data.h File Reference

Copyright 2015-2023 by XGBoost Contributors. 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 <limits>
#include <memory>
#include <numeric>
#include <string>
#include <utility>
#include <vector>

Go to the source code of this file.

Data Structures
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. More...
class	xgboost::SortedCSCPage
class	xgboost::BatchIteratorImpl< T >
class	xgboost::BatchIterator< T >
class	xgboost::BatchSet< T >
class	xgboost::DMatrix
	Internal data structured used by XGBoost during training. More...
struct	dmlc::serializer::Handler< xgboost::Entry >

Namespaces
namespace	xgboost
	namespace of xgboost
namespace	dmlc
	namespace for dmlc
namespace	dmlc::serializer
	internal namespace for serializers

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

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

Detailed Description

Copyright 2015-2023 by XGBoost Contributors.

The input data structure of xgboost.

Author

Tianqi Chen