Chris Angelico wrote: > On Fri, Jul 15, 2011 at 8:46 PM, Steven D'Aprano > <steve+comp.lang.pyt...@pearwood.info> wrote: >> In general, you have missing values in statistics because somebody >> wouldn't answer a question, and the Ethics Committee frowns on >> researchers torturing their subjects to get information. They make you >> fill out forms. >> > > Which, then, is in support of an explicit "User chose not to answer > this question" MISSING value.
Well yes, but None is an explicit missing value too. The question I have is if I should support None as that value, or something else. Or if anyone can put a good case for it, both, or neither and so something completely different. -- Steven -- http://mail.python.org/mailman/listinfo/python-list
