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<!DOCTYPE html>
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<title>第 2 章 文档展示 | Little Book</title>
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<meta property="og:description" content="一个可能要很长的长期的笔记与案例。" />
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<meta name="twitter:title" content="第 2 章 文档展示 | Little Book" />
<meta name="twitter:description" content="一个可能要很长的长期的笔记与案例。" />
<meta name="author" content="Joshpe" />
<meta name="date" content="2024-06-02" />
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<body>
<div class="book without-animation with-summary font-size-2 font-family-1" data-basepath=".">
<div class="book-summary">
<nav role="navigation">
<ul class="summary">
<li><a href="./">Littel Book</a></li>
<li class="divider"></li>
<li class="chapter" data-level="" data-path="index.html"><a href="index.html"><i class="fa fa-check"></i>前言</a>
<ul>
<li class="chapter" data-level="" data-path="index.html"><a href="index.html#致谢"><i class="fa fa-check"></i>致谢</a></li>
</ul></li>
<li class="chapter" data-level="1" data-path="tools-intro.html"><a href="tools-intro.html"><i class="fa fa-check"></i><b>1</b> 简介</a></li>
<li class="chapter" data-level="2" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html"><i class="fa fa-check"></i><b>2</b> 文档展示</a>
<ul>
<li class="chapter" data-level="2.1" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#markdown-intro"><i class="fa fa-check"></i><b>2.1</b> Rmarkdown</a></li>
<li class="chapter" data-level="2.2" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#markdown-基本语法"><i class="fa fa-check"></i><b>2.2</b> markdown 基本语法</a>
<ul>
<li class="chapter" data-level="2.2.1" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#r代码块"><i class="fa fa-check"></i><b>2.2.1</b> R代码块</a></li>
<li class="chapter" data-level="2.2.2" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#网页"><i class="fa fa-check"></i><b>2.2.2</b> 网页</a></li>
<li class="chapter" data-level="2.2.3" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#简单表格"><i class="fa fa-check"></i><b>2.2.3</b> 简单表格</a></li>
<li class="chapter" data-level="2.2.4" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#公式"><i class="fa fa-check"></i><b>2.2.4</b> 公式</a></li>
<li class="chapter" data-level="2.2.5" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#代码"><i class="fa fa-check"></i><b>2.2.5</b> 代码</a></li>
<li class="chapter" data-level="2.2.6" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#表格与图片"><i class="fa fa-check"></i><b>2.2.6</b> 表格与图片</a></li>
<li class="chapter" data-level="2.2.7" data-path="tidyverse-rmarkdown.html"><a href="tidyverse-rmarkdown.html#延申阅读"><i class="fa fa-check"></i><b>2.2.7</b> 延申阅读</a></li>
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<li class="chapter" data-level="3" data-path="tidyverse-intro.html"><a href="tidyverse-intro.html"><i class="fa fa-check"></i><b>3</b> Tidyverse</a>
<ul>
<li class="chapter" data-level="3.1" data-path="tidyverse-intro.html"><a href="tidyverse-intro.html#简介"><i class="fa fa-check"></i><b>3.1</b> 简介</a></li>
<li class="chapter" data-level="3.2" data-path="tidyverse-intro.html"><a href="tidyverse-intro.html#import"><i class="fa fa-check"></i><b>3.2</b> Import</a></li>
<li class="chapter" data-level="3.3" data-path="tidyverse-intro.html"><a href="tidyverse-intro.html#tidy"><i class="fa fa-check"></i><b>3.3</b> Tidy</a></li>
<li class="chapter" data-level="3.4" data-path="tidyverse-intro.html"><a href="tidyverse-intro.html#transform"><i class="fa fa-check"></i><b>3.4</b> Transform</a></li>
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<li><a href="https://bookdown.org" target="blank">本书由 bookdown 强力驱动</a></li>
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<div class="book-header" role="navigation">
<h1>
<i class="fa fa-circle-o-notch fa-spin"></i><a href="./">Little Book</a>
</h1>
</div>
<div class="page-wrapper" tabindex="-1" role="main">
<div class="page-inner">
<section class="normal" id="section-">
<div id="tidyverse-rmarkdown" class="section level1 hasAnchor" number="2">
<h1><span class="header-section-number">第 2 章</span> 文档展示<a href="tidyverse-rmarkdown.html#tidyverse-rmarkdown" class="anchor-section" aria-label="Anchor link to header"></a></h1>
<div id="markdown-intro" class="section level2 hasAnchor" number="2.1">
<h2><span class="header-section-number">2.1</span> Rmarkdown<a href="tidyverse-rmarkdown.html#markdown-intro" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<p><strong>(本篇为试行篇，日后将进一步丰富，将包括从package下载，project建立，Rmarkdown主题格式，插入图片，kable及kableExtra包插入优化表格，Rmarkdown导出)</strong></p>
<p>有时，我们需要<strong>展示</strong>我们的数据分析结果给他人，但是长篇的代码难以阅读，除了使用tidyverse减少代码长度外，我们同样可以将分析背景、分析过程、分析结果以及图表等形成<strong>报告</strong>，让他人能重复和验证我们的结果，确保结论的真实可信。 因此，本书开篇将会介绍如何生成分析报告。</p>
</div>
<div id="markdown-基本语法" class="section level2 hasAnchor" number="2.2">
<h2><span class="header-section-number">2.2</span> markdown 基本语法<a href="tidyverse-rmarkdown.html#markdown-基本语法" class="anchor-section" aria-label="Anchor link to header"></a></h2>
<p>markdown编写十分简单，例如</p>
<div class="sourceCode" id="cb1"><pre class="sourceCode markdown"><code class="sourceCode markdown"><span id="cb1-1"><a href="tidyverse-rmarkdown.html#cb1-1" tabindex="-1"></a><span class="fu"># title</span></span>
<span id="cb1-2"><a href="tidyverse-rmarkdown.html#cb1-2" tabindex="-1"></a></span>
<span id="cb1-3"><a href="tidyverse-rmarkdown.html#cb1-3" tabindex="-1"></a><span class="fu"># 第一章</span></span>
<span id="cb1-4"><a href="tidyverse-rmarkdown.html#cb1-4" tabindex="-1"></a><span class="fu">## 第一节</span></span>
<span id="cb1-5"><a href="tidyverse-rmarkdown.html#cb1-5" tabindex="-1"></a></span>
<span id="cb1-6"><a href="tidyverse-rmarkdown.html#cb1-6" tabindex="-1"></a>sentences.</span></code></pre></div>
<p>常见的markdown语法包括：</p>
<div style="width:400px">
<table>
<thead>
<tr class="header">
<th>Type this…</th>
<th>…to get this</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td><code>normal text</code></td>
<td>normal text</td>
</tr>
<tr class="even">
<td><code>*italic text*</code></td>
<td><em>italic text</em></td>
</tr>
<tr class="odd">
<td><code>**bold text**</code></td>
<td><strong>bold text</strong></td>
</tr>
<tr class="even">
<td><code>***bold italic text***</code></td>
<td><strong><em>bold italic text</em></strong></td>
</tr>
<tr class="odd">
<td><code>e^2^</code></td>
<td>e<sup>2</sup></td>
</tr>
<tr class="even">
<td><code>~~strikethrough~~</code></td>
<td><del>strikethrough</del></td>
</tr>
<tr class="odd">
<td><code>`code `</code></td>
<td><code>code</code></td>
</tr>
</tbody>
</table>
</div>
<div id="r代码块" class="section level3 hasAnchor" number="2.2.1">
<h3><span class="header-section-number">2.2.1</span> R代码块<a href="tidyverse-rmarkdown.html#r代码块" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>一般通过 {R} 来插入，插入代码段的快捷键：win[Ctrl+Alt+I]</p>
<div id="eval-include-echo与collapse-选项" class="section level4 hasAnchor" number="2.2.1.1">
<h4><span class="header-section-number">2.2.1.1</span> eval include echo与collapse 选项<a href="tidyverse-rmarkdown.html#eval-include-echo与collapse-选项" class="anchor-section" aria-label="Anchor link to header"></a></h4>
<p>eval参数控制运行与否，eval=FALSE , 可以使得代码仅显示而不实际运行。 这样的代码段如果有标签， 可以在后续代码段中被引用。</p>
<p>include参数控制是否写入，include=FALSE ， 则本代码段仅运行， 但是代码和结果都不写入到生成的文档中。</p>
<p>echo参数控制了markdown是否显示代码块。若 echo=TRUE， 则表示代码块显示在 markdown 文档显示代码块；反之，代码块不出现在输出结果中。</p>
<p>collapse参数控制输出，markdown默认将一个代码块的代码、输出通常被分解为多个原样文本块中， 如果希望所有的代码、输出都写到同一个原样文本块中， 加选项 collapse=TRUE。</p>
</div>
</div>
<div id="网页" class="section level3 hasAnchor" number="2.2.2">
<h3><span class="header-section-number">2.2.2</span> 网页<a href="tidyverse-rmarkdown.html#网页" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>如果想添加网页链接，可以用方括号和圆括号</p>
<div class="sourceCode" id="cb2"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb2-1"><a href="tidyverse-rmarkdown.html#cb2-1" tabindex="-1"></a>[Download R](http<span class="sc">:</span><span class="er">//</span>www.r<span class="sc">-</span>project.org<span class="sc">/</span>)</span></code></pre></div>
<p><a href="http://www.r-project.org/">Download R</a></p>
</div>
<div id="简单表格" class="section level3 hasAnchor" number="2.2.3">
<h3><span class="header-section-number">2.2.3</span> 简单表格<a href="tidyverse-rmarkdown.html#简单表格" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>如果想制作简单表格，列与列之间用 <code>|</code> 分隔，表格的首行下面添加<code>--------</code></p>
<div class="sourceCode" id="cb3"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb3-1"><a href="tidyverse-rmarkdown.html#cb3-1" tabindex="-1"></a>Table Header <span class="sc">|</span> Second Header</span>
<span id="cb3-2"><a href="tidyverse-rmarkdown.html#cb3-2" tabindex="-1"></a><span class="sc">-------------</span> <span class="er">|</span> <span class="sc">-------------</span></span>
<span id="cb3-3"><a href="tidyverse-rmarkdown.html#cb3-3" tabindex="-1"></a>Cell <span class="dv">1</span>, <span class="dv">1</span> <span class="sc">|</span> Cell <span class="dv">2</span>, <span class="dv">1</span></span>
<span id="cb3-4"><a href="tidyverse-rmarkdown.html#cb3-4" tabindex="-1"></a>Cell <span class="dv">1</span>, <span class="dv">2</span> <span class="sc">|</span> Cell <span class="dv">2</span>, <span class="dv">2</span></span></code></pre></div>
<table>
<thead>
<tr class="header">
<th>Table Header</th>
<th>Second Header</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td>Cell 1, 1</td>
<td>Cell 2, 1</td>
</tr>
<tr class="even">
<td>Cell 1, 2</td>
<td>Cell 2, 2</td>
</tr>
</tbody>
</table>
</div>
<div id="公式" class="section level3 hasAnchor" number="2.2.4">
<h3><span class="header-section-number">2.2.4</span> 公式<a href="tidyverse-rmarkdown.html#公式" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>如果要插入公式，可以在Rmarkdwon里输入 <code>$$\frac{\sum (\bar{x} - x_i)^2}{n-1}$$</code>，那么实际输出:</p>
<p><span class="math display">\[\frac{\sum (\bar{x} - x_i)^2}{n-1}\]</span></p>
<p>可以使用latex的等式环境， 比如</p>
<div class="sourceCode" id="cb4"><pre class="sourceCode latex"><code class="sourceCode latex"><span id="cb4-1"><a href="tidyverse-rmarkdown.html#cb4-1" tabindex="-1"></a><span class="ss">$$a^{2}=b^{2}+c^{2}-2bc</span><span class="sc">\cos</span><span class="ss"> A $$</span></span>
<span id="cb4-2"><a href="tidyverse-rmarkdown.html#cb4-2" tabindex="-1"></a><span class="ss">$$f(x) = </span><span class="sc">\int</span><span class="ss">_{-</span><span class="sc">\infty</span><span class="ss">}^</span><span class="sc">\infty</span><span class="ss"> </span><span class="sc">\hat</span><span class="ss"> f(x)</span><span class="sc">\xi\,</span><span class="ss">e^{2 </span><span class="sc">\pi</span><span class="ss"> i </span><span class="sc">\xi</span><span class="ss"> x} </span><span class="sc">\,\mathrm</span><span class="ss">{d}</span><span class="sc">\xi</span><span class="ss"> $$</span></span></code></pre></div>
<p>得到</p>
<p><span class="math display">\[
a^{2}=b^{2}+c^{2}-2bc\cos A
\]</span> <span class="math display">\[
f(x) = \int_{-\infty}^\infty \hat f(x)\xi\,e^{2 \pi i \xi x} \,\mathrm{d}\xi
\]</span><br />
</p>
</div>
<div id="代码" class="section level3 hasAnchor" number="2.2.5">
<h3><span class="header-section-number">2.2.5</span> 代码<a href="tidyverse-rmarkdown.html#代码" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>想要运行代码</p>
<div class="sourceCode" id="cb5"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb5-1"><a href="tidyverse-rmarkdown.html#cb5-1" tabindex="-1"></a><span class="fu">summary</span>(iris)</span></code></pre></div>
<pre><code>## Sepal.Length Sepal.Width Petal.Length Petal.Width
## Min. :4.300 Min. :2.000 Min. :1.000 Min. :0.100
## 1st Qu.:5.100 1st Qu.:2.800 1st Qu.:1.600 1st Qu.:0.300
## Median :5.800 Median :3.000 Median :4.350 Median :1.300
## Mean :5.843 Mean :3.057 Mean :3.758 Mean :1.199
## 3rd Qu.:6.400 3rd Qu.:3.300 3rd Qu.:5.100 3rd Qu.:1.800
## Max. :7.900 Max. :4.400 Max. :6.900 Max. :2.500
## Species
## setosa :50
## versicolor:50
## virginica :50
##
##
## </code></pre>
</div>
<div id="表格与图片" class="section level3 hasAnchor" number="2.2.6">
<h3><span class="header-section-number">2.2.6</span> 表格与图片<a href="tidyverse-rmarkdown.html#表格与图片" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<p>输出表格与图片仅仅简单介绍，详细请阅读[《Rmarkdown 入门手册》]<a href="https://cosx.org/2021/04/rmarkdown-introduction/" class="uri">https://cosx.org/2021/04/rmarkdown-introduction/</a></p>
<div class="sourceCode" id="cb7"><pre class="sourceCode default"><code class="sourceCode default"><span id="cb7-1"><a href="tidyverse-rmarkdown.html#cb7-1" tabindex="-1"></a></span>
<span id="cb7-2"><a href="tidyverse-rmarkdown.html#cb7-2" tabindex="-1"></a>```{r tables-mtcars, echo = F}</span>
<span id="cb7-3"><a href="tidyverse-rmarkdown.html#cb7-3" tabindex="-1"></a>knitr::kable(iris[1:5, ], caption = "example0")</span>
<span id="cb7-4"><a href="tidyverse-rmarkdown.html#cb7-4" tabindex="-1"></a>```</span></code></pre></div>
<table>
<caption><span id="tab:tables-mtcars">表 2.1: </span>example0</caption>
<thead>
<tr class="header">
<th align="right">Sepal.Length</th>
<th align="right">Sepal.Width</th>
<th align="right">Petal.Length</th>
<th align="right">Petal.Width</th>
<th align="left">Species</th>
</tr>
</thead>
<tbody>
<tr class="odd">
<td align="right">5.1</td>
<td align="right">3.5</td>
<td align="right">1.4</td>
<td align="right">0.2</td>
<td align="left">setosa</td>
</tr>
<tr class="even">
<td align="right">4.9</td>
<td align="right">3.0</td>
<td align="right">1.4</td>
<td align="right">0.2</td>
<td align="left">setosa</td>
</tr>
<tr class="odd">
<td align="right">4.7</td>
<td align="right">3.2</td>
<td align="right">1.3</td>
<td align="right">0.2</td>
<td align="left">setosa</td>
</tr>
<tr class="even">
<td align="right">4.6</td>
<td align="right">3.1</td>
<td align="right">1.5</td>
<td align="right">0.2</td>
<td align="left">setosa</td>
</tr>
<tr class="odd">
<td align="right">5.0</td>
<td align="right">3.6</td>
<td align="right">1.4</td>
<td align="right">0.2</td>
<td align="left">setosa</td>
</tr>
</tbody>
</table>
<div class="sourceCode" id="cb8"><pre class="sourceCode default"><code class="sourceCode default"><span id="cb8-1"><a href="tidyverse-rmarkdown.html#cb8-1" tabindex="-1"></a></span>
<span id="cb8-2"><a href="tidyverse-rmarkdown.html#cb8-2" tabindex="-1"></a>```{r}</span>
<span id="cb8-3"><a href="tidyverse-rmarkdown.html#cb8-3" tabindex="-1"></a>plot(iris)</span>
<span id="cb8-4"><a href="tidyverse-rmarkdown.html#cb8-4" tabindex="-1"></a>```</span></code></pre></div>
<p><img src="01-Rmarkdown_files/figure-html/unnamed-chunk-7-1.png" width="85%" />
````</p>
</div>
<div id="延申阅读" class="section level3 hasAnchor" number="2.2.7">
<h3><span class="header-section-number">2.2.7</span> 延申阅读<a href="tidyverse-rmarkdown.html#延申阅读" class="anchor-section" aria-label="Anchor link to header"></a></h3>
<ul>
<li>Rmarkdown 介绍 <a href="https://bookdown.org/yihui/rmarkdown/" class="uri">https://bookdown.org/yihui/rmarkdown/</a></li>
<li>Rmarkdown 手册 <a href="https://bookdown.org/yihui/rmarkdown-cookbook/" class="uri">https://bookdown.org/yihui/rmarkdown-cookbook/</a></li>
<li>Rmarkdown 入门手册 <a href="https://cosx.org/2021/04/rmarkdown-introduction/" class="uri">https://cosx.org/2021/04/rmarkdown-introduction/</a></li>
</ul>
</div>
</div>
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