[R] Problem Installing Packages

[R. Michael Weylandt]

On Wed, Oct 31, 2012 at 8:25 PM, David Winsemius <dwinsemius at comcast.net> wrote:
>
> On Oct 31, 2012, at 10:46 AM, Hard Core wrote:
>
>> I run R as administrator but when i try to install packages i get this
>> message:
>>
>>> install.packages()
>> Warning in install.packages :
>>  apertura non riuscita: stato HTTP '403 Forbidden'
>> Warning in install.packages :
>>  apertura non riuscita: stato HTTP '403 Forbidden'
>> Warning in install.packages :
>>  unable to access index for repository
>> http://cran.mirror.garr.it/mirrors/CRAN/bin/windows/contrib/2.15
>> Error in install.packages : no packages were specified
>>
>> How can i solve this issue?
>
> What were you expecting to happen when you ran install.packages() with no arguments?
>

Fo me it brings up an interactive menu, so I don't think that's the problem.

Have you tried a different mirror? Italy/Milano seems down but
Italy/Padua works for me.

Use the chooseCRANmirror() function.

Cheers,
Michael