paulgb/sklearn-pandas — pull request #8 by pbutler (2014-01-10 19:13:50+00:00)
Title: added PassthroughTransformer

Added PasshthroughTransformer that takes a column in a dataframe and makes no transformations useful for passing a column through unmolested (also verifies it's a float array which is a requirement to work correctly)

Added a few minor linebreaks for PEP8 compatibility and