="https://ggplot2.tidyverse.org/reference/aes.html" class="external-link">aes</a></span><span class="op">(</span>fill <span class="op">=</span> <span class="va">class</span><span class="op">)</span>, col <span class="op">=</span> <span class="st">"black"</span>, size <span class="op">=</span> <span class="fl">0.1</span><span class="op">)</span> <span class="op">+</span></span>
<span class="r-in">     <span class="fu">scale_fill_avatar</span><span class="op">(</span><span class="op">)</span></span>
<span c