X-Git-Url: https://projects.mako.cc/source/rubyvote/blobdiff_plain/f45d602acb9ce51330389311dee8e8a9ad1199fb..1217d8139176963d7c2693e76c0da7910631d9fa:/README diff --git a/README b/README index 5a27dcd..efd0ddf 100644 --- a/README +++ b/README @@ -13,7 +13,7 @@ RubyVote: Election Methods Library in Ruby Overview --------- -**Latest Version:** 0.1 +**Latest Version:** 0.2 **Download Latest Version:** `here `__ @@ -60,15 +60,17 @@ Currently these include: * `Borda`__ * `Simple Condorcet`__ * `Condorcet with Cloneproof SSD`__ +* `Instant Runnoff Voting`__ (Thanks Alexis Darrasse!) __ http://en.wikipedia.org/wiki/Plurality_electoral_system __ http://en.wikipedia.org/wiki/Approval_voting __ http://en.wikipedia.org/wiki/Borda_count __ http://en.wikipedia.org/wiki/Condorcet_method -__ http://en.wikipedia.org/wiki/Shulze_method +__ http://en.wikipedia.org/wiki/Schulze_method +__ http://en.wikipedia.org/wiki/Instant_Runoff_Voting -Writing support for a currently unsupported voting method (e.g., instant -runoff voting) is a fantastic way to to contribute to this module. +Writing support for a currently unsupported voting method is a fantastic +way to to contribute to this module. How To Use This Library ------------------------- @@ -179,6 +181,23 @@ Example:: vote_array = [ ["A", "B"], ["B", "A"], ["B", "A"] ] resultobject = CloneproofSSDVote.new(vote_array).result +Instant Runnoff Voting (IRV) +^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^ + +IRV is a preferential voting system used widely for government elections +in Australia and New Zealand and elsewhere. IRV asks voters to rank +candidates in preference and then holds a series of "runoff" elections +by eliminating the weakest candidate and recomputing the election +results until there exists a candidate who has a majority of the +remaining votes. + +Example:: + + require 'runoff' + vote_array = [ ["A", "B"], ["B", "A"], ["B", "A"] ] + resultobject = InstantRunoffVote.new(vote_array).result + + ElectionResult Objects ***********************