On 05/10/2010 8:58 AM, Dimitri Liakhovitski wrote:
Hello!
I've just installed R 2.11.1 on my new home PC. Just the base R. My PC
has Windows 7.
R was installed in C / Program Files (x86) / R - R-2.11.1
Then - through the menue - I went to Update packages, chose the mirror
and R detected the few packages that needed to be updated. After I
clicked on OK I got the following error message:
> update.packages(ask='graphics')
--- Please select a CRAN mirror for use in this session ---
Warning in install.packages(update[instlib == l, "Package"], l,
contriburl = contriburl, :
'lib = "C:/PROGRA~2/R/R-211~1.1/library"' is not writable
Error in install.packages(update[instlib == l, "Package"], l,
contriburl = contriburl, :
unable to install packages
I've tried several times, then uninstalled R and reinstalled it. Same problem.
Can it be because R is installed in Program Files (x86) and not in
Program Files (I have both folders)?
I think both have the same problem: Windows 7 won't let R write to
them. If you install R in your own file space, or you set up your own
library there, or you run R as an administrator when you want to install
packages, the problem should go away.
Duncan Murdoch
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