Frequencies for first 10,000 rows of dr_drink variable in vehicle dataset : DRIVER | DRINKING | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,016 80.16 80.16 1 | 1,984 19.84 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016