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Answers for “为什么视频说熵方法不需要像层次分析法(AHP)那样的成对比较意见?”

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Entropy weight describes how much different alternatives approach one another with respect to a certain criterion. It is a data-driven measure that determines the objective importance of a criterion based on the variability of the data.

Conditions: Applied in multi-criteria decision making contexts.; Weights are derived from the data pattern itself rather than subjective judgments.

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The degree of diversification, denoted as djd_j, is defined as 1−ej1 - e_j. It represents the amount of useful information or distinguishing power provided by a specific criterion among the alternatives.

Conditions: The entropy value eje_j has already been calculated for the criterion.; The degree of diversification is always a positive real number in this context.