A series of talks from the Summer Institute in Computational Social Science (SICSS), which took place in Oxford, 2019. The full programme, downloadable slides & data, and more details about the institute can be found at https://compsocialscience.github.io/summer-institute/2019/oxford/SICSS-Oxford received financial support from the University of Oxford’s Van Houten fund, the Social Sciences Division’s Teaching Development and Enhancement Project (TDEP) award, Nuffield College, Alfred P. Sloan Foundation and Russell Sage Foundation.