Marketing Analytics, Customer Lifetime Value, K Means Clustering, Probabilistic Models, Data Science.
penalizer_coef = 1e-06 tolerance = 1e-06 # Fitting the Gamma-Gamma Model ggf = GammaGammaFitter(penalizer_coef=penalizer_coef) ggf.fit( frequency=df_rftv["frequency"], monetary_value=df_rftv["monetary_value"], weights=None, # You may consider using weights if applicable verbose=True, tol=tolerance,