ggplot2 - Background bands with ggplot in R -


i'm trying create box plots different groups. i'd color background in 3 horizontal bands. central 1 there observations near overall mean

mean(weight)-0.5 < x < mean(weight)+0.5

the other 2 bands below , upper ones.

theese plot

library(ggplot2) bp <- ggplot(data=plantgrowth, aes(x=group, y=weight, fill=group)) + geom_boxplot() bp

use geom_rect:

bp <- ggplot(data=plantgrowth, aes(x=group, y=weight, fill=group)) +     geom_rect(ymin = -inf, ymax = lwwt,                xmin = -inf, xmax = inf, fill = 'blue') +     geom_rect(ymin = lwwt, ymax = upwt,                xmin = -inf, xmax = inf, fill = 'pink') +      geom_rect(ymin = upwt, ymax = inf,            xmin = -inf, xmax = inf, fill = 'skyblue') +     geom_boxplot()  print(bp) ggsave("example.jpg", bp)

which gives figure:enter image description here

hopefully you'll change background colors :)


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