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Extend BG/NBD model with Time-Invariant Covariates
Extend package with functionality described in this paper:
Bruce Hardie, Incorporating Time-Invariant Covariates into the Pareto/NBD and BG/NBD Models.
Implementation plan:
- Add fitters to the
beta_geo_covar_fitter.pymodule hostingBetaGeoCovarsFitter(BaseFitter) class. - Extend testing routines for new class by analogy with
BetaGeoFitter()andBetaGeoBetaBinomFitter()classes.