,"intercept":8.253985238251916,"variance":0.45250308760672014,"difficulty":355,"discrimination":0.004479398673070138,"irt_loglikelihood":-969.2751533679664,"irt_users":2418,"is_experimental":false},"arc151_b":{"slope":-0.0010159355126625963,"intercept":8.896991447664577,"variance":0.43198040884754385,"difficulty":1333,"discrimination":0.004479398673070138,"irt_loglikelihood":-1011.3269605040977,"irt_users":2418,"is_experimental":false},"arc151_c":{"slope":-0.000605963432948086,"intercept":9.013861150405523,"variance":0.30102843301620213,"difficulty":1940,"discrimination":0.004479398673070138,"irt_loglikelihood":-648.9433841520431,"irt_users":2418,"is_experimental":false},"arc151_d":{"slope":-0.0005901331495033144,"intercept":8.77721335441232,"variance":0.27405658447896664,"difficulty":2282,"discrimination":0.004479398673070138,"irt_loglikelihood":-407.4868475275846,"irt_users":2418,"is_experimental":false},"arc151_e":{"slope":-0.00028226484977358397,"intercept":8.744449893724086,"variance":0.17785179464524958,"difficulty":2713,"discrimination":0.004479398673070138,"irt_loglikelihood":-206.4673290612141,"irt_users":2418,"is_experimental":false},"arc151_f":{"difficulty":3744,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.908187217853941,"irt_users":2418,"is_experimental":false},"abc274_a":{"slope":-0.0007045964704063635,"intercept":6.488754804719804,"variance":0.7896976096391096,"difficulty":-738,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.96242206913337,"irt_users":5470,"is_experimental":false},"abc274_b":{"slope":-0.0009793738251112256,"intercept":6.509223935866443,"variance":0.36674414871030847,"difficulty":-449,"discrimination":0.004479398673070138,"irt_loglikelihood":-715.5619411923373,"irt_users":5470,"is_experimental":false},"abc274_c":{"slope":-0.0010268076945370282,"intercept":7.747540212481645,"variance":0.3666391938772774,"difficulty":304,"discrimination":0.004479398673070138,"irt_loglikelihood":-2876.958815068657,"irt_users":6450,"is_experimental":false},"abc274_d":{"slope":-0.0009554773769241226,"intercept":8.607869919032128,"variance":0.27678279014157936,"difficulty":916,"discrimination":0.004479398673070138,"irt_loglikelihood":-2320.314003716778,"irt_users":6450,"is_experimental":false},"abc274_e":{"slope":-0.0007069459128471126,"intercept":8.720841276229573,"variance":0.22251472850228898,"difficulty":1520,"discrimination":0.004479398673070138,"irt_loglikelihood":-1234.249433617792,"irt_users":6450,"is_experimental":false},"abc274_f":{"slope":-0.0005212706690227718,"intercept":8.681218730692697,"variance":0.22831412817267716,"difficulty":2212,"discrimination":0.004479398673070138,"irt_loglikelihood":-474.49451553818795,"irt_users":6450,"is_experimental":false},"abc274_g":{"slope":-0.00034918566098715527,"intercept":7.998257435792892,"variance":0.3792746629144371,"difficulty":2340,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.25789622209,"irt_users":6450,"is_experimental":false},"abc274_h":{"slope":-0.00107040003222271,"intercept":10.787273680452838,"variance":0.6048353276028463,"difficulty":3191,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.48253945244292,"irt_users":6450,"is_experimental":false},"abc275_a":{"slope":-0.0009329546770979363,"intercept":6.094283948005921,"variance":0.7705616483770897,"difficulty":-929,"discrimination":0.004479398673070138,"irt_loglikelihood":-361.1675967275011,"irt_users":5194,"is_experimental":false},"abc275_b":{"slope":-0.0008732795398072934,"intercept":6.58822353432243,"variance":1.0931092915092535,"difficulty":-1,"discrimination":0.004479398673070138,"irt_loglikelihood":-1971.915645717929,"irt_users":5194,"is_experimental":false},"abc275_c":{"slope":-0.0007733119994956813,"intercept":8.244076376750368,"variance":0.2661251047962647,"difficulty":760,"discrimination":0.004479398673070138,"irt_loglikelihood":-2928.6099875056043,"irt_users":6002,"is_experimental":false},"abc275_d":{"slope":-0.000980727075223678,"intercept":7.796129836015,"variance":0.7400952099711599,"difficulty":606,"discrimination":0.004479398673070138,"irt_loglikelihood":-2671.4804130838434,"irt_users":6002,"is_experimental":false},"abc275_e":{"slope":-0.001131517876289721,"intercept":8.757363738193527,"variance":0.3259999203610315,"difficulty":1264,"discrimination":0.004479398673070138,"irt_loglikelihood":-1283.7861699904518,"irt_users":6002,"is_experimental":false},"abc275_f":{"slope":-0.0008647049878337012,"intercept":8.53651413484799,"variance":0.3302403744423262,"difficulty":1608,"discrimination":0.004479398673070138,"irt_loglikelihood":-880.5481859032487,"irt_users":6002,"is_experimental":false},"abc275_g":{"slope":-0.00024332431717697902,"intercept":8.417571981636604,"variance":0.1444598364676012,"difficulty":2522,"discrimination":0.004479398673070138,"irt_loglikelihood":-167.60940087873,"irt_users":6002,"is_experimental":false},"abc275_h":{"slope":-0.0002744527368304126,"intercept":8.634488900386934,"variance":0.16551897341842925,"difficulty":3210,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.056525311182817,"irt_users":6002,"is_experimental":false},"ahc015_a":{"difficulty":3674,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.901146951164589,"irt_users":645,"is_experimental":false},"abc276_a":{"slope":-0.0009271922898757814,"intercept":6.084731598084722,"variance":0.7681267132520023,"difficulty":-974,"discrimination":0.004479398673070138,"irt_loglikelihood":-353.5994423596253,"irt_users":5711,"is_experimental":false},"abc276_b":{"slope":-0.0010892234491085508,"intercept":7.008497214940038,"variance":0.4739029440874473,"difficulty":-11,"discrimination":0.004479398673070138,"irt_loglikelihood":-1679.8285969425524,"irt_users":5711,"is_experimental":false},"abc276_c":{"slope":-0.0009467671242129085,"intercept":7.5370501837855715,"variance":0.91998851254795,"difficulty":389,"discrimination":0.004479398673070138,"irt_loglikelihood":-3394.137789465301,"irt_users":6648,"is_experimental":false},"abc276_d":{"slope":-0.0009996396072180038,"intercept":7.9231915597061535,"variance":0.5238753709048506,"difficulty":645,"discrimination":0.004479398673070138,"irt_loglikelihood":-2756.699781998403,"irt_users":6648,"is_experimental":false},"abc276_e":{"slope":-0.0006973398223047325,"intercept":8.287815499559702,"variance":0.2561412037288865,"difficulty":1058,"discrimination":0.004479398673070138,"irt_loglikelihood":-2212.1478605653806,"irt_users":6648,"is_experimental":false},"abc276_f":{"slope":-0.0006372105172689204,"intercept":8.482969993444474,"variance":0.23969571474263737,"difficulty":1562,"discrimination":0.004479398673070138,"irt_loglikelihood":-1145.194072153634,"irt_users":6648,"is_experimental":false},"abc276_g":{"slope":-0.0004860645946414671,"intercept":8.359164309758576,"variance":0.38368770481774267,"difficulty":2278,"discrimination":0.004479398673070138,"irt_loglikelihood":-334.45967031605335,"irt_users":6648,"is_experimental":false},"abc276_h":{"difficulty":3087,"discrimination":0.004479398673070138,"irt_loglikelihood":-51.316629720954616,"irt_users":6648,"is_experimental":false},"abc277_a":{"slope":-0.0008558006580538912,"intercept":5.900701485128893,"variance":0.7885547090942101,"difficulty":-1045,"discrimination":0.004479398673070138,"irt_loglikelihood":-225.7709169800369,"irt_users":5674,"is_experimental":false},"abc277_b":{"slope":-0.0008245597137431352,"intercept":6.997680381690477,"variance":0.36616092264473765,"difficulty":-362,"discrimination":0.004479398673070138,"irt_loglikelihood":-1037.6260835074875,"irt_users":5674,"is_experimental":false},"abc277_c":{"slope":-0.0010462584374096907,"intercept":7.880321434840265,"variance":0.501486111438063,"difficulty":540,"discrimination":0.004479398673070138,"irt_loglikelihood":-2841.0058513179492,"irt_users":6645,"is_experimental":false},"abc277_d":{"slope":-0.0007810020466535391,"intercept":8.387538628747011,"variance":0.3134929883402285,"difficulty":873,"discrimination":0.004479398673070138,"irt_loglikelihood":-2703.906137207766,"irt_users":6645,"is_experimental":false},"abc277_e":{"slope":-0.0008023023841247258,"intercept":8.336707385276446,"variance":0.3127333011926062,"difficulty":1183,"discrimination":0.004479398673070138,"irt_loglikelihood":-1801.936376363056,"irt_users":6645,"is_experimental":false},"abc277_f":{"slope":-0.00040261890406290834,"intercept":8.731544385533855,"variance":0.26550622256424067,"difficulty":2400,"discrimination":0.004479398673070138,"irt_loglikelihood":-341.3315970137899,"irt_users":6645,"is_experimental":false},"abc277_g":{"slope":-0.0005852567618454499,"intercept":8.847478229361535,"variance":0.3133009682489127,"difficulty":2491,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.542244461389,"irt_users":6645,"is_experimental":false},"abc277_h":{"slope":-0.00037735369432732397,"intercept":8.476968120051609,"variance":0.4477209447644692,"difficulty":2917,"discrimination":0.004479398673070138,"irt_loglikelihood":-106.72655818921884,"irt_users":6645,"is_experimental":false},"abc278_a":{"slope":-0.0008677425117897354,"intercept":6.493172496535309,"variance":0.6816479891918688,"difficulty":-872,"discrimination":0.004479398673070138,"irt_loglikelihood":-454.96749994628357,"irt_users":5679,"is_experimental":false},"abc278_b":{"slope":-0.0008402065324596513,"intercept":7.5054794152837205,"variance":0.3397002945018116,"difficulty":-72,"discrimination":0.004479398673070138,"irt_loglikelihood":-2025.5221111565936,"irt_users":5679,"is_experimental":false},"abc278_c":{"slope":-0.0009083299006224977,"intercept":7.336062720103777,"variance":0.5043377783052142,"difficulty":320,"discrimination":0.004479398673070138,"irt_loglikelihood":-2901.93640777371,"irt_users":6578,"is_experimental":false},"abc278_d":{"slope":-0.0007774637781920334,"intercept":7.752213202847369,"variance":0.35823164017664244,"difficulty":559,"discrimination":0.004479398673070138,"irt_loglikelihood":-2734.9184243813083,"irt_users":6578,"is_experimental":false},"abc278_e":{"slope":-0.0005569659107321773,"intercept":8.013148720377503,"variance":0.24502787447418364,"difficulty":996,"discrimination":0.004479398673070138,"irt_loglikelihood":-2210.4455355568093,"irt_users":6578,"is_experimental":false},"abc278_f":{"slope":-0.0006297470288508147,"intercept":8.094667364323763,"variance":0.3108760055052144,"difficulty":1452,"discrimination":0.004479398673070138,"irt_loglikelihood":-1351.844583978453,"irt_users":6578,"is_experimental":false},"abc278_g":{"slope":-0.00023734330962211838,"intercept":8.54933113351943,"variance":0.15635345505007653,"difficulty":2533,"discrimination":0.004479398673070138,"irt_loglikelihood":-171.94603531213153,"irt_users":6578,"is_experimental":false},"abc278_h":{"difficulty":3768,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.891053047446854,"irt_users":6578,"is_experimental":false},"arc152_a":{"slope":-0.0008278212923214078,"intercept":8.065793378526179,"variance":0.5317247719367246,"difficulty":269,"discrimination":0.004479398673070138,"irt_loglikelihood":-905.6975943670152,"irt_users":2291,"is_experimental":false},"arc152_b":{"slope":-0.0006352743053682702,"intercept":8.789478320220267,"variance":0.35295602305031654,"difficulty":1628,"discrimination":0.004479398673070138,"irt_loglikelihood":-1279.8053543136007,"irt_users":2291,"is_experimental":false},"arc152_c":{"slope":-0.0004961940071799265,"intercept":8.78746403622695,"variance":0.40508954654202994,"difficulty":2081,"discrimination":0.004479398673070138,"irt_loglikelihood":-610.1581497652362,"irt_users":2291,"is_experimental":false},"arc152_d":{"slope":-0.00046119557246388404,"intercept":9.035476303101618,"variance":0.19762400323917337,"difficulty":2381,"discrimination":0.004479398673070138,"irt_loglikelihood":-327.63600449582395,"irt_users":2291,"is_experimental":false},"arc152_e":{"slope":-0.00020355620143704383,"intercept":8.036244268807481,"variance":0.2603173011620936,"difficulty":2990,"discrimination":0.004479398673070138,"irt_loglikelihood":-83.80674750819851,"irt_users":2291,"is_experimental":false},"arc152_f":{"slope":-0.00021589872996896905,"intercept":8.943905908597438,"variance":0.06948310449426957,"difficulty":3664,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.68487470115843,"irt_users":2291,"is_experimental":false},"ahc016_a":{"difficulty":3670,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.889496864419056,"irt_users":905,"is_experimental":false},"ahc016_b":{"difficulty":3670,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.889496864419056,"irt_users":905,"is_experimental":false},"abc279_a":{"slope":-0.0008500581703145242,"intercept":5.754673306539764,"variance":0.8739719944701175,"difficulty":-1224,"discrimination":0.004479398673070138,"irt_loglikelihood":-150.91125184537694,"irt_users":5252,"is_experimental":false},"abc279_b":{"slope":-0.0008476112994685534,"intercept":6.282136078128859,"variance":0.6816150007916831,"difficulty":-533,"discrimination":0.004479398673070138,"irt_loglikelihood":-767.430932423493,"irt_users":5252,"is_experimental":false},"abc279_c":{"slope":-0.0009585423029210536,"intercept":7.5094371183762565,"variance":0.5018789282664803,"difficulty":246,"discrimination":0.004479398673070138,"irt_loglikelihood":-3006.673337812,"irt_users":6146,"is_experimental":false},"abc279_d":{"slope":-0.00076156096682427,"intercept":8.206378459756948,"variance":0.3449751360996197,"difficulty":766,"discrimination":0.004479398673070138,"irt_loglikelihood":-2778.1034326702097,"irt_users":6146,"is_experimental":false},"abc279_e":{"slope":-0.0007158410266131718,"intercept":8.490353730439146,"variance":0.30097912888176176,"difficulty":1390,"discrimination":0.004479398673070138,"irt_loglikelihood":-1420.7047082706292,"irt_users":6146,"is_experimental":false},"abc279_f":{"slope":-0.0004554873193636963,"intercept":8.351174091960367,"variance":0.24267526439796241,"difficulty":1777,"discrimination":0.004479398673070138,"irt_loglikelihood":-859.4221540429138,"irt_users":6146,"is_experimental":false},"abc279_g":{"slope":-0.0004461703472847067,"intercept":8.438728545660373,"variance":0.21961015381596105,"difficulty":2431,"discrimination":0.004479398673070138,"irt_loglikelihood":-207.800098873233,"irt_users":6146,"is_experimental":false},"abc279_h":{"slope":-0.0007228034764251132,"intercept":9.440662542266065,"variance":0.3013595736258271,"difficulty":3279,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.588028808359915,"irt_users":6146,"is_experimental":false},"abc280_a":{"slope":-0.0009066495466642171,"intercept":6.02234895805819,"variance":0.7281296983424709,"difficulty":-1011,"discrimination":0.004479398673070138,"irt_loglikelihood":-344.902749104951,"irt_users":5737,"is_experimental":false},"abc280_b":{"slope":-0.000895440880201085,"intercept":6.213185658587615,"variance":0.3717885738233648,"difficulty":-769,"discrimination":0.004479398673070138,"irt_loglikelihood":-566.4417158291241,"irt_users":5737,"is_experimental":false},"abc280_c":{"slope":-0.0007289088074954178,"intercept":6.500830985015732,"variance":0.7231385899412481,"difficulty":-333,"discrimination":0.004479398673070138,"irt_loglikelihood":-2135.5820700954982,"irt_users":6721,"is_experimental":false},"abc280_d":{"slope":-0.0010380122572131547,"intercept":8.678615168714616,"variance":0.447143285679083,"difficulty":880,"discrimination":0.004479398673070138,"irt_loglikelihood":-2625.517813807047,"irt_users":6721,"is_experimental":false},"abc280_e":{"slope":-0.0011021752605938114,"intercept":8.561690177657319,"variance":0.6237011219526853,"difficulty":1251,"discrimination":0.004479398673070138,"irt_loglikelihood":-1604.0189548942874,"irt_users":6721,"is_experimental":false},"abc280_f":{"slope":-0.0007795962899933823,"intercept":8.956706095958108,"variance":0.28389562906981375,"difficulty":1819,"discrimination":0.004479398673070138,"irt_loglikelihood":-813.8866728273963,"irt_users":6721,"is_experimental":false},"abc280_g":{"slope":-0.0002345122462113622,"intercept":8.519813265696852,"variance":0.1585482901433173,"difficulty":2842,"discrimination":0.004479398673070138,"irt_loglikelihood":-102.70936694374663,"irt_users":6721,"is_experimental":false},"abc280_h":{"slope":-0.0006927966632047073,"intercept":9.837315143104446,"variance":0.20589756694504138,"difficulty":3307,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.60057846611699,"irt_users":6721,"is_experimental":false},"agc059_a":{"slope":-0.0007076616980889417,"intercept":9.436550151613195,"variance":0.5413158054093036,"difficulty":1970,"discrimination":0.004479398673070138,"irt_loglikelihood":-624.4664749336405,"irt_users":1169,"is_experimental":false},"agc059_b":{"slope":-0.0007422663587134407,"intercept":9.950035020438238,"variance":0.3197615224899854,"difficulty":1887,"discrimination":0.004479398673070138,"irt_loglikelihood":-565.3535965457127,"irt_users":1169,"is_experimental":false},"agc059_c":{"slope":-0.00003138079327025892,"intercept":8.368017695574446,"variance":0.26859776398047885,"difficulty":2905,"discrimination":0.004479398673070138,"irt_loglikelihood":-179.4634880818917,"irt_users":1169,"is_experimental":false},"agc059_d":{"slope":-0.00021922826007647354,"intercept":8.880044014370721,"variance":0.16385548356446822,"difficulty":3319,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.01188043811771,"irt_users":1169,"is_experimental":false},"agc059_e":{"difficulty":3842,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.48798388112849,"irt_users":1169,"is_experimental":false},"agc059_f":{"is_experimental":false},"abc281_a":{"slope":-0.0008248998834236895,"intercept":5.493869817426724,"variance":1.092418269499015,"difficulty":-1303,"discrimination":0.004479398673070138,"irt_loglikelihood":-187.37440854677087,"irt_users":6056,"is_experimental":false},"abc281_b":{"slope":-0.0008641886151982401,"intercept":7.199862029669505,"variance":0.4613574657188339,"difficulty":-322,"discrimination":0.004479398673070138,"irt_loglikelihood":-1478.1953676877638,"irt_users":6056,"is_experimental":false},"abc281_c":{"slope":-0.0010178222638741298,"intercept":7.106774559467304,"variance":0.4122098150981764,"difficulty":-45,"discrimination":0.004479398673070138,"irt_loglikelihood":-2748.8823607515565,"irt_users":7020,"is_experimental":false},"abc281_d":{"slope":-0.0011935379874483552,"intercept":8.779415420578951,"variance":0.4060476484087419,"difficulty":1031,"discrimination":0.004479398673070138,"irt_loglikelihood":-2124.173005360592,"irt_users":7020,"is_experimental":false},"abc281_e":{"slope":-0.000649697356652475,"intercept":8.507273519337607,"variance":0.329154974239213,"difficulty":1334,"discrimination":0.004479398673070138,"irt_loglikelihood":-1683.4559324614863,"irt_users":7020,"is_experimental":false},"abc281_f":{"slope":-0.0006551764395245756,"intercept":8.221034255142326,"variance":0.43220090241229425,"difficulty":1714,"discrimination":0.004479398673070138,"irt_loglikelihood":-1000.88150065701,"irt_users":7020,"is_experimental":false},"abc281_g":{"slope":-0.0007279471211690792,"intercept":9.069488226904628,"variance":0.2357523125152085,"difficulty":2304,"discrimination":0.004479398673070138,"irt_loglikelihood":-278.25960346402826,"irt_users":7020,"is_experimental":false},"abc281_h":{"slope":-0.001084450467794195,"intercept":10.922742195990006,"variance":0.12590016381489869,"difficulty":3180,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.894506316168858,"irt_users":7020,"is_experimental":false},"abc282_a":{"slope":-0.0008693396700669792,"intercept":5.837979608265813,"variance":0.8131341216240543,"difficulty":-1239,"discrimination":0.004479398673070138,"irt_loglikelihood":-170.03542445379998,"irt_users":5665,"is_experimental":false},"abc282_b":{"slope":-0.0010430886746430135,"intercept":6.960636770978895,"variance":0.3368892220672215,"difficulty":-284,"discrimination":0.004479398673070138,"irt_loglikelihood":-1204.5381344173927,"irt_users":5665,"is_experimental":false},"abc282_c":{"slope":-0.0008813907940136814,"intercept":6.80648988036956,"variance":0.4192376673582797,"difficulty":-139,"discrimination":0.004479398673070138,"irt_loglikelihood":-2315.94214396423,"irt_users":6556,"is_experimental":false},"abc282_d":{"slope":-0.0010369474217637477,"intercept":9.0887153286634,"variance":0.29991585515944513,"difficulty":1154,"discrimination":0.004479398673070138,"irt_loglikelihood":-1880.3594963254875,"irt_users":6556,"is_experimental":false},"abc282_e":{"slope":-0.0007460754701500775,"intercept":8.293027119102844,"variance":0.4160525431616677,"difficulty":1604,"discrimination":0.004479398673070138,"irt_loglikelihood":-1295.3456727317123,"irt_users":6556,"is_experimental":false},"abc282_f":{"slope":-0.0005788124680267887,"intercept":8.410764067281981,"variance":0.37056885216965535,"difficulty":1734,"discrimination":0.004479398673070138,"irt_loglikelihood":-1019.3687757348104,"irt_users":6556,"is_experimental":false},"abc282_g":{"slope":-0.0005726294013924553,"intercept":8.733581206094437,"variance":0.21181666332577045,"difficulty":2412,"discrimination":0.004479398673070138,"irt_loglikelihood":-266.73959168785564,"irt_users":6556,"is_experimental":false},"abc282_h":{"slope":-0.00047298320452210765,"intercept":8.56411607078842,"variance":0.29435337722776705,"difficulty":2621,"discrimination":0.004479398673070138,"irt_loglikelihood":-205.87028653284284,"irt_users":6556,"is_experimental":false},"abc283_a":{"slope":-0.0008752199141289257,"intercept":5.735947719500497,"variance":1.2686324782405678,"difficulty":-1172,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.80505837412372,"irt_users":5438,"is_experimental":false},"abc283_b":{"slope":-0.0009048892199661914,"intercept":6.225736748621876,"variance":0.4035968016468806,"difficulty":-578,"discrimination":0.004479398673070138,"irt_loglikelihood":-751.741695051153,"irt_users":5438,"is_experimental":false},"abc283_c":{"slope":-0.00090802016594285,"intercept":6.772071372483585,"variance":0.4896979923966817,"difficulty":-207,"discrimination":0.004479398673070138,"irt_loglikelihood":-2361.676984911236,"irt_users":6581,"is_experimental":false},"abc283_d":{"slope":-0.0006861788893200955,"intercept":7.881610409403522,"variance":0.4228037851124065,"difficulty":453,"discrimination":0.004479398673070138,"irt_loglikelihood":-3507.940417568358,"irt_users":6581,"is_experimental":false},"abc283_e":{"slope":-0.0005351680570459599,"intercept":8.634017658043211,"variance":0.25482337638830493,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-1023.8477061595703,"irt_users":6581,"is_experimental":false},"abc283_f":{"slope":-0.0005608860263894154,"intercept":8.41181043974306,"variance":0.33980105623404194,"difficulty":1771,"discrimination":0.004479398673070138,"irt_loglikelihood":-1372.883042924043,"irt_users":6581,"is_experimental":false},"abc283_g":{"slope":-0.0005190519633143279,"intercept":8.270533365486214,"variance":0.4866066745009956,"difficulty":2173,"discrimination":0.004479398673070138,"irt_loglikelihood":-473.8196936716578,"irt_users":6581,"is_experimental":false},"abc283_h":{"slope":-0.00015702476549075097,"intercept":7.312997866626633,"variance":0.47672408217792406,"difficulty":2682,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.41580416834432,"irt_users":6581,"is_experimental":false},"agc060_a":{"slope":-0.0011926144165333534,"intercept":9.386547199616864,"variance":0.4782333821067169,"difficulty":1345,"discrimination":0.004479398673070138,"irt_loglikelihood":-323.71961990144035,"irt_users":947,"is_experimental":false},"agc060_b":{"slope":-0.0006395021261069764,"intercept":9.506806415791983,"variance":0.3536216275803396,"difficulty":1996,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.4816335497045,"irt_users":947,"is_experimental":false},"agc060_c":{"slope":-0.0002596127682107265,"intercept":8.940060737489048,"variance":0.22389739865006442,"difficulty":2680,"discrimination":0.004479398673070138,"irt_loglikelihood":-235.81497039078056,"irt_users":947,"is_experimental":false},"agc060_d":{"slope":-0.0003098795625818591,"intercept":9.160419114653399,"variance":0.15413919526369144,"difficulty":3394,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.40181686948397,"irt_users":947,"is_experimental":false},"agc060_e":{"difficulty":3452,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.37187765111622,"irt_users":947,"is_experimental":false},"agc060_f":{"is_experimental":false},"abc284_a":{"slope":-0.0008207436530513665,"intercept":5.740147599658774,"variance":0.8492730138413103,"difficulty":-1072,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.48536442332255,"irt_users":6056,"is_experimental":false},"abc284_b":{"slope":-0.0008089142628899861,"intercept":5.661439823400829,"variance":0.4475977329938352,"difficulty":-936,"discrimination":0.004479398673070138,"irt_loglikelihood":-404.05780235648024,"irt_users":6056,"is_experimental":false},"abc284_c":{"slope":-0.0011175330943309471,"intercept":6.874406206350753,"variance":0.699346818752967,"difficulty":108,"discrimination":0.004479398673070138,"irt_loglikelihood":-3069.820062457659,"irt_users":7054,"is_experimental":false},"abc284_d":{"slope":-0.0008027047394605185,"intercept":8.144499609161976,"variance":0.6321362602991721,"difficulty":658,"discrimination":0.004479398673070138,"irt_loglikelihood":-3683.059680801171,"irt_users":7054,"is_experimental":false},"abc284_e":{"slope":-0.0008107675106367359,"intercept":8.028296224791916,"variance":0.5376310565725801,"difficulty":1043,"discrimination":0.004479398673070138,"irt_loglikelihood":-2907.880011405929,"irt_users":7054,"is_experimental":false},"abc284_f":{"slope":-0.0006577453860174627,"intercept":8.668783507136263,"variance":0.2852947556914657,"difficulty":1575,"discrimination":0.004479398673070138,"irt_loglikelihood":-1436.6391663086958,"irt_users":7054,"is_experimental":false},"abc284_g":{"slope":-0.0004959089956677378,"intercept":8.64684889573095,"variance":0.2859154719645124,"difficulty":2218,"discrimination":0.004479398673070138,"irt_loglikelihood":-458.8804450905964,"irt_users":7054,"is_experimental":false},"abc284_h":{"slope":-0.00019215405573246635,"intercept":8.079464939811663,"variance":0.4023822750220521,"difficulty":3125,"discrimination":0.004479398673070138,"irt_loglikelihood":-69.77811188547214,"irt_users":7054,"is_experimental":false},"arc153_a":{"slope":-0.0008450023898015704,"intercept":7.690961000677111,"variance":0.4895781697512026,"difficulty":-259,"discrimination":0.004479398673070138,"irt_loglikelihood":-1070.5976296651854,"irt_users":3678,"is_experimental":false},"arc153_b":{"slope":-0.0007424653420688961,"intercept":8.902549079005027,"variance":0.28734756708167153,"difficulty":1369,"discrimination":0.004479398673070138,"irt_loglikelihood":-1588.4408940541823,"irt_users":3678,"is_experimental":false},"arc153_c":{"slope":-0.0004147705794089433,"intercept":8.875924781318922,"variance":0.26597602625961064,"difficulty":1960,"discrimination":0.004479398673070138,"irt_loglikelihood":-783.5067543851246,"irt_users":3678,"is_experimental":false},"arc153_d":{"slope":-0.00006399898795515903,"intercept":8.018267681209547,"variance":0.20546895453774347,"difficulty":2664,"discrimination":0.004479398673070138,"irt_loglikelihood":-234.21956985406405,"irt_users":3678,"is_experimental":false},"arc153_e":{"slope":-0.0006827819184573425,"intercept":9.817180150667086,"variance":0.09101136257440427,"difficulty":3276,"discrimination":0.004479398673070138,"irt_loglikelihood":-47.99324509343307,"irt_users":3678,"is_experimental":false},"arc153_f":{"difficulty":3597,"discrimination":0.004479398673070138,"irt_loglikelihood":-9.16384964339848,"irt_users":3678,"is_experimental":false},"abc285_a":{"slope":-0.0010367278272696574,"intercept":6.238452818845925,"variance":0.811139631436809,"difficulty":-1022,"discrimination":0.004479398673070138,"irt_loglikelihood":-331.15848416807563,"irt_users":5256,"is_experimental":false},"abc285_b":{"slope":-0.0008220385602738889,"intercept":7.167580484599623,"variance":0.3680222062839597,"difficulty":-123,"discrimination":0.004479398673070138,"irt_loglikelihood":-1793.6285880211497,"irt_users":5256,"is_experimental":false},"abc285_c":{"slope":-0.00102326856271109,"intercept":7.198021830111121,"variance":0.5852857962787532,"difficulty":25,"discrimination":0.004479398673070138,"irt_loglikelihood":-2465.6661684223,"irt_users":5911,"is_experimental":false},"abc285_d":{"slope":-0.0009221841899030318,"intercept":8.151230348038842,"variance":0.3965734849628096,"difficulty":663,"discrimination":0.004479398673070138,"irt_loglikelihood":-2302.5257124802997,"irt_users":5911,"is_experimental":false},"abc285_e":{"slope":-0.0007985311254057186,"intercept":8.609203497233558,"variance":0.3094436288469566,"difficulty":1466,"discrimination":0.004479398673070138,"irt_loglikelihood":-1072.307957464238,"irt_users":5911,"is_experimental":false},"abc285_f":{"slope":-0.00039075523369289615,"intercept":8.506510468621908,"variance":0.20653328656449849,"difficulty":1876,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.4443968374923,"irt_users":5911,"is_experimental":false},"abc285_g":{"slope":-0.0003511957883069777,"intercept":8.321786692064693,"variance":0.3929961762754416,"difficulty":2566,"discrimination":0.004479398673070138,"irt_loglikelihood":-153.50603121956067,"irt_users":5911,"is_experimental":false},"abc285_h":{"difficulty":3192,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.58510141542468,"irt_users":5911,"is_experimental":false},"abc286_a":{"slope":-0.0009160392841948481,"intercept":6.870852589279395,"variance":0.4531687415171647,"difficulty":-640,"discrimination":0.004479398673070138,"irt_loglikelihood":-568.4804083466191,"irt_users":5336,"is_experimental":false},"abc286_b":{"slope":-0.0009019918481728452,"intercept":6.3107069444223844,"variance":0.6507220074817508,"difficulty":-605,"discrimination":0.004479398673070138,"irt_loglikelihood":-595.3996883727656,"irt_users":5336,"is_experimental":false},"abc286_c":{"slope":-0.0011798188366380297,"intercept":7.929911908623382,"variance":0.3586527584793052,"difficulty":565,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.080352807919,"irt_users":6099,"is_experimental":false},"abc286_d":{"slope":-0.0011705594694417392,"intercept":8.052358176097846,"variance":0.4478607180861209,"difficulty":607,"discrimination":0.004479398673070138,"irt_loglikelihood":-2462.5783065178434,"irt_users":6099,"is_experimental":false},"abc286_e":{"slope":-0.0008064199374341585,"intercept":8.464572899445994,"variance":0.27397939572312924,"difficulty":1128,"discrimination":0.004479398673070138,"irt_loglikelihood":-1606.8697442827477,"irt_users":6099,"is_experimental":false},"abc286_f":{"slope":-0.000566074766358955,"intercept":8.885212540841422,"variance":0.19086326655308372,"difficulty":1841,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.3222114948738,"irt_users":6099,"is_experimental":false},"abc286_g":{"slope":-0.0005807426507771868,"intercept":8.256838759955041,"variance":0.3899679411560895,"difficulty":2135,"discrimination":0.004479398673070138,"irt_loglikelihood":-425.47377194023,"irt_users":6099,"is_experimental":false},"abc286_h":{"slope":-0.0001516547287099346,"intercept":7.785276801107446,"variance":0.2260900200361771,"difficulty":2526,"discrimination":0.004479398673070138,"irt_loglikelihood":-210.29620282411736,"irt_users":6099,"is_experimental":false},"arc154_a":{"slope":-0.0009883295973917249,"intercept":8.000564158264815,"variance":0.639828187924721,"difficulty":364,"discrimination":0.004479398673070138,"irt_loglikelihood":-963.8569418833675,"irt_users":2387,"is_experimental":false},"arc154_b":{"slope":-0.0009856454189839652,"intercept":8.632481113257777,"variance":0.5592663468439826,"difficulty":1027,"discrimination":0.004479398673070138,"irt_loglikelihood":-1037.975723154135,"irt_users":2387,"is_experimental":false},"arc154_c":{"slope":-0.000648412123527097,"intercept":9.001275415185686,"variance":0.4301360172247753,"difficulty":1881,"discrimination":0.004479398673070138,"irt_loglikelihood":-743.596829340605,"irt_users":2387,"is_experimental":false},"arc154_d":{"slope":-0.0004085362855681642,"intercept":8.912055844979779,"variance":0.25233324085142245,"difficulty":2265,"discrimination":0.004479398673070138,"irt_loglikelihood":-436.1005187557776,"irt_users":2387,"is_experimental":false},"arc154_e":{"slope":-0.0007328871047488927,"intercept":10.214275702174067,"variance":0.18446209226201152,"difficulty":3506,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.947367189841714,"irt_users":2387,"is_experimental":false},"arc154_f":{"difficulty":3616,"discrimination":0.004479398673070138,"irt_loglikelihood":-18.441663599283373,"irt_users":2387,"is_experimental":false},"abc287_a":{"slope":-0.0008285589570579524,"intercept":6.068313321761355,"variance":0.6544038454014871,"difficulty":-1023,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.39106946441643,"irt_users":5938,"is_experimental":false},"abc287_b":{"slope":-0.0009414609240638487,"intercept":6.740963776991953,"variance":0.4297424386530428,"difficulty":-471,"discrimination":0.004479398673070138,"irt_loglikelihood":-863.5987877829334,"irt_users":5938,"is_experimental":false},"abc287_c":{"slope":-0.0008533168353931291,"intercept":7.959667370558987,"variance":0.4843737369896553,"difficulty":466,"discrimination":0.004479398673070138,"irt_loglikelihood":-3202.7000241839683,"irt_users":6920,"is_experimental":false},"abc287_d":{"slope":-0.0009859937352851252,"intercept":8.339169949717952,"variance":0.291551258590176,"difficulty":796,"discrimination":0.004479398673070138,"irt_loglikelihood":-2618.2144186206406,"irt_users":6920,"is_experimental":false},"abc287_e":{"slope":-0.0006489877142485339,"intercept":7.95346195800778,"variance":0.4138938871754685,"difficulty":1093,"discrimination":0.004479398673070138,"irt_loglikelihood":-2178.695402075581,"irt_users":6920,"is_experimental":false},"abc287_f":{"slope":-0.0006964658344330914,"intercept":8.705808661298295,"variance":0.3576344617983916,"difficulty":2034,"discrimination":0.004479398673070138,"irt_loglikelihood":-613.4449103522159,"irt_users":6920,"is_experimental":false},"abc287_g":{"slope":-0.00025709988420531877,"intercept":7.927518640850171,"variance":0.2751836138284375,"difficulty":2180,"discrimination":0.004479398673070138,"irt_loglikelihood":-579.4334410264981,"irt_users":6920,"is_experimental":false},"abc287_h":{"slope":-0.00022112723742822733,"intercept":8.067980799964866,"variance":0.29742812889108305,"difficulty":2639,"discrimination":0.004479398673070138,"irt_loglikelihood":-201.0322889050979,"irt_users":6920,"is_experimental":false},"arc155_a":{"slope":-0.0007217090655798133,"intercept":9.284338636030776,"variance":0.29344876127309055,"difficulty":1548,"discrimination":0.004479398673070138,"irt_loglikelihood":-1123.8370705201123,"irt_users":2020,"is_experimental":false},"arc155_b":{"slope":-0.00085826268239046,"intercept":9.220593281553423,"variance":0.48894007989335747,"difficulty":1565,"discrimination":0.004479398673070138,"irt_loglikelihood":-799.4166262821475,"irt_users":2020,"is_experimental":false},"arc155_c":{"slope":-0.00048569669242069796,"intercept":9.126181308180305,"variance":0.16644182654222717,"difficulty":2219,"discrimination":0.004479398673070138,"irt_loglikelihood":-386.4509917478553,"irt_users":2020,"is_experimental":false},"arc155_d":{"slope":-0.00013191755965151085,"intercept":8.446070796749046,"variance":0.24307562516907136,"difficulty":3001,"discrimination":0.004479398673070138,"irt_loglikelihood":-92.28313064879394,"irt_users":2020,"is_experimental":false},"arc155_e":{"difficulty":3513,"discrimination":0.004479398673070138,"irt_loglikelihood":-16.984465209907796,"irt_users":2020,"is_experimental":false},"arc155_f":{"is_experimental":false},"abc288_a":{"slope":-0.0008248381136792709,"intercept":5.494470630175143,"variance":1.002305436884765,"difficulty":-1292,"discrimination":0.004479398673070138,"irt_loglikelihood":-141.40047868284398,"irt_users":5996,"is_experimental":false},"abc288_b":{"slope":-0.0008815375197487608,"intercept":6.274265137168,"variance":0.4921254424603406,"difficulty":-483,"discrimination":0.004479398673070138,"irt_loglikelihood":-984.2628393427017,"irt_users":5996,"is_experimental":false},"abc288_c":{"slope":-0.0011712966422328525,"intercept":7.570406923367458,"variance":0.7004502238900587,"difficulty":436,"discrimination":0.004479398673070138,"irt_loglikelihood":-3089.5391597553407,"irt_users":7092,"is_experimental":false},"abc288_d":{"slope":-0.0007885616399728397,"intercept":8.981268488540755,"variance":0.4328755921312788,"difficulty":1757,"discrimination":0.004479398673070138,"irt_loglikelihood":-1468.3583845271846,"irt_users":7092,"is_experimental":false},"abc288_e":{"slope":-0.0007793864676339063,"intercept":8.954593659554792,"variance":0.3297690314330157,"difficulty":2000,"discrimination":0.004479398673070138,"irt_loglikelihood":-776.678494475481,"irt_users":7092,"is_experimental":false},"abc288_f":{"slope":-0.000621428223913472,"intercept":8.604995865423856,"variance":0.3568889960860546,"difficulty":2024,"discrimination":0.004479398673070138,"irt_loglikelihood":-830.9653024932746,"irt_users":7092,"is_experimental":false},"abc288_g":{"slope":-0.0006358333052422073,"intercept":8.697414271957907,"variance":0.4219177790544519,"difficulty":2606,"discrimination":0.004479398673070138,"irt_loglikelihood":-247.84405735211496,"irt_users":7092,"is_experimental":false},"abc288_h":{"slope":-0.00030796018863338953,"intercept":8.98206197623717,"variance":0.19448058962503337,"difficulty":3282,"discrimination":0.004479398673070138,"irt_loglikelihood":-48.69279163591055,"irt_users":7092,"is_experimental":false},"ahc017_a":{"difficulty":3692,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.248904755627502,"irt_users":811,"is_experimental":false},"ahc017_b":{"difficulty":3692,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.248904755627502,"irt_users":811,"is_experimental":false},"abc289_a":{"slope":-0.0010423321114857245,"intercept":5.788997660969445,"variance":0.6528979569289868,"difficulty":-952,"discrimination":0.004479398673070138,"irt_loglikelihood":-186.10507442130265,"irt_users":6252,"is_experimental":false},"abc289_b":{"slope":-0.001053635620762895,"intercept":7.694323757302281,"variance":0.35687530736292067,"difficulty":169,"discrimination":0.004479398673070138,"irt_loglikelihood":-2177.8342968557467,"irt_users":6252,"is_experimental":false},"abc289_c":{"slope":-0.0011571860214988512,"intercept":7.773383644363771,"variance":0.394658132687081,"difficulty":396,"discrimination":0.004479398673070138,"irt_loglikelihood":-2254.2364525775947,"irt_users":6252,"is_experimental":false},"abc289_d":{"slope":-0.0010451368608496623,"intercept":7.678212779224496,"variance":0.43026447561059733,"difficulty":551,"discrimination":0.004479398673070138,"irt_loglikelihood":-2317.11460193474,"irt_users":6252,"is_experimental":false},"abc289_e":{"slope":-0.0006618560918287021,"intercept":8.217576853709968,"variance":0.3825535718914952,"difficulty":1318,"discrimination":0.004479398673070138,"irt_loglikelihood":-1527.5902040841029,"irt_users":6252,"is_experimental":false},"abc289_f":{"slope":-0.0000929549254751467,"intercept":8.167541142969844,"variance":0.17591625333289904,"difficulty":2100,"discrimination":0.004479398673070138,"irt_loglikelihood":-367.7611276916916,"irt_users":6252,"is_experimental":false},"abc289_g":{"slope":-0.00037339400457695067,"intercept":8.21162801999562,"variance":0.30604217945577034,"difficulty":2109,"discrimination":0.004479398673070138,"irt_loglikelihood":-354.2938638685989,"irt_users":6252,"is_experimental":false},"abc289_h":{"difficulty":3246,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.197091903934746,"irt_users":6252,"is_experimental":false},"agc061_a":{"slope":-0.0007399478545191723,"intercept":9.86925003998302,"variance":0.23521175198518146,"difficulty":1643,"discrimination":0.004479398673070138,"irt_loglikelihood":-434.31109499197356,"irt_users":810,"is_experimental":false},"agc061_b":{"slope":-0.00033596636211105754,"intercept":9.38873037392461,"variance":0.14767861202706725,"difficulty":3371,"discrimination":0.004479398673070138,"irt_loglikelihood":-121.19335700016595,"irt_users":810,"is_experimental":false},"agc061_c":{"slope":-0.00008143930937875489,"intercept":8.654752604170685,"variance":0.2181965109297974,"difficulty":2697,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.5703013155238,"irt_users":810,"is_experimental":false},"agc061_d":{"slope":-0.00010350814058156233,"intercept":8.818952698248486,"variance":0.23591554807585993,"difficulty":3632,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.891456920745743,"irt_users":810,"is_experimental":false},"agc061_e":{"difficulty":3901,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.81124946172792,"irt_users":810,"is_experimental":false},"agc061_f":{"difficulty":4084,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.551278613712103,"irt_users":810,"is_experimental":false},"arc156_a":{"slope":-0.0007706389740699164,"intercept":8.66071139959516,"variance":0.3323926535918268,"difficulty":510,"discrimination":0.004479398673070138,"irt_loglikelihood":-1599.8965514203653,"irt_users":3075,"is_experimental":false},"arc156_b":{"slope":-0.0009507279872955916,"intercept":9.190941219878946,"variance":0.2891488578006244,"difficulty":1415,"discrimination":0.004479398673070138,"irt_loglikelihood":-927.4589776222091,"irt_users":3075,"is_experimental":false},"arc156_c":{"slope":-0.00036035113831844797,"intercept":8.549715647726021,"variance":0.28702423719816833,"difficulty":2155,"discrimination":0.004479398673070138,"irt_loglikelihood":-515.7895314499484,"irt_users":3075,"is_experimental":false},"arc156_d":{"slope":-0.0004871907283234898,"intercept":9.20654883636653,"variance":0.23179705437847975,"difficulty":2568,"discrimination":0.004479398673070138,"irt_loglikelihood":-227.33722994271534,"irt_users":3075,"is_experimental":false},"arc156_e":{"difficulty":3650,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.847978624249926,"irt_users":3075,"is_experimental":false},"arc156_f":{"difficulty":4011,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.954169668018494,"irt_users":3075,"is_experimental":false},"abc290_a":{"slope":-0.000889684755655305,"intercept":5.942372785158227,"variance":0.7024957812376526,"difficulty":-1118,"discrimination":0.004479398673070138,"irt_loglikelihood":-152.83542211704415,"irt_users":5080,"is_experimental":false},"abc290_b":{"slope":-0.0008130809160945827,"intercept":6.24889798578431,"variance":0.2817739684432125,"difficulty":-764,"discrimination":0.004479398673070138,"irt_loglikelihood":-372.2734907256187,"irt_users":5080,"is_experimental":false},"abc290_c":{"slope":-0.0010609661818445602,"intercept":7.577000955907169,"variance":0.681612768684778,"difficulty":170,"discrimination":0.004479398673070138,"irt_loglikelihood":-2283.507663995769,"irt_users":5870,"is_experimental":false},"abc290_d":{"slope":-0.0009730925425805256,"intercept":8.561665778767637,"variance":0.37910327973793434,"difficulty":1036,"discrimination":0.004479398673070138,"irt_loglikelihood":-2347.0340403324276,"irt_users":5870,"is_experimental":false},"abc290_e":{"slope":-0.0007233629642363772,"intercept":8.75604171528173,"variance":0.2763192746921733,"difficulty":1485,"discrimination":0.004479398673070138,"irt_loglikelihood":-1251.7849885069445,"irt_users":5870,"is_experimental":false},"abc290_f":{"slope":-0.0006321721244108218,"intercept":8.98326316848698,"variance":0.228998346139588,"difficulty":2300,"discrimination":0.004479398673070138,"irt_loglikelihood":-326.69411570620196,"irt_users":5870,"is_experimental":false},"abc290_g":{"slope":-0.0006435604833845218,"intercept":8.820801067548274,"variance":0.3246152213070747,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-317.2975243869337,"irt_users":5870,"is_experimental":false},"abc290_h":{"difficulty":3569,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.912787570002827,"irt_users":5870,"is_experimental":false},"arc157_a":{"slope":-0.000882320083911851,"intercept":8.35831802037334,"variance":0.4934810104619622,"difficulty":344,"discrimination":0.004479398673070138,"irt_loglikelihood":-1113.4180634448976,"irt_users":2805,"is_experimental":false},"arc157_b":{"slope":-0.0006859674056332983,"intercept":9.35152610533681,"variance":0.2307368563345296,"difficulty":1529,"discrimination":0.004479398673070138,"irt_loglikelihood":-1056.538373334025,"irt_users":2805,"is_experimental":false},"arc157_c":{"slope":-0.0008509328125053586,"intercept":9.101957423285969,"variance":0.44324601603769587,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-754.8719656653731,"irt_users":2805,"is_experimental":false},"arc157_d":{"slope":-0.0005629417516649875,"intercept":9.30773877731724,"variance":0.15029836416843884,"difficulty":2435,"discrimination":0.004479398673070138,"irt_loglikelihood":-259.36795357729716,"irt_users":2805,"is_experimental":false},"arc157_e":{"slope":-0.00023066827164478155,"intercept":8.530997424467365,"variance":0.0979493686222164,"difficulty":2877,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.91527032305767,"irt_users":2805,"is_experimental":false},"arc157_f":{"difficulty":3517,"discrimination":0.004479398673070138,"irt_loglikelihood":-17.578400753101988,"irt_users":2805,"is_experimental":false},"abc291_a":{"slope":-0.0008543562354912614,"intercept":5.900546059712352,"variance":0.773986277727707,"difficulty":-1162,"discrimination":0.004479398673070138,"irt_loglikelihood":-197.73987190638204,"irt_users":5560,"is_experimental":false},"abc291_b":{"slope":-0.0009462697441904163,"intercept":6.573013890693889,"variance":0.34713248816177456,"difficulty":-606,"discrimination":0.004479398673070138,"irt_loglikelihood":-681.7528512723849,"irt_users":5560,"is_experimental":false},"abc291_c":{"slope":-0.0009942331220727184,"intercept":7.126987587478239,"variance":0.5447985083931461,"difficulty":97,"discrimination":0.004479398673070138,"irt_loglikelihood":-2812.6501252611747,"irt_users":6396,"is_experimental":false},"abc291_d":{"slope":-0.001159835364395436,"intercept":7.987671843011918,"variance":0.446136560288524,"difficulty":720,"discrimination":0.004479398673070138,"irt_loglikelihood":-2613.8665244448002,"irt_users":6396,"is_experimental":false},"abc291_e":{"slope":-0.0008984152901549364,"intercept":8.352647288208814,"variance":0.493102394579207,"difficulty":1069,"discrimination":0.004479398673070138,"irt_loglikelihood":-2104.4215264358536,"irt_users":6396,"is_experimental":false},"abc291_f":{"slope":-0.0007763025086120642,"intercept":8.549724575391615,"variance":0.2422515787637572,"difficulty":1449,"discrimination":0.004479398673070138,"irt_loglikelihood":-1335.8569434498013,"irt_users":6396,"is_experimental":false},"abc291_g":{"slope":-0.001001296428083774,"intercept":9.439739998582645,"variance":0.29534982433320944,"difficulty":2176,"discrimination":0.004479398673070138,"irt_loglikelihood":-436.01806687257863,"irt_users":6396,"is_experimental":false},"abc291_h":{"slope":-0.0005230660373041194,"intercept":8.197281440905861,"variance":0.48304712369270514,"difficulty":2097,"discrimination":0.004479398673070138,"irt_loglikelihood":-563.9163699890364,"irt_users":6396,"is_experimental":false},"ahc018_a":{"difficulty":3672,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.205258713901648,"irt_users":914,"is_experimental":false},"ahc018_b":{"difficulty":3672,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.205258713901648,"irt_users":914,"is_experimental":false},"abc292_a":{"slope":-0.0008223144082069277,"intercept":5.684756035821828,"variance":1.0483616419813777,"difficulty":-1207,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.0349269935447,"irt_users":6058,"is_experimental":false},"abc292_b":{"slope":-0.0009309425624149377,"intercept":6.464431943638377,"variance":0.3819808672960667,"difficulty":-534,"discrimination":0.004479398673070138,"irt_loglikelihood":-855.5794014104863,"irt_users":6058,"is_experimental":false},"abc292_c":{"slope":-0.001225861402366121,"intercept":7.901475201727852,"variance":0.5058412937509729,"difficulty":444,"discrimination":0.004479398673070138,"irt_loglikelihood":-3460.7422480942505,"irt_users":7057,"is_experimental":false},"abc292_d":{"slope":-0.0011241887031195705,"intercept":8.03526373484689,"variance":0.4586548738507967,"difficulty":579,"discrimination":0.004479398673070138,"irt_loglikelihood":-2983.7922969074366,"irt_users":7057,"is_experimental":false},"abc292_e":{"slope":-0.0007921040403187679,"intercept":8.292047711136547,"variance":0.5124930603972645,"difficulty":1272,"discrimination":0.004479398673070138,"irt_loglikelihood":-2038.8625760714397,"irt_users":7057,"is_experimental":false},"abc292_f":{"slope":-0.0005323142405442395,"intercept":8.38395882749023,"variance":0.2953324596893769,"difficulty":1522,"discrimination":0.004479398673070138,"irt_loglikelihood":-1576.4900441083644,"irt_users":7057,"is_experimental":false},"abc292_g":{"slope":-0.0007022292155570505,"intercept":8.954946348447145,"variance":0.33299634093001496,"difficulty":2340,"discrimination":0.004479398673070138,"irt_loglikelihood":-290.1728598844993,"irt_users":7057,"is_experimental":false},"abc292_h":{"slope":-0.0005334937277321515,"intercept":8.549153736056494,"variance":0.24933387146986086,"difficulty":2248,"discrimination":0.004479398673070138,"irt_loglikelihood":-395.1439626106925,"irt_users":7057,"is_experimental":false},"abc293_a":{"slope":-0.0009571852481259964,"intercept":6.269929562878886,"variance":0.759272059705461,"difficulty":-998,"discrimination":0.004479398673070138,"irt_loglikelihood":-389.15369861836626,"irt_users":6242,"is_experimental":false},"abc293_b":{"slope":-0.000958838231527994,"intercept":6.880446762397167,"variance":0.3884871903568404,"difficulty":-328,"discrimination":0.004479398673070138,"irt_loglikelihood":-1422.6206408272392,"irt_users":6242,"is_experimental":false},"abc293_c":{"slope":-0.0008684753395241443,"intercept":7.684125683821924,"variance":0.4114318347843248,"difficulty":431,"discrimination":0.004479398673070138,"irt_loglikelihood":-3806.3853931800045,"irt_users":7305,"is_experimental":false},"abc293_d":{"slope":-0.0008427317608160975,"intercept":7.964581487087104,"variance":0.3993923358502674,"difficulty":830,"discrimination":0.004479398673070138,"irt_loglikelihood":-3164.838169227395,"irt_users":7305,"is_experimental":false},"abc293_e":{"slope":-0.0006940304290954989,"intercept":8.382655749761105,"variance":0.4849828186094687,"difficulty":1453,"discrimination":0.004479398673070138,"irt_loglikelihood":-2123.4600126033106,"irt_users":7305,"is_experimental":false},"abc293_f":{"slope":-0.000576307639855628,"intercept":8.75495791985405,"variance":0.28274937333989375,"difficulty":2038,"discrimination":0.004479398673070138,"irt_loglikelihood":-659.3623621794279,"irt_users":7305,"is_experimental":false},"abc293_g":{"slope":-0.00043172490958113483,"intercept":8.015228817738048,"variance":0.49221529751624166,"difficulty":1753,"discrimination":0.004479398673070138,"irt_loglikelihood":-1273.487692920661,"irt_users":7305,"is_experimental":false},"abc293_h":{"slope":-0.00023220172348592036,"intercept":8.443148824253448,"variance":0.2647851684890256,"difficulty":2831,"discrimination":0.004479398673070138,"irt_loglikelihood":-112.48920135388349,"irt_users":7305,"is_experimental":false},"arc158_a":{"slope":-0.0008878375909036819,"intercept":8.640901151720907,"variance":0.5113726946509096,"difficulty":720,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.888786383404,"irt_users":2195,"is_experimental":false},"arc158_b":{"slope":-0.0006113566813632763,"intercept":8.651162325982153,"variance":0.4113649465047913,"difficulty":1446,"discrimination":0.004479398673070138,"irt_loglikelihood":-1089.1131566744466,"irt_users":2195,"is_experimental":false},"arc158_c":{"slope":-0.000772904891113224,"intercept":8.89972273666418,"variance":0.4068811565438419,"difficulty":1875,"discrimination":0.004479398673070138,"irt_loglikelihood":-614.4573966219184,"irt_users":2195,"is_experimental":false},"arc158_d":{"slope":-0.00017994691729606794,"intercept":8.210093275053048,"variance":0.2539341725744941,"difficulty":2893,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.84699308579584,"irt_users":2195,"is_experimental":false},"arc158_e":{"slope":-0.0003386759466425316,"intercept":8.79432812534879,"variance":0.13810017577826575,"difficulty":2641,"discrimination":0.004479398673070138,"irt_loglikelihood":-222.64493053612335,"irt_users":2195,"is_experimental":false},"arc158_f":{"slope":-0.0005884281457203313,"intercept":9.806462008560331,"variance":0.17130190951300867,"difficulty":3500,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.480127813488913,"irt_users":2195,"is_experimental":false},"abc294_a":{"slope":-0.0008232289556503734,"intercept":5.674904597085924,"variance":0.8562982116903992,"difficulty":-1166,"discrimination":0.004479398673070138,"irt_loglikelihood":-200.7866347314248,"irt_users":5328,"is_experimental":false},"abc294_b":{"slope":-0.0008764102198752846,"intercept":6.4366428833070435,"variance":0.3700753810128172,"difficulty":-714,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.67455745664785,"irt_users":5328,"is_experimental":false},"abc294_c":{"slope":-0.00098087668927223,"intercept":7.111364375573312,"variance":0.384374881521048,"difficulty":-59,"discrimination":0.004479398673070138,"irt_loglikelihood":-2190.595573145552,"irt_users":6111,"is_experimental":false},"abc294_d":{"slope":-0.0008908518267553361,"intercept":7.648898692493035,"variance":0.4411874034905764,"difficulty":385,"discrimination":0.004479398673070138,"irt_loglikelihood":-2594.3909441760093,"irt_users":6111,"is_experimental":false},"abc294_e":{"slope":-0.0007414868658772841,"intercept":8.133681698647043,"variance":0.25800981857647576,"difficulty":792,"discrimination":0.004479398673070138,"irt_loglikelihood":-2348.407922519273,"irt_users":6111,"is_experimental":false},"abc294_f":{"slope":-0.0007209314417283992,"intercept":8.638404870382299,"variance":0.2944439265412023,"difficulty":1891,"discrimination":0.004479398673070138,"irt_loglikelihood":-768.0801796768566,"irt_users":6111,"is_experimental":false},"abc294_g":{"slope":-0.00039030600385286154,"intercept":8.09796929751391,"variance":0.39054961627634466,"difficulty":1702,"discrimination":0.004479398673070138,"irt_loglikelihood":-1240.7779261615551,"irt_users":6111,"is_experimental":false},"abc294_h":{"slope":-0.0001639004674118632,"intercept":8.410536753042033,"variance":0.2687022627657551,"difficulty":3058,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.17863424806991,"irt_users":6111,"is_experimental":false},"abc295_a":{"slope":-0.0007969025418545601,"intercept":6.277181361294748,"variance":0.7591956399377237,"difficulty":-921,"discrimination":0.004479398673070138,"irt_loglikelihood":-496.451027826628,"irt_users":6236,"is_experimental":false},"abc295_b":{"slope":-0.0009431424060002621,"intercept":7.524368131286837,"variance":0.36485975507869556,"difficulty":24,"discrimination":0.004479398673070138,"irt_loglikelihood":-2130.775032670364,"irt_users":6236,"is_experimental":false},"abc295_c":{"slope":-0.0011524354172483577,"intercept":6.634703055845269,"variance":0.7223796168716735,"difficulty":-75,"discrimination":0.004479398673070138,"irt_loglikelihood":-2875.432440842943,"irt_users":7178,"is_experimental":false},"abc295_d":{"slope":-0.0010254725813741109,"intercept":8.111397576787345,"variance":0.6120697300898832,"difficulty":939,"discrimination":0.004479398673070138,"irt_loglikelihood":-3003.261262879662,"irt_users":7178,"is_experimental":false},"abc295_e":{"slope":-0.0009247056491232373,"intercept":9.388412408022397,"variance":0.283412203284271,"difficulty":2157,"discrimination":0.004479398673070138,"irt_loglikelihood":-477.9044297858189,"irt_users":7178,"is_experimental":false},"abc295_f":{"slope":-0.0005762892471023287,"intercept":8.892569128642828,"variance":0.2329921222320026,"difficulty":2306,"discrimination":0.004479398673070138,"irt_loglikelihood":-378.81011710237624,"irt_users":7178,"is_experimental":false},"abc295_g":{"slope":-0.000858286296187099,"intercept":9.188310105366364,"variance":0.41140457692947424,"difficulty":2091,"discrimination":0.004479398673070138,"irt_loglikelihood":-633.3476679031085,"irt_users":7178,"is_experimental":false},"abc295_h":{"slope":-0.0008781863667259765,"intercept":9.444492365632666,"variance":0.30111060242665216,"difficulty":2728,"discrimination":0.004479398673070138,"irt_loglikelihood":-99.73909055287501,"irt_users":7178,"is_experimental":false},"abc296_a":{"slope":-0.0009222832582501536,"intercept":6.223488525056167,"variance":0.7937926602896974,"difficulty":-937,"discrimination":0.004479398673070138,"irt_loglikelihood":-412.1805133651696,"irt_users":6022,"is_experimental":false},"abc296_b":{"slope":-0.0008143753439355322,"intercept":6.573768992905806,"variance":0.29178011846166496,"difficulty":-622,"discrimination":0.004479398673070138,"irt_loglikelihood":-760.3012028619474,"irt_users":6022,"is_experimental":false},"abc296_c":{"slope":-0.0010793728815455125,"intercept":7.086922541778526,"variance":0.7367924161077289,"difficulty":38,"discrimination":0.004479398673070138,"irt_loglikelihood":-2908.2234476619733,"irt_users":7066,"is_experimental":false},"abc296_d":{"slope":-0.0008538600941993788,"intercept":8.52592199380053,"variance":0.5297230785404499,"difficulty":999,"discrimination":0.004479398673070138,"irt_loglikelihood":-2951.4476435340616,"irt_users":7066,"is_experimental":false},"abc296_e":{"slope":-0.0008939894447773527,"intercept":8.722889847436626,"variance":0.34543268139239824,"difficulty":1285,"discrimination":0.004479398673070138,"irt_loglikelihood":-1711.2409536973023,"irt_users":7066,"is_experimental":false},"abc296_f":{"slope":-0.0007250217837088686,"intercept":8.446907796485132,"variance":0.48971680410356216,"difficulty":1811,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.5334952296785,"irt_users":7066,"is_experimental":false},"abc296_g":{"slope":-0.0002615005146876247,"intercept":8.265030345618545,"variance":0.37148086589443635,"difficulty":2241,"discrimination":0.004479398673070138,"irt_loglikelihood":-419.50275313239,"irt_users":7066,"is_experimental":false},"abc296_h":{"slope":-0.00015828438488465273,"intercept":8.07288421011844,"variance":0.41338268639581316,"difficulty":2822,"discrimination":0.004479398673070138,"irt_loglikelihood":-73.34595918221021,"irt_users":7066,"is_experimental":false},"ahc019_a":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.5794551127163206,"irt_users":646,"is_experimental":false},"ahc019_b":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-2.5794551127163206,"irt_users":646,"is_experimental":false},"arc159_a":{"slope":-0.0009365644797406564,"intercept":8.610151013737411,"variance":0.3364928189871282,"difficulty":698,"discrimination":0.004479398673070138,"irt_loglikelihood":-1118.8993576907212,"irt_users":2767,"is_experimental":false},"arc159_b":{"slope":-0.0010229625249514615,"intercept":9.480273723325379,"variance":0.3060488697348725,"difficulty":1438,"discrimination":0.004479398673070138,"irt_loglikelihood":-860.123865877967,"irt_users":2767,"is_experimental":false},"arc159_c":{"slope":-0.0006530507445856134,"intercept":9.299750698786477,"variance":0.26536762298476885,"difficulty":2304,"discrimination":0.004479398673070138,"irt_loglikelihood":-371.25282788494076,"irt_users":2767,"is_experimental":false},"arc159_d":{"slope":-0.0008105997899788665,"intercept":9.390800462542114,"variance":0.3111688437238275,"difficulty":2056,"discrimination":0.004479398673070138,"irt_loglikelihood":-455.3448862702994,"irt_users":2767,"is_experimental":false},"arc159_e":{"difficulty":3229,"discrimination":0.004479398673070138,"irt_loglikelihood":-41.453810087193595,"irt_users":2767,"is_experimental":false},"arc159_f":{"difficulty":3250,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.28254136936137,"irt_users":2767,"is_experimental":false},"abc297_a":{"slope":-0.0009164691372489155,"intercept":6.2816605211624355,"variance":0.6405853056979275,"difficulty":-900,"discrimination":0.004479398673070138,"irt_loglikelihood":-299.6160326029582,"irt_users":5499,"is_experimental":false},"abc297_b":{"slope":-0.000823382818429429,"intercept":6.874825712717676,"variance":0.3221229238451544,"difficulty":-455,"discrimination":0.004479398673070138,"irt_loglikelihood":-846.5712319392093,"irt_users":5499,"is_experimental":false},"abc297_c":{"slope":-0.0008750094896677235,"intercept":6.716966550979752,"variance":0.33145723104188296,"difficulty":-172,"discrimination":0.004479398673070138,"irt_loglikelihood":-2291.957780307565,"irt_users":6301,"is_experimental":false},"abc297_d":{"slope":-0.0010186335685290662,"intercept":7.6017452010290665,"variance":0.4848867843422662,"difficulty":247,"discrimination":0.004479398673070138,"irt_loglikelihood":-2723.2038670618767,"irt_users":6301,"is_experimental":false},"abc297_e":{"slope":-0.0007497494176231549,"intercept":8.147747521788315,"variance":0.5179981772329793,"difficulty":1176,"discrimination":0.004479398673070138,"irt_loglikelihood":-2181.19020201219,"irt_users":6301,"is_experimental":false},"abc297_f":{"slope":-0.0008366058769922214,"intercept":8.966423336334053,"variance":0.3124099800590327,"difficulty":1990,"discrimination":0.004479398673070138,"irt_loglikelihood":-609.90246261035,"irt_users":6301,"is_experimental":false},"abc297_g":{"slope":-0.0008295268169985717,"intercept":8.825238145415584,"variance":0.4628627030216134,"difficulty":1834,"discrimination":0.004479398673070138,"irt_loglikelihood":-773.2355069742953,"irt_users":6301,"is_experimental":false},"abc297_h":{"slope":-0.0005033765205913178,"intercept":8.964133284181154,"variance":0.3676430029545607,"difficulty":2855,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.48529402895,"irt_users":6301,"is_experimental":false},"abc298_a":{"slope":-0.0008844999401273004,"intercept":6.280796919738116,"variance":0.6611872830358575,"is_experimental":false},"abc298_b":{"slope":-0.0010851237365438215,"intercept":7.789645784406277,"variance":0.35522790003517385,"is_experimental":false},"abc298_c":{"slope":-0.0009533622742618967,"intercept":7.749520827485614,"variance":0.4179211481021922,"difficulty":548,"discrimination":0.004479398673070138,"irt_loglikelihood":-2993.3540906316357,"irt_users":6706,"is_experimental":false},"abc298_d":{"slope":-0.0012296495735052665,"intercept":8.414108414599966,"variance":0.4415518480419984,"difficulty":943,"discrimination":0.004479398673070138,"irt_loglikelihood":-2118.8815779029173,"irt_users":6706,"is_experimental":false},"abc298_e":{"slope":-0.0010443487025651411,"intercept":8.716556282839178,"variance":0.2666523788850081,"difficulty":1341,"discrimination":0.004479398673070138,"irt_loglikelihood":-1370.0479294710656,"irt_users":6706,"is_experimental":false},"abc298_f":{"slope":-0.0006752027400103545,"intercept":8.438678255271052,"variance":0.2885603827835231,"difficulty":1568,"discrimination":0.004479398673070138,"irt_loglikelihood":-1096.025809138825,"irt_users":6706,"is_experimental":false},"abc298_g":{"slope":-0.00038919250183763174,"intercept":8.572741949949902,"variance":0.12585344154450048,"difficulty":2418,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.7132416175321,"irt_users":6706,"is_experimental":false},"abc298_h":{"slope":-0.00044278639692610616,"intercept":8.639226214988671,"variance":0.20830396410605875,"difficulty":2808,"discrimination":0.004479398673070138,"irt_loglikelihood":-100.54572858476617,"irt_users":6706,"is_experimental":false},"abc299_a":{"slope":-0.0007890748388152823,"intercept":6.4611748695694,"variance":0.6255669607107687,"is_experimental":false},"abc299_b":{"slope":-0.0008397088908343139,"intercept":7.178751469366478,"variance":0.3584134796577172,"is_experimental":false},"abc299_c":{"slope":-0.0009128192967753731,"intercept":7.650392215802989,"variance":0.4387940994451122,"difficulty":257,"discrimination":0.004479398673070138,"irt_loglikelihood":-3130.6617706669535,"irt_users":6332,"is_experimental":false},"abc299_d":{"slope":-0.000992230994682843,"intercept":8.03937539287052,"variance":0.43643115643173086,"difficulty":763,"discrimination":0.004479398673070138,"irt_loglikelihood":-2968.040148178301,"irt_users":6332,"is_experimental":false},"abc299_e":{"slope":-0.0009037511346330899,"intercept":8.786796821826487,"variance":0.2528172365384508,"difficulty":1262,"discrimination":0.004479398673070138,"irt_loglikelihood":-1814.6356240635453,"irt_users":6332,"is_experimental":false},"abc299_f":{"slope":-0.0007919348237873806,"intercept":8.907442543543697,"variance":0.3663984078186646,"difficulty":2366,"discrimination":0.004479398673070138,"irt_loglikelihood":-310.8431061381621,"irt_users":6332,"is_experimental":false},"abc299_g":{"slope":-0.0004275122407391072,"intercept":8.377498675922363,"variance":0.33376047754195953,"difficulty":2088,"discrimination":0.004479398673070138,"irt_loglikelihood":-643.3596772356921,"irt_users":6332,"is_experimental":false},"abc299_h":{"difficulty":2997,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.45149604866803,"irt_users":6332,"is_experimental":false},"abc300_a":{"slope":-0.000753412739593789,"intercept":5.599217659374225,"variance":0.3861652627688153,"difficulty":-1147,"discrimination":0.004479398673070138,"irt_loglikelihood":-95.35017775599165,"irt_users":5042,"is_experimental":false},"abc300_b":{"slope":-0.0011420657669913236,"intercept":7.891269131232036,"variance":0.4763501228808807,"difficulty":350,"discrimination":0.004479398673070138,"irt_loglikelihood":-2441.308643250033,"irt_users":5042,"is_experimental":false},"abc300_c":{"slope":-0.0008724194823564046,"intercept":8.023939274893799,"variance":0.2535960806807652,"difficulty":534,"discrimination":0.004479398673070138,"irt_loglikelihood":-2246.393104433452,"irt_users":5042,"is_experimental":false},"abc300_d":{"slope":-0.0007105459591637527,"intercept":8.169638521330308,"variance":0.29717754583992895,"difficulty":908,"discrimination":0.004479398673070138,"irt_loglikelihood":-1856.2015538295707,"irt_users":5042,"is_experimental":false},"abc300_e":{"slope":-0.0008116367746019004,"intercept":8.296985508526564,"variance":0.29141913191293595,"difficulty":1354,"discrimination":0.004479398673070138,"irt_loglikelihood":-1054.1744542950894,"irt_users":5042,"is_experimental":false},"abc300_f":{"slope":-0.0003729309947183413,"intercept":8.21172655014137,"variance":0.339947030920287,"difficulty":1846,"discrimination":0.004479398673070138,"irt_loglikelihood":-539.8172637691766,"irt_users":5042,"is_experimental":false},"abc300_g":{"slope":-0.0002015890758721332,"intercept":7.708155936569971,"variance":0.21438492076810545,"difficulty":2343,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.25764917154467,"irt_users":5042,"is_experimental":false},"abc300_h":{"difficulty":3209,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.475295209599273,"irt_users":5042,"is_experimental":false},"abc301_a":{"slope":-0.0008693350672331151,"intercept":6.644183639918012,"variance":0.6430674154537823,"difficulty":-821,"discrimination":0.004479398673070138,"irt_loglikelihood":-658.0078720071346,"irt_users":5872,"is_experimental":false},"abc301_b":{"slope":-0.0008914765995936075,"intercept":7.024823746813027,"variance":0.4130363506331594,"difficulty":-314,"discrimination":0.004479398673070138,"irt_loglikelihood":-1435.9771899959599,"irt_users":5872,"is_experimental":false},"abc301_c":{"slope":-0.0007153463619696171,"intercept":7.831430467094813,"variance":0.324912841886209,"difficulty":379,"discrimination":0.004479398673070138,"irt_loglikelihood":-3387.158806105944,"irt_users":6846,"is_experimental":false},"abc301_d":{"slope":-0.0006651813037105186,"intercept":7.952752468849078,"variance":0.634087255830862,"difficulty":885,"discrimination":0.004479398673070138,"irt_loglikelihood":-3067.709802936832,"irt_users":6846,"is_experimental":false},"abc301_e":{"slope":-0.0006894355464541706,"intercept":8.915508282864147,"variance":0.2131881038248584,"difficulty":1673,"discrimination":0.004479398673070138,"irt_loglikelihood":-1039.9312634350922,"irt_users":6846,"is_experimental":false},"abc301_f":{"slope":-0.0006877108000819601,"intercept":9.381774936437916,"variance":0.14486573465908087,"difficulty":2548,"discrimination":0.004479398673070138,"irt_loglikelihood":-182.88338572791375,"irt_users":6846,"is_experimental":false},"abc301_g":{"slope":-0.00013011462490507752,"intercept":8.475134110075993,"variance":0.32957321852723076,"difficulty":3262,"discrimination":0.004479398673070138,"irt_loglikelihood":-29.053457057049304,"irt_users":6846,"is_experimental":false},"abc301_h":{"slope":-0.0007086171999228881,"intercept":9.818775911024389,"variance":0.22188035010279564,"difficulty":2898,"discrimination":0.004479398673070138,"irt_loglikelihood":-80.0931227847323,"irt_users":6846,"is_experimental":false},"arc160_a":{"slope":-0.0008646707949774114,"intercept":9.31342984699809,"variance":0.26678884834135214,"difficulty":1275,"discrimination":0.004479398673070138,"irt_loglikelihood":-861.6483687508304,"irt_users":1636,"is_experimental":false},"arc160_b":{"slope":-0.0008394099983670653,"intercept":8.78025884464771,"variance":0.5032096945372804,"difficulty":1275,"discrimination":0.004479398673070138,"irt_loglikelihood":-776.674434097737,"irt_users":1636,"is_experimental":false},"arc160_c":{"slope":-0.0009056500620394012,"intercept":9.155508505955208,"variance":0.28869513726979956,"difficulty":1861,"discrimination":0.004479398673070138,"irt_loglikelihood":-464.3344577712211,"irt_users":1636,"is_experimental":false},"arc160_d":{"slope":-0.0005723212152759093,"intercept":9.225492713620623,"variance":0.18672207457317813,"difficulty":2485,"discrimination":0.004479398673070138,"irt_loglikelihood":-202.95228228079995,"irt_users":1636,"is_experimental":false},"arc160_e":{"slope":-0.0005871513879847406,"intercept":9.692932301780894,"variance":0.12198053126191528,"difficulty":3284,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.743571221293415,"irt_users":1636,"is_experimental":false},"arc160_f":{"slope":-0.00019910417903610376,"intercept":8.523305314606137,"variance":0.12217145306140884,"difficulty":3202,"discrimination":0.004479398673070138,"irt_loglikelihood":-46.186442288773215,"irt_users":1636,"is_experimental":false},"abc302_a":{"slope":-0.0011612812232534237,"intercept":6.215138868181161,"variance":1.057466150897192,"difficulty":-723,"discrimination":0.004479398673070138,"irt_loglikelihood":-668.1711012275205,"irt_users":6109,"is_experimental":false},"abc302_b":{"slope":-0.0008811760093055743,"intercept":7.94821203669141,"variance":0.3398005344204406,"difficulty":349,"discrimination":0.004479398673070138,"irt_loglikelihood":-2772.6483149957508,"irt_users":6109,"is_experimental":false},"abc302_c":{"slope":-0.0010489368969526347,"intercept":7.795580950983591,"variance":0.5258305909056179,"difficulty":469,"discrimination":0.004479398673070138,"irt_loglikelihood":-3022.9552811865947,"irt_users":7065,"is_experimental":false},"abc302_d":{"slope":-0.0009310675710226338,"intercept":7.7608698504942835,"variance":0.4607412390637149,"difficulty":682,"discrimination":0.004479398673070138,"irt_loglikelihood":-2696.659547402891,"irt_users":7065,"is_experimental":false},"abc302_e":{"slope":-0.0007471107074777489,"intercept":7.76592271865185,"variance":0.3353152669206318,"difficulty":988,"discrimination":0.004479398673070138,"irt_loglikelihood":-2182.7423053714774,"irt_users":7065,"is_experimental":false},"abc302_f":{"slope":-0.0007405788157636616,"intercept":8.299528084295444,"variance":0.28906906659839804,"difficulty":1430,"discrimination":0.004479398673070138,"irt_loglikelihood":-1304.4616428557465,"irt_users":7065,"is_experimental":false},"abc302_g":{"slope":-0.00033439371063761223,"intercept":7.981711833493886,"variance":0.2663448385376405,"difficulty":1891,"discrimination":0.004479398673070138,"irt_loglikelihood":-802.5945991743095,"irt_users":7065,"is_experimental":false},"abc302_h":{"slope":-0.0002844273620268039,"intercept":8.182848715564852,"variance":0.2620998049675852,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.50942541026268,"irt_users":7065,"is_experimental":false},"agc062_a":{"slope":-0.0005603696633569105,"intercept":8.467226456120265,"variance":0.3871423369205568,"difficulty":1099,"discrimination":0.004479398673070138,"irt_loglikelihood":-326.96182332694764,"irt_users":981,"is_experimental":false},"agc062_b":{"slope":-0.0007944024258624854,"intercept":9.89724452993071,"variance":0.34342135006199836,"difficulty":2407,"discrimination":0.004479398673070138,"irt_loglikelihood":-275.4444962664965,"irt_users":981,"is_experimental":false},"agc062_c":{"slope":-0.0006288485026465686,"intercept":9.856169993847898,"variance":0.2851305910725592,"difficulty":2320,"discrimination":0.004479398673070138,"irt_loglikelihood":-343.73050974830613,"irt_users":981,"is_experimental":false},"agc062_d":{"difficulty":3274,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.00618749786665,"irt_users":981,"is_experimental":false},"agc062_e":{"difficulty":4233,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.339312778811169,"irt_users":981,"is_experimental":false},"agc062_f":{"is_experimental":false},"abc303_a":{"slope":-0.0008548077794766957,"intercept":6.616246937692108,"variance":0.5729736361976071,"difficulty":-763,"discrimination":0.004479398673070138,"irt_loglikelihood":-646.7948938742668,"irt_users":6311,"is_experimental":false},"abc303_b":{"slope":-0.0010554619962928678,"intercept":7.253582210767775,"variance":0.3517056579048686,"difficulty":-110,"discrimination":0.004479398673070138,"irt_loglikelihood":-1707.2017206549651,"irt_users":6311,"is_experimental":false},"abc303_c":{"slope":-0.0008207363132899715,"intercept":7.87297257574972,"variance":0.3557631876127881,"difficulty":417,"discrimination":0.004479398673070138,"irt_loglikelihood":-3416.4259208891463,"irt_users":7323,"is_experimental":false},"abc303_d":{"slope":-0.0008710859329781142,"intercept":8.150736847603826,"variance":0.3388981749692033,"difficulty":778,"discrimination":0.004479398673070138,"irt_loglikelihood":-2674.224869103,"irt_users":7323,"is_experimental":false},"abc303_e":{"slope":-0.0006890354655891099,"intercept":8.126026356262464,"variance":0.3022646070378141,"difficulty":1113,"discrimination":0.004479398673070138,"irt_loglikelihood":-2084.160224793348,"irt_users":7323,"is_experimental":false},"abc303_f":{"slope":-0.0006675310219760117,"intercept":9.429663007639187,"variance":0.18037314887635608,"difficulty":2381,"discrimination":0.004479398673070138,"irt_loglikelihood":-304.8097498943743,"irt_users":7323,"is_experimental":false},"abc303_g":{"slope":-0.0006167324800024178,"intercept":9.048763485401341,"variance":0.20074335286227815,"difficulty":2736,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.64907594549132,"irt_users":7323,"is_experimental":false},"abc303_h":{"slope":-0.0006859187336514961,"intercept":8.731220100715941,"variance":0.5364716243404637,"difficulty":2501,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.85111694791846,"irt_users":7323,"is_experimental":false},"arc161_a":{"slope":-0.0008469694892406859,"intercept":7.824769234047367,"variance":0.5643077550501826,"difficulty":265,"discrimination":0.004479398673070138,"irt_loglikelihood":-949.1616924988779,"irt_users":2250,"is_experimental":false},"arc161_b":{"slope":-0.0010022379901534154,"intercept":8.465374782901568,"variance":0.5070640223031786,"difficulty":563,"discrimination":0.004479398673070138,"irt_loglikelihood":-852.1153275856086,"irt_users":2250,"is_experimental":false},"arc161_c":{"slope":-0.0005190336524098025,"intercept":8.764670777025474,"variance":0.26046187392889325,"difficulty":1746,"discrimination":0.004479398673070138,"irt_loglikelihood":-694.2180275685462,"irt_users":2250,"is_experimental":false},"arc161_d":{"slope":-0.0006011764233827881,"intercept":8.463715157105616,"variance":0.4597139924584938,"difficulty":1379,"discrimination":0.004479398673070138,"irt_loglikelihood":-841.2060667548114,"irt_users":2250,"is_experimental":false},"arc161_e":{"difficulty":3136,"discrimination":0.004479398673070138,"irt_loglikelihood":-91.43452024500945,"irt_users":2250,"is_experimental":false},"arc161_f":{"slope":-0.00015430198460206234,"intercept":8.591583849133345,"variance":0.2100132516660232,"difficulty":3106,"discrimination":0.004479398673070138,"irt_loglikelihood":-68.1860948791052,"irt_users":2250,"is_experimental":false},"abc304_a":{"slope":-0.0009169846273134712,"intercept":6.934469016024009,"variance":0.49806158569138703,"is_experimental":false},"abc304_b":{"slope":-0.0009163869084212624,"intercept":6.728029295538882,"variance":0.4838077834468152,"is_experimental":false},"abc304_c":{"slope":-0.0012106238345170265,"intercept":7.866017360869483,"variance":0.3968447245614706,"difficulty":365,"discrimination":0.004479398673070138,"irt_loglikelihood":-2863.828964151065,"irt_users":6785,"is_experimental":false},"abc304_d":{"slope":-0.0008774923458675139,"intercept":8.320852874556788,"variance":0.32807299312550386,"difficulty":1015,"discrimination":0.004479398673070138,"irt_loglikelihood":-2359.848926818336,"irt_users":6785,"is_experimental":false},"abc304_e":{"slope":-0.0009881080369022247,"intercept":8.320707964855938,"variance":0.42839458873007696,"difficulty":971,"discrimination":0.004479398673070138,"irt_loglikelihood":-2278.089748079429,"irt_users":6785,"is_experimental":false},"abc304_f":{"slope":-0.0008838958943211867,"intercept":9.011598289120883,"variance":0.2935562378183435,"difficulty":1619,"discrimination":0.004479398673070138,"irt_loglikelihood":-1116.9460203899514,"irt_users":6785,"is_experimental":false},"abc304_g":{"slope":-0.00006992122229707178,"intercept":8.1473194754828,"variance":0.2531437243753433,"difficulty":3177,"discrimination":0.004479398673070138,"irt_loglikelihood":-56.07686840434338,"irt_users":6785,"is_experimental":false},"abc304_h":{"slope":-0.00019631245706394892,"intercept":8.280222038958657,"variance":0.33374692114651794,"difficulty":2642,"discrimination":0.004479398673070138,"irt_loglikelihood":-190.43026971428807,"irt_users":6785,"is_experimental":false},"abc305_a":{"slope":-0.0007844780174687098,"intercept":6.3113263030515565,"variance":0.6224311737512443,"difficulty":-1093,"discrimination":0.004479398673070138,"irt_loglikelihood":-320.0871588579975,"irt_users":6006,"is_experimental":false},"abc305_b":{"slope":-0.0008197145842142547,"intercept":6.414390051570109,"variance":0.3178145104795547,"difficulty":-749,"discrimination":0.004479398673070138,"irt_loglikelihood":-644.9868355431063,"irt_users":6006,"is_experimental":false},"abc305_c":{"slope":-0.0009313575694809074,"intercept":7.4254845509099425,"variance":0.43121464279521043,"difficulty":30,"discrimination":0.004479398673070138,"irt_loglikelihood":-3208.9428241272794,"irt_users":6966,"is_experimental":false},"abc305_d":{"slope":-0.0006778922411595325,"intercept":8.10991765452963,"variance":0.2512069999042902,"difficulty":671,"discrimination":0.004479398673070138,"irt_loglikelihood":-3353.5486851538353,"irt_users":6966,"is_experimental":false},"abc305_e":{"slope":-0.0007869666097330346,"intercept":8.238112238756427,"variance":0.4042251199893327,"difficulty":1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-2187.352067126221,"irt_users":6966,"is_experimental":false},"abc305_f":{"slope":-0.0006037353326364503,"intercept":8.28526731500006,"variance":0.31838002501044405,"difficulty":1420,"discrimination":0.004479398673070138,"irt_loglikelihood":-1452.2979555478732,"irt_users":6966,"is_experimental":false},"abc305_g":{"slope":-0.0005984739268311407,"intercept":8.688553742430406,"variance":0.21888090523253567,"difficulty":1989,"discrimination":0.004479398673070138,"irt_loglikelihood":-581.2619310333755,"irt_users":6966,"is_experimental":false},"abc305_h":{"slope":-0.0002872919236008865,"intercept":8.941837294410142,"variance":0.041846017145679947,"difficulty":3344,"discrimination":0.004479398673070138,"irt_loglikelihood":-24.315273416359204,"irt_users":6966,"is_experimental":false},"ahc020_a":{"difficulty":3705,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.09914217559004,"irt_users":802,"is_experimental":false},"abc306_a":{"slope":-0.0008608792610597184,"intercept":5.8298149258206475,"variance":0.8618204758582172,"is_experimental":false},"abc306_b":{"slope":-0.0007389177112115598,"intercept":6.67467340641589,"variance":1.026792823532742,"is_experimental":false},"abc306_c":{"slope":-0.001040163530069491,"intercept":7.13169595851299,"variance":0.44520336283107875,"difficulty":31,"discrimination":0.004479398673070138,"irt_loglikelihood":-2701.0235810575346,"irt_users":7471,"is_experimental":false},"abc306_d":{"slope":-0.0009951764338195063,"intercept":7.854407846234588,"variance":0.29564387036766476,"difficulty":596,"discrimination":0.004479398673070138,"irt_loglikelihood":-3055.5284168952708,"irt_users":7471,"is_experimental":false},"abc306_e":{"slope":-0.0006873586968030883,"intercept":8.483051081557292,"variance":0.33793288875327865,"difficulty":1268,"discrimination":0.004479398673070138,"irt_loglikelihood":-2057.5714681583654,"irt_users":7471,"is_experimental":false},"abc306_f":{"slope":-0.0007267576593593075,"intercept":8.513454343246098,"variance":0.2532329916933923,"difficulty":1557,"discrimination":0.004479398673070138,"irt_loglikelihood":-1254.7318418830657,"irt_users":7471,"is_experimental":false},"abc306_g":{"slope":-0.0005925307719650704,"intercept":8.886756300314484,"variance":0.18665440117515658,"difficulty":2563,"discrimination":0.004479398673070138,"irt_loglikelihood":-194.2766891669203,"irt_users":7471,"is_experimental":false},"abc306_h":{"slope":-0.00004450288287993867,"intercept":7.854412855006609,"variance":0.2714067228358601,"difficulty":3335,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.99902823936694,"irt_users":7471,"is_experimental":false},"arc162_a":{"slope":-0.0009083462302162766,"intercept":8.156228575043405,"variance":0.49382482805390554,"difficulty":446,"discrimination":0.004479398673070138,"irt_loglikelihood":-1038.4885339807554,"irt_users":2054,"is_experimental":false},"arc162_b":{"slope":-0.0008056310992024602,"intercept":8.983207163636598,"variance":0.24288383350934145,"difficulty":1124,"discrimination":0.004479398673070138,"irt_loglikelihood":-829.833637335791,"irt_users":2054,"is_experimental":false},"arc162_c":{"slope":-0.000727660982883145,"intercept":9.090040014155296,"variance":0.2309795422808002,"difficulty":1655,"discrimination":0.004479398673070138,"irt_loglikelihood":-603.5560656131393,"irt_users":2054,"is_experimental":false},"arc162_d":{"slope":-0.0004673435185048136,"intercept":8.963292931638838,"variance":0.14725641610882745,"difficulty":2568,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.1655101697547,"irt_users":2054,"is_experimental":false},"arc162_e":{"slope":-0.00046448218076586013,"intercept":8.771128481844102,"variance":0.19641176634379653,"difficulty":2780,"discrimination":0.004479398673070138,"irt_loglikelihood":-142.090783299214,"irt_users":2054,"is_experimental":false},"arc162_f":{"slope":-0.0002136530391347703,"intercept":8.391688467116035,"variance":0.17139568397786376,"difficulty":3190,"discrimination":0.004479398673070138,"irt_loglikelihood":-53.128109474740484,"irt_users":2054,"is_experimental":false},"abc307_a":{"slope":-0.0008990151117318472,"intercept":6.2596434164658845,"variance":0.6623881087271003,"difficulty":-1088,"discrimination":0.004479398673070138,"irt_loglikelihood":-263.3683195721141,"irt_users":5886,"is_experimental":false},"abc307_b":{"slope":-0.000933578469740157,"intercept":7.01737527097588,"variance":0.5654044255318436,"difficulty":-298,"discrimination":0.004479398673070138,"irt_loglikelihood":-1482.2812953745263,"irt_users":5886,"is_experimental":false},"abc307_c":{"slope":-0.0006151132898999078,"intercept":8.4200381780304,"variance":0.2609979430117152,"difficulty":1307,"discrimination":0.004479398673070138,"irt_loglikelihood":-2371.148665714169,"irt_users":6833,"is_experimental":false},"abc307_d":{"slope":-0.0007357763243870158,"intercept":8.018318668706106,"variance":0.5516419328964175,"difficulty":666,"discrimination":0.004479398673070138,"irt_loglikelihood":-3640.2759566673776,"irt_users":6833,"is_experimental":false},"abc307_e":{"slope":-0.0008550060703313559,"intercept":8.163614527943128,"variance":0.4876403592963885,"difficulty":1240,"discrimination":0.004479398673070138,"irt_loglikelihood":-2029.450361180173,"irt_users":6833,"is_experimental":false},"abc307_f":{"slope":-0.0003120047600162605,"intercept":8.26705983238813,"variance":0.2439507661253953,"difficulty":2139,"discrimination":0.004479398673070138,"irt_loglikelihood":-570.0968173774429,"irt_users":6833,"is_experimental":false},"abc307_g":{"slope":-0.0005683684276418934,"intercept":8.563176367529147,"variance":0.3464010387327136,"difficulty":2330,"discrimination":0.004479398673070138,"irt_loglikelihood":-389.45173599990335,"irt_users":6833,"is_experimental":false},"abc307_h":{"slope":-0.0003998392282158613,"intercept":8.522307413318556,"variance":0.32233237075048,"difficulty":2754,"discrimination":0.004479398673070138,"irt_loglikelihood":-132.4989602106276,"irt_users":6833,"is_experimental":false},"ahc021_a":{"difficulty":3745,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.452604973843451,"irt_users":967,"is_experimental":false},"abc308_a":{"slope":-0.0008673895221074671,"intercept":6.5280558410898015,"variance":0.6346782422697574,"difficulty":-881,"discrimination":0.004479398673070138,"irt_loglikelihood":-550.4897460706777,"irt_users":6616,"is_experimental":false},"abc308_b":{"slope":-0.0007971763896778482,"intercept":6.782257954217278,"variance":0.30603144329455273,"difficulty":-417,"discrimination":0.004479398673070138,"irt_loglikelihood":-1316.9210782933583,"irt_users":6616,"is_experimental":false},"abc308_c":{"slope":-0.0009323958903207287,"intercept":7.810392524443898,"variance":0.5978857911232915,"difficulty":605,"discrimination":0.004479398673070138,"irt_loglikelihood":-4571.886315241998,"irt_users":7690,"is_experimental":false},"abc308_d":{"slope":-0.0008264719509241379,"intercept":8.01992612426454,"variance":0.3800147290478062,"difficulty":619,"discrimination":0.004479398673070138,"irt_loglikelihood":-3442.3334361084294,"irt_users":7690,"is_experimental":false},"abc308_e":{"slope":-0.000837700356078762,"intercept":8.239294921434531,"variance":0.27364464304541236,"difficulty":1042,"discrimination":0.004479398673070138,"irt_loglikelihood":-2331.8176903103868,"irt_users":7690,"is_experimental":false},"abc308_f":{"slope":-0.0006660353098791878,"intercept":7.886051893682773,"variance":0.35291086337246586,"difficulty":1284,"discrimination":0.004479398673070138,"irt_loglikelihood":-1873.3231013497173,"irt_users":7690,"is_experimental":false},"abc308_g":{"slope":-0.00021491950104243358,"intercept":7.917242323941232,"variance":0.3399986519697962,"difficulty":2008,"discrimination":0.004479398673070138,"irt_loglikelihood":-790.8014307152314,"irt_users":7690,"is_experimental":false},"abc308_h":{"slope":-0.00011535484543478602,"intercept":8.23639970491474,"variance":0.10447999024808538,"difficulty":2861,"discrimination":0.004479398673070138,"irt_loglikelihood":-117.02259414857446,"irt_users":7690,"is_experimental":false},"arc163_a":{"slope":-0.0008862943825012457,"intercept":8.078280878352018,"variance":0.6582704043678607,"difficulty":373,"discrimination":0.004479398673070138,"irt_loglikelihood":-1294.0218046633354,"irt_users":2741,"is_experimental":false},"arc163_b":{"slope":-0.0009030941063075692,"intercept":8.344441344829283,"variance":0.6260751622613675,"difficulty":936,"discrimination":0.004479398673070138,"irt_loglikelihood":-1273.513948331097,"irt_users":2741,"is_experimental":false},"arc163_c":{"slope":-0.0004711291120741166,"intercept":8.640265067052484,"variance":0.3402389205522878,"difficulty":1711,"discrimination":0.004479398673070138,"irt_loglikelihood":-1197.616261183705,"irt_users":2741,"is_experimental":false},"arc163_d":{"slope":-0.00047771101891898885,"intercept":8.850462540269316,"variance":0.40611192129204055,"difficulty":2581,"discrimination":0.004479398673070138,"irt_loglikelihood":-250.03385156861245,"irt_users":2741,"is_experimental":false},"arc163_e":{"difficulty":3338,"discrimination":0.004479398673070138,"irt_loglikelihood":-37.20891025402514,"irt_users":2741,"is_experimental":false},"arc163_f":{"difficulty":3295,"discrimination":0.004479398673070138,"irt_loglikelihood":-55.756069361634616,"irt_users":2741,"is_experimental":false},"abc309_a":{"slope":-0.0006027151942255727,"intercept":6.543497501105457,"variance":0.8998351231082851,"difficulty":-756,"discrimination":0.004479398673070138,"irt_loglikelihood":-843.1604298058292,"irt_users":6898,"is_experimental":false},"abc309_b":{"slope":-0.0008468155034925792,"intercept":7.494004425561749,"variance":0.3155242730042654,"difficulty":-68,"discrimination":0.004479398673070138,"irt_loglikelihood":-2292.5016363818418,"irt_users":6898,"is_experimental":false},"abc309_c":{"slope":-0.0009817538107357658,"intercept":7.694282576953623,"variance":0.3915168295003685,"difficulty":344,"discrimination":0.004479398673070138,"irt_loglikelihood":-3525.5899292930626,"irt_users":7939,"is_experimental":false},"abc309_d":{"slope":-0.0009095062242342726,"intercept":7.809279007888557,"variance":0.26929674943508225,"difficulty":621,"discrimination":0.004479398673070138,"irt_loglikelihood":-3040.6740630883146,"irt_users":7939,"is_experimental":false},"abc309_e":{"slope":-0.0008142323637108594,"intercept":7.937783411755006,"variance":0.3975267677117263,"difficulty":957,"discrimination":0.004479398673070138,"irt_loglikelihood":-2467.120706143421,"irt_users":7939,"is_experimental":false},"abc309_f":{"slope":-0.0006458061107009537,"intercept":8.598382769955931,"variance":0.3513768831927971,"difficulty":1619,"discrimination":0.004479398673070138,"irt_loglikelihood":-1198.610107018235,"irt_users":7939,"is_experimental":false},"abc309_g":{"slope":-0.00047576218009031973,"intercept":8.516638466010242,"variance":0.31921046807355935,"difficulty":2372,"discrimination":0.004479398673070138,"irt_loglikelihood":-305.51878141976306,"irt_users":7939,"is_experimental":false},"abc309_h":{"slope":-0.000384560467063401,"intercept":8.543691736626496,"variance":0.2132498407267156,"difficulty":3029,"discrimination":0.004479398673070138,"irt_loglikelihood":-57.27049392684686,"irt_users":7939,"is_experimental":false},"arc164_a":{"slope":-0.001033573391464954,"intercept":8.251726172122929,"variance":0.6740035151334246,"difficulty":532,"discrimination":0.004479398673070138,"irt_loglikelihood":-1388.3935051632386,"irt_users":2820,"is_experimental":false},"arc164_b":{"slope":-0.000712266868834166,"intercept":8.51342262552851,"variance":0.46171708583586396,"difficulty":1189,"discrimination":0.004479398673070138,"irt_loglikelihood":-1505.2076464702648,"irt_users":2820,"is_experimental":false},"arc164_c":{"slope":-0.0005493591425592574,"intercept":8.208043012003317,"variance":0.45432401672715444,"difficulty":1199,"discrimination":0.004479398673070138,"irt_loglikelihood":-1317.2033295220758,"irt_users":2820,"is_experimental":false},"arc164_d":{"slope":-0.0005793394432491559,"intercept":8.818464572797515,"variance":0.238790732573879,"difficulty":1963,"discrimination":0.004479398673070138,"irt_loglikelihood":-634.4123012970588,"irt_users":2820,"is_experimental":false},"arc164_e":{"slope":-0.00026207739361179587,"intercept":8.704137583487999,"variance":0.13557542831069694,"difficulty":2651,"discrimination":0.004479398673070138,"irt_loglikelihood":-226.18506100736332,"irt_users":2820,"is_experimental":false},"arc164_f":{"slope":-0.0006005234722952311,"intercept":9.624856684786419,"variance":0.13702469771252976,"difficulty":3486,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.920071230697786,"irt_users":2820,"is_experimental":false},"abc310_a":{"slope":-0.0008127491253947645,"intercept":6.299785706876653,"variance":0.8241512587959029,"difficulty":-749,"discrimination":0.004479398673070138,"irt_loglikelihood":-841.8021604867348,"irt_users":6786,"is_experimental":false},"abc310_b":{"slope":-0.0008861036034995868,"intercept":7.814348433668534,"variance":0.3302312060973741,"difficulty":171,"discrimination":0.004479398673070138,"irt_loglikelihood":-2839.7230148592585,"irt_users":6786,"is_experimental":false},"abc310_c":{"slope":-0.0010598412590834916,"intercept":7.468741655867449,"variance":0.647850621932805,"difficulty":245,"discrimination":0.004479398673070138,"irt_loglikelihood":-3643.26653678489,"irt_users":7765,"is_experimental":false},"abc310_d":{"slope":-0.0007913928598473836,"intercept":8.439106696743222,"variance":0.3240547016237225,"difficulty":1368,"discrimination":0.004479398673070138,"irt_loglikelihood":-2062.4826587470725,"irt_users":7765,"is_experimental":false},"abc310_e":{"slope":-0.000869882104902027,"intercept":8.475758566762398,"variance":0.4446199766473292,"difficulty":1261,"discrimination":0.004479398673070138,"irt_loglikelihood":-2270.317979268543,"irt_users":7765,"is_experimental":false},"abc310_f":{"slope":-0.0007274851030327072,"intercept":8.585024695361462,"variance":0.3539511197743197,"difficulty":1938,"discrimination":0.004479398673070138,"irt_loglikelihood":-723.6645961656997,"irt_users":7765,"is_experimental":false},"abc310_g":{"slope":-0.000481061387008055,"intercept":8.97492926396936,"variance":0.1452729387303245,"difficulty":2696,"discrimination":0.004479398673070138,"irt_loglikelihood":-138.8878525665857,"irt_users":7765,"is_experimental":false},"abc310_h":{"slope":-0.00014975571054405142,"intercept":8.300380520506275,"variance":0.28923282365100506,"difficulty":3343,"discrimination":0.004479398673070138,"irt_loglikelihood":-22.510758211448756,"irt_users":7765,"is_experimental":false},"abc311_a":{"slope":-0.001044363953922353,"intercept":6.640658636206723,"variance":0.9869030103075068,"difficulty":-876,"discrimination":0.004479398673070138,"irt_loglikelihood":-587.800421525705,"irt_users":7442,"is_experimental":false},"abc311_b":{"slope":-0.000937292696452931,"intercept":6.876442863581132,"variance":0.5663254291475353,"difficulty":-312,"discrimination":0.004479398673070138,"irt_loglikelihood":-1521.0805373009143,"irt_users":7442,"is_experimental":false},"abc311_c":{"slope":-0.0008619700268420163,"intercept":7.7961289652606744,"variance":0.529321753950036,"difficulty":448,"discrimination":0.004479398673070138,"irt_loglikelihood":-4389.23338053869,"irt_users":9464,"is_experimental":false},"abc311_d":{"slope":-0.0007900264473726053,"intercept":8.11884569042245,"variance":0.277962402207074,"difficulty":885,"discrimination":0.004479398673070138,"irt_loglikelihood":-3489.3746759791557,"irt_users":9464,"is_experimental":false},"abc311_e":{"slope":-0.0005120331336725627,"intercept":7.891025851848303,"variance":0.43222952783927315,"difficulty":1293,"discrimination":0.004479398673070138,"irt_loglikelihood":-2524.7597371247607,"irt_users":9464,"is_experimental":false},"abc311_f":{"slope":-0.0006092920057823148,"intercept":8.506983527116768,"variance":0.2753804450217564,"difficulty":1984,"discrimination":0.004479398673070138,"irt_loglikelihood":-789.7713769537265,"irt_users":9464,"is_experimental":false},"abc311_g":{"slope":-0.0003860948460250587,"intercept":8.179594801433142,"variance":0.4045216484613533,"difficulty":2265,"discrimination":0.004479398673070138,"irt_loglikelihood":-501.3332279617427,"irt_users":9464,"is_experimental":false},"abc311_h":{"difficulty":3605,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.881187185515051,"irt_users":9464,"is_experimental":false},"abc312_a":{"slope":-0.0007834400823020198,"intercept":6.217569349938055,"variance":0.9565347340578513,"difficulty":-990,"discrimination":0.004479398673070138,"irt_loglikelihood":-411.00883622724876,"irt_users":6991,"is_experimental":false},"abc312_b":{"slope":-0.000851464682636464,"intercept":7.76707680663359,"variance":0.2533141167899109,"difficulty":153,"discrimination":0.004479398673070138,"irt_loglikelihood":-2748.519689633824,"irt_users":6991,"is_experimental":false},"abc312_c":{"slope":-0.0008116556240452838,"intercept":7.919095923788299,"variance":0.5503170153003003,"difficulty":727,"discrimination":0.004479398673070138,"irt_loglikelihood":-4315.843141180179,"irt_users":8468,"is_experimental":false},"abc312_d":{"slope":-0.0011175539409502948,"intercept":8.090684460567036,"variance":0.5092165936308545,"difficulty":964,"discrimination":0.004479398673070138,"irt_loglikelihood":-3018.187442146184,"irt_users":8468,"is_experimental":false},"abc312_e":{"slope":-0.0005325923207520714,"intercept":8.214656401534329,"variance":0.27478394260234273,"difficulty":2047,"discrimination":0.004479398673070138,"irt_loglikelihood":-869.5297887678488,"irt_users":8468,"is_experimental":false},"abc312_f":{"slope":-0.0005313134839869436,"intercept":8.439555492541565,"variance":0.2937012868980314,"difficulty":1534,"discrimination":0.004479398673070138,"irt_loglikelihood":-1596.3361303896806,"irt_users":8468,"is_experimental":false},"abc312_g":{"slope":-0.0006132929601805602,"intercept":8.181918408908402,"variance":0.392831093572053,"difficulty":1819,"discrimination":0.004479398673070138,"irt_loglikelihood":-1096.9522649561213,"irt_users":8468,"is_experimental":false},"abc312_h":{"slope":-0.00032390849803955516,"intercept":8.209251840665077,"variance":0.2889985988883435,"difficulty":2477,"discrimination":0.004479398673070138,"irt_loglikelihood":-221.38694190734756,"irt_users":8468,"is_experimental":false},"agc063_a":{"slope":-0.0007020877547263815,"intercept":8.19674930806325,"variance":0.5366974828195514,"difficulty":952,"discrimination":0.004479398673070138,"irt_loglikelihood":-514.4154972966891,"irt_users":1271,"is_experimental":false},"agc063_b":{"slope":-0.0006676557840442772,"intercept":9.28554714468215,"variance":0.5250522759373673,"difficulty":1663,"discrimination":0.004479398673070138,"irt_loglikelihood":-728.6811104114506,"irt_users":1271,"is_experimental":false},"agc063_c":{"slope":-0.0005801517361725264,"intercept":9.923192709012467,"variance":0.20985075676863008,"difficulty":2500,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.5306249585374,"irt_users":1271,"is_experimental":false},"agc063_d":{"slope":-0.00026465119386305503,"intercept":9.465437286294058,"variance":0.17665509924050662,"difficulty":3609,"discrimination":0.004479398673070138,"irt_loglikelihood":-35.74455342965168,"irt_users":1271,"is_experimental":false},"agc063_e":{"difficulty":3700,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.81744618318884,"irt_users":1271,"is_experimental":false},"agc063_f":{"difficulty":4273,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.9804955567504887,"irt_users":1271,"is_experimental":false},"abc313_a":{"slope":-0.0009475044393207119,"intercept":6.852720312468574,"variance":0.7627332376223812,"difficulty":-524,"discrimination":0.004479398673070138,"irt_loglikelihood":-1163.802501892363,"irt_users":6923,"is_experimental":false},"abc313_b":{"slope":-0.0008330608341745526,"intercept":7.298184776702167,"variance":0.6983932474361061,"difficulty":147,"discrimination":0.004479398673070138,"irt_loglikelihood":-2902.8260279669803,"irt_users":6923,"is_experimental":false},"abc313_c":{"slope":-0.000889594667491395,"intercept":7.956942876654683,"variance":0.5893818043953888,"difficulty":681,"discrimination":0.004479398673070138,"irt_loglikelihood":-4294.690172333001,"irt_users":8464,"is_experimental":false},"abc313_d":{"slope":-0.0004782044724923186,"intercept":8.530285038602527,"variance":0.25566467109149577,"difficulty":1630,"discrimination":0.004479398673070138,"irt_loglikelihood":-1856.6795930779724,"irt_users":8464,"is_experimental":false},"abc313_e":{"slope":-0.00042321943789328464,"intercept":8.34072407161508,"variance":0.2881733182209394,"difficulty":1672,"discrimination":0.004479398673070138,"irt_loglikelihood":-1838.0912911836465,"irt_users":8464,"is_experimental":false},"abc313_f":{"slope":-0.0002727906643364346,"intercept":8.56612770257775,"variance":0.21867860191736985,"difficulty":3100,"discrimination":0.004479398673070138,"irt_loglikelihood":-65.64972100076618,"irt_users":8464,"is_experimental":false},"abc313_g":{"slope":-0.0006457738727245827,"intercept":8.970683668864305,"variance":0.23393003312384686,"difficulty":2454,"discrimination":0.004479398673070138,"irt_loglikelihood":-251.69478865750534,"irt_users":8464,"is_experimental":false},"abc313_h":{"slope":-0.00043481968509835936,"intercept":8.41449798111983,"variance":0.21147750199552925,"difficulty":3008,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.77568454505864,"irt_users":8464,"is_experimental":false},"abc314_a":{"slope":-0.0009413508622166814,"intercept":6.3533123072505955,"variance":1.041756676244799,"difficulty":-630,"discrimination":0.004479398673070138,"irt_loglikelihood":-846.5992655003474,"irt_users":6748,"is_experimental":false},"abc314_b":{"slope":-0.0008353507640174605,"intercept":7.426911372206082,"variance":0.3624830455544839,"difficulty":-34,"discrimination":0.004479398673070138,"irt_loglikelihood":-2069.374243992674,"irt_users":6748,"is_experimental":false},"abc314_c":{"slope":-0.0008267535156773064,"intercept":7.505434840947917,"variance":0.3821741674697818,"difficulty":337,"discrimination":0.004479398673070138,"irt_loglikelihood":-3806.853538309224,"irt_users":8274,"is_experimental":false},"abc314_d":{"slope":-0.0006620234427220066,"intercept":7.796379099116556,"variance":0.29901945963382587,"difficulty":585,"discrimination":0.004479398673070138,"irt_loglikelihood":-3810.29026161354,"irt_users":8274,"is_experimental":false},"abc314_e":{"slope":-0.0008392694339827284,"intercept":8.764384523638592,"variance":0.24350872660652786,"difficulty":1722,"discrimination":0.004479398673070138,"irt_loglikelihood":-1125.6889733120663,"irt_users":8274,"is_experimental":false},"abc314_f":{"slope":-0.0006592955598966727,"intercept":8.601414159133814,"variance":0.23247972229754135,"difficulty":1736,"discrimination":0.004479398673070138,"irt_loglikelihood":-1186.2133683696502,"irt_users":8274,"is_experimental":false},"abc314_g":{"slope":-0.0004197335835521759,"intercept":8.503744063218644,"variance":0.2342312959433538,"difficulty":2301,"discrimination":0.004479398673070138,"irt_loglikelihood":-417.00984987150224,"irt_users":8274,"is_experimental":false},"abc314_h":{"difficulty":2938,"discrimination":0.004479398673070138,"irt_loglikelihood":-89.93856066506413,"irt_users":8274,"is_experimental":false},"agc064_a":{"slope":-0.0006477983342230523,"intercept":8.680861025584333,"variance":0.31839019424709875,"difficulty":996,"discrimination":0.004479398673070138,"irt_loglikelihood":-425.0438431237549,"irt_users":1199,"is_experimental":false},"agc064_b":{"slope":-0.0007632632590054006,"intercept":9.627645565697772,"variance":0.27876867915519654,"difficulty":1787,"discrimination":0.004479398673070138,"irt_loglikelihood":-546.0527476643368,"irt_users":1199,"is_experimental":false},"agc064_c":{"slope":-0.000412966771910113,"intercept":9.516345329642391,"variance":0.1587140060897297,"difficulty":2932,"discrimination":0.004479398673070138,"irt_loglikelihood":-145.69870405113244,"irt_users":1199,"is_experimental":false},"agc064_d":{"slope":-0.000502776322177451,"intercept":9.776901405472124,"variance":0.1705052874267704,"difficulty":2808,"discrimination":0.004479398673070138,"irt_loglikelihood":-168.1792495100734,"irt_users":1199,"is_experimental":false},"agc064_e":{"difficulty":4069,"discrimination":0.004479398673070138,"irt_loglikelihood":-6.695635432557623,"irt_users":1199,"is_experimental":false},"agc064_f":{"is_experimental":false},"abc315_a":{"slope":-0.00105558882573008,"intercept":6.39713834310924,"variance":1.1567150385445362,"difficulty":-997,"discrimination":0.004479398673070138,"irt_loglikelihood":-390.6286207367503,"irt_users":6654,"is_experimental":false},"abc315_b":{"slope":-0.0007740582928092885,"intercept":6.614643568094953,"variance":0.659023969704663,"difficulty":-470,"discrimination":0.004479398673070138,"irt_loglikelihood":-1155.3244594987427,"irt_users":6654,"is_experimental":false},"abc315_c":{"slope":-0.0008082914921296243,"intercept":7.484278338443618,"variance":0.4476569203074089,"difficulty":312,"discrimination":0.004479398673070138,"irt_loglikelihood":-4506.326259888609,"irt_users":8572,"is_experimental":false},"abc315_d":{"slope":-0.0005460625936818947,"intercept":8.401452232839114,"variance":0.21949164701494586,"difficulty":1531,"discrimination":0.004479398673070138,"irt_loglikelihood":-1935.1920967194214,"irt_users":8572,"is_experimental":false},"abc315_e":{"slope":-0.000560226542205473,"intercept":8.117225943802282,"variance":0.4220909474168214,"difficulty":921,"discrimination":0.004479398673070138,"irt_loglikelihood":-3666.9855413862037,"irt_users":8572,"is_experimental":false},"abc315_f":{"slope":-0.0007870769803987169,"intercept":8.576857728675648,"variance":0.292730021715441,"difficulty":1674,"discrimination":0.004479398673070138,"irt_loglikelihood":-1178.0978583080762,"irt_users":8572,"is_experimental":false},"abc315_g":{"slope":-0.00034198569713114497,"intercept":8.395358636917674,"variance":0.24399980836085305,"difficulty":2315,"discrimination":0.004479398673070138,"irt_loglikelihood":-377.0206213156649,"irt_users":8572,"is_experimental":false},"abc315_h":{"slope":-0.00007422193427341215,"intercept":7.43116387640685,"variance":0.6016505591238007,"difficulty":2807,"discrimination":0.004479398673070138,"irt_loglikelihood":-98.18344511740645,"irt_users":8572,"is_experimental":false},"ahc022_a":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.899159543924149,"irt_users":881,"is_experimental":false},"ahc022_b":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.899159543924149,"irt_users":881,"is_experimental":false},"abc317_a":{"slope":-0.0007743274021607886,"intercept":6.3311309546487555,"variance":0.7101780792482058,"difficulty":-942,"discrimination":0.004479398673070138,"irt_loglikelihood":-383.84559365862566,"irt_users":6723,"is_experimental":false},"abc317_b":{"slope":-0.0007485075355435528,"intercept":6.0730594548708545,"variance":0.3705041463385673,"difficulty":-764,"discrimination":0.004479398673070138,"irt_loglikelihood":-544.65264855978,"irt_users":6723,"is_experimental":false},"abc317_c":{"slope":-0.0008237236903770982,"intercept":7.671429229645229,"variance":0.5220642076005173,"difficulty":604,"discrimination":0.004479398673070138,"irt_loglikelihood":-4486.8392742994865,"irt_users":7974,"is_experimental":false},"abc317_d":{"slope":-0.0009418296311406121,"intercept":8.36758076989309,"variance":0.3091469172080913,"difficulty":929,"discrimination":0.004479398673070138,"irt_loglikelihood":-3050.487009577814,"irt_users":7974,"is_experimental":false},"abc317_e":{"slope":-0.0005520239085930971,"intercept":8.107893608390839,"variance":0.21125208310453475,"difficulty":1085,"discrimination":0.004479398673070138,"irt_loglikelihood":-2870.504587709503,"irt_users":7974,"is_experimental":false},"abc317_f":{"slope":-0.0005697407989219988,"intercept":8.708510549893072,"variance":0.19088406834797558,"difficulty":2072,"discrimination":0.004479398673070138,"irt_loglikelihood":-700.5132663134428,"irt_users":7974,"is_experimental":false},"abc317_g":{"slope":-0.0005485946591389315,"intercept":8.453893467519698,"variance":0.4475329949026843,"difficulty":2649,"discrimination":0.004479398673070138,"irt_loglikelihood":-195.90051105035627,"irt_users":7974,"is_experimental":false},"abc317_h":{"slope":-0.0008602356174685921,"intercept":10.561846252849818,"variance":0.05273693162930762,"difficulty":3426,"discrimination":0.004479398673070138,"irt_loglikelihood":-26.053799408352482,"irt_users":7974,"is_experimental":false},"abc318_a":{"slope":-0.001113789270761841,"intercept":6.804722974026886,"variance":1.0327694533176546,"difficulty":-934,"discrimination":0.004479398673070138,"irt_loglikelihood":-798.6800769032144,"irt_users":8032,"is_experimental":false},"abc318_b":{"slope":-0.0007386176776390762,"intercept":6.785482258318107,"variance":0.6293637881829496,"difficulty":-152,"discrimination":0.004479398673070138,"irt_loglikelihood":-2955.9622490231327,"irt_users":8032,"is_experimental":false},"abc318_c":{"slope":-0.0009935182316467741,"intercept":7.656112059308222,"variance":0.3800718354735571,"difficulty":400,"discrimination":0.004479398673070138,"irt_loglikelihood":-5361.104664700504,"irt_users":10564,"is_experimental":false},"abc318_d":{"slope":-0.000835279506457956,"intercept":7.971929205432182,"variance":0.46834226304798665,"difficulty":1017,"discrimination":0.004479398673070138,"irt_loglikelihood":-3392.120754725271,"irt_users":10564,"is_experimental":false},"abc318_e":{"slope":-0.0009933960801293419,"intercept":8.315320673024136,"variance":0.46979854445967717,"difficulty":1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-3074.906805759529,"irt_users":10564,"is_experimental":false},"abc318_f":{"slope":-0.000587231350802542,"intercept":8.660621541825975,"variance":0.3163821162782525,"difficulty":2009,"discrimination":0.004479398673070138,"irt_loglikelihood":-808.6808338321837,"irt_users":10564,"is_experimental":false},"abc318_g":{"slope":-0.0007118175451135952,"intercept":8.841966842485578,"variance":0.3324737078291539,"difficulty":2260,"discrimination":0.004479398673070138,"irt_loglikelihood":-563.8102710921108,"irt_users":10564,"is_experimental":false},"abc318_h":{"slope":-0.0002469484143428584,"intercept":8.16699606458211,"variance":0.3240440030320176,"difficulty":2785,"discrimination":0.004479398673070138,"irt_loglikelihood":-127.56842856302902,"irt_users":10564,"is_experimental":false},"wtf22_day1_a":{"slope":-0.0006493084440808033,"intercept":9.247472167015532,"variance":0.7474041875849401,"difficulty":1246,"discrimination":0.004479398673070138,"irt_loglikelihood":-139.2250404743207,"irt_users":312,"is_experimental":false},"wtf22_day1_b":{"slope":-0.00031198526808670537,"intercept":10.021702837508792,"variance":0.1082654084229068,"difficulty":2945,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.43506007257861,"irt_users":312,"is_experimental":false},"wtf22_day1_c":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.6288568743743337,"irt_users":312,"is_experimental":false},"wtf22_day1_d":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.882745060144474,"irt_users":312,"is_experimental":false},"wtf22_day1_e":{"difficulty":3884,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.0279790752185685,"irt_users":312,"is_experimental":false},"abc319_a":{"slope":-0.000904217122485529,"intercept":6.767937382946049,"variance":0.7530094190970039,"difficulty":-1069,"discrimination":0.004479398673070138,"irt_loglikelihood":-656.2127647467198,"irt_users":8554,"is_experimental":false},"abc319_b":{"slope":-0.0005459931713262937,"intercept":6.683013867736277,"variance":0.8216291579261374,"difficulty":-299,"discrimination":0.004479398673070138,"irt_loglikelihood":-2808.12980818818,"irt_users":8554,"is_experimental":false},"abc319_c":{"slope":-0.0008080363625082045,"intercept":8.364967378067698,"variance":0.24891279305643935,"difficulty":1111,"discrimination":0.004479398673070138,"irt_loglikelihood":-3323.5268715645857,"irt_users":10983,"is_experimental":false},"abc319_d":{"slope":-0.00023290127897340792,"intercept":7.447014908660905,"variance":0.6360906307968174,"difficulty":631,"discrimination":0.004479398673070138,"irt_loglikelihood":-7381.0320501091555,"irt_users":10983,"is_experimental":false},"abc319_e":{"slope":-0.0006837813628260566,"intercept":8.187279589015898,"variance":0.2858736649755378,"difficulty":1353,"discrimination":0.004479398673070138,"irt_loglikelihood":-2112.3999455827284,"irt_users":10983,"is_experimental":false},"abc319_f":{"slope":-0.00020741719495710796,"intercept":8.324215675268281,"variance":0.19981955483956534,"difficulty":2480,"discrimination":0.004479398673070138,"irt_loglikelihood":-293.31615073705984,"irt_users":10983,"is_experimental":false},"abc319_g":{"slope":-0.000423478637444666,"intercept":8.401133813221785,"variance":0.3030015507322872,"difficulty":2185,"discrimination":0.004479398673070138,"irt_loglikelihood":-580.6508988051896,"irt_users":10983,"is_experimental":false},"wtf22_day2_a":{"slope":-0.00025881203535477843,"intercept":9.397668982928238,"variance":0.17488083438496954,"is_experimental":false},"wtf22_day2_b":{"slope":-0.0012033399525893135,"intercept":13.462721280970424,"variance":0.03201980287226231,"is_experimental":false},"wtf22_day2_c":{"is_experimental":false},"wtf22_day2_d":{"is_experimental":false},"wtf22_day2_e":{"is_experimental":false},"asprocon10_a":{"difficulty":3667,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.999747863643277,"irt_users":745,"is_experimental":false},"asprocon10_b":{"difficulty":3667,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.999747863643277,"irt_users":745,"is_experimental":false},"abc320_a":{"slope":-0.00107017083164908,"intercept":6.324472956766828,"variance":1.4310122546617832,"difficulty":-1061,"discrimination":0.004479398673070138,"irt_loglikelihood":-518.3864992414387,"irt_users":8006,"is_experimental":false},"abc320_b":{"slope":-0.000731865630082085,"intercept":6.565080038978837,"variance":1.0797644922898877,"difficulty":-225,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.7462148747654,"irt_users":8006,"is_experimental":false},"abc320_c":{"slope":-0.0008556073090354528,"intercept":8.253739205161342,"variance":0.31356850861915847,"difficulty":851,"discrimination":0.004479398673070138,"irt_loglikelihood":-4326.452951620184,"irt_users":10478,"is_experimental":false},"abc320_d":{"slope":-0.0009319718844723775,"intercept":8.205688815036813,"variance":0.364855150862846,"difficulty":873,"discrimination":0.004479398673070138,"irt_loglikelihood":-3626.059123291624,"irt_users":10478,"is_experimental":false},"abc320_e":{"slope":-0.0007242941242798165,"intercept":7.869559875573299,"variance":0.27997750133485527,"difficulty":1096,"discrimination":0.004479398673070138,"irt_loglikelihood":-2571.849160131308,"irt_users":10478,"is_experimental":false},"abc320_f":{"slope":-0.0006034584668266827,"intercept":8.868386006935,"variance":0.215198013979193,"difficulty":2042,"discrimination":0.004479398673070138,"irt_loglikelihood":-655.1195861243555,"irt_users":10478,"is_experimental":false},"abc320_g":{"slope":-0.000415385486098052,"intercept":8.66462065961332,"variance":0.3887037255488628,"difficulty":2575,"discrimination":0.004479398673070138,"irt_loglikelihood":-249.05226650124555,"irt_users":10478,"is_experimental":false},"arc165_a":{"slope":-0.000946278520835247,"intercept":8.096232998734616,"variance":0.5442757074340802,"difficulty":275,"discrimination":0.004479398673070138,"irt_loglikelihood":-683.0275024502188,"irt_users":2350,"is_experimental":false},"arc165_b":{"slope":-0.0004740464074182749,"intercept":8.64116914409887,"variance":0.37770347847633867,"difficulty":1364,"discrimination":0.004479398673070138,"irt_loglikelihood":-1256.2569364165845,"irt_users":2350,"is_experimental":false},"arc165_c":{"slope":-0.0007068194287820215,"intercept":9.019448953252068,"variance":0.30614375382966025,"difficulty":1743,"discrimination":0.004479398673070138,"irt_loglikelihood":-730.6356831584535,"irt_users":2350,"is_experimental":false},"arc165_d":{"slope":-0.0003372634512415862,"intercept":8.690336111279198,"variance":0.2472142417471077,"difficulty":2589,"discrimination":0.004479398673070138,"irt_loglikelihood":-239.82326390234624,"irt_users":2350,"is_experimental":false},"arc165_e":{"slope":-0.0003636021869254352,"intercept":8.708548446048127,"variance":0.180399365655429,"difficulty":2783,"discrimination":0.004479398673070138,"irt_loglikelihood":-156.04662005785562,"irt_users":2350,"is_experimental":false},"arc165_f":{"slope":-0.0004451344317012678,"intercept":8.924852792184144,"variance":0.06332647658230457,"difficulty":3235,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.154344258153365,"irt_users":2350,"is_experimental":false},"abc321_a":{"slope":-0.0011890929342521946,"intercept":6.997032282833449,"variance":1.0145708560196387,"difficulty":-754,"discrimination":0.004479398673070138,"irt_loglikelihood":-948.610391418264,"irt_users":8446,"is_experimental":false},"abc321_b":{"slope":-0.0008482751146214217,"intercept":7.276371398708581,"variance":0.7427823893440602,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-3645.0789952860478,"irt_users":8446,"is_experimental":false},"abc321_c":{"slope":-0.00030299191431255873,"intercept":7.164969269025851,"variance":0.9863922034874972,"difficulty":591,"discrimination":0.004479398673070138,"irt_loglikelihood":-7033.354553449338,"irt_users":11118,"is_experimental":false},"abc321_d":{"slope":-0.0010058229556358725,"intercept":8.087452273868054,"variance":0.378757991938594,"difficulty":806,"discrimination":0.004479398673070138,"irt_loglikelihood":-4004.747952695459,"irt_users":11118,"is_experimental":false},"abc321_e":{"slope":-0.000596530431083037,"intercept":8.590560320007386,"variance":0.27716172895946045,"difficulty":1627,"discrimination":0.004479398673070138,"irt_loglikelihood":-1514.213041153945,"irt_users":11118,"is_experimental":false},"abc321_f":{"slope":-0.0005361882197964022,"intercept":7.871406771395527,"variance":0.6009252455627371,"difficulty":1645,"discrimination":0.004479398673070138,"irt_loglikelihood":-1727.945762543273,"irt_users":11118,"is_experimental":false},"abc321_g":{"slope":-0.0004348753660021967,"intercept":8.544540981739033,"variance":0.2281521201035115,"difficulty":2439,"discrimination":0.004479398673070138,"irt_loglikelihood":-281.8475237412755,"irt_users":11118,"is_experimental":false},"ahc024_a":{"difficulty":3660,"discrimination":0.004479398673070138,"irt_loglikelihood":-7.857162103263944,"irt_users":648,"is_experimental":false},"abc322_a":{"slope":-0.0010970803023707314,"intercept":6.6947456246480455,"variance":0.9717559364918601,"difficulty":-992,"discrimination":0.004479398673070138,"irt_loglikelihood":-538.5701816538505,"irt_users":8360,"is_experimental":false},"abc322_b":{"slope":-0.0005725970959382159,"intercept":6.2488516031140255,"variance":0.7794068261331127,"difficulty":-398,"discrimination":0.004479398673070138,"irt_loglikelihood":-1793.088346750511,"irt_users":8360,"is_experimental":false},"abc322_c":{"slope":-0.0007423238170598777,"intercept":6.488163523695641,"variance":0.7466076803352406,"difficulty":-56,"discrimination":0.004479398673070138,"irt_loglikelihood":-4711.604016790201,"irt_users":10990,"is_experimental":false},"abc322_d":{"slope":-0.0006749674136279097,"intercept":8.644192862398052,"variance":0.1903440575711625,"difficulty":1310,"discrimination":0.004479398673070138,"irt_loglikelihood":-2733.571203891571,"irt_users":10990,"is_experimental":false},"abc322_e":{"slope":-0.0008645765266316203,"intercept":8.68940617032198,"variance":0.2775475642086059,"difficulty":1193,"discrimination":0.004479398673070138,"irt_loglikelihood":-2509.500954196756,"irt_users":10990,"is_experimental":false},"abc322_f":{"slope":-0.00030460487801424436,"intercept":7.867036461089769,"variance":0.3882434001624257,"difficulty":1806,"discrimination":0.004479398673070138,"irt_loglikelihood":-1616.5845289527833,"irt_users":10990,"is_experimental":false},"abc322_g":{"slope":-0.0003721711375347483,"intercept":8.850627663713759,"variance":0.1670358643321344,"difficulty":2876,"discrimination":0.004479398673070138,"irt_loglikelihood":-94.48632509841691,"irt_users":10990,"is_experimental":false},"abc323_a":{"slope":-0.001129802495982943,"intercept":6.718764393912901,"variance":0.9670916546563222,"difficulty":-921,"discrimination":0.004479398673070138,"irt_loglikelihood":-633.4379117603348,"irt_users":8553,"is_experimental":false},"abc323_b":{"slope":-0.0005166124260202346,"intercept":6.282010404524927,"variance":1.134796265735311,"difficulty":-267,"discrimination":0.004479398673070138,"irt_loglikelihood":-2196.189549594299,"irt_users":8553,"is_experimental":false},"abc323_c":{"slope":-0.0006700089030341895,"intercept":7.640998468536724,"variance":0.4037485620581771,"difficulty":354,"discrimination":0.004479398673070138,"irt_loglikelihood":-6042.498384636226,"irt_users":11410,"is_experimental":false},"abc323_d":{"slope":-0.0008221423948626651,"intercept":7.938273551127317,"variance":0.5170625552842414,"difficulty":852,"discrimination":0.004479398673070138,"irt_loglikelihood":-4003.52992777555,"irt_users":11410,"is_experimental":false},"abc323_e":{"slope":-0.0009665006158803834,"intercept":8.539534170958476,"variance":0.3426631170785864,"difficulty":1279,"discrimination":0.004479398673070138,"irt_loglikelihood":-2074.9799921472136,"irt_users":11410,"is_experimental":false},"abc323_f":{"slope":-0.000445564755534733,"intercept":8.244301598936646,"variance":0.2371541705405186,"difficulty":1532,"discrimination":0.004479398673070138,"irt_loglikelihood":-1658.7525920681014,"irt_users":11410,"is_experimental":false},"abc323_g":{"slope":-0.001346301465885907,"intercept":10.935437264025548,"variance":0.745143910241938,"difficulty":3091,"discrimination":0.004479398673070138,"irt_loglikelihood":-45.78692978486767,"irt_users":11410,"is_experimental":false},"arc166_a":{"slope":-0.0008561902211853834,"intercept":8.895596360329229,"variance":0.31483101163860466,"difficulty":1126,"discrimination":0.004479398673070138,"irt_loglikelihood":-1110.8329766899897,"irt_users":2143,"is_experimental":false},"arc166_b":{"slope":-0.001109514562036497,"intercept":9.266868301583177,"variance":0.425748730093293,"difficulty":1134,"discrimination":0.004479398673070138,"irt_loglikelihood":-912.7816792992835,"irt_users":2143,"is_experimental":false},"arc166_c":{"slope":-0.0005695430160278424,"intercept":8.592469046624894,"variance":0.2743142507508984,"difficulty":1813,"discrimination":0.004479398673070138,"irt_loglikelihood":-720.7937784382059,"irt_users":2143,"is_experimental":false},"arc166_d":{"slope":-0.00037822848384506925,"intercept":8.254748248111657,"variance":0.3185762102248008,"difficulty":2192,"discrimination":0.004479398673070138,"irt_loglikelihood":-437.78525209141844,"irt_users":2143,"is_experimental":false},"arc166_e":{"slope":-0.00024041334205295088,"intercept":8.879391170337989,"variance":0.09821278832107723,"difficulty":3279,"discrimination":0.004479398673070138,"irt_loglikelihood":-42.24740867865782,"irt_users":2143,"is_experimental":false},"arc166_f":{"difficulty":3692,"discrimination":0.004479398673070138,"irt_loglikelihood":-13.941456878354924,"irt_users":2143,"is_experimental":false},"abc324_a":{"slope":-0.001248650700865956,"intercept":6.3941869194127205,"variance":1.0973516504959873,"difficulty":-922,"discrimination":0.004479398673070138,"irt_loglikelihood":-463.22442066781804,"irt_users":7649,"is_experimental":false},"abc324_b":{"slope":-0.0011397865253849867,"intercept":6.537574787646014,"variance":0.9773050772534505,"difficulty":-193,"discrimination":0.004479398673070138,"irt_loglikelihood":-2112.036506464906,"irt_users":7649,"is_experimental":false},"abc324_c":{"slope":-0.0007555376138301232,"intercept":8.101753470014135,"variance":0.3585178869954466,"difficulty":637,"discrimination":0.004479398673070138,"irt_loglikelihood":-4717.485869206719,"irt_users":9512,"is_experimental":false},"abc324_d":{"slope":-0.0007985794676276744,"intercept":8.267575269218346,"variance":0.3510687368347124,"difficulty":895,"discrimination":0.004479398673070138,"irt_loglikelihood":-3249.89149948838,"irt_users":9512,"is_experimental":false},"abc324_e":{"slope":-0.0006570721931904224,"intercept":8.065375288155147,"variance":0.33070101459339674,"difficulty":1153,"discrimination":0.004479398673070138,"irt_loglikelihood":-2419.403407509613,"irt_users":9512,"is_experimental":false},"abc324_f":{"slope":-0.0009642846626463071,"intercept":8.849475804931766,"variance":0.45739605967078717,"difficulty":1815,"discrimination":0.004479398673070138,"irt_loglikelihood":-1071.0960646903363,"irt_users":9512,"is_experimental":false},"abc324_g":{"slope":-0.0004713299974801954,"intercept":8.897999108705337,"variance":0.18068337664910056,"difficulty":2501,"discrimination":0.004479398673070138,"irt_loglikelihood":-208.7094857565313,"irt_users":9512,"is_experimental":false},"arc167_a":{"slope":-0.000857149598817237,"intercept":7.775976833359023,"variance":0.4398471896881666,"difficulty":3,"discrimination":0.004479398673070138,"irt_loglikelihood":-572.3434348780457,"irt_users":2607,"is_experimental":false},"arc167_b":{"slope":-0.0006588931127378585,"intercept":9.065259183373408,"variance":0.32077066097807283,"difficulty":1292,"discrimination":0.004479398673070138,"irt_loglikelihood":-1321.611412588,"irt_users":2607,"is_experimental":false},"arc167_c":{"slope":-0.0001708454273923861,"intercept":8.373649652124767,"variance":0.18347185972322502,"difficulty":2388,"discrimination":0.004479398673070138,"irt_loglikelihood":-337.4662935083945,"irt_users":2607,"is_experimental":false},"arc167_d":{"slope":-0.0003371584760421599,"intercept":8.597269586603595,"variance":0.20248511237959158,"difficulty":2313,"discrimination":0.004479398673070138,"irt_loglikelihood":-511.6491642634921,"irt_users":2607,"is_experimental":false},"arc167_e":{"slope":-0.0001566143191388264,"intercept":8.492222024102347,"variance":0.13382425104112466,"difficulty":3271,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.99978659863967,"irt_users":2607,"is_experimental":false},"arc167_f":{"difficulty":3951,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.459509577370768,"irt_users":2607,"is_experimental":false},"abc325_a":{"slope":-0.0008791412402026458,"intercept":5.663943374179667,"variance":0.9360038526777608,"difficulty":-1158,"discrimination":0.004479398673070138,"irt_loglikelihood":-209.21839904789994,"irt_users":6357,"is_experimental":false},"abc325_b":{"slope":-0.0010414411043030642,"intercept":7.481935607171764,"variance":0.443811246070385,"difficulty":61,"discrimination":0.004479398673070138,"irt_loglikelihood":-2270.4126000040255,"irt_users":6357,"is_experimental":false},"abc325_c":{"slope":-0.0009072992475477521,"intercept":7.691092517708336,"variance":0.4642148713497018,"difficulty":400,"discrimination":0.004479398673070138,"irt_loglikelihood":-3159.404209190475,"irt_users":7318,"is_experimental":false},"abc325_d":{"slope":-0.0007290734495317035,"intercept":8.480434445662773,"variance":0.2686753960635907,"difficulty":1367,"discrimination":0.004479398673070138,"irt_loglikelihood":-1801.9012577333058,"irt_users":7318,"is_experimental":false},"abc325_e":{"slope":-0.0008720117202858937,"intercept":8.482432510014089,"variance":0.3454744470856037,"difficulty":1093,"discrimination":0.004479398673070138,"irt_loglikelihood":-2049.7668256380766,"irt_users":7318,"is_experimental":false},"abc325_f":{"slope":-0.000680382342843515,"intercept":8.469755648821629,"variance":0.24637116238826903,"difficulty":1769,"discrimination":0.004479398673070138,"irt_loglikelihood":-852.9448890310684,"irt_users":7318,"is_experimental":false},"abc325_g":{"slope":-0.0006615882849192963,"intercept":9.056847569371607,"variance":0.3947966596944843,"difficulty":2388,"discrimination":0.004479398673070138,"irt_loglikelihood":-220.5011218436551,"irt_users":7318,"is_experimental":false},"ahc025_a":{"difficulty":3765,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.178420892533671,"irt_users":828,"is_experimental":false},"ahc025_b":{"difficulty":3765,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.178420892533671,"irt_users":828,"is_experimental":false},"abc326_a":{"slope":-0.0009636570543519814,"intercept":6.498371608611788,"variance":0.7306814966111987,"difficulty":-665,"discrimination":0.004479398673070138,"irt_loglikelihood":-972.7944975553738,"irt_users":7412,"is_experimental":false},"abc326_b":{"slope":-0.0009357561152080337,"intercept":6.391879272749688,"variance":0.4972070681378736,"difficulty":-503,"discrimination":0.004479398673070138,"irt_loglikelihood":-1216.8026805165082,"irt_users":7412,"is_experimental":false},"abc326_c":{"slope":-0.0010887071001174043,"intercept":7.400933133225033,"variance":0.7384875404563991,"difficulty":274,"discrimination":0.004479398673070138,"irt_loglikelihood":-3656.257167177866,"irt_users":8702,"is_experimental":false},"abc326_d":{"slope":-0.0006062888884254105,"intercept":8.544475127405471,"variance":0.2479135219807589,"difficulty":1371,"discrimination":0.004479398673070138,"irt_loglikelihood":-2349.5028781253536,"irt_users":8702,"is_experimental":false},"abc326_e":{"slope":-0.0008716764088271374,"intercept":8.580834134904407,"variance":0.4653603317969219,"difficulty":1363,"discrimination":0.004479398673070138,"irt_loglikelihood":-1961.7578513532126,"irt_users":8702,"is_experimental":false},"abc326_f":{"slope":-0.0006763936651435445,"intercept":8.84940585544923,"variance":0.1854022579644949,"difficulty":1870,"discrimination":0.004479398673070138,"irt_loglikelihood":-826.7689731340496,"irt_users":8702,"is_experimental":false},"abc326_g":{"slope":-0.000494091142915337,"intercept":8.369459788022757,"variance":0.26579813063418345,"difficulty":2470,"discrimination":0.004479398673070138,"irt_loglikelihood":-233.02019828060892,"irt_users":8702,"is_experimental":false},"abc327_a":{"slope":-0.001014246334319775,"intercept":6.383518614657969,"variance":0.8578004137676949,"difficulty":-738,"discrimination":0.004479398673070138,"irt_loglikelihood":-705.4199596350833,"irt_users":7489,"is_experimental":false},"abc327_b":{"slope":-0.001032554326987188,"intercept":7.104361643493095,"variance":0.7540564977652694,"difficulty":-54,"discrimination":0.004479398673070138,"irt_loglikelihood":-2469.166841421867,"irt_users":7489,"is_experimental":false},"abc327_c":{"slope":-0.0009936646304441576,"intercept":7.39086134287559,"variance":0.3878352185385734,"difficulty":55,"discrimination":0.004479398673070138,"irt_loglikelihood":-3179.1702370496787,"irt_users":8675,"is_experimental":false},"abc327_d":{"slope":-0.0010480089476637257,"intercept":8.187871324019195,"variance":0.44072542134786763,"difficulty":709,"discrimination":0.004479398673070138,"irt_loglikelihood":-3204.2679034646176,"irt_users":8675,"is_experimental":false},"abc327_e":{"slope":-0.0007132875396241499,"intercept":8.39237670437242,"variance":0.35946016442518913,"difficulty":1227,"discrimination":0.004479398673070138,"irt_loglikelihood":-2188.112711516582,"irt_users":8675,"is_experimental":false},"abc327_f":{"slope":-0.0005158307279462478,"intercept":8.336611656809922,"variance":0.33732372149722145,"difficulty":1624,"discrimination":0.004479398673070138,"irt_loglikelihood":-1434.951767174736,"irt_users":8675,"is_experimental":false},"abc327_g":{"slope":-0.0002970118601801438,"intercept":8.680946627380477,"variance":0.23792897915431765,"difficulty":2968,"discrimination":0.004479398673070138,"irt_loglikelihood":-86.44540949071516,"irt_users":8675,"is_experimental":false},"ahc026_a":{"difficulty":3755,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.555326465258762,"irt_users":726,"is_experimental":false},"abc328_a":{"slope":-0.0009222714010375046,"intercept":5.922291166509292,"variance":0.8236862116103568,"difficulty":-1141,"discrimination":0.004479398673070138,"irt_loglikelihood":-308.4311598341536,"irt_users":7329,"is_experimental":false},"abc328_b":{"slope":-0.0010574946709324573,"intercept":7.27923484247744,"variance":0.3779404418713888,"difficulty":-213,"discrimination":0.004479398673070138,"irt_loglikelihood":-1828.8602202097034,"irt_users":7329,"is_experimental":false},"abc328_c":{"slope":-0.00105677602675798,"intercept":7.305172714413584,"variance":0.4571129417699291,"difficulty":189,"discrimination":0.004479398673070138,"irt_loglikelihood":-3457.1644323279734,"irt_users":8513,"is_experimental":false},"abc328_d":{"slope":-0.0010435541746416648,"intercept":7.716092157980276,"variance":0.6750400051147254,"difficulty":555,"discrimination":0.004479398673070138,"irt_loglikelihood":-3918.4823729185177,"irt_users":8513,"is_experimental":false},"abc328_e":{"slope":-0.0007244114505183192,"intercept":8.264684554668985,"variance":0.34679846089066463,"difficulty":1160,"discrimination":0.004479398673070138,"irt_loglikelihood":-2472.8286684705167,"irt_users":8513,"is_experimental":false},"abc328_f":{"slope":-0.000730896318453742,"intercept":8.365388797520392,"variance":0.5095352338399787,"difficulty":1477,"discrimination":0.004479398673070138,"irt_loglikelihood":-1605.6117315494903,"irt_users":8513,"is_experimental":false},"abc328_g":{"slope":-0.0003847817945942868,"intercept":8.384253965856619,"variance":0.2955270187551915,"difficulty":2193,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.94258546362823,"irt_users":8513,"is_experimental":false},"abc329_a":{"slope":-0.0009886173634996848,"intercept":5.67049916159332,"variance":1.0223861540670718,"difficulty":-1120,"discrimination":0.004479398673070138,"irt_loglikelihood":-276.7362872688497,"irt_users":7081,"is_experimental":false},"abc329_b":{"slope":-0.000952101292970868,"intercept":6.065707462853684,"variance":0.47633920647456174,"difficulty":-802,"discrimination":0.004479398673070138,"irt_loglikelihood":-596.0678500204799,"irt_users":7081,"is_experimental":false},"abc329_c":{"slope":-0.0011657259399821458,"intercept":7.562787562499318,"variance":0.47151019540748945,"difficulty":133,"discrimination":0.004479398673070138,"irt_loglikelihood":-3282.280461340038,"irt_users":8200,"is_experimental":false},"abc329_d":{"slope":-0.0009374763033484542,"intercept":7.387962449892562,"variance":0.47258334608854924,"difficulty":232,"discrimination":0.004479398673070138,"irt_loglikelihood":-3397.188713552637,"irt_users":8200,"is_experimental":false},"abc329_e":{"slope":-0.0007002643100825358,"intercept":8.64465306710567,"variance":0.37881789792377485,"difficulty":1539,"discrimination":0.004479398673070138,"irt_loglikelihood":-1751.246907233294,"irt_users":8200,"is_experimental":false},"abc329_f":{"slope":-0.0008743022615091225,"intercept":8.459634713996707,"variance":0.5750073466203283,"difficulty":1207,"discrimination":0.004479398673070138,"irt_loglikelihood":-2314.4765474937676,"irt_users":8200,"is_experimental":false},"abc329_g":{"slope":-0.0002070270436166415,"intercept":8.851553345931768,"variance":0.07371593788127226,"difficulty":2995,"discrimination":0.004479398673070138,"irt_loglikelihood":-49.789228265321185,"irt_users":8200,"is_experimental":false},"arc168_a":{"slope":-0.0010598029725870874,"intercept":7.946668018765447,"variance":0.612814764857447,"difficulty":64,"discrimination":0.004479398673070138,"irt_loglikelihood":-459.25159303959055,"irt_users":2152,"is_experimental":false},"arc168_b":{"slope":-0.0010667817490189152,"intercept":9.086628924253233,"variance":0.4347014576392373,"difficulty":1289,"discrimination":0.004479398673070138,"irt_loglikelihood":-924.404793802808,"irt_users":2152,"is_experimental":false},"arc168_c":{"slope":-0.000882299784168814,"intercept":9.77663077986603,"variance":0.23207466563898602,"difficulty":2071,"discrimination":0.004479398673070138,"irt_loglikelihood":-441.27223660731454,"irt_users":2152,"is_experimental":false},"arc168_d":{"slope":-0.00041875919099555373,"intercept":8.417531551281018,"variance":0.48896834020139573,"difficulty":2440,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.8686356246736,"irt_users":2152,"is_experimental":false},"arc168_e":{"slope":-0.00006812018985890973,"intercept":8.118054663863271,"variance":0.16693416648742912,"difficulty":3001,"discrimination":0.004479398673070138,"irt_loglikelihood":-79.56807935550704,"irt_users":2152,"is_experimental":false},"arc168_f":{"is_experimental":false},"abc330_a":{"slope":-0.0008919885870778713,"intercept":5.753193194813592,"variance":0.9163730774490656,"difficulty":-1185,"discrimination":0.004479398673070138,"irt_loglikelihood":-277.8549369134232,"irt_users":7107,"is_experimental":false},"abc330_b":{"slope":-0.0010185514989080363,"intercept":7.228724677056617,"variance":0.6018166691588078,"difficulty":-88,"discrimination":0.004479398673070138,"irt_loglikelihood":-2429.864296571987,"irt_users":7107,"is_experimental":false},"abc330_c":{"slope":-0.0009761190568533685,"intercept":7.842362418384862,"variance":0.5829439568429143,"difficulty":519,"discrimination":0.004479398673070138,"irt_loglikelihood":-3857.976347213627,"irt_users":8185,"is_experimental":false},"abc330_d":{"slope":-0.001033800605016706,"intercept":7.845637937290502,"variance":0.4692213245902408,"difficulty":569,"discrimination":0.004479398673070138,"irt_loglikelihood":-3528.0399424947313,"irt_users":8185,"is_experimental":false},"abc330_e":{"slope":-0.0007710102645588571,"intercept":8.03368516025351,"variance":0.4943097673513181,"difficulty":1004,"discrimination":0.004479398673070138,"irt_loglikelihood":-2561.8016617605367,"irt_users":8185,"is_experimental":false},"abc330_f":{"slope":-0.0005826361458972045,"intercept":8.687513594590417,"variance":0.2302341263961496,"difficulty":1718,"discrimination":0.004479398673070138,"irt_loglikelihood":-1089.2514593258836,"irt_users":8185,"is_experimental":false},"abc330_g":{"difficulty":3455,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.192054392282246,"irt_users":8185,"is_experimental":false},"abc331_a":{"slope":-0.0009349989184688151,"intercept":6.6774515776689976,"variance":0.6955199337017289,"difficulty":-704,"discrimination":0.004479398673070138,"irt_loglikelihood":-943.3701442158973,"irt_users":7333,"is_experimental":false},"abc331_b":{"slope":-0.00106024924662768,"intercept":7.297272247671356,"variance":0.5407000723102147,"difficulty":85,"discrimination":0.004479398673070138,"irt_loglikelihood":-2644.173412957145,"irt_users":7333,"is_experimental":false},"abc331_c":{"slope":-0.0011958321580331705,"intercept":7.648261862911564,"variance":0.47519191877385414,"difficulty":268,"discrimination":0.004479398673070138,"irt_loglikelihood":-3328.050655056211,"irt_users":8458,"is_experimental":false},"abc331_d":{"slope":-0.0006164106147115079,"intercept":8.35355947947075,"variance":0.2869387813224396,"difficulty":1361,"discrimination":0.004479398673070138,"irt_loglikelihood":-2222.4762783710185,"irt_users":8458,"is_experimental":false},"abc331_e":{"slope":-0.0008569189594611087,"intercept":8.336996554572728,"variance":0.4704769152755478,"difficulty":1018,"discrimination":0.004479398673070138,"irt_loglikelihood":-2823.2967721923196,"irt_users":8458,"is_experimental":false},"abc331_f":{"slope":-0.0003456660616975151,"intercept":7.896486295047123,"variance":0.3853187784567231,"difficulty":1666,"discrimination":0.004479398673070138,"irt_loglikelihood":-1558.3120681603168,"irt_users":8458,"is_experimental":false},"abc331_g":{"slope":-0.0008477909847196876,"intercept":9.498491049702967,"variance":0.2936237055565031,"difficulty":2668,"discrimination":0.004479398673070138,"irt_loglikelihood":-143.46078462741656,"irt_users":8458,"is_experimental":false},"arc169_a":{"slope":-0.001011624976482172,"intercept":9.242986478199635,"variance":0.4232676978403125,"difficulty":1171,"discrimination":0.004479398673070138,"irt_loglikelihood":-1579.6026710270446,"irt_users":4140,"is_experimental":false},"arc169_b":{"slope":-0.0009484377360782658,"intercept":8.858417074178451,"variance":0.5049657841372545,"difficulty":1387,"discrimination":0.004479398673070138,"irt_loglikelihood":-1244.428156178299,"irt_users":4140,"is_experimental":false},"arc169_c":{"slope":-0.0006392816790036516,"intercept":9.061641564629022,"variance":0.23620458101109792,"difficulty":2005,"discrimination":0.004479398673070138,"irt_loglikelihood":-607.0129538215273,"irt_users":4140,"is_experimental":false},"arc169_d":{"slope":-0.00037209298140928183,"intercept":8.91196598326124,"variance":0.2060336146683265,"difficulty":2812,"discrimination":0.004479398673070138,"irt_loglikelihood":-154.09723256945085,"irt_users":4140,"is_experimental":false},"arc169_e":{"slope":-0.00031573181615987187,"intercept":8.749823000467888,"variance":0.24688569273505764,"difficulty":3333,"discrimination":0.004479398673070138,"irt_loglikelihood":-36.93724926422074,"irt_users":4140,"is_experimental":false},"arc169_f":{"slope":-0.00008156438949798183,"intercept":8.180245097166805,"variance":0.38625816621435866,"difficulty":3434,"discrimination":0.004479398673070138,"irt_loglikelihood":-19.531056473191022,"irt_users":4140,"is_experimental":false},"abc332_a":{"slope":-0.0008570354671159851,"intercept":6.180498253885467,"variance":0.6112229750822679,"difficulty":-1099,"discrimination":0.004479398673070138,"irt_loglikelihood":-253.0989597084919,"irt_users":6072,"is_experimental":false},"abc332_b":{"slope":-0.000898454170924749,"intercept":6.988234556100683,"variance":0.42581403026100556,"difficulty":-265,"discrimination":0.004479398673070138,"irt_loglikelihood":-1525.4563866312865,"irt_users":6072,"is_experimental":false},"abc332_c":{"slope":-0.0008050920072417863,"intercept":7.288206616859432,"variance":0.38365915865292666,"difficulty":36,"discrimination":0.004479398673070138,"irt_loglikelihood":-2936.0374184639413,"irt_users":6872,"is_experimental":false},"abc332_d":{"slope":-0.0009667192219030582,"intercept":8.535767436903225,"variance":0.38683581358357205,"difficulty":1175,"discrimination":0.004479398673070138,"irt_loglikelihood":-2209.9537421994924,"irt_users":6872,"is_experimental":false},"abc332_e":{"slope":-0.000540496069715611,"intercept":8.617233032897703,"variance":0.4001798204457069,"difficulty":1883,"discrimination":0.004479398673070138,"irt_loglikelihood":-939.4558889841765,"irt_users":6872,"is_experimental":false},"abc332_f":{"slope":-0.0005064186492416743,"intercept":8.388374722613662,"variance":0.38295664992132894,"difficulty":1786,"discrimination":0.004479398673070138,"irt_loglikelihood":-1031.8663834892996,"irt_users":6872,"is_experimental":false},"abc332_g":{"slope":-0.000391916806117822,"intercept":8.57148688451512,"variance":0.33400043783954797,"difficulty":2775,"discrimination":0.004479398673070138,"irt_loglikelihood":-107.41388961055354,"irt_users":6872,"is_experimental":false},"ahc027_a":{"difficulty":3707,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.488673053730142,"irt_users":853,"is_experimental":false},"ahc027_b":{"difficulty":3707,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.488673053730142,"irt_users":853,"is_experimental":false},"abc333_a":{"slope":-0.0011463302931128362,"intercept":5.845220203323112,"variance":1.2369865375674203,"difficulty":-1203,"discrimination":0.004479398673070138,"irt_loglikelihood":-332.3302937108589,"irt_users":8129,"is_experimental":false},"abc333_b":{"slope":-0.0008182552984061605,"intercept":7.046398242643975,"variance":0.5831475601067239,"difficulty":-202,"discrimination":0.004479398673070138,"irt_loglikelihood":-2535.359559135473,"irt_users":8129,"is_experimental":false},"abc333_c":{"slope":-0.0006271002115584016,"intercept":7.2671731899382435,"variance":0.720733892533215,"difficulty":224,"discrimination":0.004479398673070138,"irt_loglikelihood":-5264.772562378687,"irt_users":9800,"is_experimental":false},"abc333_d":{"slope":-0.0010251959480242984,"intercept":8.019366917530355,"variance":0.39652774213826086,"difficulty":704,"discrimination":0.004479398673070138,"irt_loglikelihood":-3318.730177295409,"irt_users":9800,"is_experimental":false},"abc333_e":{"slope":-0.0006910875562358104,"intercept":7.902587294007333,"variance":0.26196540460219264,"difficulty":948,"discrimination":0.004479398673070138,"irt_loglikelihood":-2706.9211662276516,"irt_users":9800,"is_experimental":false},"abc333_f":{"slope":-0.0006298053070344323,"intercept":8.645666719964948,"variance":0.2090768729807096,"difficulty":1770,"discrimination":0.004479398673070138,"irt_loglikelihood":-1168.3659092325659,"irt_users":9800,"is_experimental":false},"abc333_g":{"slope":-0.00021838854328440016,"intercept":8.244112182709522,"variance":0.4032332983153024,"difficulty":2536,"discrimination":0.004479398673070138,"irt_loglikelihood":-237.17786450207768,"irt_users":9800,"is_experimental":false},"agc065_a":{"slope":-0.000806862852055807,"intercept":9.936243885158264,"variance":0.3334713056607923,"difficulty":1701,"discrimination":0.004479398673070138,"irt_loglikelihood":-589.9336698309303,"irt_users":1115,"is_experimental":false},"agc065_b":{"slope":-0.0007924798164315015,"intercept":9.78596127021577,"variance":0.33333047862121246,"difficulty":2193,"discrimination":0.004479398673070138,"irt_loglikelihood":-354.16911388588954,"irt_users":1115,"is_experimental":false},"agc065_c":{"slope":-0.0005399996954921931,"intercept":9.524432876601114,"variance":0.2557621324455122,"difficulty":2414,"discrimination":0.004479398673070138,"irt_loglikelihood":-246.85268918819622,"irt_users":1115,"is_experimental":false},"agc065_d":{"slope":-0.0005558402271687296,"intercept":9.559265604320586,"variance":0.3185286838291433,"difficulty":3117,"discrimination":0.004479398673070138,"irt_loglikelihood":-122.00109474333763,"irt_users":1115,"is_experimental":false},"agc065_e":{"difficulty":4235,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.131688436860234,"irt_users":1115,"is_experimental":false},"agc065_f":{"difficulty":3889,"discrimination":0.004479398673070138,"irt_loglikelihood":-12.54132604206303,"irt_users":1115,"is_experimental":false},"abc334_a":{"slope":-0.0009410045219507104,"intercept":5.858213076964186,"variance":1.0308802043893268,"difficulty":-1092,"discrimination":0.004479398673070138,"irt_loglikelihood":-361.39348055238986,"irt_users":7493,"is_experimental":false},"abc334_b":{"slope":-0.000428011444459862,"intercept":7.440610024956865,"variance":0.9859245232949333,"difficulty":479,"discrimination":0.004479398673070138,"irt_loglikelihood":-4830.4741546919595,"irt_users":7493,"is_experimental":false},"abc334_c":{"slope":-0.0008630734564059738,"intercept":8.311789838139601,"variance":0.3056155452438388,"difficulty":1030,"discrimination":0.004479398673070138,"irt_loglikelihood":-2821.6266527497223,"irt_users":8902,"is_experimental":false},"abc334_d":{"slope":-0.001095446361398739,"intercept":7.930627289395275,"variance":0.7853325433616338,"difficulty":602,"discrimination":0.004479398673070138,"irt_loglikelihood":-3824.542112886029,"irt_users":8902,"is_experimental":false},"abc334_e":{"slope":-0.0007903472372126983,"intercept":8.34521970508587,"variance":0.21384186177257644,"difficulty":1195,"discrimination":0.004479398673070138,"irt_loglikelihood":-1859.5693387616416,"irt_users":8902,"is_experimental":false},"abc334_f":{"slope":-0.0006312419683538492,"intercept":8.555773958724712,"variance":0.19483597206423522,"difficulty":1813,"discrimination":0.004479398673070138,"irt_loglikelihood":-823.1380404285718,"irt_users":8902,"is_experimental":false},"abc334_g":{"slope":-0.00021810653179982466,"intercept":7.8157409195431224,"variance":0.2719892869578268,"difficulty":2242,"discrimination":0.004479398673070138,"irt_loglikelihood":-500.78383032729965,"irt_users":8902,"is_experimental":false},"ahc029_a":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.8666067555750816,"irt_users":732,"is_experimental":false},"ahc029_b":{"difficulty":3680,"discrimination":0.004479398673070138,"irt_loglikelihood":-3.8666067555750816,"irt_users":732,"is_experimental":false},"abc335_a":{"slope":-0.0010958404007347085,"intercept":5.966495566120767,"variance":1.1430314141178042,"difficulty":-1139,"discrimination":0.004479398673070138,"irt_loglikelihood":-345.7332679825058,"irt_users":7228,"is_experimental":false},"abc335_b":{"slope":-0.0009128157651310763,"intercept":6.200367805763629,"variance":0.6259143637670158,"difficulty":-416,"discrimination":0.004479398673070138,"irt_loglikelihood":-1615.1943121333068,"irt_users":7228,"is_experimental":false},"abc335_c":{"slope":-0.0009629057084942863,"intercept":7.915075496368797,"variance":0.33296413654753126,"difficulty":452,"discrimination":0.004479398673070138,"irt_loglikelihood":-3861.3088782399996,"irt_users":8520,"is_experimental":false},"abc335_d":{"slope":-0.0006494119380739355,"intercept":7.635524380181733,"variance":0.3747789178681496,"difficulty":431,"discrimination":0.004479398673070138,"irt_loglikelihood":-3892.8031260642106,"irt_users":8520,"is_experimental":false},"abc335_e":{"slope":-0.0007229712714938621,"intercept":8.878399194589964,"variance":0.35741539333076705,"difficulty":1540,"discrimination":0.004479398673070138,"irt_loglikelihood":-1371.1455039228333,"irt_users":8520,"is_experimental":false},"abc335_f":{"slope":-0.0007150243974439255,"intercept":8.484777048466125,"variance":0.41736335669675134,"difficulty":1690,"discrimination":0.004479398673070138,"irt_loglikelihood":-1160.4924414407542,"irt_users":8520,"is_experimental":false},"abc335_g":{"slope":-0.0005204817655464804,"intercept":8.788192666758336,"variance":0.3737360073156039,"difficulty":2614,"discrimination":0.004479398673070138,"irt_loglikelihood":-148.43737882169063,"irt_users":8520,"is_experimental":false},"ahc028_a":{"difficulty":3783,"discrimination":0.004479398673070138,"irt_loglikelihood":-8.273728704477366,"irt_users":815,"is_experimental":false},"abc336_a":{"slope":-0.0008243274898556245,"intercept":5.7172942465054595,"variance":0.8627240523850896,"difficulty":-1289,"discrimination":0.004479398673070138,"irt_loglikelihood":-166.9316294515916,"irt_users":6450,"is_experimental":false},"abc336_b":{"slope":-0.0010364631949172397,"intercept":6.090754585970577,"variance":0.5544468072811376,"difficulty":-683,"discrimination":0.004479398673070138,"irt_loglikelihood":-716.6144389076704,"irt_users":6450,"is_experimental":false},"abc336_c":{"slope":-0.0009513890773380319,"intercept":7.8338900189346505,"variance":0.5559760363963555,"difficulty":339,"discrimination":0.004479398673070138,"irt_loglikelihood":-3648.35194169385,"irt_users":7312,"is_experimental":false},"abc336_d":{"slope":-0.0007635907139641875,"intercept":8.185471936847945,"variance":0.5402769414343479,"difficulty":991,"discrimination":0.004479398673070138,"irt_loglikelihood":-2831.6313231503605,"irt_users":7312,"is_experimental":false},"abc336_e":{"slope":-0.0004392311422567355,"intercept":8.119009928038203,"variance":0.4286921354848485,"difficulty":1538,"discrimination":0.004479398673070138,"irt_loglikelihood":-1536.0276638783785,"irt_users":7312,"is_experimental":false},"abc336_f":{"slope":-0.00037170051410443733,"intercept":8.305818794579048,"variance":0.17852951212478116,"difficulty":2018,"discrimination":0.004479398673070138,"irt_loglikelihood":-687.1938893440735,"irt_users":7312,"is_experimental":false},"abc336_g":{"slope":-0.0006896669781239898,"intercept":9.931668980749848,"variance":0.14934885278907295,"difficulty":3138,"discrimination":0.004479398673070138,"irt_loglikelihood":-34.730811058773455,"irt_users":7312,"is_experimental":false},"abc337_a":{"slope":-0.000896607616969326,"intercept":6.337749890969131,"variance":0.7952438684040732,"difficulty":-923,"discrimination":0.004479398673070138,"irt_loglikelihood":-583.3593522101903,"irt_users":8275,"is_experimental":false},"abc337_b":{"slope":-0.000842227390584173,"intercept":6.976036992320478,"variance":0.7811700912875614,"difficulty":-165,"discrimination":0.004479398673070138,"irt_loglikelihood":-2675.0480129796997,"irt_users":8275,"is_experimental":false},"abc337_c":{"slope":-0.0010025869405760055,"intercept":7.27717997551644,"variance":0.5407441959676818,"difficulty":225,"discrimination":0.004479398673070138,"irt_loglikelihood":-4358.597569331539,"irt_users":9753,"is_experimental":false},"abc337_d":{"slope":-0.0008697726602788423,"intercept":8.22331233079317,"variance":0.2924535862829206,"difficulty":760,"discrimination":0.004479398673070138,"irt_loglikelihood":-3739.5370755640197,"irt_users":9753,"is_experimental":false},"abc337_e":{"slope":-0.0008068205313266422,"intercept":8.54675897418803,"variance":0.3290015149386453,"difficulty":1155,"discrimination":0.004479398673070138,"irt_loglikelihood":-2838.6820303749228,"irt_users":9753,"is_experimental":false},"abc337_f":{"slope":-0.0003354083024974544,"intercept":8.495525309521685,"variance":0.19923277082130306,"difficulty":2386,"discrimination":0.004479398673070138,"irt_loglikelihood":-472.8292222287385,"irt_users":9753,"is_experimental":false},"abc337_g":{"slope":-0.0003531528033041895,"intercept":8.307060045535195,"variance":0.37619772311498867,"difficulty":2080,"discrimination":0.004479398673070138,"irt_loglikelihood":-774.2511830914791,"irt_users":9753,"is_experimental":false},"arc170_a":{"slope":-0.0008298559541221668,"intercept":8.754862860653624,"variance":0.3964728150087444,"difficulty":750,"discrimination":0.004479398673070138,"irt_loglikelihood":-1618.8288049677733,"irt_users":2866,"is_experimental":false},"arc170_b":{"slope":-0.0008761696009018096,"intercept":8.770540540968321,"variance":0.40308265031471663,"difficulty":1180,"discrimination":0.004479398673070138,"irt_loglikelihood":-1128.0781584656445,"irt_users":2866,"is_experimental":false},"arc170_c":{"slope":-0.00042369303767667986,"intercept":8.4449049990087,"variance":0.34553599075005487,"difficulty":2028,"discrimination":0.004479398673070138,"irt_loglikelihood":-805.968497334084,"irt_users":2866,"is_experimental":false},"arc170_d":{"slope":-0.00034645218310095434,"intercept":8.815753964304447,"variance":0.24794148761157112,"difficulty":2279,"discrimination":0.004479398673070138,"irt_loglikelihood":-478.3927165208122,"irt_users":2866,"is_experimental":false},"arc170_e":{"slope":-0.00041600641912156375,"intercept":8.874856422656295,"variance":0.23983501662212084,"difficulty":3174,"discrimination":0.004479398673070138,"irt_loglikelihood":-70.27440512505167,"irt_users":2866,"is_experimental":false},"arc170_f":{"difficulty":3874,"discrimination":0.004479398673070138,"irt_loglikelihood":-10.310129722642024,"irt_users":2866,"is_experimental":false},"abc338_a":{"slope":-0.0009699089007468858,"intercept":6.461399982396717,"variance":0.7203272387505036,"difficulty":-779,"discrimination":0.004479398673070138,"irt_loglikelihood":-578.675914627633,"irt_users":7141,"is_experimental":false},"abc338_b":{"slope":-0.0010210157801116453,"intercept":6.556715260699186,"variance":0.5864124530226921,"difficulty":-449,"discrimination":0.004479398673070138,"irt_loglikelihood":-1142.2248778443777,"irt_users":7141,"is_experimental":false},"abc338_c":{"slope":-0.001045985947371175,"intercept":8.053247852210104,"variance":0.3690743008192365,"difficulty":513,"discrimination":0.004479398673070138,"irt_loglikelihood":-3827.8685048400393,"irt_users":8219,"is_experimental":false},"abc338_d":{"slope":-0.0009135631954357124,"intercept":8.723185172656727,"variance":0.255024834119487,"difficulty":1234,"discrimination":0.004479398673070138,"irt_loglikelihood":-2111.8777525028804,"irt_users":8219,"is_experimental":false},"abc338_e":{"slope":-0.0009200458195702854,"intercept":8.544710806605284,"variance":0.4725539989619936,"difficulty":1220,"discrimination":0.004479398673070138,"irt_loglikelihood":-2432.526468007536,"irt_users":8219,"is_experimental":false},"abc338_f":{"slope":-0.0004530127403262094,"intercept":8.356851007998834,"variance":0.4138596374250541,"difficulty":1835,"discrimination":0.004479398673070138,"irt_loglikelihood":-960.9227416763051,"irt_users":8219,"is_experimental":false},"abc338_g":{"slope":-0.00043663246778956197,"intercept":8.826990378443615,"variance":0.21929212585633318,"difficulty":2573,"discrimination":0.004479398673070138,"irt_loglikelihood":-161.42774002844993,"irt_users":8219,"is_experimental":false},"abc339_a":{"slope":-0.0010338002870664037,"intercept":6.30307817487677,"variance":0.909621518967242,"difficulty":-845,"discrimination":0.004479398673070138,"irt_loglikelihood":-677.9372480235846,"irt_users":8182,"is_experimental":false},"abc339_b":{"slope":-0.0007233489122203459,"intercept":7.448091396740958,"variance":0.47881891692219525,"difficulty":126,"discrimination":0.004479398673070138,"irt_loglikelihood":-3347.2016610180403,"irt_users":8182,"is_experimental":false},"abc339_c":{"slope":-0.0009032314802464794,"intercept":7.035797458355937,"variance":0.6051424263629782,"difficulty":66,"discrimination":0.004479398673070138,"irt_loglikelihood":-4394.6622460842655,"irt_users":9687,"is_experimental":false},"abc339_d":{"slope":-0.0006466780190041142,"intercept":8.202076865921464,"variance":0.3267902573510008,"difficulty":1276,"discrimination":0.004479398673070138,"irt_loglikelihood":-2634.6367679695427,"irt_users":9687,"is_experimental":false},"abc339_e":{"slope":-0.0009918210381324568,"intercept":8.33969096118723,"variance":0.4979705674618675,"difficulty":1109,"discrimination":0.004479398673070138,"irt_loglikelihood":-2589.255986312903,"irt_users":9687,"is_experimental":false},"abc339_f":{"slope":-0.00046628876945358286,"intercept":8.084483659709797,"variance":0.437010745494654,"difficulty":1716,"discrimination":0.004479398673070138,"irt_loglikelihood":-1549.5830859689804,"irt_users":9687,"is_experimental":false},"abc339_g":{"slope":-0.0005257261415982711,"intercept":8.25359226676613,"variance":0.3982072514018527,"difficulty":1792,"discrimination":0.004479398673070138,"irt_loglikelihood":-1348.7791456595514,"irt_users":9687,"is_experimental":false},"arc171_a":{"slope":-0.0008439207439933329,"intercept":8.581793540715326,"variance":0.44842873003084394,"difficulty":614,"discrimination":0.004479398673070138,"irt_loglikelihood":-1241.7403838643577,"irt_users":2619,"is_experimental":false},"arc171_b":{"slope":-0.0007698525710240372,"intercept":9.210031441193866,"variance":0.25097566241462316,"difficulty":1374,"discrimination":0.004479398673070138,"irt_loglikelihood":-1045.7931465930894,"irt_users":2619,"is_experimental":false},"arc171_c":{"slope":-0.0004933135584647904,"intercept":8.735980985747855,"variance":0.24401644963605165,"difficulty":2244,"discrimination":0.004479398673070138,"irt_loglikelihood":-418.58562658835024,"irt_users":2619,"is_experimental":false},"arc171_d":{"slope":-0.0007889403469618248,"intercept":9.362698611099184,"variance":0.3180852303394828,"difficulty":2377,"discrimination":0.004479398673070138,"irt_loglikelihood":-355.93240830883775,"irt_users":2619,"is_experimental":false},"arc171_e":{"slope":-0.0003530200402567905,"intercept":8.760013112017898,"variance":0.07903134392748902,"difficulty":3034,"discrimination":0.004479398673070138,"irt_loglikelihood":-82.08059485388166,"irt_users":2619,"is_experimental":false},"arc171_f":{"difficulty":3730,"discrimination":0.004479398673070138,"irt_loglikelihood":-5.65480464619385,"irt_users":2619,"is_experimental":false},"abc340_a":{"slope":-0.0009498817533074515,"intercept":5.986976494418877,"variance":0.882513608322859,"difficulty":-1100,"discrimination":0.004479398673070138,"irt_loglikelihood":-232.89931202679418,"irt_users":6993,"is_experimental":false},"abc340_b":{"slope":-0.0009567246991711697,"intercept":6.1636020692119775,"variance":0.38653610297989194,"difficulty":-494,"discrimination":0.004479398673070138,"irt_loglikelihood":-897.5980461797002,"irt_users":6993,"is_experimental":false},"abc340_c":{"slope":-0.0012378512355437302,"intercept":8.122214202956629,"variance":0.48894504485722184,"difficulty":528,"discrimination":0.004479398673070138,"irt_loglikelihood":-3866.914208117192,"irt_users":8061,"is_experimental":false},"abc340_d":{"slope":-0.0011623202326836275,"intercept":8.190294475808619,"variance":0.47897309079361305,"difficulty":784,"discrimination":0.004479398673070138,"irt_loglikelihood":-3012.058146468511,"irt_users":8061,"is_experimental":false},"abc340_e":{"slope":-0.0007913648283270442,"intercept":8.35539107460237,"variance":0.23875448556868786,"difficulty":1157,"discrimination":0.004479398673070138,"irt_loglikelihood":-2099.181946615165,"irt_users":8061,"is_experimental":false},"abc340_f":{"slope":-0.000531478591742683,"intercept":8.193242652210209,"variance":0.39151631853671437,"difficulty":1516,"discrimination":0.004479398673070138,"irt_loglikelihood":-1725.2824159070292,"irt_users":8061,"is_experimental":false},"abc340_g":{"slope":-0.0005418907617118004,"intercept":8.892511673472189,"variance":0.19201065259319705,"difficulty":2401,"discrimination":0.004479398673070138,"irt_loglikelihood":-314.1352720658966,"irt_users":8061,"is_experimental":false},"abc341_a":{"slope":-0.0010975790960969546,"intercept":6.026375199330641,"variance":1.0472204475476405,"difficulty":-1033,"discrimination":0.004479398673070138,"irt_loglikelihood":-407.9185240905681,"irt_users":8268,"is_experimental":false},"abc341_b":{"slope":-0.0010736972435871264,"intercept":7.106402013324229,"variance":0.5373088842900223,"difficulty":42,"discrimination":0.004479398673070138,"irt_loglikelihood":-2849.47291695489,"irt_users":8268,"is_experimental":false},"abc341_c":{"slope":-0.0009394566010034909,"intercept":7.673927716204544,"variance":0.34609156476506864,"difficulty":406,"discrimination":0.004479398673070138,"irt_loglikelihood":-4737.165437892859,"irt_users":9891,"is_experimental":false},"abc341_d":{"slope":-0.000745617919867693,"intercept":7.9325639998614275,"variance":0.5858435075426605,"difficulty":829,"discrimination":0.004479398673070138,"irt_loglikelihood":-4192.680824158998,"irt_users":9891,"is_experimental":false},"abc341_e":{"slope":-0.0009460986166514591,"intercept":8.558403781809595,"variance":0.36632416261333933,"difficulty":1223,"discrimination":0.004479398673070138,"irt_loglikelihood":-2327.938448264172,"irt_users":9891,"is_experimental":false},"abc341_f":{"slope":-0.0008053100443860662,"intercept":8.739961656284835,"variance":0.22868461450498684,"difficulty":1604,"discrimination":0.004479398673070138,"irt_loglikelihood":-1227.7465902119504,"irt_users":9891,"is_experimental":false},"abc341_g":{"slope":-0.00042324799458247125,"intercept":8.243857837598341,"variance":0.4721793603684828,"difficulty":2208,"discrimination":0.004479398673070138,"irt_loglikelihood":-545.7301605245921,"irt_users":9891,"is_experimental":false},"arc172_a":{"slope":-0.0008350839142394016,"intercept":8.771892112346073,"variance":0.3767803139461073,"difficulty":851,"discrimination":0.004479398673070138,"irt_loglikelihood":-942.2494282885768,"irt_users":1765,"is_experimental":false},"arc172_b":{"slope":-0.0007547214734981754,"intercept":8.432696817577584,"variance":0.37636802613992215,"difficulty":1284,"discrimination":0.004479398673070138,"irt_loglikelihood":-861.4597013649017,"irt_users":1765,"is_experimental":false},"arc172_c":{"slope":-0.0004934356762899438,"intercept":8.341535249740494,"variance":0.3795199816734723,"difficulty":1498,"discrimination":0.004479398673070138,"irt_loglikelihood":-941.1861684549975,"irt_users":1765,"is_experimental":false},"arc172_d":{"slope":-0.0002950820243180326,"intercept":8.102232101307806,"variance":0.2618917438838954,"difficulty":2936,"discrimination":0.004479398673070138,"irt_loglikelihood":-131.01866469075895,"irt_users":1765,"is_experimental":false},"arc172_e":{"slope":-0.00002384452936421583,"intercept":8.000087058680714,"variance":0.2778366671420501,"difficulty":2358,"discrimination":0.004479398673070138,"irt_loglikelihood":-443.326842466406,"irt_users":1765,"is_experimental":false},"arc172_f":{"slope":-0.00033361175990368646,"intercept":9.235858845171094,"variance":0.05232496572930085,"difficulty":3474,"discrimination":0.004479398673070138,"irt_loglikelihood":-20.161355967441402,"irt_users":1765,"is_experimental":false},"ahc030_a":{"difficulty":3781,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.325847898700874,"irt_users":889,"is_experimental":false},"ahc030_b":{"difficulty":3781,"discrimination":0.004479398673070138,"irt_loglikelihood":-4.325847898700874,"irt_users":889,"is_experimental":false},"abc342_a":{"slope":-0.001033795391629675,"intercept":6.757720154563996,"variance":0.6566615726985501,"difficulty":-623,"discrimination":0.004479398673070138,"irt_loglikelihood":-766.5599664389134,"irt_users":7287,"is_experimental":false},"abc342_b":{"slope":-0.000855398336684974,"intercept":6.502312448643263,"variance":0.37413757272038495,"difficulty":-378,"discrimination":0.004479398673070138,"irt_loglikelihood":-1228.5338620155328,"irt_users":7287,"is_experimental":false},"abc342_c":{"slope":-0.0010465109334073107,"intercept":7.839338483298759,"variance":0.5721876743829588,"difficulty":505,"discrimination":0.004479398673070138,"irt_loglikelihood":-4139.391531565323,"irt_users":8459,"is_experimental":false},"abc342_d":{"slope":-0.0010602026957848023,"intercept":8.645978791645135,"variance":0.4143930942662581,"difficulty":944,"discrimination":0.004479398673070138,"irt_loglikelihood":-3084.391421968585,"irt_users":8459,"is_experimental":false},"abc342_e":{"slope":-0.0007852392963418676,"intercept":8.791782311839615,"variance":0.1876168891986938,"difficulty":1476,"discrimination":0.004479398673070138,"irt_loglikelihood":-1753.4572825705295,"irt_users":8459,"is_experimental":false},"abc342_f":{"slope":-0.000646892240503094,"intercept":8.929463592747632,"variance":0.2429041037596922,"difficulty":2141,"discrimination":0.004479398673070138,"irt_loglikelihood":-589.3067534238909,"irt_users":8459,"is_experimental":false},"abc342_g":{"slope":-0.0003910228177213182,"intercept":8.01966010480967,"variance":0.372109204009111,"difficulty":2107,"discrimination":0.004479398673070138,"irt_loglikelihood":-858.1916170433647,"irt_users":8459,"is_experimental":false},"abc343_a":{"slope":-0.0011143080614631345,"intercept":6.088802202888372,"variance":1.021448429143605,"difficulty":-960,"discrimination":0.004479398673070138,"irt_loglikelihood":-605.013521593454,"irt_users":8823,"is_experimental":false},"abc343_b":{"slope":-0.0008690259919178339,"intercept":6.198506920840714,"variance":0.4831145446312294,"difficulty":-411,"discrimination":0.004479398673070138,"irt_loglikelihood":-1710.5055158808814,"irt_users":8823,"is_experimental":false},"abc343_c":{"slope":-0.0010992555756561002,"intercept":7.419717966529447,"variance":0.6149474041666049,"difficulty":160,"discrimination":0.004479398673070138,"irt_loglikelihood":-4346.127072567553,"irt_users":10385,"is_experimental":false},"abc343_d":{"slope":-0.0009714384296519561,"intercept":7.591789431947707,"variance":0.43867670520457686,"difficulty":422,"discrimination":0.004479398673070138,"irt_loglikelihood":-4088.260414920417,"irt_users":10385,"is_experimental":false},"abc343_e":{"slope":-0.0005492817572965762,"intercept":8.82675418564287,"variance":0.22936311620340608,"difficulty":1802,"discrimination":0.004479398673070138,"irt_loglikelihood":-1412.7461503162797,"irt_users":10385,"is_experimental":false},"abc343_f":{"slope":-0.0005608823028008131,"intercept":8.397911004528895,"variance":0.3029500856489622,"difficulty":1370,"discrimination":0.004479398673070138,"irt_loglikelihood":-2529.1378839301633,"irt_users":10385,"is_experimental":false},"abc343_g":{"slope":-0.0005810682203020961,"intercept":8.738660231582575,"variance":0.274581681475314,"difficulty":2114,"discrimination":0.004479398673070138,"irt_loglikelihood":-665.2821200235816,"irt_users":10385,"is_experimental":false},"abc344_a":{"slope":-0.0010688967353638895,"intercept":6.5241091449687545,"variance":0.8133134613546227,"difficulty":-793,"discrimination":0.004479398673070138,"irt_loglikelihood":-713.4426905153645,"irt_users":8521,"is_experimental":false},"abc344_b":{"slope":-0.0009055461565227633,"intercept":6.169107303621666,"variance":0.5296523608340533,"difficulty":-456,"discrimination":0.004479398673070138,"irt_loglikelihood":-1555.0227715119222,"irt_users":8521,"is_experimental":false},"abc344_c":{"slope":-0.0010399954672692755,"intercept":7.108716891027457,"variance":0.6058636871852602,"difficulty":131,"discrimination":0.004479398673070138,"irt_loglikelihood":-4090.335527780893,"irt_users":10125,"is_experimental":false},"abc344_d":{"slope":-0.0009627134545396401,"intercept":8.448556773291973,"variance":0.39944767722433294,"difficulty":854,"discrimination":0.004479398673070138,"irt_loglikelihood":-3747.9717643893778,"irt_users":10125,"is_experimental":false},"abc344_e":{"slope":-0.000576674698594425,"intercept":8.071331550214513,"variance":0.43904680076367014,"difficulty":973,"discrimination":0.004479398673070138,"irt_loglikelihood":-3932.2314136121295,"irt_users":10125,"is_experimental":false},"abc344_f":{"slope":-0.0006065574613431373,"intercept":8.890768137802658,"variance":0.23561174832549656,"difficulty":1922,"discrimination":0.004479398673070138,"irt_loglikelihood":-893.0687908703661,"irt_users":10125,"is_experimental":false},"abc344_g":{"slope":-0.00012593885219592453,"intercept":8.448051782575114,"variance":0.1718560303116467,"difficulty":3032,"discrimination":0.004479398673070138,"irt_loglikelihood":-74.23752265611473,"irt_users":10125,"is_experimental":false},"arc173_a":{"slope":-0.0009730273392632454,"intercept":9.148502426036055,"variance":0.46610523474109006,"difficulty":1073,"discrimination":0.004479398673070138,"irt_loglikelihood":-897.1987800353705,"irt_users":1764,"is_experimental":false},"arc173_b":{"slope":-0.0010046512801004774,"intercept":9.08129172699724,"variance":0.5709039287130144,"difficulty":1594,"discrimination":0.004479398673070138,"irt_loglikelihood":-848.8271501873312,"irt_users":1764,"is_experimental":false},"arc173_c":{"slope":-0.0004925682024944373,"intercept":8.9678642890481,"variance":0.18705659564706148,"difficulty":2008,"discrimination":0.004479398673070138,"irt_loglikelihood":-519.5122342597638,"irt_users":1764,"is_experimental":false},"arc173_d":{"slope":-0.00009828800795654501,"intercept":7.897902195635286,"variance":0.31278083576334864,"difficulty":2598,"discrimination":0.004479398673070138,"irt_loglikelihood":-218.87980992898537,"irt_users":1764,"is_experimental":false},"arc173_e":{"slope":-0.00040280162970237666,"intercept":9.015541068835491,"variance":0.2491790227168506,"difficulty":2869,"discrimination":0.004479398673070138,"irt_loglikelihood":-116.7819061139413,"irt_users":1764,"is_experimental":false},"arc173_f":{"is_experimental":false},"abc345_a":{"slope":-0.0010220391875562825,"intercept":6.680943022206329,"variance":0.7876504052548537,"difficulty":-515,"discrimination":0.004479398673070138,"irt_loglikelihood":-1214.5816254721353,"irt_users":8128,"is_experimental":false},"abc345_b":{"slope":-0.001095725265628582,"intercept":6.865534235698665,"variance":0.8703541262793535,"difficulty":-191,"discrimination":0.004479398673070138,"irt_loglikelihood":-2225.2310817445987,"irt_users":8128,"is_experimental":false},"abc345_c":{"slope":-0.0011719911928428934,"intercept":8.146134414178654,"variance":0.5391030003752781,"difficulty":469,"discrimination":0.004479398673070138,"irt_loglikelihood":-4317.83701618277,"irt_users":9394,"is_experimental":false},"abc345_d":{"slope":-0.0006239663208829395,"intercept":8.68459793258279,"variance":0.3705060520021246,"difficulty":1419,"discrimination":0.004479398673070138,"irt_loglikelihood":-2561.5291564367762,"irt_users":9394,"is_experimental":false},"abc345_e":{"slope":-0.0005940537494286943,"intercept":9.072424715564411,"variance":0.2600062402932499,"difficulty":2356,"discrimination":0.004479398673070138,"irt_loglikelihood":-415.85498722062664,"irt_users":9394,"is_experimental":false},"abc345_f":{"slope":-0.0007378826684347836,"intercept":9.253617756839576,"variance":0.2777792282824363,"difficulty":2157,"discrimination":0.004479398673070138,"irt_loglikelihood":-556.6482406718844,"irt_users":9394,"is_experimental":false},"abc345_g":{"slope":-0.0006110303101299748,"intercept":9.748179423123839,"variance":0.06757468374597009,"difficulty":3343,"discrimination":0.004479398673070138,"irt_loglikelihood":-23.85050690290265,"irt_users":9394,"is_experimental":false},"arc174_a":{"slope":-0.0010437032475961356,"intercept":8.31545984433858,"variance":0.5196400028440337,"difficulty":467,"discrimination":0.004479398673070138,"irt_loglikelihood":-969.6669760746512,"irt_users":2468,"is_experimental":false},"arc174_b":{"slope":-0.0009692443409113173,"intercept":8.485337398108333,"variance":0.44037429086067637,"difficulty":882,"discrimination":0.004479398673070138,"irt_loglikelihood":-1095.7995354032175,"irt_users":2468,"is_experimental":false},"arc174_c":{"slope":-0.0008099360559509869,"intercept":9.050811566574165,"variance":0.29652831914107636,"difficulty":1706,"discrimination":0.004479398673070138,"irt_loglikelihood":-784.7618756147002,"irt_users":2468,"is_experimental":false},"arc174_d":{"slope":-0.0007361090445237768,"intercept":8.964186488651238,"variance":0.2714114479806264,"difficulty":1592,"discrimination":0.004479398673070138,"irt_loglikelihood":-950.1877319364146,"irt_users":2468,"is_experimental":false},"arc174_e":{"slope":-0.0004473503057713716,"intercept":8.811313748890164,"variance":0.1114659634123392,"difficulty":2336,"discrimination":0.004479398673070138,"irt_loglikelihood":-321.93043391052737,"irt_users":2468,"is_experimental":false},"arc174_f":{"difficulty":3773,"discrimination":0.004479398673070138,"irt_loglikelihood":-15.725089339903214,"irt_users":2468,"is_experimental":false},"abc346_a":{"slope":-0.0009857679315885776,"intercept":5.938515415094842,"variance":0.8582048050510149,"difficulty":-1074,"discrimination":0.004479398673070138,"irt_loglikelihood":-322.6347462426163,"irt_users":8384,"is_experimental":false},"abc346_b":{"slope":-0.001042871296291178,"intercept":7.628816800061257,"variance":0.5423686209039158,"difficulty":213,"discrimination":0.004479398673070138,"irt_loglikelihood":-3453.220158329773,"irt_users":8384,"is_experimental":false},"abc346_c":{"slope":-0.001312926285095477,"intercept":7.461550090560036,"variance":0.6481035147891415,"difficulty":78,"discrimination":0.004479398673070138,"irt_loglikelihood":-3818.163802145639,"irt_users":9777,"is_experimental":false},"abc346_d":{"slope":-0.0009451444349811484,"intercept":8.370379082776404,"variance":0.32204572364997225,"difficulty":845,"discrimination":0.004479398673070138,"irt_loglikelihood":-3474.1028095174233,"irt_users":9777,"is_experimental":false},"abc346_e":{"slope":-0.0007543177401920138,"intercept":8.232402264776544,"variance":0.2764298783624363,"difficulty":1053,"discrimination":0.004479398673070138,"irt_loglikelihood":-2982.0906938688977,"irt_users":9777,"is_experimental":false},"abc346_f":{"slope":-0.00047463882967454564,"intercept":8.679828120495763,"variance":0.2294695903672512,"difficulty":1840,"discrimination":0.004479398673070138,"irt_loglikelihood":-1182.0885528983156,"irt_users":9777,"is_experimental":false},"abc346_g":{"slope":-0.0006386289735791004,"intercept":8.567365740953452,"variance":0.3155788185437715,"difficulty":2166,"discrimination":0.004479398673070138,"irt_loglikelihood":-647.0097228801434,"irt_users":9777,"is_experimental":false},"arc175_a":{"slope":-0.0008124304613256003,"intercept":8.887723268991113,"variance":0.2852677384967329,"difficulty":1132,"discrimination":0.004479398673070138,"irt_loglikelihood":-885.5700899865036,"irt_users":1709,"is_experimental":false},"arc175_b":{"slope":-0.0008361209102128175,"intercept":8.867729116758815,"variance":0.35775725058638147,"difficulty":924,"discrimination":0.004479398673070138,"irt_loglikelihood":-815.8352019238528,"irt_users":1709,"is_experimental":false},"arc175_c":{"slope":-0.00046445329745532343,"intercept":8.737226238025931,"variance":0.2664294358402359,"difficulty":2116,"discrimination":0.004479398673070138,"irt_loglikelihood":-560.8282168040007,"irt_users":1709,"is_experimental":false},"arc175_d":{"slope":-0.0005493446150781421,"intercept":8.820881255452333,"variance":0.3119322152953327,"difficulty":2276,"discrimination":0.004479398673070138,"irt_loglikelihood":-343.70636668008063,"irt_users":1709,"is_experimental":false},"arc175_e":{"slope":-0.000502139187661365,"intercept":9.382980589511844,"variance":0.15639893104738078,"difficulty":3223,"discrimination":0.004479398673070138,"irt_loglikelihood":-43.93724402775542,"irt_users":1709,"is_experimental":false},"arc175_f":{"is_experimental":false},"abc347_a":{"slope":-0.0010394809820807253,"intercept":6.132733766370926,"variance":0.85869213322926,"difficulty":-1026,"discrimination":0.004479398673070138,"irt_loglikelihood":-390.64301014419624,"irt_users":8568,"is_experimental":false},"abc347_b":{"slope":-0.001023126168222411,"intercept":6.508905422621337,"variance":0.6333032548372891,"difficulty":-238,"discrimination":0.004479398673070138,"irt_loglikelihood":-2082.227424466422,"irt_users":8568,"is_experimental":false},"abc347_c":{"slope":-0.0009548518706855503,"intercept":8.56676478547661,"variance":0.45742686986180175,"difficulty":926,"discrimination":0.004479398673070138,"irt_loglikelihood":-4466.362535660339,"irt_users":10061,"is_experimental":false},"abc347_d":{"slope":-0.0008179663115969047,"intercept":8.691861524823828,"variance":0.35760078362907727,"difficulty":1041,"discrimination":0.004479398673070138,"irt_loglikelihood":-3147.388386093923,"irt_users":10061,"is_experimental":false},"abc347_e":{"slope":-0.0007881757808586053,"intercept":8.12865477012435,"variance":0.3593938518453782,"difficulty":1166,"discrimination":0.004479398673070138,"irt_loglikelihood":-2501.638533306778,"irt_users":10061,"is_experimental":false},"abc347_f":{"slope":-0.00009404898411171949,"intercept":7.831902961191286,"variance":0.40794344154395323,"difficulty":2179,"discrimination":0.004479398673070138,"irt_loglikelihood":-626.5450159894732,"irt_users":10061,"is_experimental":false},"abc347_g":{"slope":-0.0007544889418473536,"intercept":9.833074742164177,"variance":0.3692848928661186,"difficulty":2876,"discrimination":0.004479398673070138,"irt_loglikelihood":-76.20502709304358,"irt_users":10061,"is_experimental":false}} \ No newline at end of file