English  |  正體中文  |  简体中文  |  Items with full text/Total items : 88295/117812 (75%)
Visitors : 23399702      Online Users : 114
RC Version 6.0 © Powered By DSPACE, MIT. Enhanced by NTU Library IR team.
Scope Tips:
  • please add "double quotation mark" for query phrases to get precise results
  • please goto advance search for comprehansive author search
  • Adv. Search
    HomeLoginUploadHelpAboutAdminister Goto mobile version
    Please use this identifier to cite or link to this item: http://nccur.lib.nccu.edu.tw/handle/140.119/69617


    Title: 多維列聯表離群細格偵測探討
    Other Titles: Identification of the Outlier Cells in Multi-Way Contingency Tables.
    Authors: 江振東
    Contributors: 統計學系
    Keywords: 列聯表;離群細格;近似獨立性;殘差
    Contingency table;Outlier cell;Quasi-independence;Residual
    Date: 1996
    Issue Date: 2014-09-02 17:32:00 (UTC+8)
    Abstract: 在處理列聯表(Contingency tables)資料時,適合度檢定(Goodness-of-fit-test)的結果如果是顯著的話,通常意味著配適模式的不恰當,而這其中一個可能原因是資料中存在離群細格(Outlier cells)。因此我們常希望能夠針對問題,找出離群細格。離群細格的偵測通常藉由不同定義的殘差作為工具,從而衍生出各種不同的偵測方法。不過以往文獻中的探討多局限於二維列聯表離群細格的偵測,對於三維或三維以上列聯表的情形則沒有比較具體的討論。在這個研究計畫中,我們依據Brown(1974)以及Simonoff(1988)的建議,提出一個適用於三維列聯表離群細格偵測的方法。模擬實驗的結果顯示,在絕大多數的情形下,這個方法的表現較Brown(1974), Simonoff(1988)及統計套裝軟體BMDP的4F程序有顯著的改善。
    Chi-square goodness-of-fit tests are usually employed to test whether a model fits a contingency table well. When the test is significant, we would generally like to identify the sources that cause significance. The existence of outlying cells that contribute heavily to the test statistic may be one of the reasons. Many procedures have been proposed to locate outlying cells in a two-way table. Generalization to higher-dimensional tables, however, was either unclear or never mentioned. Motivated by Brown (1974), and Simonoff (1988), we propose an alternative method which is applicable to any three-way table. Based on simulation results, we find that the procedure performs reasonably well, and it has better performances than Brown's, Simonoff's, and BMDP program 4F most of the time.
    Relation: 行政院國家科學委員會
    計畫編號NSC85-2121-M004-005
    Data Type: report
    Appears in Collections:[統計學系] 國科會研究計畫

    Files in This Item:

    File Description SizeFormat
    index.html0KbHTML616View/Open


    All items in 政大典藏 are protected by copyright, with all rights reserved.


    社群 sharing

    著作權政策宣告
    1.本網站之數位內容為國立政治大學所收錄之機構典藏,無償提供學術研究與公眾教育等公益性使用,惟仍請適度,合理使用本網站之內容,以尊重著作權人之權益。商業上之利用,則請先取得著作權人之授權。
    2.本網站之製作,已盡力防止侵害著作權人之權益,如仍發現本網站之數位內容有侵害著作權人權益情事者,請權利人通知本網站維護人員(nccur@nccu.edu.tw),維護人員將立即採取移除該數位著作等補救措施。
    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback