[Numpy-discussion] [Suggestion] Labelled Array

[Benjamin Root]

Seems like you are talking about xarray: https://github.com/pydata/xarray

Cheers!
Ben Root

On Fri, Feb 12, 2016 at 9:40 AM, Sérgio <filaboia at gmail.com> wrote:

> Hello,
>
> This is my first e-mail, I will try to make the idea simple.
>
> Similar to masked array it would be interesting to use a label array to
> guide operations.
>
> Ex.:
> >>> x
> labelled_array(data =
>  [[0 1 2]
>  [3 4 5]
>  [6 7 8]],
>                         label =
>  [[0 1 2]
>  [0 1 2]
>  [0 1 2]])
>
> >>> sum(x)
> array([9, 12, 15])
>
> The operations would create a new axis for label indexing.
>
> You could think of it as a collection of masks, one for each label.
>
> I don't know a way to make something like this efficiently without a loop.
> Just wondering...
>
> Sérgio.
>
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