



Changes from Version 1.0 to 2.4 [06-Nov-2014]

* Added new functions bgnbd.compress.cbs, 
  bgnbd.ConditionalExpectedTransactions, bgnbd.EstimateParameters, 
  bgnbd.Expectation, bgnbd.ExpectedCumulativeTransactions, bgnbd.LL, 
  bgnbd.PAlive, bgnbd.PlotDropoutRateHeterogeneity, 
  bgnbd.PlotFrequencyInCalibration, 
  bgnbd.PlotFreqVsConditionalExpectedFrequency, 
  bgnbd.PlotRecVsConditionalExpectedFrequency, bgnbd.PlotTrackingCum, 
  bgnbd.PlotTrackingInc, bgnbd.PlotTransactionRateHeterogeneity, 
  bgnbd.pmf, bgnbd.pmf.General
  
* Changed code of function pnbd.LL to improve numerical stability when
  transaction count and/or current time are large.

* Changed vignette to add new BG/NBD model walkthrough.

* Change maintainer info.

* Switch from gsl package to hypergeo package to compute 
	hypergeometric functions, enabling compatibility with Mavericks platform.



