如何在windows上使用带有knitr的unicode字符串

Here's a simple markdown file:

这里有一个简单的markdown文件:

---
title: "blah"
output: html_document
---

```{r}
library(tidyverse)

ggplot(tibble(x=1:2)) +
  aes(x=x, y=x) +
  geom_col() +
  labs(y = "← low      high →")
```

Notice the arrows. They show up when running the code via the console to RStudio's plot tab. But for an HTML knit, they don't work:

注意箭头。它们在通过控制台运行RStudio的plot选项卡时显示。但是对于HTML针织，它们不起作用:

1 个解决方案

#1

Use the unicode instead of the actual character:

使用unicode而不是实际字符:

library(tidyverse)

ggplot(tibble(x=1:2)) +
  aes(x=x, y=x) +
  geom_col() +
  labs(y = "\u2190 low      high \u2192")