scaler = preprocessing.StandardScaler() X_train_std = scaler.fit_transform(X_train) X_val_std = scaler.fit_transform(X_val) X_test_std = scaler.fit_tr code example
Example: fit(X).transform(X.astype(float)
fit(X).transform(X.astype(float)
fit(X).transform(X.astype(float)