Frequencies for first 10,000 rows of hit_run variable in accident dataset : Hit-and-Run | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,449 94.49 94.49 1 | 145 1.45 95.94 2 | 387 3.87 99.81 3 | 19 0.19 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016