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Criterion Weighting Methods

Multicriteria Decision Making (MCDM) problems typically involve criteria of varying importance to decision makers. consequently, information about the relative importance of the criteria is required. This is usually achieved by assigning a weight to each criterion. The derivation of weights is a central step in eliciting the decision maker’s preferences. A weight can be defined as a value assigned to an evaluation criterion that indicates its importance relative to other criteria under consideration. The larger the weight, the more important is the criterion in the overall utility. The weights are usually normalized to sum to 1.

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