Bin_Class: Bin reference class generator
In Zelazny7/rubbish: Scorecard modeling in R

Bin object generator class used to wrap binned variables.

x: numeric or factor vector to be discretized or summarized
name: name of the variable
perf: Performance object used to discretize and summarize x. Currently only binary performance supported.
tf: Transform object containing information for discretizing and summarizing x.
history: list of Transform objects. One for every operation on the Bin object.
args: saved arguments that were used to call the bin method.

expand(...): Updated Bin after inherited expand
factorize(newdata = .self$x): Return list of filters for exceptions, missing, and normal values