Files
drift/transformations/scaler.py
T
2022-01-26 23:22:43 +01:00

15 lines
597 B
Python

from sklearn.preprocessing import MinMaxScaler, Normalizer, StandardScaler
from .sklearn import SKLearnTransformation
from typing import Literal
ScalerTypes = Literal['normalize', 'minmax', 'standardize']
def get_scaler(type: ScalerTypes) -> SKLearnTransformation:
if type == 'normalize':
return SKLearnTransformation(Normalizer())
elif type == 'minmax':
return SKLearnTransformation(MinMaxScaler(feature_range= (-1, 1)))
elif type == 'standardize':
return SKLearnTransformation(StandardScaler())
else:
raise Exception("Scaler type not supported")