[R] Restoring an S object that was data-dumped

[Prof Brian Ripley]

On Tue, 20 Jan 2004, Roger D. Peng wrote:

> Obviously, it was data.restore() that produced the error 
> below.  However, I think S-PLUS 5 might not be supported by 
> data.restore() in the `foreign' package since the docs there 
> say it can only read objects from S-PLUS versions 3.x and 
> 4.x (on Unix).

Correct.  We don't have a description of the S4 (hence S-PLUS 5.x and 6.x) 
data.dump format.  We recommend using data.dump(oldStyle=T) in those 
versions of S-PLUS if possible.

> Spencer Graves wrote:
> >      Have you tried 'help.search("data.restore")' or the "posting guide" 
> > at "http://www.R-project.org/posting-guide.html"?  I believe the object 
> > of your desires (at least for this request) is in "library(foreign)".
> >      hope this helps.      spencer graves
> > 
> > Ravi Varadhan wrote:
> > 
> >> Hi:
> >>
> >> In R, how can I "data.restore" an object that was "data.dump"ed in 
> >> Splus (I am not sure of the exact version, but probably Splus5)? When 
> >> I use data.restore, I get the following error message (I am using R 
> >> 1.7.0 on Windows)
> >>
> >>  
> >>
> >>> data.restore("n2.suicide")
> >>>   
> >>
> >> Error in ReadSdump(TRUE, " ") : S mode "        "Netherlands", 
> >> "Ireland", "Denmark", "Norway", " Sweden", "Finland"," (near byte 
> >> offset 230) not supported
> >> In addition: Warning message: NAs introduced by coercion  
> >>
> >>
> >> Thanks for any help,
> >> Ravi.
> >>
> >> ______________________________________________
> >> R-help at stat.math.ethz.ch mailing list
> >> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> >> PLEASE do read the posting guide! 
> >> http://www.R-project.org/posting-guide.html
> >>  
> >>
> > 
> > ______________________________________________
> > R-help at stat.math.ethz.ch mailing list
> > https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> > PLEASE do read the posting guide! 
> > http://www.R-project.org/posting-guide.html
> >
> 
> ______________________________________________
> R-help at stat.math.ethz.ch mailing list
> https://www.stat.math.ethz.ch/mailman/listinfo/r-help
> PLEASE do read the posting guide! http://www.R-project.org/posting-guide.html
> 
> 

-- 
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 272866 (PA)
Oxford OX1 3TG, UK                Fax:  +44 1865 272595