50 citations · 51 across the 2 of their papers we have counts for
2 papers
stat.ME2019★ 1 cited
Robust Causal Inference for Incremental Return on Ad Spend with Randomized Paired Geo Experiments
Aiyou Chen, Timothy C. Au
Evaluating the incremental return on ad spend (iROAS) of a prospective online marketing strategy (i.e., the ratio of the strategy's causal effect on some response metric of interes…
stat.ML2017★ 50 cited
Random Forests, Decision Trees, and Categorical Predictors: The "Absent Levels" Problem
Timothy C. Au
One advantage of decision tree based methods like random forests is their ability to natively handle categorical predictors without having to first transform them (e.g., by using f…