Inheritance diagram for LightGBM::MapMetric:

Public Member Functions
	MapMetric (const Config &config)

void	Init (const Metadata &metadata, data_size_t num_data) override
	Initialize.

const std::vector< std::string > &	GetName () const override

double	factor_to_bigger_better () const override

void	CalMapAtK (std::vector< int > ks, data_size_t npos, const label_t label, const double score, data_size_t num_data, std::vector< double > *out) const

std::vector< double >	Eval (const double score, const ObjectiveFunction ) const override
	Calcaluting and printing metric result.

Public Member Functions inherited from LightGBM::Metric
virtual	~Metric ()
	virtual destructor

Metric &	operator= (const Metric &)=delete
	Disable copy.

	Metric (const Metric &)=delete
	Disable copy.

Additional Inherited Members
Static Public Member Functions inherited from LightGBM::Metric
static LIGHTGBM_EXPORT Metric *	CreateMetric (const std::string &type, const Config &config)
	Create object of metrics.

Member Function Documentation

◆ Eval()

std::vector< double > LightGBM::MapMetric::Eval	(	const double *	score,
		const ObjectiveFunction *	objective
	)		const

inlineoverridevirtual

Calcaluting and printing metric result.

Parameters

score Current prediction score

double LightGBM::MapMetric::factor_to_bigger_better ( ) const

inlineoverridevirtual

const std::vector< std::string > & LightGBM::MapMetric::GetName ( ) const

inlineoverridevirtual

void LightGBM::MapMetric::Init	(	const Metadata &	metadata,
		data_size_t	num_data
	)

inlineoverridevirtual

Initialize.

Parameters

test_name	Specific name for this metric, will output on log
metadata	Label data
num_data	Number of data

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