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st: appending variables in a dataset


From   jean-luc morin-chesnel <[email protected]>
To   [email protected]
Subject   st: appending variables in a dataset
Date   Mon, 24 Feb 2014 13:30:44 +0100

Dear all,

I have an algorithmic question.

I have the following 6 variables A1 A2 A3 B1 B2 B3 in my dataset
(actually I have more, but this is a minimal example).


A1 A2 A3 B1 B2 B3
-----------------------------------
a11 a12 a13 b11 b12 b13
a21 a22 a23 b21 b22 b23
...

Where is xij the element on line i and column j

I would like to obtain the following dataset:

BIG1 BIG2 BIG3
----------------------
a11 a12 a13
a21 a22 a23
...
b11 b12 b13
b21 b22 b23
...

that is, I have "appended" the group of variable B1 B2 B3 to the group
of variables A1 A2 A3.

Do you know how to do that in Stata 13.1?

Many thanks!!
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