[R] GlmmPQL help

Mark Steer Mark.Steer at bristol.ac.uk
Fri Sep 9 16:40:08 CEST 2005


I'm running a GLMM on binomial choice data.  The outputs I receive are 
sensible except for the degrees of freedom, which come out much larger than 
expected.  Can anyone advise please?

Exptl design:
Response = Choice
Fixed Factors = Position, Treatment and Sex
Random Factor = ID nested within Treatment and Sex
Covariate = Delay

The model:
glmmPQL(FreeChoice ~ Position * Treatment + Sex + Delay, random = list(~Sex 
+ Treatment|Name), family = binomial)

Thanks, Mark


Mark Steer
School of Biological Sciences
University of Bristol
Woodland Road
Bristol, BS8 1UG

tel - ++44 (0)117 9545945 (int. 45945)

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