Knut Krueger wrote: > 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) Hi Knut, Taka a look at cluster.overplot and count.overplot in the plotrix package. Jim