Re: [R] Design package: plot summary

Cary Dehing-Oberije wrote: > Hi everybody, > > I am a new user of R, design package. > I am trying to plot the estimated hazard ratio's of my cox regression > model with the confidence intervals. But I keep getting the > message:Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : >

[R] Design package: plot summary

Hi everybody, I am a new user of R, design package. I am trying to plot the estimated hazard ratio's of my cox regression model with the confidence intervals. But I keep getting the message:Error in `contrasts<-`(`*tmp*`, value = "contr.treatment") : contrasts can be applied only to facto