Description Usage Arguments Details Value Examples
Plots and returns the estimated gamma distribution of lambda (customers' propensities to purchase).
1 | pnbd.PlotTransactionRateHeterogeneity(params, lim = NULL)
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params |
Pareto/NBD parameters - a vector with r, alpha, s, and beta, in that order. r and alpha are unobserved parameters for the NBD transaction process. s and beta are unobserved parameters for the Pareto (exponential gamma) dropout process. |
lim |
upper-bound of the x-axis. A number is chosen by the function if none is provided. |
This returns the distribution of each customer's Poisson parameter, which determines the level of their purchasing (using the Pareto/NBD assumption that purchasing on the individual level can be modeled with a Poisson distribution).
Distribution of customers' propensities to purchase.
1 2 3 4 | params <- c(0.55, 10.56, 0.61, 11.64)
pnbd.PlotTransactionRateHeterogeneity(params)
params <- c(3, 10.56, 0.61, 11.64)
pnbd.PlotTransactionRateHeterogeneity(params)
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