"</span>,</span>
<span class="r-in">                    newx <span class="op">=</span> <span class="va">x</span>, type <span class="op">=</span> <span class="st">"response"</span><span class="op">)</span><span class="op">[</span>,<span class="fl">1</span><span class="op">]</span></span>
<span class="r-in">    <span class="va">pi.x</span></span>
<span class="r-in"><span class="op">}</span></span>
<span class="r-in"></span>
<span class="r-in"><span class="va">subgrp.model</span> <span class="op">&lt;-</span> 