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

[Charles R Harris]

On Mon, Jul 15, 2013 at 6:58 PM, Benjamin Root <ben.root at ou.edu> wrote:

> To add a bit of context to the question of nansum on empty results, we
> currently differ from MATLAB and R in this respect, they return zero no
> matter what. Personally, I think it should return zero, but our current
> behavior of returning nans has existed for a long time.
>
> Personally, I think we need a deprecation warning and possibly wait to
> change this until 2.0, with plenty of warning that this will change.
>
Waiting for the mythical 2.0 probably won't work ;) We also need to give
folks a way to adjust ahead of time. I think the easiest way to do that is
with an extra keyword, say nanok, with True as the starting default, then
later we can make False the default.

<snip>

Chuck
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