Difference between revisions of "River"

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River is a cloneproof monotonic [[Condorcet_method#Different_ambiguity_resolution_methods|Condorcet ambiguity resolution method]] with similarities to both [[Ranked Pairs]] and [[Cloneproof Schwartz Sequential Dropping]], but when cycles exist, can in rare cases find a different winner than either of the other two methods.
 
River is a cloneproof monotonic [[Condorcet_method#Different_ambiguity_resolution_methods|Condorcet ambiguity resolution method]] with similarities to both [[Ranked Pairs]] and [[Cloneproof Schwartz Sequential Dropping]], but when cycles exist, can in rare cases find a different winner than either of the other two methods.
  
It was first proposed by [[User:Heitzig-j|Jobst Heitzig]] on the [[Election-methods mailing list]]:  http://lists.electorama.com/pipermail/election-methods-electorama.com/2004-October/013971.html
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It was first proposed by [[User:Heitzig-j|Jobst Heitzig]] on the [[Election-methods mailing list]]:
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* [http://lists.electorama.com/pipermail/election-methods-electorama.com/2004-April/012666.html First proposal]
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* [http://lists.electorama.com/pipermail/election-methods-electorama.com/2004-April/012671.html slight refinement]
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* [http://lists.electorama.com/pipermail/election-methods-electorama.com/2004-October/013971.html More concise definition]. In this last version, River is defined very similarly to ranked pairs.
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* [http://lists.electorama.com/pipermail/election-methods-electorama.com/2004-October/014102.html Example using 2004 baseball scores].  This shows how a 14-candidate election winner can be determined much more quickly using River than with RP or Beatpath.

Revision as of 14:25, 27 April 2005

River is a cloneproof monotonic Condorcet ambiguity resolution method with similarities to both Ranked Pairs and Cloneproof Schwartz Sequential Dropping, but when cycles exist, can in rare cases find a different winner than either of the other two methods.

It was first proposed by Jobst Heitzig on the Election-methods mailing list: