14 May
2015
14 May
'15
8 a.m.
On Wed, May 13, 2015 at 3:27 PM, Nathaniel Smith
I don't think pandas allows blank values in integer columns? You might get better results asking on the pandas list, though -- see http://pandas.pydata.org/community.html
"integer columns" seems to be the key. they have to be float. Thanks Vincent Davis