Python, Error, Prediction, Reducing.
PolynomialFeatures # Perform feature selection using SelectKBest selector = SelectKBest(score_func=f_regression, k=5) X_train_selected = selector.fit_transform(X_train, y_train) X_test_selected = selector.transform(X_test) # Add polynomial features poly = PolynomialFeatures(degree=2) X_train_poly =