如何在 Rmarkdown 文件中包含 DiagrammeR/mermaid 流程图

Question

我有一个 R markdown 文件：

---
title: "Untitled"
author: "Me"
output: html_document
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```
## R Markdown
This is an R Markdown document. 

以及 DiagrammeR/mermaid 图表：

graph LR
    A-->B

如何在 R-markdown 中添加图表？

Answer 1

其实很琐碎：

---
title: "Untitled"
author: "Me"
output: html_document
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```
## R Markdown
This is an R Markdown document. 

```{r}
library(DiagrammeR)
mermaid("
graph LR
    A-->B
")
```