mlr_task_generators_circle: Circle Classification Task Generator

mlr_task_generators_circleR Documentation

Circle Classification Task Generator

Description

A TaskGenerator for the circle binary classification task in mlbench::mlbench.circle(). Creates a large circle containing a smaller circle.

Dictionary

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

mlr_task_generators$get("circle")
tgen("circle")

Parameters

Id Type Default Range
d integer 2 [2, \infty)

Super class

mlr3::TaskGenerator -> TaskGeneratorCircle

Methods

Public methods

Inherited methods

Method new()

Creates a new instance of this R6 class.

Usage
TaskGeneratorCircle$new()

Method plot()

Creates a simple plot of generated data.

Usage
TaskGeneratorCircle$plot(n = 200L, pch = 19L, ...)
Arguments
n

(integer(1))
Number of samples to draw for the plot. Default is 200.

pch

(integer(1))
Point char. Passed to plot().

...

(any)
Additional arguments passed to plot().


Method clone()

The objects of this class are cloneable with this method.

Usage
TaskGeneratorCircle$clone(deep = FALSE)
Arguments
deep

Whether to make a deep clone.

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_2dnormals, mlr_task_generators_cassini, mlr_task_generators_friedman1, mlr_task_generators_moons, mlr_task_generators_simplex, mlr_task_generators_smiley, mlr_task_generators_spirals, mlr_task_generators_xor, mlr_task_generators

Examples

generator = tgen("circle")
plot(generator, n = 200)

task = generator$generate(200)
str(task$data())

mlr3 documentation built on Nov. 17, 2023, 5:07 p.m.