Is there a way to achieve
lbl=c("a", "b", "c", "d")
par(mfrow=c(2,2), ann=FALSE)
for (t in 1:4){
plot(seq(from=1,to=2*pi,length=100),
sin(t*seq(from=1,to=2*pi,length=100)), type="l")
title(main=paste("(", lbl[t], ")", sep=""))
}
without having to use an object like 'lbl'?
More generally: is it possible to iteratively (as in a loop) add
alphabetic titles to multi-plot graphics when the range over which 't'
above varies is of an arbitrary length? It is important that
ann=FALSE, because I don't want the axes labels.
Thanks in advance, and best regards.
Eduardo Horta
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