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Re: st: Trouble with estat classification


From   Richard Goldstein <[email protected]>
To   [email protected]
Subject   Re: st: Trouble with estat classification
Date   Wed, 05 Feb 2014 14:26:41 -0500

there is nothing wrong here - they are just doing different things:
estat classification uses one cutpoint; -roctab- uses more than one as
shown in the documentation

Rich

On 2/5/14, 2:17 PM, Dukes, Jonathan wrote:
> Dear Statalist,
> 
> I used estat classification after a logistic regression to find the sensitivity, 
specificity, and positive predictive value.  Using estat classification
I get a
sensitivity of 0% and a specificity of 100%. However, using roctab I get
a sensitivity
of 12.5% and specificity of 80%. Does anybody have an idea of what is
wrong with the
estat classification statement? Thank you for your help.
> 
> 
> 
> 
> Very Respectfully,
> 
> Jonathan
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