I have a data set with x, y, and z (resp) values along with two columns for facetting in order to create a grid of tile plots.
The output of dput() is at the end of the post.
library(ggplot2)
My actual data set has six unique interactions between variables, however I've limited it to four for simplicity. I can create a tile plot with each unique combination, but not the whole set. The output of dput() is at …