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 | 727 43 0 43 43 veh_no | 727 1.317744 .5373144 1 4 -------------+--------------------------------------------------------- ocupants | 727 1.529574 1.352028 0 27 make | 727 44.10729 23.34994 2 99 model | 727 274.9395 330.9933 1 999 body_typ | 727 21.66575 31.45979 1 99 reg_stat | 727 46.03026 12.86363 6 99 -------------+--------------------------------------------------------- owner | 727 2.188446 1.807995 1 9 rollover | 727 .088033 .3898963 0 2 j_knife | 727 0 0 0 0 trav_sp | 727 94.91609 16.38332 0 99 haz_carg | 727 .4828061 2.02924 0 9 -------------+--------------------------------------------------------- tow_veh | 727 .4828061 2.02924 0 9 v_config | 727 .9284732 2.559022 0 9 axles | 727 11.00413 30.999 0 99 cargo_bt | 727 11.02338 30.98726 0 99 spec_use | 727 .4828061 2.02924 0 9 -------------+--------------------------------------------------------- emer_use | 727 0 0 0 0 impact1 | 727 9.295736 4.095186 0 12 impact2 | 727 9.321871 4.119543 0 13 underide | 727 .0123796 .3337915 0 9 deformed | 727 3.632737 2.538665 0 9 -------------+--------------------------------------------------------- impacts | 727 1.176066 .5241595 0 3 towaway | 727 1.730399 .5494277 1 3 fire_exp | 727 .0123796 .1106491 0 1 veh_cf1 | 727 1.873453 7.15957 0 31 veh_cf2 | 727 0 0 0 0 -------------+--------------------------------------------------------- veh_man | 727 3.020633 8.131045 1 99 avoid | 727 .0660248 .7242654 0 8 m_harm | 727 13.38514 9.369824 1 43 deaths | 727 .5130674 .6116701 0 4 vin_lngt | 727 16.55433 1.666227 6 17 -------------+--------------------------------------------------------- bus_use | 727 .4993122 2.041494 0 9 gvwr | 727 .6519945 2.115454 0 9 st_case | 727 430258.2 149.76 430001 430521 mak_mod | 727 44382.23 23500.94 2401 99999 mod_year | 727 2486.934 1930.966 1967 9999 -------------+--------------------------------------------------------- vina_mod | 0 ser_tr | 0 vin_bt | 0 mcarr_id | 0 fldcd_tr | 0 -------------+--------------------------------------------------------- whlbs_sh | 687 2676.397 3474.883 799 9999 whlbs_lg | 687 1963.016 3839.481 0 9999 mcycl_ds | 129 7591.891 4041.677 250 9999 vin_wgt | 609 4627.278 3520.214 280 9999 wgtcd_tr | 208 5.850962 3.58902 1 9 -------------+--------------------------------------------------------- dr_pres | 727 1.111417 .4514672 1 3 dr_drink | 727 .2324622 .4226929 0 1 l_state | 722 45.75069 13.04931 6 99 l_status | 722 5.765928 1.785844 0 9 cdl_stat | 722 .6024931 2.189027 0 9 -------------+--------------------------------------------------------- l_endors | 722 .5277008 2.109994 0 9 l_compl | 722 3.088643 1.670635 0 9 l_restri | 722 .5249307 2.108056 0 9 violchg1 | 722 4.247922 6.92406 0 49 violchg2 | 722 20.47645 19.10813 0 98 -------------+--------------------------------------------------------- violchg3 | 722 14.89612 22.97328 0 69 prev_acc | 722 5.761773 23.18822 0 99 prev_sus | 722 5.765928 23.18781 0 99 prev_dwi | 722 5.760388 23.18847 0 99 prev_spd | 722 5.893352 23.16182 0 99 -------------+--------------------------------------------------------- prev_oth | 722 6.944598 22.95602 0 99 last_mo | 722 8.544321 22.8022 0 99 first_mo | 722 8.396122 22.81703 0 99 dr_cf1 | 727 26.13343 19.86872 0 86 dr_cf2 | 727 23.04814 18.32735 0 87 -------------+--------------------------------------------------------- dr_cf3 | 727 21.54746 23.61649 0 90 dr_cf4 | 727 10.09766 19.67638 0 90 dr_wgt | 722 868.669 303.0123 115 999 dr_hgt | 722 849.2645 342.4805 60 999 last_yr | 722 1467.438 2332.474 0 9999 -------------+--------------------------------------------------------- first_yr | 722 1467.087 2332.394 0 9999 dr_zip | 722 6300.85 22467.79 602 99999 month | 727 6.515818 3.588236 1 12 ve_forms | 727 1.635488 .6684594 1 4 harm_ev | 727 14.01513 9.258072 1 43 -------------+--------------------------------------------------------- man_coll | 727 1.5337 1.773281 0 6 hit_run | 727 .1072902 .4447913 0 3 by Jean Roth , jroth@nber.org , 18 Apr 2016