Re: [R] gam negative.binomial

I think the `gamlss' package can do this. Simon On Fri, 16 May 2008, Markus Loecher wrote: > Dear list members, > while I appreciate the possibility to deal with overdispersion for count > data either by specifying the family argument to be quasipoisson() or > negative.binomial(), it estimates j

[R] gam negative.binomial

Dear list members, while I appreciate the possibility to deal with overdispersion for count data either by specifying the family argument to be quasipoisson() or negative.binomial(), it estimates just one overdispersion parameter for the entire data set. In my applications I often would like the es