GRACE 1000 Survival Task

A survival task for the grace 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("grace")
tsk("grace")

Meta Information

• Task type: “surv”

• Dimensions: 1000x8

• Properties: -

• Has Missings: FALSE

• Target: “time”, “status”

• Features: “age”, “los”, “revasc”, “revascdays”, “stchange”, “sysbp”

Preprocessing

• Column id is removed.

• Target columns (days, death) have been renamed to (time, status).

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_lung, mlr_tasks_mgus, mlr_tasks_precip, mlr_tasks_rats, mlr_tasks_veteran, mlr_tasks_whas