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st: Get back to original sample data
From
"Achmed Aldai" <[email protected]>
To
[email protected]
Subject
st: Get back to original sample data
Date
Sun, 05 Jun 2011 10:32:24 +0200
Hi
I am currently working on a do file where I am eliminating firms of different industries. Here is an extract
gvkey sich
1001 1120
1001 1120
1001 1120
1001 1120
1001 1120
1200 2310
1200 2310
1200 2310
1200 2310
3201 4320
3201 4320
3210 4335
3210 4335
If I drop e.g. all firms with a beginning sich of 4: After this analysis I want to have all the firms in my sample again. So how can I come back to the complete sample again to do another analysis.
I want to have all this in the same do file.
Thank you
Felix
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