Re: [R] Zero inflated Models- pscl package

2012-09-11 Thread Achim Zeileis
On Mon, 10 Sep 2012, Filipa J. wrote: Dear R users, I want to apply zero inflated models with continuous and categorical variables and I used pscl package from R and the zeroinf() function. My question are the follow: a) The value of fitted.values is mu or (1-p)*mu? where p is the

[R] Zero inflated Models- pscl package

2012-09-10 Thread Filipa J.
Dear R users, I want to apply zero inflated models with continuous and categorical variables and I used pscl package from R and the zeroinf() function. My question are the follow: a) The value of fitted.values is mu or (1-p)*mu? where p is the probability of zero came form a zero point mass b)