Summary statistics for person dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 101,262 26.72555 16.27563 1 56 veh_no | 101,262 1.349381 .8096763 0 20 per_no | 101,262 1.709407 1.846097 1 48 n_mot_no | 101,262 .0658391 .5931642 0 99 age | 101,262 37.6675 21.62481 0 99 -------------+--------------------------------------------------------- sex | 101,262 1.439908 1.007246 1 9 per_typ | 101,262 1.626464 1.08017 1 9 seat_pos | 101,262 14.31165 12.72219 0 99 rest_use | 101,262 9.560151 26.24029 0 99 air_bag | 101,262 21.82618 17.8728 0 99 -------------+--------------------------------------------------------- ejection | 101,262 .1840769 .7685311 0 9 ej_path | 101,262 .8819893 2.595711 0 9 extricat | 101,262 .2373743 1.145239 0 9 location | 101,262 .6658569 3.374821 0 99 drinking | 101,262 4.523128 3.968439 0 9 -------------+--------------------------------------------------------- alc_det | 101,262 7.928858 2.393742 1 9 atst_typ | 101,262 5.826223 22.29217 0 99 alc_res | 101,262 66.36659 42.7437 0 99 drugs | 101,262 6.177638 3.421477 0 9 drug_det | 101,262 7.603859 1.518348 1 8 -------------+--------------------------------------------------------- drugtst1 | 101,262 .9536648 2.303081 0 9 drugres1 | 101,262 136.0129 326.2259 0 999 drugtst2 | 101,262 .4328178 1.835462 0 9 drugres2 | 101,262 57.60273 222.2887 0 999 drugtst3 | 101,262 .4119512 1.829427 0 9 -------------+--------------------------------------------------------- drugres3 | 101,262 50.39025 215.0731 0 999 inj_sev | 101,262 2.544054 1.700705 0 9 hospital | 101,262 .6473603 1.20439 0 9 death_mo | 101,262 3.152426 6.451921 0 99 death_da | 101,262 7.118919 11.44695 0 99 -------------+--------------------------------------------------------- death_hr | 101,262 8.360056 18.77757 0 99 death_mn | 101,262 14.72588 24.15195 0 99 lag_hrs | 101,262 618.1589 479.2577 0 999 lag_mins | 101,262 67.69677 40.93457 0 99 race | 101,262 6.144704 22.72739 0 99 -------------+--------------------------------------------------------- hispanic | 101,262 7.974443 22.58189 0 99 p_cf1 | 101,262 .4706208 4.801766 0 99 p_cf2 | 101,262 .3160021 4.242302 0 99 p_cf3 | 101,262 .1690861 3.623586 0 99 work_inj | 101,262 4.902599 3.928291 0 9 -------------+--------------------------------------------------------- doa | 101,262 1.776649 3.063354 0 9 st_case | 101,262 268072.1 162588.2 10001 560147 death_yr | 101,262 867.4251 1022.729 0 9999 death_tm | 101,262 850.7315 1896.946 0 9999 cert_no | 0 -------------+--------------------------------------------------------- make | 95,013 30.16554 23.81133 1 99 body_typ | 95,013 21.80657 24.05341 1 99 rollover | 94,614 .3752299 .7223099 0 2 tow_veh | 95,013 .0888405 .5812604 0 9 spec_use | 95,013 .0489196 .5895444 0 9 -------------+--------------------------------------------------------- emer_use | 95,013 .0020629 .0453723 0 1 impact1 | 95,012 10.79467 13.38959 0 99 impact2 | 95,012 11.34346 14.7752 0 99 impacts | 95,013 1.326576 .7649743 0 9 fire_exp | 95,013 .0290908 .1680618 0 1 -------------+--------------------------------------------------------- mak_mod | 95,013 30486.92 23941.88 1007 99999 mod_year | 95,013 2125.468 1004.62 1927 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 -------------+--------------------------------------------------------- whlbs_sh | 89,716 1956.368 2568.499 90 9999 whlbs_lg | 89,716 1166.902 2877.855 0 9999 mcycl_ds | 9,205 5056.973 4481.005 49 9999 vin_wgt | 62,070 3947.354 2130.889 125 9999 wgtcd_tr | 32,309 3.616763 3.087599 1 9 -------------+--------------------------------------------------------- county | 101,262 87.34139 89.76522 0 999 month | 101,262 6.726798 3.350954 1 12 day | 101,262 15.69964 8.912307 1 99 hour | 101,262 13.28226 8.739881 0 99 minute | 101,262 28.57734 18.00447 0 99 -------------+--------------------------------------------------------- road_fnc | 101,262 8.613508 9.245209 1 99 harm_ev | 101,262 15.42477 11.56785 1 99 man_coll | 101,262 2.22738 5.276109 0 99 sch_bus | 101,262 .0051253 .071408 0 1 ve_forms | 101,262 1.80828 1.034249 1 20 by Jean Roth , jroth@nber.org , 18 Apr 2016