mlr_tasks_penguins function

Palmer Penguins Data Set

Classification data to predict the species of penguins from the list("palmerpenguins") package, see palmerpenguins::penguins . A better alternative to the iris data set .

Format

R6::R6Class inheriting from TaskClassif .

Source

list("palmerpenguins")

Dictionary

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

mlr_tasks$get("penguins")
tsk("penguins")

Meta Information

• Task type: classif
• Dimensions: 344x8
• Properties: multiclass
• Has Missings: TRUE
• Target: species
• Features: bill_depth , bill_length , body_mass , flipper_length , island , sex , year

Pre-processing

• The unit of measurement have been removed from the column names. Lengths are given in millimeters (mm), weight in gram (g).

References

Gorman KB, Williams TD, Fraser WR (2014). Ecological Sexual Dimorphism and Environmental Variability within aCommunity of Antarctic Penguins (Genus Pygoscelis).

PLoS ONE, 9 (3), e90081. tools:::Rd_expr_doi("10.1371/journal.pone.0090081") .

https://github.com/allisonhorst/palmerpenguins

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_iris, mlr_tasks_mtcars, mlr_tasks_pima, mlr_tasks_sonar, mlr_tasks_spam, mlr_tasks_wine, mlr_tasks_zoo