delayed_with            Apply expressions to data.frames
densify                 Increase resolution of data
draw_data               Freehand drawing
mean_dist_to            Mean minimum distance
mean_self_proximity     Inverse of the mean self distance
metamerize              Create metamers
moments_n               Compute moments
set_minimize            Set 'metamer_list' attributes
trim                    Trim a 'metamer_list'
