Local Search Acquisition Function Optimizer

Local search acquisition function optimizer. Calls bbotk::local_search(). For the meaning of the control parameters, see bbotk::local_search_control(). The termination stops when the budget defined by the n_searches, n_steps, and n_neighs parameters is exhausted.

Super class

mlr3mbo::AcqOptimizer -> AcqOptimizerLocalSearch

Public fields

state

(list())
List of cmaes::cma_es() results.

Active bindings

print_id

(character)
Id used when printing.

Methods

Public methods

• AcqOptimizerLocalSearch$new()

• AcqOptimizerLocalSearch$optimize()

• AcqOptimizerLocalSearch$reset()

• AcqOptimizerLocalSearch$clone()

Inherited methods

• mlr3mbo::AcqOptimizer$format()
• mlr3mbo::AcqOptimizer$print()

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Method new()

Creates a new instance of this R6 class.

Usage

AcqOptimizerLocalSearch$new(acq_function = NULL)

Arguments

acq_function

(NULL | AcqFunction).

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Method optimize()

Optimize the acquisition function.

Usage

AcqOptimizerLocalSearch$optimize()

Returns

data.table::data.table() with 1 row per candidate.

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Method reset()

Reset the acquisition function optimizer.

Currently not used.

Usage

AcqOptimizerLocalSearch$reset()

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Method clone()

The objects of this class are cloneable with this method.

Usage

AcqOptimizerLocalSearch$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.

Examples

acqo("local_search")
#> <AcqOptimizerLocalSearch>: (OptimizerLocalSearch)
#> * Parameters: catch_errors=TRUE