#' @author Ivan Jacob Agaloos Pesigan
#'
#' @title Jackknife Estimates of Indirect Effect in a Simple Mediation Model for Data Generated Using the Vale and Maurelli (1983) Approach (Skewness = 2, Kurtosis = 7)
#'
#' @family jackknife functions
#' @keywords jack
#' @inheritParams fit.ols
#' @inheritParams jack
#' @inheritParams useparamsmvn
#' @examples
#' taskid <- 1
#' data <- vm_mod_dat(taskid = taskid)
#' vm_mod_std_jack(data = data, taskid = taskid)
#' @export
vm_mod_std_jack <- function(data,
taskid) {
paramsmvn <- useparamsmvn(taskid = taskid)
out <- jack(
data = data,
std = TRUE, # always TRUE for standardized coefficients
complete = TRUE, # always TRUE for complete data set
par = FALSE, # should always be FALSE since this is wrapped around a parallel par_lapply
blas_threads = FALSE # should always be FALSE since this is wrapped around a parallel par_lapply
)
attributes(out)$taskid <- paramsmvn$taskid
attributes(out)$theta <- paramsmvn$alphabeta
attributes(out)$thetahat <- fit.ols(
data = data,
minimal = TRUE,
std = TRUE # always TRUE for standardized coefficients
)
out
}
#' @author Ivan Jacob Agaloos Pesigan
#'
#' @title Jackknife Estimates of Indirect Effect in a Simple Mediation Model for Data Generated Using the Vale and Maurelli (1983) Approach (Skewness = 2, Kurtosis = 7) (Single Task)
#'
#' @family jackknife functions
#' @keywords jack
#' @inheritParams vm_mod_std_jack
#' @inheritParams mvn_fit.ols_task
#' @export
vm_mod_std_jack_task <- function(taskid,
dir = getwd(),
overwrite = FALSE) {
# for socks to load package in the namespace
requireNamespace(
"jeksterslabRmedsimple",
quietly = TRUE
)
wd <- getwd()
setwd(dir)
fndata <- paste0(
"medsimple_vm_mod_dat_",
sprintf(
"%05.0f",
taskid
),
".Rds"
)
fn <- paste0(
"medsimple_vm_mod_std_jack_",
sprintf(
"%05.0f",
taskid
),
".Rds"
)
# Check if data exists --------------------------------------------------------
if (file.exists(fndata)) {
X <- readRDS(fndata)
} else {
stop(
paste(
fndata,
"does not exist in",
dir
)
)
}
# Resolve overwrite ---------------------------------------------------------------------------
if (overwrite) {
run <- TRUE
} else {
# Check if result exists -------------------------------------------------------------
if (file.exists(fn)) {
run <- FALSE
tryCatch(
{
existing_results <- readRDS(fn)
},
error = function(e) {
run <- TRUE
}
)
} else {
run <- TRUE
}
}
if (run) {
out <- invisible(
par_lapply(
X = X,
FUN = vm_mod_std_jack,
taskid = taskid,
par = FALSE, # should always be FALSE since this is wrapped around a parallel par_lapply
blas_threads = FALSE # should always be FALSE since this is wrapped around a parallel par_lapply
)
)
saveRDS(
object = out,
file = fn
)
}
invisible(
setwd(wd)
)
}
#' @author Ivan Jacob Agaloos Pesigan
#'
#' @title Jackknife Estimates of Indirect Effect in a Simple Mediation Model for Data Generated Using the Vale and Maurelli (1983) Approach (Skewness = 2, Kurtosis = 7) (Simulation)
#'
#' @family jackknife functions
#' @keywords jack
#' @importFrom jeksterslabRpar par_lapply
#' @inheritParams vm_mod_std_jack_task
#' @inheritParams jeksterslabRpar::par_lapply
#' @inheritParams vm_mod_dat_simulation
#' @export
vm_mod_std_jack_simulation <- function(dir = getwd(),
all = TRUE,
taskid = NULL,
overwrite = FALSE,
par = TRUE,
ncores = NULL,
blas_threads = TRUE,
mc = TRUE,
lb = FALSE,
cl_eval = FALSE,
cl_export = FALSE,
cl_expr,
cl_vars) {
if (all) {
ncase <- nrow(jeksterslabRmedsimple::paramsmvn)
taskid <- 1:ncase
} else {
if (is.null(taskid)) {
stop(
"If \`all = FALSE\` \`taskid\` should be provided."
)
}
}
out <- invisible(
par_lapply(
X = taskid,
FUN = vm_mod_std_jack_task,
dir = dir,
overwrite = overwrite,
par = par,
ncores = ncores,
blas_threads = blas_threads,
mc = mc,
lb = lb,
cl_eval = cl_eval,
cl_export = cl_eval,
cl_expr = cl_expr,
cl_vars = cl_vars,
rbind = NULL
)
)
}
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