On Determining the Number of Upper or Lower Outilers in Normal Sample by Least Squares Procedure

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題名:	On Determining the Number of Upper or Lower Outilers in Normal Sample by Least Squares Procedure
作者:	Wu, Jong-Wuu
貢獻者:	淡江大學統計學系
關鍵詞:	常態樣本;離群值;最小平方過程;Normal Sample;Outlier;Least Square Procedure
日期:	1999-07
上傳時間:	2014-02-12 13:57:32 (UTC+8)
摘要:	In this paper, we suggest a least squares procedure for the determination of the number of upper or lower outliers in normal sample by minimizing sample mean squares error. Moreover, the method free from the effects of masking and swamping, when testing upper or lower outliers in normal samples. In addition, we have also found that the least squares procedure is easy and simple to compute than test procedure Tk suggested by Zhang and Wang (1998) for determining the number of upper or lower outliers, since they need to use the complicated null distribution of Tk. Furthermore, we also correct of the upper bound of the significance probability of Tk suggested by them. Finally, we give two examples to study the practical performance of the procedures.
關聯:	第八屆南區統計研討會議程及論文摘要，頁63-63
顯示於類別:	[統計學系暨研究所] 會議論文

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