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Tomasz,
thank you very much for the reply.
BTW, have you discovered the way to post the reply *before* the
question ? Or do you *anticipate* the question ? It would be a useful
T/A hint...
Dimitris Tsokakis
--- In amibroker@xxxxxxxxxxxxxxx, "Tomasz Janeczko" <amibroker@xxxx>
wrote:
> Dimitris,
>
> StDev in AFL is equivalent to MS Excel STDEVP
>
> (from population)
>
> Best regards,
> Tomasz Janeczko
> amibroker.com
> ----- Original Message -----
> From: "DIMITRIS TSOKAKIS" <TSOKAKIS@xxxx>
> To: <amibroker@xxxxxxxxxxxxxxx>
> Sent: Thursday, September 11, 2003 12:48 PM
> Subject: [amibroker] StDev() function
>
>
> > Tomasz,
> > Is z=StDev(C,n); equivalent to MSEXCEL STDEV
> > y=sqrt((n*Sum(C^2,n)-Sum(C,n)^2)/(n*(n-1)));
> >
> > The AFL graph looks like a
> > k=(1/n)*sqrt(n*Sum(C^2,n)-Sum(C,n)^2);
> > Is this k the internal formula for StDev() ?
> > TIA
> > Dimitris Tsokakis
> >
> >
> >
> >
> >
> >
> > Send BUG REPORTS to bugs@xxxx
> > Send SUGGESTIONS to suggest@xxxx
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