ézier curve</a> specified by three control points whose locations are given by the <code>coord_x</code> and <code>coord_y</code> variables. Each row in the tibble refers to one control point, so there are three rows per segment. Here’s the three rows that correspond to the 99th segment in the tree:</p>
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<div class="sourceCode cell-code" id="cb5"><pre class="sourceCode r code-with-copy"><code class="sourceCode r"><span id="cb5-1"><a href="#cb5-1" aria-hidden="true" tabindex="-1"></a>tree