ss="st">     B=~ B1+B2+B3+B4</span></span>
<span><span class="st">     C=~ C1+C2+C3+C4</span></span>
<span><span class="st">     G ~~ 1*G</span></span>
<span><span class="st">     A ~~ 1*A</span></span>
<span><span class="st">     B ~~ 1*B</span></span>
<span><span class="st">     C ~~ 1*C</span></span>
<span><span class="st">            "</span></span>
<span><span class="va">res</span> <span class="op">&lt;-</span> <span class="fu">sirt</span><span class="fu">::</span><span class="fu">lavaan2mirt</span><sp