options("datatable.print.nrows" = 20)
options("datatable.print.class" = TRUE)
#-----------------------------------------------------------------------------
# Global State Vars (can be controlled globally with options(gridisl.optname = ))
#-----------------------------------------------------------------------------
gvars <- new.env(parent = emptyenv())
gvars$verbose <- TRUE # verbose mode (print all messages)
gvars$method <- "none" # Model selection method used ("cv", "holdout", "none")
gvars$opts <- list() # named list of package options that is controllable by the user (set_all_gridisl_options())
gvars$misval <- NA_integer_ # the default missing value for observations (# gvars$misval <- -.Machine$integer.max)
gvars$misXreplace <- 0L # the default replacement value for misval that appear in the design matrix
gvars$tolerr <- 10^-12 # tolerance error: assume for abs(a-b) < gvars$tolerr => a = b
gvars$sVartypes <- list(bin = "binary", cat = "categor", cont = "contin")
gvars$noCENScat <- 0L # the reference category that designates continuation of follow-up
allowed.fit.package <- c("speedglm", "glm", "h2o", "xgboost", "brokenstick", "face")
allowed.fit.algorithm = c("glm", "gbm", "randomForest", "drf", "deeplearning", "grid", "resid_grid")
allowed.bin.method = c("equal.mass", "equal.len", "dhist")
#' Querying/setting a single \code{gridisl} option
#'
#' To list all \code{gridisl} options, just run this function without any parameters provided. To query only one value, pass the first parameter.
#' To set that, use the \code{value} parameter too.
#'
#'
#' @param o Option name (string).
#' @param value Value to assign (optional)
#' @export
#' @examples \dontrun{
#' gridislOptions()
#' gridislOptions('fit.package')
#' gridislOptions('fit.package', 'h2o')
#' }
gridislOptions <- function (o, value) {
res <- getOption("gridisl")
if (missing(value)) {
if (missing(o))
return(res)
if (o %in% names(res))
return(res[[o]])
print("Possible `gridisl` options:")
print(names(res))
stop(o %+% ": this options does not exist")
} else {
if (!o %in% names(res))
stop(paste("Invalid option name:", o))
if (is.null(value)) {
res[o] <- list(NULL)
}
else {
res[[o]] <- value
}
# options(gridisl = res)
do.call("set_all_gridisl_options", res)
}
}
# getopt <- function(optname) {
# return(gridislOptions(o = optname))
# # opt <- gvars$opts
# # if (!(optname %in% (names(opt)))) stop(optname %+% ": this options does not exist")
# # return(opt[[optname]])
# }
#' Print Current Option Settings for \code{gridisl}
#' @return Invisibly returns a list of \code{gridisl} options.
#' @seealso \code{\link{set_all_gridisl_options}}
#' @export
print_gridisl_opts <- function() {
print(gvars$opts)
invisible(gvars$opts)
}
#' Setting \code{gridisl} Options
#'
#' Options that control \code{gridisl} package.
#' \strong{Will reset all unspecified options (omitted arguments) to their default values}.
#' The preferred way to set options for \code{gridisl} is to use \code{\link{gridislOptions}}, which allows specifying individual options without having to reset all other options.
#' To reset all options to their defaults simply run \code{set_all_gridisl_options()} without any parameters/arguments.
#' @param fit.package Specify the default package for performing model fitting: c("speedglm", "glm", "h2o")
#' @param fit.algorithm Specify the default fitting algorithm: c("glm", "gbm", "randomForest", "SuperLearner")
#' @return Invisibly returns a list with old option settings.
#' @seealso \code{\link{gridislOptions}}, \code{\link{print_gridisl_opts}}
#' @export
set_all_gridisl_options <- function(fit.package = c("speedglm", "glm", "h2o", "xgboost", "brokenstick", "face"),
fit.algorithm = c("glm", "gbm", "randomForest", "drf", "deeplearning", "grid", "resid_grid")) {
old.opts <- gvars$opts
fit.package <- fit.package[1L]
fit.algorithm <- fit.algorithm[1L]
if (!(fit.package %in% allowed.fit.package)) stop("fit.package must be one of: " %+% paste0(allowed.fit.package, collapse=", "))
if (!(fit.algorithm %in% allowed.fit.algorithm)) stop("fit.algorithm must be one of: " %+% paste0(allowed.fit.algorithm, collapse=", "))
opts <- list(
fit.package = fit.package,
fit.algorithm = fit.algorithm
)
gvars$opts <- opts
options(gridisl = opts)
invisible(old.opts)
}
# returns a function (alternatively a call) that tests for missing values in (sA, sW)
testmisfun <- function() {
if (is.na(gvars$misval)) {
return(is.na)
} else if (is.null(gvars$misval)){
return(is.null)
} else if (is.integer(gvars$misval)) {
return(function(x) {x==gvars$misval})
} else {
return(function(x) {x%in%gvars$misval})
}
}
get.misval <- function() {
gvars$misfun <- testmisfun()
gvars$misval
}
set.misval <- function(gvars, newmisval) {
oldmisval <- gvars$misval
gvars$misval <- newmisval
gvars$misfun <- testmisfun() # EVERYTIME gvars$misval HAS CHANGED THIS NEEDS TO BE RESET/RERUN.
invisible(oldmisval)
}
gvars$misfun <- testmisfun()
# Allows gridisl functions to use e.g., getOption("gridisl.verbose") to get verbose printing status
.onLoad <- function(libname, pkgname) {
# reset all options to their defaults on load:
set_all_gridisl_options()
op <- options()
op.gridisl <- list(
gridisl.verbose = gvars$verbose,
gridisl.file.path = tempdir(),
gridisl.temp.dir = tempdir(),
# gridisl.file.name = 'gridisl-report-%T-%N-%n'
gridisl.file.name = 'gridisl-report-'%+%Sys.Date()
)
toset <- !(names(op.gridisl) %in% names(op))
if (any(toset)) options(op.gridisl[toset])
invisible()
}
# Runs when attached to search() path such as by library() or require()
.onAttach <- function(...) {
if (interactive()) {
packageStartupMessage('gridisl')
# packageStartupMessage('Version: ', utils::packageDescription('gridisl')$Version)
packageStartupMessage('Version: ', utils::packageDescription('gridisl')$Version, '\n')
packageStartupMessage('Please note this package is still in its early stages of development. Check for updates and report bugs at http://github.com/osofr/gridisl.', '\n')
# packageStartupMessage('To see the vignette use vignette("gridisl_vignette", package="gridisl"). To see all available package documentation use help(package = "gridisl") and ?gridisl.', '\n')
# packageStartupMessage('To see the latest updates for this version, use news(package = "gridisl").', '\n')
}
}
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