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st: RE: Generation of three uniform random variables that sum to one


From   Nick Cox <n.j.cox@durham.ac.uk>
To   "'statalist@hsphsun2.harvard.edu'" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: Generation of three uniform random variables that sum to one
Date   Thu, 21 Oct 2010 14:56:18 +0100

foreach v in a b c { 
	gen `v' = runiform()
}
gen total = a + b + c 
foreach v in a b c { 
	replace `v' = `v' / total 
}

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

Fabien Bertho

I would like to generate three uniform random variables. And, the sum of these three variables equals to one.

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