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| From | Kashif Saeed <kashifsaeed@ymail.com> |
| To | statalist@hsphsun2.harvard.edu |
| Subject | st: Re: symmetry and homogeneity restrictions |
| Date | Mon, 19 Jul 2010 23:02:51 +0530 (IST) |
Dear JP, You have written code for estimating LA-AIDS in STATA using the variables and equations as in the SAS example given at http://support.sas.com/rnd/app/examples/ets/aids/index.htm. SAS reports, after the parameter estimates for all the models in the system, Parameter Restrictions Estimates (the results of the SRESTRICT statements) which they say are "the Lagrangian parameter, λ, used to impose the restriction" ( "λ measures the sensitivity of the system sum of square errors to the restriction"). However, STATA does not report such estimates. Can you inform what to do for obtaining these estimates in STATA? Best regards, Kashif Saeed. * * For searches and help try: * http://www.stata.com/help.cgi?search * http://www.stata.com/support/statalist/faq * http://www.ats.ucla.edu/stat/stata/