[ADMB Users] Estimating the dispersion parameter of the negative binomial

[dave fournier]

 >Is it possible to estimate the dispersion parameter of the negative 
binomial GLM using maximum >Likelihood in ADMB (i.e. admbglmm) and if so 
why is this possible given others use two component >iterative methods 
such as the EM algorithm or profiling over the dispersion parameter?

 >Thanks,

 >Mark


Yes you could make the overdispersion any kind of function of the mean 
and other
parameters/covariates that you want.  R sucks.