[EM] Hay voting bust, busted
Jobst Heitzig
heitzig-j at web.de
Tue Feb 6 10:18:46 PST 2007
Dear Peter!
Sorry to insist, but could you please show that given your new formula
it is indeed optimal to vote the true utilities?
For this you would have to differentiate the expected utility by each
expressed rating and show that all these derivatives vanish when the
ratings equal the true utilities.
I have the strong impression that, because of the normalizing constant c
which also depends on all expressed ratings, these derivatives are,
however, far from being zero,
meaning that the expected utility is in fact maximized by some set of
ratings different from the true utilities!
Yours, Jobst
Peter de Blanc schrieb:
> Here's the new article:
>
> http://www.spaceandgames.com/?p=14
>
>
>
>
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