Hai all, Thank you for your suggestions.
But I am still getting *memory error* while doing feature selection *fs = feature_selection.SelectPercentile(feature_selection.chi2, percentile=20)* *documenttermmatrix1 = fs.fit_transform(documenttermmatrix,y1)* *documenttermmatrix* will be of shape *(1594516,232832)* type of *documenttermmatrix * is *scipy csr matrix* Am I doing anything wrong? Is there any better way of doing feature selection?
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