></span>
<span></span>
<span><span class="co">#***</span></span>
<span><span class="co"># Model 2: 3-dimensional Rasch model</span></span>
<span><span class="va">mod2</span> <span class="op">&lt;-</span> <span class="fu">sirt</span><span class="fu">::</span><span class="fu">smirt</span><span class="op">(</span> <span class="va">dat</span>, Qmatrix<span class="op">=</span><span class="va">Qmatrix</span>, irtmodel<span class="op">=</span><span class="st">"comp"</span>,</span>
<span>              qmcnodes<span