Frequencies for first 10,000 rows of trav_sp variable in vehicle dataset : Travel | Speed | Freq. Percent Cum. ------------+----------------------------------- 0 | 245 2.45 2.45 2 | 7 0.07 2.52 3 | 6 0.06 2.58 4 | 2 0.02 2.60 5 | 100 1.00 3.60 6 | 2 0.02 3.62 8 | 3 0.03 3.65 9 | 3 0.03 3.68 10 | 124 1.24 4.92 12 | 5 0.05 4.97 13 | 1 0.01 4.98 14 | 1 0.01 4.99 15 | 110 1.10 6.09 20 | 123 1.23 7.32 22 | 2 0.02 7.34 24 | 3 0.03 7.37 25 | 146 1.46 8.83 26 | 1 0.01 8.84 27 | 2 0.02 8.86 28 | 4 0.04 8.90 30 | 256 2.56 11.46 32 | 8 0.08 11.54 33 | 3 0.03 11.57 34 | 4 0.04 11.61 35 | 295 2.95 14.56 36 | 2 0.02 14.58 37 | 3 0.03 14.61 38 | 4 0.04 14.65 39 | 3 0.03 14.68 40 | 367 3.67 18.35 41 | 1 0.01 18.36 42 | 2 0.02 18.38 43 | 8 0.08 18.46 44 | 3 0.03 18.49 45 | 393 3.93 22.42 46 | 1 0.01 22.43 47 | 4 0.04 22.47 48 | 4 0.04 22.51 50 | 633 6.33 28.84 51 | 5 0.05 28.89 52 | 7 0.07 28.96 53 | 2 0.02 28.98 54 | 2 0.02 29.00 55 | 760 7.60 36.60 56 | 5 0.05 36.65 57 | 3 0.03 36.68 58 | 7 0.07 36.75 59 | 3 0.03 36.78 60 | 326 3.26 40.04 61 | 4 0.04 40.08 62 | 3 0.03 40.11 63 | 5 0.05 40.16 65 | 176 1.76 41.92 66 | 5 0.05 41.97 67 | 5 0.05 42.02 68 | 2 0.02 42.04 69 | 5 0.05 42.09 70 | 228 2.28 44.37 71 | 1 0.01 44.38 72 | 4 0.04 44.42 73 | 1 0.01 44.43 74 | 3 0.03 44.46 75 | 116 1.16 45.62 76 | 6 0.06 45.68 77 | 1 0.01 45.69 78 | 3 0.03 45.72 79 | 2 0.02 45.74 80 | 160 1.60 47.34 81 | 2 0.02 47.36 82 | 1 0.01 47.37 83 | 2 0.02 47.39 84 | 2 0.02 47.41 85 | 34 0.34 47.75 86 | 3 0.03 47.78 87 | 2 0.02 47.80 89 | 1 0.01 47.81 90 | 73 0.73 48.54 91 | 1 0.01 48.55 92 | 2 0.02 48.57 93 | 1 0.01 48.58 95 | 116 1.16 49.74 98 | 150 1.50 51.24 99 | 4,876 48.76 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016