Re: st: Smoothed Plot with Observation Specific CIs

[Wassim Tarraf <tarrafwassim@gmail.com>]

Thanks Maarten!

Maarten buis wrote:
> --- On Thu, 15/7/10, Wassim Tarraf wrote:
>   
> > I have a data set that includes point (probability)
> > estimates and their standard errors. Any recommendations on
> > the best way, in Stata, to smooth plot these point estimates
> > relative to a continuous X variable (say age) with CIs
> > (based on point specific SEs) about them?
> >     
>
> Something like:
>
> gen lb = pred - invnormal(0.975)*se
> gen ub = pred + invnormal(0.975)*se
>
> twoway rarea lb ub age, sort || ///
>        line pred age, sort
>
> This assumes that pred is your prediction, se is your standard
> error and age is your X variable.
>
> Hope this helps,
> Maarten
>
> --------------------------
> Maarten L. Buis
> Institut fuer Soziologie
> Universitaet Tuebingen
> Wilhelmstrasse 36
> 72074 Tuebingen
> Germany
>
> http://www.maartenbuis.nl
> --------------------------
>
>
>       
>
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