自二十世紀中葉，DNA的結構和遺傳功能被發現後，基因就被視為一種「解開生命奧秘的遺傳密碼」和「主宰生命的程式」。本文主要在研究特定小段DNA序列的發生位置在DNA的片段中是否為獨立且均勻分配的，在Statistical Methods in Bioinformatics: An Introduction一書中所介紹的檢定統計量為間距的最大值或最小值，在此，我們將引進兩種統計量：Kolmogorov-Smirnov統計量以及間距對數和統計量與之比較，探討何種檢定方法的檢定力較好。

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