Frequencies for first 10,000 rows of fire_exp variable in person dataset : Fire | Occurrence | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,970 89.70 89.70 1 | 238 2.38 92.08 . | 792 7.92 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016