That would potentially cause a problem with your standard errors since
you are trying to examine a subset. Read the portion of the svy commands
in the manual that deals with subsets of samples in analysis.
C. Amidon
-----Original Message-----
From: Ngo,PT (pgr) [mailto:[email protected]]
Sent: Tuesday, July 29, 2003 7:38 AM
To: [email protected]
Subject: st: RE: repeating the same analysis for each stratum
Hello Phung,
Would this work ? keep only the data for each stratum, and call your do
file. svyset, clear allows to clear the survey variable which I suppose
you have specified in your main analysis.do file.
forvalues k = 1 (1) 26 {
drop if strata~=`k'
svyset, clear
do analysis.do
}
Thi Minh Ngo
-----Original Message-----
From: Phung Lang [mailto:[email protected]]
Sent: 29 July 2003 12:44
To: [email protected]
Subject: st: repeating the same analysis for each stratum
Dear Statalist
I have a database for a complex survey with 26 strata and 100 PSUs. I
have done the analysis using the svy components for the entire database,
and now would like to repeat the same analysis for each of the 26
strata. The planned analysis is already a do.file. I have not been able
to figure out how run this do.file for each stratum efficiently as I am
not a programmer. I have tried "by", but it does not work with the
svymean or do command. Can someone give me some advice? I am using
stata 7.0.
Gratefully yours,
Phung
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