Abstract:In this work, we study the problem of testing the marginal distributions of multiple independent, sequentially observed data streams, where for each stream there are multiple candidate hypotheses to select from, in the presence of prior information on the unknown hypothesis configuration. The goal is to understand the benefit of such information and to design a sequential testing procedure that effectively leverages it. We start with arbitrary prior information and specialize to concrete examples, including known number or known lower bound on the number of streams following each hypothesis, and the presence of exclusive hypotheses. The designed procedure is three-fold: (i) reliable, i.e., controlling all types of familywise error probabilities below arbitrary user-specified levels, (ii) computationally efficient, i.e., focusing on minimal sets of alternative hypothesis configurations in making decisions, and (iii) asymptotically optimal, i.e., achieving the minimum expected sample size among all reliable procedures asymptotically as the error levels go to zero. Numerical studies are presented for illustration.
From: Yiming Xing [view email]
[v1]
Sat, 30 May 2026 18:29:46 UTC (124 KB)
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