[EM] final support

[Chris Benham]

Forest W Simmons wrote (31/03/2007):

>So far, the three most promising measures of defeat strength for 
>Beatpath and the other immune methods are ...
>
>1. Winning Votes: the number of ballots in favor of the pairwise win.
>
>2. Total Approval: the number of ballots on which the pairwise winner 
>is approved.  The Beatpath, Ranked Pairs, and River formulations of DMC 
>make use of this measure of "defeat strength."
>
>3. Approval Against: the number of ballots on which the pairwise winner 
>is approved but the defeated alternative is not approved.
>
>I suggest that we combine these three measures, and call the resulting 
>measure "Final Support," because it is an indication of the 
>ratification support that the victor of a pairwise contest would 
>receive, given that the defeated alternative is out of the picture.
>
>4. Final Support: the number of ballots on which the victor of a 
>pairwise contest is either approved or ranked above the defeated 
>alternative (or both).
>
>I suggest that River(fs) would be worth looking into, starting with all 
>of the troublesome three candidate scenarios.
>  
>

Forest,

Why isn't  

"Approval Margins: the number of ballots on which the pairwise winner is 
approved minus the
number of ballots on which the pairwise defeated alternative is approved"

on your list of  "most promising measures of defeat strength.."?

Chris Benham



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