Mayo Clinic experts write and maintain biomedical statistics and informatics software packages. The software is free and available to the public. You can redistribute it or modify it under the terms of the GNU General Public License as published by the Free Software Foundation; either version 2 of the license, or (at your option) any later version.

This software is distributed with helpful intent, but without any warranty — without even the implied warranty of merchantability or fitness for a particular purpose. See the GNU General Public License for more details.

Please give credit where credit is due. If you use software tools from Mayo Clinic, please acknowledge the original contributor of the material.

Find downloadable quantitative health sciences software at and interactive apps at