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RELEASE-NOTES.txt
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Apache Commons Statistics
Version 1.1
Release Notes
INTRODUCTION:
This document contains the release notes for the 1.1 version of Apache Commons Statistics.
The Apache Commons Statistics project provides tools for statistics.
Adds ranking, inference, descriptive and bom modules.
Contains the following modules:
commons-statistics-descriptive
commons-statistics-distribution
commons-statistics-inference
commons-statistics-ranking
commons-statistics-bom
Requires Java 8.
Changes in this version include:
New features:
o STATISTICS-88: "LogUniformDistribution": Add a log uniform distribution.
o STATISTICS-87: "FoldedNormalDistribution": Add a folded normal distribution implementation with
specialized support for a half-normal distribution.
o STATISTICS-85: Add a quantile and median implementation.
o STATISTICS-81: Add descriptive statistics for integer types. These allow improved accuracy and
performance for int and long data using an array or streams over using the
equivalent double implementation via primitive conversion.
o STATISTICS-71: Add commons-statistics-descriptive module for implementations of univariate
statistics. Contains base interfaces for statistics and implementations for
individual statistics (e.g. Min, Max, Sum, Mean, Variance) and combinations of
statistics. Thanks to Anirudh Joshi, Alex Herbert.
o STATISTICS-69: "UncoditionedExactTest": Add an unconditioned exact test for 2x2 contingency
tables.
o STATISTICS-70: "HypergeometricDistribution": Improve the summation used for the cumulative
probability functions.
o STATISTICS-66: Add a Bill of Materials (BOM) to aid in dependency management when referencing
multiple Apache Commons Statistics artifacts. The BOM should be used to ensure
all imported artifacts are compatible.
o STATISTICS-64: "FisherExactTest": Add Fisher's exact test for 2x2 contingency tables.
o STATISTICS-62: Add a commons-statistics-inference module for hypothesis testing. This ports and
updates functionality in org.apache.commons.math4.stat.inference including new
support for one-sided hypothesis testing.
o STATISTICS-63: Add a commons-statistics-ranking module for rank transformations. This ports and
updates functionality in org.apache.commons.math4.stat.ranking.
Historical list of changes: https://commons.apache.org/proper/commons-statistics/changes-report.html
For complete information on Apache Commons Statistics, including instructions on how to submit bug
reports, patches, or suggestions for improvement, see the Apache Commons Statistics website:
https://commons.apache.org/proper/commons-statistics/
Download page: https://commons.apache.org/proper/commons-statistics/download_statistics.cgi
=============================================================================
Apache Commons Statistics
Version 1.0
Release Notes
INTRODUCTION:
This document contains the release notes for the 1.0 version of Apache Commons Statistics.
The Apache Commons Statistics project provides tools for statistics.
This is the first release of Apache Commons Statistics.
Contains the following modules:
commons-statistics-distribution.
Requires Java 8.
No changes defined in this version.
Historical list of changes: https://commons.apache.org/proper/commons-statistics/changes-report.html
For complete information on Apache Commons Statistics, including instructions on how to submit bug
reports, patches, or suggestions for improvement, see the Apache Commons Statistics website:
https://commons.apache.org/proper/commons-statistics/
Download page: https://commons.apache.org/proper/commons-statistics/download_statistics.cgi