***************</span></span>
<span></span>
<span><span class="va">lavmodel</span> <span class="op">&lt;-</span> <span class="st">"</span></span>
<span><span class="st">     F=~ c*A1+c*A2+1*A3+1.3*A4 + C1__C4 + a*B1+b*B2+b*B3+B4</span></span>
<span><span class="st">     # guessing parameters</span></span>
<span><span class="st">     A1+A2 ?=guess1*g1</span></span>
<span><span class="st">     A3 ?=.25*g1</span></span>
<span><span class="st">     B1+C1 ?=g1</span></span>
<span><span class="st">     B2__B4 ?=0