Hi, thanks for the answer. Here is the output:
> sessionInfo() R version 2.14.1 (2011-12-22) Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit) locale: [1] C/en_US.UTF-8/C/C/C/C attached base packages: [1] grid stats graphics grDevices utils datasets methods [8] base other attached packages: [1] gplots_2.10.1 KernSmooth_2.23-7 caTools_1.12 bitops_1.0-4.1 [5] gdata_2.8.2 gtools_2.6.2 loaded via a namespace (and not attached): [1] MASS_7.3-16 RColorBrewer_1.0-5 colorspace_1.1-1 dichromat_1.2-4 [5] digest_0.5.2 ggplot2_0.9.0 memoise_0.1 munsell_0.3 [9] plyr_1.7.1 proto_0.3-9.2 reshape2_1.2.1 scales_0.2.0 [13] stringr_0.6 tools_2.14.1 -- View this message in context: http://r.789695.n4.nabble.com/trouble-loading-ggplot2-using-R-tp3332044p4583568.html Sent from the R help mailing list archive at Nabble.com. ______________________________________________ R-help@r-project.org 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.