[EM] Markus, 16 March, '05, 0650 GMT

2005-03-15 Thread MIKE OSSIPOFF
Markus-- You said: Well, you wrote that a candidate B is "majority rejected" when there is another candidate A such that a majority of the voters strictly prefers candidate A to candidate B. I reply: No, that wasn't how I defined "majority-rejected". I spoke of voting, not preference. You continu

[EM] Markus, 16 March, '05, 0603 GMT

2005-03-15 Thread MIKE OSSIPOFF
Dear Markus-- You quoted me: http://lists.electorama.com/pipermail/election-methods-electorama.com/1997-February/001295.html GMC: Never elect a majority-rejected candidate (a candidate over whom someone else is ranked by a majority) unless every candidate in the set from the method is to choose is

[EM] Re: Total Approval Ranked Pairs

2005-03-15 Thread Russ Paielli
Ted Stern tedstern-at-mailinator.com |EMlist| wrote: On 15 Mar 2005 at 08:34 PST, Ted Stern wrote: On 14 Mar 2005 at 22:02 PST, Jobst Heitzig wrote: Dear Forest, Russ, and Ted! I suggest that we call the method we discussed under various names in the last days ARC (Approval Runoff Condorcet) and co

[EM] Re: How to describe RAV/ARC

2005-03-15 Thread Ted Stern
Hi Forest, Apparently I missed your interactions with Bart on this list, but I'll take your word for it. ;-) On 15 Mar 2005 at 14:12 PST, Forest Simmons wrote: > But now let me continue on to a sales pitch for a related method: > > We got the set P by eliminating all of the candidates that both A

[EM] Triangle plotter available if anyone would like it

2005-03-15 Thread Kevin Venzke
Hello, I compiled my triangle-plotting program to a DOS .EXE (which runs probably in full-screen, 320x200x256 mode) which I can send to anyone who wants to play with it. It opens with a page of instructions. The program assigns ballot types to dimensions (up to four, meaning this is a pyramid, an

[EM] Re: majority rule vs. maximum approval (was: least additional votes)

2005-03-15 Thread Forest Simmons
On Tue, 15 Mar 2005, James Green-Armytage wrote: James G-A replying to Forest Simmons, about fundamental Condorcet vs. approval issues James opined that the winner should always come from the Smith set because otherwise majority rule is violated more than necessary. However, it seems to me that maj

[EM] Re: least additional votes

2005-03-15 Thread Forest Simmons
A variation on least additional votes: Let f(A) be the fewest number of additional ballots (by friends of A) that can turn A into the CW. Let g(A) be the fewest number of additional ballots (by opponents of A) that can turn A into the Condorcet Loser. In other words g(A) is the same as the reve

[EM] How to describe RAV/ARC

2005-03-15 Thread Forest Simmons
On Tue, 15 Mar 2005, Ted Stern wrote: I don't think anybody could argue with that. Bart inoculated me against ever using that sentence :') Here's my sales pitch (to EM members) for RAV/ARC: When candidate X beats Y in both approval and by head-to-head choice, let's say that X strongly beats Y. I

Re: [EM] Re: San Francisco IRV Ballots - District 9

2005-03-15 Thread Eric Gorr
Greg Dennis wrote: just FYI on the San Francisco data . . . a vote for candidate (number-of-candidates + 1) indicates an "overvote," which is a vote for more than one candidate at the same rank. in District 9 there were only 7 candidates, so a vote for candidate "08" indicates an overvote. SF co

[EM] Re: San Francisco IRV Ballots - District 9

2005-03-15 Thread Greg Dennis
just FYI on the San Francisco data . . . a vote for candidate (number-of-candidates + 1) indicates an "overvote," which is a vote for more than one candidate at the same rank. in District 9 there were only 7 candidates, so a vote for candidate "08" indicates an overvote. SF counting rules dictat

Re: [EM] About random election methods

2005-03-15 Thread Forest Simmons
Date: Mon, 14 Mar 2005 22:03:25 -0800 From: Russ Paielli <[EMAIL PROTECTED]> Subject: Re: [EM] About random election methods Russ wrote to Andrew: Andrew, I think voters will reject any method that isn't deterministic. Barring actual numerical ties, why should the selection of the winner depend in

[EM] Re: Total Approval Ranked Pairs

2005-03-15 Thread Russ Paielli
Ted Stern tedstern-at-mailinator.com |EMlist| wrote: On 14 Mar 2005 at 22:02 PST, Jobst Heitzig wrote: Dear Forest, Russ, and Ted! I suggest that we call the method we discussed under various names in the last days ARC (Approval Runoff Condorcet) and continue to study its properties, especially it

[EM] San Francisco IRV Counting rules & possible bad ballots

2005-03-15 Thread Eric Gorr
I found the reason why my counts were different from the official tally for District 9, but this leads to more confusion on how the ballots were counted...is anyone more familiar with the IRV counting rules used in SF then myself? First, there were only 7 candidates in the race...6 named and 1

[EM] Re: Total Approval Ranked Pairs

2005-03-15 Thread Ted Stern
On 15 Mar 2005 at 08:34 PST, Ted Stern wrote: >On 14 Mar 2005 at 22:02 PST, Jobst Heitzig wrote: >> Dear Forest, Russ, and Ted! >> >> I suggest that we call the method we discussed under various names >> in the last days ARC (Approval Runoff Condorcet) and continue to >> study its properties, espec

[EM] Re: visualizing the procedure for RAV (or whatever you call it)

2005-03-15 Thread Ted Stern
On 14 Mar 2005 at 22:40 PST, Russ Paielli wrote: > > Note, however, that as you proceed up toward the Approval winner, the number > of blacked-out elements needed to win decreases. The AW himself needs > none. In other words, the Approval winner needs no pairwise wins to win the > election. That's

[EM] San Francisco IRV Ballots - District 9

2005-03-15 Thread Eric Gorr
I am doing my own count of the votes and I seem to be having trouble getting the same tally for district 9 that match the official results. The data I am using comes from: http://web.sfgov.org/site/election_index.asp?id=28171 The results can be found at: http://www.sfgov.org/site/election_index.a

[EM] Re: Total Approval Ranked Pairs

2005-03-15 Thread Ted Stern
On 14 Mar 2005 at 22:02 PST, Jobst Heitzig wrote: > Dear Forest, Russ, and Ted! > > I suggest that we call the method we discussed under various names > in the last days ARC (Approval Runoff Condorcet) and continue to > study its properties, especially its anti-strategy properties. > > I agree wit

Re: [EM] About random election methods, CDTT,RB

2005-03-15 Thread Kevin Venzke
Hello, As I wrote recently, I want to elect from the CDTT set by Random Ballot. (The CDTT set, again, contains every candidate who has a majority-strength beatpath to everyone who has such a beatpath back to them.) I think the randomness can be justified here by noting that the CDTT effectively d

Re: [EM] About random election methods

2005-03-15 Thread Eric Gorr
Russ Paielli wrote: I think voters will reject any method that isn't deterministic. They don't currently do so, so why would they do so in the future? It is not completely unexpected for a tie to occur and, when that happens under Plurality (First-Past-The-Post), the winner has generally been det

Re: [EM] visualizing the procedure for RAV (or whatever you call it)

2005-03-15 Thread Jobst Heitzig
Dear Russ! ARC (aka RAV) cannot elect the Approval winner when s/he beats no other candidate since the method is Smith-consistent! Yours, Jobst __ Verschicken Sie romantische, coole und witzige Bilder per SMS! Jetzt bei WEB.DE FreeMail:

Re: [EM] About random election methods

2005-03-15 Thread Jobst Heitzig
Dear Russ! You wrote: > I think voters will reject any method that isn't deterministic. Barring > actual numerical ties, why should the selection of the winner depend in > any way on some random event? Well, in my opinion election methods should be democratic, and that is not the same as "maj

Re: [EM] sequential dropping

2005-03-15 Thread Markus Schulze
Dear James Green-Armytage, > > > Am I correct in thinking that minimax chooses E in this > > > example, ranked pairs chooses D, and river chooses F? > > > > > Oops. Minimax chooses D, not E... is that right? > > > > MinMax chooses A. > > Yes, indeed it does. I'm quite embarrassed. Did I get the >

Re: [EM] Re: majority rule, mutinous pirates, and voter strategy

2005-03-15 Thread James Green-Armytage
Hi Juho, About your "least additional votes" method: Correct me if I'm wrong, but I think that your method is equivalent to minimax (margins). Adding an additional "vote" will decrease the margin of each of a candidates defeats by one. So, the candidate whose widest-margin defeat is less w

[EM] majority rule vs. maximum approval (was: least additional votes)

2005-03-15 Thread James Green-Armytage
James G-A replying to Forest Simmons, about fundamental Condorcet vs. approval issues >James opined that the winner should always come from the Smith set >because >otherwise majority rule is violated more than necessary. >However, it seems to me that majority is just one form of consensus. >Max a

Re: [EM] Round Robins

2005-03-15 Thread Dave Ketchum
On Tue, 15 Mar 2005 06:53:52 +0100 Jobst Heitzig wrote: Dear Dave! You wrote: Agreed you do not need (n-1)*n/2 pairwise comparisons BUT, seems to me ROWS went too far: It will happily and efficiently return the CW if there is one. It does not know if there is a cycle, though the winner of t

[EM] Re: majority rule, mutinous pirates, and voter strategy

2005-03-15 Thread Juho Laatu
Hello James,   Here is some feedback on point 1. I didn't find yet time to write a proper answer also to point 3 but I'm planning to comment also that.   1. Majority and Smith set Yes, one should respect the majority opinion. My thinking however goes so that in some situations some majority opinio