abline() takes the intercept and slope, which for a 1:1 relationship are 0 and 1, respectively. So: abline(0, 1)
Sarah On Fri, Jan 28, 2011 at 10:42 AM, Peter Francis <peterfran...@me.com> wrote: > Dear list, > > I am looking to plot a line on a graph to show the 1:1 relationship, in order > to demonstrate the pattern i have observed is off the line, however i am > unsure. I have tried abline but i can not see a function to plot the 1:1? > > > Any help would be greatly appreciated > > #generate data > y <- rnorm(30, mean=1.5, sd= 0.005) > x <- rnorm(30, mean=1.5, sd= 0.005) > plot(x,y) > > Thanks, > > Peter > > ______________________________________________ > 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. > -- Sarah Goslee http://www.functionaldiversity.org ______________________________________________ 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.
