[Numpy-discussion] count_nonzero axis argument?

[Sebastian Berg]

On Mon, 2018-09-17 at 12:37 +0100, Matthew Brett wrote:
> Hi,
> 
> Is there any reason that np.count_nonzero should not take an axis
> argument?  As in:
> 

No, sounds like an obvious improvement, but as also with those, someone
has to volunteer to do it...
Coding it will probably mean adding the NpyIter and possibly fast paths
(not sure about the state of count nonzero), but should not be very
difficult.

- Sebastian



> > > > np.better_count_nonzero([[10, 11], [0, 3]], axis=1)
> 
> array([2, 1])
> 
> It would be much more useful if it did...
> 
> Cheers,
> 
> Matthew
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