基于属性分布信息的大规模群体评价方法及应用

The Method of Scale-Group Evaluation Based on Distribution Information of Attribute-Value and Its Application

针对大规模群体评价中如何实现群体意见的有效集结,如何体现群体共识度对评价活动的影响等问题,本文提出了一种基于属性分布信息的群体评价方法。首先,利用群体评价信息构建各属性的分布,以体现群体对属性的共识程度,并结合属性取值区间,采用分布型区间数对群体评价信息进行描述;在定义分布型区间数运算规则的基础上,提出了属性权重也为分布型区间数的加权集结算子;然后,设计了基于分布型区间综合评价值的方案排序方法;最后,利用Matlab软件,给出了应用算例,结果表明方法具有可操作性和有效性。

In the face of some problems in scale-group evaluation, such as how to aggregate the information of individual to group information effectively, how to reflect the affection of group consensus in compre- hensive evaluation, a method of group evaluation based on distribution information of attribute-value is proposed in this paper. Firstly, distribution-interval variable is used to describe group information by con- struct the distribution of every attribute, and the interval variable weighted average algorithm operator （IWAA） based on the definition of algorithms of distribution-interval variable is put forward. Secondly, design the rank method of distribution-interval variable is designed. Finally, a numerical example shows the validity for the proposed method.