an>,</span>
<span>  model <span class="op">=</span> <span class="st">"CHE"</span>,</span>
<span>  var_df <span class="op">=</span> <span class="st">"RVE"</span>,</span>
<span>  sigma2_dist <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  n_ES_dist <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  iterations <span class="op">=</span> <span class="fl">100</span>,</span>
<span>  seed <span class="op">=</span> <span class="cn">NULL</span>,</span>
<span>  warning