ColumnwiseUnion
- class lightautoml.transformers.base.ColumnwiseUnion(transformer, n_jobs=1)[source]
Bases:
UnionTransformer
Apply 1 columns transformer to all columns.
Example: encode all categories with single category encoders.
- Parameters:
transformer (
LAMLTransformer
) – Dataset - base transformer.n_jobs (
int
) – Number of threads.
- fit(dataset)[source]
Create transformer list and then fit.
- Parameters:
dataset (
LAMLDataset
) – Dataset with input features.- Returns:
self.
- fit_transform(dataset)[source]
Create transformer list and then fit and transform.
- Parameters:
dataset (
LAMLDataset
) – Dataset with input features.- Return type:
- Returns:
Dataset with new features.