(sacrifice)
Four: importance weights too. Not that they are very important in Stata.
Nick
Mustillo, Sarah A
Remember that Stata
allows you specify 3 different kinds of weights - analytic weights,
sampling weights, and frequency weights, which is a strength rather than
a weakness. Some programs treat a probability weight and a frequency
weight as the same.
*
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* http://www.stata.com/support/faqs/res/findit.html
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