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Re: Transformation of data items into code 1 and 0 [message #21560 is a reply to message #20547] Wed, 18 November 2020 16:01 Go to previous message
Bridgette-DHS is currently offline  Bridgette-DHS
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Registered: February 2013
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Following is a response from DHS Research & Data Analysis Director, Tom Pullum:

The wealth index is constructed with a factor analysis using binary (1/0) variables constructed for separate categories of variables such as source of drinking water. It is expected that improved water will be given a positive loading and unimproved sources will get a negative loading, but this is determined by the procedure and not in advance. That's why all sources are included.
 
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