de.fhkoeln.zra.statix.data
Class StatCustomSequence

java.lang.Object
  |
  +--de.fhkoeln.zra.statix.data.StatCustomSequence

All Implemented Interfaces:

StatSequence

public class StatCustomSequence

extends Object

implements StatSequence

Author:

knaufax

Nested Class Summary

private class

StatCustomSequence.DoubleArrayEnumeration

Field Summary

private double	avg
private int	count
private Double[]	data
private Integer	firstIndex
private double	stddev
private double	sum
private double	variance

Constructor Summary

StatCustomSequence(double[] data)

StatCustomSequence(Double[] data)

Method Summary

private void	calculateValues() Method calculateValues.
private Double[]	double2Double(double[] timeSequence)
double	getAverage()
double	getCorrelationCoefficient(StatSequence other)
int	getCount()
Double[]	getDataAsArray() return all the Pairs as array
double	getLinearRegressionForecast(int in) returns a forecast-value for in using linear regression
double	getMAE() return the mean absolute error:
Double	getMax()
double	getMedian()
Double	getMin()
double	getMSE() returns the mean squared error
double	getRMSE() returns the root of mean squared error
double	getStandardDeviation()
double	getSum()
double	getSumOfSquares() returns the sum of squares
Enumeration	getTimeSequence() returns an java.util.Enumeration which iterates over all Pairs
double	getVariance()
String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

data

private Double[] data

sum

private double sum

variance

private double variance

stddev

private double stddev

avg

private double avg

count

private int count

firstIndex

private Integer firstIndex

Constructor Detail

StatCustomSequence

public StatCustomSequence(double[] data)

StatCustomSequence

public StatCustomSequence(Double[] data)

Method Detail

calculateValues

private void calculateValues()

Method calculateValues. Beerechnet alle werte.

double2Double

private Double[] double2Double(double[] timeSequence)

getTimeSequence

public Enumeration getTimeSequence()

Description copied from interface: StatSequence

returns an java.util.Enumeration which iterates over all Pairs

Specified by:

getTimeSequence in interface StatSequence

Returns:

an enumeration for all pairs

getDataAsArray

public Double[] getDataAsArray()

Description copied from interface: StatSequence

return all the Pairs as array

Specified by:

getDataAsArray in interface StatSequence

Returns:

the Pair-array

getVariance

public double getVariance()

Specified by:

getVariance in interface StatSequence

getStandardDeviation

public double getStandardDeviation()

Specified by:

getStandardDeviation in interface StatSequence

getSum

public double getSum()

Specified by:

getSum in interface StatSequence

getAverage

public double getAverage()

Specified by:

getAverage in interface StatSequence

getCount

public int getCount()

Specified by:

getCount in interface StatSequence

getMax

public Double getMax()

Specified by:

getMax in interface StatSequence

getMin

public Double getMin()

Specified by:

getMin in interface StatSequence

getMedian

public double getMedian()

Specified by:

getMedian in interface StatSequence

toString

public String toString()

Overrides:

toString in class Object

getMAE

public double getMAE()

return the mean absolute error:

Specified by:

getMAE in interface StatSequence

getMSE

public double getMSE()

returns the mean squared error

Specified by:

getMSE in interface StatSequence

getRMSE

public double getRMSE()

returns the root of mean squared error

Specified by:

getRMSE in interface StatSequence

getSumOfSquares

public double getSumOfSquares()

returns the sum of squares

Specified by:

getSumOfSquares in interface StatSequence

getCorrelationCoefficient

public double getCorrelationCoefficient(StatSequence other)

Specified by:

getCorrelationCoefficient in interface StatSequence

getLinearRegressionForecast

public double getLinearRegressionForecast(int in)

returns a forecast-value for

in

using linear regression

Specified by:

getLinearRegressionForecast in interface StatSequence