All of a sudden I am getting an error when trying to plot literally anything when calling qplot() or ggplot().
> qplot(mpg, wt, data=mtcars)
The following `from` values were not present in `x`: col, color, pch, cex, lty, lwd, srt, adj, bg, fg, min, max
The following `from` values were not present in `x`: col, color, pch, cex, lty, lwd, srt, adj, bg, fg, min, max
Error in revalue(names(x), replace, warn_missing = warn_missing) :
x is not a factor or a character vector.
> sessionInfo()
R version 2.15.1 (2012-06-22)
Platform: x86_64-apple-darwin9.8.0/x86_64 (64-bit)
locale:
[1] en_US.UTF-8/en_US.UTF-8/en_US.UTF-8/C/en_US.UTF-8/en_US.UTF-8
attached base packages:
[1] stats graphics grDevices utils datasets methods base
other attached packages:
[1] rgbif_0.1.0 ggplot2_0.9.2.1 maps_2.2-6 plyr_1.7.1.99.1 acs_0.8 stringr_0.6.1
[7] devtools_0.8
loaded via a namespace (and not attached):
[1] colorspace_1.1-1 dichromat_1.2-4 digest_0.5.2 evaluate_0.4.2 grid_2.15.1
[6] gtable_0.1.1 httr_0.1.1 labeling_0.1 MASS_7.3-18 memoise_0.1
[11] munsell_0.4 parallel_2.15.1 proto_0.3-9.2 RColorBrewer_1.0-5 RCurl_1.91-1
[16] reshape2_1.2.1 scales_0.2.2 tools_2.15.1 whisker_0.3 XML_3.9-4