Summary statistics for person dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 101,862 27.05035 16.24427 1 56 veh_no | 101,862 1.366417 1.110013 0 45 per_no | 101,862 1.757662 2.001401 1 74 n_mot_no | 101,862 .0654022 .4088425 0 99 age | 101,862 37.30611 21.82573 0 99 -------------+--------------------------------------------------------- sex | 101,862 1.439614 .9803344 1 9 per_typ | 101,862 1.632581 1.077681 1 19 seat_pos | 101,862 14.44012 12.86376 0 99 rest_use | 101,862 10.11456 27.0512 0 99 air_bag | 101,862 22.90625 17.23619 0 99 -------------+--------------------------------------------------------- ejection | 101,862 .1938898 .8096465 0 9 ej_path | 101,862 .9090927 2.632447 0 9 extricat | 101,862 .2185702 1.044563 0 9 location | 101,862 .6946064 3.337891 0 99 drinking | 101,862 4.732304 3.963183 0 9 -------------+--------------------------------------------------------- alc_det | 101,862 8.119682 2.207886 1 9 atst_typ | 101,862 .9404783 2.127138 0 9 alc_res | 101,862 65.48929 43.13857 0 99 drugs | 101,862 6.327129 3.321881 0 9 drug_det | 101,862 7.737871 1.242872 1 8 -------------+--------------------------------------------------------- drugtst1 | 101,862 1.254501 2.736204 0 9 drugres1 | 101,862 160.222 354.1959 0 999 drugtst2 | 101,862 .517563 2.031313 0 9 drugres2 | 101,862 64.65541 238.1882 0 999 drugtst3 | 101,862 .4950521 2.019308 0 9 -------------+--------------------------------------------------------- drugres3 | 101,862 58.95836 232.835 0 999 inj_sev | 101,862 2.537786 1.671492 0 9 hospital | 101,862 .6342601 1.11289 0 9 death_mo | 101,862 3.034419 5.809198 0 99 death_da | 101,862 6.861597 10.82347 0 99 -------------+--------------------------------------------------------- death_hr | 101,862 8.047564 18.14441 0 99 death_mn | 101,862 14.18089 23.58329 0 99 lag_hrs | 101,862 623.8155 477.8545 0 999 lag_mins | 101,862 68.10047 40.90672 0 99 race | 101,862 4.415297 19.03747 0 99 -------------+--------------------------------------------------------- hispanic | 101,862 6.195343 18.74035 0 99 p_cf1 | 101,862 .5329367 5.252992 0 99 p_cf2 | 101,862 .3926096 4.875315 0 99 p_cf3 | 101,862 .238882 4.338262 0 99 work_inj | 101,862 4.93987 3.916562 0 9 -------------+--------------------------------------------------------- doa | 101,862 1.720141 3.029367 0 9 st_case | 101,862 271299 162324.5 10001 560141 death_yr | 101,862 854.962 1048.09 0 9999 death_tm | 101,862 818.9373 1833.134 0 9999 cert_no | 0 -------------+--------------------------------------------------------- make | 95,470 28.9081 23.00662 1 99 body_typ | 95,470 20.30718 22.88168 1 99 rollover | 95,470 .3588771 .7050867 0 2 tow_veh | 95,470 .0740337 .5047692 0 9 spec_use | 95,470 .0422017 .5409904 0 9 -------------+--------------------------------------------------------- emer_use | 95,470 .0019168 .0437399 0 1 impact1 | 95,470 10.34556 12.61645 0 99 impact2 | 95,470 10.48427 13.06711 0 99 impacts | 95,470 1.312067 .7696736 0 9 fire_exp | 95,470 .0264481 .1604645 0 1 -------------+--------------------------------------------------------- mak_mod | 95,470 29211.1 23129.04 1001 99999 mod_year | 95,470 2097.15 896.4251 1924 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 -------------+--------------------------------------------------------- whlbs_sh | 91,099 1860.942 2442.401 799 9999 whlbs_lg | 91,099 1073.907 2739.892 0 9999 mcycl_ds | 7,868 5270.83 4501.645 49 9999 vin_wgt | 62,896 3880.321 2100.051 1455 9999 wgtcd_tr | 31,941 3.490467 3.05108 1 9 -------------+--------------------------------------------------------- county | 101,862 89.12966 91.1535 0 999 month | 101,862 6.771063 3.340415 1 12 day | 101,862 15.69252 8.952644 1 99 hour | 101,862 13.53335 9.267611 0 99 minute | 101,862 28.76445 18.1413 0 99 -------------+--------------------------------------------------------- ve_forms | 101,862 1.860753 1.65597 1 45 road_fnc | 101,862 8.073119 7.223763 1 99 harm_ev | 101,862 15.03991 10.91086 1 99 man_coll | 101,862 2.226836 5.646525 0 99 sch_bus | 101,862 .0068131 .0822605 0 1 by Jean Roth , jroth@nber.org , 18 Apr 2016