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Is NAR calculated correctly? #6

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heneryville opened this issue Jun 8, 2016 · 2 comments
Open

Is NAR calculated correctly? #6

heneryville opened this issue Jun 8, 2016 · 2 comments

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@heneryville
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Looking at the NAR calculations, I assume it's supposed to be following that NAR formula provided by Lending Club. However, that formula is totaling valued as summed up over each monthly installment. Thus for each month of the loan the principle diminishes and is returned for the user. The formula you're using in LoanData doesn't appear to have any concept of time. It instead seems to assume that all profits and losses occur in a single month. This should give very skewed results for NAR.

Does that analysis seem correct to you?
@gcflymoto
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Yes it's not correct yet. I'd like to work on getting this addressed. Thanks for the pointer, Ill take a look

@bompus
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bompus commented Dec 12, 2016

Any update on this?

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@gcflymoto @bompus @heneryville