Frequencies for first 10,000 rows of fire_exp variable in vehicle dataset : Fire | Occurrence | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,674 96.74 96.74 1 | 326 3.26 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016