Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 54,795 27.1862 16.08705 1 56 ve_forms | 54,795 1.833434 1.306141 1 30 harm_ev | 54,795 15.371 10.56472 1 99 man_coll | 54,795 1.665827 1.765012 0 9 hit_run | 54,795 .0709189 .3524977 0 3 -------------+--------------------------------------------------------- veh_no | 54,795 1.416717 .8749065 1 30 make | 54,795 29.29118 23.54572 1 99 model | 54,795 301.4675 309.5253 1 999 body_typ | 54,795 20.84301 25.68293 1 99 mod_year | 54,795 84.08504 6.051557 26 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 | 54,795 31.6269 22.70531 0 99 rollover | 54,795 .2898257 .6571181 0 2 j_knife | 54,795 .058947 .2752589 0 3 trav_sp | 54,795 74.47072 30.3188 0 99 -------------+--------------------------------------------------------- haz_carg | 54,795 .0992426 .9157518 0 9 tow_veh | 54,795 .1398485 .8384418 0 9 spec_use | 54,795 .0796606 .7831128 0 9 emer_use | 54,795 .0021717 .0465516 0 1 impact1 | 54,795 10.82071 13.94937 0 99 -------------+--------------------------------------------------------- impact2 | 54,795 10.89776 14.0878 0 99 deformed | 54,795 5.314408 1.662346 0 9 impacts | 54,795 1.187116 .6316601 0 9 towaway | 54,795 1.980235 .9691711 1 9 fire_exp | 54,795 .0290537 .1679587 0 1 -------------+--------------------------------------------------------- ocupants | 54,795 3.524756 13.21291 0 99 deaths | 54,795 .6339995 .6299583 0 8 veh_cf1 | 54,795 4.104535 17.6207 0 99 veh_cf2 | 54,795 3.004179 16.91463 0 99 veh_man | 54,795 5.369213 10.4329 1 99 -------------+--------------------------------------------------------- m_harm | 54,795 13.49092 10.34977 1 99 wgtcd_tr | 19,554 4.064539 3.470389 1 9 vin_lngt | 54,795 19.36916 17.35422 0 99 dr_pres | 54,795 1.017702 .1836884 1 9 dr_drink | 54,795 .2743133 .4461717 0 1 -------------+--------------------------------------------------------- l_state | 54,795 29.43557 20.11661 1 99 l_status | 54,795 4.919171 1.648298 0 9 l_compl | 54,795 3.018013 1.324859 0 9 l_restri | 54,795 .9749247 2.035302 0 9 viol_chg | 54,795 .9548681 2.385661 0 9 -------------+--------------------------------------------------------- prev_acc | 54,795 5.28457 21.79476 0 99 prev_sus | 54,795 4.618542 20.2825 0 99 prev_dwi | 54,795 4.418104 20.30649 0 99 prev_spd | 54,795 4.745853 20.24312 0 99 prev_oth | 54,795 4.626243 20.26376 0 99 -------------+--------------------------------------------------------- last_mo | 54,795 7.327402 20.0726 0 99 last_yr | 54,795 45.44294 45.40194 0 99 first_mo | 54,795 7.316379 20.07626 0 99 first_yr | 54,795 45.14556 45.11117 0 99 dr_cf1 | 54,795 25.20973 25.98865 0 99 -------------+--------------------------------------------------------- dr_cf2 | 54,795 15.78235 24.6571 0 99 dr_cf3 | 54,795 7.292399 21.53824 0 99 st_case | 54,795 272629 160682.8 10001 560107 mak_mod | 54,795 29592.64 23718.99 1001 99999 vin_wgt | 36,649 3937.979 2623.625 1444 9999 -------------+--------------------------------------------------------- whlbs_sh | 36,664 2045.696 2827.481 800 9999 whlbs_lg | 36,664 1179.741 3144.24 0 9999 mcycl_ds | 6,633 6401.23 4504.559 49 9999 dr_zip | 54,795 53059.56 28901.39 0 99999 vin | 0 -------------+--------------------------------------------------------- ser_tr | 0 vina_mod | 0 vin_bt | 0 owner | 54,795 1.743936 1.442832 0 9 v_config | 54,795 .4133041 1.476729 0 9 -------------+--------------------------------------------------------- axles | 54,795 3.784378 18.41896 0 99 cargo_bt | 54,795 1.818633 12.3627 0 99 avoid | 54,795 4.009326 3.688718 0 8 cdl_stat | 54,795 .5144447 1.822894 0 9 l_endors | 54,795 .3930833 1.775941 0 9 by Jean Roth , jroth@nber.org , 18 Apr 2016