E_cum                   Calculate the cumulative Eddington number
E_next                  Get the number of rides required to increment
                        to the next Eddington number
E_num                   Get the Eddington number for cycling
E_req                   Determine the number of additional rides
                        required to achieve a specified Eddington
                        number
E_sat                   Determine if a dataset satisfies a specified
                        Eddington number
rides                   A year of simulated bicycle ride mileages
