Hierarchical clustering methods


Distance optimizing combinatorial/agglomerative procedures


Homogeneity-optimizing combinatorial/agglomerative methods


Information theory clustering


Miscellaneous techniques


Non-hierarchical clustering (partitioning)


k-means clustering


Multiple partitioning


Quick clustering


Global optimization


Ordinal clustering


Fuzzy c-means clustering


Ordination methods and their options


Principal components analysis (PCA)


Principal coordinates analysis (PCoA) and Nonmetric Multidimensional Scaling (NMDS)


Correspondence analysis (CoA)


Canonical correspondence analysis (CCoA)


Canonical correlation analysis (COR)


Rendundancy analysis (RDA)


Canonical variates analysis (CVA)