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From |
"Jesper K. Hansen" <jkh-stata@msecon.eu> |

To |
statalist@hsphsun2.harvard.edu |

Subject |
Re: st: question about permutation combinations of rows in stata |

Date |
Sat, 12 Jul 2008 21:22:03 +0200 |

Dalhia, On Sat, Jul 12, 2008 at 19:33, Dalhia <ggs_da@yahoo.com> wrote: > hi, Is there a way to automatically perform permutation combination of specified rows in stata. I have data on the list of participants for bunch of deals. Here is how my data is currently: > > Deal_1, participant_1 > Deal_1, participant_2 > Deal_1, participant_3 > Deal_1, participant_4 > Deal_2, participant_11 > Deal_2, participant_12 > > Here is what I want the data to appear as: > > participant_1, participant_2 > participant_1, participant_3 > participant_1, participant_4 > participant_2, participant_3 > participant_2, participant_4 > participant_3, participant_4 > participant_11, participant_12 > > Basically I want to show the ties between participants of deals. Hence I need the permutation combinations of all participants in each deal. Is there a way to automate this at least to a certain extent in stata? > have a look at the command -tuples-, written Nick J. Cox. It can be downloaded from SSC with -ssc install tuples- -tuples- sets out to create permutations of a list (of variables); but you should be able to get what you want with the command. /Jesper K. Hansen * * 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/

**References**:**st: question about permutation combinations of rows in stata***From:*Dalhia <ggs_da@yahoo.com>

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