Why does the Index count a team's winning percentage for less than that of it's
opponents' opponents?  It would seem to make you a better team based more on
the company you keep than on your performance against them.
 
also, have you tried a multiplicative model, wherein the final factor is the
product of different powers of the three base terms?  This would make
exaggerations like extraordinary winning percentage or terrible opponents'
winning percentage much larger factors in a team's rank.
 
Ross
RPI `91
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