python - Sklearn, gridsearch: how to print out progress during the execution? -

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i using gridsearch sklearn optimize parameters of classifier. there lot of data, whole process of optimization takes while: more day. watch performance of already-tried combinations of parameters during execution. possible?

set verbose parameter in gridsearchcv positive number (the greater number more detail get). instance:

gridsearchcv(clf, param_grid, cv=cv, scoring='accuracy', verbose=10)

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