Functions to retrieve objects, set parameters and assign to fields in one go.
Relies on mlr3misc::dictionary_sugar_get()
to extract objects from the respective mlr3misc::Dictionary:
fs()
for a FSelector from mlr_fselectors.fss()
for a list of a FSelector from mlr_fselectors.trm()
for a bbotk::Terminator from mlr_terminators.trms()
for a list of Terminators from mlr_terminators.
Arguments
- .key
(
character(1)
)
Key passed to the respective dictionary to retrieve the object.- ...
(any)
Additional arguments.- .keys
(
character()
)
Keys passed to the respective dictionary to retrieve multiple objects.
Value
R6::R6Class object of the respective type, or a list of R6::R6Class objects for the plural versions.
Examples
# random search with batch size of 5
fs("random_search", batch_size = 5)
#>
#> ── <FSelectorBatchRandomSearch>: Random Search ─────────────────────────────────
#> • Parameters: batch_size=5
#> • Properties: single-crit and multi-crit
#> • Packages: mlr3fselect
# run time terminator with 20 seconds
trm("run_time", secs = 20)
#>
#> ── <TerminatorRunTime> - Run Time ──────────────────────────────────────────────
#> • Parameters: secs=20
#> • Terminators: