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#' @title Insample Resampling
#'
#' @name mlr_resamplings_insample
#' @include Resampling.R
#'
#' @description
#' Uses all observations as training and as test set.
#'
#' @templateVar id insample
#' @template resampling
#'
#' @template seealso_resampling
#' @export
#' @examples
#' # Create a task with 10 observations
#' task = tsk("penguins")
#' task$filter(1:10)
#'
#' # Instantiate Resampling
#' insample = rsmp("insample")
#' insample$instantiate(task)
#'
#' # Train set equal to test set:
#' setequal(insample$train_set(1), insample$test_set(1))
#'
#' # Internal storage:
#' insample$instance # just row ids
ResamplingInsample = R6Class("ResamplingInsample", inherit = Resampling,
public = list(
#' @description
#' Creates a new instance of this [R6][R6::R6Class] class.
initialize = function() {
super$initialize(id = "insample",
label = "Insample Resampling", man = "mlr3::mlr_resamplings_insample")
},
#' @template field_iters
iters = 1L
),
private = list(
.sample = function(ids, ...) {
ids
},
.get_train = function(i) {
self$instance
},
.get_test = function(i) {
self$instance
},
.combine = function(instances) {
do.call(c, instances)
}
)
)
#' @include mlr_resamplings.R
mlr_resamplings$add("insample", function() ResamplingInsample$new())
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