create_1D_mapper_object
                        One-Dimensional Mapper
create_ball_mapper_object
                        Ball Mapper
create_balls            Greedy Baller
create_clusterball_mapper_object
                        ClusterBall Mapper
create_mapper_object    Mapper
create_width_balanced_cover
                        Width-Balanced Cover Maker
eccentricity_filter     Eccentric Lens
global_hierarchical_clusterer
                        Global Longevity Clusterer
local_hierarchical_clusterer
                        Local Longevity Clusterer
