Home/ Questions/''no module named 'sklearn.cross_validation'' error - Easy way to fix?
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frankieturner
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Asked: 2022-06-17T05:35:57+00:00 In:

”no module named ‘sklearn.cross_validation” error – Easy way to fix?

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As the title says, I am getting the “no module named ‘sklearn.cross_validation’” error when I am trying to access a method from the cross-validation module:

from sklearn.cross_validation import train_test_split

Then it returns me following error:

ImportError: No module named sklearn.cross_validation

I need to find a solution for this error. Could you give me some advice?

   

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1 Answer

  1. Best Answer
    Expert

    The cause: You get this error when you try to import functions or classes from the cross_validation module instead of the model_selection module. In Scikit-Learn, the cross validation module is no longer available.

    The solution: Model_selection should be used instead of cross_validation.
    The renaming and deprecation of the cross validation sub-module to model selection could be the cause of this problem.

    cross_validation was deprecated in version 0.18 and was changed to model_selection from version 0.20 onwards.

    Instead of cross_validation, import model_selection as the following:

    from sklearn.model_selection import train_test_split
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