Nothing
weights.rma.uni <- function(object, type="diagonal", ...) {
mstyle <- .get.mstyle()
.chkclass(class(object), must="rma.uni", notav=c("rma.gen", "rma.uni.selmodel"))
na.act <- getOption("na.action")
if (!is.element(na.act, c("na.omit", "na.exclude", "na.fail", "na.pass")))
stop(mstyle$stop("Unknown 'na.action' specified under options()."))
type <- match.arg(type, c("diagonal", "matrix"))
x <- object
#########################################################################
if (x$weighted) {
if (is.null(x$weights)) {
W <- diag(1/(x$vi + x$tau2), nrow=x$k, ncol=x$k)
} else {
W <- diag(x$weights, nrow=x$k, ncol=x$k)
}
} else {
W <- diag(1/x$k, nrow=x$k, ncol=x$k)
}
#########################################################################
if (type == "diagonal") {
wi <- as.vector(diag(W))
weight <- rep(NA_real_, x$k.f)
weight[x$not.na] <- wi / sum(wi) * 100
names(weight) <- x$slab
if (na.act == "na.omit")
weight <- weight[x$not.na]
if (na.act == "na.fail" && any(!x$not.na))
stop(mstyle$stop("Missing values in weights."))
return(weight)
}
if (type == "matrix") {
Wfull <- matrix(NA_real_, nrow=x$k.f, ncol=x$k.f)
Wfull[x$not.na, x$not.na] <- W
rownames(Wfull) <- x$slab
colnames(Wfull) <- x$slab
if (na.act == "na.omit")
Wfull <- Wfull[x$not.na, x$not.na, drop=FALSE]
if (na.act == "na.fail" && any(!x$not.na))
stop(mstyle$stop("Missing values in results."))
return(Wfull)
}
}
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