Frequencies for first 10,000 rows of whlbs_lg variable in person dataset : Wheelbase | Long-Auto | Freq. Percent Cum. ------------+----------------------------------- 0 | 3,017 30.17 30.17 898 | 2 0.02 30.19 948 | 32 0.32 30.51 949 | 1 0.01 30.52 953 | 73 0.73 31.25 964 | 8 0.08 31.33 966 | 1 0.01 31.34 967 | 1 0.01 31.35 969 | 5 0.05 31.40 996 | 15 0.15 31.55 1099 | 46 0.46 32.01 1100 | 3 0.03 32.04 1110 | 19 0.19 32.23 1130 | 17 0.17 32.40 1150 | 12 0.12 32.52 1160 | 285 2.85 35.37 1170 | 62 0.62 35.99 1175 | 4 0.04 36.03 1180 | 64 0.64 36.67 1190 | 33 0.33 37.00 1210 | 7 0.07 37.07 1220 | 15 0.15 37.22 1240 | 34 0.34 37.56 1250 | 71 0.71 38.27 1270 | 9 0.09 38.36 9999 | 3,984 39.84 78.20 . | 2,180 21.80 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016