Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 749 43 0 43 43 ve_forms | 749 1.635514 .7854759 1 5 harm_ev | 749 14.0494 9.599268 1 42 man_coll | 749 1.217623 1.523228 0 6 hit_run | 749 .1588785 .5399711 0 3 -------------+--------------------------------------------------------- veh_no | 749 1.317757 .5877241 1 5 make | 749 37.20027 24.65337 1 99 model | 749 84.81175 28.29586 0 99 body_typ | 749 20.41255 31.875 2 99 mod_year | 749 81.85714 7.548924 60 99 -------------+--------------------------------------------------------- vin_1 | 0 vin_2 | 0 vin_3 | 0 vin_4 | 0 vin_5 | 0 -------------+--------------------------------------------------------- vin_6 | 0 vin_7 | 0 vin_8 | 0 vin_9 | 0 vin_10 | 0 -------------+--------------------------------------------------------- fldcd_tr | 0 reg_stat | 749 49.70093 18.12372 43 99 rollover | 749 .141522 .4809175 0 2 j_knife | 749 0 0 0 0 trav_sp | 749 90.73698 21.43854 0 99 -------------+--------------------------------------------------------- haz_carg | 749 .3017356 1.617835 0 9 tow_veh | 749 .3497997 1.737581 0 9 spec_use | 749 .3084112 1.623588 0 9 emer_use | 749 .0053405 .0729317 0 1 impact1 | 749 10.75701 14.15592 0 99 -------------+--------------------------------------------------------- impact2 | 749 12.82109 18.71079 0 99 deformed | 749 4.29239 2.427276 0 9 impacts | 749 1.073431 .6215399 0 9 towaway | 749 3.260347 3.0727 1 9 fire_exp | 749 .0053405 .0729317 0 1 -------------+--------------------------------------------------------- ocupants | 749 3.64753 14.14379 0 99 deaths | 749 .4793057 .5722285 0 3 veh_cf1 | 749 2.512684 8.898952 0 99 veh_cf2 | 749 .1321762 3.617381 0 99 veh_man | 749 3.965287 8.75186 1 99 -------------+--------------------------------------------------------- m_harm | 749 13.12283 9.448333 1 42 wgtcd_tr | 326 6.564417 3.518805 1 9 vin_lngt | 749 33.66889 35.24615 0 99 dr_pres | 749 1.00534 .0729317 1 2 dr_drink | 749 .259012 .438385 0 1 -------------+--------------------------------------------------------- l_state | 749 47.64887 15.83102 9 99 l_status | 749 4.70494 2.397021 0 9 l_compl | 749 3.076101 2.187306 0 9 l_restri | 749 .9479306 2.697535 0 9 viol_chg | 749 2.288385 2.555195 0 9 -------------+--------------------------------------------------------- prev_acc | 749 9.914553 29.73705 0 99 prev_sus | 749 9.93725 29.73003 0 99 prev_dwi | 749 9.914553 29.73705 0 99 prev_spd | 749 9.913218 29.73747 0 99 prev_oth | 749 10.5968 29.53748 0 99 -------------+--------------------------------------------------------- last_mo | 749 12.00134 29.24214 0 99 last_yr | 749 38.87183 44.56189 0 99 first_mo | 749 11.87984 29.26637 0 99 first_yr | 749 38.66088 44.33553 0 99 dr_cf1 | 749 28.47931 21.44727 0 99 -------------+--------------------------------------------------------- dr_cf2 | 749 13.2016 22.78951 0 99 dr_cf3 | 749 2.728972 13.59164 0 99 st_case | 749 430308.3 171.5527 430002 430600 mak_mod | 749 3804.838 2468.393 199 9999 vin_wgt | 610 5624.295 3715.364 0 9999 -------------+--------------------------------------------------------- whlbs_sh | 610 4378.58 4361.948 0 9999 whlbs_lg | 610 3822.293 4799.732 0 9999 mcycl_ds | 233 9069.429 2816.558 50 9999 dr_zip | 749 8882.959 27396.97 0 99999 vin | 0 -------------+--------------------------------------------------------- ser_tr | 0 vina_mod | 0 vin_bt | 0 by Jean Roth , jroth@nber.org , 18 Apr 2016