mlr_tasks_iris function

Iris Classification Task

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

Format

R6::R6Class inheriting from TaskClassif .

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. tools:::Rd_expr_doi("10.2307/2394164") .

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

See Also

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

• Package list("mlr3data") for more toy tasks.

• Package list("mlr3oml") for downloading tasks from https://www.openml.org.

• Package list("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).

• list("mlr3fselect") and list("mlr3filters") for feature selection and feature filtering.

• Extension packages for additional task types:

  • Unsupervised clustering: list("mlr3cluster")
  • Probabilistic supervised regression and survival analysis: https://mlr3proba.mlr-org.com/.

Other Task: Task, TaskClassif, TaskRegr, TaskSupervised, TaskUnsupervised, california_housing, mlr_tasks, 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