[R] restoring .RData with older version of R

Thomas Lumley tlumley at u.washington.edu
Tue Apr 9 17:48:57 CEST 2002

On Tue, 9 Apr 2002, G. Kroisandt wrote:

> Hi,
> I am working at a research institute and I am using R on different
> machines, but for the same data in the same directory.
> Unfortunately, there are also different versions of R running on these
> machines (1.3.0 and 1.4.1).
> The problem is that I cannot get R 1.3.0 running with the .RData file
> created by 1.4.1.
> The same problem arises with objects saved (routine save) in the
> R-format under 1.4.1 when I want to load them in 1.3.0.
> The reason for these 2 versions is that I received now another computer
> with version 1.3.0 having a fast processor and a lot of memory, i.e. I
> want to make the computations there. In former times, I had a slow
> computer and had to login to another computer. That one is not so fast
> as my new computer and has not so much memory, however, there is version
> 1.4.1 installed.

You can save the workspace explicitly using the old save format with
and even make this the default (so it happens on q()) with

More details are in help(save.image).

You would be much better off getting the computer with R 1.3.0 to upgrade
There have been definite improvements since then.


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