Programming Language
The source code of OpenBUGS is written in the Component Pascal programming language and is dependent on the Component Pascal libraries provided by Oberon Microsystems as part of the Blackbox Component Framework. The development tools are available as open source. The compilation of OpenBUGS is straightforward for Windows, but less well documented for Linux. Installation problems, development and usage questions are discussed at the OpenBUGS Bulletin Board.
Attempts to port OpenBUGS to Java with the Gardens Point Component Pascal were given up in favor of a new portable implementation called JAGS.
The BUGS language is the language that specifies the model code. It is parsed by OpenBUGS, which then creates an executable (compiled code) that generates a sample from the posterior distribution when run.
OpenBUGS was designed to run together with S-Plus and the BUGS language is similar to the S programming language. OpenBUGS works well together with R; the BRugs module provides some interoperability, and R modules help further analyses.
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