主成分分析在数学建模中的应用

The Application of Principal Component Analysis in Mathematical Modeling

本文利用主成分分析对我院近年来在全国大学生数学建模竞赛中取得好成绩的参赛队员的平时学习成绩进行了分析,找到了几个关键的综合指标,并以此建立了一种加权逐步判别规则,为今后选拔参赛队员提供了一种定量方法.

The scores obtained by the team m ates ofour college w ho have m ade rem arkable achievem ent in the w hole country graduate students m athem aticalm odeling com petition recently, are analyzed by m eansof principalcom ponentanalysis. Som e criticalsynthesize indexes are obtained and a stepw ise discrim ination rule is established. Finally w e propose a fixed quantitative m ethods to selectthe team m ates in the future.