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Phragmen's voting rules: Difference between revisions

Tidying up definitions of max/var-Phragmén and Ebert's Method
(Linked to archive.org version (at https://web.archive.org/web/20210613194328/https://aaai.org/ocs/index.php/AAAI/AAAI17/paper/view/14757 ))
(Tidying up definitions of max/var-Phragmén and Ebert's Method)
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* '''seq-Phragmén''': Phragmén's original method, described above. It attempts to minimize the maximal load by sequentially electing candidates.
* '''max-Phragmén''': The non-sequential variant of seq-Phragmen: the objective is the same (minimize the maximal load), but it's treated as a global optimization problem. The load from each candidate does not have to be evenly spead across their voter, but is done so optimally to minimise the total maximum load (from all candidates) on any one voter.
* '''var-Phragmén''': [[Ebert's method]]. This variant minimizes the variance of the load distribution. As with max-Phragmén, the load from each candidate can be spread unevenly across their voters.
* '''[[Ebert's method]]''': As var-Phragmén but where a candidate's load is evenly spread across their voters.
 
In addition, these variants are also described on Electowiki:
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