statsmodels/statsmodels — pull request #2048 by jseabold (2014-10-18 02:20:16+00:00)
Title: ENH: MNLogit strings/factor

Make sure MNLogit still works with strings, factors, object arrays. This got borked in the object array check that was added. Needs to go in for 0.6. So will also need a PR versus the 0.6.x maintenance branch.