Hi I want to draw sth in a pdf file with a predefined defined size.
Say a 5cm x 3cm rectangle (a ruler):
pdf("rect.pdf", paper="a4")
plot(c(1,5,5,1,1),c(1,1,3,3,1),asp=1,axes="n")
dev.off()
but how do I fix that one unit is 1cm?
Thanks
thomas
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