I would need a real example to figure this out. Could you send me your data as an rda file (saved using save() and your code ? (No guarantees as to how fast I can reply, though. I'm somewhat busy with other things.)
On Thursday 05 February 2004 01:52 pm, Umberto Maggiore wrote: > It works. However, now I get another odd result: in some plots there are > straight lines connecting the end of a line with the beginning of another > one. > > On Wednesday 04 February 2004 04:03, Umberto Maggiore wrote: > >Using data from a multicenter study with a parallel-group design comparing > >two treatments, I plotted each subject's time change of X after > > stratifying for center: > > > >xyplot(X ~ time | center, type="l", panel=panel.superpose, groups=subject) > > > >Now I want these lines to take different colours according to the variable > >"treatment". Any help? > > Umm, you should already have lines colored differently by different > 'subject's. Do you want to further differentiate by treatment ? > > If that's so, there's probably no good way. You could try creating a new > factor combining subject and treatment and use that as the groups argument, > e.g., > > factor(paste(as.character(subject), as.character(treatment), sep = "/")) > > Deepayan > > ______________________________________________ > [EMAIL PROTECTED] mailing list > https://www.stat.math.ethz.ch/mailman/listinfo/r-help > PLEASE do read the posting guide! > http://www.R-project.org/posting-guide.html ______________________________________________ [EMAIL PROTECTED] mailing list https://www.stat.math.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
