Objective class

This class is used to represent the objective function used in optimization. Only experts should use the fields and methods for this class directly.

See also

Other classes: Constraint-class, Decision-class, MultiObjApproach-class, MultiObjProjectProblem-class, OptimizationProblem-class, ProjectModifier-class, ProjectProblem-class, Solver-class, Target-class, Weight-class

Super class

ProjectModifier -> Objective

Public fields

has_targets

logical value indicating if the objective uses targets.

has_weights

logical value indicating if the objective uses weights.

Methods

Public methods

• Objective$feature_phylogeny()

• Objective$default_feature_weights()

• Objective$replace_feature_weights()

• Objective$evaluate()

• Objective$clone()

Inherited methods

• ProjectModifier$apply()
• ProjectModifier$calculate()
• ProjectModifier$get_data()
• ProjectModifier$get_internal()
• ProjectModifier$print()
• ProjectModifier$repr()
• ProjectModifier$set_data()
• ProjectModifier$set_internal()
• ProjectModifier$show()

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Objective$feature_phylogeny()

Obtain the feature phylogeny.

Usage

Objective$feature_phylogeny()

Returns

A ape::phylo() phylogenetic tree object.

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Objective$default_feature_weights()

Obtain default feature weights.

Usage

Objective$default_feature_weights()

Returns

A numeric vector with the default feature weights.

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Objective$replace_feature_weights()

Should default feature weights be replaced or multiplied by the new weights?

Usage

Objective$replace_feature_weights()

Returns

A logical value.ks

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Objective$evaluate()

Calculate the objective value for a solution.

Usage

Objective$evaluate(y, solution)

Arguments

y

ProjectProblem object.

solution

tibble::tibble() object with solution.

Returns

A numeric value.

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Objective$clone()

The objects of this class are cloneable with this method.

Usage

Objective$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.