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, multi-crit
#> * Packages: mlr3fselect
# run time terminator with 20 seconds
trm("run_time", secs = 20)
#> <TerminatorRunTime>: Run Time
#> * Parameters: secs=20