[R] Questions from a beginner.

Prof Brian D Ripley ripley at stats.ox.ac.uk
Fri Jun 1 21:56:18 CEST 2001

Please do read the rw-FAQ: it is designed for beginners and answers these
questions (except 2, where it tells you that this is not the correct forum
for your question)!

On Fri, 1 Jun 2001, Paul Y. Peng wrote:

> I have used S-PLUS for years. Now I am learning to use R in
> Windows'98. I downloaded the latest version and installed it as
> instructed. However, I cannot find answers from online help to the
> following questions I encountered. If any of you has quick answers
> to these questions, please drop me a couple of lines. Thanks.
> 1. Why does R change my working directory during a session? I often
> used getwd() to check my working directory and surprisingly found
> that it was changed, and the location it changes to is quite random.
> Has anybody encountered this problem? It is very annoying to check
> and set my working directory whenever I want to save my work.
> 2. I downloaded ESS-5.1.18 and installed it in NTEmacs-20.4. It works
> fine with S-PLUS 2000. However, if I use it with R, it is very very
> slow and takes more than one minute to see the R prompt after M-x R.
> After that, it seems OK. Why?
> 3. From the online documents, I often see descriptions related to
> Rcmd. But there is no file in the Windows distribution of R named
> Rcmd. Is it renamed Rterm.exe in Windows?

No. Search for `Rcmd' in the rw-FAQ to find what you have missed (at least
three times).

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 272860 (secr)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595

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