Frequencies for first 10,000 rows of fire_exp variable in person dataset : Fire | Occurrence | Freq. Percent Cum. ------------+----------------------------------- 0 | 8,991 89.91 89.91 1 | 228 2.28 92.19 . | 781 7.81 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016