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st: how to index regressions inside a foreach loop in order to avoid writing over the estimates


From   hind lazrak <hindstata@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: how to index regressions inside a foreach loop in order to avoid writing over the estimates
Date   Thu, 13 Oct 2011 14:54:18 -0700

Hello

I am using Stata Version 10 on Windows Vista.
The analysis I am conducting is exploratory and involves a long list
of independent variables I am testing using simple linear regression.
In order to see which variables are "promising" I'd like to find a way
to store each model estimate and ideally figure out how to tabulate
only those that have a p-value<0.1.

The code I used is as follow

foreach var of varlist [list of 55 vars] {
qui reg y1 `var'   */ first set of regressions looking at Y1
eststo model1`var'

qui reg y2 `var'  */ second set of regressions looking at Y2
eststo model2`var'
}
estimates table model1`var' model`var', beta not

This code is not working because it overwrites all the estimates in
each regression and only keeps the last one. Also I did not figure out
how to only show those with p-val<0.1

I think I need to create another loop to index each regression or
maybe I need to store in a matrix...can anyone help me?

Thank you for your time!

Hind
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