[R] Reading .RData Fails

Thomas Lumley tlumley at u.washington.edu
Thu May 17 18:39:24 CEST 2001


On Wed, 16 May 2001, Alvaro A. Novo @galton wrote:

> Hi,
>
> We have a user reporting the following problem
>
>
> > % R
> >
> > R : Copyright 2001, The R Development Core Team
> > Version 1.2.3  (2001-04-26)
> >
> > R is free software and comes with ABSOLUTELY NO WARRANTY.
> > You are welcome to redistribute it under certain conditions.
> > Type `license()' or `licence()' for distribution details.
> >
> > R is a collaborative project with many contributors.
> > Type `contributors()' for more information.
> >
> > Type `demo()' for some demos, `help()' for on-line help, or
> > `help.start()' for a HTML browser interface to help.
> > Type `q()' to quit R.
> >
> > Error: NewReadItem: unknown type 875560960
> > Fatal error: unable to restore saved data
> >  (remove .RData or increase memory)
>

This is probably a corrupted .RData file.  The only times I've seen this
it appeared to be caused by some problem during the save process (eg R
being killed while it was exiting).

You can rename .RData to something else, which will allow you to start R.
The .RData file may be lost, though you could try loading it with load().

	-thomas

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