Re: [scikit-learn] Random Forest Regressor criterion

2017-08-30 Thread Sebastian Raschka
Hi, regarding MSE minimization vs variance reduction; it's been a few years but I remember that we had a discussion about that, where Gilles Louppe explained that those two are identical when I was confused about the wikipedia equation at https://en.wikipedia.org/wiki/Decision_tree_learning#Va

[scikit-learn] FW: Random Forest Regressor criterion

2017-08-30 Thread Evans J . R . A .
Hi there, I would like to fully understand how the Random Forest Regressor chooses how to split the data at each node. I understand that each tree considers a boostrap sample of the training data, and on each split a random subset of features (using max_features) are considered. But among thes