Syntactic Sugar for Automatic Feature Selection — auto

Function to create an AutoFSelector object.

Usage

auto_fselector(
  method,
  learner,
  resampling,
  measure,
  term_evals = NULL,
  term_time = NULL,
  ...
)

Arguments

method: (character(1) | FSelector)
Key to retrieve fselector from mlr_fselectors dictionary or FSelector object.
learner: (mlr3::Learner).
resampling: (mlr3::Resampling)
Uninstantiated resamplings are instantiated during construction so that all configurations are evaluated on the same data splits.
measure: (mlr3::Measure)
Measure to optimize.
term_evals: (integer(1))
Number of allowed evaluations.
term_time: (integer(1))
Maximum allowed time in seconds.
...: (named list())
Named arguments to be set as parameters of the fselector.

Value

AutoFSelector

Examples

at = auto_fselector(
  method = "random_search",
  learner = lrn("classif.rpart"),
  resampling = rsmp ("holdout"),
  measure = msr("classif.ce"),
  term_evals = 4)

at$train(tsk("pima"))