[R] negative binomial lmer
dwinsemius at comcast.net
Sat Dec 13 16:35:47 CET 2008
Perhaps because you have not loaded the package that contains it?
If you have installed MASS (via the super package VR) then try:
On Dec 11, 2008, at 4:29 PM, Marty Kardos wrote:
> I am running generalized linear mixed models (GLMMs) with the lmer
> from the lme4 package in R 2.6.2. My response variable is
> overdispersed, and
> I would like (if possible) to run a negative binomial GLMM with lmer
> possible. I saw a posting from November 15, 2007 which indicated
> that there
> was a way to get lmer to work with negative binomial by assigning:
> family =
> negative.binomial(theta=2.5) (or whatever value I would like to
> specify for
> theta). However I have not been able to get lmer to work while
> to specify the family as negative.binomial. I get an error message
> says "could not find fuction "negative.binomial".
> Is there a way to make lmer run negative binomial GLMMs with lmer in
> current version of R?
> Thanks so much!
> [[alternative HTML version deleted]]
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> and provide commented, minimal, self-contained, reproducible code.
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