Re: [R] glm prb (Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : )

2010-08-30 Thread peter dalgaard
On Aug 29, 2010, at 10:24 PM, David Winsemius wrote: > > On Aug 29, 2010, at 3:13 PM, moleps wrote: > >> >> glm(A~B+C+D+E+F,family = binomial(link = "logit"),data=tre,na.action=na.omit) >> Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : >> contrasts can be applied only to factors

Re: [R] glm prb (Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : )

2010-08-29 Thread David Winsemius
On Aug 29, 2010, at 3:13 PM, moleps wrote: glm(A~B+C+D+E+F,family = binomial(link = "logit"),data=tre,na.action=na.omit) Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : contrasts can be applied only to factors with 2 or more levels however, glm(A~B+C+D+E,family = binomial(li

[R] glm prb (Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : )

2010-08-29 Thread moleps
glm(A~B+C+D+E+F,family = binomial(link = "logit"),data=tre,na.action=na.omit) Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : contrasts can be applied only to factors with 2 or more levels however, glm(A~B+C+D+E,family = binomial(link = "logit"),data=tre,na.action=na.omit) runs