Summary statistics for person dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 101,784 27.21874 16.22431 1 56 veh_no | 101,784 1.386397 1.490191 0 58 per_no | 101,784 1.744675 1.887283 1 55 n_mot_no | 101,784 .0675941 .6682863 0 99 age | 101,784 37.11911 21.86355 0 99 -------------+--------------------------------------------------------- sex | 101,784 1.443302 1.003295 1 9 per_typ | 101,784 1.637035 1.08125 1 19 seat_pos | 101,784 14.49557 13.12402 0 99 rest_use | 101,784 9.930903 26.86349 0 99 air_bag | 101,784 23.79226 17.24363 0 99 -------------+--------------------------------------------------------- ejection | 101,784 .2038336 .8168499 0 9 ej_path | 101,784 .9561817 2.686258 0 9 extricat | 101,784 .2147685 1.020915 0 9 location | 101,784 .6982532 3.429617 0 99 drinking | 101,784 4.520101 3.987332 0 9 -------------+--------------------------------------------------------- alc_det | 101,784 8.020838 2.361998 1 9 atst_typ | 101,784 .9652991 2.15987 0 9 alc_res | 101,784 65.46419 43.11833 0 99 drugs | 101,784 6.267606 3.365101 0 9 drug_det | 101,784 7.72139 1.284268 1 8 -------------+--------------------------------------------------------- drugtst1 | 101,784 1.336369 2.84497 0 9 drugres1 | 101,784 165.8842 360.2592 0 999 drugtst2 | 101,784 .5268313 2.049908 0 9 drugres2 | 101,784 65.00774 239.3368 0 999 drugtst3 | 101,784 .5035173 2.036319 0 9 -------------+--------------------------------------------------------- drugres3 | 101,784 59.30962 233.7001 0 999 inj_sev | 101,784 2.563517 1.665649 0 9 hospital | 101,784 .6666372 1.209542 0 9 death_mo | 101,784 3.153226 7.053445 0 99 death_da | 101,784 6.959218 11.35607 0 99 -------------+--------------------------------------------------------- death_hr | 101,784 7.829502 17.65498 0 99 death_mn | 101,784 14.05279 23.33464 0 99 lag_hrs | 101,784 620.4591 478.8363 0 999 lag_mins | 101,784 67.84357 40.99034 0 99 race | 101,784 5.22982 20.90325 0 99 -------------+--------------------------------------------------------- hispanic | 101,784 7.207793 21.04727 0 99 p_cf1 | 101,784 .49103 4.97751 0 99 p_cf2 | 101,784 .406223 4.841314 0 99 p_cf3 | 101,784 .2288572 4.172038 0 99 work_inj | 101,784 4.942545 3.917294 0 9 -------------+--------------------------------------------------------- doa | 101,784 1.724515 3.037086 0 9 st_case | 101,784 272973 162142.4 10001 560151 death_yr | 101,784 855.063 1035.679 0 9999 death_tm | 101,784 797.003 1783.719 0 9999 cert_no | 0 -------------+--------------------------------------------------------- make | 95,403 28.48292 22.75974 1 99 body_typ | 95,403 19.69775 22.47119 1 99 rollover | 95,403 .3644959 .711496 0 2 tow_veh | 95,403 .0740857 .5121566 0 9 spec_use | 95,403 .0356068 .5048147 0 9 -------------+--------------------------------------------------------- emer_use | 95,403 .0016247 .0402749 0 1 impact1 | 95,403 10.46675 12.73845 0 99 impact2 | 95,403 10.59737 13.18252 0 99 impacts | 95,403 1.305347 .7651802 0 9 fire_exp | 95,403 .0282591 .165713 0 1 -------------+--------------------------------------------------------- mak_mod | 95,403 28777.22 22885.92 1001 99999 mod_year | 95,403 2096.166 896.8564 1923 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 -------------+--------------------------------------------------------- whlbs_sh | 91,499 1853.592 2442.18 109 9999 whlbs_lg | 91,499 1072.083 2737.492 0 9999 mcycl_ds | 7,623 5786.748 4501.056 49 9999 vin_wgt | 63,631 3856.07 2139.478 1085 9999 wgtcd_tr | 31,932 3.513122 3.09599 1 9 -------------+--------------------------------------------------------- county | 101,784 89.38586 92.89394 0 999 month | 101,784 6.668121 3.358751 1 12 day | 101,784 15.5922 8.869294 1 99 hour | 101,784 13.34099 8.897032 0 99 minute | 101,784 28.2729 18.14499 0 99 -------------+--------------------------------------------------------- ve_forms | 101,784 1.900377 2.395939 1 58 road_fnc | 101,784 7.828264 6.570325 1 99 harm_ev | 101,784 15.18883 10.95746 1 99 man_coll | 101,784 2.190865 4.998127 0 99 sch_bus | 101,784 .0060029 .0772459 0 1 by Jean Roth , jroth@nber.org , 18 Apr 2016