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Re: st: Balancing panel data uniquely identified by TWO variables
From
Stas Kolenikov <[email protected]>
To
[email protected]
Subject
Re: st: Balancing panel data uniquely identified by TWO variables
Date
Sat, 6 Nov 2010 23:32:47 -0500
On Sat, Nov 6, 2010 at 9:42 PM, Victor Gauto <[email protected]> wrote:
> I have an unbalanced panel I would like to “fill” out. I’ve tried
> using the “tsset” and “tsfill, full” commands without getting the
> results I wanted. As an example, I have 2 companies selling 2
> products in 3 years. So if my data were complete I should have
> 2X2X3=12 observations to have a balanced panel. I have fewer
> observations, since some companies have not sold all the products in
> all the years. For example, I have 7 observations. I would like to
> fill this gap by including missing observations due to lack of sales
> of certain products, or certain years.
You can try to run a series of -joinby- based on unique values of your
variables, and then -merge- them with the actual data.
--
Stas Kolenikov, also found at http://stas.kolenikov.name
Small print: I use this email account for mailing lists only.
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