Although it could easily be "user error", I never got Rpy or Rpy2 working an
any sort of reliable way.

However I did learn a couple of things about the Windows PATH

First, (as others have mentioned) it's easiest to modify the PATH through
the Windows GUI that comes up when you right click "My Computer", and then
you can modify the "Environmental Variables" somewhere.

Second, here are examples of the syntax for adding things to the PATH from a
DOS command line
    path = %PATH%;C:\Program Files\R\R-2.12.1\bin
    path = %PATH%;C:\Rtools\bin
    path = %PATH%;C:\Rtools\MinGW\bin
    path = %PATH%;C:\Rtools\perl\bin

    set R_HOME = C:\Program Files\R\R-2.12.1\

Third, I found this R command useful for checking the path from within R:
    Sys.getenv()[['PATH']]



On Wed, Jan 12, 2011 at 10:43 AM, Aaditya Nanduri <aaditya.nanduri@gmail.com
> wrote:

> Im sorry for the late reply.
>
> The output to echo %PATH% :
>
> C:\GTK\bin; C:\Program Files\MiKTeX 2.8\miktex\bin ;C:\Windows\system32
> ;C:\Windows
> ;C:\Windows\System32\Wbem; C:\Windows\System32\WindowsPowerShell\v1.0\;
> C:\Program
>  Files\MATLAB\R2008a\bin; C:\Program Files\MATLAB\R2008a\bin\win32;
> C:\Program Fil
> es\QuickTime\QTSystem\; C:\MinGW\bin;c:\Program Files\Microsoft SQL
> Server\100\To
> ols\Binn\; c:\Program Files\Microsoft SQL Server\100\DTS\Binn\; C:\Program
> Files\
> R\R-2.12.1\bin\; C:\Program Files\Python27; C:\Program Files\SSH
> Communications Security\SSH Secure Shell;C:\Python26;C:\Python26\Scripts
>
> 2011/1/8 Uwe Ligges <ligges@statistik.tu-dortmund.de>
>
> > OK, then let's see if you managed to change the PATH or let is see what
> is
> > incorrect there. Therefore, please do the following:
> >
> > 1. open a Windows command shell (what you call a DOS window)
> > 2. type "echo %PATH%"
> > 3. Send us the output.
> >
> > Uwe Ligges
> >
> >
> >
> > On 08.01.2011 19:29, Aaditya Nanduri wrote:
> >
> >> Mr. Gregory : I may have to resort to a roundabout method like yours. I
> >> just
> >> cant seem to make it work. Thank you for your help.
> >>
> >> Mr. Spector : Everytime I change the path, I closed all the DOS windows.
> >> Yet, R is not recognized as a command. Also, I just want to say, you
> have
> >> an
> >> awesome last name.
> >>
> >>
>
>
> --
> Aaditya Nanduri
> aaditya.nanduri@gmail.com
>
>        [[alternative HTML version deleted]]
>
> ______________________________________________
> R-help@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.
>

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