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| 題名: | One-stage multiple comparisons with the control for exponential location parameters under heteroscedasticity |
| 作者: | Wu, Shu-Fei;Lin, Ying-Po;Yu, Yuh-Ru |
| 貢獻者: | 淡江大學統計學系 |
| 日期: | 2010-05 |
| 上傳時間: | 2011-10-23 16:38:05 (UTC+8) |
| 出版者: | Amsterdam: Elsevier BV |
| 摘要: | Two-stage multiple comparisons with the control for location parameters of two-parameter exponential distributions under heteroscedasticity are proposed by Lam and Ng [Lam, K., Ng, C.K., 1990. Two-stage procedures for comparing several exponential populations with a control when the scale parameters are unknown and unequal. Sequential Analysis 9 (2) 151–164]. When the additional sample for the second stage may not be available, one-stage procedures including one-sided and two-sided confidence intervals are proposed in this paper. These intervals can be used to identify a subset which includes all no-worse-than-the-control treatments in an experimental design and to identify better-than-the-control, worse-than-the-control and not-much-different-from-the-control products in agriculture, stock market, medical research, and automodels. Tables of upper limits of critical values are obtained using the technique given in Lam [Lam, K., 1987. Subset selection of normal populations under heteroscedasticity. In: Proceedings of the Second International Advanced Seminar/Workshop on Inference Procedures Associated with Statistical Ranking and Selection, Sydney, Australia, August 1987; Lam, K., 1988. An improved two-stage selection procedure. Communications in Statistics — Simulation and Computation 17 (3) 995–1006]. An example of comparing four drugs in the treatment of leukemia is given to demonstrate the proposed procedures. The relationship between the one-stage and the two-stage procedure is also discussed in this paper. |
| 關聯: | Computational Statistics & Data Analysis 54(5), pp.1372-1380 |
| DOI: | 10.1016/j.csda.2009.12.002 |
| 顯示於類別: | [統計學系暨研究所] 期刊論文
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