/p>
<div class="sourceCode" id="cb1"><pre class="downlit sourceCode r">
<code class="sourceCode R"><span class="va">metrics</span> <span class="op">&lt;-</span> <span class="fu"><a href="../reference/metrics.variables.html">metrics.variables</a></span><span class="op">(</span>tree.tls <span class="op">=</span> <span class="va">tree.list</span>, 
                  tree.ds <span class="op">=</span> <span class="va">tree.ds</span>, tree.field <span class="op">=</span> <span class="va">tree.field</span>,
      