研究生: |
林雅晴 Ya-Ching Lin |
---|---|
論文名稱: |
有內部控制下微陣列實驗的顯著性分析 Significance Analysis of Microarrays VIA Internal Control |
指導教授: |
許文郁
Wun-Yi Shu |
口試委員: | |
學位類別: |
碩士 Master |
系所名稱: |
理學院 - 統計學研究所 Institute of Statistics |
論文出版年: | 2006 |
畢業學年度: | 94 |
語文別: | 中文 |
論文頁數: | 33 |
中文關鍵詞: | 微陣列 、多重假設檢定 、顯著性分析 、內部控制 、log ratio模型 、虛無假設分配 |
外文關鍵詞: | Microarray, multiple hypothesis testing, significance analysis, internal control, log ratio model, null distribution |
相關次數: | 點閱:2 下載:0 |
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在cDNA微陣列實驗裡,最重要且普遍的問題即是在不同樣本間,搜尋有哪些基因具有表現量的差異。一般皆利用統計方法去對所有基因作多重假設檢定分析,然而在真實微陣列資料裡,檢定統計量往往不符合一般常見的分配,如常態分配、t分配、F分配等等,導致錯誤拒絕率無法有效控制,因而產生過多的錯誤拒絕。文本藉由有內部控制的實驗設計,透過兩個相同的樣本去製造檢定時的虛無假設分配,提供更精確的分析。
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