Catalano.Statistics

Class HistogramStatistics

java.lang.Object

Catalano.Statistics.HistogramStatistics

public final class HistogramStatistics
extends java.lang.Object

Set of histogram statistics functions.

Method Summary

Modifier and Type	Method and Description
static double	Entropy(int[] values) Calculate entropy value.
static IntRange	GetRange(int[] values, double percent) Get range around median containing specified percentage of values.
static double	Kurtosis(int[] values) Calculate Kurtosis value.
static double	Kurtosis(int[] values, double mean, double stdDeviation) Calculate Kurtosis value.
static double	Mean(int[] values) Calculate Mean value.
static int	Median(int[] values) Calculate Median value.
static int	Mode(int[] values) Calculate Mode value.
static double	Skewness(int[] values) Calculate Skewness value.
static double	Skewness(int[] values, double mean, double stdDeviation) Calculate Skewness value.
static double	StdDev(int[] values) Calculate standart deviation.
static double	StdDev(int[] values, double mean) Calculate standart deviation.

Methods inherited from class java.lang.Object

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

Method Detail

Entropy

public static double Entropy(int[] values)

Calculate entropy value.

Parameters:

values - Values.

Returns:

Returns entropy value of the specified histogram array.

GetRange

public static IntRange GetRange(int[] values,
                                double percent)

Get range around median containing specified percentage of values.

Parameters:

values - Values.

percent - Values percentage around median.

Returns:

Returns the range which containes specifies percentage of values.

Kurtosis

public static double Kurtosis(int[] values)

Calculate Kurtosis value.

Parameters:

values - Values.

Returns:

Returns kurtosis value of the specified histogram array.

Kurtosis

public static double Kurtosis(int[] values,
                              double mean,
                              double stdDeviation)

Calculate Kurtosis value.

Parameters:

values - Values.

mean - Specified mean.

stdDeviation - Specified standard deviation.

Returns:

Returns kurtosis value of the specified histogram array.

Mean

public static double Mean(int[] values)

Calculate Mean value.

Parameters:

values - Values.

Returns:

Mean.

Median

public static int Median(int[] values)

Calculate Median value.

Parameters:

values - Values.

Returns:

Median.

Mode

public static int Mode(int[] values)

Calculate Mode value.

Parameters:

values - Values.

Returns:

Returns mode value of the histogram array.

Skewness

public static double Skewness(int[] values)

Calculate Skewness value.

Parameters:

values - Values.

Returns:

Returns skewness value of the specified histogram array.

Skewness

public static double Skewness(int[] values,
                              double mean,
                              double stdDeviation)

Calculate Skewness value.

Parameters:

values - Values.

mean - Specified mean.

stdDeviation - Specified standard deviation.

Returns:

Returns skewness value of the specified histogram array.

StdDev

public static double StdDev(int[] values)

Calculate standart deviation.

Parameters:

values - Values.

Returns:

Standart deviation.

StdDev

public static double StdDev(int[] values,
                            double mean)

Calculate standart deviation.

Parameters:

values - Values.

mean - Mean.

Returns:

Standart deviation.