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Communications in Statistics - Simulation and Computation Volume 51, 2022 - Issue 6
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Original Articles

A modified Spearman’s rho parameter-free test statistic for early detection of newly emerging phenomena

Halil TanilDepartment of Statistics, Ege University, Izmir, TurkeyCorrespondence[email protected]
&
Agah KozanDepartment of Statistics, Ege University, Izmir, TurkeyORCID Iconhttps://orcid.org/0000-0002-7387-9701
ORCID Icon
Pages 2822-2830 | Received 15 Mar 2019, Accepted 03 Dec 2019, Published online: 23 Dec 2019
 
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Abstract

This paper presents a new and powerful parameter-free test statistic for early detection of newly emerging phenomena, especially for small sample sizes. The exact distribution of the proposed test statistic is obtained. First four cumulants of it and its critical values at some selected α levels of significances are calculated and summarized. A comparative simulation study is performed with some well-known rank-based tests to see its power performance.

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