Frequencies for first 10,000 rows of whlbs_lg variable in person dataset : Wheelbase | Long-Auto | Freq. Percent Cum. ------------+----------------------------------- 0 | 4,128 41.28 41.28 898 | 27 0.27 41.55 911 | 1 0.01 41.56 937 | 8 0.08 41.64 948 | 44 0.44 42.08 953 | 39 0.39 42.47 964 | 1 0.01 42.48 969 | 22 0.22 42.70 970 | 20 0.20 42.90 973 | 56 0.56 43.46 984 | 23 0.23 43.69 990 | 3 0.03 43.72 996 | 27 0.27 43.99 1001 | 4 0.04 44.03 1099 | 47 0.47 44.50 1100 | 7 0.07 44.57 1110 | 14 0.14 44.71 1125 | 6 0.06 44.77 1127 | 23 0.23 45.00 1130 | 9 0.09 45.09 1160 | 265 2.65 47.74 1170 | 25 0.25 47.99 1173 | 9 0.09 48.08 1174 | 4 0.04 48.12 1175 | 5 0.05 48.17 1179 | 1 0.01 48.18 1180 | 67 0.67 48.85 1190 | 5 0.05 48.90 1210 | 9 0.09 48.99 1220 | 2 0.02 49.01 1235 | 2 0.02 49.03 1240 | 17 0.17 49.20 1250 | 58 0.58 49.78 1270 | 2 0.02 49.80 9999 | 1,409 14.09 63.89 . | 3,611 36.11 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016