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 | 660 43 0 43 43 veh_no | 660 1.319697 .6559451 1 8 -------------+--------------------------------------------------------- ocupants | 660 1.354545 .8543705 0 9 make | 660 47.57576 26.66043 2 99 model | 660 352.2545 324.8992 1 999 body_typ | 660 29.24091 34.39476 2 99 reg_stat | 660 45.88485 12.38797 43 99 -------------+--------------------------------------------------------- owner | 660 2.121212 1.749183 1 9 rollover | 660 .1075758 .4326615 0 2 j_knife | 660 0 0 0 0 trav_sp | 660 96.9803 13.03624 0 99 haz_carg | 660 .4363636 1.934562 0 9 -------------+--------------------------------------------------------- tow_veh | 660 .45 1.962992 0 9 v_config | 660 5.877273 21.77088 0 99 axles | 660 9.413636 28.97029 0 99 cargo_bt | 660 9.468182 28.97512 0 99 spec_use | 660 .15 1.153046 0 9 -------------+--------------------------------------------------------- emer_use | 660 0 0 0 0 impact1 | 660 8.954545 4.207558 0 12 impact2 | 660 9.193939 4.202964 0 13 underide | 660 0 0 0 0 deformed | 660 3.927273 2.46939 0 9 -------------+--------------------------------------------------------- impacts | 660 1.228788 .5757532 0 3 towaway | 660 1.813636 .590873 1 9 fire_exp | 660 .0045455 .0673176 0 1 veh_cf1 | 660 2.012121 7.437132 0 31 veh_cf2 | 660 0 0 0 0 -------------+--------------------------------------------------------- veh_man | 660 2.654545 5.358928 1 99 avoid | 660 .0121212 .3113996 0 8 m_harm | 660 14.70152 11.01029 1 49 deaths | 660 .5242424 .5517418 0 3 seq1 | 660 15.3 10.47872 1 49 -------------+--------------------------------------------------------- seq2 | 660 2.980303 9.312705 0 43 seq3 | 660 .5530303 4.281297 0 43 seq4 | 660 .1530303 2.160321 0 43 seq5 | 660 .0833333 1.737045 0 43 seq6 | 660 .0181818 .4670994 0 12 -------------+--------------------------------------------------------- vin_lngt | 660 16.82121 1.07595 5 17 bus_use | 660 .1621212 1.172299 0 9 gvwr | 660 .5469697 1.987649 0 9 unittype | 660 1 0 1 1 st_case | 660 430240.6 140.1076 430001 430487 -------------+--------------------------------------------------------- mak_mod | 660 47928.01 26820.95 2404 99999 mod_year | 660 2518.252 1976.373 1969 9999 vina_mod | 0 ser_tr | 0 vin_bt | 0 -------------+--------------------------------------------------------- mcarr_id | 0 fldcd_tr | 0 whlbs_sh | 602 3241.111 3845.811 799 9999 whlbs_lg | 602 2559.437 4254.65 0 9999 mcycl_ds | 181 7157.707 4205.673 49 9999 -------------+--------------------------------------------------------- vin_wgt | 496 5199.411 3395.417 1760 9999 wgtcd_tr | 231 6.151515 3.579954 1 9 dr_pres | 660 1.10303 .4389841 1 3 dr_drink | 660 .1969697 .3980109 0 1 l_state | 658 45.68693 13.02284 9 99 -------------+--------------------------------------------------------- l_type | 658 1.537994 2.085519 0 9 l_status | 658 5.673252 1.809307 0 9 cdl_stat | 658 .4969605 2.043847 0 9 l_endors | 658 .4787234 2.021273 0 9 l_compl | 658 3.047112 1.631846 0 9 -------------+--------------------------------------------------------- l_restri | 658 .4787234 2.021273 0 9 violchg1 | 658 3.431611 4.938807 0 56 violchg2 | 658 18.21581 19.23694 0 61 violchg3 | 658 11.1155 20.96824 0 69 prev_acc | 658 5.265957 22.234 0 99 -------------+--------------------------------------------------------- prev_sus | 658 5.265957 22.234 0 99 prev_dwi | 658 5.272036 22.23311 0 99 prev_spd | 658 5.768997 22.14092 0 99 prev_oth | 658 6.469605 22.02399 0 99 last_mo | 658 8.085106 21.91103 0 99 -------------+--------------------------------------------------------- first_mo | 658 7.537994 21.94838 0 99 dr_cf1 | 660 25.12424 20.76722 0 90 dr_cf2 | 660 21.51364 17.65926 0 87 dr_cf3 | 660 20.78333 23.27822 0 90 dr_cf4 | 660 11.08333 22.02704 0 90 -------------+--------------------------------------------------------- dr_wgt | 658 914.845 250.4373 120 999 dr_hgt | 658 901.3587 285.496 60 999 last_yr | 658 1394.219 2260.77 0 9999 first_yr | 658 1393.906 2260.685 0 9999 dr_zip | 658 6638.027 23001.87 601 99999 -------------+--------------------------------------------------------- month | 660 6.627273 3.534849 1 12 harm_ev | 660 15.34545 10.50249 1 49 man_coll | 660 1.834848 2.41046 0 8 hit_run | 660 .1151515 .4462769 0 2 ve_forms | 660 1.639394 .9317985 1 8 by Jean Roth , jroth@nber.org , 18 Apr 2016