Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 774 43 0 43 43 ve_forms | 774 1.622739 .7845861 1 5 harm_ev | 774 13.69767 9.332804 1 43 man_coll | 774 .9883721 1.25366 0 4 hit_run | 774 .1912145 .5706267 0 2 -------------+--------------------------------------------------------- veh_no | 774 1.31137 .5843584 1 5 make | 774 37.31395 24.73405 1 99 model | 774 84.70155 29.83898 0 99 body_typ | 774 18.98191 30.24458 1 99 mod_year | 774 81.20413 7.361814 57 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 | 774 43.46382 5.378132 13 99 rollover | 774 .120155 .4431826 0 2 j_knife | 774 .0116279 .1072733 0 1 trav_sp | 774 98.65116 5.014573 1 99 -------------+--------------------------------------------------------- haz_carg | 774 .5594315 2.172022 0 9 tow_veh | 774 .5594315 2.150473 0 9 spec_use | 774 .5710594 2.184146 0 9 emer_use | 774 .002584 .0508 0 1 impact1 | 774 13.84109 20.85202 0 99 -------------+--------------------------------------------------------- impact2 | 774 13.84625 20.84988 0 99 deformed | 774 4.031008 2.470854 0 9 impacts | 774 .9806202 .3500311 0 9 towaway | 774 1.612403 .4875168 1 2 fire_exp | 774 .0064599 .0801656 0 1 -------------+--------------------------------------------------------- ocupants | 774 1.77907 5.06966 0 99 deaths | 774 .4547804 .582093 0 3 veh_cf1 | 774 2.949612 8.963274 0 31 veh_cf2 | 774 0 0 0 0 veh_man | 774 1.994832 4.611137 1 98 -------------+--------------------------------------------------------- m_harm | 774 13.19767 9.523767 1 43 wgtcd_tr | 372 7.564516 2.976753 1 9 vin_lngt | 774 37.46253 37.66054 5 99 dr_pres | 774 1.003876 .0803322 1 3 dr_drink | 774 .2596899 .438748 0 1 -------------+--------------------------------------------------------- l_state | 774 43.43798 6.05735 8 99 l_status | 774 4.928941 2.280774 0 9 l_compl | 774 3.073643 2.079532 0 9 l_restri | 774 .9276486 2.5038 0 9 viol_chg | 774 2.782946 2.535016 0 9 -------------+--------------------------------------------------------- prev_acc | 774 8.569767 27.85621 0 99 prev_sus | 774 8.591731 27.8502 0 99 prev_dwi | 774 8.576227 27.85434 0 99 prev_spd | 774 8.571059 27.85584 0 99 prev_oth | 774 9.166667 27.69613 0 99 -------------+--------------------------------------------------------- last_mo | 774 10.54134 27.47484 0 99 last_yr | 774 35.28682 43.57065 0 99 first_mo | 774 10.5168 27.47336 0 99 first_yr | 774 35.11499 43.37142 0 99 dr_cf1 | 774 29.34625 19.90427 0 99 -------------+--------------------------------------------------------- dr_cf2 | 774 15.92636 29.96649 0 99 dr_cf3 | 774 4.630491 19.5742 0 99 st_case | 774 430291.5 169.601 430001 430593 mak_mod | 774 3816.097 2458.258 101 9999 vin_wgt | 680 6435.997 3780.65 0 9999 -------------+--------------------------------------------------------- whlbs_sh | 680 5337.924 4503.134 799 9999 whlbs_lg | 680 4870.84 4958.926 0 9999 mcycl_ds | 316 9439.209 2218.584 50 9999 dr_zip | 774 1644.506 10060.75 0 99999 vin | 0 -------------+--------------------------------------------------------- ser_tr | 0 vina_mod | 0 vin_bt | 0 by Jean Roth , jroth@nber.org , 18 Apr 2016