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Swap regret is a concept from game theory. It is a generalization of regret in a repeated, ''n''-decision game. ==Definition== A player's ''swap-regret'' is defined to be the following: : Intuitively, it is how much a player could improve by switching each occurrence of decision ''i'' to the best decision ''j'' possible in hindsight. The swap regret is always nonnegative. Swap regret is useful for computing correlated equilibria. 抄文引用元・出典: フリー百科事典『 ウィキペディア(Wikipedia)』 ■ウィキペディアで「Swap regret」の詳細全文を読む スポンサード リンク
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