Does polygon(c(x,rev(x)), c(y, rev(z)), col="orange") do what you want?
Bill Dunlap TIBCO Software wdunlap tibco.com On Mon, Jun 11, 2018 at 12:35 PM, L... L... <mar.lam...@hotmail.com> wrote: > Dear All, I know this is a trivial question .. but .. I want to shade the > area between 2 curves. For example: > > x <- 1:10 > > y <- 3*x^2 + 2*x + 7 > > z <- y + 100 > > plot(x, y, type = 'l') > > lines(x, z) > > I can not understand polygon. > > I tried > > polygon(cbind(c(min(x), x, max(x)), c(min(y), z, max(y))), col="#00CC66") > > But I do not return what I want. > > Thank you very much > > ML > > > > [[alternative HTML version deleted]] > > ______________________________________________ > 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. > [[alternative HTML version deleted]] ______________________________________________ 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.