OpenML (version 1.12)

convertOMLTaskToMlr: Convert an OpenML task to mlr.

Description

Converts an OMLTask to a list of Task, ResampleInstance and Measure.

Usage

convertOMLTaskToMlr(
  obj,
  measures = NULL,
  mlr.task.id = "",
  ignore.flagged.attributes = TRUE,
  drop.levels = TRUE,
  verbosity = NULL
)

Value

[list] A list with the following objects:

mlr.task

[Task]

mlr.rin

[ResampleInstance]

mlr.measures

[list of Measures to optimize for.

Arguments

obj

[OMLTask]
The OML task object that should be converted.

measures

[Measure]
Additional measures that should be computed.

mlr.task.id

[character(1)]
Id string for Task object. The strings <oml.data.name>, <oml.data.id>, <oml.data.version> and <oml.task.id> will be replaced by their respective values contained in the OMLTask object. Default is <oml.data.name>.

ignore.flagged.attributes

[logical(1)]
Should those features that are listed in the data set description slot “ignore.attribute” be removed? Default is TRUE.

drop.levels

[logical(1)]
Should empty factor levels be dropped in the data? Default is TRUE.

verbosity

[integer(1)]
Print verbose output on console? Possible values are:
0: normal output,
1: info output,
2: debug output.
Default is set via setOMLConfig.

See Also

Other task-related functions: deleteOMLObject(), getOMLTask(), listOMLTaskTypes(), listOMLTasks(), makeOMLTask(), tagOMLObject()

Examples

# \dontrun{
# 	library("mlr")
# 	vinnieOML = getOMLTask(task.id = 4845)
# 	vinnieMlr = convertOMLTaskToMlr(vinnieOML)
# }