span class="op">(</span><span class="va">longev</span><span class="op">~</span><span class="va">lma</span><span class="op">*</span><span class="va">site</span>, log<span class="op">=</span><span class="st">"xy"</span>, data<span class="op">=</span><span class="va">leaflife</span>, robust<span class="op">=</span><span class="cn">TRUE</span><span class="op">)</span></span>
<span><span class="fu"><a href="https://rdrr.io/r/base/summary.html" class="external-link">summary</a></span><span class="op">(</span><spa