[Noisebridge-discuss] voting: approval vs condorcet

John E neurofog at gmail.com
Thu Dec 30 16:28:40 UTC 2010


Should we simply have a consensus to confirm candidates to solve this issue?

John

On Thu, Dec 30, 2010 at 8:26 AM, Shannon Lee <shannon at scatter.com> wrote:

> It seems to me that Evilla and her supporters are likely to be quite pissed
> that she got 60% of the vote and lost.
>
> It does seem like this is a "prevent bad people from getting on the board"
> use case rather than a "pick the best people for the board" use case, which
> is closer to what we want for the board...
>
> Although in this case, Evilla does win the second round, because poor
> Charlie doesn't get hardly any votes...
>
> --S
>
>
> On Thu, Dec 30, 2010 at 7:49 AM, Andy Isaacson <adi at hexapodia.org> wrote:
>
>> I've been looking into Leif's argument that approval voting is a better
>> fit for Noisebridge's philosophy than the Condorcet method we used last
>> year.
>>
>> I have an example that makes me think he might be right.
>>
>> However, voting system examples are tricksy things, and I'd appreciate
>> another set of eyes.  Also, my example is for a single-winner election
>> whereas our election is for a 5-member board, and few of the voting
>> system examples address multi-winner elections.
>>
>> My example follows.  Note that approval voting can be implemented by
>> Condorcet if weights are limited to {0, 1}.
>>
>> % cat divisive.ballot
>> Position: Board
>> Candidates:  Bob Charlie Evillia
>>
>> # 60% of the voters think Evillia is the best candidate, but the other
>> # 40% think she'd be terrible.  80% agrees that Bob would be a
>> # reasonable candidate, across both sides.
>>
>> 2 - 1
>> 2 - 1
>> 2 - 1
>> 2 - 1
>> - - 1
>> - 1 1
>> 1 - -
>> 1 2 -
>> 1 2 -
>> 1 2 -
>> % ./election.py divisive.ballot
>> Election results saved to: 2010-12-30-Board.txt
>> #     Winner: Evillia
>> % sed s/2/1/g < divisive.ballot > approval.ballot
>> % ./election.py approval.ballot
>> Election results saved to: 2010-12-30-Board.txt
>> #     Winner: Bob
>>
>> Thoughts?
>>
>> -andy
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>>
>
>
>
> --
> Shannon Lee
> (503) 539-3700
>
> "Any sufficiently analyzed magic is indistinguishable from science."
>
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>
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