[Numpy-discussion] What should be the result in some statistics corner cases?

Charles R Harris charlesr.harris at gmail.com
Mon Jul 15 20:46:33 EDT 2013


On Mon, Jul 15, 2013 at 6:22 PM, Stéfan van der Walt <stefan at sun.ac.za>wrote:

> On Mon, 15 Jul 2013 08:33:47 -0600, Charles R Harris wrote:
> > On Mon, Jul 15, 2013 at 8:25 AM, Benjamin Root <ben.root at ou.edu> wrote:
> >
> > > This is going to need to be heavily documented with doctests. Also,
> just
> > > to clarify, are we talking about a ValueError for doing a nansum on an
> > > empty array as well, or will that now return a zero?
> > >
> > >
> > I was going to leave nansum as is, as it seems that the result was by
> > choice rather than by accident.
>
> That makes sense--I like Sebastian's explanation whereby operations that
> define an identity yields that upon empty input.
>

So nansum should return zeros rather than the current NaNs?

Chuck
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://mail.python.org/pipermail/numpy-discussion/attachments/20130715/b731c51f/attachment.html>


More information about the NumPy-Discussion mailing list