The Apache Commons Math Library

The Apache Software Foundation is an American non-profit corporation that supports open source software projects written by volunteers. It includes a vast number of projects in widely diverse fields (see One part of this collection is called Apache Commons, consisting of various Java libraries. These can be downloaded from

We used the Apache Commons Math Library in Chapter 6, Regression Analysis. Here are the steps to follow to use it in your NetBeans projects:

  1. Download either the tar.gz file or the .zip file of the most recent version (3.6.1, as of August, 2017) of the commons-math archive file from: ...

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