NaNFlags
- class lightautoml.transformers.numeric.NaNFlags(nan_rate=0.005)[source]
Bases:
LAMLTransformer
Create NaN flags.
- Parameters:
nan_rate (
float
) – Nan rate cutoff.
- fit(dataset)[source]
Extract nan flags.
- Parameters:
dataset (
Union
[NumpyDataset
,PandasDataset
]) – Pandas or Numpy dataset of categorical features.- Returns:
self.
- transform(dataset)[source]
Transform - extract null flags.
- Parameters:
dataset (
Union
[NumpyDataset
,PandasDataset
]) – Pandas or Numpy dataset of categorical features.- Return type:
- Returns:
Numpy dataset with encoded labels.