qks1lver/pca_plot

Better PCA visualization

Make a better plot for your PCA results FAST! Have your data points labeled, so you can see them and compare more easily!
Try this:
data = rand(30,20);
[coeff,~,~,~,explained] = pca(data);
h = pca_plot(coeff,explained,num2cell(1:20),[],'.');