scikit-learn/scikit-learn — pull request #1388 by arjoly (2012-11-21 09:30:47+00:00)
Title: WIP Issue 1047 base gradient boosting uses decision tree instead of tree.

It is an early pull request to treat issue 1047.

TODO list:

1. Use sklearn.tree.DecisionTreeRegressor instead of sklearn.tree._tree in gradient tree boosting.
2. Set a benchmark to measure the impact of 1.
3. Implement a _fit method in sklearn.tree.DecisionTreeRegressro as suggested in issue 1047

PS: This is my first pull request.