Dear Allin,
I have attached files with some examples of Eviews files, where the names
imply the date ranges.
I have taken a pick at the hex dump of the files and it seems to me that the
word (two bytes) located at offsets 84 and 85 Hex contain the starting
period within the year.
Hope this helps,
With kind regards,
Ofer Cornfeld
-----Original Message-----
From: gretl-users-bounces(a)lists.wfu.edu
[mailto:gretl-users-bounces@lists.wfu.edu] On Behalf Of Allin Cottrell
Sent: Thursday, September 24, 2009 10:28 PM
To: Gretl list
Subject: Re: [Gretl-users] Eviews Import - a bug report
On Thu, 24 Sep 2009, Ofer Cornfeld wrote:
I have noticed that when importing EViews file the sample range is
set
incorrectly when first quarter in the year is the third.
I have attached an EViews 6 file ranging 1980Q3 - 1982Q3.
An import will set the Gretl range to 1980:1 - 1982:1 incorrectly.
Thanks. Unfortunately, getting date information out of Eviews
files is a guessing game, because they use an unpublished
proprietary binary format (which we have attempted to
reverse-engineer). I thought we had guessed how to find the
starting period correctly, but it seems not.
If you have access to Eviews, it might be helpful if you could
send me a few variant wf1 files: for example, a year's worth of
monthly data, in one case with the starting date set to 1990:01,
then with the start set to 1990:02, and so on. Hopefully this
would enable us to track the bytes where the starting period is
recorded.
Allin Cottrell
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