Class StatisticsUtil

java.lang.Object

com.bluebell.greenhouse.platform.util.math.StatisticsUtil

public final class StatisticsUtil
extends Object

Shared statistical utility methods for collection-based numeric analysis.

Version:

2.0.4

Author:

Stephen Prizio

Method Summary

Modifier and Type	Method	Description
static double	kurtosis(List<Double> values)	Computes kurtosis.
static double	mean(List<Double> values)	Computes the arithmetic mean.
static double	meanAbsolute(List<Double> values)	Computes the mean absolute value.
static double	median(List<Double> values)	Computes the median.
static double	skewness(List<Double> values)	Computes skewness.
static double	standardDeviation(List<Double> values)	Computes the population standard deviation.

Methods inherited from class Object

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

Method Details

mean

public static double mean(List<Double> values)

Computes the arithmetic mean.

Parameters:

values - values

Returns:

mean

meanAbsolute

public static double meanAbsolute(List<Double> values)

Computes the mean absolute value.

Parameters:

values - values

Returns:

absolute mean

median

public static double median(List<Double> values)

Computes the median.

Parameters:

values - values

Returns:

median

standardDeviation

public static double standardDeviation(List<Double> values)

Computes the population standard deviation.

Parameters:

values - values

Returns:

standard deviation

skewness

public static double skewness(List<Double> values)

Computes skewness.

Parameters:

values - values

Returns:

skewness

kurtosis

public static double kurtosis(List<Double> values)

Computes kurtosis.

Parameters:

values - values

Returns:

kurtosis