R/HyperparameterS4RandomSearch.R

In familiar: End-to-End Automated Machine Learning and Model Evaluation

#' @include FamiliarS4Generics.R
#' @include FamiliarS4Classes.R

setClass("familiarHyperparameterRandomSearch",
  contains = "familiarHyperparameterLearner"
)



# initialize -------------------------------------------------------------------
setMethod(
  "initialize",
  signature(.Object = "familiarHyperparameterRandomSearch"),
  function(.Object, ...) {
    # Update with parent class first.
    .Object <- callNextMethod()

    # Set name
    .Object@name <- "Random search"

    return(.Object)
  }
)



.get_available_random_search_hyperparameter_learners <- function() {
  return(c("random", "random_search"))
}



# model_is_trained -------------------------------------------------------------
setMethod(
  "model_is_trained",
  signature(object = "familiarHyperparameterRandomSearch"),
  function(object) {
    # Override default model_is_trained since random search is technically not a
    # model at all.
    return(TRUE)
  }
)