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RE: st: Getting a random sample from panel data
I am not clear what Stas has in mind here.
As far as I can see the official -sample-
command has no -cluster()- option.
However, this question arose quite recently
on Statalist. Scott Merryman and I put our answers together as
How can I sample clusters, not individuals?
The Statalist FAQ does advise you to look at the FAQs
> you should be able to tweak -sample- with -cluster- option for your
> purposes. It selects the whole cluster, in your case, the whole panel.
> > In my panel data (one observation per year), the variable
> lpnr identifies
> > persons and the variable aar identifies panels.
> > I wish to obtain a 10% probability sample that is
> representative in terms of
> > persons (lpnr). But if the person is selected, I want to
> follow him or her
> > throughout the panels (aar).
> > Findit "random sample" did not help me, though.
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