System info:
R Version 1.3.1 (2001-08-31) on Windows 2000
ESS v. 5.1.18 using emacs ver. 20.7.1
Colleagues,
On 11 Dec 2001,, R-help Digest wrote (re: R-help Digest V2 #598):
> Apparently, the system shutdown has hurt the .RData file
> somehow. Is there a way of restoring the information at
> least partially without too much trouble?
I have occassionally had a corrupted .RData file which initially seemed
disastrous, but was fairly easily (if tediously) fixed.
(1) I renamed the .RData and .Rhistory files (old.RData etc.)
(2) in the R-src subdirectory I found the scripts I needed to reload (e.g
smc.multiple.regression.Hg.weight.3.R or
smc.multiple.regression.Hg.weight.3.R~). They are ascii so you can just
use a text editor to find what you need.
(3) I loaded the R-objects back into the workspace one by one (using
Control C-D under ESS). Strip the filename (smc.
multiple.regression.Hg.weight.3.R) of the prefix and suffix (smc. and the
.R) (i.e. Ctrl C-D multiple.regression.Hg.weight.3). Then submit the file
(using CTRL C-L).
You will now have that object in the workspace:> objects()
[1] "multiple.regression.Hg.weight.3">
(4) When I exited R or do a save.image() the .RData was recreated.
This is far from elegant, but when I had done something foolish, it saved
my bacon.
Best wishes
Sam
Sam McClatchie,
Research scientist (fisheries acoustics))))))))))
NIWA (National Institute of Water & Atmospheric Research Ltd)
Postal address: PO Box 14 901, Kilbirnie, Wellington, New Zealand.
Street address: 301 Evans Bay Parade, Greta Point, 6003 Wellington, New Zealand.
Email: s.mcclatchie at niwa.cri.nz,
phone 64-04-386-0574, FAX: 64-4-386 0574.
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