O odumath New member Joined Sep 20, 2006 Messages 42 Oct 24, 2007 #1 I'm researching a PCA topic: "eigenvalues", "eigenvectors". One of the questions I need to address is: For a 3 dimensional date set(x, y, z) what does covariance(x, x) represent? Does anyone have some pointers for me? odumath
I'm researching a PCA topic: "eigenvalues", "eigenvectors". One of the questions I need to address is: For a 3 dimensional date set(x, y, z) what does covariance(x, x) represent? Does anyone have some pointers for me? odumath
O odumath New member Joined Sep 20, 2006 Messages 42 Oct 24, 2007 #2 Never mind... ... I figured it out
