covariance

/koh-vair-ee-uhns/US // koʊˈvɛər i əns //UK // (kəʊˈvɛərɪəns) //

协方差,共变性,协变性,协和效应

Definitions

n.名词 noun

1
Statistics.
- : the expectation or mean value of the variable formed by multiplying the differences obtained by subtracting two given variates from their respective means; the product of the standard deviations of two given variates and the coefficient of correlation between them.