如何通过抖动将箱线图添加到散点图 [英] How to add boxplots to scatterplot with jitter

问题描述

我正在使用以下命令来生成具有抖动的散点图:

I am using following commands to produce a scatterplot with jitter:

ddf = data.frame(NUMS = rnorm(500), GRP = sample(LETTERS[1:5],500,replace=T))
library(lattice)
stripplot(NUMS~GRP,data=ddf, jitter.data=T)

我想在这些点上添加箱形图(每组一个).我尝试搜索，但无法找到绘制所有点(而不仅仅是异常值)并带有抖动的代码.我该如何解决.感谢您的帮助.

I want to add boxplots over these points (one for every group). I tried searching but I am not able to find code plotting all points (and not just outliers) and with jitter. How can I solve this. Thanks for your help.

推荐答案

这是使用基本图形的一种方法.

Here's one way using base graphics.

boxplot(NUMS ~ GRP, data = ddf, lwd = 2, ylab = 'NUMS')
stripchart(NUMS ~ GRP, vertical = TRUE, data = ddf, 
    method = "jitter", add = TRUE, pch = 20, col = 'blue')

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