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st: Inequality Bounds & Constraints


From   Moses Lee <Moses.Lee@anu.edu.au>
To   statalist@hsphsun2.harvard.edu
Subject   st: Inequality Bounds & Constraints
Date   Thu, 20 May 2010 12:44:16 +1000

Hi All Stata Listers.

I'm planning to impose an inequality bounds for my regression analysis. Currently, the only constraints I'm able to impose is equality constraints.

Example:

constraint define 1 X+Y+Z=1

Does anyone know whether it is possible to impose an inequality constraint? I.e.

0<X<1
0<Y<1
0<Z<1

Any help would be very helpful.

Thank you!

moses

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