From sklearn model_selection import train_test_split là gì

>>> X_train, X_test, y_train, y_test = train_test_split[ ... X, y, test_size=0.33, random_state=42] ... >>> X_train array[[[4, 5], [0, 1], [6, 7]]] >>> y_train [2, 0, 3] >>> X_test array[[[2, 3], [8, 9]]] >>> y_test [1, 4]