CHAIDTreeNodeData Struct Reference

Detailed Description

structure to store data of a node of CHAID. This can be used as a template type in TreeMachineNode class. CHAID algorithm uses nodes of type CTreeMachineNode<CHAIDTreeNodeData>

Definition at line 44 of file CHAIDTreeNodeData.h.

Public Member Functions
	CHAIDTreeNodeData ()

Static Public Member Functions
static void	print_data (const CHAIDTreeNodeData &data)

Public Attributes
int32_t	attribute_id
SGVector< float64_t >	distinct_features
SGVector< int32_t >	feature_class
float64_t	node_label
float64_t	total_weight
float64_t	weight_minus_node

Constructor & Destructor Documentation

CHAIDTreeNodeData

(

)

constructor

Definition at line 65 of file CHAIDTreeNodeData.h.

Member Function Documentation

static void print_data ( const CHAIDTreeNodeData &  data )

static

print data

Parameters

data	the data to be printed

Definition at line 78 of file CHAIDTreeNodeData.h.

Member Data Documentation

int32_t attribute_id

classifying attribute

Definition at line 47 of file CHAIDTreeNodeData.h.

SGVector<float64_t> distinct_features

distinct feature values possible for attribute_id

Definition at line 50 of file CHAIDTreeNodeData.h.

SGVector<int32_t> feature_class

class to which each distinct feature type is assigned

Definition at line 53 of file CHAIDTreeNodeData.h.

float64_t node_label

label representative of data in node

Definition at line 56 of file CHAIDTreeNodeData.h.

float64_t total_weight

total weight of training samples passing through this node

Definition at line 59 of file CHAIDTreeNodeData.h.

float64_t weight_minus_node

total weight of misclassified samples in node

Definition at line 62 of file CHAIDTreeNodeData.h.

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

• CHAIDTreeNodeData.h