Hi John, Perhaps the most direct way would be: plot(fit1, col=1:2) xylim<-par("usr") clip(4,xylim[2],xylim[3],xylim[4]) lines(fit2,col=1:2)
Remember that the new clipping rectangle will persist until you or something else resets it. Jim On Tue, Sep 29, 2020 at 10:34 AM array chip via R-help <r-help@r-project.org> wrote: > > Hello, > > Can anyone suggest a simple way to generate a Kaplan-Meier plot with 2 > survfit objects, just like this one: > > https://drive.google.com/file/d/1fEcpdIdE2xYtA6LBQN9ck3JkL6-goabX/view?usp=sharing > > Suppose I have 2 survfit objects: fit1 is for the curve on the left (survtime > has been truncated to the cutoff line: year 5), fit2 is for the curve on the > right (minimum survival time is at the cutoff line: year 5), but if I do the > following: > > plot(fit1, col=1:2) > lines(fit2,col=1:2) > > Then I will have an horizontal line on the top that connect from 0 to 4 > years, which I do not want that to be drawn (see blue arrow below): > > https://drive.google.com/file/d/178mQGlhnaOg9PA-oE-W_W5CtrGD03ljH/view?usp=sharing > > Can anyone have a strategy to make this kind of plot happen? > > Thanks, > > John > > ______________________________________________ > 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. ______________________________________________ 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.