computept               Computes a persistence terrace of point cloud
                        data.
four_feature_dat        Point cloud of four features; square, circle,
                        equilateral and isosceles triangles
muscle_fiber_dat        Point cloud sampled from the muscle tissue
                        cross-sectional image
plotpt                  Draws a persistence terrace.
terracearea             Draws a terrace area plot for a persistence
                        terrace.
three_circle_dat        Point cloud of three circles of different size
                        and point density
two_circle_density_dat
                        Point cloud of two circles of same size but
                        different point density
two_circle_noise_added_dat
                        Point cloud of two circles of different size
                        and density with noise
two_circle_size_dat     Point cloud of two circles of same point
                        density but different size
