Re: [EM] Poll for favorite single-winner voting system with OpaVote

2011-10-10 Thread robert bristow-johnson
an important value of a voting system is that, although it may be laborious, it ought to be able to be hand counted or hand verified. in an election that is city wide or county or state wide, it doesn't bother me at all that machines are used to scan ballots. i am a big advocate for optical

[EM] Help requested: rankings corresponding to pairwise array

2011-10-10 Thread Ted Stern
Hi, Say I have a pairwise array that looks like | A | B | C | D | ===+=+=+=+=+ A | 60 | 45 | 46 | 60 | ---+-+-+-+-+ B | 55 | 55 | 55 | 49 | ---+-+-+-+-+ C | 54 | 45 | 54 | 52 | ---+-+-+-+-+ D | 40 |

Re: [EM] Help requested: rankings corresponding to pairwise array

2011-10-10 Thread Andy Jennings
If all you care about are margins, then you can build up the pairwise array from atomic pairs of voters. For example, I consider ABCD and DCAB to be an atom for AB because all other pairwise races cancel out, yielding the following margins matrix: | A | B | C | D |

[EM] Critique of FairVote's approval voting report

2011-10-10 Thread Jameson Quinn
I would like to make a detailed critique of the FairVote report they've put up at approvalvoting.blogspot.com and rangevoting.com. I believe that every single one of the conclusions of that report is dangerously wrong. I've created a google

Re: [EM] Critique of FairVote's approval voting report

2011-10-10 Thread robert bristow-johnson
dunno if i can do much critiquing of that particular doc. what i like is in FairVote's page: http://www.fairvote.org/single-winner-voting-method-comparison-chart where they claim that IRV will do a better job getting the Condorcet winner than does Condorcet (sometimes the Condorcet method

[EM] i also liked what FairVote says about IRV and monotonicity.

2011-10-10 Thread robert bristow-johnson
Instant Runoff (IRV): monotonicity criterion - Both two-election runoffs and IRV can fail the monotonicity criterion because voters who shift to this otherwise winning candidate may shift their votes away from the candidate who would otherwise be in the runoff, resulting in a different, and