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Re: st: margins for 1 standard deviation change


From   Maarten buis <[email protected]>
To   [email protected]
Subject   Re: st: margins for 1 standard deviation change
Date   Thu, 13 Jan 2011 13:57:14 +0000 (GMT)

--- On Wed, 12/1/11, David Souther wrote:
> I need to get the discrete (1 standard deviation,
> not 0->1) change for binary variables in my logit
> equation, How can I output 1 stddev change(or 1/2
> std dev change) in margins??

*------------------ begin example ----------------
sysuse auto, clear
recode rep78(0/3 = 1) (3/max = 0)

sum rep78 if ///
 !missing(rep78, foreign, price, mpg, headroom)
gen crep = (rep78 - r(mean))/r(sd)

logit foreign price mpg headroom crep
margins, dydx(*) atmeans
*------------------ 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
Institut fuer Soziologie
Universitaet Tuebingen
Wilhelmstrasse 36
72074 Tuebingen
Germany

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


      

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