Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-21 Thread Abd ul-Rahman Lomax
At 01:30 AM 4/20/2010, Dave Ketchum wrote: On Apr 19, 2010, at 11:48 AM, Abd ul-Rahman Lomax wrote: Or other advanced method. What is often overlooked in the discussion of voting methods, due to the emphasis on deterministic methods that always find a winner with one ballot, is that runoff

[EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-21 Thread Chris Benham
Dave Ketchum wrote 17 April 2010: First, quoting Wikipedia: A Condorcet method is any single-winner election method that meets the Condorcet criterion, that is, which always selects the Condorcet winner, the candidate who would beat each of the other candidates in a run-off election, if

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-21 Thread Dave Ketchum
Somehow this thread forgot its primary address - sorry. On Apr 21, 2010, at 11:04 AM, robert bristow-johnson wrote: Dave, i think you meant to respond to the EM list, not? i think you and i are on the same side, i just would not expect adopting Preferential Voting (be it Condorcet or IRV or

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-21 Thread Juho
The same logic applies also to the Condorcet criterion. We all probably agree on what terms Condorcet criterion, Condorcet method, Condorcet-complying method are intended to refer to. Term Condorcet might refer to any of these or maybe to Marquis de Condorcet (in the EM framework). If one

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-21 Thread Dave Ketchum
On Apr 21, 2010, at 1:06 PM, Abd ul-Rahman Lomax wrote: At 01:30 AM 4/20/2010, Dave Ketchum wrote: On Apr 19, 2010, at 11:48 AM, Abd ul-Rahman Lomax wrote: Or other advanced method. What is often overlooked in the discussion of voting methods, due to the emphasis on deterministic methods that

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-21 Thread robert bristow-johnson
On Apr 21, 2010, at 3:17 PM, Dave Ketchum wrote: Somehow this thread forgot its primary address - sorry. On Apr 21, 2010, at 11:04 AM, robert bristow-johnson wrote: Dave, i think you meant to respond to the EM list, not? i think you and i are on the same side, i just would not expect

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-19 Thread Kristofer Munsterhjelm
Kevin Venzke wrote: The Burlington votes are inspiring. I'm amazed at how close the first preference counts were, and that a fourth candidate even got 15%. Unfortunately the resolution is so stereotypical you could think it was contrived to make a point. What worries me is the possibility

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-19 Thread Juho
Some examples of distribution of seats between political parties (I believe these are all proportional or close to proportional). http://en.wikipedia.org/wiki/Parliament_of_Belgium#Chamber_of_Representatives http://en.wikipedia.org/wiki/Parliament_of_Denmark#Last_election_results

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-19 Thread Kristofer Munsterhjelm
James Gilmour wrote: robert bristow-johnson Sent: Monday, April 19, 2010 4:03 AM I dunno about France, but is that the case in Italy? or Israel? I thought there were a bunch of countries with a half dozen contending parties or more. it looks to me that even the UK has three significant

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-19 Thread Abd ul-Rahman Lomax
At 11:55 PM 4/18/2010, Dave Ketchum wrote: There are many elections with only one reasonable choice - such as a good qualified worker trying for re-election. Here even FPP would be fine, and we hope for nothing that makes voting unreasonably labor intensive. The many with two reasonable

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again. RBJ

2010-04-19 Thread Kevin Venzke
Hi Robert, A quick response. --- En date de : Dim 18.4.10, robert bristow-johnson r...@audioimagination.com a écrit : my metric of goodness for an election method is not minimizing Bayesean regret but is in minimizing mean voter disappointment in the election result. It's hard for me to

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-19 Thread Dave Ketchum
On Apr 19, 2010, at 11:48 AM, Abd ul-Rahman Lomax wrote: At 11:55 PM 4/18/2010, Dave Ketchum wrote: There are many elections with only one reasonable choice - such as a good qualified worker trying for re-election. Here even FPP would be fine, and we hope for nothing that makes voting

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread Kevin Venzke
Hi Dave, --- En date de : Sam 17.4.10, Dave Ketchum da...@clarityconnect.com a écrit : Why IRV?  Have we not buried that deep enough?  Why not Condorcet which does better with about the same voting? In the context that I said I wanted to use IRV, I wanted to preserve LNHarm. It's kind of a

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread Kevin Venzke
Hi, --- En date de : Sam 17.4.10, robert bristow-johnson r...@audioimagination.com a écrit : but cycles don't always happen, and i would bet that they rarely happen in the real world.  [Burlington example] I actually view this as possibly evidence of a possibly correctable problem. Or at

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread Dave Ketchum
On Apr 18, 2010, at 11:08 AM, Kevin Venzke wrote: Hi Dave, --- En date de : Sam 17.4.10, Dave Ketchum da...@clarityconnect.com a écrit : Why IRV? Have we not buried that deep enough? Why not Condorcet which does better with about the same voting? In the context that I said I wanted to

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread Dave Ketchum
Cycles likely are not frequent, but elections with such combinations of candidates desperately need attention that such as Plurality do not offer - even if not truly cycle material. On Apr 18, 2010, at 11:21 AM, Kevin Venzke wrote: Hi, --- En date de : Sam 17.4.10, robert bristow-johnson

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread robert bristow-johnson
On Apr 18, 2010, at 11:21 AM, Kevin Venzke wrote: --- En date de : Sam 17.4.10, robert bristow-johnson r...@audioimagination.com a écrit : but cycles don't always happen, and i would bet that they rarely happen in the real world. [Burlington example] I actually view this as possibly

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread Kevin Venzke
Hi Robert, --- En date de : Dim 18.4.10, robert bristow-johnson r...@audioimagination.com a écrit : now i disagree with Gierzynski's value system here, but i agree with him about the consequences.  if the Liberals in Burlington want to minimize the likelihood of electing the Conservative

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread Kevin Venzke
Hi Dave, --- En date de : Dim 18.4.10, Dave Ketchum da...@clarityconnect.com a écrit : --- En date de : Sam 17.4.10, Dave Ketchum da...@clarityconnect.com a écrit : Why IRV?  Have we not buried that deep enough?  Why not Condorcet which does better with about the same voting? In

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread Abd ul-Rahman Lomax
A comment on Later-No-Harm. The discussion of voting systems largely ignores what may be the most widely-used voting system! Certainly, outside of governmental usage, it's the most widely-used, and that is repeated ballot. As described in Robert's Rules of Order, voters vote for one

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-18 Thread robert bristow-johnson
On Apr 18, 2010, at 6:39 PM, Kevin Venzke wrote: --- En date de : Dim 18.4.10, robert bristow-johnson r...@audioimagination.com a écrit : now i disagree with Gierzynski's value system here, but i agree with him about the consequences. if the Liberals in Burlington want to minimize the

[EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-17 Thread Kevin Venzke
Hi, This post is going to ramble a bit but I thought I'd get something out. There are no big conclusions; I'm just explaining where I am at in my mind currently. Here are classifications of three-candidate scenarios as they exist in my head: .'. symmetric - you need a second axis in issue space

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-17 Thread Dave Ketchum
Why IRV? Have we not buried that deep enough? Why not Condorcet which does better with about the same voting? Why TTR? Shouldn't that be avoided if trying for a good method? TTR requires smart deciding as to which candidates to vote on. Will not Condorcet attend to clones with minimum

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-17 Thread Dave Ketchum
First, quoting Wikipedia: A Condorcet method is any single-winner election method that meets the Condorcet criterion, that is, which always selects the Condorcet winner, the candidate who would beat each of the other candidates in a run-off election, if such a candidate exists. In modern

Re: [EM] Classifying 3-cand scenarios. LNHarm methods again.

2010-04-17 Thread robert bristow-johnson
On Apr 17, 2010, at 9:25 PM, Markus Schulze wrote: In my opinion, Condorcet refers to a criterion rather than to an election method. actually Markus, i mostly disagree. Condorcet, with no other qualification (like Schulze or RP) does not *fully* describe a method because it doesn't