Hi,
I would like to be able to shade the background of part of an axis. To
illustrate, consider the following code:
par(xaxt="n")
x=1:10
y=rnorm(10,0,1)
plot(x,y,type="l",xlab=NA)
mtext(text=LETTERS[1:10], side=1, at=1:10)
How can I make the background behind, say, "G H I" on the x-axis red? I have
tried using "polygon," but cannot seem to get it to plot outside the graph
borders.
Any suggestions?
Miguel
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