On Jun 17, 2011, at 2:31 PM, Owen, Jason wrote: > Hello, > > I need to create a scatterplot where the y-axis is upside down. If I have > non-negative bivariate data in objects "x" and "y," then the operation > > plot(x, -y) > > gives me the figure I want -- a mirror image of plot(x, y) -- except that the > y-values (coordinates) are negative, which I don't want. Is there a simple > way to do this? > > Jason
This is where the 'ylim' argument to plot is helpful, along with ?rev and ?range: x <- 1:10 y <- 1:10 plot(x, y) versus: plot(x, y, ylim = rev(range(y))) HTH, Marc Schwartz ______________________________________________ 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.
