Have you done a search on "www.r-project.org" -> search ->
"R site
search"? I just got 2 hits there, both of which suggest "Jim
Lindsey's
fmr function in the gnlm package. The help page has an example of both
ZIP and ZINB model fits. The gnlm package can be downloaded from
http://alpha.luc.ac.be/~jlindsey/rcode.html ".
hope this helps.
spencer graves
Haiyan Chen wrote:
>I want to generate 1,000 random samples of sample size=1,000 from ZINB.
>I know there is a rnegbin() to generate random samples from NB, and I know
>I can use
>the following process:
>
>do i=1 to 1000
>
>n=0
>
>do i=1 to 1000
>
> if runi(1)>0.1 then x(i) = 0; else
>x(i)=rnegbin();
>
>n=n+1;
>
>if n>1000 then stop;
>
>end;
>
>output;
>end;
>
>Anybody can help me out with the R code?
>Thanks very much ahead of time.
>Heyen
>
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