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Small-sample performance of a modified least-failures sampling procedure for bernoulli subset selection

 

作者: Susan M. Sanchez,  

 

期刊: Communications in Statistics - Simulation and Computation  (Taylor Available online 1987)
卷期: Volume 16, issue 4  

页码: 1051-1065

 

ISSN:0361-0918

 

年代: 1987

 

DOI:10.1080/03610918708812636

 

出版商: Marcel Dekker, Inc.

 

关键词: screening;sequential sampling;binomial distribution;simulation

 

数据来源: Taylor

 

摘要:

We describe two sequential sampling procedures for Bernoulli subset selection which were shown to exhibit desirable behavior for large-sample problems. These procedures have identical performance characteristics in terms of the number of observations taken from any one of the populations under investigation, but one of the procedures employs one-at-a-time sampling while theother allows observations to be taken in blocks during early stages of experimentation. In this paper, a simulation study of their behavior for small-sample cases (n > 25) reveals that they canresult in a savings (sometimes substantial) in the expected total number of observations requiredto terminate the experiment as compared to single-stage procedures. Hence they may be quite usefulto a practitioner for screening purposes when sampling is limited.

 

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