LightGBM::HistogramBinEntry Struct Reference

Store data for one histogram bin. More...

#include <bin.h>

Static Public Member Functions
static void	SumReducer (const char *src, char *dst, int type_size, comm_size_t len)
	Sum up (reducers) functions for histogram bin.

Data Fields
double	sum_gradients = 0.0f
	Sum of gradients on this bin.
double	sum_hessians = 0.0f
	Sum of hessians on this bin.
data_size_t	cnt = 0
	Number of data on this bin.

Detailed Description

Store data for one histogram bin.

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

• External/LightGBM_2.2.3/LightGBM-2.2.3/include/LightGBM/bin.h