aspect ratio 1 and blank space
On Windows R 2.12.0, the following seemed to work for me: par(pty="s") ## before plotting plot(1:10,xlim=c(0,20),ylim=c(0,30)) I do not find that setting the asp parameter does anything useful; indeed, the Help documentation seems to be backwards (asp=x/y not y/x). I probably misunderstood and/or misused it, though -- asp seems to interact with the xlim and ylim settings in inscrutable ways ... on Windows, anyway. HTH. Cheers, Bert
On Wed, Nov 17, 2010 at 9:26 AM, Silvia Cecere <scecere at yahoo.com> wrote:
Hi, I need to produce an ordinary scatter plot and it is vital that the aspect ratio equals 1. I set the axis as: plot(x, y, type="n", asp=1, ,ylim=c(-80,70),xlim=c(0,100)). The problem is that I get some 'additional' blank plot area (basically, the lower bound of xlim becomes quite negative). The xlim is not the range of the x-data, ?but I need the 0 there for further plotting. Any way to specify that even with asp=1, ?xlim=c(0,100)? Thanks,
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Bert Gunter Genentech Nonclinical Biostatistics