org.hawkular.datamining.forecast.utils

Class AdditiveSeasonalDecomposition

java.lang.Object

org.hawkular.datamining.forecast.utils.AdditiveSeasonalDecomposition

All Implemented Interfaces:

TimeSeriesDecomposition

public class AdditiveSeasonalDecomposition
extends Object
implements TimeSeriesDecomposition

Additive time series decomposition

Author:

Pavol Loffay

Constructor Summary

Constructors

Constructor and Description
AdditiveSeasonalDecomposition(List<DataPoint> points, int periods)

Method Summary

Modifier and Type	Method and Description
double[]	decompose()
List<DataPoint>	random()
List<DataPoint>	seasonal()
List<DataPoint>	trend()

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AdditiveSeasonalDecomposition

public AdditiveSeasonalDecomposition(List<DataPoint> points,
                                     int periods)

Method Detail

decompose

public double[] decompose()

Specified by:

decompose in interface TimeSeriesDecomposition

Returns:

Seasonal indices

seasonal

public List<DataPoint> seasonal()

Specified by:

seasonal in interface TimeSeriesDecomposition

Returns:

seasonal component

random

public List<DataPoint> random()

Specified by:

random in interface TimeSeriesDecomposition

Returns:

random component

trend

public List<DataPoint> trend()

Specified by:

trend in interface TimeSeriesDecomposition

Returns:

trend component