Is your feature request related to a problem? Please describe.
When working with categorical data, it is useful to be able to group a number of features in order to reduce cardinality. The feature is usefull when the user knows that some categories are similar.
Describe the solution you'd like
A Transformer that maps specified features into one
Is your feature request related to a problem? Please describe.
When working with categorical data, it is useful to be able to group a number of features in order to reduce cardinality. The feature is usefull when the user knows that some categories are similar.
Describe the solution you'd like
A Transformer that maps specified features into one