摘要
该文在文献 [1]、 [2 ]的基础上进一步讨论了主成分分析的统计思想和数学推导 。
In this paper, the statistical theory and mathematical inference of principal component analysis are discussed on the basis of literatureand . The necessity of pre processing data before principal component analysis and the method are been emphasized.
出处
《嘉兴学院学报》
2002年第3期66-68,共3页
Journal of Jiaxing University
关键词
主成分分析
综合评价
特征向量
principal component analysis
comprehensive evaluation
characteristic vector
