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Re: st: Stata 9 announcement


From   ariley@stata.com (Alan Riley)
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Stata 9 announcement
Date   Wed, 06 Apr 2005 08:46:35 -0500

Richard Williams (Richard.A.Williams.5@nd.edu) asked about the
data file formats of Stata 8 and Stata 9:

> Something I don't believe has been asked yet:  Are the file formats of 
> Stata 8 and Stata 9 identical?  I hope so.  If not, somebody once proposed 
> that the last update of an older version should include the ability to 
> convert files from the new version.  I think that is a very good idea.

The file formats of Stata 8 and Stata 9 are identical, with one
caveat.  In Stata 8, value labels had a maximum length of 244
characters (Stata/SE) or 80 characters (Intercooled Stata).

In Stata 9, value labels have a maximum length of 32,000
characters.  When reading a Stata 9 dataset, Stata 8 is
"smart" enough to not read in any value labels that would
exceed the Stata 8 limit.

The -saveold- command in Stata 9 (as in Stata 8) will save
the current dataset in Stata 7 format.


Alan
(ariley@stata.com)
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