[R] negative binomial in GEE

[Thomas Lumley]

On Tue, 27 Sep 2005, Simon.Bond wrote:

>
> Does anyone have any suggestions for a way round this problem for the
> future (I had to resort to using Stata), or maybe more realistically, how
> much work it would take to build an extendible version of the gee
> "algorithm"?
>

I don't think it would take that much work [and I've done it a couple of 
times, once in XLISP-Stat and once in SPIDA].  An entirely interpreted 
implementation will be relatively slow, though it might be possible to 
improve that quite a bit with sparse matrix techniques.

 	-thomas