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PCA

于 2010-12-29 发布 文件大小:108KB
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代码说明:

  函数作用: cwstd.m——用综合标准化法标准化矩阵 Cwfac.m——计算相关系数矩阵,计算特征向量和特征值,对主成分进行排序,计算各个特征值的贡献率,挑选主成分(贡献率达与85 ),输出主成分个数,计算主成分载荷 Cwscore.m——计算各主成分得分,综合得分并排序 Cwprint.m——读入数据文件,调用以上三个函数,并输出结果 原始数据:存储在src.txt中是一个30×8的矩阵 敲入命令: (PCA)

文件列表:

PCA程序1
........\cwfac.m,913,2010-07-02
........\cwprint.m,270,2010-07-02
........\cwscore.m,255,2010-07-02
........\cwstd.m,233,2010-07-02
........\pca实例1文档说明.doc,142336,2010-07-03
........\src.txt,2460,2010-07-02

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