Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 53,777 27.36001 16.00281 1 56 ve_forms | 53,777 1.828905 1.048181 1 22 harm_ev | 53,777 15.22703 10.34995 1 99 man_coll | 53,777 1.715045 1.764363 0 9 hit_run | 53,777 .0622943 .3309315 0 3 -------------+--------------------------------------------------------- veh_no | 53,777 1.414452 .7494256 1 22 make | 53,777 29.28536 23.63732 1 99 model | 53,777 301.421 305.4702 1 999 body_typ | 53,777 20.56039 25.13976 1 99 mod_year | 53,777 85.70337 6.114088 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 reg_stat | 53,777 32.66069 23.8355 0 99 rollover | 53,777 .2766982 .6468795 0 2 j_knife | 53,777 .0611042 .2807022 0 3 trav_sp | 53,777 73.82171 30.5911 0 99 -------------+--------------------------------------------------------- haz_carg | 53,777 .0727634 .7778628 0 9 tow_veh | 53,777 .1275824 .7628164 0 9 spec_use | 53,777 .0642468 .698681 0 9 emer_use | 53,777 .0017851 .0422137 0 1 impact1 | 53,777 10.72282 13.21237 0 99 -------------+--------------------------------------------------------- impact2 | 53,777 10.82132 13.35777 0 99 deformed | 53,777 5.301616 1.563599 0 9 impacts | 53,777 1.191141 .6298017 0 9 towaway | 53,777 1.965785 .8903663 1 9 fire_exp | 53,777 .0274467 .1633825 0 1 -------------+--------------------------------------------------------- ocupants | 53,777 6.547204 21.02176 0 99 deaths | 53,777 .6243189 .6261721 0 9 veh_cf1 | 53,777 4.563066 19.00199 0 99 veh_cf2 | 53,777 3.593023 18.45295 0 99 veh_man | 53,777 5.380404 10.78219 1 99 -------------+--------------------------------------------------------- m_harm | 53,777 13.48476 10.20779 1 99 wgtcd_tr | 19,343 4.226128 3.486587 1 9 vin_lngt | 53,777 19.30188 16.29648 3 99 dr_pres | 53,777 1.016866 .1767347 1 9 dr_drink | 53,777 .2441936 .4296121 0 1 -------------+--------------------------------------------------------- l_state | 53,777 29.55185 19.75767 1 99 l_status | 53,777 5.550477 1.719407 0 9 l_compl | 53,777 3.004388 1.301312 0 9 l_restri | 53,777 1.005393 1.996736 0 9 viol_chg | 53,777 .9477844 2.377321 0 9 -------------+--------------------------------------------------------- prev_acc | 53,777 5.227569 21.70397 0 99 prev_sus | 53,777 4.462224 19.95408 0 99 prev_dwi | 53,777 4.257917 19.96451 0 99 prev_spd | 53,777 4.5462 19.91686 0 99 prev_oth | 53,777 4.434498 19.93559 0 99 -------------+--------------------------------------------------------- last_mo | 53,777 6.989456 19.78194 0 99 last_yr | 53,777 43.36157 46.19271 0 99 first_mo | 53,777 6.971326 19.784 0 99 first_yr | 53,777 43.09991 45.91838 0 99 dr_cf1 | 53,777 24.19655 25.44184 0 99 -------------+--------------------------------------------------------- dr_cf2 | 53,777 14.94022 24.41122 0 99 dr_cf3 | 53,777 6.903899 21.19513 0 99 st_case | 53,777 274317.7 159891 10001 560101 mak_mod | 53,777 29586.78 23805.82 1001 99999 vin_wgt | 36,271 4022.481 2686.983 1085 9999 -------------+--------------------------------------------------------- whlbs_sh | 36,281 2080.017 2868.697 798 9999 whlbs_lg | 36,281 1205.61 3192.352 0 9999 mcycl_ds | 6,409 6770.516 4392.975 49 9999 dr_zip | 53,777 52645.06 28427.22 0 99999 vin | 0 -------------+--------------------------------------------------------- ser_tr | 0 vina_mod | 0 vin_bt | 0 owner | 53,777 1.749726 1.471441 0 9 v_config | 53,777 .4223367 1.45928 0 9 -------------+--------------------------------------------------------- axles | 53,777 3.136806 16.58244 0 99 cargo_bt | 53,777 1.518363 10.98799 0 99 avoid | 53,777 3.77323 3.674659 0 8 cdl_stat | 53,777 1.011529 2.440419 0 9 l_endors | 53,777 .3969913 1.746472 0 9 by Jean Roth , jroth@nber.org , 18 Apr 2016