s="r-pr">#&gt;</span> Latent Variables:</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>                    Estimate  Std.Err  z-value  P(&gt;|z|)</span>
<span class="r-out co"><span class="r-pr">#&gt;</span>   x =~                                                </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     x_1        (a)    1.000                           </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>     x_2        (b)   -0.139    0.029   -4.717    0.0