But ProPublica, an investigative nonprofit, audited that very algorithm with what public data they could find, and found that its outcomes were biased and its predictive power was dismal, barely better than chance, and it was wrongly labeling black defendants as future criminals at twice the rate of white defendants.
하지만 ProPublica라는 비영리 수사 기구가 각종 데이터로 그 알고리즘을 검사했고 밝혀진 사실은 그 알고리즘 예측 성능이 우연과 별다르지 않은 수준이었으며 흑인 피고를 잠재적 범죄자로 낙인찍는 확률이 백인 피고에 비해 두 배나 높다는 것이었습니다.