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Re: st: How can I get predicted probabilities for different x values after probit?


From   chunkler@rumms.uni-mannheim.de
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How can I get predicted probabilities for different x values after probit?
Date   Tue, 19 Apr 2005 18:15:35 +0200

Hi Roger, you can also downlaod Scott Long's -spost- package. The -prvalue- command included returns predicted probabilities and you can specify different x values or set x variables on their mean. -prgen- another command included in spost returns predicted values over the course of a variable for a specified x combination. Both commands work fine in Stata 8.

Best,
CHris

Zitat von Nick Winter <nw53@cornell.edu>:


See also the -adjust- command.

--NW


At 03:18 PM 4/19/2005 +0100, you wrote:
At 15:05 19/04/2005, Antony wrote:
Hie all
How can I get predicted probabilities for differennt X values with Stata 8.0?
For example:
probit Y X1 X2 X3 X4 X5 X6
Where X2 X3 are 1/0 dummy variables and the rest are continuos variables .
I would like to estimate the predicted probability if for example X6=25
X2=0 and X1=1
Can anyone please help.
Look up the documentation for -predict- (and for -probit-), by typing

whelp predict

and/or

whelp probit

I hope this helps.

Roger


--
Roger Newson
Lecturer in Medical Statistics
Department of Public Health Sciences
Division of Asthma, Allergy and Lung Biology
King's College London

5th Floor, Capital House
42 Weston Street
London SE1 3QD
United Kingdom

Tel: 020 7848 6648 International +44 20 7848 6648
Fax: 020 7848 6620 International +44 20 7848 6620
  or 020 7848 6605 International +44 20 7848 6605
Email: roger.newson@kcl.ac.uk
Website: http://phs.kcl.ac.uk/rogernewson/

Opinions expressed are those of the author, not the institution.

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