This is the abstract base class for unsupervised tasks such as cluster tasks in mlr3cluster.
See also
Chapter in the mlr3book: https://mlr3book.mlr-org.com/basics.html#tasks
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).mlr3fselect and mlr3filters for feature selection and feature filtering.
Extension packages for additional task types:
mlr3proba for probabilistic supervised regression and survival analysis.
mlr3cluster for unsupervised clustering.
Other Task:
TaskClassif
,
TaskRegr
,
TaskSupervised
,
Task
,
mlr_tasks_boston_housing
,
mlr_tasks_breast_cancer
,
mlr_tasks_german_credit
,
mlr_tasks_iris
,
mlr_tasks_mtcars
,
mlr_tasks_penguins
,
mlr_tasks_pima
,
mlr_tasks_sonar
,
mlr_tasks_spam
,
mlr_tasks_wine
,
mlr_tasks_zoo
,
mlr_tasks
Super class
mlr3::Task
-> TaskUnsupervised
Examples
TaskUnsupervised$new("penguins", task_type = "regr", backend = palmerpenguins::penguins)
#> <TaskUnsupervised:penguins> (344 x 8)
#> * Target: -
#> * Properties: -
#> * Features (8):
#> - int (3): body_mass_g, flipper_length_mm, year
#> - fct (3): island, sex, species
#> - dbl (2): bill_depth_mm, bill_length_mm