Re: [R] Probably with default library tree

From: Joshua Wiley <jwiley.psych_at_gmail.com>
Date: Sun, 02 Jan 2011 14:22:40 -0800

Hi Ben,

The documentation for ?.libPaths makes me think you might be able to get somewhere by setting the Windows environment variables R_LIBS and/or R_LIBS_USER. See also:
http://cran.r-project.org/bin/windows/base/rw-FAQ.html#Packages

Another option would be to create a user profile directly specify the library path there. You can do this by creating and customizing the Rprofile.site file or a .Rprofile file. See: http://cran.r-project.org/doc/manuals/R-intro.html#Customizing-the-environment

I suspect, though I do not know, that the alternate library path (which you do not want) was created because in Windows 7, the Program directory requires elevated privileges. If you installed R in a different directory (I typically use C:\R\), I think this problem might go away (it's also easier to type if you're running any R scripts etc. from the command prompt).

Cheers,

Josh

On Sun, Jan 2, 2011 at 11:35 AM, Chiquoine, Ben <BChiquoine_at_tiff.org> wrote:
> Hi,
>
>
>
> I just installed R on a new windows 7 machine and am having a probelm with the default libraries. The default libraries are not what I want them to be so when i say install.packages("XXX") the packages don't install where I want them to.  Ideally everything would install to the same location as the base packages. When I look at my library paths I get the following.
>
>
>
>> .libPaths()
> [1] "C:\\Users\\Ben\\Documents/R/win-library/2.12"
> [2] "C:/PROGRA~1/R/R-212~1.1/library"
>
>

>
> if I type
>
>
>
>> .libPaths(.libPaths()[2])
>
>> .libPaths()
> [1] "C:/PROGRA~1/R/R-212~1.1/library"
>
> This is what I want it to say and packages are now installed where I want them to be.  Unfortunately when I restar R, .libPaths() defaults back to the original two paths. So the real question is how do I permantly set my directory to be the one in which the base files are installed?
>
> Thanks in advance for your help!
>
>
>
> Ben
>
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-- 
Joshua Wiley
Ph.D. Student, Health Psychology
University of California, Los Angeles
http://www.joshuawiley.com/

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Received on Sun 02 Jan 2011 - 22:28:47 GMT

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