in"><span><span class="co"># diagram with outlined alluvia and labels</span></span></span>
<span class="r-in"><span><span class="va">gg</span> <span class="op">+</span> <span class="fu"><a href="geom_flow.html">geom_flow</a></span><span class="op">(</span>stat <span class="op">=</span> <span class="st">"alluvium"</span>, color <span class="op">=</span> <span class="st">"black"</span><span class="op">)</span> <span class="op">+</span></span></span>
<span class="r-in"><span>  <span class="fu">geom_text</span>