Hi, Jim, Thanks for the information. But I am still not clear how to show the 3 separated Y axis. If I just call par(new=TRUE), the three axes are overlapped.
attached some test data. Thanks. Jun ========================================================================= structure(list(Time = 1:10, y1 = c(1000, 900, 810, 729, 656.1, 590.49, 531.441, 478.2969, 430.46721, 387.420489), y2 = c(10, 8, 6.4, 5.12, 4.096, 3.2768, 2.62144, 2.097152, 1.6777216, 1.34217728 ), y3 = c(0.1, 0.075, 0.05625, 0.0421875, 0.031640625, 0.02373046875, 0.0177978515625, 0.013348388671875, 0.0100112915039063, 0.00750846862792969 )), .Names = c("Time", "y1", "y2", "y3"), class = "data.frame", row.names = c(NA, -10L)) On Thu, May 26, 2011 at 10:49 AM, jim holtman <jholt...@gmail.com> wrote: > There is nothing to prevent you from putting 3 y-axis on your plot; > might be confusing, but it can be done. What have you tried and why > do you say "guess not"? With the use of par(new=TRUE) or by doing > your own scaling, you can use 'axis' to put as many axises as you want > on your graph. > > On Thu, May 26, 2011 at 11:35 AM, Jun Shen <jun.shen...@gmail.com> wrote: > > Dear list, > > > > We have three time course profiles with very different scales, and we > want > > to show them in one plot. Is it possible to have three y axis? I guess > not, > > then what would be other options? something like two 2-y axis plots on a > > three dimensional view? Appreciate any comment. > > > > Jun Shen > > > > [[alternative HTML version deleted]] > > > > ______________________________________________ > > R-help@r-project.org mailing list > > 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. > > > > > > -- > Jim Holtman > Data Munger Guru > > What is the problem that you are trying to solve? > [[alternative HTML version deleted]] ______________________________________________ R-help@r-project.org mailing list 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.