data.java

神经网络源代码,实现了一个BP神经网络,可以完成基于BP的神经网络算法.

package net.openai.ai.nn.parser;

import java.util.*;

public class Data {

    //  the column names for this data
    private Vector columnNames = null;

    //  rows of data
    private Vector rows = null;

    public Data() {
	columnNames = new Vector();
	rows = new Vector();
    }

    /**
     * Get the column names for this data.
     *
     * @return Vector List of column names for the data.
     */
    public Vector getColumnNames() {
	return columnNames;
    }

    /** 
     * Set the column names for this data.
     *
     * @param columnNames The list of column names for this data.
     */
    public void setColumnNames(Vector columnNames) {
	if(columnNames != null)
	    this.columnNames = columnNames;
    }

    /**
     * Add a column name to the list.
     *
     * @param columnName The name to add to the columns name list.
     */
    public void addColumnName(String columnName) {
	if(columnName != null)
	    columnNames.addElement(columnName);
    }

    /**
     * Get the rows of data.
     *
     * @return Vector The rows of data.
     */
    public Vector getRows() {
	return rows;
    }

    /**
     * Set the rows of data.
     *
     * @param rows The rows of data to be set.
     */
    public void setRows(Vector rows) {
	if(rows != null)
	    this.rows = rows;
    }

    /**
     * Add a single row of data.
     *
     * @param row The row of data to add.
     */
    public void addRow(Vector row) {
	if(row != null)
	    rows.addElement(row);
    }

    /**
     * Returns a String of the columns and the data.
     *
     * @return String String representation of this object.
     */
    public String toString() {
	String data = columnNames.toString() + "\n";
	int size = rows.size();
	for(int i = 0; i < size; i++) {
	    Vector row = (Vector) rows.elementAt(i);
	    data += row.toString() + "\n";
	}
	return data;
    }

}