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

mlr3::TaskGenerator -> TaskGeneratorPeak

Methods

Public methods

• TaskGeneratorPeak$new()

• TaskGeneratorPeak$clone()

Inherited methods

• mlr3::TaskGenerator$format()
• mlr3::TaskGenerator$generate()
• mlr3::TaskGenerator$print()

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Method new()

Creates a new instance of this R6 class.

Usage

TaskGeneratorPeak$new()

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Method 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  4.89 5.75 6.96 24.04 4.72 ...
#>  $ x1: num  -1.3536 0.2737 0.2287 -0.0232 -1.3182 ...
#>  $ x2: num  -0.8278 1.1552 -0.4408 0.0973 1.2019 ...
#>  $ x3: num  0.336 -0.717 -0.949 -0.235 0.311 ...
#>  $ x4: num  0.39346 0.7602 1.10251 0.00276 0.09836 ...
#>  $ x5: num  -0.693 0.662 0.441 -0.115 0.214 ...
#>  - attr(*, ".internal.selfref")=<externalptr>