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When and why do I have to use "trait" for multinomial multilevel models with MCMCglmm in R?

I want to estimate a multilevel multinomial logit model but I am struggling with the terminology and notation used by the R-package MCMCglmm. There is documentation ...
non-numeric_argument's user avatar
4 votes
1 answer
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Specifying a multilevel model in MCMCglmm (R), that is heteroskedastic at level one

I am considering MCMCglmm as an alternative to MLwiN. The former package works perfectly fine, but I cannot figure out how to model heteroskedasticity at level one. For instance, if I have the ...
Maxim.K's user avatar
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