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st: RE: parameter restrictions

From   "Boylan, Richard" <[email protected]>
To   "'[email protected]'" <[email protected]>
Subject   st: RE: parameter restrictions
Date   Tue, 16 Jul 2002 16:32:27 -0500

I assume that you mean a weak inequality (with a strict one there would be
guarantee of a maximum).  Then, the local maximum occurs either in the
interior (strict equality) or on the boundary (equality).  One solves that
by compairing the values in the unconstrained problem and the
equality-constrained problem.  
I have not seen statistical references this, but it seems to follow from

-----Original Message-----
From: Henrik Andersson [mailto:[email protected]]
Sent: Tuesday, July 16, 2002 4:30 PM
To: [email protected]
Subject: st: parameter restrictions


are there any possibilities to put restrictions on parameters in 
regressions (in my case nonlinear), for example >0 and <0.5? (I cannot find 
anything on the subject in the "manuals".)


Henrik Andersson

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