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Re: st: a specific data management question
From
"Michael N. Mitchell" <[email protected]>
To
[email protected]
Subject
Re: st: a specific data management question
Date
Tue, 10 Aug 2010 21:27:22 -0700
How about this...
clear
input firm tag
1 0
1 0
1 1
1 1
1 3
2 0
2 1
2 2
2 3
3 0
3 0
end
egen tag1 = max(tag==1), by(firm)
However, note that this gives a value of 0 if all values of tag are . for a given firm.
Hope this helps,
Michael N. Mitchell
Data Management Using Stata - http://www.stata.com/bookstore/dmus.html
A Visual Guide to Stata Graphics - http://www.stata.com/bookstore/vgsg.html
Stata tidbit of the week - http://www.MichaelNormanMitchell.com
On 2010-08-10 8.50 PM, Grace Jessie wrote:
firm tag
1 0
1 0
1 1
1 1
1 3
2 0
2 1
2 2
2 3
3 0
3 0
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