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Re: Accounting for different sampling areas over different years [message #3791 is a reply to message #3783] Wed, 11 February 2015 10:44 Go to previous messageGo to previous message
Bridgette-DHS is currently offline  Bridgette-DHS
Messages: 3199
Registered: February 2013
Senior Member
Following is a response from Senior DHS Specialists Ruilin Ren & Trevor Croft:


You need to do something to distinguish the cluster numbers (V001) that have the same value, but they actually came from different surveys. Each cluster from each survey should stand alone as a cluster in your merged file.

You can create a new cluster number as follows:
gen year =.
{ Convert Nepali years to unique survey years }
replace year=2011 if v007 == 2067 | v007 == 2068
replace year=2006 if v007 == 2062 | v007 == 2063
replace year=2001 if v007 == 2057 | v007 == 2058
egen newcluster = group(year v001)

 
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