Topic summary
Voting rule
Extracted from the Wikipedia article Electoral system.
Unusual Proportional Representation systems
Some proportional voting systems use rating. They include Thiele's voting rules and Phragmen's voting rule. A special case of Thiele's voting rules is Proportional Approval Voting. Some proportional systems that may be used with either ranking or rating include the Method of Equal Shares and the Expanding Approvals Rule.