R/getMBOInfillCrit.R

Defines functions getMBOInfillCritMultiplier getMBOInfillCritDummyComponents getMBOInfillCritComponents hasRequiresInfillCritStandardError getMBOInfillCritId getMBOInfillCritName getMBOInfillCritParam getMBOInfillCritParams

Documented in getMBOInfillCritComponents getMBOInfillCritId getMBOInfillCritName getMBOInfillCritParam getMBOInfillCritParams hasRequiresInfillCritStandardError

#' @title Get properties of MBO infill criterion.
#'
#' @description
#' Returns properties of an infill criterion, e.g., name or id.
#'
#' @param x [\code{\link{MBOInfillCrit}}]\cr
#'   Infill criterion.
#' @param par.name [\code{character(1)}]\cr
#'   Parameter name.
#' @name getMBOInfillCrit
#' @rdname getMBOInfillCrit
NULL

#' @export
#' @rdname getMBOInfillCrit
getMBOInfillCritParams = function(x) {
  assertClass(x, "MBOInfillCrit")
  return(x$params)
}

#' @export
#' @rdname getMBOInfillCrit
getMBOInfillCritParam = function(x, par.name) {
  assertClass(x, "MBOInfillCrit")
  assertString(par.name)
  return(getMBOInfillCritParams(x)[[par.name]])
}

#' @export
#' @rdname getMBOInfillCrit
getMBOInfillCritName = function(x) {
  assertClass(x, "MBOInfillCrit")
  return(x$name)
}

#' @export
#' @rdname getMBOInfillCrit
getMBOInfillCritId = function(x) {
  assertClass(x, "MBOInfillCrit")
  return(x$id)
}

#' @export
#' @rdname getMBOInfillCrit
hasRequiresInfillCritStandardError = function(x) {
  assertClass(x, "MBOInfillCrit")
  return(x$requires.se)
}

#' @export
#' @rdname getMBOInfillCrit
getMBOInfillCritComponents = function(x) {
  assertClass(x, "MBOInfillCrit")
  return(x$components)
}

getMBOInfillCritDummyComponents = function(x) {
  assertClass(x, "MBOInfillCrit")
  ns = getMBOInfillCritComponents(x)
  as.data.frame(BBmisc::namedList(ns, NA_real_))
}

getMBOInfillCritMultiplier = function(x) {
  assertClass(x, "MBOInfillCrit")
  if (x$opt.direction == "minimize")
    return(1)
  else if (x$opt.direction == "maximize")
    return(-1)
  else
    stopf("The direction of the infill criterion is '%s' but should be 'minimize' or 'maximize' at this point.", x$opt.direction)
}

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mlrMBO documentation built on Jan. 13, 2021, 7:57 a.m.