Re: [Scikit-learn-general] Some problems about gradient boosting module

2016-04-29 Thread Paolo Losi
Hi! On Wed, Apr 27, 2016 at 2:46 PM, Li Aodong wrote: > > First, it is about the subsample parameter description. As the picture > below, it says that "Choosing subsample < 1.0 leads to *a* *reduction of > variance and an increase in bias*". But I think choosing subsample < 1.0 > actually* increa

[Scikit-learn-general] Some problems about gradient boosting module

2016-04-27 Thread Li Aodong
Dear all, Recently I have been using scikit-learn as my tool box of traditional machine learning. And I am pretty surprised about the strength. However, I have also met some problems about gradient boosting module and I think you can help me figure them out. First, it is about the subsample