Mashar wrote:
I am struggling to create unique pairwise
combinations. I want to have nC2 combination i.e. from
a n number of observations I want to have unique
pairs. Can anyone help?
With -findit pairs- I located:
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
Isn't that what you need?
Svend
__________________________________________
Svend Juul
Institut for Folkesundhed, Afdeling for Epidemiologi
(Institute of Public Health, Department of Epidemiology)
Vennelyst Boulevard 6
DK-8000 Aarhus C, Denmark
Phone: +45 8942 6090
Home: +45 8693 7796
Email: [email protected]
__________________________________________
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* 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/