an class="op">(</span></span>
<span>  <span class="va">data</span>,</span>
<span>  <span class="va">pupil</span>,</span>
<span>  filter <span class="op">=</span> <span class="fu"><a href="https://rdrr.io/r/base/c.html" class="external-link">c</a></span><span class="op">(</span><span class="st">"median"</span>, <span class="st">"hanning"</span>, <span class="st">"lowpass"</span><span class="op">)</span>,</span>
<span>  degree <span class="op">=</span> <span class="fl">11</span></span>
<span><span class="op">