covariance

EnglishEdit

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Wikipedia

NounEdit

covariance (plural covariances)

  1. (statistics) 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. (computing, programming) The conversion of data types from wider to narrower in certain situations.

See alsoEdit

Derived termsEdit

  • covariance matrix

TranslationsEdit


FrenchEdit

NounEdit

covariance f (plural covariances)

  1. covariance
Last modified on 8 October 2013, at 16:24