Dr. Walter Leite demonstrates the use of the grf package in R to evaluate heterogeneity of treatment effects in a large scale field experiment of a video recommendation system.
This tutorial is based on reduced data from the study:
Leite, W. L., Kuang, H., Shen, Z., Chakraborty, N., Michailidis, G., D’Mello, S., & Xing, W. (2022). Heterogeneity of Treatment Effects of a Video Recommendation System for Algebra. In: Proceedings of the Ninth ACM Conference on Learning @ Scale (L@S’22), p.1-3, New York City, NY, USA: ACM, https://doi.org/10.1145/3491140.3528275