>,</span>
<span>  vars_to_show <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  drop_controls <span class="op">=</span> <span class="cn">FALSE</span>,</span>
<span>  add_caption <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  point_size <span class="op">=</span> <span class="fl">3</span>,</span>
<span>  point_shape <span class="op">=</span> <span class="fl">15</span>,</span>
<span>  color <span class="op">=</span> <span class="st">"red"</span>,</span>
<span>  ban