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 | 544 43 0 43 43 veh_no | 544 1.369485 .6574876 1 5 -------------+--------------------------------------------------------- ocupants | 544 1.362132 1.184352 0 19 make | 544 48.1489 25.82313 2 99 model | 544 345.4136 324.434 1 999 body_typ | 544 28.32169 34.34825 1 99 reg_stat | 544 45.61949 12.04383 12 99 -------------+--------------------------------------------------------- owner | 544 2.058824 1.690684 1 9 rollover | 544 .0882353 .4020315 0 2 j_knife | 544 0 0 0 0 trav_sp | 544 94.61213 19.19845 0 99 haz_inv | 544 1.001838 .0428746 1 2 -------------+--------------------------------------------------------- haz_plac | 544 .0147059 .3429972 0 8 haz_cno | 544 .1617647 3.772969 0 88 haz_rel | 544 .0147059 .3429972 0 8 tow_veh | 544 .4136029 1.886239 0 9 v_config | 544 5.566176 20.96738 0 99 -------------+--------------------------------------------------------- cargo_bt | 544 9.632353 29.22903 0 99 spec_use | 544 .1819853 1.267953 0 9 emer_use | 544 0 0 0 0 impact1 | 544 9.141544 4.081603 0 12 impact2 | 544 9.288603 4.097272 0 13 -------------+--------------------------------------------------------- underide | 544 0 0 0 0 deformed | 544 3.669118 2.503935 0 6 impacts | 544 1.286765 .5872568 0 3 towaway | 544 1.755515 .5368269 1 3 fire_exp | 544 .0110294 .1045364 0 1 -------------+--------------------------------------------------------- veh_cf1 | 544 1.783088 7.149599 0 31 veh_cf2 | 544 0 0 0 0 veh_man | 544 2.501838 5.514421 1 98 avoid | 544 0 0 0 0 m_harm | 544 14.19485 10.22683 1 43 -------------+--------------------------------------------------------- deaths | 544 .4852941 .5723564 0 3 seq1 | 544 14.4614 9.374075 1 43 seq2 | 544 3.75 10.36764 0 43 seq3 | 544 1.113971 6.08033 0 43 seq4 | 544 .1011029 1.872275 0 42 -------------+--------------------------------------------------------- seq5 | 544 .0018382 .0428746 0 1 seq6 | 544 0 0 0 0 vin_lngt | 544 16.95404 .514703 8 17 bus_use | 544 .1911765 1.284643 0 9 gvwr | 544 .5202206 1.916189 0 9 -------------+--------------------------------------------------------- unittype | 544 1 0 1 1 mcarr_i1 | 544 9.827206 29.62994 0 99 st_case | 544 430194.9 110.1702 430001 430385 haz_id | 544 16.33824 381.0699 0 8888 mak_mod | 544 48494.31 25979.96 2402 99999 -------------+--------------------------------------------------------- mod_year | 544 2498.704 1938.361 1973 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 mcarr_i2 | 0 -------------+--------------------------------------------------------- fldcd_tr | 0 mcarr_id | 0 whlbs_sh | 500 2584.766 3413.88 0 9999 whlbs_lg | 500 1853.436 3770.478 0 9999 mcycl_ds | 130 7035.354 4235.275 599 9999 -------------+--------------------------------------------------------- vin_wgt | 414 4105.203 3195.058 0 9999 wgtcd_tr | 173 6.046243 3.561446 1 9 dr_pres | 544 1.101103 .4364585 1 3 dr_drink | 544 .2536765 .4355151 0 1 l_state | 543 45.56354 12.8281 12 99 -------------+--------------------------------------------------------- l_type | 543 1.569061 2.212494 0 9 l_status | 543 5.563536 2.051711 0 9 cdl_stat | 543 .6187845 2.264799 0 9 l_endors | 543 .5966851 2.241291 0 9 l_compl | 543 3.05709 1.833086 0 9 -------------+--------------------------------------------------------- l_restri | 543 .5966851 2.241291 0 9 violchg1 | 543 3.27256 4.620998 0 52 violchg2 | 543 18.86372 20.28459 0 69 violchg3 | 543 8.861878 19.67094 0 84 prev_acc | 543 6.563536 24.6542 0 99 -------------+--------------------------------------------------------- prev_sus | 543 6.563536 24.6542 0 99 prev_dwi | 543 6.563536 24.6542 0 99 prev_spd | 543 6.928177 24.57642 0 99 prev_oth | 543 7.54512 24.44712 0 99 last_mo | 543 8.955801 24.29458 0 99 -------------+--------------------------------------------------------- first_mo | 543 8.841621 24.31278 0 99 dr_cf1 | 544 24.09559 20.96006 0 86 dr_cf2 | 544 20.94669 18.12924 0 90 dr_cf3 | 544 20.24265 24.38903 0 90 dr_cf4 | 544 6.974265 16.78274 0 90 -------------+--------------------------------------------------------- dr_wgt | 543 905.4438 263.4003 100 999 dr_hgt | 543 890.8785 298.7211 60 999 last_yr | 543 1431.696 2476.48 0 9999 first_yr | 543 1431.494 2476.433 0 9999 dr_zip | 543 6239.195 22102.69 601 99999 -------------+--------------------------------------------------------- month | 544 6.854779 3.472472 1 12 harm_ev | 544 14.59743 9.435917 1 43 man_coll | 544 1.766544 2.341613 0 9 hit_run | 544 .1102941 .4488216 0 2 ve_forms | 544 1.738971 .888782 1 5 by Jean Roth , jroth@nber.org , 18 Apr 2016