iF2"</span> <span class="op">)</span></span>
<span><span class="co"># estimate model</span></span>
<span><span class="va">mod10</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>, theta.k<span class="op">=</span><span class="va">theta.k</span>,</span>
<span>    