The R-package glmmADMB (not on CRAN) can do negative binomial response with
one level of Gaussian random effects. It also allows zero inflation.

Download site:

http://otter-rsch.com/admbre/examples/glmmadmb/glmmADMB.html

Regards,

hans


>Dear All,
>
>I'm analysing a negative binomial dataset from a population-based
>study. Many covariates were determined on household level, so all
>members of a household have the same value for those covariates.
>
>In STATA, there seems to be an option for 'clustered analysis' for
>neg-bin regression. Does an equivalent exist for R(MASS)'s glm.nb or a
>comparable function?
>
>Many thanks for all help!
>Lutz

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