[R] Fatal error .RData

Rodrigo Aluizio r.aluizio at gmail.com
Thu Sep 18 17:22:12 CEST 2008

If the students have the permission, maybe run R as administrator solves the 
question too.


From: "Duncan Murdoch" <murdoch em stats.uwo.ca>
Sent: Thursday, September 18, 2008 10:48 AM
To: "Green, Paul" <pgreen em umich.edu>
Cc: <r-help em r-project.org>
Subject: Re: [R] Fatal error .RData

> On 18/09/2008 9:41 AM, Green, Paul wrote:
>> We are using R in our class. One student claims to
>> be receiving the message
>> "Fatal error: unable to restore saved data in .RData"
>> The student is working in a Windows environment with Vista
>> using the precompiled binary distribution (R-2.7.2).
>> After searching the R site and reading FAQs, I suggested
>> the student find .RData in the working directory and delete it.
>> The student claims this did not work so I recommended starting
>> R from a command line with the --no-restore option.
>> Has anyone had any experience with this? Does anyone know
>> what may be causing this? This is the first time I have
>> encountered this.
> Your advice was right:  something is wrong with .RData, and the solution 
> is not to try to read it.
> Likely if deleting .RData failed to solve the problem, it's because the 
> wrong one was deleted.  But running with --no-restore will skip reading 
> what's there, and saving the workspace will probably overwrite the right 
> one (assuming the student has the necessary file system permissions to do 
> that).
> Duncan Murdoch
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