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st: Creating a new variable by combining several


From   "sara khan" <[email protected]>
To   [email protected]
Subject   st: Creating a new variable by combining several
Date   Tue, 5 Feb 2008 21:35:41 +0000

Dear Statalisters

I would be most gratfeul if someone could advise me on the following:

I am working with long data and need to create a variable that
summarises information from several categorical variables. For
example, for the variables hdage1-hdage4, I want to create a single
variable that tells me which category each pid belongs to (the
opposite of the command (ta var, ge(var*) )) . Thus, for the first
person, I want a variable that lists age3 at each wave, for the second
age3 in the same variable etc.

Any help would be most apprecaited.

Regards

Sara


	+-----------------------------------------------------+
	pid            wave    age1   age2   age3   age4
	-----------------------------------------------------
22.	10014608      1        0        0        0        1
23.	10014608      2        0        0        0        1
24.	10014608      3        0        0        0        1
25.	10014608      6        0        0        0        1
26.	10014608      8        0        0        0        1
27.	10014608      9        0        0        0        1
28.	10014608     10        0        0        0        1
29.	10014608     12        0        0        0        1
	-----------------------------------------------------
30.	10016813      2        0        0        1        0
31.	10016813      4        0        0        1        0
32.	10016813      9        0        0        1        0
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