Christoph

Results 1 issues of Christoph

Hi, I just followed the tutorial of [towardsdatascience.com:](https://towardsdatascience.com/whats-a-customer-worth-8daf183f8a4f) At the point: ``` bgf = BetaGeoFitter(penalizer_coef=0.001) bgf.fit(data['frequency'], data['recency'], data['T']) ``` I am running into a strange error: > (...)python3.7/site-packages/lifetimes/fitters/beta_geo_fitter.py", line 143,...