[R] GLMM, ML, PQL, lmer

Ben Bolker bolker at ufl.edu
Sun Feb 15 22:10:58 CET 2009

Youyi Fong <yfong <at> u.washington.edu> writes:

> Dear R community,
> I have two questions regarding fitting GLMM using maximum likelihood method.
> The first one arises from trying repeat an analysis in the Breslow and
> Clayton 1993 JASA paper. Model 3 of the epileptic dataset has two random
> effects, one subject specific, and one observation specific. Thus if we
> count random effects, there are more parameters than observations. When I
> try to run the following code, I get an error saying: "Error in
> mer_finalize(ans) : q = 295 > n = 236".

  It would be best to ask this question on the R mixed models
list, r-sig-mixed-models at r-project.org ...

  Ben Bolker

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