Re: [EM] eliminations methods like IRV

2001-02-26 Thread Forest Simmons
That'll teach me to say,"Nobody can deny!" On Fri, 23 Feb 2001, Bart Ingles wrote: > > > Forest Simmons wrote: > > > > 40 BUVWCXYZA > > 25 UVWCABXYZ > > 35 AUVWBXYZC > > > > In this version (Blake's example with steroids) nobody can deny that some > > of the candidates are much better than

Re: [EM] eliminations methods like IRV

2001-02-23 Thread Bart Ingles
Bart Ingles wrote: > > Forest Simmons wrote: > > > > 40 BUVWCXYZA > > 25 UVWCABXYZ > > 35 AUVWBXYZC > > > > In this version (Blake's example with steroids) nobody can deny that some > > of the candidates are much better than others, for example U is strongly > > preferred over Z by all the voter

Re: [EM] eliminations methods like IRV

2001-02-23 Thread Bart Ingles
Forest Simmons wrote: > > 40 BUVWCXYZA > 25 UVWCABXYZ > 35 AUVWBXYZC > > In this version (Blake's example with steroids) nobody can deny that some > of the candidates are much better than others, for example U is strongly > preferred over Z by all the voters. Not necessarily; suppose ratings

Re: [EM] eliminations methods like IRV

2001-02-23 Thread Forest Simmons
Thanks to Blake Cretney for the example below! Immediately below that I beef his example up to show in stark relief IRV's failure to detect that there actually is a best and a worst. On Wed, 21 Feb 2001, Blake Cretney wrote: > On Thu, 22 Feb 2001 00:02:12 + > Martin Harper <[EMAIL PROTECTE

Re: [EM] eliminations methods like IRV

2001-02-21 Thread Blake Cretney
On Thu, 22 Feb 2001 00:02:12 + Martin Harper <[EMAIL PROTECTED]> wrote: > Forest Simmons wrote > > > > is it possible for IRV to pick the same candidate as both the best and the > > worst? In other words, is there a pair of examples which are identical > > except for the reversal of prefer

[EM] eliminations methods like IRV

2001-02-21 Thread Forest Simmons
Can anything be salvaged from IRV? I think so: it's an ill wind indeed that blows no good at all. One idea implicit in IRV is this: Keep eliminating the worst candidates from the rankings until the best choice among the remaining candidates is obvious. The idea is appealing. I like it, and I s

Re: [EM] eliminations methods like IRV

2001-02-21 Thread Forest Simmons
Here's some more (as threatened): An example of iteration: We start with rankings and a crude method for picking the winner. Rankings: 34% A>B>C 36% C>B>A 30% B>A>C Crude Starting Method: Method_0 is just the one we mentioned last time ... choosing the candidate with the least number of last

Re: [EM] eliminations methods like IRV

2001-02-21 Thread Martin Harper
Forest Simmons wrote > is it possible for IRV to pick the same candidate as both the best and the > worst? In other words, is there a pair of examples which are identical > except for the reversal of preference directions, that both have the same > winner when IRV is applied? According to http