JAGS 4.1.0 is released

JAGS 4.1.0 was released at the weekend. The project page on Sourceforge has download links for the source, as well as binaries for Windows and Mac OS X.

This is a bug fix release. The main purpose was to fix some of the issues that arose in JAGS 4.0.0. Among these was a spurious warning about unused variables which confused a lot of people using the command line interface (This did not affect the R interfaces). Further improvements been made to the error messages about undefined variables and directed cycles. I have to thank users of the JAGS forums on Sourceforge for bringing problems to my attention.

So what’s next? I plan to continue working on the 4.x.y series for some time and my three priorities are

  1. Documentation
  2. Finalizing the glm module (and loading it by default)
  3. Optimization

So I will be pushing further releases as and when I reach milestones for these goals.


3 thoughts on “JAGS 4.1.0 is released

  1. I’m not having any luck with any of the versions of JAGS (4.0.0, 4.0.1 or 4.1.0). I have a Mac running 10.10.5, I downloaded and installed this version, installed the rjags package from CRAN, and get the following message.

    Error : .onLoad failed in loadNamespace() for ‘rjags’, details:
    call: load.module(“basemod”, quiet = TRUE)
    error: File not found: /usr/local/lib/JAGS/modules-3/basemod.so
    In addition: Warning message:
    package ‘rjags’ was built under R version 3.1.3
    Error: package or namespace load failed for ‘rjags’

    Any help is appreciated….

    • The binary packages provided by CRAN for Mac OS X are out of date because the CRAN build server does not have an up to date copy of JAGS (See error log). This is out of my hands. You can download a binary package from Sourceforge or you can set up your R installation on Mac OS X to install packages from source.

      • OK, I seem to have gotten it straightened out.
        The last issues was that I was running an older version of R (3.1.1) instead of the latest build.
        Thank you very much!

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