R markdown/bookdown-如何在摘要下方显示关键字? [英] R markdown / bookdown - how to display keywords below an abstract?

问题描述

我在.Rmd文件中定义了关键字，但是它们在输出PDF中不可见.

I defined keywords in the .Rmd file, but they are not visible in the output PDF.

当前输出

预期结果

当前.Rmd

.Rmd文件的第一行如下:

First lines of .Rmd file looks as follows:

---
title: "No keywords within the output file"
abstract: "This is sample text for abstract. Generally speaking, I would like to show keywords list below an abstract (as in case of the linked example)"
keywords: "keywordA, keywordB"
author: "Mateusz Kędzior"
output: 
  bookdown::pdf_document2:
    keep_tex: true
    number_sections: yes
    toc: false
base_format: rticles::elsevier_article
---

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

## Elsevier article

This is an R Markdown document.

I'm trying to prepare an Elsevier article. 

推荐答案

我想知道base_format在您的示例中是否实际上在做任何工作(有和没有base_format的输出看起来都一样).由于base_format是pdf_book的参数，因此请考虑将YAML标头更改为

I wonder if base_format is actually doing any work in your example (the output looks the same with and without base_format). Since base_format is an argument to pdf_book, consider changing your YAML header to

---
title: "No keywords within the output file"
author: 
- name: "Mateusz Kędzior"
abstract: "This is sample text for abstract. Generally speaking, I would like to show keywords list below an abstract (as in case of the linked example)"
keywords: "keywordA, keywordB"
output: 
  bookdown::pdf_book:
    keep_tex: true
    number_sections: yes
    toc: false
    base_format: rticles::elsevier_article
---

为您提供以下输出:

或者，在摘要中添加关键字:

Alternatively, add keywords to the abstract:

    abstract: "This is sample text for abstract. Generally speaking, I would like
 to show keywords list below an abstract (as in case of the linked example) \\par
 \\textbf{Keywords:} a, b"

获得

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