English  |  正體中文  |  简体中文  |  Items with full text/Total items : 67621/67621 (100%)
Visitors : 23103349      Online Users : 274
RC Version 7.0 © 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://ir.lib.ncu.edu.tw/handle/987654321/27777

    Title: Improved p-Value Tests for Comparing Two Independent Binomial Proportions
    Authors: Lin,CY;Yang,MC
    Contributors: 統計研究所
    Date: 2009
    Issue Date: 2010-06-29 19:33:24 (UTC+8)
    Publisher: 中央大學
    Abstract: In the comparison of two independent binomial proportions for small or moderate sample sizes, Fisher's exact test can be conservative in the sense of its actual significance level (or size) being much less than the nominal level. Boschloo (1970) proposed a procedure, which raises the significance level used for the p-value test derived from Fisher's exact test, such that the size of the p-value test is closer to and below the nominal level. Rohmel and Mansmann (1999) used the unconditional approach, called the supremum procedure, to a valid p-value to obtain a modified p-value test, and showed that the modified p-value test is always better than the original one. In this article, we show that Rohmel and Mansmann's procedure is equivalent to Boschloo's procedure. The supremum procedure will then be applied to some well-known p-value procedures appeared in the literature. Numerical studies including two real cases are given to illustrate the advantages of the proposed modified p-value tests. Numerical results also show that the sizes of modified p-value tests are closer to nominal levels than those of the original p-value tests for many cases, especially in case of unbalanced sample sizes.
    Appears in Collections:[統計研究所] 期刊論文

    Files in This Item:

    File Description SizeFormat

    All items in NCUIR are protected by copyright, with all rights reserved.

    社群 sharing

    ::: Copyright National Central University. | 國立中央大學圖書館版權所有 | 收藏本站 | 設為首頁 | 最佳瀏覽畫面: 1024*768 | 建站日期:8-24-2009 :::
    DSpace Software Copyright © 2002-2004  MIT &  Hewlett-Packard  /   Enhanced by   NTU Library IR team Copyright ©   - Feedback  - 隱私權政策聲明