Group fairness
There are different ways of defining fairness . One major distinction is between group fairness and individual fairness.
The guidance material of the AI Fairness 360 Toolkit explains group fairness as such:
Group fairness, in its broadest sense, partitions a population into groups defined by protected attributes and seeks for some statistical measure to be equal across groups.
The Fairlearn toolkit takes a group fairness approach and explains it as follows:
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