Frequencies for first 10,000 rows of vin_bt variable in person dataset : VIN Body | Type | Freq. Percent Cum. ------------+----------------------------------- | 967 9.67 9.67 2D | 395 3.95 13.62 2F | 23 0.23 13.85 2H | 452 4.52 18.37 2L | 46 0.46 18.83 2P | 10 0.10 18.93 2T | 733 7.33 26.26 3D | 71 0.71 26.97 4D | 1,234 12.34 39.31 4H | 144 1.44 40.75 4L | 20 0.20 40.95 4P | 89 0.89 41.84 4T | 90 0.90 42.74 99 | 847 8.47 51.21 AT | 15 0.15 51.36 BU | 6 0.06 51.42 CB | 93 0.93 52.35 CC | 39 0.39 52.74 CP | 1,066 10.66 63.40 CV | 44 0.44 63.84 CY | 2 0.02 63.86 DP | 3 0.03 63.89 DS | 134 1.34 65.23 EN | 3 0.03 65.26 FB | 11 0.11 65.37 FC | 1 0.01 65.38 GL | 2 0.02 65.40 HB | 33 0.33 65.73 HT | 5 0.05 65.78 LB | 22 0.22 66.00 LL | 15 0.15 66.15 MH | 2 0.02 66.17 MR | 1 0.01 66.18 MS | 14 0.14 66.32 MY | 16 0.16 66.48 NB | 22 0.22 66.70 PK | 1,683 16.83 83.53 RD | 10 0.10 83.63 RS | 419 4.19 87.82 RT | 12 0.12 87.94 SD | 61 0.61 88.55 SN | 3 0.03 88.58 SV | 81 0.81 89.39 SW | 415 4.15 93.54 T | 1 0.01 93.55 TB | 24 0.24 93.79 TL | 88 0.88 94.67 TM | 58 0.58 95.25 UT | 257 2.57 97.82 VN | 217 2.17 99.99 YY | 1 0.01 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016