ta at the
    beginning and end of the series.</p></dd>


<dt id="arg-n-groups">n_groups<a class="anchor" aria-label="anchor" href="#arg-n-groups"></a></dt>
<dd><p>number of results</p></dd>


<dt id="arg-role">role<a class="anchor" aria-label="anchor" href="#arg-role"></a></dt>
<dd><p>character - the name of the role</p></dd>


<dt id="arg--">...<a class="anchor" aria-label="anchor" href="#arg--"></a></dt>
<dd><p>additional arguments</p></dd>


<dt id="arg-power">power<a class="anchor" aria-label="anchor" 