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Re: Unique identifier in pooled DHS (countries and years) [message #975 is a reply to message #971]

Wed, 11 December 2013 14:41

Reduced-For(u)m
Messages: 292
Registered: March 2013

Senior Member

Hi Marion,

I don't have a great answer for how to use those variables to create a unique id number, but if all you want is a unique id (and don't want to use part of that ID to somehow group the obs by, say, country and round) then one easy way would just be:

gen id = _n

Then you'll get unique IDs of 1-N. If you have to match this to other data somehow, you could always sort it:

sort country wave something
gen id = _n

Or, if you want to check your intuition on what isn't unique, you could create a number of each "wave" within each "phase" and then add .01*wave (or 10000000*wave, however many 0s you need) to each identifier, and see if you have unique ID's.

Now, if there is some reason you need some more specific kind of ID number, then these might not work and you might need to wait for a DHS person to help.

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[Message index]

		Unique identifier in pooled DHS (countries and years) By: marion on Tue, 10 December 2013 08:40
		Re: Unique identifier in pooled DHS (countries and years) By: Reduced-For(u)m on Wed, 11 December 2013 14:41

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