[R] Suggested alternative to rgdal for Mac for making bubble plots with R 2.14?

[Hasan Diwan]

Mr Rupert,

On 23 November 2011 02:32, Jason Rupert <jasonkrupert at yahoo.com> wrote:
> Thanks for any suggested current alternative methods for creating bubble plots in R 2.14.

http://sas-and-r.blogspot.com/2010/09/example-85-bubble-plots-part-3.html

cat = rep(c(1, 2, 3), each=20)
abscissa = rnorm(60)
ordinate = rnorm(60)
z = runif(60)
plotcolor = ifelse(cat==1, "green", ifelse(cat==2, "red", "blue"))
symbols(ordinate, abscissa, circles=z, inches=1/5, bg=plotcolor)

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