However, if the centroids are initialized randomly, clustering on the relative expression ratio under Euclidean distance metrics can obtain the best results.

• 若随机初始化质心 ,则采用取相对表达水平的预处理方式 ,以欧几里德距离 (Euclidean distance)作为相似性测量准则 ,可以获得最佳的聚类结果 ;