On Thu, Nov 11, 2010 at 5:27 PM, Terry Therneau <thern...@mayo.edu> wrote: > Gabor wrote: > At the above statement you have lost the environment of your formula. > >> m$formula <- tform > > Replace this with: > > m$formula <- as.formula(tform, environment(formula)) > > ---------------------- > No, I have not "lost" an environment. I manufactured a formula which
You manufactured a "character" string, not a "formula", and character strings don't have environments. > lacked something needed, but without the necessary hint that I needed > it. But that is semantics: A closer reread of help(model.frame) shows > that the documentation is there, I had missed it. > > I'm still puzzled by recover though. > > Terry T. > > -- Statistics & Software Consulting GKX Group, GKX Associates Inc. tel: 1-877-GKX-GROUP email: ggrothendieck at gmail.com ______________________________________________ R-devel@r-project.org mailing list https://stat.ethz.ch/mailman/listinfo/r-devel