Summary statistics for accident dataset : by Jean Roth , jroth@nber.org , 18 Apr 2016 Variable | Obs Mean Std. Dev. Min Max -------------+--------------------------------------------------------- state | 35,780 27.43379 16.02808 1 56 county | 35,780 87.25103 92.28725 0 999 month | 35,780 6.81213 3.336027 1 12 day | 35,780 15.64511 8.901449 1 99 year | 35,780 93 0 93 93 -------------+--------------------------------------------------------- hour | 35,780 13.29145 10.25834 0 99 minute | 35,780 27.91856 18.4985 0 99 ve_forms | 35,780 1.50299 .6998996 1 22 persons | 35,780 2.727473 1.890277 1 52 fed_aid | 35,780 3.84441 2.34996 1 9 -------------+--------------------------------------------------------- road_fnc | 35,780 8.529458 9.076999 1 99 route | 35,780 3.569173 1.763924 1 9 sp_jur | 35,780 .0326439 .3677165 0 9 harm_ev | 35,780 16.72566 12.23102 1 99 man_coll | 35,780 1.192538 1.667543 0 9 -------------+--------------------------------------------------------- rel_junc | 35,780 1.836277 3.951822 1 99 rel_road | 35,780 2.369676 1.91456 1 9 traf_flo | 35,780 1.522079 1.114275 1 9 no_lanes | 35,780 2.487507 1.214051 1 9 sp_limit | 35,780 48.15341 13.04956 0 99 -------------+--------------------------------------------------------- alignmnt | 35,780 1.265791 .5783175 1 9 profile | 35,780 1.460732 1.168924 1 9 pave_typ | 35,780 2.115819 1.208151 1 9 sur_cond | 35,780 1.276076 .7935872 1 9 tra_cont | 35,780 4.851202 12.55792 0 99 -------------+--------------------------------------------------------- t_cont_f | 35,780 .686976 1.300189 0 9 hit_run | 35,780 .0739519 .36978 0 3 lgt_cond | 35,780 1.80967 .9989213 1 9 weather | 35,780 1.253018 .8780472 1 9 c_m_zone | 35,780 .0247345 .2153394 0 4 -------------+--------------------------------------------------------- not_hour | 35,780 39.54941 41.0942 0 99 not_min | 35,780 50.17515 36.66161 0 99 arr_hour | 35,780 35.99198 39.54612 0 99 arr_min | 35,780 48.73988 36.03645 0 99 hosp_hr | 35,780 49.92468 45.74967 0 99 -------------+--------------------------------------------------------- hosp_mn | 35,780 55.25984 42.90517 0 99 sch_bus | 35,780 .0036613 .0603983 0 1 cf1 | 35,780 .4487982 4.597726 0 99 cf2 | 35,780 .1828675 4.13801 0 99 cf3 | 35,780 .1724986 4.119512 0 99 -------------+--------------------------------------------------------- fatals | 35,780 1.122135 .4237383 1 9 day_week | 35,780 4.192566 2.118167 1 9 drunk_dr | 35,780 .3670207 .5159976 0 6 st_case | 35,780 275053.5 160142.2 10001 560101 milept | 35,779 10527.02 30283.5 0 99999 -------------+--------------------------------------------------------- city | 35,780 995.4824 1801.783 0 9999 tway_id | 0 rail | 0 peds | 35,780 .2079094 .5103901 0 19 by Jean Roth , jroth@nber.org , 18 Apr 2016