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BGonline.org Forums
Suggested Idea for Performance Grading
Posted By: Timothy Chow In Response To: Suggested Idea for Performance Grading (mamabear)
Date: Sunday, 5 October 2014, at 7:25 p.m.
mamabear wrote:
One problem with VRR is that the luck estimates that are its foundation, are calculated by an imperfect bot.
If this is supposed to be an argument against VRR and in favor of PR, then this is backwards. VRR has the advantage that even if the bot is imperfect, or even wildly wrong, it will still average out to the correct value in the long run. The same cannot be said about PR.
To take an extreme example, a bot that has luck completely backwards, regarding lucky rolls as unlucky and vice versa, will still report a VRR that averages to the correct value in the long run. It's just that it will take a longer time to converge than just taking the unadjusted results would.
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