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st: Using (reg 3) I get Error message r(481)..........


From   Nicolas Gambetta Lopassio <Nicolas.GambettaLopassio@student.uts.edu.au>
To   statalist@hsphsun2.harvard.edu
Subject   st: Using (reg 3) I get Error message r(481)..........
Date   Mon, 30 May 2005 20:01:09 +1000

Hi all,

I am trying to run a Multiple equation model using the Three-stage estimation (reg3) command and I get the error message I copied below. Could anybody please give me some hints how to solve this issue?

Equation is not identified -- does not meet order conditions

r(481);

error . . . . . . . . . . . . . . . . . . . . . . . .  Return code 481
        equation/system not identified;
        cannot calculate derivatives;
        You were using reg3, for instance, and the system that you have
        specified is not identified.
        You specified an nl fcn for which derivatives cannot be calculated.

Thanks a lot , Nicolas



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