t;)

#Save a new copy of the data
save(list = &quot;pd&quot;, file = &quot;presiData_cleaned.rdata&quot;)</code></pre>
</div>
<div id="exercise-3b" class="section level2">
<h2>Exercise 3b</h2>
<div id="b.1-1" class="section level3">
<h3>3b.1</h3>
<p><strong>Use the <code>makeCodebook()</code> function to produce a final codebook that could be passed on as a documentation (of the dataset) for the data analysis.</strong></p>
<p>We make a codebook of <code>pd</code>:</p>
<pre class="r"><code>makeCodebook(pd, r