ppforest2::TreeResponse Struct Reference

Leaf node in a projection pursuit tree. More...

#include <TreeResponse.hpp>

Public Types
using	Ptr = std::unique_ptr<TreeResponse>
Public Types inherited from ppforest2::TreeNode
using	Ptr = std::unique_ptr<TreeNode>

Public Member Functions
	TreeResponse (types::Response value)
void	accept (TreeNode::Visitor &visitor) const override
	Accept a tree node visitor (double dispatch).
TreeNode::Ptr	clone () const override
	Deep copy of this node and its subtree.
bool	equals (TreeNode const &other) const override
	Structural equality comparison (value-based).
int	group_count () const override
	Number of distinct groups reachable from this node.
bool	is_leaf () const override
	Whether this node is a leaf (TreeResponse).
std::set< types::Response >	node_groups () const override
	Sorted set of group labels reachable from this node.
types::Response	predict (types::FeatureVector const &data) const override
	Return the stored class label (ignores input).
types::Response	response () const override
	The group label at this node (leaf value or majority group).
Public Member Functions inherited from ppforest2::TreeNode
virtual	~TreeNode ()=default
bool	operator!= (TreeNode const &other) const
bool	operator== (TreeNode const &other) const

Static Public Member Functions
static Ptr	make (types::Response value)
	Factory method that returns a unique_ptr to a new TreeResponse.

Public Attributes
types::Response	value
	Class label stored at this leaf.
Public Attributes inherited from ppforest2::TreeNode
bool	degenerate = false
	Whether this node (or any descendant) had a degenerate split.

Detailed Description

Leaf node in a projection pursuit tree.

Holds a single class label and always returns it as the prediction, regardless of the input feature vector.

Member Typedef Documentation

Ptr

using ppforest2::TreeResponse::Ptr = std::unique_ptr<TreeResponse>

Constructor & Destructor Documentation

TreeResponse()

ppforest2::TreeResponse::TreeResponse ( types::Response value )

explicit

Member Function Documentation

accept()

void ppforest2::TreeResponse::accept ( TreeNode::Visitor & visitor ) const

overridevirtual

Accept a tree node visitor (double dispatch).

Implements ppforest2::TreeNode.

clone()

TreeNode::Ptr ppforest2::TreeResponse::clone ( ) const

overridevirtual

Deep copy of this node and its subtree.

Implements ppforest2::TreeNode.

equals()

bool ppforest2::TreeResponse::equals ( TreeNode const & other ) const

overridevirtual

Structural equality comparison (value-based).

Implements ppforest2::TreeNode.

group_count()

int ppforest2::TreeResponse::group_count ( ) const

inlineoverridevirtual

Number of distinct groups reachable from this node.

Implements ppforest2::TreeNode.

is_leaf()

bool ppforest2::TreeResponse::is_leaf ( ) const

inlineoverridevirtual

Whether this node is a leaf (TreeResponse).

Implements ppforest2::TreeNode.

make()

static Ptr ppforest2::TreeResponse::make ( types::Response value )

static

Factory method that returns a unique_ptr to a new TreeResponse.

node_groups()

std::set< types::Response > ppforest2::TreeResponse::node_groups ( ) const

inlineoverridevirtual

Sorted set of group labels reachable from this node.

Implements ppforest2::TreeNode.

predict()

types::Response ppforest2::TreeResponse::predict ( types::FeatureVector const & data ) const

overridevirtual

Return the stored class label (ignores input).

Parameters

data	Feature vector (unused).

Returns

The class label stored at this leaf.

Implements ppforest2::TreeNode.

response()

types::Response ppforest2::TreeResponse::response ( ) const

overridevirtual

The group label at this node (leaf value or majority group).

Implements ppforest2::TreeNode.

Member Data Documentation

value

types::Response ppforest2::TreeResponse::value

Class label stored at this leaf.

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The documentation for this struct was generated from the following file:

• core/src/models/TreeResponse.hpp