Summary statistics for person dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 101,175 27.18213 16.23482 1 56 veh_no | 101,175 1.385194 1.506571 0 57 per_no | 101,175 1.742258 1.779962 1 56 n_mot_no | 101,175 .0730813 .9156384 0 99 age | 101,175 36.95905 21.91725 0 99 -------------+--------------------------------------------------------- sex | 101,175 1.445347 1.016088 1 9 per_typ | 101,175 1.644586 1.093584 1 19 seat_pos | 101,175 14.51875 13.0711 0 99 rest_use | 101,175 10.29143 27.41152 0 99 air_bag | 101,175 24.63261 17.47184 0 99 -------------+--------------------------------------------------------- ejection | 101,175 .1987151 .7867852 0 9 ej_path | 101,175 .9693403 2.706242 0 9 extricat | 101,175 .1742822 .8682104 0 9 location | 101,175 .7174104 3.509067 0 99 drinking | 101,175 4.636165 3.979644 0 9 -------------+--------------------------------------------------------- alc_det | 101,175 8.038992 2.331314 1 9 atst_typ | 101,175 1.08083 2.338036 0 9 alc_res | 101,175 66.00832 43.00875 0 99 drugs | 101,175 6.477084 3.206302 0 9 drug_det | 101,175 7.742219 1.224482 1 8 -------------+--------------------------------------------------------- drugtst1 | 101,175 1.522718 3.038442 0 9 drugres1 | 101,175 182.7232 375.95 0 999 drugtst2 | 101,175 .6343267 2.246604 0 9 drugres2 | 101,175 74.81949 256.8018 0 999 drugtst3 | 101,175 .6112775 2.23477 0 9 -------------+--------------------------------------------------------- drugres3 | 101,175 69.75986 252.6354 0 999 inj_sev | 101,175 2.559595 1.66536 0 9 hospital | 101,175 .65617 1.149895 0 9 death_mo | 101,175 3.269256 7.703921 0 99 death_da | 101,175 7.001038 11.66395 0 99 -------------+--------------------------------------------------------- death_hr | 101,175 7.298592 16.23652 0 99 death_mn | 101,175 13.55375 22.53157 0 99 lag_hrs | 101,175 624.1507 477.7362 0 999 lag_mins | 101,175 68.15797 40.86139 0 99 race | 101,175 6.109948 22.67953 0 99 -------------+--------------------------------------------------------- hispanic | 101,175 9.064334 24.741 0 99 p_cf1 | 101,175 .4713022 4.794803 0 99 p_cf2 | 101,175 .4023524 4.755555 0 99 p_cf3 | 101,175 .2237213 4.077829 0 99 work_inj | 101,175 5.086464 3.893206 0 9 -------------+--------------------------------------------------------- doa | 101,175 1.70297 3.028886 0 9 st_case | 101,175 272581.9 162256.9 10001 560155 death_yr | 101,175 867.6596 1146.543 0 9999 death_tm | 101,175 743.4129 1640.8 0 9999 cert_no | 0 -------------+--------------------------------------------------------- make | 94,706 28.61271 22.80629 1 99 body_typ | 94,706 19.70575 22.55625 1 99 rollover | 94,706 .3546871 .7046401 0 2 tow_veh | 94,706 .0763521 .5241126 0 9 spec_use | 94,706 .0387093 .5297754 0 9 -------------+--------------------------------------------------------- emer_use | 94,706 .0014255 .0377286 0 1 impact1 | 94,706 10.33071 12.9401 0 99 impact2 | 94,706 10.59327 13.63822 0 99 impacts | 94,706 1.215857 .7348722 0 9 fire_exp | 94,706 .027749 .1642538 0 1 -------------+--------------------------------------------------------- mak_mod | 94,706 28905.06 22936.9 1003 99999 mod_year | 94,706 2092.421 884.3095 1930 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 -------------+--------------------------------------------------------- whlbs_sh | 90,892 1881.025 2490.063 109 9999 whlbs_lg | 90,892 1111.339 2786.331 0 9999 mcycl_ds | 7,747 5940.233 4509.911 49 9999 vin_wgt | 63,091 3833.585 2174.801 395 9999 wgtcd_tr | 32,057 3.558162 3.139883 1 9 -------------+--------------------------------------------------------- county | 101,175 90.16543 94.91008 0 999 month | 101,175 6.778473 3.366037 1 12 day | 101,175 15.71539 8.924011 1 99 hour | 101,175 13.3064 8.641982 0 99 minute | 101,175 28.2757 18.05141 0 99 -------------+--------------------------------------------------------- ve_forms | 101,175 1.901053 2.465975 1 57 road_fnc | 101,175 7.810536 6.172202 1 99 harm_ev | 101,175 15.08131 10.80394 1 99 man_coll | 101,175 1.626716 1.788745 0 9 sch_bus | 101,175 .0062861 .079036 0 1 by Jean Roth , jroth@nber.org , 18 Apr 2016