Annual Canadian Lynx Trappings Forecast Task

A forecast task for the popular datasets::lynx data set. The task represents the annual numbers of lynx trappings in Canada from 1821 to 1934.

Format

R6::R6Class inheriting from TaskFcst.

Source

Brockwell, J. P, Davis, A. R (1991). Time Series: Theory and Methods, 2nd edition. Springer, New York.

Dictionary

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

mlr_tasks$get("lynx")
tsk("lynx")

Meta Information

• Task type: “fcst”

• Dimensions: 114x1

• Properties: “ordered”

• Has Missings: FALSE

• Target: “count”

• Features: -

References

Campbell, J. M, Walker, M. A (1977). “A Survey of Statistical Work on the Mackenzie River Series of Annual Canadian Lynx Trappings for the Years 1821-1934 and a New Analysis.” Journal of the Royal Statistical Society. Series A (General), 140(4), 411–431. doi:10.2307/2345277 .

Becker, A. R, Chambers, M. J, Wilks, R. A (1988). The New S Language. Chapman and Hall/CRC, London.

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: mlr3::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: TaskFcst, mlr_tasks_airpassengers, mlr_tasks_electricity, mlr_tasks_livestock, mlr_tasks_usaccdeaths