[R-sig-ME] R-square in lme

Highland Statistics Ltd highstat at highstat.com
Wed Oct 31 12:26:18 CET 2012

From: Sylvia Opriessnig<Sylvia.Opriessnig at noe-lak.at>
To:"r-sig-mixed-models at r-project.org"
	<r-sig-mixed-models at r-project.org>
Subject: [R-sig-ME] R-square in lme
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Dear Madam or Sir

Thank you very much for your replies of my former question concerning the calculating of standard deviation/variance in lme.

I would have one further question, maybe anyone can give me an answer of it?

Do you know whether there exists a way to calculate a value similar to R² in R or do you also think, that this does not make sense for mixed linear models?



Measuring explained variation in linear mixed effects models
Xu (2002)
Statist. Med. 2003; 22:3527–3541 (DOI: 10.1002/sim.1572)



Dr. Alain F. Zuur
First author of:

1. Analysing Ecological Data (2007).
Zuur, AF, Ieno, EN and Smith, GM. Springer. 680 p.

2. Mixed effects models and extensions in ecology with R. (2009).
Zuur, AF, Ieno, EN, Walker, N, Saveliev, AA, and Smith, GM. Springer.

3. A Beginner's Guide to R (2009).
Zuur, AF, Ieno, EN, Meesters, EHWG. Springer

4. Zero Inflated Models and Generalized Linear Mixed Models with R. (2012) Zuur, Saveliev, Ieno.

Other books:http://www.highstat.com/books.htm

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