Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 22 Oct 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 45,960 27.99741 16.23276 1 56 st_case | 45,960 280613 162306.2 10001 560113 veh_no | 45,960 1.429003 .8788085 1 31 ve_forms | 45,960 1.853481 1.300189 1 31 numoccs | 45,960 1.625022 3.313444 0 99 -------------+--------------------------------------------------------- day | 45,960 15.70265 8.834242 1 31 month | 45,960 6.680701 3.357767 1 12 hour | 45,960 13.24643 9.257186 0 99 minute | 45,960 29.1195 18.20763 0 99 harm_ev | 45,960 16.70252 12.66317 1 99 -------------+--------------------------------------------------------- man_coll | 45,960 2.476523 5.272278 0 99 unittype | 45,960 1 0 1 1 hit_run | 45,960 .0386641 .2901178 0 9 reg_stat | 45,960 30.34254 20.51463 0 99 owner | 45,960 1.695387 1.339801 0 9 -------------+--------------------------------------------------------- make | 45,960 35.38788 26.10954 1 99 model | 45,960 360.6504 304.9653 1 999 mak_mod | 45,960 35748.53 26262.63 1007 99999 body_typ | 45,960 27.09587 28.28707 1 99 mod_year | 45,960 2158.781 1108.065 1926 9999 -------------+--------------------------------------------------------- vin | 0 vin_1 | 0 vin_2 | 0 vin_3 | 0 vin_4 | 0 -------------+--------------------------------------------------------- vin_5 | 0 vin_6 | 0 vin_7 | 0 vin_8 | 0 vin_9 | 0 -------------+--------------------------------------------------------- vin_10 | 0 vin_11 | 0 vin_12 | 0 tow_veh | 45,960 .0914273 .4913097 0 9 vintype | 0 -------------+--------------------------------------------------------- vinmake | 0 vina_mod | 0 vin_bt | 0 vinmodyr | 44,589 31.12241 40.64636 0 99 vin_lngt | 44,624 16.94635 .5983035 5 17 -------------+--------------------------------------------------------- vin_wgt | 24,331 3356.29 843.5317 0 7725 wgtcd_tr | 14,751 3.064335 2.632057 1 8 whlbs_lg | 39,070 245.1978 603.9113 0 9600 whlbs_sh | 39,070 1064.332 338.8546 0 2370 ser_tr | 0 -------------+--------------------------------------------------------- fuelcode | 0 mcycl_ds | 4,737 1073.374 434.7145 49 2294 carbur | 0 cylinder | 0 displace | 0 -------------+--------------------------------------------------------- mcycl_cy | 0 mcycl_wt | 0 tire_sze | 0 ton_rat | 0 trk_wt | 0 -------------+--------------------------------------------------------- trkwtvar | 0 vin_rest | 0 whldrwhl | 0 j_knife | 45,960 .0761749 .3070256 0 3 mcarr_i1 | 45,960 5.582855 18.58191 0 99 -------------+--------------------------------------------------------- mcarr_i2 | 0 mcarr_id | 0 gvwr | 45,960 .2719321 .9095784 0 9 v_config | 45,960 .706832 4.816722 0 99 cargo_bt | 45,960 1.824326 12.07603 0 99 -------------+--------------------------------------------------------- haz_inv | 45,960 1.003155 .0560806 1 2 haz_plac | 45,960 .0071149 .1462242 0 8 haz_id | 45,960 9.989012 248.9583 0 9999 haz_cno | 45,960 .0651001 2.220475 0 88 haz_rel | 45,960 .0068755 .1726425 0 8 -------------+--------------------------------------------------------- bus_use | 45,960 .2400131 4.662442 0 99 spec_use | 45,960 .2370975 4.643306 0 99 emer_use | 45,960 .0184726 .3907511 0 9 trav_sp | 45,960 624.7958 465.3884 0 999 underide | 45,960 .0657311 .6567395 0 9 -------------+--------------------------------------------------------- rollover | 45,960 .2265013 .669336 0 9 rolinloc | 45,960 .7593995 1.798841 0 9 impact1 | 45,960 14.9557 20.23669 0 99 deformed | 45,960 5.461162 1.567131 0 9 towed | 45,960 2.13168 .9664296 1 9 -------------+--------------------------------------------------------- m_harm | 45,960 14.39611 12.26662 1 99 veh_sc1 | 45,960 .5645126 6.184899 0 99 veh_sc2 | 45,960 .2974978 5.40531 0 99 fire_exp | 45,960 .0330722 .1788272 0 1 dr_pres | 45,960 .9958877 .1227263 0 9 -------------+--------------------------------------------------------- l_state | 45,960 29.37565 19.20327 0 99 dr_zip | 45,960 52903.01 27884.3 0 99999 l_status | 45,960 5.502546 1.717117 0 9 l_type | 45,960 1.219756 1.34161 0 9 cdl_stat | 45,960 3.674326 16.58544 0 99 -------------+--------------------------------------------------------- l_endors | 45,960 .2674282 1.394397 0 9 l_compl | 45,960 2.948129 1.166135 0 9 l_restri | 45,960 1.01943 1.844717 0 9 dr_hgt | 45,960 194.2876 318.0152 37 999 dr_wgt | 45,960 468.3201 391.2915 50 999 -------------+--------------------------------------------------------- prev_acc | 45,960 14.74863 78.37595 0 998 prev_sus | 45,960 8.714991 75.32273 0 998 prev_dwi | 45,960 8.393755 75.34596 0 998 prev_spd | 45,960 8.587097 75.32657 0 998 prev_oth | 45,960 8.625849 75.32364 0 998 -------------+--------------------------------------------------------- first_mo | 45,960 5.96262 18.04603 0 99 first_yr | 45,960 1125.264 1943.821 0 9999 last_mo | 45,960 5.961815 18.04622 0 99 last_yr | 45,960 1125.496 1943.927 0 9999 speedrel | 45,960 .5728242 1.772391 0 9 -------------+--------------------------------------------------------- dr_sf1 | 45,960 19.47561 27.94573 0 99 dr_sf2 | 45,960 7.487511 22.68309 0 99 dr_sf3 | 45,960 4.026023 18.94975 0 99 dr_sf4 | 45,960 3.427241 18.01749 0 99 vtrafway | 45,960 1.763534 1.235901 0 9 -------------+--------------------------------------------------------- vnum_lan | 45,960 2.469626 .9937203 0 9 vspd_lim | 45,960 50.92137 15.80328 0 99 valign | 45,960 1.417341 .9666875 0 9 vprofile | 45,960 1.831571 1.745903 0 9 vpavetyp | 45,960 3.089099 2.417966 0 9 -------------+--------------------------------------------------------- vsurcond | 45,960 1.725653 7.084486 0 99 vtrafcon | 45,960 3.671171 12.05676 0 99 vtcont_f | 45,960 .6507398 1.33782 0 9 p_crash1 | 45,960 5.868821 11.05232 0 99 p_crash2 | 45,960 40.12918 29.48123 1 99 -------------+--------------------------------------------------------- p_crash3 | 45,960 14.69811 32.63547 0 99 pcrash4 | 45,960 1.585553 1.699335 0 9 pcrash5 | 45,960 2.184987 1.562184 0 9 acc_type | 45,960 43.48784 35.8916 0 99 deaths | 45,960 .6092907 .6001413 0 15 -------------+--------------------------------------------------------- dr_drink | 45,960 .2133377 .4096686 0 1 by Jean Roth , jroth@nber.org , 22 Oct 2016