[R] Which JAGS interface to use?

Frank E Harrell Jr f.harrell at vanderbilt.edu
Wed Oct 7 21:40:53 CEST 2009


We use it on Linux - here's our how-to: 
http://biostat.mc.vanderbilt.edu/JAGSInstallExample

Frank


Kevin Wright wrote:
> Frank (or anyone else), can you offer any comments comparing runjags, 
> R2jags, rjags ?
> 
> I couldn't find any vignettes, nothing except a brief mention on Task Views.
> 
> Kevin
> 
> 
> On Wed, Oct 7, 2009 at 7:48 AM, Frank E Harrell Jr 
> <f.harrell at vanderbilt.edu <mailto:f.harrell at vanderbilt.edu>> wrote:
> 
>     Have you tried the rjags package which uses the jags system?  It is
>     much more integrated into R and works quite well.  It uses the same
>     modeling language as BUGS.  It is also better supported than OpenBUGS.
> 
>     Frank
> 
> 
>     Bill Halteman wrote:
> 
>         Hi All,
> 
>          I am trying to figure out how to use R-Coda with the output
>         from OpenBugs. I have installed and loaded the packages BRugs
>         and R2WinBUGS.  I have successfully run a simple Bayes model in
>         WinBUGS using R2WinBUGS' "bugs" and have used "read.bugs" to
>         build the coda object.  I can successfully switch to OpenBugs
>         and run the same model and get the basic summary back.  However,
>         I cannot build the coda object.  From what I have read
>         "read.openbugs" should do the trick.  However, I have discovered
>         the current version of OpenBUGS (v 3.03) doesn't write any
>         output files in spite of setting codaPkg=TRUE in the "bugs"
>         call.  "Str(openbugs.object)" reveals a large collection of
>         elements, one of which is an array that contains the MCMC
>         chains.  Is there a function to build the coda object?
> 
>         Thanks in advance for any suggestions,
> 
>         Bill Halteman
> 
> 
>     -- 
>     Frank E Harrell Jr   Professor and Chair           School of Medicine
>                         Department of Biostatistics   Vanderbilt University
> 
> 
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> 
> 


-- 
Frank E Harrell Jr   Professor and Chair           School of Medicine
                      Department of Biostatistics   Vanderbilt University




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