[R] problem with putting text in outer margins (mtext outer=TRUE)

From: Janet Young <jayoung_at_fhcrc.org>
Date: Fri, 18 Jul 2008 16:00:12 -0700


Hi there,

I'm trying to get some text in the outer margins of my plots and am having trouble - the margin text is overlapping my plots, even though the outer margin I'm trying to put it in is very big.

I've simplified my problem down to this:


X11(width=7.5,height=10)

par(mfrow=c(6,1),oma=c(20,0,20,0), mar=c(0,3.1,1,2.1)) for (i in 1:6) {

    plot(cars[,"speed"],cars[,"dist"])
}
mtext("Position (Mb)", outer=TRUE, side=1) mtext("Position (Mb)", outer=TRUE, side=3)


It's an ugly and meaningless set of plots, but you can see my problem: the two "Position" strings are right up against the plot, the bottom one even overlapping the bottom plot. Does anyone know how I can get the text to appear in the big white space of the outer margin, rather than right up against the plot?

thanks in advance,

Janet Young

PS I'm using R 2.7.1 Patched (2008-07-01 r46019) on an i686 linux machine. I have the same problem if I do this on Mac OS X R 2.7.1 (2008-06-23).



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