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  • 學位論文

廣義部分線性模型迴歸係數於計數之長期追蹤資料的強韌推論法

指導教授 : 沈仲維
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摘要


本文將利用Royall and Tsou(2003)所提出的強韌概似函數的概念,將其應用在廣義部分線性模型的架構下對有相關性的資料的回歸參數做推論。而研究主題分別以卜瓦松分配為實作模型來分析有相關性的個數資料。特別強調的一點是,由於廣義部分線性模型中有平滑函數,因此,廣義部分線性模型並不滿足所謂的正規條件。 文中我們推導出回歸參數的實作概似函數的修正法,在大樣本以及二階動差存在的條件下,透過修正項得到回歸參數的正確概似函數。在文中的模擬研究則顯示強韌概似比檢定統計量提供正確的統計分析。

並列摘要


The purpose of this research is trying to explore the applicability of the robust likelihood methodology introduced by Royall and Tsou (2003) to the generalized partial linear models. We adopt the poission distribution as the working model when the data is dependent to develop robust likelihood function for the regression parameters in GPLM. We showed details of the derivations of the adjustments that properly amends the working likelihood function. The efficacy of the proposed parametric robust method is demonstrated via simulation studies. It is shown that robust likelihood approach is effective even in irregularity situations caused by the components of the smooth function.

參考文獻


[1]Casella, G. and Berger, R. L. (2002).
Statistical Inference, 2nd edition. CA:Duxbury.
[2] Green, P. J. (1987). Penalized likelihood for general semi-parametric regression models.
International Statistical Review,55, 245-259.
[3] Hastie, T. J. and Tibshirani, R. J. (1990).

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