an class="va">title</span>,</span>
<span>  <span class="va">subtitle</span>,</span>
<span>  <span class="va">caption</span>,</span>
<span>  geom <span class="op">=</span> <span class="st">"density_2d"</span>,</span>
<span>  stat <span class="op">=</span> <span class="st">"density_2d"</span>,</span>
<span>  position <span class="op">=</span> <span class="st">"identity"</span>,</span>
<span>  show.legend <span class="op">=</span> <span class="cn">NA</span>,</span>
<span>  show.help <span class="op">=</span> <