[BioC] urgent help

[Sean Davis]

On Wed, Sep 30, 2009 at 7:59 AM, vikas sharma
<vikassharma_47 at hotmail.com> wrote:
>
> hi
>
>
>
> anyone can tell me how can i install rgraphviz . when i try commnad   > source("http://bioconductor.org/biocLite.R") in R commnad line then i got an error message all the time  Error in file(file, "r", encoding = encoding) :
>  cannot open the connection
> In addition: Warning message:
> In file(file, "r", encoding = encoding) :
>  unable to connect to 'bioconductor.org' on port 80.
>
>
>
> how can i remove this error.
>

Can you connect to bioconductor in your web browser?  If so, then you
may need to set a proxy.  Read the help page for "download.file" for
how to do so.

>
> there is also one problem coming when i tried install.packages() command in R ,i got a message choose "cran image ".what is meaning of nearesst cran image

You'll want to choose the location closest to you.  This is done to
maximize the speed of transfer to you.

If you have further problems, you will want to include the output of
sessionInfo() with any future messages to the list.

Sean


Sean