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Add Additional Expressions to sBG Model #167

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ColtAllen opened this issue Feb 21, 2023 · 2 comments
Open

Add Additional Expressions to sBG Model #167

ColtAllen opened this issue Feb 21, 2023 · 2 comments
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CLV enhancement New feature or request

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@ColtAllen
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The research paper for the Shifted Beta-Geometric model used in discrete contractual modeling contains some additional expressions which can be added to #133:

https://faculty.wharton.upenn.edu/wp-content/uploads/2012/04/Fader_hardie_jim_07.pdf

Specifically, expressions 7 & 8 on page 6 of the paper, which are simplified variants of the closed-form probability mass function and cohort retention rate, respectively. There is also an equation for discounted lifetime value on the first page.
@ColtAllen ColtAllen added enhancement New feature or request CLV labels Feb 21, 2023
@ricardoV94 ricardoV94 mentioned this issue Feb 21, 2023
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@ricardoV94
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Probably relevant: #169

@ColtAllen
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I think adding customer_lifetime_value support for this model is a good idea, per #527.

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@ColtAllen @ricardoV94