ass="cn">FALSE</span>,</span>
<span>  origin <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  right <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  width <span class="op">=</span> <span class="fl">0.9</span>,</span>
<span>  drop <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  <span class="va">xlab</span>,</span>
<span>  <span class="va">ylab</span>,</span>
<span>  <span class="va">title</span>,</span>
<span>  <span class="va">subtitle</spa