mlr_tasks_mtcars {mlr3}

Motor Trend Regression Task

Description

A regression task for the datasets::mtcars data set. Target variable is mpg (Miles/(US) gallon). Rownames are stored as variable ⁠"..rownames⁠ with column role "model".

Format

R6::R6Class inheriting from TaskRegr.

Construction

mlr_tasks$get("mtcars")
tsk("mtcars")

Meta Information

• Task type: “regr”

• Dimensions: 32x11

• Properties: -

• Has Missings: FALSE

• Target: “mpg”

• Features: “am”, “carb”, “cyl”, “disp”, “drat”, “gear”, “hp”, “qsec”, “vs”, “wt”

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_iris, mlr_tasks_penguins, mlr_tasks_pima, mlr_tasks_sonar, mlr_tasks_spam, mlr_tasks_wine, mlr_tasks_zoo