基于主成分分析的考试成绩与能力相关性研究

Research on Correlation between Test Score and Ability Based on Principal Component Analysis

考试是一种重要的、常用的教育测量手段,在高校中被广泛使用。如何合理的看待学生考试成绩与能力的关系,是帮助学生了解自己不足,明确努力方向的关键,也是学生就业方向选择和创业的判别依据。通过主成分分析的方法对大量考试数据进行数据挖掘,找出评价的综合指标,保留原始变量的主要信息,使我们在评价学生的能力时能够抓住主要方面。

Examination is an important and commonly used measure of education and is widely used in colleges and universities.How to reasonably treat the relationship between students’test scores and abilities is the key to help students understand their own shortcomings and make clear the direction of their efforts.It is also the basis for the selection of students’employment orientation and entrepreneurial basis.Through the method of principal component analysis,data mining is performed on a large number of test data to find comprehensive indicators for evaluation,and the main information of the original variables is preserved,so that we can grasp the main aspects when evaluating students’abilities.