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st: RE: How do I properly tell Stata this data is Panel Data?


From   Sun Yutao <yutao.sun@hotmail.com>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: How do I properly tell Stata this data is Panel Data?
Date   Sat, 13 Oct 2012 00:08:02 +0200

Hello Andrew,

I think you should set the quarter as your time axis. And when you need to estimate something that is year-wide, you take sum or average depending on what you want exactly.


Best regards,
Sun Yutao


-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Andrew Nicholson
Sent: Saturday, October 13, 2012 12:01 AM
To: statalist@hsphsun2.harvard.edu
Subject: st: How do I properly tell Stata this data is Panel Data?

Essentially my data looks as follows:

County   CountyNumber     Year    Quarter     ......................
Allen     1                2001    1
Allen     1                2001    2
Allen     1                2001    3 
Allen     1                2001    4
Allen     1                2002    1
...       ...              ...     ...
Allen     1                2008    4
Anderson  2                2001    1
...       ...              ...     ...
Anderson  2                2008    4

It continues this way for 105 counties.  My question is how do I use the xtset command when I have both Year and Quarter as time variables.  County and CountyNumber are both classifying the same thing in the dataset.

Thank you for your time,

Andrew Nicholson
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