Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- vin | 0 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 vin_11 | 0 vin_12 | 0 state | 725 43 0 43 43 veh_no | 725 1.295172 .5187548 1 4 -------------+--------------------------------------------------------- ocupants | 725 1.470345 .9990413 0 9 make | 725 42.09793 23.76473 2 99 model | 725 266.6166 321.7691 1 999 body_typ | 725 20.06069 30.48248 2 99 reg_stat | 725 46.66069 14.22513 12 99 -------------+--------------------------------------------------------- owner | 725 2.215172 1.971633 1 9 rollover | 725 .0924138 .4050924 0 2 j_knife | 725 0 0 0 0 trav_sp | 725 94.88552 16.29016 0 99 haz_carg | 725 .5710345 2.195422 0 9 -------------+--------------------------------------------------------- tow_veh | 725 .5710345 2.195422 0 9 v_config | 725 .8937931 2.577212 0 9 axles | 725 10.47862 30.39739 0 99 cargo_bt | 725 10.36966 30.22016 0 99 spec_use | 725 .5710345 2.195422 0 9 -------------+--------------------------------------------------------- emer_use | 725 0 0 0 0 impact1 | 725 9.113103 4.092968 0 12 impact2 | 725 9.215172 4.118486 0 13 underide | 725 .5310345 2.11759 0 9 deformed | 725 3.624828 2.558151 0 6 -------------+--------------------------------------------------------- impacts | 725 1.21931 .5361641 0 3 towaway | 725 1.748966 .5615583 1 3 fire_exp | 725 .0041379 .0642378 0 1 veh_cf1 | 725 2.147586 7.719102 0 31 veh_cf2 | 725 0 0 0 0 -------------+--------------------------------------------------------- veh_man | 725 2.473103 3.838365 1 16 avoid | 725 .0013793 .0371391 0 1 m_harm | 725 14.1131 10.18386 1 43 deaths | 725 .48 .5474199 0 2 vin_lngt | 725 16.55724 1.551543 7 17 -------------+--------------------------------------------------------- st_case | 725 430269.6 154.242 430002 430538 mak_mod | 725 42364.55 23922.27 2402 99999 mod_year | 725 2575.756 2086.165 1962 9999 vina_mod | 0 ser_tr | 0 -------------+--------------------------------------------------------- vin_bt | 0 mcarr_id | 0 fldcd_tr | 0 whlbs_sh | 693 3272.469 3884.035 799 9999 whlbs_lg | 693 2602.251 4289.741 0 9999 -------------+--------------------------------------------------------- mcycl_ds | 173 8774.382 3138.202 223 9999 vin_wgt | 618 5101.921 3628.098 238 9999 wgtcd_tr | 248 6.475806 3.510456 1 9 dr_pres | 725 1.129655 .4899718 1 3 dr_drink | 725 .2165517 .4121789 0 1 -------------+--------------------------------------------------------- l_state | 723 46.39972 14.13074 6 99 l_status | 723 5.654219 2.017772 0 9 cdl_stat | 723 .6583679 2.324331 0 9 l_endors | 723 .6473029 2.310719 0 9 l_compl | 723 3.100968 1.851715 0 9 -------------+--------------------------------------------------------- l_restri | 723 .6362379 2.305999 0 9 violchg1 | 723 4.836791 7.98013 0 56 violchg2 | 723 21.35408 19.02307 0 98 violchg3 | 723 14.14523 22.39682 0 69 prev_acc | 723 6.983402 25.36689 0 99 -------------+--------------------------------------------------------- prev_sus | 723 6.984786 25.36653 0 99 prev_dwi | 723 6.983402 25.36689 0 99 prev_spd | 723 7.038728 25.35386 0 99 prev_oth | 723 7.384509 25.27552 0 99 last_mo | 723 8.254495 25.17752 0 99 -------------+--------------------------------------------------------- first_mo | 723 8.06639 25.19934 0 99 dr_cf1 | 725 28.64276 20.60395 0 87 dr_cf2 | 725 23.98483 18.28076 0 87 dr_cf3 | 725 22.94759 23.91051 0 90 dr_cf4 | 725 9.546207 19.20843 0 90 -------------+--------------------------------------------------------- dr_wgt | 723 623.4495 472.0522 1 999 dr_hgt | 723 786.3596 391.3128 60 999 last_yr | 723 1122.321 2575.789 0 9999 first_yr | 723 1122.252 2575.765 0 9999 dr_zip | 723 7904.95 25099.62 601 99999 -------------+--------------------------------------------------------- month | 725 6.257931 3.49047 1 12 ve_forms | 725 1.590345 .6515307 1 4 harm_ev | 725 14.39586 9.328814 1 43 man_coll | 725 1.664828 1.98807 0 6 hit_run | 725 .1282759 .4860916 0 3 by Jean Roth , jroth@nber.org , 18 Apr 2016