Frequencies for first 10,000 rows of drunk_dr variable in accident dataset : DRUNK | DRIVERS | Freq. Percent Cum. ------------+----------------------------------- 0 | 6,221 62.21 62.21 1 | 3,537 35.37 97.58 2 | 238 2.38 99.96 3 | 4 0.04 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016