Performs hierarchical clustering of data using specified method and seraches for optimal cutoff empoying VIF criterion suggested in "Okada Y. et al - Detection of Cluster Boundary in Microarray Data by Reference to MIPS Functional Catalogue Databa

层次聚类算法-BIRCH，划分聚类算法—Kmeans，Kmodies，cannpoy等。-Hierarchical clustering algorithm-BIRCH, partition clustering algorithm-Kmeans, Kmodies, cannpoy like.