ultra::src::team_class_oracle< O, C > Class Template Reference

#include <oracle.h>

Inheritance diagram for ultra::src::team_class_oracle< O, C >:

Public Member Functions
template<Individual I>
	team_class_oracle (const gp::team< I > &, const dataframe &, std::vector< std::string >={})
	team_class_oracle (std::istream &, const symbol_set &)
classification_result	tag (const std::vector< value_t > &) const final
bool	is_valid () const final
template<Individual I>
	team_class_oracle (const gp::team< I > &t, const dataframe &d, std::vector< std::string > names)
Public Member Functions inherited from ultra::src::basic_class_oracle
value_t	operator() (const std::vector< value_t > &) const final
	Returns the predicted class label.
std::string	name (const value_t &) const final
	Returns the class name, falling back to a numeric name for unknown IDs.

Static Public Attributes
static const std::string	SERIALIZE_ID

Additional Inherited Members
Protected Member Functions inherited from ultra::src::basic_class_oracle
	basic_class_oracle (std::vector< std::string >={})
bool	load_names (std::istream &)
	Loads the class names, accepting a zero count for omitted names.
bool	save_names (std::ostream &) const
	Saves a count followed by one class name per line.
Static Protected Member Functions inherited from ultra::src::basic_class_oracle
static std::vector< std::string >	class_names (const dataframe &)
	Collects the class names from the training set.

Detailed Description

template<ClassificationPredictor O, team_composition C = team_composition::standard>
class ultra::src::team_class_oracle< O, C >

An helper class for extending classification schemes to teams.

Template Parameters

O	member oracle type
C	composition method for team's member responses

Constructor & Destructor Documentation

team_class_oracle() [1/3]

template<ClassificationPredictor O, team_composition C>

template<Individual I>

ultra::src::team_class_oracle< O, C >::team_class_oracle	(	const gp::team< I > &	t,
		const dataframe &	d,
		std::vector< std::string >	names = {} )

Parameters

[in]	t	team "to be transformed" into an oracle
[in]	d	the training set
[in]	names	optional class names

team_class_oracle() [2/3]

template<ClassificationPredictor O, team_composition C>

team_class_oracle::team_class_oracle	(	std::istream &	in,
		const symbol_set &	ss )

Constructs the object reading data from an input stream.

Parameters

[in]	in	input stream
[in]	ss	active symbol set

team_class_oracle() [3/3]

template<ClassificationPredictor O, team_composition C = team_composition::standard>

template<Individual I>

ultra::src::team_class_oracle< O, C >::team_class_oracle	(	const gp::team< I > &	t,
		const dataframe &	d,
		std::vector< std::string >	names )

Parameters

[in]	t	team "to be transformed" into an oracle
[in]	d	the training set
[in]	names	optional class names

Member Function Documentation

is_valid()

template<ClassificationPredictor O, team_composition C>

bool team_class_oracle::is_valid ( ) const

nodiscardfinalvirtual

Returns

true if the object passes the internal consistency check

Implements ultra::src::basic_oracle.

tag()

template<ClassificationPredictor O, team_composition C>

classification_result team_class_oracle::tag ( const std::vector< value_t > & instance ) const

nodiscardfinalvirtual

Specialized method for teams.

Parameters

[in]

instance

data to be classified

Returns

the class of instance (numerical id) and the confidence level (in the [0,1] interval)

• team_composition::mv the class which most of the individuals predict for a given example is selected as team output.
• team_composition::wta the winner is the individual with the highest confidence in its decision. Specialization may emerge if different members of the team win this contest for different fitness cases (of course, it isn't a feasible alternative to select the member with the best fitness. Then a decision on unknown data is only possible if the right outputs are known in advance and is not made by the team itself).

Implements ultra::src::basic_oracle.

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The documentation for this class was generated from the following files:

• oracle.h
• oracle.tcc