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

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');