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st: dates in stata


From   lschoele@rumms.uni-mannheim.de
To   statalist@hsphsun2.harvard.edu
Subject   st: dates in stata
Date   Tue, 31 Mar 2009 22:44:39 +0200

Hello Statalist,

I am using Stata for event study. I entered all my variables and observations.
Regarding my variable "date" I have a problem. When I use "sort date", stata sorts the date shown above:date
01 April 2002
01 April 2003
01 April 2004
01 April 2005
01 April 2008
01 August 2000
01 August 2001
01 August 2002
01 August 2003
01 August 2005
01 August 2006
01 August 2007
01 August 2008
01 December 2000
01 December 2003
01 December 2004
01 December 2005
01 December 2006
01 February 2000
01 February 2001
01 February 2002
01 February 2005
01 February 2006
01 February 2007
01 February 2008
01 July 2002
01 July 2003
01 July 2004
01 July 2005
01 July 2008
01 June 2000
01 June 2001
01 June 2004
01 June 2005
01 June 2006
01 June 2007
01 March 2000
01 March 2001
01 March 2002
01 March 2004
01 March 2005
01 March 2006
01 March 2007
01 May 2000
01 May 2001

I can tell that stata sorts by the first letter of the month. Do I have to use a special format for the date? I also tried the format 01.04.2002, but that gives me the same sortation shown above.

Can anyone help me?

Best regards
Lisa



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