[交流] 有大神做过主成分分析吗？有大神使用过matlab吗？

5楼: Originally posted by marineman at 2018-05-31 00:02:41
先标准化，再求，容易的

6楼: Originally posted by zhanshen1991 at 2018-05-31 01:03:51
有

10楼: Originally posted by FMStation at 2018-06-05 08:19:23
https://www.mathworks.com/help/stats/pca.html

load imports-85
coeff = pca(X(:,3:15));
coeff = pca(X(:,3:15),'Rows','pairwise');
coeff = pca(X(:,3:15),'Rows','all');