[Numpy-discussion] Nanmean review

Arnaldo Russo arnaldorusso@gmail....
Sun Aug 11 18:10:16 CDT 2013


I have been waiting for a long time to see a nanmean function inside numpy.
I never looked inside this function, but I'm happy seeing this discussion
on github!


*Arnaldo D'Amaral Pereira Granja Russo*
Lab. de Estudos dos Oceanos e Clima
Instituto de Oceanografia - FURG

2013/8/10 Ralf Gommers <ralf.gommers@gmail.com>

> On Sat, Aug 10, 2013 at 12:48 AM, David Reed <david.reed.c@gmail.com>wrote:
>> Hello,
>> This is my first time contributing and I was hoping to get a review of a
>> change I made.  Here is the comparison link.
>> https://github.com/dvreed77/numpy/compare/nanmean
> Hi David, your contribution looks good and adding nanmean is a good idea.
> However, your code happens to overlap for almost 100% with an already
> submitted pull request: https://github.com/numpy/numpy/pull/3534. I
> suggest that you compare your implementation with the one in PR-3534, and
> maybe you can add an example there or fix some inconsistency.
> This doesn't seem all that consistent by the way. The PR doesn't have an
> example, so I don't know if it behaves the same:
>     >>> np.nanmean([1, np.nan, np.inf])       inf
> >>> np.nanmean([1, np.nan, np.inf, np.NINF])       nan
> Cheers,
> Ralf
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