://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">par</span><span class="op">)</span>
<span class="co">#&gt;              P.hn.scale P.hn.cov.scale.intercept P.hn.cov.dbh P.hr.scale</span>
<span class="co">#&gt; X.Intercept.   35.84341                 64.17593    -2.231185   21.85271</span>
<span class="co">#&gt;              P.hr.shape P.hr.cov.scale.intercept P.hr.cov.dbh P.hr.cov.shape</span