s="op">$</span>d)</span>
<span id="cb26-13"><a href="Intro.html#cb26-13"></a></span>
<span id="cb26-14"><a href="Intro.html#cb26-14"></a>df</span></code></pre></div>
<ul>
<li>Automation
<ul>
<li>Many options for automation in R: <code>for loop</code>, <code>apply</code> family, etc.</li>
<li>Here’s a tidy solution comes from <code>purrr</code> package.</li>
<li>The power and joy of one-liner.</li>
</ul></li>
</ul>
<div class="sourceCode" id="cb27"><pre class="sourceCode r"><code class="sourceCode r"><span