Frequencies for first 10,000 rows of cargo_bt variable in vehicle dataset : CARGO BODY | TYPE | Freq. Percent Cum. ------------+----------------------------------- 0 | 9,070 90.70 90.70 1 | 298 2.98 93.68 2 | 55 0.55 94.23 3 | 140 1.40 95.63 4 | 62 0.62 96.25 5 | 16 0.16 96.41 6 | 2 0.02 96.43 7 | 15 0.15 96.58 8 | 25 0.25 96.83 9 | 22 0.22 97.05 20 | 7 0.07 97.12 21 | 48 0.48 97.60 96 | 19 0.19 97.79 97 | 55 0.55 98.34 98 | 40 0.40 98.74 99 | 126 1.26 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016