参考文献 (クラスター分析)

1. Hartigan J A and Wong M A (1979) Algorithm AS136:A K-means clustering algorithm Appl.Statist.28 100-108.
2. Hartigan, J. A. 1975.Clustering algorithms.New York:John Wiley and Sons.
3. Everitt B S (1974) Cluster Analysis Heinemann.
4. Krzanowski W J (1990) Principles of Multivariate Analysis Oxford University Press.
5. nag_mv_kmeans_cluster_analysis (g03efc)
6. nag_mv_distance_mat (g03eac), nag_mv_hierar_cluster_analysis (g03ecc), nag_mv_dendrogram (g03ehc) and nag_mv_cluster_indicator (g03ejc)