5 citations · 11 across the 3 of their papers we have counts for
3 papers
stat.ML2022★ 3 cited
Online Statistical Inference for Contextual Bandits via Stochastic Gradient Descent
Xiangyu Chang, Xi Chen, Zehua Lai +3
With the fast development of big data, learning the optimal decision rule by recursively updating it and making online decisions has been easier than before. We study the online st…
math.ST2021★ 3 cited
Online Statistical Inference for Stochastic Optimization via Kiefer-Wolfowitz Methods
Xi Chen, Zehua Lai, He Li +1
This paper investigates the problem of online statistical inference of model parameters in stochastic optimization problems via the Kiefer-Wolfowitz algorithm with random search di…
cs.DC2020★ 5 cited
Distributed Estimation for Principal Component Analysis: an Enlarged Eigenspace Analysis
Xi Chen, Jason D. Lee, He Li +1
The growing size of modern data sets brings many challenges to the existing statistical estimation approaches, which calls for new distributed methodologies. This paper studies dis…