shington   District of Columbia District of Columb…    5146120  38.9  -77.0</span></span>
<span id="cb14-15"><a></a><span class="co">#&gt; 10 Boston       Massachusetts        Suffolk                4355184  42.3  -71.1</span></span>
<span id="cb14-16"><a></a><span class="co">#&gt; # ℹ 31,244 more rows</span></span></code><button title="Copy to Clipboard" class="code-copy-button"><i class="bi"></i></button></pre></div>
</div>
</section>
<section class="slide level2">

<p>To do this, you must specify the