[Numpy-discussion] non-standard standard deviation

Pauli Virtanen pav+sp at iki.fi
Fri Dec 4 05:24:34 EST 2009


Thu, 03 Dec 2009 11:05:07 +0530, yogesh karpate wrote:

> The thing is that the normalization by (n-1) is done for the no. of
> samples
>>20 or23(Not sure about this no. but sure about the thing that this no
>>isnt
> greater than 25) and below that we use normalization by n. Regards
> ~ymk
> The thing is that the normalization by (n-1) is done for the no. of
> samples >20 or23(Not sure about this no. but sure about the thing
> that this no isnt greater than 25) and below that we use normalization
> by n.

Just to clarify: Numpy (of course) does not change the divisor depending 
on `n` -- Yogesh's post concerns probably some code of his own.

-- 
Pauli Virtanen




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