analysiszhuchengfen

代码说明：

  针对主成分分析的很实用的程序，只需要把所掌握的数据带入，就可以获得一系列的数据，包括相关矩阵、载重、主成分贡献率等。(Principal component analysis and practical program, simply put into the master data, you can get a range of data, including the correlation matrix, load, principal component contribution rate.)