[EM] Why Condorcet

[Dave Ketchum]

Having ideas is great.

What we do should be based on whether we see them as worth the effort.

My proposal for adding an array to the N*N matrix was based on both  
reducing effort and expecting less errors in recording desires.

Dave Ketchum

On Jul 7, 2010, at 11:33 AM, robert bristow-johnson wrote:
> On Jul 7, 2010, at 2:36 AM, Kristofer Munsterhjelm wrote:
>> robert bristow-johnson wrote:
>>
>>> i still think that rectangular N*N matrix is sorta useless.  it's  
>>> hard to read.  each pair should be grouped together for visual  
>>> inspection.
>>
>> How do you handle the case where some voters have no preference  
>> between certain candidates? In that case -- say someone voted C =  
>> D, then (C>D + D>C) is not equal to the number of voters. If you  
>> publish only C>D, then there's no way to know whether someone equal- 
>> ranked him or not.
>
> so, maybe instead of two little lines per pair, there are three.   
> (actually another line for defeat strength would be useful.)
>
>     C>D   2936
>     D>C   1592
>     C=D    129
>          <1344>
>
> so, i guess that would mean that 129 voters ranked C and D equally  
> somewhere above the absolute bottom (since unranked and unmarked  
> candidates are tied for last place on any particular ballot).  if  
> those 3 numbers add up to less than the number of voters who  
> received and cast ballots, then the difference would have to be  
> voters who didn't rank C and D at all (and left tied for last place).
>
> the point is that everything you have regarding a pair of candidates  
> is grouped together in one place for easy inspection.  i do not  
> think that rectangular NxN matrix lends itself to quick and easy  
> inspection by a lay person.
>
> --
>
> r b-j                  rbj at audioimagination.com