fu">aes</span>(<span class="at">fill =</span> <span class="fu">factor</span>(cluster)), <span class="at">knot.pos =</span> <span class="fl">0.25</span>) <span class="sc">+</span> </span>
<span id="cb5-9"><a href="#cb5-9" aria-hidden="true" tabindex="-1"></a>    <span class="fu">geom_stratum</span>(<span class="at">width =</span> node_width, <span class="at">reverse =</span> <span class="cn">TRUE</span>) <span class="sc">+</span> </span>
<span id="cb5-10"><a href="#cb5-10" aria-hidden="true" tabindex="-1"></