Nothing
.onAttach <- function (libname, pkgname) {
msg <-
paste0("Loading 'netmeta' package (version ",
packageDescription("netmeta")$Version,
").",
"\nType 'help(\"netmeta-package\")' for a brief overview.")
packageStartupMessage(msg)
}
.onLoad <- function(libname, pkgname) {
#
# Default settings for R package netmeta
#
argslist <- c("baseline.reference", "small.values",
"all.treatments", "seq",
"method.tau.netmeta",
"drop.reference.group", "equal.size",
"show",
#
"nsim", "lump.comparator",
#
"plastic", "col.netgraph",
"number.of.studies", "thickness",
"multiarm",
#
"tol.multiarm", "tol.multiarm.se",
"details.chkmultiarm",
#
"na.unident",
"sep.trts", "sep.comps", "sep.ia",
"nchar.trts", "nchar.studlab",
#
"sort.distance",
#
"legend")
#
suppressWarnings(
settings.meta(baseline.reference = TRUE, small.values = "desirable",
all.treatments = NULL, seq = NULL,
method.tau.netmeta = "DL",
drop.reference.group = TRUE, equal.size = TRUE,
show = "both",
#
nsim = 1000, lump.comparator = FALSE,
#
plastic = FALSE, col.netgraph = NULL,
number.of.studies = TRUE, thickness = "number.of.studies",
multiarm = FALSE,
#
tol.multiarm = 0.001, tol.multiarm.se = NULL,
details.chkmultiarm = FALSE,
#
na.unident = TRUE,
sep.trts = ":", sep.comps = "+", sep.ia = "*",
nchar.trts = 666, nchar.studlab = 666,
#
sort.distance = TRUE,
#
legend = TRUE,
#
.argslist.netmeta = argslist))
}
calcV <- function(x, sm) {
p2 <- (x$event2[1] + x$incr[1]) / (x$n2[1] + 2 * x$incr[1])
n2 <- x$n2[1] + 2 * x$incr[1]
##
if (sm == "OR")
V <- matrix(1 / (x$event2[1] + x$incr[1]) +
1 / (x$n2[1] - x$event2[1] + x$incr[1]),
nrow = nrow(x), ncol = nrow(x))
else if (sm == "RR")
V <- matrix((1 - p2) / (n2 * p2),
nrow = nrow(x), ncol = nrow(x))
else if (sm == "RD")
V <- matrix(p2 * (1 - p2) / n2,
nrow = nrow(x), ncol = nrow(x))
else if (sm == "ASD")
V <- matrix(0.25 / x$n2[1],
nrow = nrow(x), ncol = nrow(x))
else if (sm == "MD")
V <- matrix(x$sd2[1]^2 / x$n2[1],
nrow = nrow(x), ncol = nrow(x))
else if (sm == "IRR")
V <- matrix(1 / (x$event2[1] + x$incr[1]),
nrow = nrow(x), ncol = nrow(x))
else if (sm == "IRD")
V <- matrix((x$event2[1] + x$incr[1]) / x$time2[1]^2,
nrow = nrow(x), ncol = nrow(x))
else if (sm == "IRSD")
V <- matrix(0.25 / x$time2[1],
nrow = nrow(x), ncol = nrow(x))
##
diag(V) <- x$seTE^2
##
V
}
##
## Abbreviated component labels
##
compos <- function(x, lev, abbr, split, add) {
x.list <- compsplit(x, split = split)
if (!missing(add))
add <- ifelse(add, " ", "")
else
add <- ifelse(attr(x.list, "withspace"), " ", "")
##
x.list <- lapply(x.list, charfac, levels = lev, labels = abbr)
x.list <- lapply(x.list, paste, collapse = paste0(add, split, add))
##
unlist(x.list)
}
charfac <- function(x, ...)
as.character(factor(x, ...))
legendabbr <- function(full, abbr, condition,
text = "Treatment name",
header = "\nLegend:\n") {
diff <- full != abbr
if (condition) {
if (any(diff)) {
tmat <- data.frame(abbr, full)
names(tmat) <- c("Abbreviation", text)
tmat <- tmat[diff, ]
tmat <- tmat[order(tmat$Abbreviation), ]
##
cat(header)
##
prmatrix(unique(tmat), quote = FALSE, right = TRUE,
rowlab = rep("", nrow(unique(tmat))))
}
}
invisible(condition & any(diff))
}
setsv <- function(x, add = NULL) {
if (is.null(x))
res <- "desirable"
else {
res <- setchar(x, c("good", "bad"), stop.at.error = FALSE)
##
if (!is.null(res))
res <- switch(res, good = "desirable", bad = "undesirable")
else
res <- x
}
##
setchar(res, c("desirable", "undesirable", add))
}
first <- function(x) x[1]
second <- function(x) x[2]
# For forest plots
#
setHet <- function(meta, netmeta) {
#
meta$method.tau <- netmeta$method.tau
meta$tau2 <- netmeta$tau2
meta$se.tau2 <- NA
meta$lower.tau2 <- NA
meta$upper.tau2 <- NA
#
meta$tau <- netmeta$tau
meta$lower.tau <- NA
meta$upper.tau <- NA
#
meta$method.tau.ci <- ""
meta$sign.lower.tau <- ""
meta$sign.upper.tau <- ""
#
meta$Q <- netmeta$Q
meta$df.Q <- netmeta$df.Q
meta$pval.Q <- netmeta$pval.Q
#
meta$method.I2 <- "Q"
meta$I2 <- netmeta$I2
meta$lower.I2 <- netmeta$.lower.I2
meta$upper.I2 <- netmeta$.upper.I2
#
meta$H <- netmeta$H
meta$lower.H <- netmeta$.lower.H
meta$upper.H <- netmeta$.upper.H
#
meta$tau2.resid <- NA
meta$se.tau2.resid <- NA
meta$lower.tau2.resid <- NA
meta$upper.tau2.resid <- NA
#
meta$tau.resid <- NA
meta$lower.tau.resid <- NA
meta$upper.tau.resid <- NA
#
meta$Q.resid <- netmeta$Q.resid
meta$df.Q.resid <- netmeta$df.Q.resid
meta$pval.Q.resid <- netmeta$pval.Q.resid
#
meta$H.resid <- netmeta$H.resid
meta$lower.H.resid <- netmeta$.lower.H.resid
meta$upper.H.resid <- netmeta$.upper.H.resid
#
meta$I2.resid <- netmeta$I2.resid
meta$lower.I2.resid <- netmeta$.lower.I2.resid
meta$upper.I2.resid <- netmeta$.upper.I2.resid
#
meta
}
is_identical <- function(x) {
duplicated(as.data.frame(t(x))) |
duplicated(as.data.frame(t(x)), fromLast = TRUE)
}
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