View source: R/fselect_nested.R
fselect_nested | R Documentation |
Function to conduct nested resampling.
fselect_nested( fselector, task, learner, inner_resampling, outer_resampling, measure = NULL, term_evals = NULL, term_time = NULL, terminator = NULL, store_fselect_instance = TRUE, store_benchmark_result = TRUE, store_models = FALSE, check_values = FALSE, callbacks = list() )
fselector |
(FSelector) |
task |
(mlr3::Task) |
learner |
(mlr3::Learner) |
inner_resampling |
(mlr3::Resampling) |
outer_resampling |
mlr3::Resampling) |
measure |
(mlr3::Measure) |
term_evals |
( |
term_time |
( |
terminator |
(Terminator) |
store_fselect_instance |
( |
store_benchmark_result |
( |
store_models |
( |
check_values |
( |
callbacks |
(list of CallbackFSelect) |
mlr3::ResampleResult
# Nested resampling on Palmer Penguins data set rr = fselect_nested( fselector = fs("random_search"), task = tsk("penguins"), learner = lrn("classif.rpart"), inner_resampling = rsmp ("holdout"), outer_resampling = rsmp("cv", folds = 2), measure = msr("classif.ce"), term_evals = 4) # Performance scores estimated on the outer resampling rr$score() # Unbiased performance of the final model trained on the full data set rr$aggregate()
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