R 공분산 cov()

1 개요

R 공분산 cov()

• "Covariance"

x <- c(9, 10, 8, 5, 8)
y <- c(8, 10, 9, 4, 6)
cov(x,y) ## [1] 4

x <- c(1, 1, 1, 2, 2, 2)
y <- c(1, 2, 3, 1, 2, 3)
cov(x,y) ## [1] 0

x <- c(1, 2, 2, 3, 4, 5, 6, 8, 9, 10)
y <- c(2, 3, 2, 5, 5, 7, 5, 6, 7, 8)
cov(x,y) ## [1] 5.888889

2 같이 보기

• R sd()
• R var()
• R cor()
• R cov.wt()
• R cov2cor()
• R 상관계수
• 공분산
• NumPy 공분산

3 참고

• https://www.rdocumentation.org/packages/stats/versions/3.6.0/topics/cor
• http://www.sthda.com/english/wiki/correlation-test-between-two-variables-in-r