欧氏距离(Euclidean Distance)
曼哈顿距离(Manhattan Distance)
切比雪夫距离(Chebyshev Distance)
闵可夫斯基距离(Minkowski Distance)
汉明距离(Hamming Distance)
余弦相似度(Cosine Similarity)
皮尔森相关系数(Pearson Correlation Coefficient)
杰卡德相似系数(Jaccard Similarity Coefficient)及杰卡德距离(Jaccard Distance)