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Re: st: How to balance an unbalanced panel data set


From   Philipp Rehm <philipp.rehm@gmx.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to balance an unbalanced panel data set
Date   Thu, 02 Apr 2009 18:09:57 -0300

.
Nick Cox's -dropmiss- may be useful. You may want to check out -findit dropmiss-

It seems your panel data-set is in wide format. For most purposes, that's very inconvenient, at best. You may want to -reshape- your data-set to long format.

HTH,
Philipp

Christian Bustamante wrote:
Hi and thanks for your response. That's not what I'm looking for. I
will be more explicit.
Supose the folliwing data set with each row represents a panel
observations for a variable:

1 2 3 4 5 6 7 8
. . 3 4 5 6 7 8
1 2 3 . 5 6 7 8
1 2 3 4 5 6 7 .
1 2 3 4 5 . . .

I want to keep only the observations like the first one and drop the others.

Bests



On Thu, Apr 2, 2009 at 3:31 PM, Philipp Rehm <philipp.rehm@gmx.de> wrote:
.

http://www.stata.com/support/faqs/data/panel.html

HTH,
Philipp

Christian Bustamante wrote:
Hi Statalisters,

I have a very unbalanced panel data set, composed for a lot of panel
and 12 years. I'm interested in "balance" this panel, keeping only the
panel tha have information for a set of variables in all the period.
How can I do that?

Thanks

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