public ExpDevBandUpper(DataSeries ds, int period, double deviations, bool useEMA, string description) public static ExpDevBandUpper Series(DataSeries ds, int period, double deviations, bool useEMA)public ExpDevBandLower(DataSeries ds, int period, double deviations, bool useEMA, string description) public static ExpDevBandLower Series(DataSeries ds, int period, double deviations, bool useEMA)