Horton

Re: [HACKERS] Standard Deviation function.

Bruce Momjian <maillist@candle.pha.pa.us>

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From: Bruce Momjian <maillist@candle.pha.pa.us>
To: stuporg@erols.com (Stupor Genius)
Cc: pgsql-hackers@postgresql.org
Date: 1998-06-05T03:24:16Z
Lists: pgsql-hackers 
> I had asked you how to calculate this and the variance early last
> year.  One (I think the variance) was two-pass because of the need
> for the average, but I thought the StdDev would work with the struct.

Variance is just square of std. dev, no?

> 
> Been a while and I still haven't configured #(*&^ FreeBSD ppp yet.

Bummer.

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