G'day,

I've developed a Java application that uses JRI to make use of the ptw package: http://cran.r-project.org/web/packages/ptw/index.html

On Linux (Ubuntu 10.04, R 2.10.1, JRI 0.5.0) it works fine.

However, on Vista (R 2.12.0, JRI 0.5.0) when the application evaluates "library(ptw)" the following error occurs:

Error in library(ptw) : object 'ptw' not found

When I run R from the Vista command-line and issue the "library(ptw)" command there is no problem.

If I copy the ptw package from my %USER_HOME%\Documents\R\win-library to %R_HOME%\library then the problem goes away. However, I don't want my users to have to do this, in fact, some might not have permission to do so.

Therefore, how can I get JRI to invoke an R-Engine that has access to packages that the user has installed in their %USER_HOME%\Documents\R\win-library?

Thanks,
Chris.

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