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ghuiber / BTYD

BTYD 2.4.3
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Recency formula #1

Closed ercbk closed 1 year ago

ercbk commented 2 years ago

I can't find consistent formula for recency. I did find this definition in docs for python package, btyd, "This is equal to the duration between a customer's first purchase and their latest purchase. (Thus if they have made only 1 purchase, the recency is 0.)" Is the same formula that you use or something different? I did look through the code for your dc.ElogToCbsCbt and the functions it calls, but I didn't really follow it all that well. I was hoping you could give me something more straightforward.
Thanks

ghuiber commented 2 years ago

I don't know anything about the Python btyd package. In the R BTYD package recency is just what your intuition would suggest it is: the date of the latest observed transaction. See the first paragraph of section 3.1 in the vignette. There's no formula.