RE: st: RE: Postfile results of the adjust command

["Patrick Musonda" <pmuzho@hotmail.com>]

Dear Maarten,

Thanks a million!, it seems to work the way I would like it.

Patrick.


> From: "Maarten Buis" <M.Buis@fsw.vu.nl>
> Reply-To: statalist@hsphsun2.harvard.edu
> To: <statalist@hsphsun2.harvard.edu>
> Subject: st: RE: Postfile results of the adjust command
> Date: Thu, 2 Aug 2007 13:50:46 +0200
>
> --- Patrick Musonda wrote:
> > I am using stata 9, I was wondering whether anyone knows how stata 
> stores
> > the results after the adjust command so that we can postfile them later.
>
> Stata doesn't store any results after -adjust-. You'll probably have to
> write some code that does whatever you want -adjust- to do and save the
> results. If you are using a model other than -regress- you have to take
> care to take the means of the predicted linear predictors first and than
> transform them to the desired metric, in order to exactly reproduce the
> results from -adjust-. See the example below and (Buis 2007)
>
> *--------- begin example ------------
> sysuse auto, clear
>
> reg pri mpg
> adjust ,by(rep78)
> predict xb, xb
> levelsof rep78
> local levs "`r(levels)'"
> foreach i of local levs {
> 	sum xb if rep78 == `i'
> }
> drop xb
>
> logit foreign mpg
> adjust ,by(rep78) pr
>
> predict xb, xb
> levelsof rep78
> local levs "`r(levels)'"
> foreach i of local levs {
> 	sum xb if rep78 == `i', meanonly
> 	di %9.6g invlogit(`r(mean)')
> }
> *------------ end example --------------
> (For more on how to use examples I sent to the Statalist, see
> http://home.fsw.vu.nl/m.buis/stata/exampleFAQ.html )
>
> M.L. Buis (2007), "predict and adjust with logistic regression",
> The Stata Journal, 7(2), pp. 221-226
> A prepublication draft can be found here:
> http://home.fsw.vu.nl/m.buis/wp/logit_adjust.html
>
> Hope this helps,
> Maarten
>
> -----------------------------------------
> 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/
> -----------------------------------------
>
>
>
> *
> *   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/
_________________________________________________________________
The next generation of Hotmail is here!  http://www.newhotmail.co.uk

*
*   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/