[R] use different symbols for frequency in a plot

From: Kerry Bush <kerryrekky_at_yahoo.com>
Date: Tue 09 Aug 2005 - 04:57:44 EST


suppose I have the following data

x<-c(rep(.1,5),rep(.2,6),rep(.4,10),rep(.5,20)) y<-c(rep(.5,3),rep(.6,8),rep(1.2,8),rep(2.5,18),rep(3,4))

If I plot(x,y) in R, I will only get seven distinct points. What I want to do is to use different symbols to show the frequency at each point.

e.g. if the frequncey is between 1 and 5, then I plot the point as a circle; if the frequency is between 6 and 10, then I plot the point as a square; if the frequency is above 10, then I plot the point as a triangle.

I am not sure how to do this in R. Can anybody help me?



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