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2012 Dec 10
1
Marginal effects of ZINB models
...sen to use a zero inflated negative binomial (ZINB) distribution. I am using the same variables for both parts of the model, can anyone help me with R code to compute overall marginal effects of each variable? My model is specified as follows: ZINB <- zeroinfl(Tot.Anglers ~ Location + Season + Daytype + Holiday.not + CPUE + ShoreType + Access + Source.pop + WindSpeed + offset(beat_length), dist="negbin", data=anglers) Many thanks, Jeremy [[alternative HTML version deleted]]