例句與造句

1. There are three means to decrease the number of attributes : delete irrelevant attributes to the task using fisher ' s discriminant ratio ; merge correlate attributes according to pearson ' s correlation coefficient ; reduce the dimensionality of the attribute vector by singular value decomposition
   在屬性選取時根據(jù)fisher函數(shù)把對分類影響小的屬性刪除，由pearson ' scorrelationcoefficient將相關(guān)聯(lián)的屬性合并，用singularvaluedecomposition減少屬性向量空間的維度。
2. It's difficult to find attribute vector in a sentence. 用attribute vector造句挺難的