>
<span class="co">#&gt; X.Intercept.   3.544516                 26.38362   -0.7110327       3.832857</span>

<span class="fu"><a href="https://rdrr.io/r/utils/head.html" class="external-link">head</a></span><span class="op">(</span><span class="va">tree.ds</span><span class="op">$</span><span class="va">AIC</span><span class="op">)</span>
<span class="co">#&gt;       P.hn P.hn.cov     P.hr P.hr.cov</span>
<span class="co">#&gt; 1 3375.162 3376.521 3374.114 3375.123</span></code></pre></div>
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