Re: [R] Variance components from lm?

From: Liaw, Andy <andy_liaw_at_merck.com>
Date: Fri 15 Jul 2005 - 10:47:21 EST


> From: Spencer Graves
>
> Under normal circumstances, 'RSiteSearch("variance
> components")'
> would likely identify "lme" in package nlme and lmer in
> package lme4. I
> recommend lme, as it comes with a fairly complete set of helper
> functions described in Pinheiro and Bates (2000) Mixed-Effect
> Models in
> S and S-Plus (Springer). "lmer" is Doug Bates' next
> generation product
> currently under development and lacking some of the helper functions
> available with lme.
>
> spencer graves
> p.s. I said, "Under normal circumstances", because when I tried
> RSiteSearch just now, it didn't work. When I went to
> "www.r-project.org" -> Search -> "R site search", I got "Computer
> trouble, July 13, 2005". When it works (which is 99.7% of
> the time), it
> is my favorite tool for finding things about R for which I
> don't already
> know where to look.

The server (graciously created and maintained by Prof. Jonathan Baron) crashed and a hard drive failure. I was told it would likely be back online next Monday.

I missed this search engine, too, as I've grown to depend on it quite a bit.

Cheers,
Andy  

> Steve Ellison wrote:
>
> > I often use simple nested random-effect models for
> interlaboratory data.
> > The variance components are important things to know.
> >
> > Is there an R function or package that gets variance
> components from lm
> > objects? Or can someone point me to a method of doing so?
> >
> > ______________________________________________
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>
> --
> Spencer
> Graves, PhD
> Senior Development Engineer
> PDF Solutions, Inc.
> 333 West San Carlos Street Suite 700
> San Jose, CA 95110, USA
>
> spencer.graves@pdf.com
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> Fax: 408-280-7915
>
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>
>



R-help@stat.math.ethz.ch mailing list
https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html Received on Fri Jul 15 10:52:59 2005

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