xgboost::common::SortedQuantile Struct Reference

Quantile structure accepts sorted data, extracted from histmaker. More...

#include <quantile.h>

Collaboration diagram for xgboost::common::SortedQuantile:

Public Member Functions
void	Init (unsigned max_size)
void	Push (bst_float fvalue, bst_float w, unsigned max_size)
	push a new element to sketch More...
void	Finalize (unsigned max_size)
	push final unfinished value to the sketch More...

Public Attributes
double	sum_total {0.0}
	total sum of amount to be met More...
double	rmin
	statistics used in the sketch More...
double	wmin
bst_float	last_fvalue
	last seen feature value More...
double	next_goal
	current size of sketch More...
common::WXQuantileSketch< bst_float, bst_float > *	sketch

Detailed Description

Quantile structure accepts sorted data, extracted from histmaker.

Member Function Documentation

Finalize()

void xgboost::common::SortedQuantile::Finalize ( unsigned  max_size )

inline

push final unfinished value to the sketch

Init()

void xgboost::common::SortedQuantile::Init ( unsigned  max_size )

inline

Push()

void xgboost::common::SortedQuantile::Push ( bst_float  fvalue, bst_float  w, unsigned  max_size  )

inline

push a new element to sketch

Parameters

fvalue	feature value, comes in sorted ascending order
w	weight
max_size

Member Data Documentation

last_fvalue

bst_float xgboost::common::SortedQuantile::last_fvalue

last seen feature value

next_goal

double xgboost::common::SortedQuantile::next_goal

current size of sketch

rmin

double xgboost::common::SortedQuantile::rmin

statistics used in the sketch

sketch

common::WXQuantileSketch<bst_float, bst_float>* xgboost::common::SortedQuantile::sketch

sum_total

double xgboost::common::SortedQuantile::sum_total {0.0}

total sum of amount to be met

wmin

double xgboost::common::SortedQuantile::wmin

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

• /home/runner/work/xgboost/xgboost/src/common/quantile.h