Summary statistics for vehnit 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 | 1,393 25.09332 16.03735 1 56 veh_no | 1,393 2.689878 1.278139 1 13 -------------+--------------------------------------------------------- ocupants | 1,393 .2160804 .6181869 0 7 make | 1,393 33.58794 26.55508 2 99 model | 1,393 363.0646 318.1981 1 999 body_typ | 1,393 23.59871 24.46923 1 99 reg_stat | 1,393 30.26274 23.90841 0 99 -------------+--------------------------------------------------------- owner | 1,393 5.944006 .4513967 0 6 rollover | 1,393 0 0 0 0 j_knife | 1,393 0 0 0 0 trav_sp | 1,393 99 0 99 99 haz_carg | 1,393 .0725054 .7985606 0 9 -------------+--------------------------------------------------------- tow_veh | 1,393 .1600861 .8100043 0 9 v_config | 1,393 1.400574 8.221366 0 99 axles | 1,393 3.524049 16.96047 0 99 cargo_bt | 1,393 4.177315 18.9827 0 99 spec_use | 1,393 .0445083 .4713338 0 6 -------------+--------------------------------------------------------- emer_use | 1,393 .0028715 .0535286 0 1 impact1 | 1,393 10.63747 16.44797 0 99 impact2 | 1,393 11.25844 17.5903 0 99 underide | 1,393 0 0 0 0 deformed | 1,393 4.226849 2.104715 0 9 -------------+--------------------------------------------------------- impacts | 1,393 2.065327 .2824555 0 3 towaway | 1,393 9 0 9 9 fire_exp | 1,393 .0236899 .1521357 0 1 veh_cf1 | 1,393 2.409189 14.20374 0 99 veh_cf2 | 1,393 1.931802 13.6603 0 99 -------------+--------------------------------------------------------- veh_man | 1,393 99 0 99 99 avoid | 1,393 8 0 8 8 m_harm | 1,393 15.42785 11.9518 2 99 deaths | 1,393 .0323044 .1848157 0 2 seq1 | 1,393 99 0 99 99 -------------+--------------------------------------------------------- seq2 | 1,393 99 0 99 99 seq3 | 1,393 99 0 99 99 seq4 | 1,393 99 0 99 99 seq5 | 1,393 99 0 99 99 seq6 | 1,393 99 0 99 99 -------------+--------------------------------------------------------- vin_lngt | 1,393 16.8837 .8231388 7 17 bus_use | 1,393 .0222541 .3736183 0 8 gvwr | 1,393 .5240488 1.362323 0 9 unittype | 1,393 2.52692 .5355471 2 4 st_case | 1,393 251838.8 160147.5 10013 560146 -------------+--------------------------------------------------------- mak_mod | 1,393 33951 26724.21 2403 99999 mod_year | 1,393 2141.118 1062.667 1959 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 -------------+--------------------------------------------------------- mcarr_id | 0 fldcd_tr | 0 whlbs_sh | 1,386 2613.426 3289.958 866 9999 whlbs_lg | 1,386 1946.926 3646.477 0 9999 mcycl_ds | 103 9403.136 2218.694 599 9999 -------------+--------------------------------------------------------- vin_wgt | 882 4287.621 2401.558 1650 9999 wgtcd_tr | 600 4.72 3.239201 1 9 dr_pres | 1,393 4 0 4 4 dr_drink | 1,393 0 0 0 0 l_state | 1,393 99 0 99 99 -------------+--------------------------------------------------------- l_type | 1,393 8.994257 .2143455 1 9 l_status | 1,393 9 0 9 9 cdl_stat | 1,393 9 0 9 9 l_endors | 1,393 9 0 9 9 l_compl | 1,393 9 0 9 9 -------------+--------------------------------------------------------- l_restri | 1,393 9 0 9 9 violchg1 | 1,393 99 0 99 99 violchg2 | 1,393 99 0 99 99 violchg3 | 1,393 99 0 99 99 prev_acc | 1,393 99 0 99 99 -------------+--------------------------------------------------------- prev_sus | 1,393 99 0 99 99 prev_dwi | 1,393 99 0 99 99 prev_spd | 1,393 99 0 99 99 prev_oth | 1,393 99 0 99 99 last_mo | 1,393 99 0 99 99 -------------+--------------------------------------------------------- first_mo | 1,393 99 0 99 99 dr_cf1 | 1,393 0 0 0 0 dr_cf2 | 1,393 0 0 0 0 dr_cf3 | 1,393 0 0 0 0 dr_cf4 | 1,393 0 0 0 0 -------------+--------------------------------------------------------- dr_wgt | 1,393 999 0 999 999 dr_hgt | 1,393 999 0 999 999 last_yr | 1,393 9999 0 9999 9999 first_yr | 1,393 9999 0 9999 9999 dr_zip | 1,393 99999 0 99999 99999 -------------+--------------------------------------------------------- month | 1,393 6.558507 3.381564 1 12 harm_ev | 1,393 17.13352 10.51706 1 55 man_coll | 1,393 2.843503 8.16012 0 99 hit_run | 1,393 .1177315 .5047846 0 5 ve_forms | 1,393 1.315865 .6280211 1 7 by Jean Roth , jroth@nber.org , 18 Apr 2016