package?apriori;

import?java.io.*;

class?Apriori?{
	//?members
	double?minSup?minCon;?//?最小支持度，最小置信度
	double?deltaSup?deltaCon;
	int?minNum?num;?//?最小計數

	FastVector?fullSet;?//?從GetSource?class中，取得的全集（原始數據集）
	FastVector?frequence;?//?最大的頻繁集
	FastVector[]?children;?//?存放子集的FastVector數組，使用前需new
	FastVector?ruleSrc?ruleDest;?//?存放規則：源，目標；本身為big
	FastVector?confidence?support;//?特殊的FastVector，存放的是和rule對應的confidencesupport
	FastVector?test;?//?僅供測試

	public?Apriori（）?{
		minSup?=?0.2;
		minCon?=?0.4;
		minNum?=?2;
		ruleSrc?=?new?FastVector（）;
		ruleDest?=?new?FastVector（）;
		confidence?=?new?FastVector（）;?//?remember:special
		support?=?new?FastVector（）;?//?remember:special

	}

	//?methods
	public?void?WriteBig（FastVector?big）?//?僅供測試
			throws?FileNotFoundException?IOException?{?//?big
		FileOutputStream?fOut?=?new?FileOutputStream（“vector.txt“）;
		int?size1?=?big.size（）?size2;
		FastVector?temp;
		Item?item;
		for?（int?i?=?0;?i?			size2?=?（（FastVector）?（big.elementAt（i）））.size（）;
			for?（int?j?=?0;?j?				temp?=?（FastVector）?big.elementAt（i）;
				item?=?（Item）?temp.elementAt（j）;
				fOut.write（item.Key（））;
				fOut.write（‘‘）;
			}
			fOut.write（‘;‘）;
		}
	}

	public?void?Write（FastVector?vector）?//?僅供測試
			throws?FileNotFoundException?IOException?{?//?itemset
		FileOutputStream?fOut?=?new?FileOutputStream（“vector.txt“）;
		int?size1?=?vector.size（）;
		Item?item;

		for?（int?i?=?0;?i?			item?=?（Item）?vector.elementAt（i）;
			fOut.write（item.Key（））;
			fOut.write（‘?‘）;
		}
		fOut.write（‘;‘）;
	}

	public?void?Print（FastVector?vector）?//?僅供測試
	{?//?itemset
		int?size1?=?vector.size（）;
		Item?item;

		for?（int?i?=?0;?i?			item?=?（Item）?vector.elementAt（i）;
			System.out.print（item.Key（）?-?‘0‘）;
			System.out.print（‘?‘）;
		}
		System.out.println（‘?‘）;
	}

	public?void?PrintBig（FastVector?vector）?//?僅供測試
	{?//?big
		for?（int?i?=?0;?i?			Print（（FastVector）?vector.elementAt（i））;
			System.out.println（“?“）;
		}
	}

	public?void?PrintChildren（）?//?for?test?only
	{
		for?（int?i?=?0;?i?			PrintBig（children[i]）;
			System.out.println（“--------------------“）;
		}
	}

	public?void?PrintRules（）?//?for?test?only
	{
		for?（int?i?=?0;?i?			System.out.println（“---------?“?+?i?+?“?-----------“）;
			Print（（FastVector）?ruleSrc.elementAt（i））;
			System.out.println（“?“?+?“=>“?+?“????confidence?is:“
					+?（（Double）?confidence.elementAt（i））.toString（））;
			Print（（FastVector）?ruleDest.elementAt（i））;

		}
	}

	public?void?SetSup（double?sup）?{
		double?num?=?fullSet.size（）;?//?總itemsets數
		if?（sup?<=?1.0）
			minSup?=?sup;
		minNum?=?（int）?（（num?*?sup）?+?1.0）;
	}

	public?void?SetCon（double?con）?{
		if?（con?<=?1.0）
			minCon?=?con;
	}

	public?void?Init（String?str）?//?從文件?‘str‘中，初始化全集
			throws?IOException?FileNotFoun

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----

?????文件????????232??2009-04-02?21:23??apriori\.classpath

?????文件????????383??2009-04-02?21:23??apriori\.project

?????文件??????12976??2009-04-16?21:41??apriori\Apriori.jar

?????文件???????8499??2009-04-02?21:26??apriori\bin\apriori\Apriori.class

?????文件????????143??2009-04-02?21:32??apriori\bin\apriori\Copyable.class

?????文件???????1302??2009-04-02?21:32??apriori\bin\apriori\FastVector$FastVectorEnumeration.class

?????文件???????4233??2009-04-02?21:32??apriori\bin\apriori\FastVector.class

?????文件????????758??2009-04-02?21:25??apriori\bin\apriori\FileOpr.class

?????文件???????2415??2009-04-02?21:28??apriori\bin\apriori\GetSource.class

?????文件????????388??2009-04-02?21:25??apriori\bin\apriori\Item.class

?????文件????????662??2009-04-02?21:28??apriori\bin\apriori\MyApp$1.class

?????文件???????2274??2009-04-02?21:28??apriori\bin\apriori\MyApp.class

?????文件???????1656??2009-04-02?21:25??apriori\bin\apriori\Output.class

?????文件???????9978??2009-04-02?21:26??apriori\src\apriori\Apriori.java

?????文件???????1278??2009-04-02?21:32??apriori\src\apriori\Copyable.java

?????文件??????10584??2009-04-02?21:27??apriori\src\apriori\FastVector.java

?????文件????????418??2009-04-02?21:25??apriori\src\apriori\FileOpr.java

?????文件???????2438??2009-04-02?21:28??apriori\src\apriori\GetSource.java

?????文件????????188??2009-04-02?21:25??apriori\src\apriori\Item.java

?????文件???????1033??2009-04-02?21:28??apriori\src\apriori\MyApp.java

?????文件???????1164??2009-04-02?21:25??apriori\src\apriori\Output.java

?????目錄??????????0??2009-04-16?21:34??apriori\bin\apriori

?????目錄??????????0??2009-04-16?21:34??apriori\src\apriori

?????目錄??????????0??2009-04-16?21:34??apriori\bin

?????目錄??????????0??2009-04-16?21:34??apriori\src

?????目錄??????????0??2009-04-16?21:41??apriori

-----------?---------??----------?-----??----

????????????????63002????????????????????26