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ImportError: No module named sklearn.cross_validation

It must relate to the renaming and deprecation of cross_validation sub-module to model_selection. Try substituting cross_validation to model_selection


train_test_split is now in model_selection. Just type:

from sklearn.model_selection import train_test_split

it should work


I guess cross selection is not active anymore. We should use instead model selection. You can write it to run, from sklearn.model_selection import train_test_split

Thats it.


Make sure you have Anaconda installed and then create a virtualenv using conda. This will ensure all the imports work

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[GCC 4.4.7 20120313 (Red Hat 4.4.7-1)] on linux2
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>>> from sklearn.cross_validation import train_test_split

sklearn.cross_validation is now changed to sklearn.model_selection

Just use

from sklearn.model_selection import train_test_split

I think that will work.


sklearn.cross_validation

has changed to

sklearn.model_selection

Checkout the documentation here: https://scikit-learn.org/stable/modules/cross_validation.html