[This article was first published on R – Opiniomics, and kindly contributed to R-bloggers]. (You can report issue about the content on this page here)
Want to share your content on R-bloggers? click here if you have a blog, or here if you don't.
As many of you will be aware, I like to post some R code, and I especially like to post base R versions of ggplot2 things!