FRONT TEXT:
A son asks, “Dad, can you help us with our math homework?
Dad said, “Sure!”
3 Hours later…
Dad said, “So, then, you just calculate the eigenvectors of the covariance matrix and these will serve as an orthonormal basis for a completely decorreclated sample set! It’s so brilliant, yet so simple. Am I right, kids or am I right?
INSIDE TEXT:
Well, it’s the effort that counts. Happy Father’s Day
The card is available here.