Output from fitting the BG/NBD model on data without covariates. It constitutes the estimation result and is returned to the user to use it as input to other methods such as to make predictions or plot the unconditional expectation.
Inherits from clv.fitted.transactions in order to execute all steps required for fitting a model without covariates and it contains an instance of class clv.model.bgnbd.no.cov which provides the required BG/NBD (no covariates) specific functionalities.
data.table that is the Customer-By-Sufficiency matrix with information about
each customers' recency, frequency, and total time observed in number of time-units
and as defined by the BG/NBD model.