Description Usage Arguments Value References Examples
Estimates parameters for the NBD model via Maximum Likelihood Estimation.
1 | nbd.EstimateParameters(cal.cbs, par.start = c(1, 1), max.param.value = 10000)
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cal.cbs |
Calibration period CBS. It must contain columns for frequency
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par.start |
Initial NBD parameters - a vector with |
max.param.value |
Upper bound on parameters. |
List of estimated parameters.
Ehrenberg, A. S. (1959). The pattern of consumer purchases. Journal of the Royal Statistical Society: Series C (Applied Statistics), 8(1), 26-41. doi: 10.2307/2985810
1 2 3 | data("groceryElog")
cbs <- elog2cbs(groceryElog)
nbd.EstimateParameters(cbs)
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r alpha
0.350372 5.821382
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