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st: Merging obervations of two variables


From   "Beatrice Crozza" <[email protected]>
To   [email protected]
Subject   st: Merging obervations of two variables
Date   Tue, 14 Oct 2008 23:38:47 +0100

Dear all,

maybe this is a simple question, but I don't know how to overcome my problem.

I have a variable time and I should generate another variables equal
to time when another variable (code) is equal to 1 or 2.

However, I don't know how to instruct stata for this.

I tried with:
gen time1= time if code==1 & code==2

but of course I will have all missing values.

Thus, I created two variables:
gen time1= time if code==1
gen time1= time if code==2

but I would like to merge the values of the two variables at this point.

Any idea of how to do this?

Thank you.

Best,
Bea
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