⚠️There's a newer version (2.1.6) of this package.Take me there.
cluster (version 2.0.6)
"Finding Groups in Data": Cluster Analysis Extended Rousseeuw et
al.
Description
Methods for Cluster analysis. Much extended the original from
Peter Rousseeuw, Anja Struyf and Mia Hubert,
based on Kaufman and Rousseeuw (1990) "Finding Groups in Data".