mlr (version 2.10)

getTaskFormula: Get formula of a task.

Description

This is usually simply “<target> ~ .”. For multilabel it is “<target_1> + ... + <target_k> ~ .”.

Usage

getTaskFormula(x, target = getTaskTargetNames(x), explicit.features = FALSE,
  env = parent.frame())

Arguments

x
[Task | TaskDesc] Task or its description object.
target
[character(1)] Left hand side of the formula. Default is defined by task x.
explicit.features
[logical(1)] Should the features (right hand side of the formula) be explicitly listed? Default is FALSE, i.e., they will be represented as ".".
env
[environment] Environment of the formula. Default is parent.frame().

Value

[formula].

See Also

Other task: getTaskClassLevels, getTaskCosts, getTaskData, getTaskDescription, getTaskFeatureNames, getTaskId, getTaskNFeats, getTaskSize, getTaskTargetNames, getTaskTargets, getTaskType, subsetTask