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st: RE: ds, has(type string) in version 8

From   "Nick Cox" <>
To   <>
Subject   st: RE: ds, has(type string) in version 8
Date   Tue, 7 Oct 2008 17:00:43 +0100

No. -ds- was revised within the lifetime of Stata 8. 

You -- on Stata 9.2

Open the help for -whatsnew8-. Scroll to the update information for
17jun2003. The answer is there: 

2.  ds has new options that allow you to list variables that match
certain criteria.
    The resulting list is returned in r(varlist), which can then be used
in a
    subsequent command.  The new options for ds are not, has(), not(),
    detail, and indent().  See help ds for details.

Your colleague -- on Stata 8

Your colleague has not -update-d their Stata 8. If he or she types 

. update query 

that should be apparent. 


Kim Oren Gradel

I use Stata 9.2 in which there is no problem with the command
- ds, has(type string) -
Stata 8, which is used by a colleague, does not seem to recognize the
-has- command:

. ds, has(type string)
option has() not allowed

Is -has- novel in Stata9?

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