In my previous post, I showed how to use cdata package along with ggplot2‘s faceting facility to compactly plot two related graphs from the same data. This got me thinking: can I use cdata to produce a ggplot2 version of a scatterplot matrix, or pairs plot? A pairs plot compactly plots every (numeric) variable in … Continue reading Scatterplot matrices (pair plots) with cdata and ggplot2