Frequencies for first 10,000 rows of whlbs_lg variable in person dataset : Wheelbase | Long-Auto | Freq. Percent Cum. ------------+----------------------------------- 0 | 4,435 44.35 44.35 898 | 21 0.21 44.56 911 | 3 0.03 44.59 937 | 19 0.19 44.78 948 | 45 0.45 45.23 953 | 28 0.28 45.51 957 | 4 0.04 45.55 964 | 6 0.06 45.61 966 | 4 0.04 45.65 967 | 2 0.02 45.67 969 | 12 0.12 45.79 970 | 6 0.06 45.85 973 | 72 0.72 46.57 984 | 7 0.07 46.64 990 | 11 0.11 46.75 992 | 2 0.02 46.77 996 | 5 0.05 46.82 1099 | 42 0.42 47.24 1100 | 8 0.08 47.32 1110 | 14 0.14 47.46 1125 | 7 0.07 47.53 1127 | 26 0.26 47.79 1130 | 16 0.16 47.95 1150 | 2 0.02 47.97 1160 | 187 1.87 49.84 1170 | 8 0.08 49.92 1173 | 3 0.03 49.95 1174 | 1 0.01 49.96 1175 | 1 0.01 49.97 1179 | 3 0.03 50.00 1180 | 57 0.57 50.57 1190 | 3 0.03 50.60 1220 | 2 0.02 50.62 1240 | 11 0.11 50.73 1250 | 33 0.33 51.06 1270 | 7 0.07 51.13 1645 | 2 0.02 51.15 9999 | 854 8.54 59.69 . | 4,031 40.31 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016