vif {DAAG} | R Documentation |
Variance inflation factors are computed for the standard errors of linear model coefficient estimates.
vif(obj, digits=5)
obj |
A lm object |
digits |
Number of digits |
A vector of variance inflation factors corresponding to
the coefficient estimates given in the lm
object.
J.H. Maindonald
lm
litters.lm <- lm(brainwt ~ bodywt + lsize, data = litters) vif(litters.lm) carprice1.lm <- lm(gpm100 ~ Type+Min.Price+Price+Max.Price+Range.Price, data=carprice) vif(carprice1.lm) carprice.lm <- lm(gpm100 ~ Type + Price, data = carprice) vif(carprice1.lm)