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st: Getting a random sample from panel data
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.
Any help is appriciated.
Lillehammer University College
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