Tragni's method: Difference between revisions

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==Systems Variations==
==Systems Variations==


===Cardinal Tragni's Method (CTM)===
===Cardinal Tragni's Method (C-TM)===

It's the Tragni's method which in the range doesn't have the [worst] and [best] symbols.

'''Semi-Cardinal Tragni's method''': it's the Tragni's method which in the range doesn't have one of the symbols [worst] or [best].

===Score Tragni's Method (S-TM)===


Instead of the proportions, the difference is used.
Instead of the proportions, the difference is used.
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Given these votes, with Tragni's method and MAX=5, A wins:
Given these votes, with Tragni's method and MAX=5, A wins:


A[best] B[2] C[1] D[worst] E[1.5]
A[best] B[2] E[1.5] C[1] D[worst]
A[4] B[5] C[1] D[worst] E[best]
E[best] B[5] A[4] C[1] D[worst]
A[4] B[5] C[best] D[worst] E[2]
C[best] B[5] A[4] E[1] D[worst]


Using instead [[Copeland's method]], on the same votes, the winner would be B ([[Condorcet winner]])
Using instead [[Copeland's method]], on the same votes, the winner would be B ([[Condorcet winner]])
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* use the sum of the points, as in the [[Score Voting]], to determine which is the worst candidate.
* use the sum of the points, as in the [[Score Voting]], to determine which is the worst candidate.
* applies a proportional distribution of the points similar to the concept of proportion used into Tragni's method, and treats the value 0 of the range similarly to [worst].
* applies a proportional distribution of the points similar to the concept of proportion used into Tragni's method, and the value 0 of the range works similarly to [worst].


===[[Approval AV|Approval Voting]]===
===[[Approval AV|Approval Voting]]===