| 主成分分析数据处理方法探讨 |
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| 引用本文： | 贾明辉,HUA Zhi-qiang.主成分分析数据处理方法探讨[J].内蒙古民族大学学报(自然科学版),2008,23(4):379-381. |
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| 作者姓名： | 贾明辉 HUA Zhi-qiang |
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| 作者单位： | 内蒙古民族大学,数学与计算机科学学院,内蒙古,通辽,028043 |
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| 摘 要： | 本文针对传统主成分分析的不足，分析了做主成分分析前对数据进行预处理的必要性，并对数据的预处理方法进行了探究，提出了“初始化”方法实现无量纲化处理数据的目的．最后结合具体实例证实了改进方法的优越性．
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| 关 键 词： | 主成分分析 中心标准化 初始化 对数中心化 |
The Discussion on Improved Methods of the Principal Component Analysis |
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| JIA Ming-hui,HUA Zhi-qiang.The Discussion on Improved Methods of the Principal Component Analysis[J].Journal of Inner Mongolia University for the Nationalities(Natural Sciences),2008,23(4):379-381. |
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| Authors: | JIA Ming-hui HUA Zhi-qiang |
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| Affiliation: | (College of MaStics and Computer Science, Inner Mongolia University for Nationalities, Tongliao 028043,China) |
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| Abstract: | Against weaknesses of traditional principal component analysis method, this paper analyses the necessity of processing the data in advance. Then we discusse the process methods and of-fersome improved methods. At last it gives an example to prove the superiority of improved methods. |
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| Keywords: | Principal component analysis Centralized criterion Initialization Centralized logarithm |
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