Class TimeseriesSavitzkyGolay

  • All Implemented Interfaces:
    CleanUpHandler, Destroyable, GlobalInfoSupporter, LoggingLevelHandler, LoggingSupporter, OptionHandler, ShallowCopySupporter<Filter>, SizeOfHandler, TechnicalInformationHandler, Filter<Timeseries>, Serializable, Comparable

    public class TimeseriesSavitzkyGolay
    extends AbstractSavitzkyGolay<Timeseries>
    A filter that applies Savitzky-Golay smoothing.

    For more information see:

    A. Savitzky, Marcel J.E. Golay (1964). Smoothing and Differentiation of Data by Simplified Least Squares Procedures. Analytical Chemistry. 36:1627-1639.

    William H. Press, Saul A. Teukolsky, William T. Vetterling, Brian P. Flannery (1992). Savitzky-Golay Smoothing Filters.

        author = {A. Savitzky and Marcel J.E. Golay},
        journal = {Analytical Chemistry},
        pages = {1627-1639},
        title = {Smoothing and Differentiation of Data by Simplified Least Squares Procedures},
        volume = {36},
        year = {1964},
        HTTP = {}
        author = {William H. Press and Saul A. Teukolsky and William T. Vetterling and Brian P. Flannery},
        chapter = {14.8},
        edition = {Second},
        pages = {650-655},
        publisher = {Cambridge University Press},
        series = {Numerical Recipes in C},
        title = {Savitzky-Golay Smoothing Filters},
        year = {1992},
        PDF = {}

    Valid options are:

    -logging-level <OFF|SEVERE|WARNING|INFO|CONFIG|FINE|FINER|FINEST> (property: loggingLevel)
        The logging level for outputting errors and debugging output.
        default: WARNING
    -polynomial <int> (property: polynomialOrder)
        The polynomial order to use, must be at least 2.
        default: 2
        minimum: 2
    -derivative <int> (property: derivativeOrder)
        The order of the derivative to use, >= 0.
        default: 1
        minimum: 0
    -left <int> (property: numPointsLeft)
        The number of points left of a data point, >= 0.
        default: 3
        minimum: 0
    -right <int> (property: numPointsRight)
        The number of points right of a data point, >= 0.
        default: 3
        minimum: 0
    fracpete (fracpete at waikato dot ac dot nz)
    See Also:
    Serialized Form
    • Constructor Detail

      • TimeseriesSavitzkyGolay

        public TimeseriesSavitzkyGolay()
    • Method Detail

      • getValue

        protected double getValue​(DataPoint point)
        Returns the X-value of the DataPoint.
        Specified by:
        getValue in class AbstractSavitzkyGolay<Timeseries>
        point - the point to get the X-Value from
        the X-value
      • newDataPoint

        protected DataPoint newDataPoint​(DataPoint oldPoint,
                                         double x)
        Creates a new DataPoint based on the old one and the new X value.
        Specified by:
        newDataPoint in class AbstractSavitzkyGolay<Timeseries>
        oldPoint - the old DataPoint
        x - the new X value
        the new DataPoint