Statalist


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: RE: Differential effect; regression coefficients


From   "Miriam Kuemmel" <miriam-kuemmel@gmx.de>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: RE: Differential effect; regression coefficients
Date   Sat, 15 Aug 2009 16:33:47 +0200

Thank you for your advices. Using cnsreg I still have not found a solution since the relation between x1 and x4 (x2 and x5, x3 and x6) is not determined before doing the regression. Unfortunately the option constraint does not allow sth like 
x1 = ?*x4
Do you have any ideas?
Many thanks,
Miriam


-------- Original-Nachricht --------
> Datum: Sat, 15 Aug 2009 14:24:37 +0200
> Von: "Martin Weiss" <martin.weiss1@gmx.de>
> An: statalist@hsphsun2.harvard.edu
> Betreff: st: RE: Differential effect; regression coefficients

> 
> <>
> 
> Have you had a look at -help constraint- and -help cnsreg- yet?
> 
> 
> 
> HTH
> Martin
> 
> -----Original Message-----
> From: owner-statalist@hsphsun2.harvard.edu
> [mailto:owner-statalist@hsphsun2.harvard.edu] On Behalf Of Miriam Kuemmel
> Sent: Samstag, 15. August 2009 13:34
> To: statalist@hsphsun2.harvard.edu
> Subject: st: Differential effect; regression coefficients
> 
> Dear readers,
> 
> my regression equation looks as follows:
>  
> Return = a0 + a1*x1 + a2*x2 + a3*x3 + (b*a1)*x4 + (b*a2)*x5 + (b*a3)*x6.
> 
> As you can see the independent variables x1 and x4, x2 and x5, x3 and x6
> have the same regression coefficients. Furthermore x4, x5 and x6 have a
> uniform regression coefficient b.
> 
> Is there any possibility to realise this regression in STATA?
> Thank you in advance for your help,
> Miriam
>  
> 
> 
> -- 
> Schwärzlocher Str. 78
> 72070 Tübingen
> 
> Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3 -
> sicherer, schneller und einfacher! http://portal.gmx.net/de/go/chbrowser
> *
> *   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/
> 
> 
> 
> *
> *   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/

-- 
Schwärzlocher Str. 78
72070 Tübingen

Jetzt kostenlos herunterladen: Internet Explorer 8 und Mozilla Firefox 3 -
sicherer, schneller und einfacher! http://portal.gmx.net/de/go/atbrowser
*
*   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/



© Copyright 1996–2014 StataCorp LP   |   Terms of use   |   Privacy   |   Contact us   |   What's new   |   Site index