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Re: st: How to Graph - Exponential model


From   Maarten Buis <maartenlbuis@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: How to Graph - Exponential model
Date   Tue, 2 Oct 2012 09:14:12 +0200

On Mon, Oct 1, 2012 at 9:35 PM, Heather Sun, MD wrote:
> I have performed the non-linear least squares estimation method of regression, using the exponential model y = b1*b2^x.
>
> I would like to create a graph of this equation on a scatterplot of my data, along with 95% confidence interval lines.

*------------------ begin example -------------------
sysuse nlsw88
nl exp2 : wage ttl_exp
margins, at(ttl_exp=(.15 .5 1(1)28 28.5))
marginsplot,                                      ///
    recastci(rarea) ciopts(astyle(ci))            ///
    plotopts(msymbol(none))                       ///
    addplot(scatter wage ttl_exp, msymbol(point)) ///
    ytitle(hourly wage) legend(off)
*------------------- end example --------------------
(For more on examples I sent to the Statalist see:
http://www.maartenbuis.nl/example_faq )

Hope this helps,
Maarten

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

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