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Re: st: Balancing panel data uniquely identified by TWO variables


From   Victor Gauto <[email protected]>
To   [email protected]
Subject   Re: st: Balancing panel data uniquely identified by TWO variables
Date   Mon, 8 Nov 2010 15:51:42 -0600

Thank you for your help.  I ended doing what you suggested with the
"cross" command.  Solved!

On Sat, Nov 6, 2010 at 11:32 PM, Stas Kolenikov <[email protected]> wrote:
> 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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