Re: [HACKERS] Standard Deviation function.

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: Raw Message | Whole Thread | Download mbox | Resend email
Thread:
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)
+ Christ can be your backup. | (610) 853-3000(h)

In response to

Browse pgsql-hackers by date

  From Date Subject
Next Message David Gould 1998-06-05 05:00:19 Re: [HACKERS] keeping track of connections
Previous Message Stupor Genius 1998-06-05 03:22:09 RE: [HACKERS] Standard Deviation function.