st: Combining residuals of multiple regressions

[roderick <roderickstokx@live.nl>]

Dear Stata community,

For my thesis, I am running US-state-specific regressions and saving the state-specific residuals. The commands for the first two regressions look as follows (the variables shown are just for illustration purposes):

regress accidentsvso unemp if(state==1)
predict res1 if(state==1), r
regress accidentsvso unemp if(state==4)
predict res4 if(state==4), r

Now, I would like to create a variable that captures the residuals of all these regressions. So, I want to 'merge' all state-specific residuals and put them in into one list (as can be seen here>> http://i60.tinypic.com/9ptceo.png; I want the seventh column to contain all residuals).

This is probably a simple question, but I could not figure out how to do it. I am using Stata 12 for Windows.

Thanks in advance!

Roderick 		 	   		  
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