st: Regression: All possible subsets

[Marcello Pagano <pagano@hsph.harvard.edu>]

Raphael Fraser wrote:
> I have six variables and would like to fit all possible subsets
> (64=2^6) in a regression model. Lets say my variables are x1, x2, ...,
> x6 plus outcome variable y. How can I program Stata to fit all
> possible subsets?
>
> Raphael
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