st: using a loop to run multiple regression models

[Maria Ana Vitorino <vitorino@wharton.upenn.edu>]

Dear statalist users,
Can something similar to this be done in stata? The code I'm providing  
is *clearly incorrect* but I think it gives the idea of what I'm  
looking for.
 I'm basically trying to create sets of right-hand sets variables  
that can be used to generate several model specifications.
And can I also include a counter in the loop that keeps track of how  
many different model specifications were estimated so that I can  
generate fitted values using the counter value as an index?

counter=1
local rhssets ` "x1 x2" "x2 x3 "'
foreach rhs of loc rhssets{
corr `rhs'
reg Y `rhs'
counter=counter+1
predict yhat`counter'
}

Any help is appreciated.
Thanks!
Ana
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