association.h

关联规则发现vc源代码

// AssociationRule.h: interface for the CAssociationRule class.
//
//////////////////////////////////////////////////////////////////////

#if !defined(AFX_ASSOCIATIONRULE_H__05DD957B_8E4B_4C25_BE7E_3179E6224003__INCLUDED_)
#define AFX_ASSOCIATIONRULE_H__05DD957B_8E4B_4C25_BE7E_3179E6224003__INCLUDED_

#include "List.h"
#include "itemSet.h"

typedef struct ARSetOfRules ARRuleSetNode;
struct ARSetOfRules {
    itemSet *m_premise;
    itemSet *m_consequence;
	
    double m_support;
    double m_confidence;

    ARRuleSetNode *next;
};



typedef struct toprulenode TopRule;
struct toprulenode {
	ARRuleSetNode *prule;
    double m_similarity;
};



class CAssociationRule{

public:
    double m_minConfidence;

    List *m_LargeItemSets;

    int m_numRules;
    ARRuleSetNode *m_Rules;

	// basci methods for association rule generation
	
    CAssociationRule();
    ~CAssociationRule();
    
    void setconfidence(double minconfidence) { m_minConfidence = minconfidence; };

    void genrules();

    void ruler(itemSet *Lk, itemSet *Am);
    void add(itemSet *Lk, itemSet *Aminusone, double confidence);

    void save(const char *filename);
    void load(const char *filename);
	
	// advanced methods for association rule testing
	
	itemSet *genRecommendations(itemSet *observed_session, int NumberofTopPages);
	double calSimilarity(itemSet *trace, itemSet *observed_session);
	
	
};

#endif // !defined(AFX_ASSOCIATIONRULE_H__05DD957B_8E4B_4C25_BE7E_3179E6224003__INCLUDED_)