xgboost::MultiTargetTreeView 结构体参考

适用于主机和设备的 @MultiTargetTree 的视图。 更多...

#include <multi_target_tree_model.h>

xgboost::MultiTargetTreeView 协作图

公共成员函数
XGBOOST_DEVICE bool	IsLeaf (bst_node_t nidx) const
XGBOOST_DEVICE bst_node_t	LeftChild (bst_node_t nidx) const
XGBOOST_DEVICE bst_node_t	RightChild (bst_node_t nidx) const
XGBOOST_DEVICE bst_feature_t	SplitIndex (bst_node_t nidx) const
XGBOOST_DEVICE float	SplitCond (bst_node_t nidx) const
XGBOOST_DEVICE bool	DefaultLeft (bst_node_t nidx) const
XGBOOST_DEVICE bst_node_t	DefaultChild (bst_node_t nidx) const
XGBOOST_DEVICE linalg::VectorView< float const >	LeafValue (bst_node_t nidx) const
bst_target_t	NumTargets () const
bst_node_t	Size () const

静态公共成员函数
static constexpr bst_node_t	InvalidNodeId ()

公共属性
bst_node_t const *	left
bst_node_t const *	right
bst_node_t const *	parent
bst_feature_t const *	split_index
std::uint8_t const *	default_left
float const *	split_conds
std::size_t	n {0}
linalg::MatrixView< float const >	weights

详细描述

适用于主机和设备的 @MultiTargetTree 的视图。

成员函数文档

DefaultChild()

XGBOOST_DEVICE bst_node_t xgboost::MultiTargetTreeView::DefaultChild ( bst_node_t  nidx ) const

inline

DefaultLeft()

XGBOOST_DEVICE bool xgboost::MultiTargetTreeView::DefaultLeft ( bst_node_t  nidx ) const

inline

InvalidNodeId()

static constexpr bst_node_t xgboost::MultiTargetTreeView::InvalidNodeId ( )

inlinestaticconstexpr

IsLeaf()

XGBOOST_DEVICE bool xgboost::MultiTargetTreeView::IsLeaf ( bst_node_t  nidx ) const

inline

LeafValue()

XGBOOST_DEVICE linalg::VectorView<float const> xgboost::MultiTargetTreeView::LeafValue ( bst_node_t  nidx ) const

inline

LeftChild()

XGBOOST_DEVICE bst_node_t xgboost::MultiTargetTreeView::LeftChild ( bst_node_t  nidx ) const

inline

NumTargets()

bst_target_t xgboost::MultiTargetTreeView::NumTargets ( ) const

inline

RightChild()

XGBOOST_DEVICE bst_node_t xgboost::MultiTargetTreeView::RightChild ( bst_node_t  nidx ) const

inline

Size()

bst_node_t xgboost::MultiTargetTreeView::Size ( ) const

inline

SplitCond()

XGBOOST_DEVICE float xgboost::MultiTargetTreeView::SplitCond ( bst_node_t  nidx ) const

inline

SplitIndex()

XGBOOST_DEVICE bst_feature_t xgboost::MultiTargetTreeView::SplitIndex ( bst_node_t  nidx ) const

inline

成员数据文档

default_left

std::uint8_t const* xgboost::MultiTargetTreeView::default_left

left

bst_node_t const* xgboost::MultiTargetTreeView::left

n

std::size_t xgboost::MultiTargetTreeView::n {0}

parent

bst_node_t const* xgboost::MultiTargetTreeView::parent

right

bst_node_t const* xgboost::MultiTargetTreeView::right

split_conds

float const* xgboost::MultiTargetTreeView::split_conds

split_index

bst_feature_t const* xgboost::MultiTargetTreeView::split_index

weights

linalg::MatrixView<float const> xgboost::MultiTargetTreeView::weights

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此结构体的文档生成自以下文件：

• /home/docs/checkouts/readthedocs.org/user_builds/xgboost/checkouts/stable/include/xgboost/multi_target_tree_model.h