RStudio

Labels: Informatics
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http://www.rstudio.org/

Using custom version JAVA

http://support.rstudio.org/help/discussions/problems/1061-r-shared-library-usrlocallibrliblibrso-not-found-ubuntu-11


http://www.rstudio.com/ide/docs/advanced/versions_of_r


1) Remove your current version of R and reinstall with the following command:

$ sudo apt-get install r-base

2) Install R again (with the above command) and then configure the RSTUDIO_WHICH_R environment variable to point to the newly installed version of R. Details of how to do this are described at the bottom of the following document:
http://www.rstudio.org/docs/advanced/versions_of_r




On Linux, RStudio uses the version of R pointed to by the output of the following command:

which R

The which command performs a search for the R executable using the system PATH. RStudio will therefore by default bind to the same version that is run when R is executed from a terminal.

For versions of R installed by system package managers (e.g. r-base on Debian or Ubuntu) this will be /usr/bin/R. For versions of R installed from source this will typically (but not always) be /usr/local/bin/R.

If RStudio is unable to locate R using which R, it will fall back to scanning explicitly for the R script in the /usr/local/bin and /usr/bin directories.
If you want to override which version of R is used then you can set the  

RSTUDIO_WHICH_R environment variable to the R executable that you want to run

against. For example:

export RSTUDIO_WHICH_R=/usr/local/bin/R

Not that in order for RStudio to see this environment variable when launched from the Ubuntu desktop Applications menu (as opposed to from a terminal) it must be defined in the ~/.profile file.


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Labels: Informatics