Categorical Encoding#
Feature-engine’s categorical encoders replace variable strings by estimated or arbitrary numbers.

Summary of Feature-engine’s encoders main characteristics#
Feature-engine’s categorical encoders work only with categorical variables by default.
From version 1.1.0, you have the option to set the parameter ignore_format
to True,
and make the transformers also accept numerical variables as input.
Other categorical encoding libraries#
For additional categorical encoding transformations, visit the open-source package Category encoders.