常用的 knitr 设置

```{r setup, include = FALSE}
knitr::opts_chunk$set(echo = TRUE,
                      dpi = 300,
                      warning = FALSE,
                      message = FALSE,
                      out.width = "100%",
                      out.height = "100%",
                      fig.align = 'center',
                      comment = "##")
```

灰白背景rmarkdown模板

---
title: "xxx"
author: "xxx"
date: "`r Sys.Date()`"
output: #latex_document
  prettydoc::html_pretty:
    theme: tactile
    highlight: github
---

```{r setup, include = FALSE}
knitr::opts_chunk$set(echo = TRUE,
                      dpi = 300,
                      warning = FALSE,
                      message = FALSE,
                      out.width = "100%",
                      out.height = "100%",
                      fig.align = 'center',
                      comment = "##",
                      htmltools.dir.version = FALSE)
```

导出word文档友好

---
title: "xxxxxxx"
author: "xxxxx"
output: 
  officedown::rdocx_document:
    mapstyles:
      Normal: ['First Paragraph']
---

```{r setup, include = FALSE}
knitr::opts_chunk$set(echo = TRUE,
                      dpi = 300,
                      warning = FALSE,
                      message = FALSE,
                      out.width = "100%",
                      out.height = "100%",
                      fig.align = 'center',
                      comment = "##")
```