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Which "standard errors" are you referring to? -svyset- only declares the
design to Stata.
HTH
Martin
-----Ursprüngliche Nachricht-----
Von: [email protected]
[mailto:[email protected]] Im Auftrag von Tomeka Davis
Gesendet: Montag, 9. November 2009 22:33
An: [email protected]
Betreff: st: help interpreting SVY output
Hello -
This is my first time using the set of SVY commands in Stata and I have a
few questions. When I use the syntax:
svyset psu [pweight=pw], strata (strata)
Stata 1) does not calculate the standard errors and 2) I get a message
stating that standard errors are" missing because of stratum with single
sampling units".
Furthermore, I am also getting incorrect counts for my PSU. There were
originally only 100 PSUs in my data. However, I do get standard errors with
the following syntax:
svyset psu [pweight=pw], strata (strata) || _n, singleunit(certainty)
But I still get a 455 PSU count. Again, I have never used SVY to account
for clustering and complex survey design. I would appreciate any advice.
Thank you.
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