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題名:	組可分處理設計當觀測值漏失時之穩健性之探討
其他題名:	Robustness of Group Divisible Treatment Designs Against Missing Observations
作者:	丁兆平 Ting, Chao-ping
貢獻者:	統計系
關鍵詞:	A-效率值;連接;組可分處理設計;殘留設計;穩健性 A-efficiency;Connected;GDTD;Residual design;Robustness
日期:	1998.06
上傳時間:	2014-06-10 17:56:34 (UTC+8)
摘要:	本文旨在探討組可分處理設計(group divisible treatment design, GDTD)當資料漏失時之穩健性(robustness)。資料漏失之情形分下列二種：一為某集區內漏失t個對照處理(control treatment)之觀測值，另一為某集區之所有觀測值均漏失。至於穩健性，本文將考慮連接(connectedness)穩健性與A-效率(A-efficiency)穩健性兩種。文中導出一般組可分處理設計之A-效率值，亦確實計算出當λ□=0或λ□=0之特殊組可分處理設計之A-效率值。 Robustness of group divisible treatment designs (GDTD) against missing data is investigated under two patterns of missing observations. One is when t observations of the control treatment pertaining to one block are missing, and the other is when all the observations in one block are missing. Two criteria of robustness are considered, the criterion of connectedness~ and the criterion of A-efficiency. Robustness of general GDTD`s are investigated, and the exact A-efficiencies of GDTD`s when λ□=0 and λ□=0 are derived, respectively.
關聯:	中國統計學報, 36(2), 109-126
資料類型:	article
顯示於類別:	[統計學系] 期刊論文

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