The -adjust- command may be what you are looking for.
Nick Winter
-----------------------------------------------------------
Nicholas Winter, Ph.D. P 202.939.5343
Policy Studies Associates F 202.939.5732
1718 Connecticut Avenue, NW [email protected]
Washington, DC 20009-1148 www.policystudies.com
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> -----Original Message-----
> From: FEIVESON, ALAN H. (AL) (JSC-SD) (NASA)
> [mailto:[email protected]]
> Sent: Thursday, October 03, 2002 9:36 AM
> To: '[email protected]'
> Subject: st: RE: counterfactuals
>
>
> Traci -
>
> One way to do this is to take advantage of Stata's -predict-
> command to do
> "out-of-sample" predictions. Just create some additional fake
> observations
> with the characterisitics you want, but with missing values for the
> dependent variable. After estimation, the -predict- command
> will generate
> predicted probabilities for these fake observations as well
> as the real
> ones.
>
> Al Feiveson
>
> -----Original Message-----
> From: Traci A Schlesinger [mailto:[email protected]]
> Sent: Wednesday, October 02, 2002 8:02 PM
> To: [email protected]
> Subject: st: counterfactuals
>
>
> dear statalisters:
>
> i tried to post this yesterday, but never saw it posted. i
> apologize if
> this is a double post.
>
> I have county level data on criminal processing that includes whether
> the defendant is incarcerated pretrial and / or post-trial, as well as
> several legal variables regarding the type of offense the
> individual was
> arrested for and details of their prior record, and extra-legal
> variables such as race and age.
>
> i have used xtlogit, with county level fixed effects, to analyze this
> data, with specific interest in the effect of race and ethnicity on
> criminal processing. i find that race and ethnicity affects both
> pretrial release decisions, and the decision to incarcerate given
> conviction.
>
> as a next step, i wanted to create counterfactuals that would look at
> what the predicted probability of release would be for the black and
> latino defendants if they were white (e.g. what would be the
> probability
> of being granted pretrial release if one had all of the legal
> characteristics of the black defendants but was white), or put
> differently, what would be the predicted probability of release for
> black defendants if the black coefficient equaled zero.
>
> i understand how to use the predict command to get predicted
> probabilities, but don't know how to get predicted values for
> this type
> of counterfactual situation. i have read the manual and the
> FAQs, but i
> am still lost.
>
> any help would be greatly appreciated!!
> thanks in advance,
> traci a schlesinger
>
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