search for: farmstatus

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2005 Mar 28
1
glmmPQL questions
...(My outcome is positive or negative at the level of the farm). I am using R version 2.0.1 on a Mac and have identified glmmPQL as hopefully the correct function to use. I have run a couple of models using this but was hoping that you might be able to answer a few questions. e.g. model<-glmmPQL(farmstatus~cattlenumber,random~1|farm,binomial) I am pretty new to both R and stats so if these questions are very simple and I am just missing something, suggestions about good texts on GLMM in R would be great. First up, what is the best way to constrain the model to only look at certain levels of a multi...