Re: [R] Zero-Inflated Negative Binomial Regression

2013-06-04 Thread Achim Zeileis
On Tue, 4 Jun 2013, Carly Bobak wrote: Hi! I'm running a zero-inflated negative binomial regression on a large (n=54822) set of confidential data. I'm using the code: ZerNegBinRegress<-zeroinfl(Paper~.|., data=OvsP, dist="negbin", EM=TRUE) And keep getting the error: Warning message: glm.fit

[R] Zero-Inflated Negative Binomial Regression

2013-06-04 Thread Carly Bobak
Hi! I'm running a zero-inflated negative binomial regression on a large (n=54822) set of confidential data. I'm using the code: ZerNegBinRegress<-zeroinfl(Paper~.|., data=OvsP, dist="negbin", EM=TRUE) And keep getting the error: Warning message: glm.fit: fitted probabilities numerically 0 or