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Re: st: Analysis on subset of Demographic and Health Survey (DHS) data


From   Friedrich Huebler <fhuebler@gmail.com>
To   statalist@hsphsun2.harvard.edu
Subject   Re: st: Analysis on subset of Demographic and Health Survey (DHS) data
Date   Sun, 27 Oct 2013 09:48:37 -0400

French,

I have to retract my comment about the filename. The -use- command is
valid if you have a folder TZKR62DT that contains the file
TZKR62FL.DTA.

Sorry for my mistake,

Friedrich

On Sun, Oct 27, 2013 at 9:22 AM, Friedrich Huebler <fhuebler@gmail.com> wrote:
> French,
>
> Please have a look at the Statalist FAQ (link at the bottom of this
> message). Some excerpts:
>
> "The current version of Stata is 13.0. Please specify if you are using
> an earlier version"
>
> The fact that you use -set mem- indicates that you have Stata 11 or older.
>
> "Say exactly what you typed and exactly what Stata typed (or did) in response."
>
> I assume that you did not type "use TZKR62DT/TZKR62FL.DTA" because
> that is not a valid filename in most operating systems. You also don't
> explain why the command "keep if B9==0" is not recognized because you
> omitted the output from Stata.
>
> Now to your questions. The data for children under 5 from the Tanzania
> DHS 2010 has only 8023 observations. It is not clear why you expect
> 8081 observations. The survey report, which you cite as reference, has
> 480 pages.
>
> The command -keep if B9==0- will yield an error message because the
> variable B9 doesn't exist in the data. Stata is case-sensitive and the
> correct variable name is b9.
>
> Friedrich
>
> On Sat, Oct 26, 2013 at 12:53 PM, french Smith <french.c.smith@gmail.com> wrote:
>> Dear STATA crowd,
>>
>> I wish to analyze the Demographic and Health Surveys (DHS) data on
>> children under five.
>>
>> I have set up my analysis as follows, using at Tanzania DHS 2010 as a
>> starting point. But I have two questions:
>>
>> 1. Why do I have 8,023 cases not the 8,081 that the report (the report
>> and dataset are available at
>> http://www.measuredhs.com/what-we-do/survey/survey-display-345.cfm)
>> says exit?
>>
>> 2. How do I restrict the analysis to V465, which was a question asked
>> only of respondents with a youngest child under five living with them?
>>
>> Maybe questions, sorry, but my STATA mind needs jogging!
>>
>> Thanks!
>>
>> French
>>
>>
>> set mem 450m
>>
>> set matsize 800
>>
>> use TZKR62DT/TZKR62FL.DTA
>>
>> *v022 is sample stratum number
>> gen stratid = v022
>>
>> *v021 is PSU
>> gen psu = v021
>>
>> *v005 is sample weight
>> gen weight = v005/1000000
>>
>> svyset psu [pw=weight], strata(stratid)
>>
>> *Just to compare totals. Should get 8,081 for Tanzania DHS 2010 not 8,023!
>> tab stratid
>>
>> *keep if complete response
>> keep if v015==1
>>
>> *keep if child lives with respondent. But this command isn’t recognized!
>> keep if B9==0

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