x27;voter&#x27;: &#x27;voter&#x27;, &#x27;rmv&#x27;: [], &#x27;unique_id&#x27;: False, &#x27;ascending&#x27;: False})</span>
</code></dt>
<dd>
<div class="desc"><p>Copeland voting method (1951).</p>
<p>Each voter ranks alternatives by preference. Next, we sort alternatives by the
number of times they beat another alternative in a pairwise comparison.
The top-1 on Copeland's method is considered a weak Condorcet winner.
Likewise, if in an election of <code>n</code> alternatives, a alternative beats <code>n -