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 | 616 43 0 43 43 veh_no | 616 1.381494 .6976721 1 6 -------------+--------------------------------------------------------- ocupants | 616 1.308442 .697727 0 6 make | 616 46.2289 26.16299 2 99 body_typ | 616 25.74513 32.47506 2 99 reg_stat | 616 45.28084 11.05937 43 99 owner | 616 1.988636 1.58495 1 9 -------------+--------------------------------------------------------- rollover | 616 .1006494 .4300874 0 2 j_knife | 616 0 0 0 0 trav_sp | 616 95.24838 16.77169 0 99 haz_inv | 616 1 0 1 1 haz_plac | 616 0 0 0 0 -------------+--------------------------------------------------------- haz_cno | 616 0 0 0 0 haz_rel | 616 0 0 0 0 tow_veh | 616 .3506494 1.742935 0 9 v_config | 616 4.511364 19.35664 0 99 axles | 616 6.88961 25.13309 0 99 -------------+--------------------------------------------------------- cargo_bt | 616 6.948052 25.14492 0 99 spec_use | 616 .2483766 1.475545 0 9 emer_use | 616 0 0 0 0 impact1 | 616 9.199675 3.928309 0 13 impact2 | 616 9.400974 3.93937 0 14 -------------+--------------------------------------------------------- underide | 616 0 0 0 0 deformed | 616 3.900974 2.421771 0 9 impacts | 616 1.319805 .5926355 0 3 towaway | 616 1.810065 .5909584 1 9 fire_exp | 616 .0194805 .1383188 0 1 -------------+--------------------------------------------------------- veh_cf1 | 616 1.810065 7.136164 0 31 veh_cf2 | 616 0 0 0 0 veh_man | 616 2.456169 3.871265 1 16 avoid | 616 .012987 .3223292 0 8 m_harm | 616 14.37825 10.46814 1 43 -------------+--------------------------------------------------------- deaths | 616 .487013 .5497909 0 2 seq1 | 616 15.03084 9.684655 1 49 seq2 | 616 3.868506 10.42717 0 43 seq3 | 616 .8831169 5.242662 0 43 seq4 | 616 .0568182 .7597725 0 14 -------------+--------------------------------------------------------- seq5 | 616 0 0 0 0 seq6 | 616 0 0 0 0 vin_lngt | 616 16.90422 .7707551 8 17 bus_use | 616 .2613636 1.49085 0 9 gvwr | 616 .4188312 1.766878 0 9 -------------+--------------------------------------------------------- unittype | 616 1 0 1 1 mcarr_i1 | 616 7.232143 25.78289 0 99 st_case | 616 430217.4 123.5712 430001 430431 haz_id | 616 0 0 0 0 mak_mod | 616 46546.99 26305.99 2001 99999 -------------+--------------------------------------------------------- mod_year | 616 2439.925 1828.531 1972 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 mcarr_i2 | 0 -------------+--------------------------------------------------------- fldcd_tr | 0 mcarr_id | 0 model | 616 318.0958 311.1918 1 999 whlbs_sh | 572 2645.094 3454.66 0 9999 whlbs_lg | 572 1898.135 3821.646 0 9999 -------------+--------------------------------------------------------- mcycl_ds | 147 7296.592 4153.704 125 9999 vin_wgt | 468 4140.665 3273.069 0 9999 wgtcd_tr | 207 5.584541 3.77284 1 9 dr_pres | 616 1.082792 .3925684 1 3 dr_drink | 616 .2483766 .4324225 0 1 -------------+--------------------------------------------------------- l_state | 613 45.38336 12.25444 12 99 l_type | 613 1.510604 2.181765 0 9 l_status | 613 5.412724 2.224559 0 9 cdl_stat | 613 .6068515 2.245639 0 9 l_endors | 613 .5872757 2.224559 0 9 -------------+--------------------------------------------------------- l_compl | 613 2.980424 1.883782 0 9 l_restri | 613 .5872757 2.224559 0 9 violchg1 | 613 3.12398 3.636816 0 37 violchg2 | 613 19.01794 19.38957 0 89 violchg3 | 613 11.12235 21.11267 0 69 -------------+--------------------------------------------------------- prev_acc | 613 6.460033 24.47015 0 99 prev_sus | 613 6.460033 24.47015 0 99 prev_dwi | 613 6.460033 24.47015 0 99 prev_spd | 613 6.80261 24.39648 0 99 prev_oth | 613 7.473083 24.25999 0 99 -------------+--------------------------------------------------------- last_mo | 613 8.931485 24.0991 0 99 first_mo | 613 8.676998 24.12922 0 99 dr_cf1 | 616 25.60714 21.0644 0 90 dr_cf2 | 616 21.05519 17.23667 0 86 dr_cf3 | 616 20.62662 22.01101 0 90 -------------+--------------------------------------------------------- dr_cf4 | 616 9.428571 20.27762 0 90 dr_wgt | 613 886.3132 285.3942 100 999 dr_hgt | 613 866.6933 325.5908 58 999 last_yr | 613 1431.3 2459.181 0 9999 first_yr | 613 1431.062 2459.125 0 9999 -------------+--------------------------------------------------------- dr_zip | 613 5951.746 21490.52 601 99999 month | 616 6.512987 3.423946 1 12 harm_ev | 616 15.11526 9.746946 1 49 man_coll | 616 1.787338 2.30134 0 8 hit_run | 616 .1055195 .4193321 0 2 -------------+--------------------------------------------------------- ve_forms | 616 1.762987 .9655834 1 6 by Jean Roth , jroth@nber.org , 18 Apr 2016