cDistance               Selection of number of clusters via
                        distance-based measures
cStability              Selection of number of clusters via clustering
                        instability
cluster_example         Cluster example
cstab                   cstab: Selection of number of clusters via
                        normalized clustering instability
lookup                  Create lookup table
plot.cstab              Plot method for cstab objects
print.cstab             Print method for cstab objects
