xgboost::MultiTargetTree 类参考

多目标模型的树结构。 更多...

#include <multi_target_tree_model.h>

xgboost::MultiTargetTree 的继承图

xgboost::MultiTargetTree 的协作图

公有成员函数
	MultiTargetTree (TreeParam const *param)
void	SetLeaf (bst_node_t nidx, linalg::VectorView< float const > weight)
	设置叶子节点的权重。 更多...
void	Expand (bst_node_t nidx, bst_feature_t split_idx, float split_cond, bool default_left, linalg::VectorView< float const > base_weight, linalg::VectorView< float const > left_weight, linalg::VectorView< float const > right_weight)
	将叶子节点扩展为分裂节点。 更多...
bool	IsLeaf (bst_node_t nidx) const
bst_node_t	Parent (bst_node_t nidx) const
bst_node_t	LeftChild (bst_node_t nidx) const
bst_node_t	RightChild (bst_node_t nidx) const
bst_feature_t	SplitIndex (bst_node_t nidx) const
float	SplitCond (bst_node_t nidx) const
bool	DefaultLeft (bst_node_t nidx) const
bst_node_t	DefaultChild (bst_node_t nidx) const
bst_target_t	NumTarget () const
std::size_t	Size () const
bst_node_t	Depth (bst_node_t nidx) const
linalg::VectorView< float const >	LeafValue (bst_node_t nidx) const
void	LoadModel (Json const &in) override
	从 JSON 对象加载模型 更多...
void	SaveModel (Json *out) const override
	将模型配置保存到 JSON 对象 更多...
继承自 xgboost::Model 的公有成员函数
virtual	~Model ()=default

静态公有成员函数
static constexpr bst_node_t	InvalidNodeId ()

详细描述

多目标模型的树结构。

构造函数&析构函数文档

MultiTargetTree()

xgboost::MultiTargetTree::MultiTargetTree ( TreeParam const *  param )

explicit

成员函数文档

DefaultChild()

bst_node_t xgboost::MultiTargetTree::DefaultChild ( bst_node_t  nidx ) const

inline

DefaultLeft()

bool xgboost::MultiTargetTree::DefaultLeft ( bst_node_t  nidx ) const

inline

Depth()

bst_node_t xgboost::MultiTargetTree::Depth ( bst_node_t  nidx ) const

inline

Expand()

void xgboost::MultiTargetTree::Expand	(	bst_node_t	nidx,
		bst_feature_t	split_idx,
		float	split_cond,
		bool	default_left,
		linalg::VectorView< float const >	base_weight,
		linalg::VectorView< float const >	left_weight,
		linalg::VectorView< float const >	right_weight
	)

将叶子节点扩展为分裂节点。

InvalidNodeId()

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

inlinestaticconstexpr

IsLeaf()

bool xgboost::MultiTargetTree::IsLeaf ( bst_node_t  nidx ) const

inline

LeafValue()

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

inline

LeftChild()

bst_node_t xgboost::MultiTargetTree::LeftChild ( bst_node_t  nidx ) const

inline

LoadModel()

void xgboost::MultiTargetTree::LoadModel ( Json const &  in )

overridevirtual

从 JSON 对象加载模型

参数

in	要从中加载模型的 JSON 对象

实现 xgboost::Model。

NumTarget()

bst_target_t xgboost::MultiTargetTree::NumTarget

(

)

const

Parent()

bst_node_t xgboost::MultiTargetTree::Parent ( bst_node_t  nidx ) const

inline

RightChild()

bst_node_t xgboost::MultiTargetTree::RightChild ( bst_node_t  nidx ) const

inline

SaveModel()

void xgboost::MultiTargetTree::SaveModel ( Json *  out ) const

overridevirtual

将模型配置保存到 JSON 对象

参数

out	要将模型保存到的 JSON 容器

实现 xgboost::Model。

SetLeaf()

void xgboost::MultiTargetTree::SetLeaf	(	bst_node_t	nidx,
		linalg::VectorView< float const >	weight
	)

设置叶子节点的权重。

Size()

std::size_t xgboost::MultiTargetTree::Size

(

)

const

SplitCond()

float xgboost::MultiTargetTree::SplitCond ( bst_node_t  nidx ) const

inline

SplitIndex()

bst_feature_t xgboost::MultiTargetTree::SplitIndex ( bst_node_t  nidx ) const

inline

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本类的文档生成自以下文件

• /home/docs/checkouts/readthedocs.org/user_builds/xgboost/checkouts/release_3.0.0/include/xgboost/multi_target_tree_model.h