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📄 averagevector.java

📁 一个很好的LIBSVM的JAVA源码。对于要研究和改进SVM算法的学者。可以参考。来自数据挖掘工具YALE工具包。
💻 JAVA
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/*
 *  YALE - Yet Another Learning Environment
 *  Copyright (C) 2001-2004
 *      Simon Fischer, Ralf Klinkenberg, Ingo Mierswa, 
 *          Katharina Morik, Oliver Ritthoff
 *      Artificial Intelligence Unit
 *      Computer Science Department
 *      University of Dortmund
 *      44221 Dortmund,  Germany
 *  email: yale-team@lists.sourceforge.net
 *  web:   http://yale.cs.uni-dortmund.de/
 *
 *  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., 59 Temple Place, Suite 330, Boston, MA 02111-1307
 *  USA.
 */
package edu.udo.cs.yale.tools.math;

import edu.udo.cs.yale.tools.ResultService;
import edu.udo.cs.yale.operator.ResultObjectAdapter;
import edu.udo.cs.yale.tools.LogService;
import edu.udo.cs.yale.operator.Operator; 

import java.util.ArrayList;
import java.util.Iterator;
import java.awt.Component;
import javax.swing.JLabel;

/** Handles several averagables. 
 * 
 *  @version $Id: AverageVector.java,v 1.4 2004/08/27 11:57:46 ingomierswa Exp $
 */
public abstract class AverageVector extends ResultObjectAdapter implements Comparable {
    
    private ArrayList averagesList = new ArrayList();

    protected abstract Object clone();

    /** Returns the number of averages in the list. */
    public int size() { return averagesList.size(); }
    
    /** Adds an {@link Averagable} to the list of criteria. */
    public void addAveragable(Averagable avg) {
	averagesList.add(avg);
    }

    /** Removes an {@link Averagable} from the list of criteria. */
    public void removeAveragable(Averagable avg) {
	averagesList.remove(avg);
    }

    /** Returns the Averagable by index. */
    public Averagable getAveragable(int index) {
	return (Averagable)averagesList.get(index);
    }

    /** Returns the Averagable by name. */
    public Averagable getAveragable(String name) {
	Iterator i = averagesList.iterator();
	while (i.hasNext()) {
	    Averagable a = (Averagable)i.next();
	    if (a.getName().equals(name)) return a;
	}
	return null;
    }

    public String toResultString() {
	String result = getName() + ":\n";
	Iterator i = averagesList.listIterator();
	while (i.hasNext()) {
	    result += ((Averagable)i.next()).toResultString()+"\n";
	}
	return result;
    }


    public String toString() {
	String result = "AverageVector [";
	for (int i = 0; i < size(); i++) {
	    Averagable avg = getAveragable(i);
	    if (i > 0) result += ", ";
	    result += avg;
	}
	return result + "]";
    }

//     protected Object clone() {
// 	AverageVector av = new AverageVector();
// 	Iterator i = averagesList.listIterator();
// 	while (i.hasNext()) {
// 	    Averagable avg = (Averagable)i.next();
// 	    av.addAveragable((Averagable)(avg).clone());
// 	}
// 	return av;
//     }

    public String toHTML() {
	String result = "<h1>"+getName()+"</h1><ol>";
	Iterator i = averagesList.listIterator();
	while (i.hasNext()) {
	    result += "<li>" + ((Averagable)i.next()).toHTML() + "</li>";
	}
	result += "</ol>";
	return result;
    }

    public Component getVisualisationComponent() {
	JLabel label = new JLabel("<html>"+toHTML()+"</html>");
	label.setFont(label.getFont().deriveFont(java.awt.Font.PLAIN));
	return label;
    }

    public void buildAverages(AverageVector av) {
	if (this.size() != av.size()) throw new IllegalArgumentException("Performance vectors have different size!");
	for (int i = 0; i < size(); i++)
	    this.getAveragable(i).buildAverage(av.getAveragable(i));
    }
}

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