| 研究生: |
蔡明欽 Ming-Qian Cai |
|---|---|
| 論文名稱: |
多變量臨界自迴歸模型之檢定 |
| 指導教授: | 劉淑鶯 |
| 口試委員: | |
| 學位類別: |
碩士 Master |
| 系所名稱: |
理學院 - 統計研究所 Graduate Institute of Statistics |
| 畢業學年度: | 89 |
| 語文別: | 中文 |
| 論文頁數: | 24 |
| 中文關鍵詞: | 臨界自迴歸 |
| 外文關鍵詞: | threshold, change point |
| 相關次數: | 點閱:7 下載:0 |
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所以,非單一線性模型在近年來已經被廣泛的討論.臨界自迴歸模型(threshold autoregression model)用以描述非單一模型的時間數列資料,在非線性的時間序列資料的應用十分廣泛.本文主要依據Chan (1990)單變量臨界自迴歸模型的檢定方法,與Chan (1991)中求取檢定統計量漸近分配之方法,推廣至多變量模型,並驗證近似分配之準確度.
Tsay(1989)及Tsay(1998)對於單變量與多變量臨界自迴歸模型提出一個檢定方法,並且做模擬來檢定其統計量的檢定力近似分配,本文將會在與Tsay相同模擬情況下,檢定Chan之統計量的檢定力,並就兩者之檢定力比較之.
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