sklearn學習6----交叉驗證

1、kfold：自己分樣本來交叉驗證迭代   導入模塊：from sklearn.model_selection import KFold 參數： KFold(n_splits=3, shuffle=False, random_state=None) ''' n_splits : int, default=3 Number of folds. Must be at least 2. shuffle

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