)</code> to extract extremes of numerical data</li>
<li><code>quantile()</code> to get an idea of the distribution numerical data</li>
<li><code>unique()</code> to get all unique entries, helpful for categorical data</li>
<li><code>length(unique())</code> to count all unique entries</li>
</ul>
<div class="sourceCode" id="cb16"><pre class="sourceCode r"><code class="sourceCode r"><span id="cb16-1"><a href="get-started.html#cb16-1" tabindex="-1"></a><span class="fu">min</span>(bikes<span class="sc">$</span>te