/span><span class="op">)</span></span>
<span><span class="co">#&gt; Summary of Bivariate_Model </span></span>
<span><span class="co">#&gt;  </span></span>
<span><span class="co">#&gt; free parameters:</span></span>
<span><span class="co">#&gt;        name matrix row col  Estimate  Std.Error A</span></span>
<span><span class="co">#&gt; 1    VAR_x1      S  x1  x1 4.0583666 0.18149573  </span></span>
<span><span class="co">#&gt; 2 COV_x1_x2      S  x1  x2 0.1970528 0.11384948  </span></span>
<span><span class=