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Re: Stratification and sampling in Haiti [message #10897 is a reply to message #10888] Mon, 03 October 2016 08:10 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: Tom Pullum & Trevor Croft.

construct the strata variable in Stata with either of two options:

Option 1:
gen strata = v024 * 2 + v025 - 1
replace strata = 1 if smetrop == 1

or Option 2:
egen strata = group(v024 smetrop)

They result in the same variable. Option 2 is close to "group(v024 v025)", but not quite the same, because v024, code 1, groups together two separate areas Aire metropolitan and the rest of the Ouest region.

 
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