[scikit-learn] GradientBoostingRegressor with training, validation, and test set.

Olga Lyashevska o.lyashevskaya at gmail.com
Fri Jul 8 04:44:08 EDT 2016

Thanks for your help, Olivier.

I am doing parameter tweaking manually, right? Or can I implement
GridSearchCV? Then I wonder how I could specify that 'scoring' should be
done for validation set and not training.

Many thanks,

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