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@OHDSI

Observational Health Data Sciences and Informatics

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  1. CommonDataModel CommonDataModel Public

    Definition and DDLs for the OMOP Common Data Model (CDM)

    HTML 1k 487

  2. Vocabulary-v5.0 Vocabulary-v5.0 Public

    Build process for the OHDSI Standardized Vocabularies. Currently not available as independent release.

    PLpgSQL 260 76

  3. Atlas Atlas Public

    ATLAS is an open source software tool for researchers to conduct scientific analyses on standardized observational data

    JavaScript 307 147

  4. Cyclops Cyclops Public

    Cyclops (Cyclic coordinate descent for logistic, Poisson and survival analysis) is an R package for performing large scale regularized regressions.

    C++ 42 33

  5. CohortMethod CohortMethod Public

    An R package for performing new-user cohort studies in an observational database in the OMOP Common Data Model.

    R 89 69

  6. PatientLevelPrediction PatientLevelPrediction Public

    An R package for performing patient level prediction in an observational database in the OMOP Common Data Model.

    R 214 91

Repositories

Showing 10 of 370 repositories
  • Data2Evidence Public

    Data2Evidence is an end-to-end solution for management and analysis of OMOP data - https://data2evidence.org

    OHDSI/Data2Evidence’s past year of commit activity
    TypeScript 32 Apache-2.0 10 271 46 Updated Feb 26, 2026
  • Circepy Public

    [under development] A one to one python implementation of the circe-be cohort definition classes

    OHDSI/Circepy’s past year of commit activity
    Python 5 1 8 3 Updated Feb 26, 2026
  • trex Public

    [Under development] Trex is the runtime for the D2E platform

    OHDSI/trex’s past year of commit activity
    Rust 2 MIT 0 0 1 Updated Feb 26, 2026
  • ohdsi-uk Public
    OHDSI/ohdsi-uk’s past year of commit activity
    R 0 1 1 0 Updated Feb 26, 2026
  • Characterization Public

    Various types of characterizations of a target and outcome cohort.

    OHDSI/Characterization’s past year of commit activity
    R 3 5 10 1 Updated Feb 25, 2026
  • FeatureExtraction Public

    An R package for generating features (covariates) for a cohort using data in the Common Data Model.

    OHDSI/FeatureExtraction’s past year of commit activity
    R 71 62 50 (1 issue needs help) 5 Updated Feb 25, 2026
  • OhdsiReportGenerator Public

    Code to extract data from the OHDSI results structure and generate plots, presentations and reports

    OHDSI/OhdsiReportGenerator’s past year of commit activity
    R 0 3 4 5 Updated Feb 25, 2026
  • Hecate Public

    Semantic search engine for OHDSI vocabulary

    OHDSI/Hecate’s past year of commit activity
    TypeScript 10 Apache-2.0 0 2 0 Updated Feb 25, 2026
  • Strategus Public

    An R package for coordinating and executing analytics using HADES modules

    OHDSI/Strategus’s past year of commit activity
    R 8 15 31 5 Updated Feb 25, 2026
  • Keeper Public

    A tool to support case validation

    OHDSI/Keeper’s past year of commit activity
    R 6 2 4 0 Updated Feb 25, 2026
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