[R-sig-ME] random effects coefficients

[Luca Borger]

Hello,

have a look at these slides by Douglas Bates on mixed effects models:
 
http://lme4.r-forge.r-project.org/slides/

e.g.
http://lme4.r-forge.r-project.org/slides/2009-07-07-Rennes/4Theory-4.pdf

perhaps you might find them useful.



HTH

Cheers,

Luca


----- Original Message -----
From: "Cornelia Oedekoven" <cornelia at mcs.st-and.ac.uk>
To: r-sig-mixed-models at r-project.org
Sent: Tuesday, 24 November, 2009 08:48:51 GMT -05:00 US/Canada Eastern
Subject: [R-sig-ME] random effects coefficients

Hi,

I am using the glmer function from the lme4 library to fit mixed-effect 
models to my data. When using the ranef function I can extract the 
random effect coefficients from the model. What I would like to know is 
how these are estimated. What is the algebra involved in getting these 
estimates?

Thank you very much. Cheers, Cornelia

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