L
L. Jeff Hong
Researcher at Fudan University
Publications - 97
Citations - 2659
L. Jeff Hong is an academic researcher from Fudan University. The author has contributed to research in topics: Estimator & Selection (genetic algorithm). The author has an hindex of 24, co-authored 91 publications receiving 2166 citations. Previous affiliations of L. Jeff Hong include Hong Kong University of Science and Technology & City University of Hong Kong.
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Proceedings ArticleDOI
Stochastic trust region gradient-free method (strong): a new response-surface-based algorithm in simulation optimization
TL;DR: Stochastic Trust Region Gradient-Free Method (STRONG) is proposed for simulation optimization with continuous decision variables to solve these two problems and has the potential of solving high-dimensional problems efficiently.
Posted Content
Ranking and Selection with Covariates for Personalized Decision Making
TL;DR: The goal of ranking and selection with covariates (R&S-C) is to use simulation samples to obtain a selection policy that specifies the best alternative with certain statistical guarantee for subsequent individuals upon observing their covariates and a linear model is proposed to capture the relationship between the mean performance of an alternative and the covariates.
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Distributionally Robust Selection of the Best
TL;DR: In practice, there may be multiple plausible distributions that can fit the input data reasonably well, e.g. as discussed by the authors, but the problem of finding a proper input distribution is often a challenging task in simulation modeling.
Proceedings ArticleDOI
Input uncertainty and indifference-zone ranking & selection
TL;DR: The indifference-zone formulation of ranking and selection is explored, finding that input uncertainty may force the user to revise, or even abandon, their objectives when employing a R&S procedure, or it may have very little effect on selecting the best system even when the marginal input uncertainty is substantial.
Journal ArticleDOI
Chance Constrained Selection of the Best
TL;DR: This paper designs procedures that first check the feasibility of all solutions and then select the best among all the sample feasible solutions, and proves the statistical validity of these procedures for variations of the CCSB problem under the indifference-zone formulation.