Summary statistics for vehicle dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 56,922 27.73195 15.92004 1 56 month | 56,922 6.775482 3.395532 1 12 ve_forms | 56,922 1.978427 2.071937 1 42 harm_ev | 56,922 15.27773 10.41467 1 99 man_coll | 56,922 1.785654 1.802632 0 9 -------------+--------------------------------------------------------- hit_run | 56,922 .0555848 .3136626 0 3 underide | 56,922 .0304452 .4300316 0 9 veh_no | 56,922 1.489213 1.293764 1 42 make | 56,922 29.44419 23.80804 1 99 model | 56,922 293.1005 305.573 1 999 -------------+--------------------------------------------------------- body_typ | 56,922 20.97544 24.14587 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 | 56,922 32.70131 23.36534 0 99 -------------+--------------------------------------------------------- rollover | 56,922 .297407 .6648984 0 2 j_knife | 56,922 .0689716 .2998925 0 3 trav_sp | 56,922 75.5311 30.34622 0 99 haz_carg | 56,922 .0468009 .618793 0 9 tow_veh | 56,922 .1011384 .5609454 0 9 -------------+--------------------------------------------------------- spec_use | 56,922 .030006 .4585515 0 9 emer_use | 56,922 .0017041 .0412458 0 1 impact1 | 56,922 11.17614 14.21975 0 99 impact2 | 56,922 11.34955 14.67531 0 99 deformed | 56,922 5.360511 1.506514 0 9 -------------+--------------------------------------------------------- impacts | 56,922 1.230912 .7066394 0 9 towaway | 56,922 1.996311 .9202033 1 9 fire_exp | 56,922 .0288114 .1672775 0 1 ocupants | 56,922 2.015091 5.964309 0 99 deaths | 56,922 .6215874 .6254809 0 8 -------------+--------------------------------------------------------- veh_cf1 | 56,922 4.33567 18.61649 0 99 veh_cf2 | 56,922 3.439496 18.08009 0 99 veh_man | 56,922 5.373037 10.32268 1 99 m_harm | 56,922 13.42762 10.27352 1 99 wgtcd_tr | 27,315 3.469046 3.243417 1 9 -------------+--------------------------------------------------------- vin_lngt | 56,922 16.65994 1.374656 4 17 dr_pres | 56,922 1.014458 .1686556 1 9 dr_drink | 56,922 .202189 .4016359 0 1 l_state | 56,662 29.30368 18.73352 1 99 l_status | 56,662 5.534626 1.669998 0 9 -------------+--------------------------------------------------------- l_compl | 56,662 2.948166 1.113879 0 9 l_restri | 56,662 1.005295 1.794672 0 9 violchg1 | 56,662 4.784635 18.25007 0 99 violchg2 | 56,662 2.67712 14.31667 0 99 violchg3 | 56,662 1.884385 12.74163 0 99 -------------+--------------------------------------------------------- prev_acc | 56,662 4.716371 20.60627 0 99 prev_sus | 56,662 3.283276 17.06019 0 99 prev_dwi | 56,662 3.076736 17.07019 0 99 prev_spd | 56,662 3.342893 17.03689 0 99 prev_oth | 56,662 3.2801 17.04558 0 99 -------------+--------------------------------------------------------- last_mo | 56,662 5.739455 17.04604 0 99 first_mo | 56,662 5.723677 17.04694 0 99 dr_wgt | 56,662 388.172 366.0608 55 999 dr_hgt | 56,662 116.2504 205.5034 49 999 dr_cf1 | 56,922 23.45483 25.04832 0 99 -------------+--------------------------------------------------------- dr_cf2 | 56,922 14.66456 24.18678 0 99 dr_cf3 | 56,922 6.491954 20.11403 0 99 dr_cf4 | 56,922 2.241541 13.42152 0 99 st_case | 56,922 278026.6 159141.7 10001 560129 mak_mod | 56,922 29737.29 23969.6 1001 99999 -------------+--------------------------------------------------------- vin_wgt | 33,297 3727.573 2685.391 94 9999 whlbs_sh | 54,754 2174.416 2893.904 90 9999 whlbs_lg | 54,754 1492.137 3204.675 0 9999 mcycl_ds | 6,056 6772.372 4364.082 49 9999 dr_zip | 56,662 52389.25 27515.34 0 99999 -------------+--------------------------------------------------------- first_yr | 56,662 1134.689 1853.754 0 9999 mod_year | 56,922 2120.143 1011.545 1926 9999 last_yr | 56,662 1134.937 1853.869 0 9999 vin | 0 ser_tr | 0 -------------+--------------------------------------------------------- vina_mod | 0 vin_bt | 0 mcarr_id | 0 owner | 56,922 1.7076 1.397313 0 9 v_config | 56,922 .485893 1.633584 0 9 -------------+--------------------------------------------------------- axles | 56,922 1.871315 12.20169 0 99 cargo_bt | 56,922 2.131935 13.63889 0 99 avoid | 56,922 4.173044 3.62421 0 8 cdl_stat | 56,662 .9748332 2.347234 0 9 l_endors | 56,662 .2995305 1.472421 0 9 by Jean Roth , jroth@nber.org , 18 Apr 2016