Frequencies for first 10,000 rows of weather variable in accident dataset : weather | Freq. Percent Cum. ------------+----------------------------------- 1 | 8,994 89.94 89.94 2 | 676 6.76 96.70 3 | 14 0.14 96.84 4 | 58 0.58 97.42 5 | 152 1.52 98.94 6 | 3 0.03 98.97 8 | 16 0.16 99.13 9 | 87 0.87 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016