electsys21: Voting Methods for Ranked, Rated and Approval Ballots
Implements a range of voting methods and electoral systems
for determining election winners, including the D21 method with and
without minus votes
(Janecek, <https://www.ih21.org/en/d21-janecek-method>),
first-past-the-post, two-round runoff, instant runoff, the Borda
count, approval voting, majority judgement and the Condorcet method.
The functions accept several ballot formats - ranking, cardinal
utilities, approvals and scores - with automatic detection of the
input type, configurable tie-breaking and tidy summaries of the
results.
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