Re: [R] Marginal effects of ZINB models

2012-12-10 Thread Achim Zeileis
On Mon, 10 Dec 2012, Jeremy Goss wrote: Dear all, I am modeling the incidence of recreational anglers along a stretch of coastline, and with a vary large proportion of zeros (>80%) have chosen to use a zero inflated negative binomial (ZINB) distribution. I am using the same variables for both pa

[R] Marginal effects of ZINB models

2012-12-10 Thread Jeremy Goss
Dear all, I am modeling the incidence of recreational anglers along a stretch of coastline, and with a vary large proportion of zeros (>80%) have chosen 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