[Numpy-discussion] feedback request: proposal to add masks to the core ndarray

Mark Wiebe mwwiebe@gmail....
Sat Jun 25 15:42:55 CDT 2011

On Sat, Jun 25, 2011 at 3:25 PM, Gael Varoquaux <
gael.varoquaux@normalesup.org> wrote:

> On Sat, Jun 25, 2011 at 03:16:39PM -0500, Mark Wiebe wrote:
> >    This is why I'm also proposing to add a 'mask=' parameter to ufuncs,
> for
> >    example, to expose the implementation details of the masked array
> system
> >    to people who need masks but need them to be a bit different. There
> may be
> >    other places this kind of thing would slip in as well.
> But I do not see how this is going to solve my use case, as I do not want
> to keep in memory the unmasked data, for memory usage reasons. :).

That problem requires an entirely different class of sparse storage data
structures, something that could be layered on top of the NumPy arrays but I
think is unfortunately out of scope for this discussion.


> Gael
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