RuleScore¶
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class
whalrus.
RuleScore
(*args, tie_break: whalrus.priorities.priority.Priority = Priority.UNAMBIGUOUS, converter: whalrus.converters_ballot.converter_ballot.ConverterBallot = None, **kwargs)[source]¶ A voting rule with scores (which are not necessarily numbers).
Each candidate is assigned a score (not necessarily a number), and the the cowinners are the candidates with the best score, in the sense defined by
compare_scores()
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best_score_
¶ The best score.
Type: object
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compare_scores
(one: object, another: object) → int[source]¶ Compare two scores.
Parameters: - one (object) – A score.
- another (object) – A score.
Returns: 0 if they are equal, a positive number if
one
is greater thananother
, a negative number otherwise.Return type: int
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n_candidates_
¶ Number of candidates.
Type: int
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order_
¶ Result of the election as a (weak) order over the candidates. It is a list of
NiceSet
. The first set contains the candidates that have the best score, the second set contains those with the second best score, etc.Type: list
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scores_
¶ The scores. To each candidate, this dictionary assigns a score (non necessarily a number).
Type: NiceDict
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strict_order_
¶ Result of the election as a strict order over the candidates. The first element is the winner, etc. This may use the tie-breaking rule.
Type: list
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trailer_
¶ The “trailer” of the election. This is the last candidate in
strict_order_
and also the unfavorable choice of the tie-breaking rule incotrailers_
.Type: object
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winner_
¶ The winner of the election. This is the first candidate in
strict_order_
and also the choice of the tie-breaking rule incowinners_
.Type: object
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worst_score_
¶ The worst score.
Type: object
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