I'm new to making bubble plots with R, so I was going to try the following:
https://stat.ethz.ch/pipermail/r-sig-geo/2009-August/006258.html

Unfortunately, it looks like rgdal is not part of 2.14.  I'm not sure if it was the mirror I selected or something else is going on. 


> install.packages("rgdal")
--- Please select a CRAN mirror for use in this session ---
Warning message:
In getDependencies(pkgs, dependencies, available, lib) :
  package ‘rgdal’ is not available (for R version 2.14.0)

Thanks for any suggested current alternative methods for creating bubble plots in R 2.14. 


I'm using the following set up:
R version 2.14.0 (2011-10-31)
Copyright (C) 2011 The R Foundation for Statistical Computing
ISBN 3-900051-07-0
Platform: i386-apple-darwin9.8.0/i386 (32-bit)

Thanks again.
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