让我们考虑包含在R中的aplpack库中的bagplot示例 .Backplot是一个boxplot的双变量概括,因此可以深入了解两个轴中数据点的分布.
包袋示例:

示例代码:
# example of Rousseeuw et al., see R-package rpart
cardata <- structure(as.integer( c(2560,2345,1845,2260,2440,
2285, 2275, 2350, 2295, 1900, 2390, 2075, 2330, 3320, 2885,
3310, 2695, 2170, 2710, 2775, 2840, 2485, 2670, 2640, 2655,
3065, 2750, 2920, 2780, 2745, 3110, 2920, 2645, 2575, 2935,
2920, 2985, 3265, 2880, 2975, 3450, 3145, 3190, 3610, 2885,
3480, 3200, 2765, 3220, 3480, 3325, 3855, 3850, 3195, 3735,
3665, 3735, 3415, 3185, 3690, 97, 114, 81, 91, 113, 97, 97, …Run Code Online (Sandbox Code Playgroud)