摘要
高职学生成绩的合理评价对职业教育的发展具有重要指导意义。本文介绍了主成分分析及聚类分析的基本思想原理、步骤,以及应用过程中需要注意的问题。基于主成分分析对学生成绩建立综合评价方法,构造一个综合评价函数,通过对学生综合评价函数得分的比较,对学生成绩进行排名,并依据所提取的主成分得分对学生进行聚类分析。通过实例分析,证实了主成分分析法及聚类分析在学生成绩综合评价应用中的合理性和必要性,为高职学生成绩管理提供了一种合理且操作简便的方法。
The reasonable evaluation of the achievements of higher vocational students has important guiding significance for the development of vocational education.In this paper,the ideas,procedures and application issues of principal component analysis and cluster analysis are introduced.Based on principal component analysis,a comprehensive evaluation function is constructed.By comparing the scores of students'comprehensive evaluation function,students'scores are ranked,and cluster analysis is carried out on students according to the extracted principal component scores.The rationality and necessity of principal component analysis and cluster analysis in the application of comprehensive evaluation of student achievements are confirmed by the case analysis.It provides a reasonable and simple method for the management of student achievements in higher vocational education.
作者
任东海
Ren Donghai(Computer Engineering college,Henan Institute of Economic and Trade,Zhengzhou,Henan 450000,China)
出处
《计算机时代》
2023年第11期64-67,70,共5页
Computer Era
关键词
主成分分析
聚类分析
学生成绩
综合评价
principal component analysis
cluster analysis
student achievements
comprehensive evaluation
