Hello,
I am trying to fit a repeated measures linear mixed model (using lme)
but I don't want to include any random effects. I'm having trouble (even
after consulting Pinheiro & Bates 2000) figuring out how to specify the
repeated measure without including it in the specification of a random
effect.
My data consist of repeated "counts" in "plots" that I wish to model as
a function of "habitat". This attempt:
model<-lme(count~habitat-1,data=dataframe,method="ML")
doesn't consider the repeated nature of my counts (i.e., that there are
multiple rows in my dataframe for each plot). I know how to
include"plot" as a random effect, but I don't wish to do that, and I
can't see how to include it without doing so.
I'll appreciate any help you can provide.
Thanks, Mark
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