Hi @markus24135
I am not really familiar enough with the macro syntax to say for sure, but I would guess (and stress that it is only a guess) that the covariates associated with each of these could be identical, but may not be. In the first example in the paper (Brazilian traffic accidents), they are identical. In the Barthel index examples where zero and one inflation are fit, it appears that they are not identical, with the phi_var as a subset of the mu_var. I suppose if I tore into the coding I could give a better answer.
SteveDenham.
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