Frequencies for first 10,000 rows of tire_sze variable in person dataset : Original | Tire Size | Freq. Percent Cum. ------------+----------------------------------- | 4,852 48.52 48.52 000000 | 127 1.27 49.79 12R145 | 5 0.05 49.84 13R155 | 44 0.44 50.28 13R165 | 7 0.07 50.35 13R175 | 61 0.61 50.96 13R185 | 11 0.11 51.07 13R205 | 1 0.01 51.08 147.35 | 2 0.02 51.10 147.75 | 1 0.01 51.11 14B78 | 1 0.01 51.12 14C78 | 1 0.01 51.13 14E70 | 1 0.01 51.14 14F78 | 3 0.03 51.17 14R175 | 129 1.29 52.46 14R185 | 334 3.34 55.80 14R190 | 1 0.01 55.81 14R195 | 172 1.72 57.53 14R205 | 34 0.34 57.87 14R215 | 4 0.04 57.91 156.00 | 1 0.01 57.92 15G78 | 1 0.01 57.93 15R165 | 3 0.03 57.96 15R175 | 7 0.07 58.03 15R185 | 111 1.11 59.14 15R190 | 1 0.01 59.15 15R195 | 426 4.26 63.41 15R205 | 639 6.39 69.80 15R215 | 212 2.12 71.92 15R225 | 198 1.98 73.90 15R235 | 173 1.73 75.63 15R245 | 1 0.01 75.64 15R255 | 2 0.02 75.66 15R265 | 1 0.01 75.67 16R195 | 9 0.09 75.76 16R205 | 315 3.15 78.91 16R215 | 333 3.33 82.24 16R225 | 373 3.73 85.97 16R235 | 178 1.78 87.75 16R245 | 196 1.96 89.71 16R255 | 80 0.80 90.51 16R265 | 209 2.09 92.60 16R275 | 6 0.06 92.66 17R205 | 19 0.19 92.85 17R215 | 163 1.63 94.48 17R225 | 142 1.42 95.90 17R235 | 87 0.87 96.77 17R245 | 73 0.73 97.50 17R255 | 4 0.04 97.54 17R265 | 79 0.79 98.33 17R275 | 9 0.09 98.42 17R285 | 2 0.02 98.44 18R215 | 6 0.06 98.50 18R225 | 37 0.37 98.87 18R235 | 26 0.26 99.13 18R245 | 33 0.33 99.46 18R255 | 21 0.21 99.67 18R265 | 7 0.07 99.74 18R275 | 2 0.02 99.76 19R225 | 1 0.01 99.77 19R245 | 6 0.06 99.83 19R255 | 7 0.07 99.90 20R245 | 3 0.03 99.93 20R255 | 5 0.05 99.98 20R275 | 2 0.02 100.00 ------------+----------------------------------- Total | 10,000 100.00 by Jean Roth , jroth@nber.org , 18 Apr 2016