Used to store some information for gain split point. More...

Public Member Functions
void	CopyTo (char *buffer) const

void	CopyFrom (const char *buffer)

void	Reset ()

bool	operator> (const SplitInfo &si) const

bool	operator== (const SplitInfo &si) const

Static Public Member Functions
static int	Size (int max_cat_threshold)

Data Fields
int	feature = -1
	Feature index.

uint32_t	threshold = 0
	Split threshold.

data_size_t	left_count = 0
	Left number of data after split.

data_size_t	right_count = 0
	Right number of data after split.

int	num_cat_threshold = 0

double	left_output = 0.0
	Left output after split.

double	right_output = 0.0
	Right output after split.

double	gain = kMinScore
	Split gain.

double	left_sum_gradient = 0
	Left sum gradient after split.

double	left_sum_hessian = 0
	Left sum hessian after split.

double	right_sum_gradient = 0
	Right sum gradient after split.

double	right_sum_hessian = 0
	Right sum hessian after split.

std::vector< uint32_t >	cat_threshold

bool	default_left = true
	True if default split is left.

int8_t	monotone_type = 0

double	min_constraint = -std::numeric_limits<double>::max()

double	max_constraint = std::numeric_limits<double>::max()

Detailed Description

Used to store some information for gain split point.

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

Public Member Functions