Nothing
gefp_semtree <- function (..., fit = NULL, scores, vcov = NULL,
decorrelate = TRUE, sandwich = TRUE, order.by = NULL,
fitArgs = NULL, parm = NULL, data = list()) {
vcov. <- vcov
fm <- list(...)
fm <- fm[[1]]
n <- NROW(scores)
k <- NCOL(scores)
z <- order.by
order.name <- deparse(substitute(order.by))
if (is.factor(z))
z <- as.numeric(z)
scores <- as.matrix(scores)
if (inherits(z, "POSIXt"))
z <- suppressWarnings(c(z[1] + as.numeric(difftime(z[1],
z[2], units = "secs")), z))
else z <- suppressWarnings(c(z[1] - as.numeric(diff(z[1:2])),
z))
process <- scores/sqrt(n)
if (is.null(vcov.)) {
J <- crossprod(process)
J12 <- strucchange::root.matrix(J)
}
else {
if (sandwich) {
Q <- chol2inv(chol(bread(fm)/n))
J <- (Q %*% vcov.(fm, order.by = order.by, data = data) %*%
Q)/n
J12 <- strucchange::root.matrix(J)
}
else {
J12 <- vcov.
}
}
process <- rbind(0, process)
process <- apply(process, 2, cumsum)
if (decorrelate)
process <- t(chol2inv(chol(J12)) %*% t(process))
else {
process <- t(1/sqrt(diag(J)) * t(process))
if (length(parm) > 1)
stop("limiting process is not a Brownian bridge")
}
colnames(process) <- colnames(scores)
if (!is.null(parm))
process <- process[, parm]
retval <- list(process = suppressWarnings(zoo::zoo(process, z)),
nreg = k, nobs = n, call = match.call(), fit = fit, scores = scores,
fitted.model = fm, par = NULL, lim.process = "Brownian bridge",
type.name = "M-fluctuation test", order.name = order.name,
J12 = J12)
class(retval) <- "gefp"
return(retval)
}
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