Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 716 43 0 43 43 month | 716 6.831006 3.519487 1 12 ve_forms | 716 1.622905 .7330217 1 4 harm_ev | 716 14.61453 9.855147 1 43 man_coll | 716 1.458101 1.818223 0 6 -------------+--------------------------------------------------------- hit_run | 716 .1145251 .4619947 0 3 underide | 716 .4399441 1.941961 0 9 veh_no | 716 1.311453 .5616485 1 4 make | 716 40.22346 23.60687 1 99 model | 716 264.6872 313.0555 1 999 -------------+--------------------------------------------------------- body_typ | 716 18.50838 28.81678 1 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 vin_11 | 0 vin_12 | 0 fldcd_tr | 0 reg_stat | 716 46.1243 12.85334 43 99 -------------+--------------------------------------------------------- rollover | 716 .1201117 .4666056 0 2 j_knife | 716 0 0 0 0 trav_sp | 716 91.88268 20.78784 0 99 haz_carg | 716 .4916201 2.043906 0 9 tow_veh | 716 .4776536 2.019015 0 9 -------------+--------------------------------------------------------- spec_use | 716 .4874302 2.033594 0 9 emer_use | 716 0 0 0 0 impact1 | 716 9.400838 4.055206 0 13 impact2 | 716 9.586592 4.009365 0 13 deformed | 716 3.522346 2.556397 0 6 -------------+--------------------------------------------------------- impacts | 716 1.175978 .5312958 0 3 towaway | 716 1.719274 .5579358 1 3 fire_exp | 716 0 0 0 0 ocupants | 716 1.448324 .8952774 0 6 deaths | 716 .4748603 .5848286 0 4 -------------+--------------------------------------------------------- veh_cf1 | 716 1.793296 7.142643 0 31 veh_cf2 | 716 0 0 0 0 veh_man | 716 2.608939 4.043211 1 17 m_harm | 716 13.46648 9.805535 1 43 wgtcd_tr | 282 4.475177 3.776838 1 9 -------------+--------------------------------------------------------- vin_lngt | 716 16.31983 1.940283 5 17 dr_pres | 716 1.113128 .4577791 1 3 dr_drink | 162 1 0 1 1 l_state | 713 45.8345 13.3202 6 99 l_status | 713 5.395512 2.233072 0 9 -------------+--------------------------------------------------------- l_compl | 713 2.935484 1.827164 0 9 l_restri | 713 .542777 2.144023 0 9 violchg1 | 713 4.075736 6.702958 0 49 violchg2 | 713 22.18794 19.47466 0 69 violchg3 | 713 12.07854 21.78759 0 69 -------------+--------------------------------------------------------- prev_acc | 713 5.8331 23.32547 0 99 prev_sus | 713 5.841515 23.32408 0 99 prev_dwi | 713 5.8331 23.32547 0 99 prev_spd | 713 5.890603 23.31259 0 99 prev_oth | 713 6.476858 23.19585 0 99 -------------+--------------------------------------------------------- last_mo | 713 7.985975 23.07066 0 99 first_mo | 713 7.72791 23.09851 0 99 dr_wgt | 713 788.6227 362.5592 100 999 dr_hgt | 184 67.19565 3.248334 58 81 dr_cf1 | 716 28.72346 20.92949 0 87 -------------+--------------------------------------------------------- dr_cf2 | 716 23.19972 17.85123 0 90 dr_cf3 | 716 21.62011 24.60652 0 90 dr_cf4 | 716 7.488827 16.49636 0 90 st_case | 716 430264.7 151.9706 430001 430524 mak_mod | 716 40488.15 23741.07 1008 99999 -------------+--------------------------------------------------------- vin_wgt | 519 4273.241 3379.796 82 9999 whlbs_sh | 680 2650.175 3457.421 799 9999 whlbs_lg | 680 1959.688 3810.676 0 9999 mcycl_ds | 125 8369.12 3543.992 49 9999 dr_zip | 713 6813.363 23324.29 601 99999 -------------+--------------------------------------------------------- first_yr | 713 1224.307 2380.374 0 9999 mod_year | 716 2436.419 1840.912 1962 9999 last_yr | 713 1224.414 2380.409 0 9999 vin | 0 ser_tr | 0 -------------+--------------------------------------------------------- vina_mod | 0 vin_bt | 0 mcarr_id | 0 owner | 716 2.132682 1.813853 1 9 v_config | 716 .896648 2.561783 0 9 -------------+--------------------------------------------------------- axles | 716 9.941341 29.67035 0 99 cargo_bt | 716 10.5014 30.35669 0 99 avoid | 716 0 0 0 0 cdl_stat | 713 .6143058 2.214905 0 9 l_endors | 713 .57223 2.139296 0 9 by Jean Roth , jroth@nber.org , 18 Apr 2016