[Numpy-discussion] New functions.

[Charles R Harris]

On Tue, May 31, 2011 at 7:33 PM, David <david at silveregg.co.jp> wrote:

> On 06/01/2011 10:08 AM, Charles R Harris wrote:
> > Hi All,
> >
> > I've been contemplating new functions that could be added to numpy and
> > thought I'd run them by folks to see if there is any interest.
> >
> > 1) Modified sort/argsort functions that return the maximum k values.
> >      This is easy to do with heapsort and almost as easy with mergesort.
> >
> > 2) Ufunc fadd (nanadd?) Treats nan as zero in addition. Should make a
> > faster version of nansum possible.
> >
> > 3) Fast medians.
>
> +1 for fast median as well, and more generally fast "linear" (O(kN))
> order statistics would be nice.
>
>
OK, noob question. What are order statistics?

Chuck
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