no code implementations • 12 May 2022 • Rina Friedberg, Karthik Rajkumar, Jialiang Mao, Qian Yao, YinYin Yu, Min Liu
By leveraging prior experimentation, we obtain quasi-experimental variation in item rankings that is orthogonal to user relevance.
3 code implementations • 30 Jul 2018 • Rina Friedberg, Julie Tibshirani, Susan Athey, Stefan Wager
Random forests are a powerful method for non-parametric regression, but are limited in their ability to fit smooth signals, and can show poor predictive performance in the presence of strong, smooth effects.