Evaluation criteria specifications are prepared once the decision maker’s objectives are established, decision problems are identified. A common method of carrying out this phase is to do spatial multicriteria analysis, which focuses on selecting and formulating a set of evaluation criteria. This step involves specifying a comprehensive set of attributes that can be used to assess the attainment of the decision makers’ objectives. A measurement scale must be established for each attribute. The degree to which the objectives are met, as measured by the attributes, is the basis for comparing alternatives. A criterion could implicitly or explicitly imply a constraint.
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