The principcal component analysis method was uesed in multivariate PCIs was studied. 分析了主成份分析法在多元過程能力指數的應用，以及主成份法在過程能力評價中存在的不足。
Employing Principal Component Analysis method, we can extract a few generated variables from many governance factors, avoiding the problem of multicollinearity. 再以主成份分析法將眾多公司治理因素萃取成數個主成份，以達到變數縮減的效果，避免共線性問題的產生。
By using principal component analysis, turfs insect communities can be divided into three types. 經主成分分析，草坪昆蟲群落可以分為三個類型。
The main factors with the most influence were urease and uratease activities by The Principal Component Analysis of soil enzymes. 對土壤酶活性進行主成分分析，發現起主要作用的是土壤脲酶和尿酸酶。
