Peak Regression Task Generator

A TaskGenerator for the peak task in mlbench::mlbench.peak().

Dictionary

This TaskGenerator can be instantiated via the dictionary mlr_task_generators or with the associated sugar function tgen():

mlr_task_generators$get("peak")
tgen("peak")

Parameters

Id	Type	Default	Range
d	integer	20	\([1, \infty)\)

See also

• Dictionary of TaskGenerators: mlr_task_generators

• as.data.table(mlr_task_generators) for a table of available TaskGenerators in the running session (depending on the loaded packages).

• Extension packages for additional task types:

  • mlr3proba for probabilistic supervised regression and survival analysis.

  • mlr3cluster for unsupervised clustering.

Other TaskGenerator: TaskGenerator, mlr_task_generators, mlr_task_generators_2dnormals, mlr_task_generators_cassini, mlr_task_generators_circle, mlr_task_generators_friedman1, mlr_task_generators_moons, mlr_task_generators_simplex, mlr_task_generators_smiley, mlr_task_generators_spirals, mlr_task_generators_xor

Super class

TaskGenerator -> TaskGeneratorPeak

Methods

Public methods

• TaskGeneratorPeak$new()

• TaskGeneratorPeak$clone()

Inherited methods

• TaskGenerator$format()
• TaskGenerator$generate()
• TaskGenerator$print()

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TaskGeneratorPeak$new()

Creates a new instance of this R6 class.

Usage

TaskGeneratorPeak$new()

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TaskGeneratorPeak$clone()

The objects of this class are cloneable with this method.

Usage

TaskGeneratorPeak$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

generator = tgen("peak", d = 5)
task = generator$generate(200)
str(task$data())
#> Classes ‘data.table’ and 'data.frame':	200 obs. of  6 variables:
#>  $ y : num  0.556 24.009 4.556 22.178 2.88 ...
#>  $ x1: num  0.2134 -0.06337 -1.09616 -0.00355 -1.18498 ...
#>  $ x2: num  0.77828 -0.03768 0.54845 -0.06676 0.00702 ...
#>  $ x3: num  2.183 -0.138 0.15 0.401 1.113 ...
#>  $ x4: num  0.90203 0.20605 -0.90877 -0.00189 -1.28019 ...
#>  $ x5: num  1.175 -0.118 1.027 0.272 0.197 ...
#>  - attr(*, ".internal.selfref")=<pointer: 0x556fb9879ea0>