Nothing
profile.rma.uni.selmodel <- function(fitted, tau2, delta,
xlim, ylim, steps=20, lltol=1e-03, progbar=TRUE, parallel="no", ncpus=1, cl, plot=TRUE, pch=19, refline=TRUE, cline=FALSE, ...) {
mstyle <- .get.mstyle("crayon" %in% .packages())
.chkclass(class(fitted), must="rma.uni.selmodel")
if (steps < 2)
stop(mstyle$stop("Argument 'steps' must be >= 2."))
x <- fitted
if (x$betaspec) ### TODO: consider allowing profiling over beta values as well
stop(mstyle$stop("Cannot profile when one or more beta values were fixed."))
parallel <- match.arg(parallel, c("no", "snow", "multicore"))
if (parallel == "no" && ncpus > 1)
parallel <- "snow"
if (missing(cl))
cl <- NULL
if (!is.null(cl) && inherits(cl, "SOCKcluster")) {
parallel <- "snow"
ncpus <- length(cl)
}
if (parallel == "snow" && ncpus < 2)
parallel <- "no"
if (parallel == "snow" || parallel == "multicore") {
if (!requireNamespace("parallel", quietly=TRUE))
stop(mstyle$stop("Please install the 'parallel' package for parallel processing."))
ncpus <- as.integer(ncpus)
if (ncpus < 1L)
stop(mstyle$stop("Argument 'ncpus' must be >= 1."))
}
if (!progbar) {
pbo <- pbapply::pboptions(type="none")
on.exit(pbapply::pboptions(pbo), add=TRUE)
}
ddd <- list(...)
if (.isTRUE(ddd$time))
time.start <- proc.time()
#########################################################################
### check if user has not specified tau2 or delta argument
if (missing(tau2) && missing(delta)) {
mc <- match.call()
### total number of non-fixed components
comps <- ifelse(!is.element(x$method, c("FE","EE","CE")) && !x$tau2.fix, 1, 0) + sum(!x$delta.fix)
if (comps == 0)
stop(mstyle$stop("No components in the model for which a profile likelihood can be constructed."))
if (plot) {
if (dev.cur() == 1) {
par(mfrow=n2mfrow(comps))
#on.exit(par(mfrow=c(1,1)), add=TRUE)
}
}
sav <- list()
j <- 0
if (!is.element(x$method, c("FE","EE","CE")) && !x$tau2.fix) {
j <- j + 1
mc.vc <- mc
mc.vc$tau2 <- 1
mc.vc$time <- FALSE
#mc.vc$fitted <- quote(x)
if (progbar)
cat(mstyle$verbose(paste("Profiling tau2\n")))
sav[[j]] <- eval(mc.vc, envir=parent.frame())
}
if (any(!x$delta.fix)) {
for (pos in seq_len(x$deltas)[!x$delta.fix]) {
j <- j + 1
mc.vc <- mc
mc.vc$delta <- pos
mc.vc$time <- FALSE
#mc.vc$fitted <- quote(x)
if (progbar)
cat(mstyle$verbose(paste("Profiling delta =", pos, "\n")))
sav[[j]] <- eval(mc.vc, envir=parent.frame())
}
}
### if there is just one component, turn the list of lists into a simple list
if (comps == 1)
sav <- sav[[1]]
sav$comps <- comps
if (.isTRUE(ddd$time)) {
time.end <- proc.time()
.print.time(unname(time.end - time.start)[3])
}
class(sav) <- "profile.rma"
return(invisible(sav))
}
### check if user has specified more than one of these arguments
if (sum(!missing(tau2), !missing(delta)) > 1L)
stop(mstyle$stop("Must specify only one of the 'tau2' or 'delta' arguments."))
### check if model actually contains (at least one) such a component and that it was actually estimated
if (!missing(tau2) && (is.element(x$method, c("FE","EE","CE")) || x$tau2.fix))
stop(mstyle$stop("Model does not contain an (estimated) 'tau2' component."))
if (!missing(delta) && all(x$delta.fix))
stop(mstyle$stop("Model does not contain any estimated 'delta' components."))
### check if user specified more than one tau2 or delta component
if (!missing(tau2) && (length(tau2) > 1L))
stop(mstyle$stop("Can only specify one 'tau2' component."))
if (!missing(delta) && (length(delta) > 1L))
stop(mstyle$stop("Can only specify one 'delta' component."))
### check if user specified a logical
if (!missing(tau2) && is.logical(tau2) && isTRUE(tau2))
tau2 <- 1
if (!missing(delta) && is.logical(delta))
stop(mstyle$stop("Must specify a number for the 'delta' component."))
### check if user specified a component that does not exist
if (!missing(tau2) && (tau2 > 1 || tau2 <= 0))
stop(mstyle$stop("No such 'tau2' component in the model."))
if (!missing(delta) && (delta > x$deltas || delta <= 0))
stop(mstyle$stop("No such 'delta' component in the model."))
### check if user specified a component that was fixed
if (!missing(tau2) && x$tau2.fix)
stop(mstyle$stop("Specified 'tau2' component was fixed."))
if (!missing(delta) && x$delta.fix[delta])
stop(mstyle$stop("Specified 'delta' component was fixed."))
### if everything is good so far, get value of the variance component and set 'comp'
delta.pos <- NA_integer_
if (!missing(tau2)) {
vc <- x$tau2
comp <- "tau2"
tau2.pos <- 1
}
if (!missing(delta)) {
vc <- x$delta[delta]
comp <- "delta"
delta.pos <- delta
}
#return(list(comp=comp, vc=vc))
if (missing(xlim)) {
### if the user has not specified xlim, set it automatically
if (comp == "tau2") {
if (is.na(x$se.tau2)) {
vc.lb <- max(0, vc/4)
vc.ub <- min(max(.1, vc*4), x$tau2.max)
} else {
vc.lb <- max(0, vc - qnorm(.995) * x$se.tau2)
vc.ub <- min(max(.1, vc + qnorm(.995) * x$se.tau2), x$tau2.max)
}
}
if (comp == "delta") {
if (is.na(x$se.delta[delta])) {
vc.lb <- max(0, vc/4, x$delta.min[delta])
vc.ub <- min(max(.1, vc*4), x$delta.max[delta])
} else {
vc.lb <- max(0, vc - qnorm(.995) * x$se.delta[delta], x$delta.min[delta])
vc.ub <- min(max(.1, vc + qnorm(.995) * x$se.delta[delta]), x$delta.max[delta])
}
}
### if that fails, throw an error
if (is.na(vc.lb) || is.na(vc.ub))
stop(mstyle$stop("Cannot set 'xlim' automatically. Please set this argument manually."))
xlim <- c(vc.lb, vc.ub)
} else {
if (length(xlim) != 2L)
stop(mstyle$stop("Argument 'xlim' should be a vector of length 2."))
xlim <- sort(xlim)
if (comp == "tau2") {
if (xlim[1] < 0)
stop(mstyle$stop("Lower bound for profiling must be >= 0."))
}
if (comp == "delta") {
if (xlim[1] < x$delta.min[delta])
stop(mstyle$stop(paste0("Lower bound for profiling must be >= ", x$delta.min[delta], ".")))
if (xlim[2] > x$delta.max[delta])
stop(mstyle$stop(paste0("Upper bound for profiling must be <= ", x$delta.max[delta], ".")))
}
}
vcs <- seq(xlim[1], xlim[2], length.out=steps)
#return(vcs)
if (length(vcs) <= 1L)
stop(mstyle$stop("Cannot set 'xlim' automatically. Please set this argument manually."))
if (parallel == "no")
res <- pbapply::pblapply(vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE)
if (parallel == "multicore")
res <- pbapply::pblapply(vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE, cl=ncpus)
#res <- parallel::mclapply(vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE, mc.cores=ncpus)
if (parallel == "snow") {
if (is.null(cl)) {
cl <- parallel::makePSOCKcluster(ncpus)
on.exit(parallel::stopCluster(cl), add=TRUE)
}
if (.isTRUE(ddd$LB)) {
res <- parallel::parLapplyLB(cl, vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE)
#res <- parallel::clusterApplyLB(cl, vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE)
} else {
res <- pbapply::pblapply(vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE, cl=cl)
#res <- parallel::parLapply(cl, vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE)
#res <- parallel::clusterApply(cl, vcs, .profile.rma.uni.selmodel, obj=x, comp=comp, delta.pos=delta.pos, parallel=parallel, profile=TRUE)
}
}
lls <- sapply(res, function(x) x$ll)
beta <- do.call(rbind, lapply(res, function(x) t(x$beta)))
ci.lb <- do.call(rbind, lapply(res, function(x) t(x$ci.lb)))
ci.ub <- do.call(rbind, lapply(res, function(x) t(x$ci.ub)))
#########################################################################
if (any(lls >= logLik(x) + lltol, na.rm=TRUE))
warning(mstyle$warning("At least one profiled log-likelihood value is larger than the log-likelihood of the fitted model."), call.=FALSE)
if (all(is.na(lls)))
warning(mstyle$warning("All model fits failed. Cannot draw profile likelihood plot."), call.=FALSE)
beta <- data.frame(beta)
ci.lb <- data.frame(ci.lb)
ci.ub <- data.frame(ci.ub)
names(beta) <- rownames(x$beta)
names(ci.lb) <- rownames(x$beta)
names(ci.ub) <- rownames(x$beta)
if (missing(ylim)) {
if (any(is.finite(lls))) {
if (xlim[1] <= vc && xlim[2] >= vc) {
ylim <- range(c(logLik(x),lls[is.finite(lls)]), na.rm=TRUE)
} else {
ylim <- range(lls[is.finite(lls)])
}
} else {
ylim <- rep(logLik(x), 2L)
}
ylim <- ylim + c(-0.1, 0.1)
} else {
if (length(ylim) != 2L)
stop(mstyle$stop("Argument 'ylim' should be a vector of length 2."))
ylim <- sort(ylim)
}
if (comp == "tau2") {
xlab <- expression(paste(tau^2, " Value"))
title <- expression(paste("Profile Plot for ", tau^2))
}
if (comp == "delta") {
if (x$deltas == 1L) {
xlab <- expression(paste(delta, " Value"))
title <- expression(paste("Profile Plot for ", delta))
} else {
xlab <- bquote(delta[.(delta)] ~ "Value")
title <- bquote("Profile Plot for" ~ delta[.(delta)])
}
}
sav <- list(vc=vcs, ll=lls, beta=beta, ci.lb=ci.lb, ci.ub=ci.ub, comps=1, ylim=ylim, method=x$method, vc=vc, maxll=logLik(x), xlab=xlab, title=title)
names(sav)[1] <- switch(comp, tau2="tau2", delta="delta")
class(sav) <- "profile.rma"
#########################################################################
if (plot)
plot(sav, pch=pch, refline=refline, cline=cline, ...)
#########################################################################
if (.isTRUE(ddd$time)) {
time.end <- proc.time()
.print.time(unname(time.end - time.start)[3])
}
invisible(sav)
}
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