I get the same errors: > plotmath(area~cell,main="Myofibril areas by cell",ylab=expression("Areas > (mu*m^2)"),xlab="") Error: could not find function "plotmath"
> install.packages("grDevices") Warning in install.packages("grDevices") : argument 'lib' is missing: using '/home/elizabeth/R/i686-pc-linux-gnu-library/2.11' Warning message: In getDependencies(pkgs, dependencies, available, lib) : package ‘grDevices’ is not available and when I just do this: > install.packages() grDevices isn't in the list that pops up -- View this message in context: http://r.789695.n4.nabble.com/Where-can-I-download-install-grDevices-tp2401415p3300274.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.