"op">(</span>x <span class="op">=</span> <span class="va">x</span>, y <span class="op">=</span> <span class="va">y</span><span class="op">)</span>, fill <span class="op">=</span> <span class="st">"orange"</span>, alpha <span class="op">=</span> <span class="fl">0.2</span><span class="op">)</span></span></code></pre></div>
<p><img src="advanced_plotting_files/figure-html/unnamed-chunk-11-1.png" width="672" style="display: block; margin: auto;"></p>
<p>Or if we want a convex hull around the mixtures:</p>
<div