[R-SIG-Mac] Problem using the R.app GUI Package Installer

Duncan Murdoch murdoch.duncan at gmail.com
Thu Sep 29 00:13:15 CEST 2016

On 28/09/2016 5:26 PM, Joseph Kunkel wrote:
> I got this error message working under R version 3.3.0  trying to use the Mac [R.app GUI 1.68 (7238) x86_64-apple-darwin13.4.0]  Packages & Data/ Package Installer
> R error message:
> Warning: unable to access index for repository http://cran.at.r-project.org/bin/macosx/mavericks/contrib/3.3:  cannot open URL 'http://cran.at.r-project.org/bin/macosx/mavericks/contrib/3.3/PACKAGES'
> I checked for upgrades and installed R version 3.3.1
> I got the same error message once again.
> Luckily I remembered that I could install libraries from within R and thus used:
>> install.packages('RCurl', dependencies=TRUE, repos='http://cran.rstudio.com/')
> But I am wondering if the malfunction of the GUI approach is something I can fix or is temporary?

That was probably a temporary problem, or a local network problem for 
you:  I can get the URL to open.

But in general, to change the default mirror in R.app, run 
chooseCRANmirror() in the console.  I forget whether that changes it for 
the session or permanently.

Duncan Murdoch

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