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Re: [O] Has anything changed with R setup recently?

From: John Hendy
Subject: Re: [O] Has anything changed with R setup recently?
Date: Wed, 25 Sep 2013 10:54:13 -0500

On Wed, Sep 25, 2013 at 10:02 AM, John Hendy <address@hidden> wrote:
> I started a post a bit ago and thought I had my R/Windows woes resolved:
> - http://www.mail-archive.com/address@hidden/msg57170.html
> I haven't change anything except for updating my path to the more
> recent R version I now have installed (used to have 2.15, now have
> 3.0.1). I have the following in .emacs:
> (setq org-babel-R-command "R/R-3.0.1/bin/x64/R --slave --no-save")
> This was previously working. I just got an error/backtrace when trying
> to export to LaTeX with babel blocks from Windows. To try and
> simplify, I just did =M-x R= and got the error:
> apply: Searching for program: no such file or directory, Rterm
> I've double checked my path, which is: C:\Program
> Files\R\R-3.0.1\bin\x64, and there are the following .exe files
> present: R, Rcmd, Rgui, Rscript, RSetReg, and Rterm.
> In re-checking the Worg page for R setup, I changed my path to the following:
> C:/Progra~1/R/R-3.0.1/bin/x64/R --slave --no-save
> On a fresh Emacs session when issuing =M-x R=, I get this:
> #+begin_src backtrace
> Debugger entered--Lisp error: (file-error "Searching for program" "no
> such file or directory" "Rterm")
>   start-process("R" #<buffer *R*> "Rterm" "--ess")
>   apply(start-process "R" #<buffer *R*> "Rterm" "--ess")
>   start-file-process("R" #<buffer *R*> "Rterm" "--ess")
>   apply(start-file-process "R" #<buffer *R*> "Rterm" "--ess")
>   comint-exec-1("R" #<buffer *R*> "Rterm" ("--ess"))
>   comint-exec(#<buffer *R*> "R" "Rterm" nil ("--ess"))
>   inferior-ess-make-comint("*R*" "R" "--ess  ")
>   ess-multi("R" #<buffer *R*> "--ess  ")
>   inferior-ess("--ess  ")
>   R(nil)
>   call-interactively(R t nil)
>   execute-extended-command(nil)
>   call-interactively(execute-extended-command nil nil)
> #+end_src
> Has anything changed recently that would require additional settings
> for R to function properly on Windows? Happy to provide more
> information. This is why I typically avoid using Org on Windows at all
> costs :) Linux just... works.

Solved... Even though I'd been uninstalling previous versions of R,
Windows leaves the old directories in C:\Program Files\R, and I think
ESS just searches the first one alpha-numerically, so I think it was
trying to use the old versions at R-2.14.0 instead of my new version.
I deleted all directories except R-3.0.1, and it now works (both =M-x
R= and export to LaTeX).


> Thanks,
> John

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