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Re: Definition of ARI [message #13463 is a reply to message #13406] Mon, 06 November 2017 13:13 Go to previous messageGo to previous message
Bridgette-DHS is currently offline  Bridgette-DHS
Messages: 3167
Registered: February 2013
Senior Member
Here's a response from Senior DHS Stata Specialist, Tom Pullum:

You are right, cases with h31b or h31c equal to 8 or 9 will be assigned to "ari=0", even though this may be an error. The general rule for most outcomes is that the default category is 0. We only assign to 1 if there is a clear indication. This convention is analogous to favoring the null hypothesis in hypothesis testing, or assuming that someone is innocent unless proven guilty in criminal cases. Favoring "0", if in doubt, may underestimate the prevalence of "1" but is usually considered preferable to doing the reverse.
 
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