="op">=</span> <span class="cn">NULL</span>,</span>
<span>  .sort <span class="op">=</span> <span class="cn">TRUE</span>,</span>
<span>  .groups <span class="op">=</span> <span class="st">"drop_last"</span>,</span>
<span>  .unpack <span class="op">=</span> <span class="cn">FALSE</span></span>
<span><span class="op">)</span></span></code></pre></div>
    </div>

    <div id="arguments">
    <h2>Arguments</h2>


<dl><dt id="arg--df">.df<a class="anchor" aria-label="anchor" href="#arg--df"></a></dt>
<dd><p>A d