Re: Variance of sample and whole dataset
- To: mathgroup at smc.vnet.net
- Subject: [mg51204] Re: [mg51192] Variance of sample and whole dataset
- From: DrBob <drbob at bigfoot.com>
- Date: Fri, 8 Oct 2004 02:54:54 -0400 (EDT)
- References: <200410070926.FAA10859@smc.vnet.net>
- Reply-to: drbob at bigfoot.com
- Sender: owner-wri-mathgroup at wolfram.com
That would be
biased[a_List]:=Block[{n=Length@a},(n-1)/n Variance[a]]
Bobby
On Thu, 7 Oct 2004 05:26:30 -0400 (EDT), Uwe Ziegenhagen <newsgroup at ziegenhagen.info> wrote:
>
>
> Hello,
>
> with Variance[list] and StandardDeviation[list] I get the
> variance/std.dev for samples.
>
> Is there any builtin command for the variance of whole dataset (division
> by n, not by n-1)?
>
> Uwe
>
>
--
DrBob at bigfoot.com
www.eclecticdreams.net
- References:
- Variance of sample and whole dataset
- From: Uwe Ziegenhagen <newsgroup@ziegenhagen.info>
- Variance of sample and whole dataset