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st: RE: Re: permutation combination of observations


From   "Nick Cox" <n.j.cox@durham.ac.uk>
To   <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Re: permutation combination of observations
Date   Tue, 10 Mar 2009 15:40:19 -0000

In addition, see 

FAQ     . . . . . . . . . . . . . . . Expanding datasets to all possible
pairs
        . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .  N.
J. Cox
        2/03    How do I produce a dataset based on all possible
                pairs of identifiers within each group?
                http://www.stata.com/support/faqs/data/pairs.html

Nick 
n.j.cox@durham.ac.uk 

Martin Weiss

-ssc d tuples-

Dalhia

> I have a data problem that I was hoping someone could help me fix 
> using stata.  I have data on joint venture deals between participant 
> companies.
>
> Here is how my data looks like:
> Deal_Number1, Participant_1
> Deal_Number1, Participant_2
> Deal_Number1, Participant_3
> Deal_Number2, Participant_1
> Deal_Number2, Participant_2
>
> Here is what I need it to look like:
> Deal_Number1, Participant_1, Participant_2
> Deal_Number1, Participant_1, Participant_3
> Deal_Number1, Participant_2, Participant_3
> Deal_Number2, Participant_1, Participant_2
>
> So basically, I need a permutation combination of all pairs of 
> participants in a deal.  I will be extremely grateful if anyone out
there 
> 

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