Frequencies for first 10,000 rows of whlbs_lg variable in vehicle dataset : Wheelbase | Long-Auto | Freq. Percent Cum. ------------+----------------------------------- 0 | 3,494 34.94 34.94 898 | 25 0.25 35.19 948 | 41 0.41 35.60 953 | 57 0.57 36.17 964 | 2 0.02 36.19 966 | 1 0.01 36.20 967 | 1 0.01 36.21 969 | 4 0.04 36.25 973 | 4 0.04 36.29 990 | 4 0.04 36.33 996 | 31 0.31 36.64 1001 | 1 0.01 36.65 1099 | 56 0.56 37.21 1100 | 7 0.07 37.28 1110 | 20 0.20 37.48 1125 | 9 0.09 37.57 1127 | 12 0.12 37.69 1130 | 14 0.14 37.83 1150 | 11 0.11 37.94 1160 | 290 2.90 40.84 1170 | 57 0.57 41.41 1174 | 2 0.02 41.43 1175 | 3 0.03 41.46 1180 | 81 0.81 42.27 1190 | 14 0.14 42.41 1200 | 5 0.05 42.46 1210 | 2 0.02 42.48 1220 | 12 0.12 42.60 1235 | 2 0.02 42.62 1240 | 24 0.24 42.86 1250 | 57 0.57 43.43 1270 | 3 0.03 43.46 1315 | 1 0.01 43.47 1380 | 1 0.01 43.48 1445 | 1 0.01 43.49 1515 | 1 0.01 43.50 1645 | 3 0.03 43.53 9999 | 3,223 32.23 75.76 . | 2,424 24.24 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016