ContextBatchTuning | R Documentation |
A CallbackBatchTuning accesses and modifies data during the optimization via the ContextBatchTuning
.
See the section on active bindings for a list of modifiable objects.
See callback_batch_tuning()
for a list of stages that access ContextBatchTuning
.
mlr3misc::Context
-> bbotk::ContextBatch
-> ContextBatchTuning
xss
(list())
The hyperparameter configurations of the latest batch.
Contains the values on the learner scale i.e. transformations are applied.
See $xdt
for the untransformed values.
design
(data.table::data.table)
The benchmark design of the latest batch.
benchmark_result
(mlr3::BenchmarkResult)
The benchmark result of the latest batch.
aggregated_performance
(data.table::data.table)
Aggregated performance scores and training time of the latest batch.
This data table is passed to the archive.
A callback can add additional columns which are also written to the archive.
result_learner_param_vals
(list())
The learner parameter values passed to instance$assign_result()
.
clone()
The objects of this class are cloneable with this method.
ContextBatchTuning$clone(deep = FALSE)
deep
Whether to make a deep clone.
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