x1 <- runif(1000, min=1, max=100) y <- runif(1000, min=1, max=100) x2 <- y+x1 cor(x1,x2) cor(x1,y) cor(x2,y) lm1 <- lm(y~x2) coef(lm1) lm2 <- lm(y~x2+x1) coef(lm2)
Standard input is empty
[1] 0.6968696 [1] -0.02629743 [1] 0.698624 (Intercept) x2 -0.7468987 0.5012250 (Intercept) x2 x1 1.438037e-14 1.000000e+00 -1.000000e+00