xgboost::common::HistCutMatrix Struct Reference

Cut configuration for all the features. More...

#include <hist_util.h>

Collaboration diagram for xgboost::common::HistCutMatrix:

Public Types
using	WXQSketch = common::WXQuantileSketch< bst_float, bst_float >

Public Member Functions
uint32_t	GetBinIdx (const Entry &e)
void	Init (DMatrix *p_fmat, uint32_t max_num_bins)
void	Init (std::vector< WXQSketch > *sketchs, uint32_t max_num_bins)
	HistCutMatrix ()
size_t	NumBins () const

Public Attributes
std::vector< uint32_t >	row_ptr
	Unit pointer to rows by element position. More...
std::vector< bst_float >	min_val
	minimum value of each feature More...
std::vector< bst_float >	cut
	the cut field More...

Protected Member Functions
virtual size_t	SearchGroupIndFromBaseRow (std::vector< bst_uint > const &group_ptr, size_t const base_rowid) const

Protected Attributes
Monitor	monitor_

Detailed Description

Cut configuration for all the features.

Member Typedef Documentation

WXQSketch

using xgboost::common::HistCutMatrix::WXQSketch = common::WXQuantileSketch<bst_float, bst_float>

Constructor & Destructor Documentation

HistCutMatrix()

xgboost::common::HistCutMatrix::HistCutMatrix

(

)

Member Function Documentation

GetBinIdx()

uint32_t xgboost::common::HistCutMatrix::GetBinIdx

(

const Entry &

e

)

Init() [1/2]

void xgboost::common::HistCutMatrix::Init	(	DMatrix *	p_fmat,
		uint32_t	max_num_bins
	)

Init() [2/2]

void xgboost::common::HistCutMatrix::Init	(	std::vector< WXQSketch > *	sketchs,
		uint32_t	max_num_bins
	)

NumBins()

size_t xgboost::common::HistCutMatrix::NumBins ( ) const

inline

SearchGroupIndFromBaseRow()

virtual size_t xgboost::common::HistCutMatrix::SearchGroupIndFromBaseRow ( std::vector< bst_uint > const &  group_ptr, size_t const  base_rowid  ) const

protectedvirtual

Member Data Documentation

cut

std::vector<bst_float> xgboost::common::HistCutMatrix::cut

the cut field

min_val

std::vector<bst_float> xgboost::common::HistCutMatrix::min_val

minimum value of each feature

monitor_

Monitor xgboost::common::HistCutMatrix::monitor_

protected

row_ptr

std::vector<uint32_t> xgboost::common::HistCutMatrix::row_ptr

Unit pointer to rows by element position.

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

• /workspace/src/common/hist_util.h