[R] Transferring data from S+ to R
Prof Brian Ripley
ripley at stats.ox.ac.uk
Thu Jan 14 10:58:25 CET 1999
On Thu, 14 Jan 1999, Zivan Karaman wrote:
> I would like to know if there is an easy way to transfer all the data from
> a S+ directory (".Data" or "_data") to an R image? I would like to transfer
> all the functions and all the data sets (data frames, vectors, lists, etc.).
> I'm working under Windows NT and am using S+ 3.3 for Windows.
R version? I'll assume rw0631.
You could try
dump(ls(), "dirdump", T)
in R (having set a large enough workspace)
This is not guaranteed to work: R is not S and for example S objects can
have storage modes not supported in R, and the functions may not be valid
R, but it will give you a start and you can edit the file dirdump to
change such things, as it will be a text file in the S language.
Remember that source will not work unless the file is entirely correct:
you may see more of what is going on by using rterm and a batch file
(details in the V&R R complements).
The same ideas work for the reverse transfer: in R you need
but if the help page is up-to-date `the implementation of dump is very
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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