The use of principal component analysis Matlab programming, Cwstd.m standardization by the sum of the standardized method to calculate the correlation coefficient matrix Cwfac.m matrix computing eigenvalues ​ ​ and eigenvectors sort of the main components calculate the eigenvalues ​ ​ of the contribution rate selection Principal component (cumulative contribution rate is greater than 85 ), the number of output main component calculating the principal component load Cwscore.m calculate the principal component scores, total score and sort Cwprint.m reads data files calls for more than three function and outputs the result

主成分分析实例演示源代码加文档描述\cwfac.m
..................................\cwprint.m
..................................\cwscore.m
..................................\cwstd.m
..................................\主成分分析法matlab实现---实例演示.DOC
主成分分析实例演示源代码加文档描述

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