基于Matlab的考试数据主成分分析

Principal Component Analysis of Test Data Based on Matlab

介绍了统计分析方法中的主成分分析法,对考生考试成绩数据利用matlab软件进行了主成分分析,得出了数据的主成分和综合评价函数,并结合学生成绩进行分析,了解到了每个考生在数学学科学习上有哪些优势和不足,从而为改善学习方法和提高学习成绩方面的提供重要参考。

This paper introduces the methods ot pnnc~pai component ana~ys~s oi mutuvanate stau~uuai ana~ysl~ lncu＊uu, ainu u~,~ maflab to conduct the principal component analysis on student achievement, concluded that principal components and the com- prehensive evaluation function of the data, , and combining the students＂ test scores to analyze, in order to understand the advan- tages and disadvantages of each of the students in the subject, as an important reference to improve the learning methods and en- hance academic performance indicators.