LeafContent             Find names of leaves belongigng to given
                        branches of a hierarchical tree
PartitionTree           Find the most detailed partition of a tree into
                        tight branches.
SigTree                 Perform statistical analysis of tightness for
                        branches of a hierarchical cluster.
T10                     Breast tumor single cells data
best                    An object of class "best"
leukemia                Leukemia data
partition               An object of class "partition"
plot.best               Plot a dendrogam of a hierarchical cluster with
                        branches labeled by their numbers and
                        significance estimates of tightness.
