n> <span class="cn">NULL</span>,</span>
<span>  extension <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  object_size <span class="op">=</span> <span class="st">"medium"</span>,</span>
<span>  plot <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  ncol <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  nrow <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  verbose <span class="op">=</span> <span class="cn">TRUE</span></span