HierarchicalSet-getters
                        Getters for HierarchicalSet objects
create_hierarchy        Create and store hierarchcical sets
hierarchicalSets        Hierarchical analysis and visualization of set
                        data
outlier_hierarchy       Create a new hierarchy based on the outlying
                        elements
outlying_elements       Extract the outlying elements from each set
                        pair
plot.HierarchicalSet    Visualize hierarchical sets
plot_outlier_distribution
                        Plot the outlying elements of a HierarchicalSet
                        object
power_trans             Create a power transformation object
twitter                 Followers of 100 twitter users
