pan class="r-msg co"><span class="r-pr">#&gt;</span> 
</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> [=======================================================================] 100%</span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> 
                                                                              </span>
<span class="r-msg co"><span class="r-pr">#&gt;</span> 
</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Refining model fit.</span>
<span class="r-out co