scikit-learn 1 · Preprocessing and pipelines
Scale features
Standardize to zero mean and unit variance. Fit on training data only, then transform both sets.
from sklearn.preprocessing import StandardScaler
scaler = StandardScaler().fit(X_train)
X_train_scaled = scaler.transform(X_train)
X_test_scaled = scaler.transform(X_test)
Official scikit-learn 1 documentation
More preprocessing and pipelines commands
All preprocessing and pipelines commands · scikit-learn 1 cheatsheet