I found that the "support percentage" formula S/(S+O) fails some important
criteria for voting systems, for example it gives more weight to a vote for
minor candidates, which violates the one person, one vote principle among
others.  "Net support" (S-O) is equally obscure and problematic.  My
personal suggestion is to stick with straight "approval" voting, ranking
winners by the total number of support votes, rather than attempting to
invent or explain more exotic systems.

If we still want to factor in oppose votes as a measure of
"controversiality", we can set a minimum support percentage, rather than
using it to rank directly.  Looking at the support percentages for the top
5 candidates in the last election, they were within 5% of one another and
the score was quite inappropriate to use for ranking.  Sigh, lessons
learned!

Here's my analysis, I'd be happy to move to the main namespace if others
want to expand on it:
https://meta.wikimedia.org/wiki/User:Adamw/Draft/Board_Election_analysis

-Adam
[[mw:User:Adamw]]

On Fri, Jan 29, 2016 at 9:28 AM Anders Wennersten <m...@anderswennersten.se>
wrote:

> Actually the formula used (S/S+O) is from a ranking point identical to
> (S-O/S+O) (=(S-O)/(Total-Neutral). And the result would have been
> different if the formula (S-O)/Total had been used (Maria would have
> been in). So in some ways it was the Neutral votes who decided, or
> rather that the formula used disregard the Neutral ones, saw them as
> identical to abstain.
>
> A discussion exist on the election pages already and for future election
> it is worthwhile to look into how the neutral votes should be taken into
> account  (and if there a distinction between abstain and neutral).
>
> Anders
>
>
>
> Den 2016-01-29 kl. 18:02, skrev Yaroslav M. Blanter:
> >
> > Whereas this is a correct statement, it is irrelevant. The voters
> > voted knowing that only support votes count. If the system were
> > different, they could have voted differently.
> >
> > Cheers
> > Yaroslav
> >
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