Samples number of future transactions based on drawn parameters
mcmc.DrawFutureTransactions(cal.cbs, draws, T.star = cal.cbs$T.star)data.frame with column t.x and T.cal
MCMC draws returned by pnbd.mcmc.DrawParameters, pggg.mcmc.DrawParameters, abe.mcmc.DrawParameters
length of period for which future transactions are counted
2-dim array [draw x cust] with sampled future transactions