[R] Problems installing and updating packages for 2.1.0 on Windows 2000

[Duncan Murdoch]

Greg Blevins wrote:
> Hello,
> 
> I am running R 2.1.0 on Windows 2000.
> 
> When I attempt to install or update packages, regardless of whether I use the menu or command line, I get the following error.
> 
> 
>>utils:::chooseCRANmirror()
>>utils:::menuInstallPkgs()
> 
> Warning message:
> unable to connect to 'cran.cnr.Berkeley.edu' on port 80. 
> Warning: unable to access index for repository http://cran.cnr.Berkeley.edu/bin/windows/contrib/2.1
> Warning message:
> unable to connect to 'www.stats.ox.ac.uk' on port 80. 
> Warning: unable to access index for repository http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.1
> Error in install.packages(NULL, .libPaths()[1], dependencies = TRUE, type = type) : 
>         no packages were specified
> 
> I have uninstalled and reinstalled R 2.1.0 to no avail.  I read through the recent treads on similar problems, but if an answer to my problem we given, I missed it.

It sounds as though you need to configure a proxy for Internet access. 
See the discussion in the R for Windows FAQ (which gives other 
possibilities too).

Duncan Murdoch