Package org.djutils.stats.summarizers

Class TallyTest

java.lang.Object

org.djutils.stats.summarizers.TallyTest

public class TallyTest
extends Object

The TallyTest test the tally.

Copyright (c) 2002-2023 Delft University of Technology, Jaffalaan 5, 2628 BX Delft, the Netherlands. All rights reserved. See for project information https://simulation.tudelft.nl. The DSOL project is distributed under a three-clause BSD-style license, which can be found at https://simulation.tudelft.nl/dsol/3.0/license.html.

Author:

Peter Jacobs , Peter Knoppers

Constructor Summary

Constructors

Constructor	Description
TallyTest()

Method Summary

Modifier and Type	Method	Description
(package private) double	generateGaussianNoise(double mu, double sigma, Random random)	Generate normally distributed values.
void	testFullStorageAccumulator()	Test the FullStorageAccumulator.
void	testKurtWikipedia()	Test the kurtosis example from https://en.wikipedia.org/wiki/Kurtosis where we assumed that the example for sample kurtosis actually calculates population kurtosis (!).
void	testNoStorageAccumulator()	Test Tally with the NoStorageAccumulator.
void	testSkewKurtExcel()	Test skewness and kurtosis based on two Excel samples.
void	testSkewnessAndKurtosis()	Test skewness and kurtosis.
void	testTally()	Test the tally.
void	testTDigestAccumulator()	Test the T-Digest accumulator.

Methods inherited from class java.lang.Object

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

Constructor Detail

TallyTest

public TallyTest()

Method Detail

testTally

public void testTally()

Test the tally.

testKurtWikipedia

public void testKurtWikipedia()

Test the kurtosis example from https://en.wikipedia.org/wiki/Kurtosis where we assumed that the example for sample kurtosis actually calculates population kurtosis (!).

testSkewKurtExcel

public void testSkewKurtExcel()

Test skewness and kurtosis based on two Excel samples.

testNoStorageAccumulator

public void testNoStorageAccumulator()

Test Tally with the NoStorageAccumulator.

testFullStorageAccumulator

public void testFullStorageAccumulator()

Test the FullStorageAccumulator.

generateGaussianNoise

double generateGaussianNoise(double mu,
                             double sigma,
                             Random random)

Generate normally distributed values. Derived from https://en.wikipedia.org/wiki/Box%E2%80%93Muller_transform

Parameters:

mu - double; mean

sigma - double; standard deviation

random - Random; entropy source

Returns:

double; one pseudo random value

testTDigestAccumulator

public void testTDigestAccumulator()

Test the T-Digest accumulator.

testSkewnessAndKurtosis

public void testSkewnessAndKurtosis()

Test skewness and kurtosis. Test data from http://web.ipac.caltech.edu/staff/fmasci/home/astro_refs/SkewStatSignif.pdf