an class="op">(</span> <span class="va">dat</span>,  <span class="va">lavmodel</span>, est.mirt<span class="op">=</span><span class="cn">FALSE</span> <span class="op">)</span></span>
<span><span class="co"># mirt syntax and mirt model</span></span>
<span><span class="fu"><a href="https://rdrr.io/r/base/cat.html" class="external-link">cat</a></span><span class="op">(</span><span class="va">res</span><span class="op">$</span><span class="va">mirt.syntax</span><span class="op">)</span></span>
<span><span class