Thanks Gabor, this seems to work: ## plot with left and right axes ## modified from http://www.mayin.org/ajayshah/KB/R/html/g6.html set.seed(1) z <- zoo(cbind(A = cumsum(rnorm(100)), B = cumsum(rnorm(100, mean = 0.2)))) opar <- par(mai = c(.8, .8, .2, .8)) plot(z[,1], type = "l", xlab = "X axis label", ylab = "")
usr <- par("usr") opar <- par(usr = c(usr[1:2], c(1, 15))) par(new = TRUE) plot(z[,1]+rnorm(100),col="green",ylab="",yaxt="n",xlab="") axis(2, pos = usr[1] - diff(usr[1:2])/30, col = "green") par(new = TRUE) plot(z[,2], type = "l", ann = FALSE, yaxt = "n", col = "blue") # axis(4) Axis(side = 4) par(opar) "Gabor Grothendieck" <[EMAIL PROTECTED]> 30/06/2008 12:07 To [EMAIL PROTECTED] cc r-help@r-project.org Subject Re: [R] Plotting three time series on the same graph In the zoo package there is an example of a graph with an axis on the left and on the right in the examples section of ?plot.zoo. Run that with but use ylab = "" on the plot call to make room for the third axis. To add a third axis supposing 1 - 15 is the range of our third time series: usr <- par("usr") opar <- par(usr = c(usr[1:2], c(1, 15))) axis(2, pos = usr[1] - diff(usr[1:2])/12, col = "green") par(opar) On Mon, Jun 30, 2008 at 5:11 AM, <[EMAIL PROTECTED]> wrote: > Dear R Users, > > I would like to plot three time series on the same graph, two axis on the > left and one axis on the right. > > The time series that I am graphing on the left do not share a similar > scale: one has a range of 1:100 and the other a range of 25000:70000. How > can I display the tick marks for both on the left hand side without > superimposing them, i.e. one set of tick marks in black right up on the > edge of the plot and another set of tick marks in red placed further to > the left so that the tick marks and axis identifiers do not sit on top of > each other ? > > Many thanks in advance, > Tolga > > Generally, this communication is for informational purposes only > and it is not intended as an offer or solicitation for the purchase > or sale of any financial instrument or as an official confirmation > of any transaction. In the event you are receiving the offering > materials attached below related to your interest in hedge funds or > private equity, this communication may be intended as an offer or > solicitation for the purchase or sale of such fund(s). 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[[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.