tps://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="va">simmr_in</span><span class="op">)</span></span></code></pre></div>
<p><img src="advanced_plotting_files/figure-html/unnamed-chunk-8-1.png" width="672" style="display: block; margin: auto;"></p>
<p>We can add a polygon around the mixtures by creating a new data frame
with the source mean values (corrected by the TEFs). We have to augment
this data frame to include some other parts of the