ass="kw">=</span> <span class="st">'prob_response'</span>) +
  <span class="fu"><a href="https://ggplot2.tidyverse.org/reference/geom_abline.html">geom_vline</a></span>(<span class="kw">xintercept</span> <span class="kw">=</span> <span class="fl">0.3</span>, <span class="kw">col</span> <span class="kw">=</span> <span class="st">'orange'</span>, <span class="kw">linetype</span> <span class="kw">=</span> <span class="st">'dashed'</span>) +
  <span class="fu"><a href="https://ggplot2.tidyverse.org/reference/la