Use the -cross- command:
. clear
. input str1 var2
. A
. B
. C
. end
. tempfile foo
. save `foo'
. rename var2 var1
. cross using "`foo'"
. sort var1 var2
. list
ben
> -----Original Message-----
> From: [email protected]
> [mailto:[email protected]] On Behalf Of sarah smith
> Sent: Tuesday, December 21, 2004 7:24 AM
> To: [email protected]
> Subject: st: how to create all possible combinations for the
> observations of 1-variable data
>
>
> Dear Stata users;
>
> I have a 1-variable Stata file like:
> var1
> A
> B
> C
> and I would like to create all possible combinations of
> observations as below:
> var1 var2
> A A
> A B
> A C
> B A
> B B
> B C
> C A
> C B
> C C
> I would appreciate if you can help me how to create above file.
> Thank you very much,
> Sarah
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
*
* For searches and help try:
* http://www.stata.com/support/faqs/res/findit.html
* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
