output.java

用java实现的数据挖掘的关联规则的Apriori

// Decompiled by DJ v3.9.9.91 Copyright 2005 Atanas Neshkov  Date: 2007-5-16 21:09:32
// Home Page : http://members.fortunecity.com/neshkov/dj.html  - Check often for new version!
// Decompiler options: packimports(3) 
// Source File Name:   Output.java

import java.io.*;
import java.text.DecimalFormat;

class Output
{

    Output()
    {
    }

    public static void WriteRules(Apriori apriori)
        throws FileNotFoundException, IOException
    {
        FileWriter filewriter = new FileWriter("c:/out.txt");
        for(int i = 0; i < apriori.ruleSrc.size(); i++)
        {
            FastVector fastvector = (FastVector)apriori.ruleSrc.elementAt(i);
            for(int j = 0; j < fastvector.size(); j++)
            {
                int l = ((Item)fastvector.elementAt(j)).Key() - 17;
                filewriter.write(Apriori.TableHeader[l - 48]);
                filewriter.write(44);
            }

            filewriter.write(32);
            filewriter.write(61);
            filewriter.write(62);
            filewriter.write(32);
            fastvector = (FastVector)apriori.ruleDest.elementAt(i);
            for(int k = 0; k < fastvector.size(); k++)
            {
                int i1 = ((Item)fastvector.elementAt(k)).Key() - 17;
                filewriter.write(Apriori.TableHeader[i1 - 48]);
                filewriter.write(44);
            }

            filewriter.write(32);
            filewriter.write("\u7F6E\u4FE1\u5EA6", 0, 3);
            filewriter.write(58);
            filewriter.write(32);
            DecimalFormat decimalformat = new DecimalFormat("0.0000");
            String s = decimalformat.format((Double)apriori.confidence.elementAt(i));
            filewriter.write(s);
            filewriter.write("   ");
            filewriter.write("\u652F\u6301\u5EA6", 0, 3);
            filewriter.write(58);
            filewriter.write(32);
            s = decimalformat.format((Double)apriori.support.elementAt(i));
            filewriter.write(s);
            filewriter.write(13);
            filewriter.write(10);
        }

        filewriter.close();
    }

    public static void main(String args[])
    {
    }
}