Nothing
qnormal.toureg <- function (object, nsim = 20, level = 0.95, envelope = FALSE)
{
#y <- model.response(model.frame(object))
terms <- delete.response(terms(object))
x <- model.matrix(terms, data=object$data)
n <- NROW(x)
alpha <- (1 - level)/2
lamhat <- fitted(object)
dhat <- object$delta
h <- gleverage(object)
res <- residuals(object)/sqrt(1-h)
if(!envelope){
return( matrix(sort(res)) )
}else{
bhat <- coef(object)
e <- matrix(0, n, nsim)
e1 <- numeric(n)
e2 <- numeric(n)
Y <- matrix(
as.numeric( rtouch(n*nsim, lambda=lamhat, delta=dhat) ),
nrow = n ) # cada coluna eh uma amostra de tamanho n
res.sim <- function(y){
suppressWarnings(
foo <- toureg.fit(as.matrix(x), y, start.beta=bhat, start.delta=dhat)
)
S <- diag(foo$var)
k <- length(foo$coefficients)
V <- foo$vcov[1:k,1:k]
.h <- diag( S %*% x %*% V %*% t(x) ) # hatvalues
l0 <- foo$fitted.values
d0 <- foo$delta
c <- cov_yw(l0, d0)
d <- 1 / (1+y)
S <- diag(foo$var)
A <- cbind(S%*%x, c)
B <- t(cbind(x,d))
invF <- foo$vcov
.h <- diag( A %*% invF %*% B ) # gleverage
sort(
residuals(foo)/sqrt(1-.h)
)
}
e <- apply(Y, 2, res.sim) # cada coluna eh um vetor de n residuos
e1 <- apply(e, 1, function(u) quantile(u,alpha))
e2 <- apply(e, 1, function(u) quantile(u,1-alpha))
e0 <- apply(e, 1, median)
return( cbind(sort(res), e0, e1, e2) )
}
}
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