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Message-ID: <49F1BA1F.9040506@krueger-family.de>
Date: 2009-04-24T13:09:51Z
From: Knut Krueger
Subject: plot() -  thicker points when pair exist  more than 1 time?

Hi to all,
is it possible to show in anyway that point 1,1 is existing more than 
1one time?
f.e.:
f<-  data.frame("x"=c(1,3,5,6,1),"y"=c(1,2,3,4,1))
plot(f)

Regards Knut