column" style="width:50%;">
<div class="cell">
<div class="sourceCode cell-code" id="cb30"><pre class="sourceCode numberSource r number-lines code-with-copy"><code class="sourceCode r"><span id="cb30-1"><a></a><span class="fu">library</span>(spatialsample)</span>
<span id="cb30-2"><a></a></span>
<span id="cb30-3"><a></a><span class="fu">ggplot</span>(boston_canopy) <span class="sc">+</span> </span>
<span id="cb30-4"><a></a>  <span class="fu">geom_sf</span>() <span class="sc">+</span> </span>
<span id="cb30-