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st: Looping and saving regression outputs


From   Sebastian Galarza <sebastian@theicct.org>
To   statalist@hsphsun2.harvard.edu
Subject   st: Looping and saving regression outputs
Date   Wed, 16 May 2012 10:22:30 -0700

Hi, 

I want to run the following code and save the beta values and r2 for three different regressions in a matrix such as this:

Variable B0a B1a B2a R2a B1b B2b B3b R2b B1c B2c B3c R2c
1
2
3

I have a total of 51000 variables (sizef) so that the code I would like to run is: 


*for each variable sizef

nl (P_WOR = {b0=0.1}*(1 * exp({b1=0.05}* (ageyear))))
predict a
matrix list e(b)
display e(r2)

* save beta values and r2

nl log3: P_WOR ageyear
predict b
matrix list e(b) 
display e(r2)

* save beta values and r2

nl gom3: P_WOR ageyear
predict c
matrix list e(b) 
display e(r2)

* save beta values and r2

Any help would be greatly appreciated. 



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