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st: standard deviation gain calculation with Stata


From   Nirina F <fstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: standard deviation gain calculation with Stata
Date   Mon, 7 Dec 2009 10:30:48 -0500

Hello All,
I would like to know what is the magnitude of standard deviation gain
in years of schooling from residence in metro area from the following
example.
The effect of metroarea (smsa) is : 0.05 from the regression. But how
would I calculate the standard deviation gain given that the average
years of schooling is 13.4.


use http://fmwww.bc.edu/ec-p/data/hayashi/griliches76.dta

reg  s smsa iq med kww age mrt

sum s

Variable	Obs	Mean	Std. Dev.	Min	Max
					
s	758	13.40501	2.231828	9	18

Thank you,
Nirina
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