Simulate data according to Gamma/Gompertz/NBD model assumptions
ggnbd.GenerateData(n, T.cal, T.star, params, return.elog = FALSE)number of customers
length of calibration period
length of holdout period
Gamma/Gompertz/NBD parameters - a vector with r, alpha,
b, s and beta in that order
boolean - if TRUE then the event log is returned in
addition to the CBS summary
list with elements cbs and elog containing data.frames