A nonsymmetric sequential test

A. Irle () and V. I. Lotov ()

Metrika: International Journal for Theoretical and Applied Statistics, 2004, vol. 59, issue 2, 137-146

Abstract: A one-sided testing problem based on an i.i.d. sample of observations is considered. The usual one-sided sequential probability ratio test would be based on a random walk derived from these observations. Here we propose a sequential test where the random walk is replaced by Lindley’s random walk which starts anew at zero as soon as it becomes negative. We derive the asymptotics of the expected sample size and the error probabilities of this sequential test. We discuss the advantages of this test for certain nonsymmetric situations. Copyright Springer-Verlag 2004

Keywords: Sequential test; Lindley’s random walk; expected sample size (search for similar items in EconPapers)
Date: 2004
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Persistent link: https://EconPapers.repec.org/RePEc:spr:metrik:v:59:y:2004:i:2:p:137-146

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DOI: 10.1007/s001840300275

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