     public var yValueSum: Float { return _yValueSum }
     public var yMin: Float { return _yMin }
     public var yMax: Float { return _yMax }
-    public var label: String { return _label }
     
     public override init()
     {

        copy._yMax = _yMax;
        copy._yMin = _yMin;
        copy._yValueSum = _yValueSum;
        copy._label = _label;
        return copy;
    }
}

    {
        super.init();
        
        self.label = label;
        _yVals = yVals == nil ? [ChartDataEntry]() : yVals;
        
        // default color
