data.h File Reference

The input data structure of xgboost. More...

#include <dmlc/base.h>
#include <dmlc/data.h>
#include <dmlc/serializer.h>
#include <xgboost/base.h>
#include <xgboost/host_device_vector.h>
#include <xgboost/linalg.h>
#include <xgboost/span.h>
#include <xgboost/string_view.h>
#include <algorithm>
#include <cstdint>
#include <limits>
#include <memory>
#include <string>
#include <utility>
#include <vector>

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Classes
class	xgboost::MetaInfo
	Meta information about dataset, always sit in memory. More...
struct	xgboost::Entry
	Element from a sparse vector. More...
struct	xgboost::BatchParam
	Parameters for constructing histogram index batches. More...
struct	xgboost::HostSparsePageView
class	xgboost::SparsePage
	In-memory storage unit of sparse batch, stored in CSR format. More...
class	xgboost::CSCPage
class	xgboost::ExtSparsePage
	Sparse page for exporting DMatrix. Same as SparsePage, just a different type to prevent being used internally. More...
class	xgboost::SortedCSCPage
class	xgboost::BatchIteratorImpl< T >
class	xgboost::BatchIterator< T >
class	xgboost::BatchSet< T >
struct	xgboost::ExtMemConfig
class	xgboost::DMatrix
	Internal data structured used by XGBoost to hold all external data. More...
struct	dmlc::serializer::Handler< xgboost::Entry >

Namespaces
	xgboost
	Core data structure for multi-target trees.
	dmlc
	dmlc::serializer

Enumerations
enum class	xgboost::DataType : uint8_t {   xgboost::kFloat32 = 1 , xgboost::kDouble = 2 , xgboost::kUInt32 = 3 , xgboost::kUInt64 = 4 ,   xgboost::kStr = 5 }
	data type accepted by xgboost interface More...
enum class	xgboost::FeatureType : uint8_t { xgboost::kNumerical = 0 , xgboost::kCategorical = 1 }
enum class	xgboost::DataSplitMode : int { xgboost::kRow = 0 , xgboost::kCol = 1 }

Functions
	DECLARE_FIELD_ENUM_CLASS (xgboost::DataSplitMode)
	dmlc::DMLC_DECLARE_TRAITS (is_pod, xgboost::Entry, true)

Detailed Description

The input data structure of xgboost.

Copyright 2015-2024, XGBoost Contributors

Author

Tianqi Chen

Function Documentation

DECLARE_FIELD_ENUM_CLASS()

DECLARE_FIELD_ENUM_CLASS

(

xgboost::DataSplitMode

)