violin.r

vcontext("violin")

set.seed(111)
dat <- data.frame(x = LETTERS[1:3], y = rnorm(90))
dat <- dat[dat$x != "C" | c(T, F),]  # Keep half the C's


ggplot(dat, aes(x = x, y = y)) + geom_violin()
save_vtest("basic")

ggplot(dat, aes(x = x, y = y)) + geom_violin(scale = "count")
save_vtest("scale area to sample size (C is smaller)")

ggplot(dat, aes(x = x, y = y)) + geom_violin(width = .5)
save_vtest("narrower (width=.5)")


ggplot(dat, aes(x = x, y = y)) + geom_violin(trim = FALSE) + geom_point(shape = 21)
save_vtest("with tails and points")

ggplot(dat, aes(x = x, y = y)) + geom_violin(adjust = .3) + geom_point(shape =
    21)
save_vtest("with smaller bandwidth and points")


ggplot(dat, aes(x = "foo", y = y, fill = x)) + geom_violin()
save_vtest("dodging")

ggplot(dat, aes(x = x, y = y)) + geom_violin() + coord_polar()
save_vtest("coord_polar")

ggplot(dat, aes(x = x, y = y)) + geom_violin() + coord_flip()
save_vtest("coord_flip")

ggplot(dat, aes(x = "foo", y = y, fill = x)) + geom_violin() + coord_flip()
save_vtest("dodging and coord_flip")

ggplot(dat, aes(x = as.numeric(x), y = y)) + geom_violin()
save_vtest("continuous x axis, multiple groups (center should be at 2.0)")

ggplot(dat, aes(x = as.numeric(1), y = y)) + geom_violin()
save_vtest("continuous x axis, single group (center should be at 1.0)")

dat2 <- data.frame(x = LETTERS[1:3], y = rnorm(90), g = letters[5:6])

ggplot(dat2, aes(x = x, y = y, fill = g)) + geom_violin()
save_vtest("grouping on x and fill")

ggplot(dat2, aes(x = x, y = y, fill = g)) +
  geom_violin(position = position_dodge(width = .5))
save_vtest("grouping on x and fill, dodge width = 0.5")

end_vcontext()