e.org/reference/geom_abline.html" class="external-link">geom_vline</a></span><span class="op">(</span></span>
<span>    <span class="fu">ggplot2</span><span class="fu">::</span><span class="fu"><a href="https://ggplot2.tidyverse.org/reference/aes.html" class="external-link">aes</a></span><span class="op">(</span>xintercept <span class="op">=</span> <span class="fl">25</span>, linetype <span class="op">=</span> <span class="st">"Threshold"</span><span class="op">)</span>,</span>
<span>    color <span class="