org.apache.commons.math.stat.correlation
Class StorelessBivariateCovariance

java.lang.Object
  org.apache.commons.math.stat.correlation.StorelessBivariateCovariance

public class StorelessBivariateCovariance
extends java.lang.Object

Bivariate Covariance implementation that does not require input data to be stored in memory.

Since:

3.0

Version:

$Id: StorelessBivariateCovariance.java 1178235 2011-10-02 19:43:17Z luc $

Constructor Summary

StorelessBivariateCovariance()

StorelessBivariateCovariance(boolean biasCorrected)

Method Summary

double	getN()
double	getResult()
void	increment(double x, double y)

Methods inherited from class java.lang.Object

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

Constructor Detail

StorelessBivariateCovariance

public StorelessBivariateCovariance()

StorelessBivariateCovariance

public StorelessBivariateCovariance(boolean biasCorrected)

Method Detail

increment

public void increment(double x,
                      double y)

getN

public double getN()

getResult

public double getResult()
                 throws java.lang.IllegalArgumentException

Throws:

java.lang.IllegalArgumentException