critère minimax regret

OBS: [...] critère [de choix consistant] [...] à appliquer le minimax au «regret», défini comme la différence entre le résultat obtenu et celui qu'on aurait pu obtenir, si l'on avait connu l'avenir et donc pris la meilleure décision.

OBS: In the absence of reliable information about probability distributions, it will sometimes prove useful to apply game theory techniques in evaluating alternative public sector projects. One such approach ... is the minimax-regret criteria, that is, minimizing the maximum regret or loss that might occur.
OBS: ... subtract actual pay-off ... from the potential pay-off (the amount that could have been obtained had nature's strategy been known in advance). This difference is taken to measure ""regret"".