Context-dependent Ranking and Selection under a Bayesian Framework

10 Dec 2020  ·  Haidong Li, Henry Lam, Zhe Liang, Yijie Peng ·

We consider a context-dependent ranking and selection problem. The best design is not universal but depends on the contexts. Under a Bayesian framework, we develop a dynamic sampling scheme for context-dependent optimization (DSCO) to efficiently learn and select the best designs in all contexts. The proposed sampling scheme is proved to be consistent. Numerical experiments show that the proposed sampling scheme significantly improves the efficiency in context-dependent ranking and selection.

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