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Re: st: [windows-1256] time variable year limit

From   n j cox <[email protected]>
To   [email protected]
Subject   Re: st: [windows-1256] time variable year limit
Date   Sun, 16 Sep 2007 17:01:08 +0100

Stata is telling you what the problem is. Unfortunately,
your report here does not illuminate the problem further. However,
there is an FAQ on this point which may help:

How do I deal with a report of repeated time values within panel?

[email protected]

Alan Williamson

I have two sets of panel data which is the same format, only the value is different. I just finished one set of the model testing. But the other set of the data could not work at all.

I got

. tsset id year
repeated time values within panel

. isid id year
variables id year do not uniquely identify the observations

Actually my data was sorted by id (panel-firms) and year (time variable-1990-2005). When I describe it, the data was sorted by id year. However, no matter what I do, it is not accepted at all.
[email protected]

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