=</span> <span class="fl">10</span>,estimate_residual_variance <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span>
<span class="fu"><a href="https://rdrr.io/r/graphics/layout.html" class="external-link">layout</a></span><span class="op">(</span><span class="fu"><a href="https://rdrr.io/r/base/matrix.html" class="external-link">matrix</a></span><span class="op">(</span><span class="fl">1</span><span class="op">:</span><span class="fl">2</span>,<span class="fl">1</span>,<span class