9:48 a.m.
Dear Gretl community,
I have atempted to save several databases used in gretl and then open them
on R, and have always problems to open it. I attach gretl file, and R file.
Does anyone have the same problem? Here is the R output (translated from
spanish)
] ERROR: magic number invalid restore file (the file may be corrupted) - no
data reloaded
Regards,
Leandro
12:30 p.m.
Maybe I could help. I do the same thing all the time. I know it's boring to
open files in R. Look what I did in R, when open a converted (from gretl)
file:
tax <-
read.table("C:/Users/cdshikida/Documents/Meus Documentos/textos/textos em
andamento (e planilhas)/cargatributarianovo/novocargatrib.R",
header=TRUE, sep="", na.strings="NA", dec=".",
strip.white=TRUE)
I don't know exactly the nature of your problem, but it could be the
difference between anglo-saxon world in decimals separator and latino's
convention of using comma instead.
Hope this could help you.
Best Wishes
Claudio
On Wed, May 23, 2012 at 10:48 AM, Leandro Zipitria <
leandro.zipitria(a)gmail.com> wrote:
Dear Gretl community,
I have atempted to save several databases used in gretl and then open them
on R, and have always problems to open it. I attach gretl file, and R file.
Does anyone have the same problem? Here is the R output (translated from
spanish)
] ERROR: magic number invalid restore file (the file may be corrupted) -
no data reloaded
Regards,
Leandro
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12:58 p.m.
On Wed, 23 May 2012, Leandro Zipitria wrote:
I have atempted to save several databases used in gretl and then open
them
on R, and have always problems to open it. I attach gretl file, and R file.
Does anyone have the same problem? Here is the R output (translated from
spanish)
] ERROR: magic number invalid restore file (the file may be corrupted) - no
data reloaded
It looks as if you're trying to get R to read a data file as
if it were a saved workspace. In R, you need to do something
like
mydata <- read.table("filename", header=TRUE)
However, the example you gave exposed a bug in gretl's routine
for writing R data. Your "agua2" file contains
observation-marker strings, and gretl writes these into the
R datafile. In itself that's not a problem, since R can handle
"row.names". But... for R, row names have to be unique, and in
agua2.gdt the names (which represent dates in a stacked time
series) repeat, so R bombs out with
"duplicate 'row.names' are not allowed"
This is now fixed in CVS -- we check that the obs strings are
unique before writing them into a R datafile -- and this fix
will be in the gretl snapshot soon.
Allin Cottrell
1 p.m.
Thanks Claudio and Allin.
Regards,
Leandro
2012/5/23 Allin Cottrell <cottrell(a)wfu.edu>
On Wed, 23 May 2012, Leandro Zipitria wrote:
> I have atempted to save several databases used in gretl and then open
them
> on R, and have always problems to open it. I attach gretl file, and R
file.
> Does anyone have the same problem? Here is the R output (translated from
> spanish)
>
> ] ERROR: magic number invalid restore file (the file may be corrupted) -
no
> data reloaded
It looks as if you're trying to get R to read a data file as
if it were a saved workspace. In R, you need to do something
like
mydata <- read.table("filename", header=TRUE)
However, the example you gave exposed a bug in gretl's routine
for writing R data. Your "agua2" file contains
observation-marker strings, and gretl writes these into the
R datafile. In itself that's not a problem, since R can handle
"row.names". But... for R, row names have to be unique, and in
agua2.gdt the names (which represent dates in a stacked time
series) repeat, so R bombs out with
"duplicate 'row.names' are not allowed"
This is now fixed in CVS -- we check that the obs strings are
unique before writing them into a R datafile -- and this fix
will be in the gretl snapshot soon.
Allin Cottrell
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3 comments
3 participants
participants (3)
-
Allin Cottrell -
Claudio Shikida (敷田治誠 クラウジオ) -
Leandro Zipitria