[R] error when installing package after installing R-3.1.0 on windows

Uwe Ligges ligges at statistik.tu-dortmund.de
Tue Apr 15 15:16:48 CEST 2014

On 15.04.2014 03:25, Linda Peng wrote:
> Hi,
> I encountered following error" Warning in install.packages("xlsx") :   'lib = "C:/Program Files/R/R-3.1.0/library"' is not writable". This is right after I installed R-3.1.0 on windows after previous R-2.15.2 which is still existing.

If you want to install into that libvrary, you need administrator 
permissions, i.e. start R via right click and "Start as Administrator". 
Otehrwise install into a personal library.

Uwe Ligges

> I checked the folder permission and it doesn't have read-only set. Did anybody experienced the same or have suggestions what to check or fix?
> Thanks for the help,
> Linda
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