Force x-axis labels on facet_grid ggplot: x-axis labels differ per row
问题 I was so happy to find the greater part of a solution to my question in the post, "Force X axis text on for all facets of a facet_grid plot" . I'd like to create a graph to look somewhat like the OP Drew Steen's, except I have more than two rows of facets, and I'd like to make the x-axes labels different for each row. I made a super-hacky solution out of @baptiste's awesome answer (mostly because I am unfamiliar with the gtable package), and I'd like to know: If there is a more elegant