本节来介绍使用R中的posterdown包来制作美观的海报，后台回复20211121获取本文数据及代码

• 废话不多说，先来看一下最终的效果

代码如下所示

---
main_topsize: 0.2 
main_bottomsize: 0.1

main_findings:
  - "Make **better posters** with RMarkdown + **posterdown**"
logoleft_name: https://raw.githubusercontent.com/brentthorne/posterdown/master/images/betterhexlogo.png
logoright_name: https://raw.githubusercontent.com/brentthorne/posterdown/master/images/betterhexlogo.png
logocenter_name: code.png
output: 
  posterdown::posterdown_betterport:
    self_contained: false
    pandoc_args: --mathjax
    number_sections: false
bibliography: packages.bib
link-citations: true
---

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