[Numpy-discussion] Datarray BoF, part2

Rob Speer rspeer@MIT....
Wed Jul 21 16:32:45 CDT 2010


I agree with the idea that axis labels must be strings.

Yes, this is the opposite of my position on tick labels ("names"), but
there's a reason: ticks are often defined by whatever data you happen
to be working with, but axis labels will in the vast majority of
situations be defined by the programmer as they're writing the code.
If the programmer wants to name something, they'll certainly be able
to do so with a string.

-- Rob

On Wed, Jul 21, 2010 at 2:08 PM, Keith Goodman <kwgoodman@gmail.com> wrote:
> On Wed, Jul 21, 2010 at 10:58 AM, M Trumpis <mtrumpis@berkeley.edu> wrote:
>
>> Separately, regarding the permissible axis labels, I think we must not
>> allow any enumerated axis labels (ie, ints and floats). I don't
>> remember if there was a consensus about that yesterday. We don't have
>> the flexibility in the ndarray API to allow for the expression
>> darr.method(axis=2) to mean not the 2nd dimension, but the Axis with
>> label==2
>
> So the axis label rule could be either:
>
> 1. str only
> 2. Any hashable object except int or float
>
> #1 is looking better and better. Plus you already coded it :)
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