1. Apr 22, 2009 #1

   Shaddyab

   

   What is the difference between Auto-correlation and auto-variance?
   The same for cross-correlation and cross-variance?

    

   Shaddyab, Apr 22, 2009
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3. Apr 22, 2009 #2

   mathman

   

   Science Advisor

   The essential difference in both cases is a matter of normalization. The correlations are obtained from the cross- or co- variances by dividing by the square root of the product of the variances of the individual variables being correlated. As a result the correlations are limited in magnitude to be between 0 and 1.

    

   mathman, Apr 22, 2009

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