[Jprogramming] Correlation Coefficient

[Oleg Kobchenko]

--- Raul Miller <rauldmiller at gmail.com> wrote:

> On 6/26/07, Oleg Kobchenko <olegykj at yahoo.com> wrote:
> > Although in correlation the n-1 cancel out, statistical stddev
> > and cov should use sample variance, as the estimated mean is
> > used in E(X-E(X))^2 is one less degree of freedom.
> 
> I am rather dubious of any context where that's a significant
> issue.
> 
> Anyways, if I had really wanted to represent traditional standard
> deviation, I'd used STDDEV as a name, rather than SD.

What does SD stand for?



 
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