n class="op">)</span></span></span>
<span class="r-in"><span><span class="va">ef_logit</span> <span class="op">&lt;-</span> <span class="fu">ef_fun</span><span class="op">(</span>ef <span class="op">=</span> <span class="va">CO</span>, x0 <span class="op">=</span> <span class="fl">27</span>, k <span class="op">=</span> <span class="fl">0.4</span>, L <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/Extremes.html" class="external-link">max</a></span><span class="op">(</span><span cla