[R] Parameter Constraints in nls.lm()

From: Kilian Plank <kilian.plank_at_m-lehrstuhl.de>
Date: Tue 27 Dec 2005 - 02:31:20 EST


Is there a possibility of setting parameter constraints in nls.lm() ?

The documentation does not say anything on that explicitly.

In order to achieve the same effect, the criterion function could be penalized

outside the valid domain. Is that a correct procedure?  

Kind regards,  


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