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Mathematics > Statistics Theory

arXiv:1103.5991 (math)
[Submitted on 30 Mar 2011 (v1), last revised 3 Jun 2011 (this version, v2)]

Title:Sequential Analysis in High Dimensional Multiple Testing and Sparse Recovery

Authors:Matthew Malloy, Robert Nowak
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Abstract:This paper studies the problem of high-dimensional multiple testing and sparse recovery from the perspective of sequential analysis. In this setting, the probability of error is a function of the dimension of the problem. A simple sequential testing procedure is proposed. We derive necessary conditions for reliable recovery in the non-sequential setting and contrast them with sufficient conditions for reliable recovery using the proposed sequential testing procedure. Applications of the main results to several commonly encountered models show that sequential testing can be exponentially more sensitive to the difference between the null and alternative distributions (in terms of the dependence on dimension), implying that subtle cases can be much more reliably determined using sequential methods.
Comments: Submitted to ISIT 2011
Subjects: Statistics Theory (math.ST); Information Theory (cs.IT)
Cite as: arXiv:1103.5991 [math.ST]
  (or arXiv:1103.5991v2 [math.ST] for this version)
  https://doi.org/10.48550/arXiv.1103.5991

Submission history

From: Matt Malloy [view email]
[v1] Wed, 30 Mar 2011 16:56:29 UTC (15 KB)
[v2] Fri, 3 Jun 2011 18:52:24 UTC (14 KB)
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