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Re: Problem with dates in the Ethiopia datasets [message #9035 is a reply to message #8981] Fri, 29 January 2016 12:56 Go to previous messageGo to previous message
Bridgette-DHS is currently offline  Bridgette-DHS
Messages: 2314
Registered: February 2013
Senior Member
Following is a response from Senior DHS Stata Specialist, Tom Pullum:

In the 2011 survey, all dates are in the Ethiopian calendar rather than the Gregorian calendar. The cmc is also calculated consistently with the Ethiopian calendar. For example, you can confirm that v008=12(v007 1900) + v006. This consistency is found in all surveys, whether using the Gregorian, Ethiopian, or Nepalese calendars.

To convert to the Gregorian calendar, add 92 to the Ethiopian cmc. Then get the Ethiopian year and month from the Ethiopian cmc as follows, illustrated again for v006, v007, and v008:

gen v007=int((v008-1)/12)
gen v006=v008-12*v007
replace v007=v007+1900
 
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