2 papers
stat.ML2024
A Density Ratio Super Learner
Wencheng Wu, David Benkeser
The estimation of the ratio of two density probability functions is of great interest in many statistics fields, including causal inference. In this study, we develop an ensemble e…
stat.ML2022
A Huber loss-based super learner with applications to healthcare expenditures
Ziyue Wu, David Benkeser
Complex distributions of the healthcare expenditure pose challenges to statistical modeling via a single model. Super learning, an ensemble method that combines a range of candidat…