[Numpy-discussion] New functions.
david at silveregg.co.jp
Tue May 31 21:33:24 EDT 2011
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.
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