r - 如何使用R ggplot stat_summary绘制中位数和四分位数？

Question

如何将此统计摘要图中的上下点更改为25％四分位数和75％四分位数？

ggplot(data = diamonds) + stat_summary(
  mapping = aes(x = cut, y = depth),
  fun.ymin = min,
  fun.ymax = max,
  fun.y = median
)

Answer 1

ggplot(data = diamonds) + stat_summary(
  mapping = aes(x = cut, y = depth),
  fun.min = function(z) { quantile(z,0.25) },
  fun.max = function(z) { quantile(z,0.75) },
  fun = median)