Two methods for multicriteria hierarchization of discrete alternatives
نویسنده
چکیده
The former method starts by numerically estimating the adequacy and the inadequacy (with respect to the initial data) ofeach statement "the alternative i appears in on aggregate hierarchy on the j-th place* and constructs a preorder which maximizes the ratio of total sum of adequacy values by the total sum of inadequacy values for the associated hierarchy. The latter method involves usual concordances and discordances (as those in ELECTRE method) and tries to construct a preorder relation on the alternatives set by choosing a set of pairs of alternatives which again maximizes the ratio of total sum of concordances by the total sum of discordances. For both methods there are optimal algorithms.
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