ELECTRE methodology and automation of alternative ranking

The authors consider the stages of applying the ELECTRE methodology: multi-criteria ranking of alternatives to. This approach assumes taking into account the values of the features characterizing the evaluated alternatives and the significance levels of these features. Based on these expert assessments, the indices of agreement and disagreement are calculated. Their values determine the validity of the assumption of the superiority of alternatives over each other. The implementation of strictly defined stages of the methodology makes it possible to identify the order of dominance of alternatives and rank them in accordance with the priorities of the decision-maker. The algorithms of ELECTRE family offers a deterministic approach to decision-making, in which methods and models are considered as practical means of tactical and strategic analysis of the situation. Automated decision support systems implementing these methods make it possible to document an understanding of the actual preferences of decision makers. The ELECTRE I method uses verbal statements stating binary relationships between alternative strategies. Binary relations are expressed by the indices of agreement and disagreement. The results obtained indicate effectiveness of the methodology under study.

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