Frequencies for first 10,000 rows of drunk_dr variable in accident dataset : DRUNK | DRIVERS | Freq. Percent Cum. ------------+----------------------------------- 0 | 6,052 60.52 60.52 1 | 3,677 36.77 97.29 2 | 264 2.64 99.93 3 | 7 0.07 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016