摘要
对学生综合成绩进行聚类分析时,用一般的方法由于不考虑专业课和公共课的区别,会使分类不够准确合理.文章用数学的方法改进了分类定义中的距离概念,使综合成绩分类更为合理准确.
In making cluster analysis of students' comprehensive academic performance, common methods tend to reach at not quite accurate and reasonable results due to its indiscrimination of major courses and public courses. Through the adoption of mathematic methods, this paper improves the distance concept in the definition of classification, and makes the results of comprehensive performance classification more accurate.
作者
曹玲
CAO Ling (Xuzhou Institute of Technology, Xuzhou 221008, China)
出处
《徐州工程学院学报》
2007年第4期78-80,共3页
Journal of Xuzhou Istitute of Technology
关键词
加权距离
聚类分析
综合成绩
Euclid distance with weights
cluster analysis
comprehensive scores