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Re:A Way to Detect Bias by vog on Saturday October 31, 2015 @08:03PM (#10484789)
> But we haven't been biased against A. [...] It was just their prior distribution that was different.

This is why that isn't a counter example. Right at the beginning, the article clearly states that this method is only applicable if the prior distribution is equal:

| You can use this technique whenever (a) [...], (b) [...], and (c) the groups of applicants you're looking at have roughly equal distribution of ability.

Re:A Way to Detect Bias by zodiac on Sunday November 01, 2015 @12:52AM (#10485458)
AFAIK pg added that to the article after WildUtah made his comment, and pg acknowledges this in a reply to WildUtah