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📅 最后修改于: 2022-03-11 14:46:02.395000 🧑 作者: Mango
X_train, X_test, y_train, y_test = train_test_split(X, y, test_size=0.2, random_state=1) X_train, X_val, y_train, y_val = train_test_split(X_train, y_train, test_size=0.25, random_state=1)