[Developers] negative binomial density

[John Sibert]

I note that the documentation of the negative binomial density functions at
http://admb-project.org/documentation/api/group__PDF.html
is incomplete. Also the the  "overdispersion" parameter appears to be 
scaled to the expected value.

It would be helpful if someone would complete the documentation and 
provide some rationale for the "r" variable.

Sorry for the duplicate posting. I inadvertently posted this query to 
the users list.

Thanks,
John

-- 
John Sibert
Emeritus Researcher, SOEST
University of Hawaii at Manoa

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