例句與造句

1. At the same time , this paper puts forward a validity function for judging clustering in order to lead us to use it in k - nearest neighbor classification ; then introduces " generalization capability of a case " to k - nearest neighbour . according to the proposed approach , the cases with better generalization capability are maintained as the representative cases while those redundant cases found in their coverage are removed . we can find a new less but almost complete training data set , consequently reduce complexity of seeking near neighbour
   針對k值的學習，本文初步使用了遺傳算法選擇較優(yōu)的k值，同時總結了一種聚類有效性函數(shù)，數(shù)值實驗證實了其有效性，旨在指導應用于k -近鄰分類中；然后還將“擴張能力”的概念引入k -近鄰算法，根據(jù)訓練集例子不同的覆蓋能力，刪除冗余樣本，得到數(shù)量較小同時代表類別情況又比較完全的新的訓練集，從而降低查找近鄰復雜性。
2. It's difficult to find nearest neighbor classification in a sentence. 用nearest neighbor classification造句挺難的