> <span class="st">"evolution"</span>, return_gg <span class="op">=</span> <span class="cn">TRUE</span>, add_avg <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span></span>
<span><span class="va">p2</span> <span class="op">&lt;-</span> <span class="fu"><a href="https://rdrr.io/r/graphics/plot.default.html" class="external-link">plot</a></span><span class="op">(</span><span class="va">explorer</span>, type <span class="op">=</span> <span class="st">"x_by_var"</span>, return_gg <spa