淡江大學機構典藏:Item 987654321/51879
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    题名: 局部偏離分析
    其它题名: Analysis of locally diversity
    作者: 廖家彥;Liao, Chia-yan
    贡献者: 淡江大學數學學系碩士班
    伍志祥
    关键词: 堅尼係數;漢明距離;局部偏離;科爾默戈羅夫-斯米爾洛夫檢驗;克魯斯卡爾-沃利斯檢驗;無母數統計;Gini Index;Hamming distance;Locally Diversity;Kolmogorov-Smirnov Test;Kruskal-Wallis Test;U-statistic
    日期: 2010
    上传时间: 2010-09-23 16:14:19 (UTC+8)
    摘要: 本文目的在於檢定多個連續型隨機變數的母體分佈是否相同,首先對連續型隨機變數值域建構k個不同的分割,依據這些分割可以把連續型隨機變數轉換成高維度多項分佈的隨機向量,如此兩連續型隨機變數就能對應一個漢明距離,這是一個衡量離散資料的變異指標,P.K.Sen (2003)以漢明距離建構變異數分析來檢定隨機向量的邊際多樣性是否相同。但對於兩個連續型隨機變數用這個方法產生的漢明距離,會因為不同分割的選取而有不同的計算結果。針對此問題,我們讓k往無限大逼近,漢明距離會收斂到一正值,我們稱此正值為這兩隨機變數的局部偏離量。本論文是以局部偏離量建構變異數分析並稱為局部偏離分析。我們以模擬的方式比較探討局部偏離分析與Kolmogorov-Smirnov Test(1933)和 Kruskal-Wallis Test(1952)的檢定力。
    In this thesis, a new procedure based on Hamming distance is proposed to test whether a collection of G independent continuous samples are drawn from the same population. For the i-th sample of size ni, i=1,2,…,G, we repeatedly partition the sample space into C cells for K times such
    that every observation is transformed into an k-tuple to label its cell membership, in terms of the numbers 1,2,…,C, in k different partitions. Consequently, for the i-th sample we obtain ni such k-tuples. The proposed test statistics is then based on all the resultant k-tuples of all observations of the G samples. As k increases, the proposed test statistics becomes less sensitive to the choice of cell origin in each partition. And as k → ∞ , the test statistics converges to a positive constant, called local diversity, and is used to test the homogeneity of G samples. For the case of G=2, We compare the power of the proposed test with those of Kolmogorov-Smirnov and Kruskall-Wallis test.
    显示于类别:[應用數學與數據科學學系] 學位論文

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