dmanhattan

Attaching code to show how distribution of expected values for customers doesn't match fitted Gamma-Gamma distribution (possibly due to large right skew of customers with low numbers of repeat purchases)....

Hi, Not an expert but from my limited experience: >2. p, q and v from the GammaGammaFitter function p is the shape parameter of the Gamma distribution. The model assumes...

As stated in 2) ii of the paper: >ν ~ gamma(q, γ) which as I interpret* it implies that >zi ~ gamma(p, gamma(q, γ)) I.e. The output of the second...