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#' @title Survival Measure
#'
#' @description
#' This measure specializes [Measure][mlr3::Measure] for survival problems.
#'
#' * `task_type` is set to `"surv"`.
#' * Possible values for `predict_type` are `"distr"`, `"lp"`, `"crank"`, and `"response"`.
#'
#' Predefined measures can be found in the [dictionary][mlr3misc::Dictionary] [mlr3::mlr_measures].
#'
#' @template param_id
#' @template param_param_set
#' @template param_range
#' @template param_minimize
#' @template param_average
#' @template param_aggregator
#' @template param_predict_type
#' @template param_measure_properties
#' @template param_predict_sets
#' @template param_task_properties
#' @template param_packages
#' @template param_label
#' @template param_man
#' @template param_se
#'
#' @family Measure
#' @seealso
#' Default survival measures: [`surv.cindex`][mlr_measures_surv.cindex]
#' @export
MeasureSurv = R6Class("MeasureSurv",
inherit = Measure, cloneable = FALSE,
public = list(
#' @description
#' Creates a new instance of this [R6][R6::R6Class] class.
initialize = function(id, param_set = ps(), range, minimize = NA, aggregator = NULL,
properties = character(), predict_type = "distr", task_properties = character(),
packages = character(), label = NA_character_, man = NA_character_, se = FALSE) {
super$initialize(id,
task_type = "surv", param_set = param_set, range = range, minimize = minimize,
aggregator = aggregator, properties = properties, predict_type = predict_type,
task_properties = task_properties, packages = c("mlr3proba", packages), man = man)
},
#' @description
#' Printer.
print = function() {
super$print()
catf(str_indent("* Return type:", ifelse(is.null(private$.se), "Score",
ifelse(private$.se, "Standard Error", "Score"))))
}
)
)
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