pca data normalization
y=df_pca.pop('Next_Tmin') X_train, X_test, y_train, y_test = train_test_split(df_pca, y, test_size=0.3) #Data Normalization standardscaler = StandardScaler() X_train_ss = standardscaler.fit_transform(X_train) X_test_ss = standardscaler.transform(X_test)