[ADMB Users] Relationship between NB in ADMB and NB in R

[Mark Maunder]

Size=(mean^2)/(mean*tau-mean)

Because

Var=mean*tau

And

Var=mean+(mean^2)/size

From: users-bounces at admb-project.org [mailto:users-bounces at admb-project.org] On Behalf Of Mark Maunder
Sent: Saturday, February 11, 2012 12:19 PM
To: users at admb-project.org
Subject: [ADMB Users] Relationship between NB in ADMB and NB in R

How does the tau parameter in the ADMB negative binomial relate to the size parameter in R's dnbinom(x, size, prob, mu, log = FALSE) function?


Mark Maunder

IATTC fall workshop: Using Oceanography for Fisheries Stock Assessment and Management
11-14 October 2011, La Jolla, CA
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Inter-American  Tropical Tuna Commission

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