[R] install.packages

Uwe Ligges ligges at statistik.tu-dortmund.de
Thu Jan 27 16:00:54 CET 2011

On 27.01.2011 11:16, Temel Canpolat wrote:
>   Hi,
>   I need to install "lmtest package".I have tried to several times to install
> packages however I could not. Can anyone help?
>   Best regards
> install.packages ()
> --- Please select a CRAN mirror for use in this session ---
> Warning: unable to access index for repository
> http://cran.cict.fr/bin/windows/contrib/2.12
> Warning: unable to access index for repository

While the CRAN mirror above does not work for me (and you may try 
another one if you have not already), the CRAN extras repository below 
is accessible. Perhaps an additional  firewall / proxy problem on your side?

Uwe Ligges

> http://www.stats.ox.ac.uk/pub/RWin/bin/windows/contrib/2.12
> Error in length(pkgs) : 'pkgs' is missing
> In addition: Warning message:
> In open.connection(con, "r") :
>    cannot open: HTTP status was '401 Unauthorized'
> 	[[alternative HTML version deleted]]
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