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Configuring R in Linux Environment

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1. Install R. For more information see The R Project for Statistical Computing. Installation instruction for each OS can be found here.

   Info
   This guide uses R version 3.2.2.

2. Issue the R command from a new terminal to check whether the R installation is  successful. The following log is displayed if the installation is successful.
   

3. Install JRI. For more information see Java/R Interface Documentation. 

   Info
   For Linux you can use 'apt-get install r-cran-rjava' command. This will install rJava into <R_Installation>/site-library/rJava/jri. This is the location you need to use as JRI_HOME

4. Set path accordingly for $R_HOME and $JRI_HOME 

   Code Block
   Eg: $R_HOME=/usr/lib/R $JRI_HOME=<Root folder>/usr/lib/R/x86_64-pc-linux-gnusite-library/3.2/rJava/jri

5. Add a symbolic link which acts as a pointer to link libjri.so file in rJava/jri/libjri.so  to the installation path of R

   Code Block
   Eg: ln -s /homeusr/ubuntulib/R/x86_64-pc-linux-gnu-library/3.2site-library/rJava/jri/libjri.so /usr/lib

6. Add following jar files which are inside jri installation (/usr/lib/R/site-library/rJava/jri) to <CARBON_HOME>/repository/components/lib

   Panel
   JRIEngine.jar JRI.jar REngine.jar