本文介绍了RMarkdown:开始时浮动TOC和TOC的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我想知道是否可能有一个浮动目录，而在文档的开头有另一个目录.我当前的首要问题是这样的:
I was wondering if it is possible to have a floating table of contents and another one at the beginning of the document. My current front-matter looks like this:
---
title: "TEST"
author: brettljausn
date: January 15, 2018
output:
html_document:
toc: true
toc_float:
toc_collapsed: true
toc_depth: 3
number_sections: true
theme: lumen
---
# Rest of the sample document: --------
```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = TRUE)
```
# R Markdown
This is an R Markdown document. Markdown is a simple formatting syntax for authoring HTML, PDF, and MS Word documents. For more details on using R Markdown see <http://rmarkdown.rstudio.com>.
When you click the **Knit** button a document will be generated that includes both content as well as the output of any embedded R code chunks within the document. You can embed an R code chunk like this:
```{r cars}
summary(cars)
```
## Including Plots
You can also embed plots, for example:
```{r pressure, echo=FALSE}
plot(pressure)
```
Note that the `echo = FALSE` parameter was added to the code chunk to prevent printing of the R code that generated the plot.
我尝试添加另一个toc: true，但这只会向我抛出一条错误消息.预先感谢！
I've tried adding another toc: true, but that just throws me an error message. Thanks in advance!
推荐答案
您只需要在toc_float前面添加true:
you just have to add true in front of toc_float:
---
title: "TEST"
output:
html_document:
toc: true
toc_float: true
toc_collapsed: true
toc_depth: 3
number_sections: true
theme: lumen
---
还请注意，您在rmarkdown文件中包含一个注释，该注释将被解释为标题:
Also note that you have a comment within in your rmarkdown file, which will be interpreted as a header:
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