[R] problem to set CRAN mirror

Prof Brian Ripley ripley at stats.ox.ac.uk
Fri Jul 8 14:43:31 CEST 2011

It is a warning: it will fall back to the version used in your 
unstated version of R.  Nothing you show justifies your claim

> i can't install the packages

However, most likely you have a problem connecting to the internet at 
all: see the FAQ relevant to your unstated OS or ask your local IT 

On Fri, 8 Jul 2011, Md Mahmudul Haque wrote:

> Dear Sir,
> When i am trying to set CRAN mirror to install packages, its showing 
> the following messages, i can't install the packages
>>>> chooseCRANmirror()
> Warning message:
> In open.connection(con, "r") :
>  unable to connect to 'cran.r-project.org' on port 80.
> Best regards
> Mahmud
> 	[[alternative HTML version deleted]]
> ______________________________________________
> R-help at r-project.org mailing list
> https://stat.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide http://www.R-project.org/posting-guide.html
> and provide commented, minimal, self-contained, reproducible code.

PLEASE do: we needed the 'at a minimum' information asked for, and a 
complete session transcript showing all the messages.

Brian D. Ripley,                  ripley at stats.ox.ac.uk
Professor of Applied Statistics,  http://www.stats.ox.ac.uk/~ripley/
University of Oxford,             Tel:  +44 1865 272861 (self)
1 South Parks Road,                     +44 1865 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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