What's the difference between
and
Enter two words to compare and contrast their definitions, origins, and synonyms to better understand how those words are related.

Covariance vs Covary - What's the difference?

covariance | covary | Related terms |

Covariance is a related term of covary.


In statistics|lang=en terms the difference between covariance and covary

is that covariance is (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 while covary is (statistics) to vary together with another variable, particularly in a way that may be predictive.

As a noun covariance

is (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.

As a verb covary is

(statistics) to vary together with another variable, particularly in a way that may be predictive.

covariance

English

(wikipedia covariance)

Noun

(en noun)
  • (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.
  • (computing, programming) The conversion of data types from wider to narrower in certain situations.

    • See also

    * contravariance

    Derived terms

    * covariance matrix

    covary

    English

    Verb

  • (statistics) To vary together with another variable, particularly in a way that may be predictive
  • *{{quote-journal, 2007, date=July 18, Thomas Sattig, Identity in 4D, Philosophical Studies, url=, doi=10.1007/s11098-007-9136-6, volume=140, issue=2, pages=
    • , passage=More specifically, to say that there is an informative criterion of diachronic identity is to say that facts of diachronic identity covary with facts about continuants’ instantaneous qualitative profiles

    Related terms

    * covariance * covariate