| From: | Bruce Momjian <maillist(at)candle(dot)pha(dot)pa(dot)us> |
|---|---|
| To: | stuporg(at)erols(dot)com (Stupor Genius) |
| Cc: | pgsql-hackers(at)postgresql(dot)org |
| Subject: | Re: [HACKERS] Standard Deviation function. |
| Date: | 1998-06-05 03:24:16 |
| Message-ID: | 199806050324.XAA08729@candle.pha.pa.us |
| Views: | Whole Thread | Raw Message | Download mbox | Resend email |
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| 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.
--
Bruce Momjian | 830 Blythe Avenue
maillist(at)candle(dot)pha(dot)pa(dot)us | Drexel Hill, Pennsylvania 19026
+ If your life is a hard drive, | (610) 353-9879(w)
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