/***********************************************************************

	This file is part of JavaNPST, a Java library of NonParametric
	Statistical Tests.

	Copyright (C) 2011
	
	J. Derrac (jderrac@decsai.ugr.es)
	S. Garcia (sglopez@ujaen.es)
	F. Herrera (herrera@decsai.ugr.es)

	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 3 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, see http://www.gnu.org/licenses/
  
**********************************************************************/

package javanpst.data.structures.dataTable;

import java.util.Arrays;
import javanpst.data.DataDefinitions;
import javanpst.data.readers.tabularDataReaders.TabularDataCSVReader;
import javanpst.data.readers.tabularDataReaders.TabularDataTXTReader;
import javanpst.data.readers.tabularDataReaders.TabularDataXMLReader;
import javanpst.data.writers.tabularDataWriters.TabularDataCSVWriter;
import javanpst.data.writers.tabularDataWriters.TabularDataTXTWriter;
import javanpst.data.writers.tabularDataWriters.TabularDataXMLWriter;

/**
 * A general purpose data table.
 * 
 * Support null values treatment.
 * 
 * @author Joaqu�n Derrac Rus (jderrac@decsai.ugr.es)
 * @version 1.0
 */
public class DataTable{

	/**
	 * Contents of the table
	 */
	private double body[][];
	
	/**
	 * Null values representation (true = null, false = not null)
	 */
	private boolean nulls [][];


	/**
	 * Default builder
	 */
	public DataTable(){
		
		body=new double [0][0];
		nulls=new boolean [0][0];
		
	}//end-method
	
	/**
	 * Builder. Built a new table from a data matrix
	 * 
	 * Both matrixes must have the same dimensions, else
	 * a void table is created
	 * 
	 * @param data contents of the table
	 */
	public DataTable(double data[][]){
	
		body=new double [data.length][data[0].length];
		nulls=new boolean [data.length][data[0].length];
		
		for(int i=0;i