   0.097  -0.230   0.151</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> as.factor(education)5     0.085   0.096  -0.085   0.269</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> --- </span>
<span class="r-out co"><span class="r-pr">#&gt;</span> Residual Correlation Matrix: </span>
<span class="r-out co"><span class="r-pr">#&gt;</span>        A1     A2</span>
<span class="r-out co"><span class="r-pr">#&gt;</span> A1  1.000 -0.313</span>
<span class="r-out co"><span class="r-pr">#&g