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st: multistage sample survey and coding


From   r <ratnayakerc@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   st: multistage sample survey and coding
Date   Sat, 24 Sep 2011 10:42:53 +0200

Dear Statalisters,

I am new to multistage sampling and surveys with Stata and would like
to get a sense if I am on the right track with my coding.

I have survey data from a three stage cluster survey that demarcates
the following stages: District (1), Village (2), Household (3). The
districts and villages were both selected proportional to population
sizes.

Would this be the correct coding for setting the parameters of the
survey design?
If so, why is the second sampling unit (village) not included in svy
description of the sampling stages?

. svyset district, vce(linearized) singleunit(missing) || village|| _n

(When entered, this following is returned:)

Note: stage 1 is sampled with replacement; all further stages will be ignored

      pweight: <none>
          VCE: linearized
  Single unit: missing
     Strata 1: <one>
         SU 1: district
        FPC 1: <zero>

Many thanks in advance for your thoughts.


Ruwan
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