German Breast Cancer Study Survival Task

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

Meta Information

• Task type: “surv”

• Dimensions: 686x10

• Properties: -

• Has Missings: FALSE

• Target: “time”, “status”

• Features: “age”, “er”, “grade”, “hormon”, “meno”, “nodes”, “pgr”, “size”

Pre-processing

• Removed column pid.

• Column meno has been converted to factor and 0/1 values have been replaced with premenopausal and postmenopausal respectively.

• Column hormon has been converted to factor and 0/1 values have been replaced with no and yes respectively.

• Column grade has been converted to factor.

• Renamed target column rfstime to time.

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_grace, mlr_tasks_lung, mlr_tasks_mgus, mlr_tasks_precip, mlr_tasks_rats, mlr_tasks_veteran, mlr_tasks_whas