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Re: st: Estimation of standard error in Weibull distribution


From   Richard Goldstein <richgold@ix.netcom.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Estimation of standard error in Weibull distribution
Date   Fri, 28 Feb 2003 17:07:05 -0500

predict used with no options, as in your examples,
gives the predicted value from the equation;
to get the standard error prediction, e.g., you
need "predict stdp, stdp"; look at [R] predict and 
[R] predictnl

Rich Goldstein

cthompson@dfpm.utah.edu wrote:
> 
> Greetings Statalisters -
> I'm using STATA v8 and when I use the 'predict' command for the
> median and the standard error of the Weibull distribution the
> same value is returned.  The code that precedes the 'predict'
> command is pasted below:
>         stset time
>         streg, dist(weibull)
>         nlcom (theta:exp([ln_p]_b[_cons])) (beta:exp(-b[_cons]))
> 
> For predict, I used the following code:
>         predict med
>         predict stdp
> 
> Any suggestions or am I missing something obvious?
> 
> kindest regards,
> Clint
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