Summary statistics for person dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 76,510 27.41618 16.20957 1 56 veh_no | 76,510 1.335472 .9744171 0 30 per_no | 76,510 1.643968 1.481317 1 37 n_mot_no | 76,510 .0706836 .2645285 0 7 age | 76,510 56.66114 135.6815 0 999 -------------+--------------------------------------------------------- sex | 76,510 1.437394 .9714024 1 9 per_typ | 76,510 1.644334 1.138477 1 19 seat_pos | 76,510 14.00541 12.20554 0 99 rest_use | 76,510 9.336113 25.72248 0 99 air_bag | 76,510 13.75875 25.71063 0 99 -------------+--------------------------------------------------------- ejection | 76,510 1.296092 2.80027 0 9 ej_path | 76,510 .8430009 2.545373 0 9 extricat | 76,510 .1763822 .8071969 0 9 location | 76,510 .7365442 3.652691 0 99 drinking | 76,510 4.178761 3.992661 0 9 -------------+--------------------------------------------------------- alc_det | 76,510 7.761809 2.558202 1 9 atst_typ | 76,510 4.669664 19.68021 0 99 alc_res | 76,510 60.21565 44.45613 0 99 alc_status | 76,510 1.176291 1.831539 0 9 drugs | 76,510 5.870671 3.60832 0 9 -------------+--------------------------------------------------------- dstatus | 76,510 1.136845 2.133163 0 9 drug_det | 76,510 7.507385 1.671085 1 8 drugtst1 | 76,510 .914704 2.149065 0 9 drugres1 | 76,510 136.0711 318.406 0 999 drugtst2 | 76,510 .5864854 2.112623 0 9 -------------+--------------------------------------------------------- drugres2 | 76,510 79.18488 256.0636 0 999 drugtst3 | 76,510 .5576526 2.106818 0 9 drugres3 | 76,510 69.25722 248.2537 0 999 inj_sev | 76,510 2.537498 1.706802 0 9 hospital | 76,510 .5933473 1.020608 0 9 -------------+--------------------------------------------------------- death_mo | 76,510 52.23313 40.50875 1 99 death_da | 76,510 56.25326 36.41925 1 99 death_hr | 76,510 57.14422 37.76162 0 99 death_mn | 76,510 63.80435 31.77477 0 99 lag_hrs | 76,510 599.6571 482.7438 0 999 -------------+--------------------------------------------------------- lag_mins | 76,510 66.54428 40.85849 0 99 race | 76,510 5.410887 21.21757 0 99 hispanic | 76,510 9.166266 24.50732 0 99 p_cf1 | 76,510 .8634558 6.313796 0 99 p_cf2 | 76,510 .4841981 5.24255 0 99 -------------+--------------------------------------------------------- p_cf3 | 76,510 .2827343 4.639735 0 99 work_inj | 76,510 4.857705 3.948964 0 9 doa | 76,510 1.807306 3.078309 0 9 st_case | 76,510 274800.5 162026.8 10001 560116 death_yr | 76,510 5848.375 3417.301 2009 9999 -------------+--------------------------------------------------------- death_tm | 76,510 5778.226 3805.519 0 9999 cert_no | 0 make | 71,232 31.1597 24.12587 1 99 body_typ | 71,232 22.85335 24.81566 1 99 rollover | 71,027 .3991158 1.189597 0 9 -------------+--------------------------------------------------------- tow_veh | 71,232 .0585832 .3520145 0 9 spec_use | 71,232 .0307586 .4423752 0 9 emer_use | 71,232 .0095884 .2667492 0 9 impact1 | 71,232 11.32739 14.54893 0 99 impact2 | 71,232 11.84018 15.92012 0 99 -------------+--------------------------------------------------------- impacts | 71,232 1.324868 .7431344 0 9 fire_exp | 71,232 .0281475 .1653952 0 1 mak_mod | 71,232 31490.66 24249.5 1006 99999 mod_year | 71,232 2108.411 923.2607 1929 9999 vina_mod | 0 -------------+--------------------------------------------------------- ser_tr | 0 vin_bt | 0 whlbs_sh | 66,270 1494.245 1851.451 0 9999 whlbs_lg | 66,270 673.7595 2089.351 0 9999 mcycl_ds | 7,812 4427.895 4340.215 49 9999 -------------+--------------------------------------------------------- vin_wgt | 44,528 3799.357 1884.797 0 9999 wgtcd_tr | 24,699 3.400016 2.976491 1 9 county | 76,510 90.72259 95.01112 1 999 month | 76,510 6.621919 3.355508 1 12 day | 76,510 15.56389 8.864343 1 31 -------------+--------------------------------------------------------- hour | 76,510 13.41031 9.239209 0 99 minute | 76,510 28.77774 18.16595 0 99 road_fnc | 76,510 8.121801 6.394732 1 99 harm_ev | 76,510 15.83798 11.82249 1 99 man_coll | 76,510 2.06194 4.751042 0 99 -------------+--------------------------------------------------------- sch_bus | 76,510 .0059731 .077055 0 1 ve_forms | 76,510 1.794001 1.410772 1 29 by Jean Roth , jroth@nber.org , 18 Apr 2016