将右侧的轴标签与 ggplot2 对齐

问题描述

考虑以下内容

d = data.frame(y=rnorm(120),x=rep(c("bar", "long category name", "foo"), each=40))ggplot(d,aes(x=x,y=y)) +geom_boxplot() +主题(axis.text.x=element_text(大小=15，角度=90))

x 轴标签按标签中心对齐.是否可以自动在右侧对齐，以便每个标签都在图表正下方结束?

解决方案

这正是 hjust 和 vjust 参数在 ggplot 中的作用>.它们分别控制水平和垂直对齐，范围从 0 到 1.有关对齐及其值的更多详细信息，请参阅此问题 (

Consider the following

d = data.frame(y=rnorm(120),
               x=rep(c("bar", "long category name", "foo"), each=40))

ggplot(d,aes(x=x,y=y)) +
    geom_boxplot() +
    theme(axis.text.x=element_text(size=15, angle=90))

The x-axis labels are aligned by the center of the label. Is it possible to automatically align on the right so that every label would end right below the graph?

解决方案

This is precisely what the hjust and vjust parameters are for in ggplot. They control the horizontal and vertical justification respectively and range from 0 to 1. See this question for more details on justifications and their values (What do hjust and vjust do when making a plot using ggplot?).

To get the labels the way you want you can use:

• hjust = 0.95 (to leave some space between the labels and the axis)
• vjust = 0.2 (to center them in this case)

---

ggplot(d,aes(x=x,y=y)) + geom_boxplot() +
       theme(axis.text.x=element_text(size=15, angle=90,hjust=0.95,vjust=0.2))

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