现代统计图形 - 科学网—博客

5.24 带状图 119
1 > layout(matrix(1:2, 2), height = c(1.5, 1))
2 > boxplot(count ~ spray, data = InsectSprays, horizontal = TRUE,
3 + border = "red", col = "lightgreen", at = 1:6 -
4 + 0.3)
5 > stripchart(count ~ spray, data = InsectSprays, method = "stack",
6 + add = TRUE)
7 > stripchart(count ~ spray, data = InsectSprays, method = "jitter")
A B C D E F
A B C D E F
0 5 10 15 20 25
0 5 10 15 20 25
count
图 5.31: 各种杀虫剂下昆虫数目的带状图:堆砌和随机打乱的带状图。