[R] Windows GUI package install annoyance

[Uwe Ligges]

Berton Gunter wrote:

> Folks:
> 
> A minor (R 2.2.0) Windows package install annoyance, but I can't figure out
> how to fix it. If someone could tell me how or point me to the appropriate
> docs, I would appreciate it. 
> 
> I set my CRAN mirror in my Rprofile.site file. After startup, I get:
> 
> 
>>getOption('repos')
> 
>                           CRAN 
> "http:/cran.cnr.berkeley.edu/" 
> 
> 
> However, when I then go to the GUI "Packages" menu item and click on
> "Install packages..." I get:
> 
> 
>>utils:::menuInstallPkgs()
> 
> Warning: unable to access index for repository
> http:/cran.cnr.berkeley.edu/bin/windows/contrib/2.2
> Error in install.packages(NULL, .libPaths()[1], dependencies = TRUE, type =
> type) : 
>         no packages were specified
> 
> 
> However, If I now manually set my mirror (through the menu: "Set Cran
> mirror" item, which invokes chooseCRANmirror()) , and now check my repos
> option, I get again:
> 
> 
>>getOption('repos')
> 
>                           CRAN 
> "http://cran.cnr.Berkeley.edu" 
> 
> 
> ## but now the "install packages.." menu choice works! 
> Is there an easy way to avoid having to manually re-specify my CRAN mirror?

Yes: do not omit the second "/" after "http:" in 
"http://cran.cnr.berkeley.edu/" .....

Uwe Ligges


> My apologies for wasted bandwidth if I have overlooked something obvious,
> which I believe is the case.
> 
> Many thanks.
> 
> -- Bert
> 
> Bert Gunter
> Genentech
> 
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