histogram of gradient statistics for multiple nodes More...

#include <hist_util.h>

Public Member Functions
GHistRow	operator[] (bst_uint nid) const

bool	RowExists (bst_uint nid) const

void	Init (std::uint32_t n_total_bins)
	Initialize histogram collection.

void	AddHistRow (bst_uint nid)

void	AllocateData (bst_uint nid)

Detailed Description

histogram of gradient statistics for multiple nodes

Member Function Documentation

void xgboost::common::HistCollection::Init ( std::uint32_t n_total_bins )

inline

Initialize histogram collection.

Parameters

n_total_bins Number of bins across all features.

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