Multirow axis labels with nested grouping variables
问题 I would like the levels of two different nested grouping variables to appear on separate lines below the plot, and not in the legend. What I have right now is this code: data <- read.table(text = \"Group Category Value S1 A 73 S2 A 57 S1 B 7 S2 B 23 S1 C 51 S2 C 87\", header = TRUE) ggplot(data = data, aes(x = Category, y = Value, fill = Group)) + geom_bar(position = \'dodge\') + geom_text(aes(label = paste(Value, \"%\")), position = position_dodge(width = 0.9), vjust = -0.25) What I would