"op">=</span> <span class="fl">4</span><span class="op">)</span>,</span>
<span>  control.refine <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/list.html" class="external-link">list</a></span><span class="op">(</span>numiter <span class="op">=</span> <span class="fl">4</span>, extrapolate <span class="op">=</span> <span class="cn">TRUE</span><span class="op">)</span>,</span>
<span>  verbose <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="e