Frequencies for first 10,000 rows of mcycl_ds variable in person dataset : Motorcycle | CC | Displacemen | t | Freq. Percent Cum. ------------+----------------------------------- 0 | 1 0.01 0.01 720 | 1 0.01 0.02 730 | 3 0.03 0.05 890 | 3 0.03 0.08 970 | 2 0.02 0.10 990 | 7 0.07 0.17 1000 | 12 0.12 0.29 1200 | 7 0.07 0.36 1207 | 12 0.12 0.48 1230 | 5 0.05 0.53 1710 | 1 0.01 0.54 1730 | 4 0.04 0.58 1800 | 1 0.01 0.59 1980 | 2 0.02 0.61 2460 | 4 0.04 0.65 2480 | 6 0.06 0.71 3050 | 2 0.02 0.73 3150 | 2 0.02 0.75 3250 | 17 0.17 0.92 3460 | 2 0.02 0.94 3470 | 17 0.17 1.11 3480 | 11 0.11 1.22 3560 | 10 0.10 1.32 3710 | 2 0.02 1.34 3980 | 9 0.09 1.43 4000 | 6 0.06 1.49 4080 | 2 0.02 1.51 4440 | 7 0.07 1.58 4920 | 2 0.02 1.60 4970 | 1 0.01 1.61 4980 | 19 0.19 1.80 5430 | 3 0.03 1.83 5440 | 6 0.06 1.89 5490 | 1 0.01 1.90 5990 | 1 0.01 1.91 6530 | 6 0.06 1.97 7360 | 37 0.37 2.34 7430 | 1 0.01 2.35 7450 | 1 0.01 2.36 7480 | 3 0.03 2.39 7500 | 5 0.05 2.44 8830 | 1 0.01 2.45 9030 | 20 0.20 2.65 9970 | 5 0.05 2.70 9990 | 3 0.03 2.73 9999 | 3,405 34.05 36.78 . | 6,322 63.22 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Apr 2016