exampleset2dvisualizer.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。

/*
 *  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: [e-mail]
 *  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.gui;

import edu.udo.cs.yale.example.Attribute;
import edu.udo.cs.yale.example.ExampleSet;
import edu.udo.cs.yale.example.ExampleCharacterizer;
import edu.udo.cs.yale.ObjectVisualizer;

import java.awt.*;
import javax.swing.*;
import java.util.List;
import java.util.LinkedList;

public class ExampleSet2DVisualizer extends JPanel {

    private class ExamplePoint {
	private double x,y,value;
	private String id;
	public ExamplePoint(double x, double y, double value, String id) {
	    this.x     = x;
	    this.y     = y;
	    this.value = value;
	    this.id    = id;
	}
    }

    private ObjectVisualizer visualizer;
    private ExampleCharacterizer characterizer;
    private ExampleSet exampleSet;

    private List selectedPoints = new LinkedList();

    public ExampleSet2DVisualizer(ExampleSet exampleSet, ObjectVisualizer visualizer, ExampleCharacterizer characterizer) {
	this.exampleSet    = exampleSet;
	this.visualizer    = visualizer;
	this.characterizer = characterizer;
    }

    public void setXAxis(Attribute xAxis) {

    }
    public void setYAxis(Attribute yAxis) {

    }
    public void setValueAxis(Attribute valueAxis) {

    }

    /** Repaints the 2D map representation of the given example set with respect to the selected axes. */
    public void update() {
	// TODO: construct data
	// example set --> list of data points
	repaint();
    }

    // ================================================================================

    private List getExamplePoints() {
	// M + I (banal)
	return new LinkedList();
    }

    public ExampleSet getSelectedExamples() {
	// M + I (Partition)
	return null;
    }

    // ================================================================================

    /** Paints this component. */
    public void paint(Graphics2D g) {

    }    
}