That's fantastic! Thanks.
> -----Original Message----- > From: Marc Schwartz [mailto:marc_schwa...@me.com] > Sent: Friday, June 17, 2011 3:47 PM > To: Owen, Jason > Cc: 'r-help@r-project.org' > Subject: Re: [R] plot the y-axis upside down > > 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.