[R] mahalanobis distance

[ekinakoglu]

Thank you for your help...

I try other data from my sampling but the determinant is very close to zero.
I also tried to generate random numbers using MATLAB and then calculate
S=var(x) to no avail. Could you please help me with a pseudo matrix of 4x4
that is gonna work with mahalanobis?

Thanks.. 
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