功效函数又称之为势函数,是概率论和数理统计学的一个名词,是为了在假设检验中分析两类错误的概率而引入的概念。
...0和1之间(i=1,2,"´n),当要素的目标最满意时,ECi的值取1,最差时取0,这种描述ECi的关系式称为功效函数(Efficacy Function),用Xi表示。
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Then, an evaluating index system is established for urban land intensively utilizing within the research area. Consequently, we applied information entropy method for determining the weight and quantized urban land intensively utilizing level by using efficacy function.
然后采用信息熵的方法确定权重,利用功效函数来量化城市土地的集约利用水平。
参考来源 - 长三角地区城市土地利用集约度比较研究·2,447,543篇论文数据,部分数据来源于NoteExpress
结果:所得两种统计量与其功效函数一一匹配。
Results: the two statistics are matched with their power functions respectively.
目的:探讨功效函数法在药物透皮吸收研究中的应用。
OBJECTIVE:To discuss the application of effect function method in the study of transdermal absorption of drugs.
借助于折衷型激励功效函数将单项污染物分指数加权为综合指数。
The comprehensive index of environmental air quality assessment can be calculated in the aid of the compromise active function weighting for each index .
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