and a sensitive feature, , a fair class, , is predicted maximizing accuracy under an equalized odds condition ✽ True class, , cannot be used by this predictor ̂ Y S Y∘ Y true positive ratio (TPR) Pr[Y∘ =1 ∣ S=s, Y=1] false positive ratio (FPR) Pr[Y∘ =1 ∣ S=s, Y=0] perfectly accurate point FPR & PPR can be matched satisfying equalized odds the most accurate point satisfying an equalized odds condition feasible region for S=0 feasible region for S=1 { Pr[Y∘=1 ∣ ̂ Y=1,S=1] = 1.0 Pr[Y∘=1 ∣ ̂ Y=0,S=1] = 0.0 { Pr[Y∘=1 ∣ ̂ Y=1,S=1] = 1.0 Pr[Y∘=1 ∣ ̂ Y=0,S=1] = 1.0 { Pr[Y∘=1 ∣ ̂ Y=1,S=1] = 0.0 Pr[Y∘=1 ∣ ̂ Y=0,S=1] = 1.0 { Pr[Y∘=1 ∣ ̂ Y=1,S=1] = 0.0 Pr[Y∘=1 ∣ ̂ Y=0,S=1] = 0.0