A Simulation Study of Multiple Comparisons with the Average under Heteroscedasticity

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題名:	A Simulation Study of Multiple Comparisons with the Average under Heteroscedasticity
作者:	吳淑妃;Wu, Shu-fei;Liao, B. X.
貢獻者:	淡江大學統計學系
關鍵詞:	Two-stage MCA, Single-stage MCA, Monte-Carlo simulation
日期:	2004-01-01
上傳時間:	2009-11-30 12:53:54 (UTC+8)
出版者:	Taylor & Francis
摘要:	In many experimental situations, the average treatment performance within its own group is used as a benchmark to be compared with each individual treatment. Multiple comparison procedures with the average (MCA) are thus proposed. A simulation comparison study of the traditional MCA, the single-stage MCA and the two-stage MCA for normal distribution under heteroscedasticity is investigated by the Monte-Carlo techniques in this paper. It was found that the two-stage MCA has shorter confidence length than the single-stage MCA for most cases and it is also more robust for non-normal distributions. Therefore, the two-stage MCA is recommended. But when the additional samples at the second stage could be costly, the data-analysis oriented single-stage MCA can be used. A biometrical example to illustrate the single-stage MCA and the two-stage MCA with equal confidence length is also given in this article.
關聯:	Communications in Statistics : Simulation and Computation 33(3), pp. 639-659
DOI:	10.1081/SAC-200033355
顯示於類別:	[統計學系暨研究所] 期刊論文

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