1 | lta.sub(X, theta, h)
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X |
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theta |
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h |
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 | ##---- Should be DIRECTLY executable !! ----
##-- ==> Define data, use random,
##-- or do help(data=index) for the standard data sets.
## The function is currently defined as
function (X, theta, h)
{
np <- ncol(X)
p <- np - 1
x <- X[, 1:p]
y <- X[, np]
temp <- t(t(x) * theta[2:np])
yhat <- apply(temp, 1, sum) + theta[1]
res <- abs(y - yhat)
res <- sort(res)
val <- sum(res[1:h])
val
}
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