Displaying 1 result from an estimated 1 matches for "tp4635155".
2012 Jul 02
3
residuals from lm
...Y <- as.matrix(mtcars[,1])
X <- as.matrix(mtcars[,c(2:11)])
# shouldnt this:
H <- X %*% solve(t(X) %*% X) %*% t(X)
(diag(dim(H)[1]) - H) %*% Y
# be equal to this:
residuals(lm(Y~X))
# ???
# thanks
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