scikit-learn/scikit-learn — pull request #2271 by amueller (2013-07-27 11:46:18+00:00)
Title: FIX/ENH make StandardScaler convert int input to float

Make StandardScaler convert int input to float and warn about it..., instead of warning and rounding for dense and crashing for sparse.
Will add an entry in changelog now.
Closes #1709.