to header"></a></h3>
<p>Once you click OK, RStudio will create a new document that automatically
contains a YAML header. YAML stands for “YAML Ain’t Markup Language” and it
encodes the metadata of the document. This is what it looks like:</p>
<div class="sourceCode" id="cb179"><pre class="sourceCode markdown"><code class="sourceCode markdown"><span id="cb179-1"><a href="rmarkdown.html#cb179-1" tabindex="-1"></a><span class="co">---</span></span>
<span id="cb179-2"><a href="rmarkdown.html#cb179-2" tabi