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mcbroom
2011 Mar 08
1
Nesting random effects in lmer
Dear R experts,
Could you please tell me how to nest random effects in an lmer model?
Right now, my function looks like this:
Full<-lmer(Consortship~((1|Male)+(1|Female))+MaleRank+MaleAge+MMGroom+MMAggrRankControl+FemaleRank+FemaleAge+MFAggrMating+GroomBirth07+MatNoConsortGroomF,
family=poisson)
However, a) I'm not sure if placing the two random effects (Male and Female)
in parentheses actually achieves nesting, and b) I get an error message
about variable MMGroom (Error in model.frame...