[R] What happen for Negative binomial link in Lmer fonction?
bolker at ufl.edu
Thu Oct 22 20:39:18 CEST 2009
ROBARDET Emmanuelle wrote:
> Dear R users,
> I'm performing some GLMMs analysis with a negative binomial link.
> I already performed such analysis some months ago with the lmer() function
> but when I tried it today I encountered this problem:
> Erreur dans famType(glmFit$family) : unknown GLM family: 'Negative
> Does anyone know if the negative binomial family has been removed from
> this function?
> I really appreciate any response.
I would be extremely surprised if this worked in the past; to
the best of my knowledge the negative binomial family has
never been implemented in lmer. One could in principle
do a glmmPQL fit with the negative binomial family
(with a fixed value of the overdispersion parameter).
glmmADMB is another option.
Can you say which version etc. you were using???
Follow-ups should probably be sent to r-sig-mixed-models at r-project.org ....
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