Fe Transformer Script Jun 2026

def _build_pipeline(self): # Numerical branch num_cols = self.config['transformations']['numerical']['columns'] num_transformer = Pipeline(steps=[ ('imputer', SimpleImputer(strategy=self.config['transformations']['numerical']['missing_values'])), ('scaler', StandardScaler()) ])

import pandas as pd import numpy as np from sklearn.base import BaseEstimator, TransformerMixin from sklearn.preprocessing import StandardScaler, OneHotEncoder from sklearn.impute import SimpleImputer

Let’s break down the essential building blocks.