[R-sig-ME] random effects coefficients

Cornelia Oedekoven cornelia at mcs.st-and.ac.uk
Tue Nov 24 14:48:51 CET 2009


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 

Thank you very much. Cheers, Cornelia

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