de.fhkoeln.zra.statix.data
Interface StatSequence
- All Known Implementing Classes:
- StatCustomSequence
- public interface StatSequence
- Author:
- knaufax
An object which represents a time sequence of data should implement this interface.
Every object of this kind knows how to calculate special parameters, such as
its standard deviation, variance, sum and average.
date of last change: 2003-06-06
getTimeSequence
public Enumeration getTimeSequence()
- returns an java.util.Enumeration which iterates over all Pairs
- Returns:
- an enumeration for all pairs
getDataAsArray
public Double[] getDataAsArray()
- return all the Pairs as array
- Returns:
- the Pair-array
getVariance
public double getVariance()
getStandardDeviation
public double getStandardDeviation()
getSum
public double getSum()
getSumOfSquares
public double getSumOfSquares()
getAverage
public double getAverage()
getCount
public int getCount()
getMax
public Double getMax()
getMin
public Double getMin()
getMedian
public double getMedian()
getMAE
public double getMAE()
getMSE
public double getMSE()
getRMSE
public double getRMSE()
getLinearRegressionForecast
public double getLinearRegressionForecast(int in)
getCorrelationCoefficient
public double getCorrelationCoefficient(StatSequence s)