Algorithms Datasets Questions? Get in touch Facebook Ad Categories free Facebook Ad Categories free A unique data set of Facebook ad groups and interest categories, collected by ProPublica reporters. Learn more Source ProPublica, Facebook Learn more Amazon Pricing Data free Amazon Pricing Data free Data collected by ProPublica on product and shipping costs for 6,973 vendor listings of 250 best-selling products on Amazon. Learn more Source Amazon, ProPublica Dates Summer 2016 Learn more COMPAS Recidivism Risk Score Data and Analysis free COMPAS Recidivism Risk Score Data and Analysis free The data, code, and documentation behind our analysis of Northpointe, Inc.'s COMPAS risk-assessment algorithm for the story, "Machine Bias," by Julia Angwin, Jeff Larson, Surya Mattu and Lauren Kirchner. Learn more Source Broward County Clerk’s Office, Broward County Sherrif's Office, Florida Department of Corrections, ProPublica Dates 2013-2014 Learn more