Frequencies for first 10,000 rows of vinmake variable in person dataset : vin make | Freq. Percent Cum. ------------+----------------------------------- | 1,251 12.51 12.51 ACUR | 77 0.77 13.28 AMER | 5 0.05 13.33 AUDI | 16 0.16 13.49 BLUI | 6 0.06 13.55 BMW | 87 0.87 14.42 BUIC | 100 1.00 15.42 CADI | 80 0.80 16.22 CHEV | 1,342 13.42 29.64 CHRY | 117 1.17 30.81 DAEW | 5 0.05 30.86 DATS | 3 0.03 30.89 DODG | 521 5.21 36.10 DUCA | 7 0.07 36.17 EGIL | 1 0.01 36.18 FIAT | 1 0.01 36.19 FORD | 1,317 13.17 49.36 FRHT | 154 1.54 50.90 FWD | 1 0.01 50.91 GEO | 18 0.18 51.09 GILL | 4 0.04 51.13 GMC | 293 2.93 54.06 HD | 252 2.52 56.58 HINO | 6 0.06 56.64 HOND | 746 7.46 64.10 HUMM | 7 0.07 64.17 HYUN | 103 1.03 65.20 INFI | 47 0.47 65.67 INTL | 87 0.87 66.54 ISU | 34 0.34 66.88 JAGU | 3 0.03 66.91 JEEP | 218 2.18 69.09 KAWK | 71 0.71 69.80 KIA | 110 1.10 70.90 KW | 46 0.46 71.36 LEXS | 72 0.72 72.08 LINC | 52 0.52 72.60 LNDR | 16 0.16 72.76 LOTU | 2 0.02 72.78 MACK | 30 0.30 73.08 MAZD | 110 1.10 74.18 MCIN | 16 0.16 74.34 MERC | 73 0.73 75.07 MERZ | 80 0.80 75.87 MIFU | 1 0.01 75.88 MITS | 137 1.37 77.25 MNNI | 4 0.04 77.29 MOGU | 1 0.01 77.30 NISS | 424 4.24 81.54 OLDS | 83 0.83 82.37 PEUG | 1 0.01 82.38 PLYM | 22 0.22 82.60 POLS | 17 0.17 82.77 PONT | 134 1.34 84.11 PORS | 7 0.07 84.18 PTRB | 66 0.66 84.84 SAA | 6 0.06 84.90 STRG | 7 0.07 84.97 STRN | 77 0.77 85.74 SUBA | 43 0.43 86.17 SUZI | 124 1.24 87.41 THMS | 4 0.04 87.45 TOYT | 940 9.40 96.85 TRUM | 7 0.07 96.92 VCTY | 3 0.03 96.95 VOLK | 98 0.98 97.93 VOLV | 62 0.62 98.55 WHGM | 4 0.04 98.59 WSTR | 5 0.05 98.64 YAMA | 136 1.36 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 22 Oct 2016