editing .emacs-file for ess (windows version)

[Rich Heiberger]

What is R-directory and why do you want to set it?  It is not one of
the variables that ESS uses.

If I were using it I would add the line
  (setq R-directory "d:/R")
to my .emacs file.  I wouldn't bother with pre-run hooks for this case.

NTemacs uses either "D:/R" or "D:\\R".

My guess is that you are looking for ess-directory.  See the file
ess-5.1.19/lisp/ess-site.el and go to section (3.5) for a discussion
of how to set this directory.

I personally always take the default action.  The way I start R is to
open dired in the directory I wish to be in and then M-x R from the
dired buffer.

What else do you mean by "customize our ESS for R under windows 2000"?
ESS works correctly out of the box.  The only item that needs
customization is the location of the R executable.

The easiest way is to include "d:/Apps/R/rw1031/bin" (for example, on
my office machine) in the emacs variable exec-path.  You can do it at
the .emacs level with
 (setq exec-path (append exec-path (list "d:/Apps/R/rw1031/bin")))
or you can add d:/Apps/R/rw1031/bin to the environment variable
PATH at the Windows level before starting emacs.

A second way is to set the lisp variable (also in .emacs) to
(setq inferior-R-program-name "d:/Apps/R/rw1031/bin/Rterm")

Only one of these is needed.  I choose to set exec-path in .emacs
and never touch ess-site.el 

Rich
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