an>,</span>
<span>  <span class="va">data</span>,</span>
<span>  <span class="va">...</span>,</span>
<span>  drop <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  fargs <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span><span class="op">)</span>,</span>
<span>  sep <span class="op">=</span> <span class="st">"_"</span>,</span>
<span>  format <span class="op">=</span> <span class="fu"><a href