covariance (redirected from covariance method)

co·var·i·ance  (k-vâr-ns)

n.

A statistical measure of the variance of two random variables that are observed or measured in the same mean time period. This measure is equal to the product of the deviations of corresponding values of the two variables from their respective means.

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covariance [kəʊˈvɛərɪəns]

n

(Mathematics & Measurements / Statistics) Statistics a measure of the association between two random variables, equal to the expected value of the product of the deviations from the mean of the two variables, and estimated by the sum of products of deviations from the sample mean for associated values of the two variables, divided by the number of sample points. Written as Cov (X, Y)

Thesaurus

Noun

1.

covariance - (statistics) the mean value of the product of the deviations of two variates from their respective means statistics - a branch of applied mathematics concerned with the collection and interpretation of quantitative data and the use of probability theory to estimate population parameters variance - the second moment around the mean; the expected value of the square of the deviations of a random variable from its mean value