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mlr3

mlr_task_generators_moons

Moons Classification Task Generator

Description

A TaskGenerator creating two interleaving half circles ("moons") as binary classification problem.

Dictionary

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

mlr_task_generators$get("moons")
tgen("moons")

Super class

mlr3::TaskGenerator -> TaskGeneratorMoons

Methods

Public methods

Method new()

Creates a new instance of this R6 class.

Usage
TaskGeneratorMoons$new()

Method plot()

Creates a simple plot of generated data.

Usage
TaskGeneratorMoons$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
TaskGeneratorMoons$clone(deep = FALSE)
Arguments
deep

Whether to make a deep clone.

See Also

as.data.table(mlr_resamplings) for a complete table of all (also dynamically created) TaskGenerator implementations.

Examples

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

task = generator$generate(200)
str(task$data())
mlr3

Machine Learning in R - Next Generation

v0.11.0
LGPL-3
Authors
Michel Lang [cre, aut] (<https://orcid.org/0000-0001-9754-0393>), Bernd Bischl [aut] (<https://orcid.org/0000-0001-6002-6980>), Jakob Richter [aut] (<https://orcid.org/0000-0003-4481-5554>), Patrick Schratz [aut] (<https://orcid.org/0000-0003-0748-6624>), Giuseppe Casalicchio [ctb] (<https://orcid.org/0000-0001-5324-5966>), Stefan Coors [ctb] (<https://orcid.org/0000-0002-7465-2146>), Quay Au [ctb] (<https://orcid.org/0000-0002-5252-8902>), Martin Binder [aut], Marc Becker [ctb] (<https://orcid.org/0000-0002-8115-0400>)
Initial release

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