Frequencies for first 10,000 rows of ser_tr variable in vehicle dataset : VIN | Series-Truc | k | Freq. Percent Cum. ------------+----------------------------------- | 5 0.05 0.05 *** | 5,996 59.96 60.01 150 | 3 0.03 60.04 200 | 1 0.01 60.05 3/4 | 4 0.04 60.09 400 | 2 0.02 60.11 44P | 76 0.76 60.87 600 | 14 0.14 61.01 620 | 27 0.27 61.28 700 | 6 0.06 61.34 720 | 133 1.33 62.67 937 | 1 0.01 62.68 999 | 1,236 12.36 75.04 A10 | 4 0.04 75.08 ARO | 1 0.01 75.09 ART | 3 0.03 75.12 AST | 7 0.07 75.19 B20 | 29 0.29 75.48 B22 | 1 0.01 75.49 BII | 24 0.24 75.73 BRO | 45 0.45 76.18 BRT | 1 0.01 76.19 BUS | 3 0.03 76.22 C/C | 2 0.02 76.24 C10 | 206 2.06 78.30 C15 | 66 0.66 78.96 C20 | 65 0.65 79.61 C25 | 23 0.23 79.84 C30 | 34 0.34 80.18 C35 | 6 0.06 80.24 C50 | 1 0.01 80.25 C60 | 1 0.01 80.26 C65 | 9 0.09 80.35 C6M | 3 0.03 80.38 C6V | 2 0.02 80.40 C96 | 27 0.27 80.67 CAB | 1 0.01 80.68 CAR | 6 0.06 80.74 CCH | 1 0.01 80.75 CGS | 5 0.05 80.80 CH9 | 1 0.01 80.81 CHK | 10 0.10 80.91 CLU | 4 0.04 80.95 CNV | 2 0.02 80.97 COE | 71 0.71 81.68 COF | 395 3.95 85.63 COL | 15 0.15 85.78 CON | 92 0.92 86.70 COU | 30 0.30 87.00 CPS | 1 0.01 87.01 CPU | 4 0.04 87.05 CRV | 1 0.01 87.06 CTS | 52 0.52 87.58 CTV | 8 0.08 87.66 CVS | 7 0.07 87.73 CWS | 2 0.02 87.75 D10 | 27 0.27 88.02 D15 | 19 0.19 88.21 D20 | 7 0.07 88.28 D21 | 11 0.11 88.39 D30 | 3 0.03 88.42 D40 | 1 0.01 88.43 D50 | 1 0.01 88.44 D5I | 42 0.42 88.86 D60 | 1 0.01 88.87 D70 | 1 0.01 88.88 D95 | 5 0.05 88.93 D9H | 1 0.01 88.94 DC9 | 1 0.01 88.95 DH9 | 3 0.03 88.98 DJ9 | 1 0.01 88.99 ELC | 8 0.08 89.07 F95 | 1 0.01 89.08 FC9 | 3 0.03 89.11 FCC | 2 0.02 89.13 FH9 | 1 0.01 89.14 FI9 | 1 0.01 89.15 FJ9 | 1 0.01 89.16 FLS | 3 0.03 89.19 H95 | 5 0.05 89.24 HI9 | 2 0.02 89.26 HLX | 11 0.11 89.37 HM7 | 1 0.01 89.38 HTC | 9 0.09 89.47 HTP | 91 0.91 90.38 HTW | 5 0.05 90.43 INT | 1 0.01 90.44 J95 | 4 0.04 90.48 JC9 | 2 0.02 90.50 JEE | 21 0.21 90.71 JET | 3 0.03 90.74 JH9 | 1 0.01 90.75 JI9 | 1 0.01 90.76 JM7 | 1 0.01 90.77 K10 | 89 0.89 91.66 K15 | 24 0.24 91.90 K20 | 12 0.12 92.02 K25 | 9 0.09 92.11 K30 | 5 0.05 92.16 K35 | 2 0.02 92.18 KOM | 6 0.06 92.24 LB1 | 3 0.03 92.27 LBD | 1 0.01 92.28 LDS | 9 0.09 92.37 LLN | 3 0.03 92.40 LTC | 11 0.11 92.51 LUV | 34 0.34 92.85 M65 | 1 0.01 92.86 M95 | 2 0.02 92.88 MHC | 6 0.06 92.94 MHV | 31 0.31 93.25 MMX | 8 0.08 93.33 MTH | 1 0.01 93.34 MXV | 3 0.03 93.37 MXW | 4 0.04 93.41 N10 | 1 0.01 93.42 N95 | 1 0.01 93.43 P20 | 1 0.01 93.44 P30 | 8 0.08 93.52 P42 | 1 0.01 93.53 P52 | 6 0.06 93.59 P62 | 15 0.15 93.74 PCC | 8 0.08 93.82 PUP | 13 0.13 93.95 R/V | 1 0.01 93.96 R10 | 1 0.01 93.97 RAL | 2 0.02 93.99 RAM | 8 0.08 94.07 RAN | 3 0.03 94.10 RB | 2 0.02 94.12 RBT | 1 0.01 94.13 RC | 1 0.01 94.14 RMP | 1 0.01 94.15 RMV | 19 0.19 94.34 RMW | 8 0.08 94.42 RNG | 66 0.66 95.08 RUN | 3 0.03 95.11 RX | 1 0.01 95.12 S | 78 0.78 95.90 S/V | 7 0.07 95.97 S10 | 38 0.38 96.35 S15 | 7 0.07 96.42 S50 | 1 0.01 96.43 S60 | 1 0.01 96.44 S6M | 2 0.02 96.46 SCP | 1 0.01 96.47 SCT | 10 0.10 96.57 SMR | 1 0.01 96.58 SPO | 7 0.07 96.65 SPT | 5 0.05 96.70 SPX | 1 0.01 96.71 SS | 25 0.25 96.96 T65 | 2 0.02 96.98 TCT | 1 0.01 96.99 TNS | 15 0.15 97.14 TRA | 17 0.17 97.31 TRL | 1 0.01 97.32 TRO | 1 0.01 97.33 UNI | 2 0.02 97.35 VAN | 163 1.63 98.98 VGN | 1 0.01 98.99 VLN | 1 0.01 99.00 VOF | 7 0.07 99.07 VOY | 2 0.02 99.09 VVN | 2 0.02 99.11 VWG | 9 0.09 99.20 W10 | 12 0.12 99.32 W15 | 4 0.04 99.36 W20 | 4 0.04 99.40 WAG | 9 0.09 99.49 WCN | 9 0.09 99.58 WHC | 1 0.01 99.59 WLC | 1 0.01 99.60 X44 | 27 0.27 99.87 XCB | 9 0.09 99.96 XCN | 1 0.01 99.97 XCO | 3 0.03 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016