ParetoNBDModel.distribution_new_customer_purchase_rate

ParetoNBDModel.distribution_new_customer_purchase_rate(data=None, *, random_seed=None)

Sample from the Gamma distribution representing purchase rates for new customers.

This is the purchase rate for a new customer and determines the time between purchases for any new customer.

Parameters:

• data (pd.DataFrame, optional) –

  DataFrame containing the following columns:

  • customer_id: unique customer identifier

  • covariates: Purchase and dropout covariate columns if original model had any.

  If not provided, the method will use the fit dataset.

• random_seed (RandomState, optional) – Random state to use for sampling.

Returns:

Dataset containing the posterior samples for the population-level purchase rate.

Return type:

xr.Dataset