@SuppressWarnings("unchecked")
	public static   float[][] restoreData(String findFromFile) {
		 float[][] dataSet = null;
		try {
			FileInputStream filein = new FileInputStream(findFromFile);
			ObjectInputStream objin = new ObjectInputStream(filein);
			try {
				dataSet = ( float[][]) objin.readObject();
			} catch (ClassCastException cce) {
				cce.printStackTrace();
			}
			objin.close();
		} catch (Exception ioe) {
			ioe.printStackTrace();
			System.out.println("NO resume: saver");
		}
		return dataSet;
	} // /////////// ////////////////////////////