.org/reference/aes.html" class="external-link">aes</a></span><span class="op">(</span>y <span class="op">=</span> <span class="va">lineEnd</span> <span class="op">-</span> <span class="va">lineStart</span> <span class="op">+</span> <span class="fl">1</span>, x <span class="op">=</span> <span class="va">name</span>, fill <span class="op">=</span> <span class="va">branch</span><span class="op">)</span><span class="op">)</span> <span class="op">+</span></span>
<span>  <span class="fu"><a href="https://ggplot2.