[R] Unable to install packages on Mac OS X

[Miguel Leal]

Thank you David for your answer.

The lattice package was not a good example. The thing is the same errors occurs with any package I try to install.

Thank you
Miguel 

On Jul 28, 2011, at 4:31 PM, David Winsemius wrote:

> 
> On Jul 28, 2011, at 3:08 PM, Miguel Leal wrote:
> 
>> I'm having problems installing packages.
>> 
>> I'm working on the R version 2.13.1 in a Mac OS X version 10.6.8.
>> 
>> I'm not able to search or install packages. For instance, I have the following error message:
>> 
>>> install.packages("lattice")
>> Warning: unable to access index for repository http://cran.pt.r-project.org/bin/macosx/leopard/contrib/2.13
> 
> Looks like a weird URL. How did you come up with that one? When I go to it with my browser it times out. Why not pick a working repository?
> 
>> Warning message:
>> In getDependencies(pkgs, dependencies, available, lib) :
>> package 'lattice' is not available (for R version 2.13.1)
> 
> And I thought lattice was part of the default packages installation, so would not have expected any need to install it.
> 
> Have you just tried library(lattice) from the R console?
> 
> -- 
> 
> David Winsemius, MD
> West Hartford, CT
>