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RE: st: RE: Problem with generating time dummies in panel data


From   "Daghan Yeldan" <caracicatriz2002@hotmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   RE: st: RE: Problem with generating time dummies in panel data
Date   Mon, 17 Jul 2006 15:15:26 +0200

thnx for the advice. But I tried them all before I sent this message. The problem I get is when I do this,

tab minder,g(min) it only creates two dummies instead of 3. I have 3 years of variables.
How can I solve this problem?
cheers,
d



From: "Scott Merryman" <smerryman@kc.rr.com>
Reply-To: statalist@hsphsun2.harvard.edu
To: <statalist@hsphsun2.harvard.edu>
Subject: st: RE: Problem with generating time dummies in panel data
Date: Mon, 17 Jul 2006 07:38:06 -0500

-search generate dummies- (or -findit generate dummies-) points to the FAQ:


FAQ . . . . . . . . . . . . . . . . . . . Creating dummy variables
. . . . . . . . . . . . . . . . . . . . . . . . . . . W. Gould
2/03 How do I create dummy variables?
http://www.stata.com/support/faqs/data/dummy.html


Scott

> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-
> statalist@hsphsun2.harvard.edu] On Behalf Of Daghan Yeldan
> Sent: Monday, July 17, 2006 5:23 AM
> To: statalist@hsphsun2.harvard.edu
> Subject: st: Problem with generating time dummies in panel data
> Importance: High
>
> Dear all,
>
> I have been investigating an effect of a law by using a panel data. This
> panel data consists of three years of interviews on the labour market and
> I
> created some variables among the asked questions. Just like every panel
> data
> this dataset has also id numbers which are characterized as resp in my
> analysis. Moreover, by the help of the two variables h and hp I created
> another variable namely, minder, which is basically hp<h in every year.
> With the help of my instructor I manage to cobine all years and the
> variables with append command.
>
> My problem now is, I have to generate time dummies for minder for every
> year
> that I have in my analysis. Hence, I need to have minder94, minder96,
> minder98. When I list the data, it seems as below
>
>
>
> resp96 y h hp minder
>
> 1. 701 1994 32 32 0
> 2. 701 1996 30 24 1
> 3. 1602 1994 . . .
> 4. 1602 1996 25 . .
> 5. 1602 1998 . . .
>
> 6. 1901 1994 40 40 0
> 7. 1901 1996 30 30 0
> 8. 1901 1998 . . .
> 9. 6101 1994 40 32 1
> 10 6101 1996 . . .
>
> I think I cannot generate it with the simple gen command, but the other
> ways
> that i try didn't succeed at all.
> Kind Regards for your suggestions,
> Daghan
>


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