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".
R6::R6Class inheriting from TaskRegr.
mlr_tasks$get("mtcars")
tsk("mtcars")
Task type: “regr”
Dimensions: 32x11
Properties: -
Has Missings: FALSE
Target: “mpg”
Features: “am”, “carb”, “cyl”, “disp”, “drat”, “gear”, “hp”, “qsec”, “vs”, “wt”
Chapter in the mlr3book: https://mlr3book.mlr-org.com/tasks.html
Package mlr3data for more toy tasks.
Package mlr3oml for downloading tasks from https://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).
Extension packages for additional task types:
mlr3proba for probabilistic supervised regression and survival analysis.
mlr3cluster for unsupervised clustering.
Other Task:
TaskClassif,
TaskRegr,
TaskSupervised,
TaskUnsupervised,
Task,
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,
mlr_tasks