What is JAGS?
JAGS is Just Another Gibbs Sampler. It is a program for analysis
of Bayesian hierarchical models using Markov Chain Monte Carlo (MCMC)
simulation not wholly unlike BUGS.
three aims in mind:
JAGS is licensed under the GNU General Public
License. You may freely modify and redistribute it under certain
conditions (see the file COPYING for details).
- To have a cross-platform engine for the BUGS language
- To be extensible, allowing users to write their own functions,
distributions and samplers.
- To be a plaftorm for experimentation with ideas in Bayesian
The JAGS NEWS blog
been launched. If you want to be kept informed of updates to
JAGS, then subscribe to the RSS news feed.
The latest release is JAGS 3.3.0. It was released on October 2
To download JAGS, please visit the files page
of the mcmc-jags project at sourceforge. You will find the source
for JAGS there as well as binary packages for Mac OS X (Thanks to Bill
Northcott) and Windows.
Binaries for Linux are distributed separately. There are packages
distributions (RHEL 5; OpenSuSE 10, 11; SLES 9, CentOS 5,6)
Vilhuber), Debian and
the development version of Ubuntu (Thanks to
Dirk Eddelbuettel). You can track the current status of the
Debian packages here.
repository for older versions of Ubuntu is provided by Michael
Daniel Meliza also maintains a port of JAGS on MacPorts.
The JAGS source code is hosted on a Mercurial repository at
you want to keep track of the development version, you can find
downloading instructions here.
Older releases of JAGS are available here.
Last updated 26 April 2013.