[SciPy-Dev] [Numpy-discussion] life expectancy of scipy.stats nan statistics

Ralf Gommers ralf.gommers@googlemail....
Wed Aug 24 06:04:42 CDT 2011


On Sun, Aug 21, 2011 at 3:22 AM, Bruce Southey <bsouthey@gmail.com> wrote:

> On Fri, Aug 19, 2011 at 10:19 PM,  <josef.pktd@gmail.com> wrote:
> > I'm just looking at http://projects.scipy.org/scipy/ticket/1200
> Cringe, I wrote that poor code...
> >
> > I agree with Ralf that the bias keyword should be changed to ddof as
> > in the numpy functions. For functions in scipy.stats, and statistics
> > in general, I prefer the usual axis=0 default.
>
> I agree for the keyword but not the axis since a user should expect
> the same default behavior as in numpy for the 'same' function.
>
> In this case I agree with Bruce, because then it'll be easy to switch to a
future numpy nanstd implementation.

>
> >
> > However, I think these functions, like scipy.stats.nanstd, should be
> > replaced by corresponding numpy functions, which might happen
> > relatively soon. But how soon?
>
> Anyhow, I like Mark's NA stuff for the little that I have done with it
> and there still is the masked stuff. But it is still going to be a
> while for it to be mainstream yet a really good numpy 2.0 feature. If
> the 'skipna' could be more general then these separate na handling
> functions would be unnecessary.
>
> >
> > Is it worth deprecating bias in scipy 0.10, and then deprecate again
> > for removal in 0.11 or 0.12?
> >
> > Josef
>
> +1
>
> OK, I'll do this then.

Ralf
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