[SciPy-User] Is kKahan summation used in numpy.mean?
Tue Apr 6 07:26:03 CDT 2010
On יום שלישי 06 אפריל 2010 12:22:38 you wrote:
> I seem to be getting a much better accuracy from numpy.mean then from a
> loop of a += val; a /= num_vals. I've seen some discussion on mailing
> lists about using Kahan summation for mean(), so I suspect this is the
> reason, but I can't for the life of me find if it was finally implemented
> or not. Anybody knows?
> Also, if you know where it is in the numpy source tree, please tell - I
> searched it the whole morning.
Never mind, I had a sneaky bug somewhere else that caused this.
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