ase/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>
<span><span class="co">#******************</span></span>
<span><span class="co">#*** Model 2: Rasch model for two time points</span></span>
<span><span class="va">lavmodel</span> <span class="op">&lt;-</span> <span class="st">"</span></span>
<span><span class="st">     F1=~ 1*I1T1 +1*I2T1+1*I3T1+1*I4T1