</h2>
<ul>
<li><p>We’ve already seen that <code>ggplot()</code> is a powerful visualization tool:</p>
<ol type="1">
<li>canvas</li>
<li>layers (geoms)</li>
<li>labels</li>
<li>facets</li>
<li>themes</li>
</ol></li>
<li><p>spatial work in R is becoming so common that <code>ggplot()</code> comes with a sf geom (<code>geom_sf</code>)</p></li>
</ul>
</section>
<section id="sf-an-ggplot" class="slide level2">
<h2>sf an ggplot</h2>
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