"https://ggplot2.tidyverse.org/reference/geom_polygon.html" class="external-link">geom_polygon</a></span><span class="op">(</span>data <span class="op">=</span> <span class="va">new_mix2</span>, <span class="fu"><a href="https://ggplot2.tidyverse.org/reference/aes.html" class="external-link">aes</a></span><span class="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="s