Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 711 43 0 43 43 ve_forms | 711 1.59353 .772348 1 5 harm_ev | 711 14.71308 10.56285 1 43 man_coll | 711 .8945148 1.235102 0 5 hit_run | 711 .2222222 .6061758 0 2 -------------+--------------------------------------------------------- veh_no | 711 1.296765 .5721008 1 5 make | 711 38.28411 27.05786 1 99 model | 711 49.9564 36.93484 0 99 body_typ | 711 22.85795 33.88831 2 99 mod_year | 711 79.95077 8.211404 56 99 -------------+--------------------------------------------------------- reg_stat | 711 43.07876 2.100164 43 99 rollover | 711 .116737 .446127 0 2 j_knife | 711 .0154712 .1235041 0 1 trav_sp | 711 98.86076 3.71279 0 99 haz_carg | 711 .6469761 2.323908 0 9 -------------+--------------------------------------------------------- tow_veh | 711 .6610408 2.322975 0 9 spec_use | 711 .652602 2.329599 0 9 emer_use | 711 .0014065 .0375029 0 1 impact1 | 711 15.05345 22.47828 0 99 impact2 | 711 15.02954 22.48575 0 99 -------------+--------------------------------------------------------- deformed | 711 4.327707 2.544988 0 9 impacts | 711 .9592124 .2368132 0 3 towaway | 711 1.614627 .4870259 1 2 fire_exp | 711 .0154712 .1235041 0 1 ocupants | 711 3.728551 14.06427 0 99 -------------+--------------------------------------------------------- deaths | 711 .5175809 .7116043 0 6 veh_cf1 | 711 3.302391 9.497219 0 31 veh_cf2 | 711 .0014065 .0375029 0 1 veh_man | 711 2.527426 4.254445 1 17 m_harm | 711 13.81857 10.77998 1 43 -------------+--------------------------------------------------------- wgtcd_tr | 372 8.045699 2.480231 0 9 vin_lngt | 711 43.0211 40.44253 0 99 dr_pres | 711 1.004219 .0648654 1 2 dr_drink | 711 .2728551 .4457406 0 1 l_state | 711 43.19269 3.963318 4 99 -------------+--------------------------------------------------------- l_cl_veh | 711 3.271449 2.196864 1 9 l_status | 711 2.675105 2.268569 1 9 l_restri | 711 1.016878 2.684278 0 9 dr_train | 711 8.960619 .5552532 0 9 viol_chg | 711 2.770745 2.491007 0 9 -------------+--------------------------------------------------------- prev_acc | 711 10.02954 29.88618 0 99 prev_sus | 711 10.03376 29.88474 0 99 prev_dwi | 711 10.02954 29.88604 0 99 prev_spd | 711 10.02672 29.88693 0 99 prev_oth | 711 10.71589 29.69376 0 99 -------------+--------------------------------------------------------- last_mo | 711 12.0436 29.42107 0 99 last_yr | 711 35.6315 43.29215 0 99 first_mo | 711 11.94515 29.43761 0 99 first_yr | 711 35.40788 43.04285 0 99 dr_cf1 | 711 29.11533 20.22203 0 99 -------------+--------------------------------------------------------- dr_cf2 | 711 17.67651 32.09663 0 99 dr_cf3 | 711 5.278481 21.24554 0 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 st_case | 711 430301.9 178.7213 430001 430600 mak_mod | 711 3878.367 2698.934 107 9999 -------------+--------------------------------------------------------- vin_wgt | 648 6629.841 3768.713 1444 9999 whlbs_sh | 648 5590.344 4509.16 0 9999 whlbs_lg | 648 5171.475 4943.09 0 9999 mcycl_ds | 329 9709.809 1636.789 97 9999 vin | 0 -------------+--------------------------------------------------------- vina_mod | 0 ser_tr | 0 vin_bt | 0 by Jean Roth , jroth@nber.org , 18 Apr 2016