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Re: st: Re : obtaining confidence intervals for the predicted probabilities after logistic regression


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Re : obtaining confidence intervals for the predicted probabilities after logistic regression
Date   Mon, 4 Feb 2013 09:27:44 +0100

On Mon, Feb 4, 2013 at 4:16 AM, Dudekula, Anwar wrote:
> I am e-mailing regarding the confidence intervals for the predicted probabilities after logistic regression
> After we build a logisitic regression model,
> 1)Is there a user written program to obtain them directly(for all observations) instead of obtaining them via the method described  by Mark Inlow in
> http://www.stata.com/support/faqs/statistics/prediction-confidence-intervals/

Not that I know, but nothing stops you from packaging those commands
in your own program. You can get similar but not the same confidence
intervals using -predictnl-.

> 2)Does margins command obtain the predictive probabilities and the right confidence intervals(I tried but could not get the right intervals )

In order to be able to answer that question we need to know exactly
What you tried, which means the _exact_ commands you typed, what Stata
told you in return and why you think those results are wrong.

-- Maarten

---------------------------------
Maarten L. Buis
WZB
Reichpietschufer 50
10785 Berlin
Germany

http://www.maartenbuis.nl
---------------------------------
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