convert_task {mlr3}

Convert a Task from One Type to Another

Description

The task's target is replaced by a different column from the data.

Usage

convert_task(
  intask,
  target = NULL,
  new_type = NULL,
  drop_original_target = FALSE,
  drop_levels = TRUE
)

Arguments

intask

(Task)
A Task to be converted.

target

(character(1))
New target to be set, must be a column in the intask data. If NULL, no new target is set, and task is converted as-is.

new_type

(character(1))
The new task type. Must be in mlr_reflections$task_types]. If NULL (default), a new task with the same task_type is created.

drop_original_target

(logical(1))
If FALSE (default), the original target is added as a feature. Otherwise the original target is dropped.

drop_levels

(logical(1))
If TRUE (default), unused levels of the new target variable are dropped.

Value

Task of requested type.