Remove three sides of border around ggplot facet strip label
问题 I have the following graph: And would like to make what I thought would be a very simple change: I would like to remove the top, right and bottom sides of the left facet label border lines. How do I do I remove those lines, or draw the equivalent of the right hand lines? I would rather not muck about with grobs, if possible, but won't say no to any solution that works. Graph code: library(ggplot2) library(dplyr) library(forcats) posthoc1 %>% mutate(ordering = -as.numeric(Dataset) + Test.stat,