pydata/pandas — pull request #8063 by Magellanea (2014-08-18 21:09:16+00:00)
Title: Adding a warning when dropping NA values for panel.to_frame #7879

I've added a warning when the NaN values are dropped when calling pd.Panel(dict).to_frame() with the param filter_observations true

I've supplied a test case to be used against the example provided in the issue tracker