[R] rjags cannot find JAGS-4.0.0

[David Winsemius]

> On Nov 27, 2015, at 11:27 AM, David Winsemius <dwinsemius at comcast.net> wrote:
> 
>> 
>> On Nov 26, 2015, at 4:59 PM, Margaret Donald <merricks.merricks at gmail.com> wrote:
>> 
>> 1. Despite being in R with administrative rights  the library "rjags" loads
>> in a temporary location.
>> 
>>> install.packages("rjags", dependencies=TRUE,
>> +       lib= "C:/Users/Margaret Donald/Documents/R/win-library/3.2")
>> trying URL 'https://cran.r-project.org/bin/windows/contrib/3.2/rjags_4-4.zip
>> '
>> Content type 'application/zip' length 525871 bytes (513 KB)
>> downloaded 513 KB
>> 
>> package ‘rjags’ successfully unpacked and MD5 sums checked
>> 
>> The downloaded binary packages are in
>>       C:\Users\Margaret
>> Donald\AppData\Local\Temp\RtmpMzv76s\downloaded_packages
> 
> That’s not an indication of an error. The installation process always does that.
> 
> 
>> #-----------------------------------------------------------------------------------------------------------------
>> 
>> 2. Cannot find JAGS-4.0.0 which is in C;\programs\JAGS\JAGS-4.0.0.  How do
>> I get R to see JAGS-4.0.0
> 
> You might try to use Sys.setenv to create a properly directed JAGS_HOME
> 
> Sys.setenv(JAGS_HOME=“C:\programs\JAGS\JAGS-4.0.0”)

Er ,,,, being a Mac user I forgot that this should have been (but I don’t really know whether `rjags` checks this environment variable, so am unsure if it was the correct notion in the first place)::

Sys.setenv(JAGS_HOME=“C:\\programs\\JAGS\\JAGS-4.0.0”)

Or:

Sys.setenv(JAGS_HOME=“C:/programs/JAGS/JAGS-4.0.0”)

— 
David.

> 
> (I corrected the semi-colon.) 
>>> library(rjags)
>> Error : .onLoad failed in loadNamespace() for 'rjags', details:
>> call: fun(libname, pkgname)
>> error: Failed to locate any version of JAGS version 4
>> 
>> The rjags package is just an interface to the JAGS library
>> Make sure you have installed JAGS-4.x.y.exe (for any x >=0, y>=0) from
>> http://www.sourceforge.net/projects/mcmc-jags/files
> 
> I’m was having a perhaps similar problem on a Mac. The binary version 3-15 of rjags installed today from CRAN was trying to access /usr/local/lib/libjags.3.dylib, but since I have installed JAGS version 4.0.1 installed from the SourceForge repository, there is no ligjags.3.dylib, but instead there was only a /usr/local/lib/libjags.4.dylib
> 
> 
> Going back to SourceForge and tracking down the older version of JAGS and installing version 3.4.0 was successful in getting rjags to load correctly. I suspect that with the release of JAGS v4 that there is some mismatch among the various editions of rjags and JAGS.
> 
> — 
> David
>> 
>> Error: package or namespace load failed for ‘rjags’
>>> library(R2jags)
>> Loading required package: rjags
>> Error : .onLoad failed in loadNamespace() for 'rjags', details:
>> call: fun(libname, pkgname)
>> error: Failed to locate any version of JAGS version 4
>> 
>> The rjags package is just an interface to the JAGS library
>> Make sure you have installed JAGS-4.x.y.exe (for any x >=0, y>=0) from
>> http://www.sourceforge.net/projects/mcmc-jags/files
>> 
>> Error: package ‘rjags’ could not be loaded
>>> 
>> 
>> Regards,
>> Margaret Donald
>> -- 
>> Margaret Donald
>> Post Doctoral researcher
>> University of New South Wales
>> margaret.donald at unsw.edu.au
>> 0405 834 550
>> 
>> 	[[alternative HTML version deleted]]
>> 
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> 
> David Winsemius
> Alameda, CA, USA
> 
> ______________________________________________
> R-help at r-project.org mailing list -- To UNSUBSCRIBE and more, see
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

David Winsemius
Alameda, CA, USA