Dear All,
During the last few days I've been trying to get ggplot2 installed in my Mac but when installing dependencies I cannot access dichromat.
Error in download.file(url, destfile, method, mode = "wb", ...) :
  cannot open URL 'http://cran.stat.sfu.ca/bin/macosx/leopard/contrib/2.15/dichromat_1.2-4.tgz'

Any suggestions? Accept my apologies if this is not the  right list/forum for this questions. Thanks
/Jose




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