为 knitr beamer 幻灯片丢掉部分和小节标题的帧 [英] Dropping frames of sections and subsections titles for knitr beamer slides

问题描述

使用法兰克福主题使用 knitr 制作投影仪幻灯片时，PDF 输出包括带有部分和小节名称的幻灯片.

When making beamer slides with knitr using the Frankfurt theme the PDF output includes slides with the section and subsection names.

---
title: Movies
author: Chewy
output:
  beamer_presentation:
  slide_level: 3
theme: "Frankfurt"
---

```{r setup, include=FALSE}
knitr::opts_chunk$set(echo = FALSE)
```

#Introduction

##Background

###History

A long time ago ...

###History

... in a galaxy far far away

#The End

##This the end

### My only friend, the end 

给出这个输出...

幻灯片 1-4:

幻灯片 5-8:

如何去掉带有节和小节标题的幻灯片(2、3、6 和 7)，同时保持幻灯片顶部显示的文档结构?

How do I get rid of the slides (2,3,6 and 7) with the section and subsection titles whilst maintaining the document structure displayed at the top of the slides?

推荐答案

那些帧由命令 \AtBeginSubsection{} 和 \AtBeginSection{} 生成，你可以在你的 YAML 前端重新定义什么都不做:

Those frames are produced by the commands \AtBeginSubsection{} and \AtBeginSection{}, which you can redefine in your YAML front matter to do nothing instead:

---
header-includes: 
- \AtBeginSubsection{}
- \AtBeginSection{}
---

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