Algo::C45 Class Reference

This class represent the ID3 datamining algorithm. More...

#include <c45.hh>

Inheritance diagram for Algo::C45:


Public Member Functions
	C45 (std::vector< Data::Column * > &cols, std::vector< unsigned int > &learning, std::string &classification_col)
void	construct_tree ()
	public method to construct the tree
Protected Member Functions
void	_construct_tree (Tree::DecisionTree &tree)
	private methode to start construction
float	_gain (Tree::DecisionTree &tree, unsigned int column)
	compute id3 gain function
template<typename Type> float	C45::_gain (Tree::DecisionTree &tree, Data::ColumnTyped< Type > *col, unsigned int col_nb)
	specialized version of gain function
template<typename Type> unsigned int	_get_classe (Tree::DecisionTree &inf_tree, Data::ColumnTyped< Type > *col)
	, return the destination class
template<typename Type> float	_c45_construct_tree (Tree::DecisionTree &tree, Data::ColumnTyped< Type > *col, unsigned int col_nb)
	, construct the tree when column is selected
void	_cut_tree (Tree::DecisionTree &tree)
Static Protected Attributes
const unsigned	_delta = 10

Detailed Description

This class represent the ID3 datamining algorithm.

Definition at line 32 of file c45.hh.

The documentation for this class was generated from the following files:

Generated on Tue Jul 29 15:39:08 2003 for libdatamining by

1.3.2