mlr_tasks_iris {mlr3}

Iris Classification Task

Description

A classification task for the popular datasets::iris data set.

Format

R6::R6Class inheriting from TaskClassif.

Dictionary

This Task can be instantiated via the dictionary mlr_tasks or with the associated sugar function tsk():

mlr_tasks$get("iris")
tsk("iris")

Meta Information

• Task type: “classif”

• Dimensions: 150x5

• Properties: “multiclass”

• Has Missings: FALSE

• Target: “Species”

• Features: “Petal.Length”, “Petal.Width”, “Sepal.Length”, “Sepal.Width”

Source

https://en.wikipedia.org/wiki/Iris_flower_data_set

Anderson E (1936). “The Species Problem in Iris.” Annals of the Missouri Botanical Garden, 23(3), 457. doi:10.2307/2394164.

See Also

• Chapter in the mlr3book: https://mlr3book.mlr-org.com/chapters/chapter2/data_and_basic_modeling.html

• Package mlr3data for more toy tasks.

• Package mlr3oml for downloading tasks from https://www.openml.org.

• Package mlr3viz for some generic visualizations.

• Dictionary of Tasks: mlr_tasks

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

• mlr3fselect and mlr3filters for feature selection and feature filtering.

• Extension packages for additional task types:

  • Unsupervised clustering: mlr3cluster

  • Probabilistic supervised regression and survival analysis: https://mlr3proba.mlr-org.com/.

Other Task: Task, TaskClassif, TaskRegr, TaskSupervised, TaskUnsupervised, mlr_tasks, mlr_tasks_boston_housing, mlr_tasks_breast_cancer, mlr_tasks_german_credit, mlr_tasks_mtcars, mlr_tasks_penguins, mlr_tasks_pima, mlr_tasks_sonar, mlr_tasks_spam, mlr_tasks_wine, mlr_tasks_zoo