del data</span></span>
<span id="cb9-5"><a href="Intro.html#cb9-5"></a><span class="co"># Visualize data</span></span></code></pre></div>
<ul>
<li><p>Press <code>ctrl + shift + o</code>. You can see a document outline based on these headings. This is a nice feature for finding code you need to focus.</p></li>
<li><p>If your project’s scale is large, then divide these sections into files, number, and save them in <code>code</code> subdirectory.</p>
<ul>
<li>01_wrangling.Rmd</li>
<li>02_modeling.Rmd
…</li