Cynthia Tedore <Cynthia.Tedore <at> biol.lu.se> writes:
>
> males is a factor. If I don't specify that, then it
> treats it as a numeric.
> any other suggestions?
transform(spiders,focal.chel=as.numeric(focal.chel),
opponent.chel=as.numeric(opponent.chel),fmales=factor(males))
model1<-lmer(threatened~focal.chelopponent.chel+(1|fmales),
na.action=na.omit,data=spiders)
I'm quite surprised (and a little skeptical) that `lmer` treats
males as a numeric in that particular context (i.e., when specified
as a grouping variable). Can you provide evidence (i.e., what specific
error/incorrect results do you get if you follow Pascal's advice) ?
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