aprioriresult.java

一个数据挖掘软件ALPHAMINERR的整个过程的JAVA版源代码

/*
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

/**
 * Title:        prudsys basket analysis
 * Description:  Basket analysis algorithms
 * Copyright:    Copyright (c) 2001
 * Company:      PRUDENTIAL SYSTEMS SOFTWARE GmbH
 * @author Stefan Ludwig
 * @version 1.0
 */
package com.prudsys.pdm.Models.AssociationRules.Algorithms.AprioriSimple;


/**
 * Helper class that contains alls association rules and large itemsets
 * found by Apriori.AprioriAlg(...)
 *
 * @author Stefan Ludwig
 * @version 29. 06. 1999
 */
public class AprioriResult {

   public RuleSetList associationRules; // all association rules found by Apriori.AprioriAlg(...)
   public ItemSetList largeItemSets;    // all large itemsets as a simple list

   /**
    * Constructs an empty AprioriResult variable
    */
   public AprioriResult()
     {associationRules=null;
      largeItemSets=null;
     }

   /**
    * Constructs an AprioriResult variable with values
    *
    * @param ar RuleSetList with association rules found by Apriori.AprioriAlg(..)
    * @param lis ItemSetList with large itemsets found by Apriori.AprioriAlg(..)
    */
   public AprioriResult(RuleSetList ar, ItemSetList lis)
     {associationRules=ar;
      largeItemSets=lis;
     }

   /**
    * set the private AssociationRules variable
    *
    * @param ar new set of association rules
    */
   public void setAssociationRules (RuleSetList ar)
     {associationRules=ar; }

   /**
    * get the private AssociationRules variable
    */
   public RuleSetList getAssociationRules ()
     { return associationRules; }

   /**
    * sets the private LargeItemSets variable
    *
    * @param lis the new large itemset list
    */
   public void setLargeItemSets (ItemSetList lis)
     {largeItemSets=lis; }

   /**
    * get the private LargeItemSets variable
    */
   public ItemSetList getLargeItemSets ()
     { return largeItemSets; }

   /**
    * Returns the number of association rules.
    *
    * @return number of association rules
    */
   public int getNumberOfRules() {

      return associationRules.getSize();
   }

}