如何使用facet和margin = TRUE更改ggplot中的strip.text标签

问题描述

我看过但仍然无法弄清楚。如何使用faceting更改ggplot中的strip.text.x标签？具体来说，我正在使用具有边距的facet_grid。边距的strip.text标签是（全部） - 但由于我在非英语国家，我宁愿在我的母语中写上Total或类似的东西。

I have looked here but still can't figure it out. How do I change the strip.text.x labels in a ggplot with faceting? Specifically I am using facet_grid with margins. The strip.text label for the margin is "(all)" - but since I am in a non-english speaking country I would rather write "Total" or something similar in my native tongue.

opts(stip.text.x=c(levels(facetvariabel,"Total")) does not work.

有什么想法？

示例（并不是真正的最佳数据集 - 但我想它会工作）

Example (not really the best dataset for this - but I guess it will work)

ggplot(cars, aes(x=dist))+geom_bar()+facet_grid(.~speed, margin=T)

推荐答案

函数：
$ b

You can customize the facet labels by giving labeller function:

f <- function(x, y) {
  if (x == "speed")
    c(y[-length(y)], "Total")
  else
    y
}

ggplot(cars, aes(x = dist)) +
  geom_bar() +
  facet_grid(. ~ speed, margin = TRUE, labeller = f)

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