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st: DHS data

From   Bolanle Bukoye <>
Subject   st: DHS data
Date   Thu, 05 Nov 2009 00:37:52 -0500

To whom it may concern:

I hope this email finds you well.

I am writing to inquire if you could help me with some issues that I am having with merging the dhs data. I am using the data from Angola and Tanzania for my thesis. In merging the child and household data for Angola, I keep getting error messages on stata. 
I used the household dataset as the base dataset and cluster number and household number as the key variables as suggested on the DHS website. 

My stata code is 
. gen hhid1 = v001 + v002
. sort hhid1
. merge unique using "C:\Users\bola\Documents\Fall 2009\Thesis\AOKR51FL.DTA", uniqmaster

While the household data set is open, I use the merge drop down menu--> select one to many key variables, choose child data set and select the hhid1 variable that I just created. 

Here is the error message that I received on stata : "variable hhid1 does not uniquely identify observations in the master data"

I would really appreciate it if you could provide me with some guidance on this. 
Thank you very much for your help. 

Best regards, 

Bolanle Bukoye
Master of Science Candidate, 2010
Global Health & Population
Harvard School of Public Health 

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