@Override
	public Object getValueAt(int row, int col) {
		Counter counter = perfLogData.getCounterList()[row];
		Object value = "";
		switch (col) {
		case -1:
			return counter;
		case 1:
			value = counter.getGroup();
			break;
		case 2:
			value = counter.getMeasurement();
			break;
		case 3:
			value = counter.getCounterStats().samples;
			break;
		case 4:
			value = counter.getCounterStats().minimum;
			break;
		case 5:
			value = counter.getCounterStats().average;
			break;
		case 6:
			value = counter.getCounterStats().maximum;
			break;	
		case 7:
			value = counter.getCounterStats().stdDeviation;
			break;	
		}
		return value;
	}