set default for min_group_size min_group_size is set to 0.01, setting of some value required for combine_min_nan.
set default for min_group_size
min_group_size is set to 0.01, setting of some value required for combine_min_nan.

wdm0006/categorical_encoding,wdm0006/categorical_encoding,scikit-learn-contrib/categorical-encoding,scikit-learn-contrib/categorical-encoding