Veteran Survival Task

A survival task for the veteran data set.

Format

R6::R6Class inheriting from TaskSurv.

Dictionary

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

mlr_tasks$get("veteran")
tsk("veteran")

Meta Information

• Task type: “surv”

• Dimensions: 137x8

• Properties: -

• Has Missings: FALSE

• Target: “time”, “status”

• Features: “age”, “celltype”, “diagtime”, “karno”, “prior”, “trt”

Pre-processing

• Columns age, time, status, diagtime and karno have been converted to integer.

• Columns trt, prior have been converted to factors. Prior therapy values are no/yes instead of 0/10.

See also

• Chapter in the mlr3book: https://mlr3book.mlr-org.com/chapters/chapter2/data_and_basic_modeling.html

• Dictionary of Tasks: mlr3::mlr_tasks

• as.data.table(mlr_tasks) for a table of available Tasks in the running session

Other Task: TaskDens, TaskSurv, mlr_tasks_actg, mlr_tasks_faithful, mlr_tasks_gbcs, mlr_tasks_gbsg, mlr_tasks_grace, mlr_tasks_lung, mlr_tasks_mgus, mlr_tasks_pbc, mlr_tasks_precip, mlr_tasks_rats, mlr_tasks_unemployment, mlr_tasks_whas