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st: Two different sampling strategies within the same survey


From   Etan Lakam <[email protected]>
To   [email protected]
Subject   st: Two different sampling strategies within the same survey
Date   Tue, 30 Nov 2010 21:37:23 -0500

Dear Listers,

I am  grappling with how to set the sampling design in Stata using the
svyset command. My problem is that within the same survey a two-stage design
was used in rural areas and a three-stage design in urban areas.

For the the two-stage design:  villages were selected and then there was a
systematic selection of households.  For the three-stage design: electoral
wards were selected, then a census block was taken from each ward and then
household were selected and then women were systematically selected within
each household.

I have two queries:
1-  Would the following command for setting the  sampling design in the
urban area be correct?
*svyset electoral || census ||  household [pweight=house]*
where electoral is the variable for electoral ward, census is the variable
for census block and household is the variable for household, house is the
household weight.

2-  How do I account for the two sampling strategies as I would like to
analyse the whole data: urban+rural? In other words, how do I set the
overall sampling design using svyset?

Thank you in advance

Etan

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