[EM] number of possible ranked ballots given N candidates
rob brown
rob at karmatics.com
Wed Dec 14 16:10:50 PST 2005
On 12/14/05, Paul Kislanko <kislanko at airmail.net> wrote:
>
> I think it is possible, though, to use the combination of pairwise matrix
> and the counts-by-rank matrix together to retrieve the the original ballot
> preferences.
>
You could get a more accurate estimate of the original ballots than the
matrix alone, but you can't get the original ballots.
For instance, I believe you have lost all the data about similarity of
candidates.
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