Frequencies for first 10,000 rows of weather variable in accident dataset : weather | Freq. Percent Cum. ------------+----------------------------------- 1 | 8,995 89.95 89.95 2 | 701 7.01 96.96 3 | 15 0.15 97.11 4 | 56 0.56 97.67 5 | 143 1.43 99.10 6 | 5 0.05 99.15 8 | 14 0.14 99.29 9 | 71 0.71 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016