在Matlab中，用PCA程序提取两个统计量：T2和Q从而应用在机械故障的预测中，我个人觉得还可以，希望大家指正。-In Matlab, with the PCA program to extract the two statistics: T2 and Q and thus used in the prediction of mechanical failure, I personally felt that I can and hope that we corrected.

使用matlab计算pca中的T2统计量和Q统计量(Calculate T2 statistic and Q statistic in pca using matlab)