Mape regression loss for regression task. More...

Inheritance diagram for LightGBM::MAPEMetric:

Public Member Functions
	MAPEMetric (const Config &config)

Public Member Functions inherited from LightGBM::RegressionMetric< MAPEMetric >
	RegressionMetric (const Config &config)

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

double	factor_to_bigger_better () const override

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

std::vector< double >	Eval (const double score, const ObjectiveFunction objective) 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.

Static Public Member Functions
static double	LossOnPoint (label_t label, double score, const Config &)

static const char *	Name ()

Static Public Member Functions inherited from LightGBM::RegressionMetric< MAPEMetric >
static double	AverageLoss (double sum_loss, double sum_weights)

static void	CheckLabel (label_t)

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

Detailed Description

Mape regression loss for regression task.

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

Public Member Functions