A simple preprocessor.
Detects variable types, encodes everything as floats
for use with sklearn.
Applies one-hot encoding, missing value imputation and scaling.
Attributes
----------
ct_ : ColumnTransformer
Main container for all transformations.
columns_ : pandas columns
Columns of training data.
dtypes_ : Series of dtypes
Dtypes of training data columns.
types_ : something
Inferred input types.