[Numpy-discussion] Computing Simple Statistics When Only they Frequency Distribution is Known
Anne Archibald
peridot.faceted@gmail....
Sat Nov 28 21:50:57 CST 2009
2009/11/28 Wayne Watson <sierra_mtnview@sbcglobal.net>:
>
> I was only illustrating a way that I would not consider, since the
> hardware has already created the pdf. I've already coded it pretty much
> as you have suggested. As I think I mention ed above, I'm a bit
> surprised numpy doesn't provide the code you suggest as part of some
> function. CalcSimplefromPDF(xvalues=mydatarray, avg=ture, minmax=true,
> ...).
Feel free to submit an implementation to numpy's issue tracker. I
suggest modifying mean, std, and var (at least) so that, like average,
they take an array of weights.
Anne
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