jstats
Class Correlation

java.lang.Object
  jstats.Correlation

public class Correlation

extends java.lang.Object

Author:

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Constructor Summary

Correlation()

Method Summary

static double	coefficient(double[] x, double[] y) Computes the coefficient of correlation for sample or population data.
static double	fisherZTransformation(double coefficient)
static double	fisherZTransformation(double[] x, double[] y)
static double	multipleCorrelationCoefficient()
static double	normalCorrelation(double[] x, double[] y, double p)

Methods inherited from class java.lang.Object

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

Constructor Detail

Correlation

public Correlation()

Method Detail

coefficient

public static double coefficient(double[] x,
                                 double[] y)
                          throws StatisticException

Computes the coefficient of correlation for sample or population data.

Parameters:

x -

y -

Returns:

the coeffecient of x and y

Throws:

StatisticException

fisherZTransformation

public static double fisherZTransformation(double[] x,
                                           double[] y)
                                    throws StatisticException

Throws:

StatisticException

fisherZTransformation

public static double fisherZTransformation(double coefficient)
                                    throws StatisticException

Throws:

StatisticException

normalCorrelation

public static double normalCorrelation(double[] x,
                                       double[] y,
                                       double p)
                                throws StatisticException

Throws:

StatisticException

multipleCorrelationCoefficient

public static double multipleCorrelationCoefficient()