Solve a categorical partial pooling problem.

Source: R/partial_pooling.R

Please see https://win-vector.com/2017/09/25/custom-level-coding-in-vtreat/ and https://win-vector.com/2017/09/28/partial-pooling-for-lower-variance-variable-encoding/.

ppCoderC(v, vcol, y, w = NULL)

Arguments

v

character variable name
vcol

character, independent or input variable
y

logical, dependent or outcome variable to predict
w

row/example weights

Value

scored training data column