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Re: st: appending variables in a dataset


From   jean-luc morin-chesnel <jeanluc.morinchesnel@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: appending variables in a dataset
Date   Mon, 24 Feb 2014 13:48:15 +0100

of course...
Thanks Nick!

On 24 February 2014 13:45, Nick Cox <njcoxstata@gmail.com> wrote:
> -help stack-
>
> Nick
> njcoxstata@gmail.com
>
> On 24 February 2014 12:30, jean-luc morin-chesnel
> <jeanluc.morinchesnel@gmail.com> wrote:
>
>> 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?
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