Approval/Plurality: clarification
Bart Ingles
bartman at netgate.net
Tue Oct 6 02:24:33 PDT 1998
Bart Ingles wrote:
>
>> C = computed total (always 50%, unless there is a first-choice majority
> or no approval majority is possible)
> F = first-choice total
> A = Approval total (note the "A - F" term is equivalent to
> "second-choice total")
> W = Weighting factor (see below)
>
> If a candidate has a first-choice majority, the minimum weight factor is
> 0 (the Approval vote is unused). If not, the easiest way to find the
> winner is to work backwards from the totals for each candidate, to find
> the weight factor required for that candidate to reach 50%. The formula
> to do this is:
>
> W = (T/2 - F) / (A - F)
where:
T = First choice total for all candidates combined
>
> The candidate with the lowest weight factor is the winner, at 50%. This
XXXXXX
(with an adjusted total of 50% of the first-choice vote^ )
> weight can then be used to compute the other totals using the first
> formula. If the lowest weight factor is greater than 1, then 1 is used
> and the final vote is equivalent to Approval with no majority (using a
> factor greater than one would give approval votes more weight than the
> first-choice vote).
> [...]
More information about the Election-Methods
mailing list