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Put Labels (A,B, C...) on corners of figures
label.it(a = "", corn = 1, ...)
Graphical Side effects
letters
corner
graphical parameters passed from par
Jonathan M. Lees<jonathan.lees@unc.edu>
par(mfrow=c(2,2)) for(i in 1:4) { plot(rnorm(5), rnorm(5)) label.it(letters[i],1) }
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