his
is what we see in a single tree.</p>
<div class="sourceCode" id="cb4"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span><span class="va">fp</span> <span class="op">&lt;-</span> <span class="st">"mu2"</span> <span class="co"># predicted by grp2</span></span>
<span><span class="co">#fp &lt;- "mu1" # predicted by grp1</span></span>
<span></span>
<span><span class="va">tree.biv</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/semtree.html">semtree</a></span><span