[R] Probably with default library tree

Joshua Wiley jwiley.psych at gmail.com
Sun Jan 2 23:22:40 CET 2011

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:

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:

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).



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

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