David Lloyd wrote: > I have code like this: - > > #----------------------------------------------------------------------- > ------------------------------------------------------ > > x=scan() > 0 0 0 0 0 1 2 3 4 > > y=scan() > 1 1 1 2 2 1 3 4 5 > > plot(x,y) > > identify(0,1,3) #Allows me to select manually to identify co-ordinate > (0,1) as being duplicated 3 times > identify(0,2,2) #Allows me to select manually to identify co-ordinate > (0,2) as being duplicated 2 times > #----------------------------------------------------------------------- > ------------------------------------------------------ > > Is there not a way I can automatically display if points are duplicated > and by how many times? > > I thought if I 'jittered' the points ever so slightly I could get an > idea of how many duplicates there are but with >100 points the graph > looks very messy. > Hi David. In the plotrix package there are a few functions that might be helpful.
cluster.overplot - moves ovelying points into a small cluster up to 9 count.overplot - displays the number of overlying points sizeplot - displays symbols with size relative to the number of points Jim ______________________________________________ R-help@stat.math.ethz.ch mailing list https://stat.ethz.ch/mailman/listinfo/r-help PLEASE do read the posting guide http://www.R-project.org/posting-guide.html and provide commented, minimal, self-contained, reproducible code.