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st: RE: RE: How to restrict parameters under Stata 10.0


From   Sakib Mahmud <smahmud@uwyo.edu>
To   "statalist@hsphsun2.harvard.edu" <statalist@hsphsun2.harvard.edu>
Subject   st: RE: RE: How to restrict parameters under Stata 10.0
Date   Fri, 25 Jun 2010 21:43:41 -0600

Thanks, Martin. I will check and get back you if I need further guidance. 

Regards,
Sakib 

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Martin Weiss
Sent: Friday, June 25, 2010 3:59 PM
To: statalist@hsphsun2.harvard.edu
Subject: st: RE: How to restrict parameters under Stata 10.0 


<>


Well, constraints are handled by the homonymous -help constraint-. Look at
the help for -mlogit- as well, where constraints are listed among the main
options.


HTH
Martin

-----Original Message-----
From: owner-statalist@hsphsun2.harvard.edu
[mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Sakib Mahmud
Sent: Freitag, 25. Juni 2010 23:12
To: statalist@hsphsun2.harvard.edu
Subject: st: How to restrict parameters under Stata 10.0 

Dear Members,

I would be glad if you can suggest me on 'how to use (employ) parameter
restrictions' under STATA. I am running a multinomial logit model where I am
running a regression of Y on X where I want to perform parameter
restrictions to impose constraints on the model  either using fixed value or
equality (e.g. like having zero values on some regressors)  At the end, I
will have two regression results from two separate X's by imposing the
restrictions. 

I know from Limdep or Nlogit, there is a separate command ".Rst =list" to
impose constraints on the model parameters but I am not sure whether there
is a separate command under STATA 10.0.

Thanks.

Regards,
Sakib
PhD Student, Economics & Finance
University of Wyoming (UW)


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