Frequencies for first 10,000 rows of fire_exp variable in person dataset : Fire | Occurrence | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,848 88.48 88.48 1 | 282 2.82 91.30 . | 870 8.70 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016