train_test_split函數

train_test_split是sklearn的庫函數，用於將數據集隨機劃分爲訓練子集和測試子集，並返回劃分好的樣本和標籤，在模型訓練中很好用。格式：html X_train,X_test, y_train, y_test =cross_validation.train_test_split(train_data,train_target,test_size=0.2, random_state=

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