xgboost

Classes | Namespaces | Enumerations | Functions
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/span.h>`
`#include <xgboost/host_device_vector.h>`
`#include <memory>`
`#include <numeric>`
`#include <algorithm>`
`#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 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::SortedCSCPage
class | xgboost::EllpackPage
| A page stored in ELLPACK format. More...
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
| xgboost
| namespace of xgboost
| dmlc
| dmlc::serializer

## Enumerations
enum | xgboost::DataType : uint8_t { xgboost::DataType::kFloat32 = 1, xgboost::DataType::kDouble = 2, xgboost::DataType::kUInt32 = 3, xgboost::DataType::kUInt64 = 4, xgboost::DataType::kStr = 5 }
| data type accepted by xgboost interface More...
enum | xgboost::FeatureType : uint8_t { xgboost::FeatureType::kNumerical, xgboost::FeatureType::kCategorical }

## Functions
| dmlc::DMLC_DECLARE_TRAITS (is_pod, xgboost::Entry, true)

## Detailed Description

The input data structure of xgboost.

Copyright (c) 2015 by Contributors

Author
  Tianqi Chen