dataset.java

包含了模式识别中常用的一些分类器设计算法

/**
 * file: DataSet.java
 *
 * last edited: Ryan Irwin
 *
 */


// import necessary java libraries
//
import java.awt.*;
import java.util.*;

//These imports are not needed - Phil T. 6-23-03
//import javax.swing.border.*;
//import java.awt.event.*;
//import javax.swing.*;


/**
 * class that stores the point of the various decision regions computed
 *
 */
class DataSet {

    // *********************************************************************
    //
    // declare global variables and components
    //
    // *********************************************************************
    
    // declare global variables
    //
    public String name;              // name tag associated with the data set
    public Vector<MyPoint> points;   // samples associated with the data set
    public Color color;              // color associated with data set samples

    // ********************************************************************
    //
    // declare class constructors
    //
    // ********************************************************************
    /**
     * default class constructor
     *
     */
    DataSet() {

	// initialize the objects
	//
	name = new String();
	points = new Vector<MyPoint>();
    }

    /**
     * initializes the points included in the data set
     *
     * @param   vec Vector of points included in the data set
     *
     */
    DataSet(Vector<MyPoint> vec) {
	
	// initialize the variables
	//
	name = new String("none");
	points = vec;
    }

    /**
     * method: DataSet
     *
     * @param   nam name of the data set
     * @param   vec points included in the data set
     *
     * @return  none
     *
     * initializes the name and points included in the data set
     *
     */
    DataSet(String n, Vector<MyPoint> vec) {
	
	// initialize the variables
	//
	name = n;
	points = vec;
    }

    /**
     * initializes the name and a point to the decision region
     *
     * @param  n String name of the data set
     * @param  p MyPoint value of new decision region point
     */
    DataSet(String n, MyPoint p) {
	
	// initialize the variables
	//
	name = n;
	points = new Vector<MyPoint>();
	points.addElement(p);
    }

    // *********************************************************************
    //
    // declare class methods
    //
    // *********************************************************************
    /**
     * set the name of the data set
     *
     * @param  n data set name
     *
     */
    public void setName(String n) {
	name = n;
    }

    /**
     * retrieves the data set name
     *
     * return   data set name
     */
    public String getName() {
	return name;
    }

    /**
     * load a new data set
     *
     * @param   vec Vector of new data set
     *
     */
    public void loadDataSet(Vector<MyPoint> vec) {
	points = vec;
    }

    /**
     * clear the data set presently loaded
     *
     */
    public void clearDataSet() {
	points.removeAllElements();
    }

    /**
     * add a new point to the data set
     *
     * @param   p MyPoint variable to add
     *
     */
    public void addPoint(MyPoint p) {
	points.addElement(p);
    }

    /**
     * retrieves the point at a particular index
     *
     * @param  index index of the point
     *
     * @return  the indexed point
     *
     */
    public MyPoint getPointAt(int index) {
	return (MyPoint)points.elementAt(index);
    }

    /**
     * retrieves the point corresponding to the data set
     *
     * @return  point of the data set
     */
    public Vector<MyPoint> getDataSet() {
	return (Vector<MyPoint>)points;
    }

    /**
     * retrieves the size of the data set
     *
     * @return  data set size
     */
    public int dataSetSize() {
	return points.size();
    }
}