pl.edu.icm.jlargearrays

Class LargeArrayStatistics

java.lang.Object

pl.edu.icm.jlargearrays.LargeArrayStatistics

public class LargeArrayStatistics
extends Object

Statistical operations on LargeArrays.

Author:

Piotr Wendykier (p.wendykier@icm.edu.pl)

Method Summary

Modifier and Type	Method and Description
static double	avg(LargeArray a) Mean value of a LargeArray.
static double	avgKahan(LargeArray a) Mean value of a LargeArray computed using Kahan algorithm.
static double	max(LargeArray a) Max value of a LargeArray.
static double	min(LargeArray a) Min value of a LargeArray.
static double	std(LargeArray a) Standard deviation value of a LargeArray.
static double	stdKahan(LargeArray a) Standard deviation value of a LargeArray computed using Kahan algorithm.
static double	sum(LargeArray a) Sum of all elements in a LargeArray.
static double	sumKahan(LargeArray a) Sum of all elements in a LargeArray computed using Kahan algorithm.

Methods inherited from class java.lang.Object

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

Method Detail

min

public static double min(LargeArray a)

Min value of a LargeArray.

Parameters:

a - input array

Returns:

min value

max

public static double max(LargeArray a)

Max value of a LargeArray.

Parameters:

a - input array

Returns:

max value

sum

public static double sum(LargeArray a)

Sum of all elements in a LargeArray.

Parameters:

a - input array

Returns:

sum

sumKahan

public static double sumKahan(LargeArray a)

Sum of all elements in a LargeArray computed using Kahan algorithm.

Parameters:

a - input array

Returns:

sum

avg

public static double avg(LargeArray a)

Mean value of a LargeArray.

Parameters:

a - input array

Returns:

mean value

avgKahan

public static double avgKahan(LargeArray a)

Mean value of a LargeArray computed using Kahan algorithm.

Parameters:

a - input array

Returns:

mean value

std

public static double std(LargeArray a)

Standard deviation value of a LargeArray.

Parameters:

a - input array

Returns:

standard deviation value

stdKahan

public static double stdKahan(LargeArray a)

Standard deviation value of a LargeArray computed using Kahan algorithm.

Parameters:

a - input array

Returns:

standard deviation value