Dear all, again me
I have already updated my version of R. But still appears this message: plot(ctree(Surv(hours,state)~soil+volatile, data=data)) Error in loadNamespace(name) : there is no package called 'Formula' I cannot find a package "Formula" in my list of packages. What to do in that case? Thank you, Xavier ______________________________________________ R-help@r-project.org mailing list -- To UNSUBSCRIBE and more, see https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.
