[MRG+2] add get_feature_names to PolynomialFeatures#6372

Merged

jakevdp merged 4 commits intoscikit-learn:masterfrom

amueller:poly_feature_names

Feb 25, 2016

Commits on Feb 19, 2016

Commits on Feb 22, 2016

don't do ^1
amueller
committed

Commits on Feb 24, 2016

fixed doc for powers, added test
amueller
committed