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Re: Problem with dates in the Ethiopia datasets [message #30750 is a reply to message #26323] Mon, 10 February 2025 06:55 Go to previous messageGo to previous message
darrendemers12 is currently offline  darrendemers12
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Registered: February 2025
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To explain somewhat further, the number of months in the CMC variables (even for Ethiopian dates) are computed as follows: each year has 12 months, but when the event was in the 13th month then 13 is added for the number of months. Thus e.g. a person was born in the 13th month of 1960 in the Ethiopian calendar, then the CMC is 60 * 12 + 13. Thus the 5 days in the 13th month really go to the following year when you recomputed the CMC back to years (with 12 months). But this will cause little bias. So just use the CMC as you would for other surveys (intervals should not be divided by 13, but by 12). However, know that on average the Ethiopian calendar lags 92 months behind our Gregorian system.


 
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