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A note on the two-stage multiple comparison procedures with the average for exponential location parameters under heteroscedasticity

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  • Shu-Fei Wu

Abstract

In this paper, we present new two-stage multiple comparison procedures with the average for location parameters of two-parameter exponential distributions under heteroscedasticity by modifying the existing one proposed by Wu and Wu. Not like one-stage procedures, two-stage multiple comparison procedures are design oriented. A simulation comparison study is done for the new two stage procedures, the old two stage procedures in Wu and Wu and the existing one-stage procedures. The results show that the proposed procedures have shorter confidence length with coverage probabilities closer to the nominal ones than the old two-stage one. At last, an example of four drugs for the treatment for leukemia is studied for illustrative aims.

Suggested Citation

  • Shu-Fei Wu, 2023. "A note on the two-stage multiple comparison procedures with the average for exponential location parameters under heteroscedasticity," Communications in Statistics - Theory and Methods, Taylor & Francis Journals, vol. 52(10), pages 3219-3228, May.
    • Handle: RePEc:taf:lstaxx:v:52:y:2023:i:10:p:3219-3228
    DOI: 10.1080/03610926.2021.1970769
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