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<DIV dir=ltr align=left><FONT face=Arial color=#0000ff size=2><SPAN
class=940152100-15122005>Agree, but I am more interested in similarity of
voters' ballots than similarity of candidates.</SPAN></FONT></DIV><BR>
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<FONT face=Tahoma size=2><B>From:</B> election-methods-bounces@electorama.com
[mailto:election-methods-bounces@electorama.com] <B>On Behalf Of </B>rob
brown<BR><B>Sent:</B> Wednesday, December 14, 2005 6:11 PM<BR><B>To:</B> Paul
Kislanko<BR><B>Cc:</B> Election Methods Mailing List<BR><B>Subject:</B> Re:
[EM] number of possible ranked ballots given N candidates<BR></FONT><BR></DIV>
<DIV></DIV>On 12/14/05, <B class=gmail_sendername>Paul Kislanko</B> <<A
href="mailto:kislanko@airmail.net">kislanko@airmail.net</A>> wrote:
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<BLOCKQUOTE class=gmail_quote
style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid">I
think it is possible, though, to use the combination of pairwise
matrix<BR>and the counts-by-rank matrix together to retrieve the the
original ballot<BR>preferences.<BR></BLOCKQUOTE></DIV><BR>You could get a more
accurate estimate of the original ballots than the matrix alone, but you can't
get the original ballots. <BR><BR>For instance, I believe you have lost
all the data about similarity of
candidates.<BR><BR><BR></BLOCKQUOTE></BODY></HTML>