Licensing of pqR and related software

The modifications made to the source of R-2.15.0 to create pqR are Copyright (C) 2013, 2014, 2015, 2016 by Radford M. Neal.

pqR as a whole is licensed under GPL version 2 or 3. Some modules have different licenses compatible with this. See the file doc/COPYRIGHTS in the pqR source directory for details.

Details of some licenses relevant to pqR

The "GNU Affero General Public License" version 3
The "Artistic License" version 2.0
The "BSD 2-clause License"
The "BSD 3-clause License"
The "GNU General Public License" version 2
The "GNU General Public License" version 3
The "GNU Library General Public License" version 2
The "GNU Lesser General Public License" version 2.1
The "GNU Lesser General Public License" version 3
The "MIT License"