Dictionary of Resampling Strategies

Source: R/mlr_resamplings.R

A simple Dictionary storing objects of class Resampling. Each resampling has an associated help page, see mlr_resamplings_[id].

Format

R6::R6Class object.

Methods

See Dictionary.

S3 methods

• as.data.table(dict)
  Dictionary -> data.table::data.table()
  Returns a data.table() with fields "key", "hyperpars", and "iters" as columns.

See also

Example resamplings:

• cv.

• bootstrap.

Other Dictionary: Dictionary, mlr_generators, mlr_learners, mlr_measures, mlr_tasks

Other Resampling: Resampling

Examples

as.data.table(mlr_resamplings)
#>            key              hyperpars iters
#> 1:   bootstrap stratify,repeats,ratio    30
#> 2:      custom                            0
#> 3:          cv         stratify,folds    10
#> 4:         cv3         stratify,folds     3
#> 5:     holdout         stratify,ratio     1
#> 6: repeated_cv stratify,repeats,folds   100
#> 7: subsampling stratify,repeats,ratio    30
mlr_resamplings$get("cv")
#> <ResamplingCV> with 10 iterations
#> Instantiated: FALSE
#> Parameters: folds=10
#> 
#> Public: clone, duplicated_ids, format, hash, id, instance,
#>   instantiate, is_instantiated, iters, param_set, task_hash, test_set,
#>   train_set