Bookmark and Share

Notice: On April 23, 2014, Statalist moved from an email list to a forum, based at statalist.org.


[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: st: Smoothed Plot with Observation Specific CIs


From   Maarten buis <[email protected]>
To   [email protected]
Subject   Re: st: Smoothed Plot with Observation Specific CIs
Date   Thu, 15 Jul 2010 06:40:43 +0000 (GMT)

--- 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
--------------------------


      

*
*   For searches and help try:
*   http://www.stata.com/help.cgi?search
*   http://www.stata.com/support/statalist/faq
*   http://www.ats.ucla.edu/stat/stata/


© Copyright 1996–2018 StataCorp LLC   |   Terms of use   |   Privacy   |   Contact us   |   Site index