Nothing
olsHALL.b <- function(y, x)
{
n <- length(x)
x <- cbind(1, y[-n], x[-n])
y <- y[-1] # matrix(y[-1])
p <- ncol(x)
ny <- NCOL(y)
tol <- 1e-07
n <- nrow(x)
#z <- .Fortran("dqrls", qr = x, n = n, p = p, y = y, ny = ny,
# tol = as.double(tol), coefficients = mat.or.vec(p, ny),
# residuals = y, effects = y, rank = integer(1), pivot = 1:p,
# qraux = double(p), work = double(2 * p), PACKAGE = "base")
z <- lm.fit(x, y)
z$coefficients
}
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