covariances

/K OW0 V EH1 R IY0 AH0 N S IH0 Z/

noun

1
A statistical measure defined as \scriptstyle\operatorname{Cov}(X, Y) = \operatorname{E}((X - \mu) (Y - \nu)) given two real-valued random variables X and Y, with expected values \scriptstyle E(X)\,=\,\mu and \scriptstyle E(Y)\,=\,\nu.
2
The conversion of data types from wider to narrower in certain situations.

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