In this project, I mined the post-processed subset of the ProPublica COMPAS dataset. I used SQL queries to perform data mining on it in PostGreSQL . The application took input support, confidence and protection thresholds. Its output were all PD-CARs that pass the specified thresholds P.S-You can read about the ProPublica COMPAS investigation here https:// www.propublica.org/article/machine-bias-risk-assessments-in-criminalsentencing and here https://www.propublica.org/article/how-we-analyzed-thecompas- recidivism-algorithm