隨著科技不斷的進步，人們需要處理的資料量也不斷地增加。在巨量資料的分析上，維度縮減將有助於增進效率。本篇論文主要介紹切片平均變異數估計維度縮減方法，並將此法應用於整體相關性檢定問題上。我們考慮切片平均變異數估計法中的邊際維度檢定，並將利用排列重抽法建構檢定統計量的虛無分配，藉此計算排列顯著值來獲得統計推論。此整體相關性檢定可用在基因組分析問題上，以驗證特定基因組與外顯特徵變數間的相關程度。最後我們將模擬本檢定的型一誤差率和檢定力，並與前人提出的方法做比較。

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