On Mon, Mar 12, 2012 at 8:04 PM, Neal Becker <ndbecker2@gmail.com> wrote:

I see unique does not take an axis arg.

Suggested way to apply unique to each column of a 2d array?

A for-loop? I'm guessing that there isn't an axis keyword because the number of unique elements per column may not be the same, so you can't return an ndarray. Ralf