Hello Maarten,
I will forward this mail to my colleague in whose name I posted this problem.
Thank you very much,
Jochen
---
Jochen Sp�th
Dipl.-Volkswirt
Institut f�r Angewandte Wirtschaftsforschung (IAW) T�bingen
Ob dem Himmelreich 1
72074 T�bingen
Tel.: 07071/9896-14
Fax : 07071/9896-99
EMail: [email protected]
IAW-Homepage: www.iaw.edu
-----Urspr�ngliche Nachricht-----
Von: [email protected] [mailto:[email protected]] Im Auftrag von Maarten buis
Gesendet: Dienstag, 4. M�rz 2008 21:31
An: [email protected]
Betreff: Re: st: problem with the inteff command
I vaguely remember that that problem got solved when the latest version
of -inteff- was installed, which can be downloaded from Edward Norton's
website: http://www.unc.edu/%7Eenorton/
Hope this helps,
Maarten
--- Jochen Sp�th <[email protected]> wrote:
> Dear List,
>
> I try to estimate the interaction effect between two variables in a
> logit model.
>
> My model looks like this: Pr(y) = x1 + x2 + x1*x2 + X
>
> x1 is a continuously variable, x2 is a dummy variable in some
> specifications, in others it is a continuously variable. x1*x2 is the
> interaction effect, X are several control variables.
>
> To obtain the correct interaction effect, I use the inteff command
> provided as an ado-file by Norton, Wang, and Ai (2004) "Computing
> interaction effects and standard errors in logit and probit models",
> The Stata Journal 4, Number 2, pp. 154-167.
>
> Unfortunately, in some specifications the inteff command doesn't work
> and displays following error message:
>
> conformability error
> r(503);
>
> This problem was on statalist in April 2006, but as far as I see
> there was no solution provided. (see
> http://statacorp.com/statalist/archive/2006-04/msg00364.html). Does
> anybody have an idea how to solve my problem?
>
>
>
> Thank you for your help!
>
> Jochen
>
> ---
> Jochen Sp�th
> Dipl.-Volkswirt
> Institut f�r Angewandte Wirtschaftsforschung (IAW) T�bingen
> Ob dem Himmelreich 1
> 72074 T�bingen
> Tel.: 07071/9896-14
> Fax : 07071/9896-99
> EMail: [email protected]
> IAW-Homepage: www.iaw.edu
>
>
> *
> * For searches and help try:
> * http://www.stata.com/support/faqs/res/findit.html
> * http://www.stata.com/support/statalist/faq
> * http://www.ats.ucla.edu/stat/stata/
>
-----------------------------------------
Maarten L. Buis
Department of Social Research Methodology
Vrije Universiteit Amsterdam
Boelelaan 1081
1081 HV Amsterdam
The Netherlands
visiting address:
Buitenveldertselaan 3 (Metropolitan), room Z434
+31 20 5986715
http://home.fsw.vu.nl/m.buis/
-----------------------------------------
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*
* For searches and help try:
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* http://www.ats.ucla.edu/stat/stata/
*
* For searches and help try:
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* http://www.stata.com/support/statalist/faq
* http://www.ats.ucla.edu/stat/stata/
