[EM] number of possible ranked ballots given N candidates

[Paul Kislanko]

Agree, but I am more interested in similarity of voters' ballots than
similarity of candidates.


  _____  

From: election-methods-bounces at electorama.com
[mailto:election-methods-bounces at electorama.com] On Behalf Of rob brown
Sent: Wednesday, December 14, 2005 6:11 PM
To: Paul Kislanko
Cc: Election Methods Mailing List
Subject: Re: [EM] number of possible ranked ballots given N candidates


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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